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2009-05-13 Jonathan Wakely <jwakely.gcc@gmail.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
2
3         PR target/39942
4         * final.c (label_to_max_skip): New function.
5         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
6         CODE_LABEL_NUMBER <= max_labelno.
7         * output.h (label_to_max_skip): New prototype.
8         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
9         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
10         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
11         Handle CODE_LABELs with >= 16 byte alignment or with
12         max_skip == (1 << align) - 1.
13         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
14         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
15
16         PR target/39942
17         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
18         .p2align 3 if MAX_SKIP is smaller than 7.
19         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
20
21 2009-05-15  Ian Lance Taylor  <iant@google.com>
22
23         * alias.c (struct alias_set_entry_d): Rename from struct
24         alias_set_entry.  Change all uses.
25         * except.c (struct call_site_record_d): Rename from struct
26         call_site_record.  Change all uses.
27         * except.h (struct eh_region_d): Rename from struct eh_region.
28         Change all uses.
29         * gcse.c (struct hash_table_d): Rename from struct hash_table.
30         Change all uses.
31         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
32         ivtype_map_elt.  Change all uses.
33         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
34         Change all uses.
35         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
36         * graphite.h (struct name_tree_d): Rename from struct name_tree.
37         Change all uses.
38         (struct sese_d): Rename from struct sese.  Change all uses.
39         * omega.h (struct eqn_d): Rename from struct eqn.  Change all
40         uses.
41         (struct omega_pb_d): Rename from struct omega_pb.  Change all
42         uses.
43         * optabs.h (struct optab_d): Rename from struct optab.  Change all
44         uses.
45         (struct convert_optab_d): Rename from struct convert_optab.
46         Change all uses.
47         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
48         ipa_opt_pass.  Change all uses.
49         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
50         all uses.
51
52         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
53         defined as a typedef.
54         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
55         defined as a tag.
56
57 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
58
59         PR 16302
60         * fold-const.c (make_range,build_range_check,merge_ranges): Move
61         declaration to...
62         (merge_ranges): Returns bool. 
63         * tree.h (make_range): .. to here.
64         (build_range_check): Likewise.
65         (merge_ranges): Likewise. Renamed from merge_ranges.
66         * c-typeck.c (parser_build_binary_op): Update calls to
67         warn_logical_operator.
68         * c-common.c (warn_logical_operator): Add new warning.
69         * c-common.h (warn_logical_operator): Update declaration.
70         
71 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
72
73         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong
74         conditional.
75         
76 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
77
78         * doc/install.texi: Document MPC requirements, flags etc.
79
80         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
81         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
82         Evaluate constant arguments.
83         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
84         (fold_builtin_1): Likewise, also evaluate constant arguments.
85         Remove superfluous break.
86         (do_mpc_ckconv): New.
87         * real.h: Include mpc.h.
88         * toplev.c (print_version): Output MPC version info if available.
89
90 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
91
92         * fold-const.c (fold_convert_const_real_from_real): Check for
93         overflow.
94
95 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
96
97         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
98         only once.
99
100 2009-05-15  Jan Hubicka  <jh@suse.cz>
101
102         * doc/invoke.texi (max-early-inliner-iterations): New flag.
103         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
104         (try_inline): Fix return value.
105         (cgraph_decide_inlining_incrementally): Honor new value.
106         (cgraph_early_inlining): Handle indirect inlining.
107         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
108
109 2009-05-15  Jan Hubicka  <jh@suse.cz>
110
111         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
112         * cgraphunit.c (cgraph_finalize_function): Set it.
113         (cgraph_expand_function): Use it.
114
115 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
116
117         * real.c (encode_ieee_half): Define.
118         (decode_ieee_half): Define.
119         (ieee_half_format): Define.
120         (arm_half_format): Define.
121         * real.h (ieee_half_format): Declare.
122         (arm_half_format): Declare.
123
124 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
125
126         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
127         swapped, and reversed optabs exist before trying to use them.
128
129 2009-05-15  Paul Brook  <paul@codesourcery.com>
130             Sandra Loosemore  <sandra@codesourcery.com>
131
132         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
133         loads.  Allow PRE_DEC.
134         (output_move_neon): Handle PRE_DEC.
135         (arm_print_operand): Add 'A' for neon structure loads.
136         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
137         * config/arm/neon.md (neon_mov): Update comment.
138         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
139         calls.
140         (Um): New constraint.
141
142 2009-05-15  Jan Hubicka  <jh@suse.cz>
143
144         Revert the following patch until testsuite fallout is fixed:
145         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
146         * cgraph.h (struct inline_summary): New filed self_wize,
147         size_inlining_benefit, self_time and time_inlining_benefit.
148         (struct cgraph_global_info): Replace insns by time ans size fields.
149         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
150         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
151         (ipcp_update_callgraph): Do not touch function bodies.
152         * ipa-inline.c: Include except.h
153         MAX_TIME: New constant.
154         (overall_insns): Remove
155         (overall_size, max_benefit): New static variables.
156         (cgraph_estimate_time_after_inlining): New function.
157         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
158         (cgraph_clone_inlined_nodes): Update size.
159         (cgraph_mark_inline_edge): Update size.
160         (cgraph_estimate_growth): Use size info.
161         (cgraph_check_inline_limits): Check size.
162         (cgraph_default_inline_p): Likewise.
163         (cgraph_edge_badness): Compute badness based on benefit and size cost.
164         (cgraph_decide_recursive_inlining): Check size.
165         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
166         (cgraph_decide_inlining): Likewise.
167         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
168         (likely_eliminated_by_inlining_p): New predicate.
169         (estimate_function_body_sizes): New function.
170         (compute_inline_parameters): Use it.
171         * except.c (must_not_throw_labels): New function.
172         * except.h (must_not_throw_labels): Declare.
173         * tree-inline.c (init_inline_once): Kill inlining_weigths
174         * tree-ssa-structalias.c: Avoid uninitialized warning.
175         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
176         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
177         (PARAM_INLINE_CALL_COST): Remove.
178         (PARAM_EARLY_INLINING_INSNS): New.
179
180 2009-05-15  Richard Guenther  <rguenther@suse.de>
181
182         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
183         not TODO_update_ssa.
184
185 2009-05-15  Richard Guenther  <rguenther@suse.de>
186
187         PR tree-optimization/39999
188         * gimple.h (gimple_expr_type): Use the expression type looking
189         through useless conversions.
190         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
191         (vn_nary_op_insert_stmt): Likewise.
192         (simplify_binary_expression): Likewise.
193
194 2009-05-15  Richard Guenther  <rguenther@suse.de>
195
196         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
197         New options, enabled by default.
198         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
199         Document.
200         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
201         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
202         * tree-ssa-structalias.c (gate_tree_pta): New function.
203         (pass_build_alias): Use it.
204
205 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
206
207         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
208         recurse on an invariant address if a conversion from a pointer
209         type to a wider integer type is involved.
210
211 2009-05-15  Jan Hubicka  <jh@suse.cz>
212
213         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
214         * cgraph.h (struct inline_summary): New filed self_wize,
215         size_inlining_benefit, self_time and time_inlining_benefit.
216         (struct cgraph_global_info): Replace insns by time ans size fields.
217         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
218         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
219         (ipcp_update_callgraph): Do not touch function bodies.
220         * ipa-inline.c: Include except.h
221         MAX_TIME: New constant.
222         (overall_insns): Remove
223         (overall_size, max_benefit): New static variables.
224         (cgraph_estimate_time_after_inlining): New function.
225         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
226         (cgraph_clone_inlined_nodes): Update size.
227         (cgraph_mark_inline_edge): Update size.
228         (cgraph_estimate_growth): Use size info.
229         (cgraph_check_inline_limits): Check size.
230         (cgraph_default_inline_p): Likewise.
231         (cgraph_edge_badness): Compute badness based on benefit and size cost.
232         (cgraph_decide_recursive_inlining): Check size.
233         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
234         (cgraph_decide_inlining): Likewise.
235         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
236         (likely_eliminated_by_inlining_p): New predicate.
237         (estimate_function_body_sizes): New function.
238         (compute_inline_parameters): Use it.
239         * except.c (must_not_throw_labels): New function.
240         * except.h (must_not_throw_labels): Declare.
241         * tree-inline.c (init_inline_once): Kill inlining_weigths
242         * tree-ssa-structalias.c: Avoid uninitialized warning.
243         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
244         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
245         (PARAM_INLINE_CALL_COST): Remove.
246         (PARAM_EARLY_INLINING_INSNS): New.
247         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
248         (inline-call-cost): Remove.
249         (early-inlining-insns): New.
250
251 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
252
253         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
254         for bounds.
255         (print_int_cst_bounds_in_octal_p): Likewise.
256         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
257         with subtypes.
258         * dwarf2out.c (base_type_die): Likewise.
259         (is_subrange_type): Delete.
260         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
261         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
262         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
263         the destination type is boolean.
264         (build_range_check): Do not special-case subtypes.
265         (fold_sign_changed_comparison): Likewise.
266         (fold_unary): Likewise.
267         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
268         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
269         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
270         * tree.c (subrange_type_for_debug_p): New predicate based on the former
271         is_subrange_type.
272         * tree.h (subrange_type_for_debug_p): Declare.
273         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
274         (convert_affine_scev): Remove call to above function.
275         (chrec_convert_aggressive): Likewise.
276         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
277         false for conversions involving subtypes.
278         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
279         (vrp_val_min): Likewise.
280         (needs_overflow_infinity): Likewise.
281         (extract_range_from_unary_expr): Likewise.
282
283 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
284
285         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
286         * config/frv/frv.c: Likewise.
287         * config/s390/s390.c: Likewise.
288         * config/sparc/sparc.h: Likewise.
289         * config/i386/i386.h: Likewise.
290         * config/i386/i386.c: Likewise.
291         * config/crx/crx.c: Likewise.
292         * config/m68hc11/m68hc11.h: Likewise.
293         * config/iq2000/iq2000.c: Likewise.
294         * config/mn10300/mn10300.h: Likewise.
295         * config/mn10300/mn10300.c: Likewise.
296         * config/m68k/m68k.c: Likewise.
297         * config/rs6000/rs6000.c: Likewise.
298         * config/rs6000/xcoff.h: Likewise.
299         * config/rs6000/linux64.h: Likewise.
300         * config/rs6000/sysv4.h: Likewise.
301         * config/score/score3.c: Likewise.
302         * config/score/score7.c: Likewise.
303         * config/score/score.c: Likewise.
304         * config/arm/arm.md: Likewise.
305         * config/mips/mips.c: Likewise.
306         * config/mips/mips.md: Likewise.
307         * config/bfin/bfin.h: Likewise.
308         * config/pa/pa.c: Likewise.
309         * config/pa/constraints.md: Likewise.
310
311         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
312         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
313         * config/pdp11/pdp11.h: Use memory_address_p instead.
314
315 2009-05-14  Ian Lance Taylor  <iant@google.com>
316
317         * passes.c (finish_optimization_passes): Change i to int.
318         * plugin.c (plugins_active_p): Change event to int.
319         (dump_active_plugins): Likewise.
320         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
321         Add cast.
322         * tree.c (tree_range_check_failed): Change c to unsigned int.
323         (omp_clause_range_check_failed): Likewise.
324         (build_common_builtin_nodes): Change mode to int.  Add cast.
325         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
326         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
327
328         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
329         ++ or -- with a variable of enum type.
330
331 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
332
333         PR driver/40144
334         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
335
336 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
337
338         * store-motion.c: Do not include params.h
339         * Makefile.in: Fix dependencies for various files.
340
341 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
342
343         * auto-inc-dec.c: Fix pass description, remove apparent
344         accidental duplication.
345
346 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
347
348         PR middle-end/40147
349         * ipa-utils.h (memory_identifier_string): Moved to ...
350         * tree.h (memory_identifier_string): Here.  Add GTY(()).
351
352 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
353
354         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
355         in the former documentation of...
356         (GO_IF_LEGITIMATE_ADDRESS): ... this.
357         * ira-conflicts.c (get_dup_num): Use address_operand.
358         * targhooks.c (default_legitimate_address_p): New.
359         * targhooks.h (default_legitimate_address_p): New.
360         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
361         Call hook.
362         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
363         * target.h (struct target): Add legitimate_address_p.
364         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
365         (TARGET_INITIALIZER): Include it.
366
367         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
368         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
369         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
370         (TARGET_LEGITIMATE_ADDRESS_P): New.
371
372         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
373         (REG_OK_STRICT_P): Delete.
374         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
375         (frv_legitimate_address_p_1): ... this.
376         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
377         (frv_legitimate_address_p_1): ... the renamed old
378         frv_legitimate_address_p.
379         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
380         (TARGET_LEGITIMATE_ADDRESS_P): New.
381
382         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
383         * config/s390/s390-protos.h (legitimate_address_p): Remove.
384         * config/s390/s390.c (legitimate_address_p): Rename to...
385         (s390_legitimate_address_p): ... this, make static.
386         (legitimize_address): Adjust call.
387         (TARGET_LEGITIMATE_ADDRESS_P): New.
388         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
389
390         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
391         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
392         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
393         (TARGET_LEGITIMATE_ADDRESS_P): New.
394
395         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
396         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
397         * config/spu/spu.c (spu_legitimate_address): Rename to...
398         (spu_legitimate_address_p): ... this, make static.
399         (TARGET_LEGITIMATE_ADDRESS_P): New.
400
401         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
402         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
403         * config/sparc/sparc.c (legitimate_address_p): Rename to...
404         (sparc_legitimate_address_p): ... this, make static and return bool.
405         (legitimize_address): Adjust call.
406         (TARGET_LEGITIMATE_ADDRESS_P): New.
407
408         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
409         * config/i386/i386-protos.h (legitimate_address_p): Remove.
410         * config/i386/i386.c (legitimate_address_p): Rename to...
411         (ix86_legitimate_address_p): ... this, make static.
412         (constant_address_p): Move after it, adjust call.
413         (TARGET_LEGITIMATE_ADDRESS_P): New.
414
415         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
416         * config/avr/avr-protos.h (legitimate_address_p): Remove.
417         * config/avr/avr.c (legitimate_address_p): Rename to...
418         (avr_legitimate_address_p): ... this, make static.
419         (legitimize_address): Adjust call.
420         (TARGET_LEGITIMATE_ADDRESS_P): New.
421
422         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
423         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
424         * config/crx/crx.c (crx_legitimate_address_p): Make static.
425         (TARGET_LEGITIMATE_ADDRESS_P): New.
426
427         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
428         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
429         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
430         (TARGET_LEGITIMATE_ADDRESS_P): New.
431
432         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
433         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
434         Remove.
435         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
436         Make static.
437         (TARGET_LEGITIMATE_ADDRESS_P): New.
438
439         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
440         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
441         Remove.
442         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
443         Rename to...
444         (m68hc11_legitimate_address_p): ... this, make static.
445         (go_if_legitimate_address_internal): Rename to...
446         (m68hc11_legitimate_address_p_1): ... this.
447         (legitimize_address): Adjust call.
448         (TARGET_LEGITIMATE_ADDRESS_P): New.
449
450         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
451         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
452         Remove.
453         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
454         Make static.
455         (TARGET_LEGITIMATE_ADDRESS_P): New.
456
457         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
458         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
459         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
460         (mn10300_legitimate_address_p): ... this, make static.
461         (TARGET_LEGITIMATE_ADDRESS_P): New.
462
463         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
464         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
465         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
466         (TARGET_LEGITIMATE_ADDRESS_P): New.
467
468         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
469         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
470         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
471         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
472         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
473         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
474         (rs6000_legitimate_address_p): ... this, make static.
475         (TARGET_LEGITIMATE_ADDRESS_P): New.
476         (REG_MODE_OK_FOR_BASE_P): Delete.
477         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
478
479         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
480         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
481         Delete.
482         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
483         static, adjust types.
484         (TARGET_LEGITIMATE_ADDRESS_P): New.
485
486         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
487         * config/score/score.c (score_address_p): Rename to...
488         (score_legitimate_address_p): ... this.
489         (TARGET_LEGITIMATE_ADDRESS_P): New.
490         * config/score/score3.c (score3_address_p): Rename to...
491         (score3_legitimate_address_p): ... this.
492         * config/score/score7.c (score7_address_p): Rename to...
493         (score7_legitimate_address_p): ... this.
494
495         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
496         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
497         GO_IF_LEGITIMATE_ADDRESS): Delete.
498         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
499         thumb2_legitimate_address_p): Delete.
500         (arm_legitimate_address_p): Rename to...
501         (arm_legitimate_address_outer_p): ... this.
502         * config/arm/constraints.md ("Uq"): Adjust call.
503         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
504         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
505         (arm_legitimate_address_outer_p): ... this.
506         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
507         (TARGET_LEGITIMATE_ADDRESS_P): New.
508
509         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
510         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
511         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
512         (TARGET_LEGITIMATE_ADDRESS_P): New.
513
514         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
515         * config/vax/vax-protos.h (legitimate_address_p): Remove.
516         * config/vax/vax.c (legitimate_address_p): Rename to...
517         (vax_legitimate_address_p): ... this, make static.
518         (TARGET_LEGITIMATE_ADDRESS_P): New.
519
520         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
521         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
522         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
523         (TARGET_LEGITIMATE_ADDRESS_P): New.
524
525         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
526         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
527         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
528         (mmix_legitimate_address_p): ... this, make static.
529         (TARGET_LEGITIMATE_ADDRESS_P): New.
530
531         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
532         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
533         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
534         (TARGET_LEGITIMATE_ADDRESS_P): New.
535
536 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
537
538         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
539         of MODE_COMPLEX_INT.
540
541 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
542
543         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
544         LCT_NORMAL in function call.
545         * mips-tdump.c (print_file_desc): Add cast to enum type.
546         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
547         (mark_stabs): Add casts to enum types.
548         (parse_stabs_common): Add casts to enum types.
549
550 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
551
552         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
553         Check for invalid values of LETTER.
554
555 2009-05-13  Taras Glek  <tglek@mozilla.com>
556
557         * attribs.c (register_attribute): moved out attribute registration into
558         register_attribute.
559         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
560         * gcc-plugin.h: Added forward decl for register_attribute.
561         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
562         * plugin.c (register_callback, invoke_plugin_callbacks): Added
563         PLUGIN_ATTRIBUTES boilerplate.
564
565 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
566
567         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
568         values even in sentinel and empty entries.
569         (ms_printf_flag_specs):  Likewise.
570         (ms_scanf_flag_specs):  Likewise.
571         (ms_strftime_flag_specs):  Likewise.
572         (ms_print_char_table):  Likewise.
573         (ms_scan_char_table):  Likewise.
574         (ms_time_char_table):  Likewise.
575
576 2009-05-13  Doug Kwan  <dougkwan@google.com>
577
578         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
579
580 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
581
582         * config/mips/mips.md (store): Add attributes for QI and HI.
583         Update comment.
584         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
585         (truncdi<mode>2): ... this new pattern.
586
587 2009-05-13  Brad Hards  <bradh@kde.org>
588
589         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
590
591 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
592             Ben Elliston <bje@au.ibm.com>
593
594         PR middle-end/40035
595         * dse.c (check_mem_read_rtx): Guard against width == -1.
596
597 2009-05-13  Michael Matz  <matz@suse.de>
598
599         PR middle-end/39976
600         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
601         (trivially_conflicts_p): New function.
602         (insert_backedge_copies): Use it.
603
604 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
605
606         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
607         (handle_stdc_pragma): Use new enum constant names.
608         (handle_pragma_float_const_decimal64): Ditto.
609
610 2009-05-13  Ian Lance Taylor  <iant@google.com>
611
612         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
613         tree.def.
614
615 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
616
617         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
618         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
619         multilibs.
620         * config/m68k/m68k.h (FL_UCLINUX): Define.
621
622 2009-05-13  Jan Hubicka  <jh@suse.cz>
623
624         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
625
626 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
627
628         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
629         unless -fschedule-insns is specified.
630
631 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
632
633         PR target/39561
634         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
635         TARGET_EXPAND_CBRANCHDI4.
636         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
637         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
638         (cmpeqdi): Fix comment.
639
640 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
641
642         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
643         (sh_legitimate_address_p): Likewise.
644         * config/sh/sh.c (sh_legitimate_index_p): New.
645         (sh_legitimate_address_p): Likewise.
646         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
647         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
648         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
649         (MAYBE_BASE_REGISTER_RTX_P): New macro.
650         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
651         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
652         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
653         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
654         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
655
656 2009-05-12  Jan Hubicka  <jh@suse.cz>
657
658         * tree-inline.c (estimate_operator_cost): Add operands;
659         when division happens by constant, it is cheap.
660         (estimate_num_insns): Loads and stores are not having cost of 0;
661         EH magic stuff is cheap; when computing runtime cost of switch,
662         use log2 base of amount of its cases; builtin_expect has cost of 0;
663         compute cost for moving return value of call.
664         (init_inline_once): Initialize time_based flags.
665         * tree-inline.h (eni_weights_d): Add time_based flag.
666
667 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
668
669         * df-core.c: Update head documentation.
670
671 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
672
673         PR bootstrap/40118
674         * rs6000.c (rs6000_generate_compare): Use op1b instead of
675         shadowing exisiting variable op1.
676
677 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
678
679         PR target/37179
680         * config/i386/driver-i386.c (processor_signatures): New enum.
681         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
682         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
683         processor signature to detect geode processor.
684
685 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
686
687         Revert:
688
689         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
690
691         * optabs.c (prepare_cmp_insn): Temporarily disable test that
692         causes spurious differences between trunk and cond-optab branch.
693
694 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
695
696         * dojump.c (compare_from_rtx): Delete.
697         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
698         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
699         if the comparison does not satisfy the predicate; test predicates for
700         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
701         further if one existing pattern fails.
702         * expr.h (compare_from_rtx): Delete.
703         (prepare_operand): Declare it.
704         * optabs.c: Change "lib call" to "libcall" throughout.
705         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
706         HAVE_conditional_trap, emit_cmp_insn): Delete.
707         (can_compare_p): Delete cmp_optab case.
708         (prepare_float_lib_cmp): Return an rtx and a machine mode.
709         Accept other parameters by value.
710         (prepare_operand): Make non-static.
711         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
712         other parameters by value.  Try to widen operands here based on
713         an optab_methods argument and looking at cbranch_optab.
714         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
715         loop.  Use cbranch_optab directly.
716         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
717         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
718         assertion.
719         (emit_conditional_move, emit_conditional_add): Inline what's needed
720         of compare_from_rtx, using new prepare_cmp_insn for the rest.
721         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
722         with COMPARE.  Move cmov_optab and cstore_optab above
723         with cbranch_optab, move cmp_optab down with ucmp_optab,
724         remove tst_otpab.  Do not initialize trap_rtx.
725         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
726         for trap code.  Do not check HAVE_conditional_trap.  Use
727         prepare_cmp_insn.  Accept no predicate for operand 3.
728         * optabs.h (OTI_cmp): Mark as used only for libcalls.
729         (OTI_ctrap, ctrap_optab): New.
730         (tst_optab): Delete.
731         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
732         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
733         with lookup of ctrap_optab.
734         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
735         setcc_gen_code): Delete.
736         (ctrap_optab): New.
737
738         * combine.c (combine_simplify_rtx, simplify_set): Do not
739         special case comparing against zero for cc0 machines.
740         * simplify-rtx.c (simplify_binary_operation_1): Never remove
741         COMPARE on cc0 machines.
742         (simplify_relational_operation): Return a new expression when
743         a COMPARE could be removed.
744         * final.c (final_scan_insn): Compare cc_status values
745         against LHS of a (compare FOO (const_int 0)) cc0 source.
746         Also check if cc_status.value is the full compare.
747
748         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
749         (cstoreMM4): Document.
750         (conditional_trap): Document ctrapMM4 instead.
751         (sync_compare_and_swapMM): Refer to cbranchcc4.
752         (Dependent Patterns): Eliminate obsolete information referring to
753         the old jump optimization phase.
754         (Canonicalization): Include cbranchcc4 case, omit canonicalization
755         of compares with 0 on cc0 machines.
756         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
757         avoiding references to cc0.  Remove text about storing operands
758         in cmpMM.
759         * doc/tm.texi (Condition Codes): Include blurb on different
760         condition code representations, separate into subsections for
761         CC0, MODE_CC and conditional execution.
762
763         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
764         alpha_emit_setcc): Accept operands and a machine mode.
765         * config/alpha/alpha.c (alpha_emit_conditional_branch):
766         Get code/op0/op1 from operands, use machine mode argument
767         instead of alpha_compare.fp_p.  Emit the branch here.
768         (alpha_emit_setcc): Likewise, and return boolean.
769         (alpha_emit_conditional_move): Likewise.  Assert that
770         cmp_op_mode == cmp_mode, and simplify accordingly.
771         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
772         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
773         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
774         Delete.
775         (stack probe test): Use cbranchdi4.
776         * config/alpha/predicates.md (alpha_cbranch_operator): New.
777
778         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
779         * config/arc/arc.h (movsicc, movsfcc): Use it.
780         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
781         (cbranchsi4, cstoresi4): New.
782         (cmpsi, bCC and sCC expanders): Remove. 
783
784         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
785         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
786         * config/arm/predicates.md (arm_comparison_operator): Only include
787         floating-point operators if there is a hardware floating-point unit.
788         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
789         deferring to cbranch_cc and cstore_cc respectively.
790         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
791         cbranch_cc, cstore_cc): New.
792         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
793         arm_compare_op1.
794         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
795
796         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
797         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
798         as an argument.
799         (adjust_insn_length): Adjust calls.
800         (avr_reorg): Handle (compare (foo) (const_int 0)).
801         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
802         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
803         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
804         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
805         (bCC): Remove.
806         (cbranchqi4, cbranchhi4, cbranchsi4): New.
807         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
808
809         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
810         (cbranchsi4, cstorebi4, cstoresi4): New.
811         (movbisi): This insn is duplicate, split it to zero_extend.
812         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
813         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
814         (bfin_optimize_loop): Use cbranch expander.
815         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
816         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
817         (bfin_bimode_comparison_operator): ... this.
818         (bfin_direct_comparison_operator): New.
819  
820         * config/cris/cris.c (cris_normal_notice_update_cc): Look
821         inside (compare FOO (const_int 0)).
822         (cris_rtx_costs): Handle ZERO_EXTRACT.
823         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
824         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
825         (*tstdi_v32): Delete.
826         (*cmpdi_non_v32): Add M alternative for operand 1.
827         (cmpsi, cmp<mode>): Make private.
828         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
829         with COMPARE.
830         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
831
832         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
833         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
834         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
835         (cc_reg_operand): New.
836         (any_cond): Delete.
837         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
838         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
839         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
840         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
841         crx_expand_scond): Delete.
842
843         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
844         (cbranchsi4): New.
845         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
846         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
847
848         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
849         cstoresi4, cstoresf4, cstoredf4): New.
850         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
851         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
852         Receive the entire operands array.
853         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
854         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
855         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
856         Get test/op0/op1 from the operands array.
857         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
858
859         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
860         (h8300_expand_store): New.
861         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
862         (const_int 0)).
863         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
864         (h8300_expand_store): New.
865         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
866         or do not try to produce (set (cc0) REG).
867         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
868         change a compare into a move to a scratch register.  Disable some
869         peepholes when comparing with zero.
870         (tstsi, tsthi, tstsi, cmpqi): Make private.
871         (cmphi): Delete.
872         (bCC, sCC): Delete.
873         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
874         cstoresi4): New.
875
876         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
877         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
878         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
879         (ix86_emit_i387_log1p): Use cbranchxf2.
880         (ix86_expand_setcc): Return void.
881         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
882         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
883         cmp<MODEF>, cmpcc): Remove.
884         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
885         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
886         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
887         (sCC and bCC expanders): Remove.
888         (stack_protect_test): Use cbranchcc4.
889
890         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
891         Delete.
892         (ia64_expand_compare): Accept three rtx by reference and return void.
893         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
894         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
895         from *expr.  Update *expr with the BImode comparison to do.
896         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
897         cmptf, bCC, sCC, conditional_trap): Delete.
898         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
899         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
900         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
901         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
902         * config/ia64/predicates.md (ia64_cbranch_operator): New.
903
904         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
905         type of last argument.
906         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
907         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
908         use machine mode argument instead of branch_type.  Remove dead
909         code for floating-point comparisons.
910         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
911         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
912         Remove.
913         (cbranchsi4, cstoresi4): New.
914         * config/iq2000/predicates.md (reg_or_const_operand): New.
915
916         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
917         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
918         (b<code>_op): Rewrite to...
919         (bcc_op): ... this, using match_operator.
920         (s<code>_op): Rewrite to...
921         (scc_op): ... this, using match_operator.
922         (s<code>_24_op): Rewrite to...
923         (scc_op_24): ... this, using match_operator.
924         (s<code>_<mode>): Rewrite to...
925         (cstore<mode>4): ... this, using match_operator.
926         (s<code>_<mode>_24): Rewrite to...
927         (cstore<mode>4_24): ... this, using match_operator.
928         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
929         m32c_unpend_compare, m32c_expand_scc): Delete.
930         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
931         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
932         (m32c_expand_movcc): Change NE to EQ if necessary.
933         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
934
935         * config/m32r/m32r-protos.h (gen_cond_store): New.
936         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
937         (gen_cond_store): New, from sCC patterns.
938         (m32r_expand_block_move): Use cbranchsi4.
939         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
940         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
941         (cbranchsi4, cstoresi4): New.
942         
943         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
944         Delete.
945         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
946         (m68hc11_notice_update_cc): Look into a compare with 0.
947         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
948         Delete.
949         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
950         cmphi, cmpqi, bCC): Delete.
951         (cbranchsi4, cbranchhi4, cbranchqi4): New.
952         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
953         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
954         sets with COMPARE.
955
956         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
957         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
958         * config/m68k/constraints.md (H): New.
959         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
960         the define_insn below.
961         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
962         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
963         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
964         patterns): Wrap RHS with COMPARE.
965         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
966         (*cmpdi_internal): Name this pattern.
967         (cmpdi): Change to define_insn.
968         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
969         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
970         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
971         predicate.
972         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
973         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
974         (conditional_trap): Change to...
975         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
976         (*conditional_trap): Use the ordered_comparison_operator and
977         const1_operand predicates.
978         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
979         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
980         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
981         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
982
983         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
984         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
985         (mcore_gen_compare): New. 
986         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
987         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
988         (mcore_gen_compare): ... this.
989         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
990         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
991         (stack probe pattern): Use cbranchsi4.
992
993         * config/mips/predicates.md (mips_cstore_operator): New.
994         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
995         * config/mips/mips.md (any_cond): Delete.
996         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
997         always succeed.
998         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
999         fixuns_truncsfdi2): Use cbranch patterns.
1000         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
1001         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
1002         Adjust call to mips_expand_conditional_branch.
1003         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
1004         cstore<GPR:mode>4.
1005         * config/mips/mips-protos.h (mips_expand_conditional_branch,
1006         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
1007         * config/mips/mips.c (cmp_operands): Delete.
1008         (mips_emit_compare): Get comparison operands from *op0/*op1.
1009         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
1010         that it succeeds.  Use op0/op1 instead of cmp_operands.
1011         (mips_expand_conditional_branch, mips_expand_conditional_move,
1012         mips_expand_conditional_trap): Likewise.
1013         (mips_block_move_loop): Use cbranch patterns. 
1014         * config/mips/mips.h (cmp_operands): Delete.
1015
1016         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
1017         (mmix_gen_compare_reg): Just return a register in the right CC mode.
1018         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
1019         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
1020         (*cmpcc_folded): Rename to...
1021         (*cmpdi_folded): this.
1022         (*cmpcc): Rename to...
1023         (*cmps): ... this.
1024         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
1025         (bCC): Remove.
1026         (cbranchdi4): New.
1027         (cbranchdf4): New.  Handle invalid comparisons here.
1028         * config/mmix/predicates.md (float_comparison_operator): New.
1029
1030         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
1031         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
1032         * config/mn10300/mn10300.md (tst): Delete.
1033         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
1034         Name these patterns and wrap RHS in a compare.
1035         (*cmpsi): Make this pattern private.  Include tst.
1036         (*cmpsf): Make this pattern private.
1037         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
1038         (compare with zero peepholes): Likewise.
1039         (bCC): Remove.
1040         (cbranchsi4, cbranchsf4): New.
1041         (casesi): Use cbranchsi4.
1042
1043         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
1044         hppa_branch_type): Delete.
1045         (return_addr_rtx): Use cbranchsi4.
1046         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
1047         Emit CCFPmode comparison here.
1048         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
1049         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
1050         hppa_branch_type): Delete.
1051         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
1052         (movsicc, movdicc): Remove references to hppa_compare_op0,
1053         hppa_compare_op1 and compare_from_rtx.
1054         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
1055         (casesi): Use cbranchsi4.
1056
1057         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
1058         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
1059         * config/pdp11/pdp11.md (register_or_const0_operand): New.
1060         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
1061         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
1062         (bCC): Delete.
1063         (cbranchdf4, cbranchhi4, cbranchqi4): New.
1064         (*branch, *branch_inverted): New.
1065
1066         * config/picochip/picochip.md (cbranchhi4): Use
1067         ordered_comparison_operator.
1068         (cmphi, bCC): Remove.
1069
1070         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
1071         (trap_comparison_operator): Delete.
1072         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
1073         rs6000_emit_cbranch): Accept mode and operands.
1074         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
1075         rs6000_compare_fp_p): Delete.   
1076         (rs6000_generate_compare): Accept mode and comparison.  Extract code
1077         and op0/op1 from there.  Replace references to rs6000_compare_op0
1078         and rs6000_compare_op1.
1079         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
1080         extract result from passed operands.
1081         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
1082         extract loc from passed operands.
1083         (rs6000_emit_cmove): Likewise.
1084         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
1085         rs6000_compare_fp_p): Delete.
1086         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
1087         (cbranch<GPR>4, cbranch<FP>4): New.
1088         (cstore<mode>4): New.  Consolidate here all choices about when to use
1089         portable or specialized sCC sequences.
1090         (stack_protect_test): Use cbranchsi4.
1091         (conditional_trap): Replace with ctrap<GPR>4.
1092         (conditional trap insn): Replace trap_comparison_operator with
1093         ordered_comparison_operator. 
1094
1095         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
1096         (s390_emit_prologue): Use ctrap.
1097         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
1098         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
1099         New predicates replacing...
1100         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
1101         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
1102         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
1103         (add<mode>cc): Do not use s390_compare_op0/op1.
1104         (s<code>): Change to...
1105         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
1106         (seq): Change to...
1107         (cstorecc4): ... this.  Handle EQ or NE equally.
1108         (*sne): Un-privatize for use in cstorecc4.
1109         (b<code>): Change to...
1110         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
1111         (conditional_trap): Replace with...
1112         (ctrap<GPR>4, ctrap<FP>4): ... these.
1113         (stack_protect): Use cbranchcc4.
1114
1115         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
1116         * config/score/score-protos.h (score_gen_cmp): Delete.
1117         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
1118         (score_block_move-loop): Use cbranchsi4.
1119         * config/score/score.md (cbranchsi4): New.
1120         (cmpsi, bCC): Delete.
1121         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
1122         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1123         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
1124         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1125         * config/score/score3.h (score3_gen_cmp): Delete.
1126         * config/score/score7.h (score7_gen_cmp): Delete.
1127
1128         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
1129         (sh_emit_scc_to_t): ... this.  Return void.
1130         (from_compare): Rename to...
1131         (sh_emit_compare_and_branch): ... this.
1132         (sh_emit_compare_and_set): New.
1133         (sh_expand_t_scc): Accept operands.
1134         * config/sh/predicates.md (sh_float_comparison_operator): New.
1135         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
1136         (prepare_scc_operands): Rename to...
1137         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
1138         arguments.
1139         (sh_emit_cheap_store_flag): New.
1140         (sh_emit_set_t_insn): New.
1141         (from_compare): Rename to...
1142         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
1143         handling of TARGET_SH2E floating point to avoid recursive call.
1144         Generate branch here.
1145         (sh_emit_compare_and_set): New.
1146         (sh_expand_t_scc): Get op0/op1 from arguments.
1147         (sh_emit_cheap_store_flag): New.
1148         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
1149         cases.
1150         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
1151         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
1152         (movsicc, movdicc): Do nothing when it recreated operands from
1153         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
1154         prepare_scc_operands (now sh_emit_scc_to_t).
1155         (udivdi3): Use cstoresi4.
1156         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
1157         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
1158         (cbranchint4_media, cbranchfp4_media): New.
1159         (casesi): Use cbranchdi4.
1160         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
1161         Delete.
1162         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
1163         (movnegt): Remove second operand.
1164         (cbranchsf4, cbranchdf4): New.
1165         (stack_protect): Use cbranchdi4/cbranchsi4.
1166
1167         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
1168         (gen_compare_reg): Accept comparison, extract part of it to...
1169         (gen_compare_reg_1): ... this. 
1170         (gen_compare_operator): Delete.
1171         (gen_v9_scc): Accept separate destination, comparison code and arms.
1172         Do not use sparc_compare_op0/sparc_compare_op1.
1173         (emit_scc_insn, emit_conditional_branch_insn): New.
1174         (emit_v9_brxx): Make static.  Remove useless assertion.
1175         (sparc_emit_float_lib_cmp): Return RTL instead of calling
1176         emit_cmp_insn.
1177         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
1178         * config/sparc/sparc-protos.h (gen_compare_reg,
1179         sparc_emit_float_lib_cmp): Adjust prototype.
1180         (emit_scc_insn, emit_conditional_branch_insn): New.
1181         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
1182         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
1183         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
1184         iterators to the top.
1185         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
1186         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
1187         snedi_special_trunc): Delete.
1188         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
1189         and snedi_special_trunc.
1190         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
1191         cbranchdi4, cbranch<F:mode>4): New.
1192         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
1193         here.  Use gen_compare_reg instead of gen_compare_operator.
1194         (conditional_trap): Replace with...
1195         (ctrapsi4, ctrapdi4): ... this.
1196         (stack_protect_test): Use cbranchcc4.
1197
1198         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
1199         argument to rtx.
1200         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
1201         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
1202         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
1203         from operands[0] or operands[3] depending on is_set.
1204         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
1205         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
1206         cmpdf, bCC), sCC: Remove.
1207         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
1208         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
1209         cstoredf4): New.
1210         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1211         spu_emit_branch_or_set.
1212
1213         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1214         Add two arguments.
1215         * config/stormy16/stormy16.h (xstormy16_compare_op0,
1216         xstormy16_compare_op1): Delete.
1217         * config/stormy16/stormy16.c (xstormy16_compare_op0,
1218         xstormy16_compare_op1): Delete. 
1219         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1220         Adjust calls.
1221         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1222         (cmphi, cmpsi, bCC): Remove.
1223
1224         * config/v850/v850.md (tstsi, cmpsi): Fold into...
1225         (*cmpsi): ... this one.
1226         (cbranchsi4, cstoresi4): New.
1227         (bCC expanders): Delete.
1228         (sCC insns): Fold into...
1229         (*setcc): ... this one.
1230         (casesi): Do not use gen_cmpsi and gen_bgtu. 
1231         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
1232         (movsicc): Simplify.
1233         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
1234
1235         * config/vax/vax-protos.h (cond_name): New.
1236         (vax_output_conditional_branch): Remove.
1237         * config/vax/vax.c (cond_name): New.
1238         (vax_output_conditional_branch): Remove.
1239         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
1240         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
1241         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
1242         (bit<VAXint>): Wrap source with (compare).
1243         (b<code> and following unnamed pattern): Rename to *branch and
1244         *branch_reversed.  Change macroization to match_operator.
1245         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
1246
1247         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
1248         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
1249         Change last argument to machine_mode.
1250         (xtensa_expand_scc): Add machine_mode argument.
1251         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
1252         (gen_conditional_move, xtensa_expand_conditional_branch,
1253         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
1254         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
1255         Adjust operand numbers.
1256         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
1257         Delete.
1258         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
1259         (cmpsi, cmpsf, b<code>, s<code>): Delete.
1260         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
1261
1262 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1263
1264         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1265         causes spurious differences between trunk and cond-optab branch.
1266
1267 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1268
1269         PR target/37137
1270         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
1271
1272 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1273
1274         * tree.c (iterative_hash_pointer): Delete.
1275         (iterative_hash_expr): Short-circuit handling of NULL pointer.
1276         Hash UIDs and versions of SSA names.  Don't special-case built-in
1277         function declarations.
1278
1279 2009-05-11  Ian Lance Taylor  <iant@google.com>
1280
1281         PR bootstrap/40103
1282         * graphite.c: Force -Wc++-compat to only be a warning before
1283         #including "cloog/cloog.h".
1284
1285 2009-05-11  Martin Jambor  <mjambor@suse.cz>
1286
1287         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1288         
1289 2009-05-11  Jan Hubicka  <jh@suse.cz>
1290
1291         * tree-ssa-loop-ivcanon.c: Include target.h
1292         (struct loop_size): new structure.
1293         (constant_after_peeling): New predicate.
1294         (tree_estimate_loop_size): New function.
1295         (estimated_unrolled_size): Rewrite for new estimates.
1296         (try_unroll_loop_completely): Use new estimates.
1297         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1298
1299 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1300
1301         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1302         libcpp interface change.
1303         (spu_macro_to_expand): Likewise.
1304
1305 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
1306
1307         PR tree-optimization/40026
1308         * gimplify.c (gimplify_init_constructor): Change initial conditional
1309         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
1310         optimize_compound_literals_in_ctor.
1311
1312 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1313
1314         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1315         New devices.
1316         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1317
1318 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1319
1320         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1321         HOST_WIDE_INT for gap.
1322
1323 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1324
1325         PR tree-optimization/40074
1326         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1327         account in group size and step comparison.
1328
1329 2009-05-11  Richard Guenther  <rguenther@suse.de>
1330
1331         * passes.c (init_optimization_passes): Strip now incorrect comment.
1332         (execute_function_todo): Do not set PROP_alias.
1333         * tree-pass.h (PROP_alias): Remove.
1334         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1335         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1336         * tree-nrv.c (pass_return_slot): Likewise.
1337         * tree-object-size.c (pass_object_sizes): Likewise.
1338         * tree-ssa-dom.c (pass_dominator): Likewise.
1339         (pass_phi_only_cprop): Likewise.
1340         * tree-ssa-dse.c (pass_dse): Likewise.
1341         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1342         (pass_cselim): Likewise.
1343         * tree-ssa-pre.c (pass_pre): Likewise.
1344         (pass_fre): Likewise.
1345         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1346         * tree-ssa-sink.c (pass_sink_code): Likewise.
1347         * tree-stdarg.c (pass_stdarg): Likewise.
1348         * tree-tailcall.c (pass_tail_calls): Likewise.
1349         * tree-vrp.c (pass_vrp): Likewise.
1350
1351 2009-05-10  Ian Lance Taylor  <iant@google.com>
1352
1353         * basic-block.h (enum profile_status): Break out of struct
1354         control_flow_graph.
1355         * cgraph.h (struct inline_summary): Break out of struct
1356         cgraph_local_info.
1357         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1358         of struct cgraph_order_sort.
1359         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1360         * cse.c (struct branch_path): Break out of struct
1361         cse_basic_block_data.
1362         * except.h (enum eh_region_type): Break out of struct eh_region.
1363         * gcc.c (enum add_del): Break out of struct modify_target.
1364         * genrecog.c (enum decision_type): Break out of struct decision_test.
1365         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1366         ggc_pch_data.
1367         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1368         * regmove.c (enum match_use): New enum, broken out of struct match.
1369         * sched-int.h (enum post_call_group): New enum, broken out of
1370         struct deps.
1371         (struct deps_reg): Break out of struct deps.
1372         * target.h (struct asm_int_op): Break out of struct gcc_target.
1373         * tree-eh.c (struct goto_queue_node): Break out of struct
1374         leh_tf_state.
1375         * tree-inline.h (enum copy_body_cge_which): Break out of
1376         copy_body_data.
1377         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1378
1379         * c-decl.c (in_struct, struct_types): New static variables.
1380         (pushtag): Add loc parameter.  Change all callers.
1381         (lookup_tag): Add ploc parameter.  Change all callers.
1382         (check_compound_literal_type): New function.
1383         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1384         -Wc++-compat, warn about struct/union/enum types defined within a
1385         struct or union.
1386         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1387         and loc parameters.  Change all callers.  Change error calls to
1388         error_at, using loc.  For a redefinition, if the location of the
1389         original definition is known, report it.  Set in_struct and
1390         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1391         (finish_struct): Add new parameters enclosing_in_struct and
1392         enclosing_struct_types.  Change all callers.  Set
1393         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1394         in the struct.  If in a struct, add this struct to struct_types.
1395         (start_enum): Add loc parameter.  Change all callers.  Use
1396         error_at for errors, using loc.  For a redefinition, if the
1397         location of the original definition is known, report it.  If in a
1398         struct, add this enum type to struct_types.  If -Wc++-compat warn
1399         if in sizeof, typeof, or alignof.
1400         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1401         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1402         (c_parser_enum_specifier): Get enum location for start_enum.
1403         (c_parser_struct_or_union_specifier): Get struct location for
1404         start_struct.  Save in_struct and struct_types status between
1405         start_struct and finish_struct.
1406         (c_parser_cast_expression): Get location of cast.
1407         (c_parser_alignof_expression): Get location of type.
1408         (c_parser_postfix_expression): Likewise.
1409         (c_parser_postfix_expression_after_paren_type): Add type_loc
1410         parameter.  Change all callers.  Call check_compound_literal_type.
1411         Use type_loc for error about variable size type.
1412         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1413         of an enum constant from an enum type defined in a struct or union.
1414         (c_cast_expr): Add loc parameter.  Change all callers.  If
1415         -Wc++-compat, warn about defining a type in a cast.
1416         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1417         (start_enum, start_struct, finish_struct): Update declarations.
1418         (parser_xref_tag, c_cast_expr): Update declarations.
1419         (check_compound_literal_type): Declare.
1420
1421 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1422
1423         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1424         for recent libcpp interface change.
1425         (rs6000_macro_to_expand): Likewise.
1426
1427 2009-05-10  Michael Matz  <matz@suse.de>
1428
1429         PR target/40031
1430         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1431         not at entry of function.
1432
1433 2009-05-10  Richard Guenther  <rguenther@suse.de>
1434
1435         PR tree-optimization/40081
1436         Revert
1437         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1438         using the main variant of the element type.  Do not fiddle with
1439         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1440
1441         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1442         structs with volatile fields.
1443
1444 2009-05-10  Jan Hubicka  <jh@suse.cz>
1445
1446         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1447         (estimate_move_cost): Assert that it does not get called for
1448         VOID_TYPE_P.
1449         (estimate_num_insns): Skip VOID types in argument handling.
1450         (optimize_inline_calls): Delete unreachable blocks and verify that
1451         callgraph is valid.
1452
1453 2009-05-10  Jan Hubicka  <jh@suse.cz>
1454
1455         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1456         * cgraph.c (cgraph_mark_address_taken_node): New function.
1457         (dump_cgraph_node): Dump new flag.
1458         * cgraph.h (struct cgraph_node): Add address_taken.
1459         (cgraph_mark_address_taken_node): New function.
1460         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1461         since new direct calls can be born.
1462
1463 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1464
1465         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1466         tok->val.node.node.
1467
1468 2009-05-10  Jan Hubicka  <jh@suse.cz>
1469
1470         PR middle-end/40084
1471         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1472         argument; rewrite.
1473         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1474         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1475         * tree-inline.c (copy_bb): Set frequency correctly.
1476         (fold_marked_statements): Update call to
1477         cgraph_update_edges_for_call_stmt.
1478
1479 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1480
1481         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1482         identifiers in diagnostics.
1483         * config/arm/arm.c (arm_handle_fndecl_attribute,
1484         arm_handle_isr_attribute): Likewise.
1485         * config/avr/avr.c (avr_handle_progmem_attribute,
1486         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1487         Likewise.
1488         * config/bfin/bfin.c (handle_int_attribute,
1489         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1490         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1491         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1492         Likewise.
1493         * config/darwin.c (darwin_handle_kext_attribute,
1494         darwin_handle_weak_import_attribute): Likewise.
1495         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1496         h8300_handle_eightbit_data_attribute,
1497         h8300_handle_tiny_data_attribute): Likewise.
1498         * config/i386/i386.c (ix86_handle_cconv_attribute,
1499         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1500         Likewise.
1501         * config/i386/winnt.c (ix86_handle_shared_attribute,
1502         ix86_handle_selectany_attribute): Likewise.
1503         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1504         * config/m32c/m32c.c (function_vector_handler): Likewise.
1505         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1506         m68hc11_handle_fntype_attribute): Likewise.
1507         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1508         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1509         * config/mips/mips.c (mips_insert_attributes,
1510         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1511         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1512         rs6000_handle_struct_attribute): Likewise.
1513         * config/sh/sh.c (sh_insert_attributes,
1514         sh_handle_resbank_handler_attribute,
1515         sh_handle_interrupt_handler_attribute,
1516         sh2a_handle_function_vector_handler_attribute,
1517         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1518         Likewise.
1519         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1520         * config/spu/spu.c (spu_handle_fndecl_attribute,
1521         spu_handle_vector_attribute): Likewise.
1522         * config/stormy16/stormy16.c
1523         (xstormy16_handle_interrupt_attribute): Likewise.
1524         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1525         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1526
1527 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1528
1529         * pretty-print.h (struct pretty_print_info): Add
1530         translate_identifiers.
1531         (pp_translate_identifiers): New.
1532         (pp_identifier): Only conditionally translate identifier to locale
1533         character set.
1534         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1535         (pp_base_tree_identifier): Only conditionally translate identifier
1536         to locale character set.
1537         * c-pretty-print.c (M_): Define.
1538         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1539         fragments for conditional translation with M_.
1540         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1541         identifier translation.
1542
1543 2009-05-10  Richard Guenther  <rguenther@suse.de>
1544
1545         PR tree-optimization/40081
1546         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1547         using the main variant of the element type.  Do not fiddle with
1548         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1549
1550 2009-05-09  Jan Hubicka  <jh@suse.cz>
1551
1552         PR middle-end/40080
1553         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1554         indirect calls; verify cgraph afterwards.
1555
1556 2009-05-09  Jan Hubicka  <jh@suse.cz>
1557
1558         PR bootstrap/40082
1559         * ipa.c (update_inlined_to_pointer): New function.
1560         (cgraph_remove_unreachable_nodes): Use it.
1561
1562 2009-05-09  Jan Hubicka  <jh@suse.cz>
1563
1564         * tree-eh.c (struct leh_state): Remove prev_try.
1565         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1566         not track prev_try.
1567         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1568         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1569         remove_eh_handler_and_replace, foreach_reachable_handler,
1570         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1571         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1572         (gen_eh_region_cleanup): Update prototype.
1573
1574 2009-05-09  Jan Hubicka  <jh@suse.cz>
1575
1576         PR middle-end/40043
1577         * except.c (copy_eh_region): Always set prev_try.
1578         (redirect_eh_edge_to_label): Find outer try.
1579         (foreach_reachable_handler): When looking for prev try
1580         handle case where previous try is not going to be taken.
1581
1582 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1583
1584         PR tree-optimization/40049
1585         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1586         only vector/vector shifts, convert the type of the constant to the
1587         appropriate type to avoid building incorrect trees, which
1588         eventually have problems with garbage collection.
1589
1590 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1591
1592         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1593         -1 for complex floating-point types if honoring signed zeros.
1594
1595 2009-05-08  Jan Hubicka  <jh@suse.cz>
1596
1597         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1598         argument; handle correctly when profile is absent.
1599         (build_cgraph_edges): Update.
1600         (rebuild_cgraph_edges): Update.
1601         * cgraph.c: Do not include varray.h.
1602         (cgraph_set_call_stmt_including_clones): New function.
1603         (cgraph_create_edge_including_clones): Likewise
1604         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1605         (cgraph_update_edges_for_call_stmt): Handle clones.
1606         (cgraph_remove_node): Handle clone tree.
1607         (cgraph_remove_node_and_inline_clones): New function.
1608         (dump_cgraph_node): Dump clone tree.
1609         (cgraph_clone_node): Handle clone tree.
1610         (clone_function_name): Bring here from tree-inline.c.
1611         (cgraph_create_virtual_clone): New function.
1612         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1613         (cgraph_clone_info): New function.
1614         (strut cgraph_node): Add clone_info and new clone tree pointers.
1615         (cgraph_remove_node_and_inline_clones,
1616         cgraph_set_call_stmt_including_clones,
1617         cgraph_create_edge_including_clones,
1618         cgraph_create_virtual_clone): Declare.
1619         (cgraph_function_versioning): Use VEC argument.
1620         (compute_call_stmt_bb_frequency): Update prototype.
1621         (cgraph_materialize_all_clones): New function.
1622         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1623         (ipcp_create_replace_map): Update to VECtors.
1624         (ipcp_update_callgraph): Use virtual clones.
1625         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1626         (ipcp_update_profiling): Do not update local profiling.
1627         (ipcp_insert_stage): Use VECtors and virtual clones.
1628         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1629         (clone_of_p): New function.
1630         (cgraph_preserve_function_body_p): Use clone tree.
1631         (cgraph_optimize): Materialize clones.
1632         (cgraph_function_versioning): Update for VECtors.
1633         (save_inline_function_body): Use clone tree.
1634         (cgraph_materialize_clone): New function.
1635         (cgraph_materialize_all_clones): Likewise.
1636         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1637         * ipa.c: Include gimple.h.
1638         (cgraph_remove_unreachable_nodes): Use clone tree.
1639         * ipa-prop.c (ipa_note_param_call): Update call to
1640         compute_call_stmt_bb_frequencycall.
1641         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1642         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1643         (copy_bb): Handle updating of clone tree; add new edge when new call
1644         appears.
1645         (expand_call_inline): Be strict about every call having edge.
1646         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1647         (delete_unreachable_blocks_update_callgraph): New function.
1648         (tree_function_versioning): Use VECtors; always remove unreachable
1649         blocks and fold conditionals.
1650         * tree-inline.h: Do not include varray.h.
1651         (tree_function_versioning): Remove.
1652         * Makefile.in (GTFILES): Remove tree-inline.c
1653         * passes.c (do_per_function): Do only functions having body.
1654         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1655         tree.
1656
1657 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1658             Andrew Morrow  <acm@google.com>
1659
1660         PR c/36892
1661         * c-common.c (c_common_attribute_table): Permit deprecated
1662         attribute to take an optional argument.
1663         (handle_deprecated_attribute): If the optional argument to
1664         __attribute__((deprecated)) is not a string ignore the attribute
1665         and emit a warning.
1666
1667         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1668         * c-typeck.c (build_component_ref): Likewise.
1669         (build_external_ref): Likewise.
1670
1671         * toplev.c (warn_deprecated_use): Add an attribute argument.
1672         Emit the message associated with __attribute__((deprecated)).
1673
1674         * toplev.h (warn_deprecated_use): Updated.
1675
1676         * doc/extend.texi: Document new optional parameter to
1677         __attribute__((deprecated))
1678
1679 2009-05-08  Michael Eager <eager@eagercon.com>
1680
1681         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1682         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1683
1684 2009-05-08  Richard Guenther  <rguenther@suse.de>
1685
1686         PR tree-optimization/40062
1687         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1688         Avoid exponential behavior.
1689
1690 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1691
1692         PR rtl-optimization/33928
1693         PR 26854
1694         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1695         process_uses, build_single_def_use_links): New.
1696         (update_df): Update use_def_ref.
1697         (forward_propagate_into): Use get_def_for_use instead of use-def
1698         chains.
1699         (fwprop_init): Call build_single_def_use_links and let it initialize
1700         dataflow.
1701         (fwprop_done): Free use_def_ref.
1702         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1703         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1704         df_rd_simulate_one_insn): New.
1705         (df_rd_bb_local_compute_process_def): Update head comment.
1706         (df_chain_create_bb): Use the new RD simulation functions.
1707         * df.h (df_rd_simulate_artificial_defs_at_top, 
1708         df_rd_simulate_one_insn): New.
1709         * opts.c (decode_options): Enable fwprop at -O1.
1710         * doc/invoke.texi (-fforward-propagate): Document this.
1711
1712 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1713
1714         PR c/24581
1715         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1716         and one complex operand specially.
1717         * tree-complex.c (some_nonzerop): Do not identify a real value as
1718         zero if flag_signed_zeros.
1719
1720 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1721
1722         PR rtl-optimization/33928
1723         * loop-invariant.c (record_use): Fix && vs. || mishap.
1724
1725 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1726
1727         PR rtl-optimization/33928
1728         * loop-invariant.c (struct use): Add addr_use_p.
1729         (struct def): Add n_addr_uses.
1730         (struct invariant): Add cheap_address.
1731         (create_new_invariant): Set cheap_address.
1732         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1733         (record_uses): Pass df_ref to record_use.
1734         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1735         used only as such.
1736
1737 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1738
1739         * config/sh/sh.c: Do not include c-pragma.h.
1740
1741 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1742
1743         * config/spu/spu.c: Remove include of c-common.h.
1744
1745 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1746
1747         PR c/39037
1748         * c-common.h (mark_valid_location_for_stdc_pragma,
1749         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1750         clear_float_const_decimal64, float_const_decimal64_p): New.
1751         * c.opt (Wunsuffixed-float-constants): New.
1752         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1753         unsuffixed float constant, handle new warning.
1754         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1755         * c-decl.c (c_scope): New flag float_const_decimal64.
1756         (set_float_const_decimal64, clear_float_const_decimal64,
1757         float_const_decimal64_p): New.
1758         (push_scope): Set new flag.
1759         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1760         to use STDC pragmas.
1761         (c_parser_external_declaration): Ditto.
1762         (c_parser_compound_statement_nostart): Ditto.
1763         * c-pragma.c (valid_location_for_stdc_pragma,
1764         mark_valid_location_for_stdc_pragma,
1765         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1766         handle_pragma_float_const_decimal64): New.
1767         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1768         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1769         set_float_const_decimal64, clear_float_const_decimal64,
1770         float_const_decimal64_p): New dummy functions.
1771         * doc/extend.texi (Decimal Float): Remove statement that the
1772         pragma, and suffix for double constants, are not supported.
1773         * doc/invoke.texi (Warning Options): List new option.
1774         (-Wunsuffixed-float-constants): New.
1775
1776 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1777
1778         * config/i386/i386.c: Do not include c-common.h.
1779
1780 2009-05-07  Mark Heffernan  <meheff@google.com>
1781
1782         * doc/invoke.texi (Debugging Options): Document change of debugging
1783         dump location.
1784         * opts.c (decode_options): Make dump_base_name relative to
1785         aux_base_name directory.
1786
1787 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1788
1789         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1790         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1791
1792 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1793
1794         * Makefile.in (install-plugin): Simplify a bit.
1795
1796 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1797
1798         * Makefile.in (OBJS-common): Add regcprop.o.
1799         (regcprop.o): New.
1800         * timevar.def (TV_CPROP_REGISTERS): New.
1801         * regrename.c (regrename_optimize): Return 0.
1802         (rest_of_handle_regrename): Delete.
1803         (pass_rename_registers): Point to regrename_optimize.
1804         (struct value_data_entry, struct value_data, 
1805         kill_value_one_regno, kill_value_regno, kill_value,
1806         set_value_regno, init_value_data, kill_clobbered_value,
1807         kill_set_value, kill_autoinc_value, copy_value,
1808         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1809         replace_oldest_value_reg, replace_oldest_value_addr,
1810         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1811         debug_value_data, validate_value_data): Move...
1812         * regcprop.c: ... here.
1813         (rest_of_handle_cprop): Delete.
1814         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1815
1816 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1817
1818         PR middle-end/40057
1819         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1820         GEN_INT for 1 << bitnum.
1821         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1822         build_int_cst_type.
1823
1824 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1825
1826         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1827         Remove wrong description of "nand" operation.
1828
1829 2009-05-06  Richard Guenther  <rguenther@suse.de>
1830             Adam Nemet  <anemet@caviumnetworks.com>
1831
1832         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1833         comment.  Add that if LHS is not a gimple register, then RHS1 has
1834         to be a single object (GIMPLE_SINGLE_RHS).
1835
1836 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1837
1838         * expr.c (get_def_for_expr): Move it up in the file.
1839         (store_field): When expanding a bit-field store, look at the
1840         defining gimple stmt for the masking conversion.
1841
1842 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1843
1844         PR middle-end/39986
1845         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1846         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1847         32-bit memcpy into long.
1848
1849 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1850
1851         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1852         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1853         new_reg_loc_descr.
1854         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1855         instead of appending DW_OP_deref*.
1856
1857 2009-05-06  Michael Matz  <matz@suse.de>
1858
1859         PR middle-end/40021
1860         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1861         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1862
1863 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1864
1865         * Makefile.in (install-plugin): Fix srcdir handling.
1866
1867 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1868
1869         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1870         when processing for not_regs_needed bitmap.
1871         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1872         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1873         handling it for rhs. 
1874
1875 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1876
1877         * config/i386/i386.md (unnamed inc/dec peephole): Use
1878         optimize_insn_for_size_p instead of optimize_size.
1879         * config/i386/predicates.md (incdec_operand): Likewise.
1880         (aligned_operand): Likewise.
1881         * config/i386/sse.md (divv8sf3): Likewise.
1882         (sqrtv8sf2): Likewise.
1883
1884 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1885
1886         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1887
1888         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1889
1890 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1891
1892         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1893         ssemodesuffixf2c with avxmodesuffixf2c.
1894
1895 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1896
1897         PR c/40032
1898         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1899
1900 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1901
1902         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1903         (struct tree_base): Adjust spacing for 8 bit boundaries.
1904         (struct tree_decl_common): Add decl_by_reference_flag bit.
1905         (DECL_BY_REFERENCE): Adjust.
1906         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1907         print DECL_BY_REFERENCE bit.
1908         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1909         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1910         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1911         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1912         unconditionally.
1913
1914         PR middle-end/39666
1915         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1916         range of the type, but default label is missing, add it with one
1917         of the existing labels instead of adding a new label for it.
1918
1919 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1920
1921         * dwarf.h: Remove.
1922
1923 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1924
1925         * Makefile.in (enable_plugin, plugin_includedir): New.
1926         (install): Depend on install-plugin.
1927         (PLUGIN_HEADERS): New.
1928         (install-plugin): New.
1929         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1930
1931 2009-05-05  Richard Guenther  <rguenther@suse.de>
1932
1933         PR tree-optimization/40022
1934         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1935         the only vuse.
1936         (phivn_valid_p): Fix tuplification error, simplify.
1937         (phiprop_insert_phi): Add dumps.
1938         (propagate_with_phi): Simplify.
1939
1940 2009-05-05  Richard Guenther  <rguenther@suse.de>
1941
1942         PR middle-end/40023
1943         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1944
1945 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1946
1947         * tree.h (strip_float_extensions): Remove duplicate declaration.
1948         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1949         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1950         block_ultimate_origin): Rearrange the declarations line to match the
1951         comment that indicates the .c file which the functions are defined.
1952         (dwarf2out_*, set_decl_rtl): Add comment.
1953         (get_base_address): Adjust comment.
1954         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1955         declarations line and add comment.
1956         (is_builtin_name): Add blank after function name, for clarity.
1957
1958 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1959
1960         * attribs.c (decl_attributes): Use %qE for identifiers in
1961         diagnostics.
1962         * cgraphunit.c (verify_cgraph_node): Translate function names to
1963         locale character set in diagnostics.
1964         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1965         diagnostics.
1966         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1967         Document that functions are named in UTF-8.
1968         * expr.c (expand_expr_real_1): Translate function names to locale
1969         character set in diagnostics.
1970         * gimplify.c (omp_notice_variable, omp_is_private,
1971         gimplify_scan_omp_clauses): Use %qE for identifiers in
1972         diagnostics.
1973         * langhooks.c (lhd_print_error_function): Translate function names
1974         to locale character set.
1975         * langhooks.h (decl_printable_name): Document that return value is
1976         in internal character set.
1977         * stmt.c: Include pretty-print.h
1978         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1979         diagnostics.
1980         (resolve_operand_name_1): Translate named operand name to locale
1981         character set.
1982         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1983         diagnostics.
1984         * toplev.c (announce_function): Translate function names to locale
1985         character set.
1986         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1987         (default_tree_printer): Use pp_identifier or translate identifiers
1988         to locale character set.  Mark "<anonymous>" for translation.
1989         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
1990         for identifiers in diagnostics.
1991         * tree.c (handle_dll_attribute): Use %qE for identifiers in
1992         diagnostics.
1993         * varasm.c (output_constructor): Use %qE for identifiers in
1994         diagnostics.
1995
1996 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
1997
1998         * configure.ac: use ` ` instead of $()
1999         * configure: Regenerate.
2000
2001 2009-05-05  Ben Elliston  <bje@au.ibm.com>
2002
2003         * config/pa/linux-atomic.c: Eliminate conditional include of
2004         errno.h on non-LP64 systems to simplify build requirements.
2005
2006 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2007
2008         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
2009         diagnostics.
2010         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
2011         and pass value to identifier_to_locale.
2012         (warn_variable_length_array): Make name a tree.
2013         (grokdeclarator): Separate diagnostic texts for named and unnamed
2014         declarators.  Use %qE for named declarators.
2015         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
2016         diagnostics.
2017         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
2018         identifiers in diagnostics.
2019         * c-typeck.c (push_member_name, start_init): Pass identifiers to
2020         identifier_to_locale.  Mark "anonymous" strings for translation.
2021
2022 2009-05-04  Michael Eager <eager@eagercon.com>
2023
2024         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
2025         address for DImode/DFmode only if double-precision FP regs.
2026
2027 2009-05-04  Michael Eager <eager@eagercon.com>
2028
2029         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
2030         TARGET_SINGLE_FLOAT check.
2031
2032 2009-05-04  Michael Eager <eager@eagercon.com>
2033
2034         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
2035
2036 2009-05-04  Michael Eager <eager@eagercon.com>
2037
2038         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
2039         * config/rs6000/t-xilinx: New
2040
2041 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
2042
2043         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
2044         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
2045         * gcc/explow.c (memory_address): Use target hook.
2046         * gcc/targhooks.c (default_legitimize_address): New.
2047         * gcc/targhooks.h (default_legitimize_address): New.
2048         * gcc/target.h (legitimize_address): New.
2049         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
2050         (TARGET_INITIALIZER): Include it.
2051         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
2052
2053         * config/bfin/bfin-protos.h (legitimize_address): Remove.
2054         * config/bfin/bfin.c (legitimize_address): Remove.
2055         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
2056         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
2057         Remove.
2058         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
2059         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
2060
2061         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
2062         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
2063         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
2064         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
2065         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
2066         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
2067         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
2068         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
2069         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
2070         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
2071         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
2072         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
2073         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
2074         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
2075         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
2076         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
2077         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
2078         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
2079         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
2080         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
2081         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
2082         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
2083         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
2084
2085         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
2086         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
2087         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
2088         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
2089         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
2090         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
2091         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
2092         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
2093         (thumb_legitimize_address): Delete.
2094         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
2095         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
2096         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
2097         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
2098         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
2099         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
2100         Delete.
2101         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
2102         Delete.
2103
2104         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
2105         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
2106         * config/m32r/m32r.c (m32r_legitimize_address): New.
2107         * config/m68k/m68k.c (m68k_legitimize_address): New.
2108         * config/score/score.c (score_legitimize_address): Standardize.
2109         * config/score/score3.c (score3_legitimize_address): Standardize.
2110         * config/score/score3.h (score3_legitimize_address): Adjust.
2111         * config/score/score7.c (score7_legitimize_address): Standardize.
2112         * config/score/score7.h (score7_legitimize_address): Adjust.
2113         * config/sh/sh.c (sh_legitimize_address): New.
2114         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
2115
2116         * gcc/config/s390/s390.c (legitimize_address): Rename to...
2117         (s390_legitimize_address): ... this.
2118         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
2119         (sparc_legitimize_address): ... this.
2120         * gcc/config/i386/i386.c (legitimize_address): Rename to...
2121         (ix86_legitimize_address): ... this.
2122         * gcc/config/avr/avr.c (legitimize_address): Rename to...
2123         (avr_legitimize_address): ... this.
2124         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
2125         (mn10300_legitimize_address): ... this.
2126         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
2127         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
2128         (alpha_expand_mov): Adjust call.
2129
2130         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
2131         * config/spu/spu.c (spu_legitimize_address): Likewise.
2132         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
2133         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
2134
2135 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2136
2137         * intl.c (locale_encoding, locale_utf8): New.
2138         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
2139         * intl.h (locale_encoding, locale_utf8): Declare.
2140         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
2141         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
2142         New.
2143         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
2144         argument.
2145         (pp_tree_identifier): Define to call pp_base_tree_identifier.
2146         (pp_base_tree_identifier): Declare as function.
2147         (identifier_to_locale): Declare.
2148         * Makefile.in (pretty-print.o): Update dependencies.
2149         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
2150
2151 2009-05-04  Richard Guenther  <rguenther@suse.de>
2152
2153         PR middle-end/40015
2154         * builtins.c (fold_builtin_memory_op): Do not decay to element
2155         type if the size matches the whole array.
2156
2157 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2158
2159         * expmed.c (synth_mult): When trying out a shift, pass the result
2160         of a signed shift.
2161
2162 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2163
2164         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
2165         (shiftsub1_cost): New.
2166         (init_expmed): Compute shiftsub1_cost.
2167         (synth_mult): Optimize multiplications by constants of the form
2168         -(2^^m-1) for some constant positive integer m.
2169
2170 2009-05-03  Richard Guenther  <rguenther@suse.de>
2171
2172         PR c/39983
2173         * c-typeck.c (array_to_pointer_conversion): Do not built
2174         ADDR_EXPRs of arrays of pointer-to-element type.
2175         * c-gimplify.c (c_gimplify_expr): Revert change fixing
2176         up wrong ADDR_EXPRs after-the-fact.
2177         * c-common.c (strict_aliasing_warning): Strip pointer
2178         conversions for obtaining the original type.
2179         * builtins.c (fold_builtin_memset): Handle array types.
2180         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
2181         and array types
2182
2183 2009-05-03  Richard Guenther  <rguenther@suse.de>
2184
2185         PR middle-end/23329
2186         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
2187         Do not lose casts from array types with unknown extent to array
2188         types with known extent.
2189         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
2190         alias set compatibility.
2191
2192 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2193
2194         * flags.h (extra_warnings): Delete.
2195         * toplev.c (process_options): Handle Wuninitialized here.
2196         * opts.c (extra_warnings): Delete.
2197         (set_Wextra): Delete.
2198         (common_handle_option): -Wextra can be handled automatically.
2199         * c-opts.c (c_common_handle_option): Delete obsolete code.
2200         (c_common_post_options): Simplify comment.
2201         * common.opt (W): Add Var.
2202         (Wextra): Add Var.
2203         (Wuninitialized): Initialize to -1.
2204
2205 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
2206             Richard Guenther  <rguenther@suse.de>
2207
2208         * expr.c (get_def_for_expr): New function.
2209         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2210         SSA rather than trees.
2211         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
2212         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2213         
2214 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
2215
2216         * c-common.c (reswords): Add _Imaginary.
2217         * c-common.c (enum rid): Add RID_IMAGINARY.
2218
2219 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
2220
2221         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2222         Patch by Richard Guenther.
2223
2224 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
2225
2226         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2227         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2228         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2229         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
2230         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
2231         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
2232         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
2233         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
2234         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
2235         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
2236         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
2237         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
2238         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
2239         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
2240         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
2241         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
2242         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
2243         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
2244
2245 2009-05-02  Richard Guenther  <rguenther@suse.de>
2246
2247         PR tree-optimization/39940
2248         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
2249         doing so.
2250
2251 2009-05-02  Richard Guenther  <rguenther@suse.de>
2252
2253         PR middle-end/40001
2254         * tree-ssa.c (execute_update_addresses_taken): Properly check
2255         if we can mark a variable DECL_GIMPLE_REG_P.
2256         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
2257         back to the end of the function.
2258         (is_gimple_reg_type): Remove complex type special casing.
2259         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
2260         if not optimizing.
2261
2262 2009-05-02  Ben Elliston  <bje@au.ibm.com>
2263
2264         * doc/collect2.texi (Collect2): Document search path behaviour
2265         when configured with --with-ld.
2266
2267 2009-05-02  Jan Hubicka  <jh@suse.cz>
2268
2269         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
2270         parameter; update callers.
2271         (coalesce_cost_edge): EH edges are costier because they needs
2272         splitting even if not critical and even more costier when there are
2273         multiple EH predecestors.
2274
2275 2009-05-02  Jan Hubicka  <jh@suse.cz>
2276
2277         * except.c (remove_eh_handler_and_replace): Handle updating after
2278         removing TRY blocks.
2279
2280 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2281
2282         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2283
2284 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2285
2286         * varasm.c: Do not include c-pragma.h.
2287         * attribs.c: Do not incude c-common.h.
2288
2289 2009-05-01  Michael Matz  <matz@suse.de>
2290
2291         * calls.c (initialize_argument_information): Handle SSA names like
2292         decls with a non MEM_P DECL_RTL.
2293
2294 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2295
2296         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2297         * ipa-utils.c: Likewise.
2298         * ipa-type-escape.c: Likewise.
2299         * cgraphunit.c Do not include c-common.h.
2300         * ipa-pure-const.c: Likewise.
2301         * tree-if-conv.c: Likewise.
2302         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2303         * ipa-struct-reorg.c: Likewise.
2304         * tree-nomudflap.c: Likewise.
2305         * tree-ssa-structalias.c: Likewise.
2306
2307 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2308
2309         * store-motion.c: Many cleanups to make this pass a first-class
2310         citizen instead of an appendix to gcse load motion.  Add TODO list
2311         to make this pass faster/cleaner/better.
2312
2313         (struct ls_expr): Post gcse.c-split cleanups.
2314         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2315         "stores" field to "avail_stores".
2316         (pre_ldst_mems): Rename to store_motion_mems.
2317         (pre_ldst_table): Rename to store_motion_mems_table.
2318         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2319         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2320         (ldst_entry): Rename to st_expr_entry, update users.
2321         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2322         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2323         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2324         update caller.
2325         (first_ls_expr): Rename to first_st_expr, update users.
2326         (next_ls_expr): Rename to next_st_expr, update users.
2327         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2328         fields properly for store motion instead of names inherited from load
2329         motion in gcse.c.
2330         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2331         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2332         are done with it.
2333
2334         (ae_kill): Rename to st_kill, update users.
2335         (ae_gen): Rename to st_avloc, update users.
2336         (transp): Rename to st_transp, update users.
2337         (pre_insert_map): Rename to st_insert_map, update users.
2338         (pre_delete_map): Rename to st_delete_map, update users.
2339         (insert_store, build_store_vectors, free_store_memory,
2340         one_store_motion_pass): Update for abovementioned changes.
2341
2342         (gcse_subst_count, gcse_create_count): Remove.
2343         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2344         and "n_stores_created", local variables.
2345
2346         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2347         use for_each_rtx.
2348
2349         (regvec, compute_store_table_current_insn): Remove.
2350         (reg_set_info, reg_clear_last_set): Remove.
2351         (compute_store_table): Use DF caches instead of local dataflow
2352         solvers.
2353
2354 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2355
2356         * c-objc-common.c (c_tree_printer): Print identifiers with
2357         pp_identifier, not pp_string.  Mark "({anonymous})" for
2358         translation.
2359         * c-pretty-print.c (pp_c_ws_string): New.
2360         (pp_c_cv_qualifier, pp_c_type_specifier,
2361         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2362         pp_c_storage_class_specifier, pp_c_function_specifier,
2363         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2364         pp_c_primary_expression, pp_c_postfix_expression,
2365         pp_c_unary_expression, pp_c_shift_expression,
2366         pp_c_relational_expression, pp_c_equality_expression,
2367         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2368         use pp_string and pp_c_ws_string in place of pp_identifier and
2369         pp_c_identifier for non-identifiers.  Mark English strings for
2370         translation.
2371         * c-pretty-print.h (pp_c_ws_string): Declare.
2372
2373 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2374             Roland McGrath <roland@redhat.com>
2375
2376         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2377         (ENABLE_LD_BUILDID): New configuration option.
2378         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2379         (LINK_BUILDID_SPEC): New macro.
2380         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2381         link_spec.
2382         * doc/install.texi: Document --enable-linker-build-id option.
2383         * configure: Rebuild.
2384         * config.in: Rebuild.
2385
2386 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2387
2388         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2389         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2390         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2391         MIPS_GP_SAVE_AREA_SIZE.
2392         * config/mips/mips.c (struct mips_frame_info): Update comment
2393         before arg_pointer_offset and hard_frame_pointer_offset.
2394         (mips_compute_frame_info): Update diagram before function: to
2395         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2396         indicate the position of frame_pointer_rtx with -fstack-protector and
2397         to show args_size.  Don't allocate cprestore area for leaf functions
2398         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2399         cprestore_size.
2400         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2401
2402 2009-04-30  Michael Matz  <matz@suse.de>
2403
2404         PR tree-optimization/39955
2405         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2406
2407 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2408
2409         * ira.c (setup_cover_and_important_classes):  Use safe macro
2410         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2411         directly.
2412         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2413         REG_CLASS_FOR_CONSTRAINT.
2414
2415 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2416
2417         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2418         instead of an int.
2419         * bitmap.c (bitmap_descriptor): Likewise.
2420         * ggc-common.c (loc_descriptor): Likewise.
2421         * varray.c (varray_descriptor): Likewise.
2422         * vec.c (vec_descriptor): Likewise.
2423
2424 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2425
2426         * Makefile.in (dce.o): Add $(EXCEPT_H).
2427         * dce.c: Include except.h and delete redundant vector definitions.
2428         (deletable_insn_p): Return false for non-call insns that can throw
2429         if DF is running.
2430
2431 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2432
2433         * gcse.c (ae_gen): Remove.
2434         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2435         and make non-static function to make it available in store-motion.c.
2436         Update call sites with search-and-replace.
2437         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2438         extract_mentioned_regs, extract_mentioned_regs_helper,
2439         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2440         store_killed_in_insn, store_killed_after, store_killed_before,
2441         build_store_vectors, insert_insn_start_basic_block, insert-store,
2442         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2443         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2444         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2445         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2446         and clean up to remove parts not used by store motion.
2447         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2448         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2449
2450 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2451
2452         PR target/38571
2453         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2454         when optimizing for size.
2455
2456 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2457
2458         * gcse.c (gcse_constant_p): Fix typo in last change.
2459
2460 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2461
2462         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2463
2464 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2465
2466         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2467
2468 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2469
2470         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2471         CONST_HIGH_PART result.
2472
2473 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2474
2475         * config/avr/avr.c (initial_elimination_offset): Rename to
2476         avr_initial_elimination_offset.
2477         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2478         change return type to bool.
2479         (avr_can_eliminate): New function.
2480         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2481         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2482         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2483         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2484         avr_initial_elimination_offset.
2485         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2486         (avr_initial_elimination_offset): Define.
2487
2488 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2489             Steven Bosscher  <steven@gcc.gnu.org>
2490
2491         PR rtl-optimization/39938
2492         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2493         * cfgrtl.c: Include insn-attr.h.
2494         (rest_of_pass_free_cfg): New function.
2495         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2496         * resource.c (init_resource_info): Remove call to df_analyze.
2497
2498 2009-04-29  Richard Guenther  <rguenther@suse.de>
2499
2500         PR target/39943
2501         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2502         allow conversion to signed integers.
2503
2504 2009-04-29  Richard Guenther  <rguenther@suse.de>
2505
2506         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2507         shifts of floating point vectors if the shift amount is
2508         a constant multiple of the element size.
2509
2510 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2511             Michael Matz  <matz@suse.de>
2512
2513         PR middle-end/39927
2514         PR bootstrap/39929
2515         * tree-outof-ssa.c (emit_partition_copy): New function.
2516         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2517         insert_part_to_rtx_on_edge): Perform the partition base var
2518         copy using emit_partition_copy.
2519         (insert_value_copy_on_edge): Convert constants to the right mode.
2520         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2521         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2522
2523 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2524
2525         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2526         scan backwards to try to find a constant to initialize it.
2527
2528         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2529         insn before the loop_end instruction, don't look past labels.
2530
2531 2009-04-29  Richard Guenther  <rguenther@suse.de>
2532
2533         PR middle-end/39937
2534         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2535         loose type conversions.
2536         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2537         stmts only if there are no uses of its definition.
2538
2539 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2540
2541         * config/bfin/bfin.h (splitting_loops): Declare.
2542         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2543         Reorder bit definitions to be ascending.
2544         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2545         * config/bfin/bfin.c (splitting_loops): New variable.
2546         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2547         (struct loop_info): Remove members INIT and LOOP_INIT.
2548         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2549         the LSETUP sequence.  Allow LC to be loaded from any register, but
2550         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2551         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2552         set to 1.
2553         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2554         of reload_completed.
2555
2556         From Jie Zhang:
2557         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2558
2559 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2560
2561         * Makefile.in (PLUGIN_VERSION_H): New.
2562         (OBJS-common): Remove plugin-version.o.
2563         (plugin.o): Depend on (PLUGIN_VERSION_H).
2564         (plugin-version.o): Remove.
2565         * configure: Regenerate
2566         * configure.ac: Create plugin-version.h.
2567         * gcc-plugin.h (plugin_gcc_version): Remove.
2568         (plugin_default_version_check): Change signature.
2569         * plugin-version.c: Remove.
2570         * plugin.c: Include plugin-version.h.
2571         (str_plugin_gcc_version_name): Remove.
2572         (try_init_one_plugin): Pass gcc version to plugin_init.
2573         (plugin_default_version_check): Both gcc and plugin versions are now
2574         arguments.
2575
2576 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2577         
2578         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2579         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2580         Remove special case testing for last insn of inner loops. Don't fail
2581         if the loop ends with a jump, emit an extra nop instead.
2582
2583         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2584         DREGS rather than comparing directly.  Remove code that tries to
2585         account for latencies.
2586
2587 2009-04-29  Richard Guenther  <rguenther@suse.de>
2588
2589         PR tree-optimization/39941
2590         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2591         eliminating an indirect call.
2592
2593 2009-04-29  Richard Guenther  <rguenther@suse.de>
2594
2595         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2596         parameter.  Allow invariants as base if !require_lvalue.
2597         (verify_gimple_assign_single): Adjust.
2598
2599 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2600
2601         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2602         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2603         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2604         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2605         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2606         a VEC_SELECT.
2607         * config/bfin/bfin.c (bfin_expand_builtin,
2608         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2609
2610 2009-04-28  Richard Guenther  <rguenther@suse.de>
2611
2612         * tree-vect-loop.c (get_initial_def_for_induction): Use
2613         correct types for pointer increment.
2614
2615 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2616
2617         * toplev.c (print_version): Update GMP version string calculation.
2618
2619 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2620
2621         PR rtl-optimization/39938
2622         * resource.c (init_resource_info): Add call to df_analyze.
2623
2624 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2625
2626         * config/alpha/alpha.md (usegp): Cast the result of
2627         alpha_find_lo_sum_using_gp to enum attr_usegp.
2628         * config/alpha/alpha.c (override_options): Remove end-of-structure
2629         marker element from cpu_table.  Use array size of cpu_table to handle
2630         -mcpu and -mtune options.
2631         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2632
2633 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2634
2635         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2636         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2637         tune_32 and tune_64.
2638         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2639         support on PowerPC.
2640         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2641         * config/rs6000/option-defaults.h: ... here.  New file.
2642         (OPT_64, OPT_32): Define.
2643         (MASK_64BIT): Define to 0 if not already defined.
2644         (OPT_ARCH64, OPT_ARCH32): Define.
2645         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2646         and tune_64.
2647
2648 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2649
2650         * config/arm/arm.c (arm_override_options): Emit error on using
2651         fpa with AAPCS.
2652
2653 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2654
2655         PR rtl-optimization/39914
2656         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2657         registers for allocnos created from user-defined variables only
2658         when not optimizing.
2659
2660 2009-04-28  Richard Guenther  <rguenther@suse.de>
2661
2662         PR middle-end/39937
2663         * fold-const.c (fold_binary): Use distribute_real_division only
2664         on float types.
2665
2666 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2667
2668         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2669         add hpux-stdint.h to tm_file.
2670         (hppa[12]*-*-hpux11*): Ditto.
2671         (ia64*-*-hpux*): Ditto.
2672         * config/hpux-stdint.h: New.
2673         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2674         __STDC_EXT__ for all compiles.
2675         * config/pa/pa-hpux.h: Ditto.
2676         * config/pa/pa-hpux10.h: Ditto.
2677         * config/pa/pa-hpux11.h: Ditto.
2678
2679 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2680
2681         * debug.h (set_name): Add comment.
2682
2683 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2684
2685         PR target/39929
2686         * config/darwin.c (machopic_gen_offset): Check
2687         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2688         * config/arm/arm.c (require_pic_register): Likewise.
2689
2690 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2691
2692         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2693         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2694         m32c_promote_prototypes): Delete.
2695
2696 2009-04-28  Michael Matz  <matz@suse.de>
2697
2698         PR middle-end/39922
2699         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2700         constants.
2701
2702 2009-04-28  Richard Guenther  <rguenther@suse.de>
2703
2704         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2705
2706 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2707
2708         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2709         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2710         * config/arm/arm-tune.md: Regenerate.
2711
2712 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2713
2714         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2715         block if there are complex incoming edges.
2716         (sel_merge_blocks): Remove useless assert.
2717         (sel_redirect_edge_and_branch): Check that edge was redirected.
2718         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2719         (sel_find_rgns): Delete declaration.
2720         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2721         the region when it is not a preheader.
2722
2723 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2724
2725         PR c/39323
2726         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2727
2728 2009-04-28  Richard Guenther  <rguenther@suse.de>
2729
2730         * tree.h (SSA_NAME_VALUE): Remove.
2731         (struct tree_ssa_name): Remove value_handle member.
2732         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2733         array for jump threading.
2734         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2735         SSA_NAME_VALUEs.
2736         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2737         * tree-flow.h (threadedge_initialize_values): Declare.
2738         (threadedge_finalize_values): Likewise.
2739         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2740         (SSA_NAME_VALUE): Define.
2741         (threadedge_initialize_values): New function.
2742         (threadedge_finalize_values): Likewise.
2743         * tree-ssa-dom.c (ssa_name_values): New global variable.
2744         (SSA_NAME_VALUE): Define.
2745         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2746
2747 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2748
2749         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2750         Use REPORT_VECTORIZED_LOCATIONS instead 
2751         REPORT_VECTORIZED_LOOPS.
2752         * tree-vectorizer.c (vect_verbosity_level): Make static.
2753         (vect_loop_location): Rename to vect_location.
2754         (vect_set_verbosity_level): Update comment.
2755         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2756         and vect_location.
2757         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2758         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2759         instead REPORT_UNVECTORIZED_LOOPS.
2760         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2761         and vect_loop_def to vect_external_def and vect_internal_def.
2762         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2763         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2764         REPORT_UNVECTORIZED_LOCATIONS.
2765         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2766         and vect_used_in_loop and to vect_unused_in_scope and 
2767         vect_used_in_scope.
2768         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2769         (vect_verbosity_level): Remove declaration.
2770         (vect_analyze_operations): Likewise.
2771         (vect_analyze_stmt): Declare.
2772         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2773         REPORT_UNVECTORIZED_LOCATIONS.
2774         (vect_get_loop_niters): Fix indentation.
2775         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2776         (vect_analyze_loop_operations): New function.
2777         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2778         vect_analyze_operations.
2779         (vect_is_simple_reduction): Use new names.
2780         (vectorizable_live_operation, vect_transform_loop): Likewise.
2781         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2782         to specify whether the data references can be a part of interleaving
2783         chain.
2784         (vect_analyze_data_ref_dependence): Use new names.
2785         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2786         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2787         * tree-vect-patterns.c (widened_name_p): Use new names.
2788         (vect_recog_dot_prod_pattern): Likewise.
2789         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2790         (process_use, vect_mark_stmts_to_be_vectorized, 
2791         vect_model_simple_cost, vect_model_store_cost,
2792         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2793         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2794         vectorizable_operation, vectorizable_type_demotion,
2795         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2796         vectorizable_condition): Likewise.
2797         (vect_analyze_operations): Split into vect_analyze_loop_operations
2798         and ...
2799         (vect_analyze_stmt): ... new function.
2800         (new_stmt_vec_info): Use new names.
2801         (vect_is_simple_use): Use new names and fix comment.
2802         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2803         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2804
2805 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2806
2807         PR target/39911
2808         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2809         and integer modes for x87 operands.  Do not ICE for unsupported size,
2810         generate error instead.  Generate error for unsupported operand types.
2811         ['z']: Do not handle HImode memory operands specially.  Warning
2812         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2813         types.  Do not ICE for unsupported size, generate error instead.
2814         (output_387_binary_op): Use %Z to output operands.
2815         (output_fp_compare): Ditto.
2816         (output_387_reg_move): Ditto.
2817
2818 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2819
2820         PR c++/35652
2821         Revert:
2822
2823         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2824
2825         * builtins.c (c_strlen): Do not warn here.
2826         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2827         * c-common.c (pointer_int_sum): Take an explicit location.
2828         Warn about offsets out of bounds.
2829         * c-common.h (pointer_int_sum): Adjust declaration.
2830
2831 2009-04-27  Ian Lance Taylor  <iant@google.com>
2832
2833         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2834         names to symkind.
2835         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2836         * df-core.c (df_set_flags): Change return type to int.  Change
2837         type of old_flags to int.
2838         (df_clear_flags): Likewise.
2839         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2840         (df_get_conditional_uses): Likewise.
2841         * df.h (df_set_flags, df_clear_flags): Update declarations.
2842         * dwarf2out.c (struct indirect_string_node): Change type of form
2843         field to enum dwarf_form.
2844         (AT_string_form): Change return type to enum dwarf_form.
2845         * fixed-value.c (fixed_compare): Add cast to enum type.
2846         * fwprop.c (update_df): Change 0 to VOIDmode.
2847         * gensupport.c: Change 0 to UNKNOWN.
2848         * gimple.h (gimple_cond_code): Add cast to enum type.
2849         * haifa-sched.c (reemit_notes): Add cast to enum type.
2850         * hooks.c (hook_int_void_no_regs): Remove function.
2851         * hooks.h (hook_int_void_no_regs): Remove declaration.
2852         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2853         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2854         * real.c (real_arithmetic): Add cast to enum type.
2855         (real_compare): Likewise.
2856         * target.h (struct gcc_target): Change return type of
2857         branch_target_register_class to enum reg_class.
2858         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2859         default_branch_target_register_class.
2860         * targhooks.c (default_branch_target_register_class): New function.
2861         * targhooks.h (default_branch_target_register_class): Declare.
2862         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2863         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2864         cast to int.
2865         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2866         ERROR_MARK.
2867         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2868         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2869         * tree-vect-stmts.c (supportable_widening_operation): Don't
2870         initialize icode1 and icode2.
2871         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2872         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2873         and to STD_C89.
2874         (cmn_err_flag_specs): Change 0 to STD_C89.
2875         (cmn_err_char_table): Likewise.
2876         * config/arm/arm.c (get_arm_condition_code): Change type of code
2877         to enum arm_cond_code.
2878         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2879         (IWMMXT_BUILTIN2): Likewise.
2880         (neon_builtin_type_bits): Don't define typedef.
2881         (neon_builtin_datum): Change type of bits field to int.
2882         (arm_expand_neon_args): Add cast to enum type.
2883         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2884         TLS_MODEL_NONE.
2885         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2886         casts to enum type.
2887         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2888         MIPS_FP_COND_f.
2889         * config/mips/mips.md (jal_macro): Return enum constant.
2890         (single_insn): Likewise.
2891         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2892         CODE_FOR_nothing.
2893         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2894         casts to enum type.
2895         * config/s390/s390.c (s390_tune_flags): Change type to int.
2896         (s390_arch_flags): Likewise.
2897         (s390_handle_arch_option): Change flags field of struct pta to int.
2898         * config/s390/s390.h (s390_tune_flags): Update declaration.
2899         (s390_arch_flags): Likewise.
2900         * config/sh/sh.c (prepare_move_operands): Compare
2901         tls_symbolic_operand result with enum constant.
2902         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2903         (sh_expand_prologue): Add cast to enum type.
2904         (sh_expand_epilogue): Likewise.
2905         (tls_symbolic_operand): Change return type to enum tls_model.
2906         (fpscr_set_from_mem): Add cast to enum type.
2907         (legitimize_pic_address): Compare tls_symbolic_operand result with
2908         enum constant.
2909         (sh_target_reg_class): Change return type to enum reg_class.
2910         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2911         PROCESSOR_xxx.
2912         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2913         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2914         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2915         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2916         (delayed_branch, tls_call_delay): Likewise.
2917         (eligible_for_sibcall_delay): Likewise.
2918         (eligible_for_return_delay): Likewise. 
2919         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2920         (spu_expand_builtin_1): Likewise.
2921
2922         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2923         for all types of conversions.
2924         (output_init_element): Issue -Wc++-compat warning if needed when
2925         initializing a bitfield with enum type.
2926         * c-parser.c (c_parser_expression): Set original_type to
2927         original_type of right hand operand of comman operator.
2928
2929 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2930
2931         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2932         grammar nits.
2933         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2934         * doc/cpp.texi (Standard Predefined Macros)
2935         (Implementation-defined behavior): Likewise.
2936         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2937         * doc/gimple.texi (GIMPLE Exception Handling)
2938         (@code{GIMPLE_ASSIGN}): Likewise.
2939         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2940         * doc/invoke.texi (Warning Options, Optimize Options)
2941         (AVR Options, Darwin Options): Likewise.
2942         (Optimize Options): Reformulate -fwhole-program description.
2943         * doc/loop.texi (Lambda): Likewise.
2944         * doc/md.texi (Output Template, Define Constraints)
2945         (Standard Names, Insn Splitting): Likewise.
2946         * doc/options.texi (Option properties): Likewise.
2947         * doc/passes.texi (Tree-SSA passes): Likewise.
2948         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2949         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2950         (File Names and DBX): Likewise.
2951         * doc/trouble.texi (Incompatibilities): Likewise.
2952
2953 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2954
2955         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2956         instruction is correct.
2957
2958 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2959
2960         Allow non-constant arguments to conversion intrinsics.
2961         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2962         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2963         * spu.c (print_operand): Handle 'v' and 'w'.
2964         (exp2_immediate_p, spu_gen_exp2): Define.
2965         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2966         spu_convtf_1): Update parameter descriptions.
2967         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2968         * constraints.md ('v', 'w'): New.
2969         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2970         Remove.
2971         (i2f, I2F): New define_mode_attr.
2972         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2973         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2974         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2975         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2976         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2977         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2978         patterns for combine.
2979
2980 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2981
2982         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2983         (cprop, hoist, pre, store_motion): New debug counters.
2984         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2985         is not an RTL pass anymore.
2986         (pass_profiling): Remove extern decl for pass removed in 2005.
2987         (pass_gcse, pass_jump_bypass): Remove.
2988         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2989         to 0 for clean state.
2990         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
2991         * cse.c (gate_handle_cse_after_global_opts,
2992         rest_of_handle_cse_after_global_opts): New functions.
2993         (pass_cse_after_global_opts): New pass, does local CSE.
2994         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
2995         (TV_CPROP): New timevar.
2996         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
2997         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
2998         (gcse_main, recompute_all_luids): Remove.
2999         (compute_hash_table_work): Call max_reg_num instead of reading
3000         max_gcse_regno.
3001         (cprop_jump): Don't set run_jump_opt_after_gcse.
3002         (constprop_register): Always allow to alter jumps.
3003         (cprop_insn): Likewise.
3004         (do_local_cprop): Likewise.
3005         (local_cprop_pass): Likewise.  Return non-zero if something changed.
3006         (cprop): Remove function, fold interesting bits into one_cprop_pass.
3007         (find_implicit_sets): Add note about missed optimization opportunity.
3008         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
3009         pass_rtl_cprop execute function.
3010         Don't bother tracking the pass number, each pass gets its own dumpfile
3011         now anyway.
3012         Always allow to alter jumpsand bypass jumps.
3013         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
3014         will just find no suitable set.
3015         (pre_edge_insert): Fix dumping, this function is for PRE only.
3016         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
3017         pass_rtl_pre execute function.
3018         (hoist_code): Return non-zero if something changed.  Keep track of
3019         substitutions and insertions for statistics gathering similar to PRE.
3020         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
3021         called from the pass_rtl_hoist execute function.  Show pass statistics.
3022         (compute_store_table): Use max_reg_num directly instead of using the
3023         formerly global max_gcse_regno.
3024         (build_store_vectors): Likewise.
3025         (replace_store_insn): Fix dumping.
3026         (store_motion): Rename to ...
3027         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
3028         pass, called from the pass_rtl_store_motion execute function.  Keep
3029         track of substitutions and insertions for statistics gathering similar
3030         to PRE.
3031         (bypass_jumps): Remove, fold interesting bits into ...
3032         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
3033         from the pass_rtl_cprop execute function.
3034         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3035         pass_jump_bypass): Remove.
3036         (gate_handle_gcse, rest_of_handle_gcse): Remove.
3037         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
3038         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
3039         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
3040         (gate_rtl_store_motion, execute_rtl_store_motion,
3041         pass_rtl_store_motion): New.
3042         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
3043         make it clear that -fcse-skip-blocks is a no-op for backward compat.
3044         * passes.c (init_optimization_passes): Remove pass_gcse and
3045         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
3046         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
3047         instead of pass_jump_bypass.
3048
3049 2009-04-27  Richard Guenther  <rguenther@suse.de>
3050
3051         PR middle-end/39928
3052         * gimplify.c (gimplify_expr): If we are required to create
3053         a temporary make sure it ends up as register.
3054
3055 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3056
3057         PR target/39903
3058         * config/i386/i386.c (construct_container): Don't call
3059         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
3060         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
3061
3062 2009-04-27  Michael Matz  <matz@suse.de>
3063
3064         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
3065         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
3066         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
3067         (dump_replaceable_exprs): Take a bitmap.
3068         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
3069         array.
3070         (expand_gimple_basic_block): Likewise.
3071         * tree-ssa-ter.c (struct temp_expr_table_d): Make
3072         replaceable_expressions member a bitmap.
3073         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
3074         (mark_replaceable): Likewise.
3075         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
3076         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
3077
3078 2009-04-27  Richard Guenther  <rguenther@suse.de>
3079
3080         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
3081         (verify_stmts): Dispatch to gimple/type verification code.
3082         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
3083         issue with call argument types.
3084
3085 2009-04-27  Michael Matz  <matz@suse.de>
3086
3087         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
3088         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
3089         to above.
3090
3091 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
3092             Eric Botcazou  <ebotcazou@adacore.com>
3093
3094         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
3095         a label's basic block.
3096         (mark_target_live_regs): Tidy and rework obsolete comments.
3097         Change back DF problem to LIVE.  If a label starts a basic block,
3098         assume that all registers that used to be live then still are.
3099         (init_resource_info): If a label starts a basic block, set its
3100         BLOCK_FOR_INSN accordingly.
3101         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
3102
3103 2009-04-27  Richard Guenther  <rguenther@suse.de>
3104
3105         * tree-flow-inline.h (function_ann): Remove.
3106         (get_function_ann): Likewise.
3107         * tree-dfa.c (create_function_ann): Remove.
3108         * tree-flow.h (struct static_var_ann_d): Remove.
3109         (struct function_ann_d): Likewise.
3110         (union tree_ann_d): Remove fdecl member.
3111         (function_ann_t): Remove.
3112         (function_ann, get_function_ann, create_function_ann): Remove
3113         declarations.
3114
3115 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
3116
3117         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
3118
3119 2009-04-27  Jan Hubicka  <jh@suse.cz>
3120
3121         * ipa-pure-const.c (struct funct_state_d): New fields
3122         state_previously_known, looping_previously_known; remove
3123         state_set_in_source.
3124         (analyze_function): Use new fields.
3125         (propagate): Avoid assumption that state_set_in_source imply
3126         nonlooping.
3127
3128         * tree-ssa-loop-niter.c (finite_loop_p): New function.
3129         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
3130         * cfgloop.h (finite_loop_p): Declare.
3131
3132 2009-04-26  Michael Matz  <matz@suse.de>
3133
3134         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
3135
3136 2009-04-26  Michael Matz  <matz@suse.de>
3137
3138         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
3139         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
3140         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
3141         pass_mark_used_blocks): Remove.
3142         * tree-optimize.c (pass_free_datastructures,
3143         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
3144         * passes.c (init_optimization_passes): Don't call
3145         pass_mark_used_blocks, remove dead code.
3146
3147 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
3148
3149         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
3150         * tree-ssa-live.h (register_ssa_partition): Likewise.
3151
3152 2009-04-26  Michael Matz  <matz@suse.de>
3153
3154         Expand from SSA.
3155         * builtins.c (fold_builtin_next_arg): Handle SSA names.
3156         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
3157         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
3158         SSA names. 
3159         (compare_pairs): Swap cost comparison.
3160         (coalesce_ssa_name): Don't use change_partition_var.
3161         * tree-nrv.c (struct nrv_data): Add modified member.
3162         (finalize_nrv_r): Set it.
3163         (tree_nrv): Use it to update statements.
3164         (pass_nrv): Require PROP_ssa.
3165         * tree-mudflap.c (mf_decl_cache_locals,
3166         mf_build_check_statement_for): Use make_rename_temp.
3167         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
3168         * alias.c (find_base_decl): Handle SSA names.
3169         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
3170         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
3171         * rtl.h (set_reg_attrs_for_parm): Declare.
3172         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
3173         to "optimized", remove unused locals at finish.
3174         (execute_free_datastructures): Make global, call
3175         delete_tree_cfg_annotations.
3176         (execute_free_cfg_annotations): Don't call
3177         delete_tree_cfg_annotations.
3178
3179         * ssaexpand.h: New file.
3180         * expr.c (toplevel): Include ssaexpand.h.
3181         (expand_assignment): Handle SSA names the same as register variables.
3182         (expand_expr_real_1): Expand SSA names.
3183         * cfgexpand.c (toplevel): Include ssaexpand.h.
3184         (SA): New global variable.
3185         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
3186         (SSAVAR): New macro.
3187         (set_rtl): New helper function.
3188         (add_stack_var): Deal with SSA names, use set_rtl.
3189         (expand_one_stack_var_at): Likewise.
3190         (expand_one_stack_var): Deal with SSA names.
3191         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
3192         before unique numbers.
3193         (expand_stack_vars): Use set_rtl.
3194         (expand_one_var): Accept SSA names, add asserts for them, feed them
3195         to above subroutines.
3196         (expand_used_vars): Expand all partitions (without default defs),
3197         then only the local decls (ignoring those expanded already).
3198         (expand_gimple_cond): Remove edges when jumpif() expands an
3199         unconditional jump.
3200         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
3201         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
3202         SSA name.
3203         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
3204         members of SA; deal with PARM_DECL partitions here; expand
3205         all PHI nodes, free tree datastructures and SA.  Commit instructions
3206         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
3207         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
3208         info and statements at start, collect garbage at finish.
3209         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3210         (VAR_ANN_PARTITION) Remove.
3211         (change_partition_var): Don't declare.
3212         (partition_to_var): Always return SSA names.
3213         (var_to_partition): Only accept SSA names.
3214         (register_ssa_partition): Only check argument.
3215         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3216         member.
3217         (delete_var_map): Don't free it.
3218         (var_union): Only accept SSA names, simplify.
3219         (partition_view_init): Mark only useful SSA names as used.
3220         (partition_view_fini): Only deal with SSA names.
3221         (change_partition_var): Remove.
3222         (dump_var_map): Use ssa_name instead of partition_to_var member.
3223         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3224         basic blocks.
3225         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3226         (struct _elim_graph): New member const_dests; nodes member vector of
3227         ints.
3228         (set_location_for_edge): New static helper.
3229         (create_temp): Remove.
3230         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
3231         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
3232         (new_elim_graph): Allocate const_dests member.
3233         (clean_elim_graph): Truncate const_dests member.
3234         (delete_elim_graph): Free const_dests member.
3235         (elim_graph_size): Adapt to new type of nodes member.
3236         (elim_graph_add_node): Likewise.
3237         (eliminate_name): Likewise.
3238         (eliminate_build): Don't take basic block argument, deal only with
3239         partition numbers, not variables.
3240         (get_temp_reg): New static helper.
3241         (elim_create): Use it, deal with RTL temporaries instead of trees.
3242         (eliminate_phi): Adjust all calls to new signature.
3243         (assign_vars, replace_use_variable, replace_def_variable): Remove.
3244         (rewrite_trees): Only do checking.
3245         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
3246         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
3247         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
3248         contains_tree_r, MAX_STMTS_IN_LATCH,
3249         process_single_block_loop_latch, analyze_edges_for_bb,
3250         perform_edge_inserts): Remove.
3251         (expand_phi_nodes): New global function.
3252         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
3253         functions, initialize new parameter, remember partitions having a
3254         default def.
3255         (finish_out_of_ssa): New global function.
3256         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
3257         don't reset in_ssa_p here, don't disable TER when mudflap.
3258         (pass_del_ssa): Remove.
3259         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
3260         partition members.
3261         (execute_free_datastructures): Declare.
3262         * Makefile.in (SSAEXPAND_H): New variable.
3263         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
3264         * basic-block.h (commit_one_edge_insertion): Declare.
3265         * passes.c (init_optimization_passes): Move pass_nrv and
3266         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
3267         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
3268         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
3269         (redirect_branch_edge): Deal with super block when expanding, split
3270         out jump patching itself into ...
3271         (patch_jump_insn): ... here, new static helper.
3272
3273 2009-04-26  Michael Matz  <matz@suse.de>
3274
3275         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
3276         beyond num_ssa_names.
3277         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
3278         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
3279
3280 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3281
3282         PR inline-asm/39543
3283         * fwprop.c (forward_propagate_asm): New function.
3284         (forward_propagate_and_simplify): Propagate also into __asm, if it
3285         doesn't increase the number of referenced registers.
3286
3287         PR c/39889
3288         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3289
3290 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3291
3292         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3293         note_nonlocal_vla_type for nonlocal VLAs.
3294         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3295         contains_remapped_vars, remap_vla_decls): New functions.
3296         (convert_nonlocal_reference_stmt): If not optimizing, call
3297         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3298         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3299         if it wasn't found in var_map.
3300         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
3301         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3302         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3303         declare_vars.
3304         * gimplify.c (nonlocal_vlas): New variable.
3305         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3306         referenced VLAs.
3307         (gimplify_body): Create and destroy nonlocal_vlas.
3308
3309         * dwarf2out.c (loc_descr_plus_const): New function.
3310         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3311         mem_loc_descriptor, loc_descriptor_from_tree_1,
3312         descr_info_loc, gen_variable_die): Use it.
3313
3314         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3315         !TREE_STATIC VAR_DECLs.
3316         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3317         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3318         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3319         DECL_BY_REFERENCE is valid.
3320         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3321         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3322         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3323         Copy DECL_BY_REFERENCE.
3324         (struct nesting_copy_body_data): New type.
3325         (nesting_copy_decl): New function.
3326         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3327         if they have variable length.
3328
3329 2009-04-26  Michael Matz  <matz@suse.de>
3330
3331         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3332         mark new temporaries for renaming.
3333
3334 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3335
3336         PR c/39581
3337         * c-decl.c (global_bindings_p): Return negative value.
3338         (c_variable_size): New.  Based on variable_size from
3339         stor-layout.c.
3340         (grokdeclarator): Call c_variable_size not variable_size.
3341
3342 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3343
3344         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3345
3346 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3347
3348         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3349         Redefine it to just use mingw/include.
3350         (ASM_SPEC): Rules for -m32 and -m64.
3351         (LINK_SPEC): Use Likewise.
3352         (SPEC_32): New define.
3353         (SPEC_64): Likewise.
3354         (SUB_LINK_SPEC): Likewise.
3355         (MULTILIB_DEFAULTS): New define.
3356         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3357         Add multilib options.
3358         (MULTILIB_DIRNAMES): Likewise.
3359         (MULTILIB_OSDIRNAMES): Likewise.
3360         (LIBGCC): Likewise.
3361         (INSTALL_LIBGCC): Likewise.
3362
3363 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3364
3365         PR c/39556
3366         * c-tree.h (enum c_inline_static_type): New.
3367         (record_inline_static): Declare.
3368         * c-decl.c (struct c_inline_static, c_inline_statics,
3369         record_inline_static, check_inline_statics): New.
3370         (pop_file_scope): Call check_inline_statics.
3371         (start_decl): Call record_inline_static instead of pedwarning
3372         directly for static in inline function.
3373         * c-typeck.c (build_external_ref): Call record_inline_static
3374         instead of pedwarning directly for static referenced in inline
3375         function.
3376
3377 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3378
3379         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3380         not new but only being rescanned.
3381         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3382         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3383         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3384         record_set_info, compute_set, grealloc): Remove.
3385         (recompute_all_luids): New function.
3386         (gcse_main): Don't compute sets, and don't do related memory
3387         allocations/free-ing.  If something changed before the end of the
3388         pass, update LUIDs using recompute_all_luids.
3389         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3390         (free_gcse_mem): Don't free it either.
3391         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3392         Use the df insn LUIDs.
3393         (load_killed_in_block): Likewise.
3394         (compute_hash_table_work): Don't compute reg_set_in_block.
3395         (compute_transp): Use DF_REG_DEF_CHAINs.
3396         (local_cprop_pass): Don't use compute_sets and related functions.
3397         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3398         Use get_max_uid() instead of max_cuid.
3399         (insert_insn_end_basic_block, pre_insert_copy_insn,
3400         update_ld_motion_stores): Don't try to
3401         keep reg_set tables up to date.
3402         (pre_insert_copies): Use df insn LUIDs.
3403         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3404         (reg_set_info): Don't use extra bitmap argument.
3405         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3406         information to compute regs_set_in_block.
3407         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3408         (bypass_jumps): Don't use compute_sets and friends.
3409
3410 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3411
3412         PR testsuite/39710
3413         * opts.c (undocumented_msg): Do not leave blank even with
3414         ENABLE_CHECKING.
3415
3416 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3417
3418         * c-decl.c (build_enumerator): Allow values folding to integer
3419         constants but not integer constant expressions with a pedwarn if
3420         pedantic.
3421
3422 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3423
3424         PR c/39582
3425         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3426         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3427         type is an integer constant.
3428
3429 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3430
3431         PR target/39897
3432         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3433         HImode operands.
3434
3435 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3436
3437         PR c/39564
3438         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3439         with variably modified return type and no storage class
3440         specifiers, except for the case of nested functions.  Distinguish
3441         extern declarations of functions with variably modified return
3442         types from those of objects with variably modified types.
3443
3444 2009-04-25  Jan Hubicka  <jh@suse.cz>
3445
3446         * tree.c (list_equal_p): New function.
3447         * tree.h (list_equal_p): Declare.
3448         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3449         basic_block_def, basic_block, const_basic_block): New.
3450         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3451         (redirect_eh_edge): New function.
3452         (make_eh_edge_update_phi): EH edges are not abnormal.
3453         * except.c: Include tree-flow.h.
3454         (list_match): New function.
3455         (eh_region_replaceable_by_p): New function.
3456         (replace_region): New function.
3457         (hash_type_list): New function.
3458         (hash_eh_region): New function.
3459         (eh_regions_equal_p): New function.
3460         (merge_peers): New function.
3461         (remove_unreachable_regions): Verify EH tree when checking;
3462         merge peers.
3463         (copy_eh_region_1): New function.
3464         (copy_eh_region): New function.
3465         (push_reachable_handler): New function.
3466         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3467         regions without label but with live RESX.
3468         * except.h (redirect_eh_edge_to_label): New.
3469         * tree-flow.h (redirect_eh_edge): New.
3470         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3471         basic_block_def, basic_block, const_basic_block): Remove.
3472         * Makefile.in (except.o): Add dependency on tree-flow.h
3473         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3474         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3475         Remove.
3476
3477 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3478
3479         PR bootstrap/39645
3480         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3481         on the destination of memcpy.
3482
3483 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3484
3485         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3486         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3487         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3488
3489 2009-04-25  Jan Hubicka  <jh@suse.cz>
3490
3491         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3492         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3493         to be reached by different label than left.
3494         (update_eh_edges): Update comment; remove edge_to_remove if possible
3495         and return true if suceeded.
3496         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3497         (cleanup_eh): Compute sharing map.
3498         * except.c (remove_eh_handler_and_replace): Add argument if we should
3499         update regions.
3500         (remove_unreachable_regions): Update for label sharing.
3501         (label_to_region_map): Likewise.
3502         (get_next_region_sharing_label): New function.
3503         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3504         prev_try pointers.
3505         (remove_eh_handler): Update.
3506         (remove_eh_region_and_replace_by_outer_of): New function.
3507         * except.h (struct eh_region): Add next_region_sharing_label.
3508         (remove_eh_region_and_replace_by_outer_of,
3509         get_next_region_sharing_label): Declare.
3510         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3511
3512 2009-04-25  Jan Hubicka  <jh@suse.cz>
3513
3514         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3515         insert code even if they are not critical.
3516
3517 2009-04-25  Jan Hubicka  <jh@suse.cz>
3518
3519         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3520         (gimple_can_remove_branch_p): EH edges won't remove branch by
3521         redirection.
3522         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3523         updating of non-abnormal EH edges.
3524         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3525         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3526         (split_critical_edges): Split also edges where emitting code on them
3527         will lead to splitting later.
3528
3529 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3530             H.J. Lu  <hongjiu.lu@intel.com>
3531
3532         PR target/39590
3533         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3534         the configured assembler supports fildq and fistpq mnemonics.
3535         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3536         * configure: Regenerated.
3537         * config.in: Ditto.
3538
3539         * config/i386/i386.c (print_operand): Handle 'Z'.
3540         ['z']: Remove handling of special fild/fist suffixes.
3541         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3542         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3543         suffix of fild insn.
3544         (*floatsi<mode>2_vector_mixed): Ditto.
3545         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3546         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3547         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3548         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3549         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3550
3551 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3552  
3553         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3554         the source of a set operation.
3555
3556 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3557
3558         * target.h (struct gcc_target): Add case_values_threshold field.
3559         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3560         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3561         * targhooks.c (default_case_values_threshold): New function.
3562         * targhooks.h (default_case_values_threshold): Declare function.
3563         * stmt.c (expand_case): Use case_values_threshold target hook.
3564         * expr.h (case_values_threshold): Remove declartation.
3565         * expr.c (case_values_threshold): Remove function.
3566         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3567
3568         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3569         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3570         (avr_case_values_threshold): Declare as static.
3571         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3572
3573         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3574         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3575         (mn10300_case_values_threshold): New function.
3576
3577 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3578
3579         * ira.c (setup_cover_and_important_classes): Add enum cast.
3580
3581 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3582
3583         * genpreds.c (write_enum_constraint_num): Output definition of
3584         CONSTRAINT_NUM_DEFINED_P macro.
3585         * ira.c (setup_cover_and_important_classes): Use
3586         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3587         
3588 2009-04-24  DJ Delorie  <dj@redhat.com>
3589
3590         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3591         __SH2A_SINGLE_ONLY__ also.
3592
3593 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3594
3595         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3596         (movdf_internal): Ditto.
3597         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3598         SFmode and DFmode constants.
3599         (ia64_print_operand): Add 'G' format for printing
3600         floating point constants.
3601
3602 2009-04-24  Richard Guenther  <rguenther@suse.de>
3603
3604         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3605         from unsigned additions.
3606
3607 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3608
3609         * c-typeck.c (set_init_index): Allow array designators that are
3610         not integer constant expressions with a pedwarn if pedantic.
3611
3612 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3613
3614         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3615         zero if no overlap in nonzero bits between the operands.
3616
3617 2009-04-24  Ian Lance Taylor  <iant@google.com>
3618
3619         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3620         (record_dead_and_set_regs): Likewise.
3621         * df.h (struct df_mw_hardreg): Change flags field to int.
3622         (struct df_base_ref): Likewise.
3623         (struct df): Change changeable_flags field to int.
3624         * df-scan.c (df_defs_record): Change clobber_flags to int.
3625         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3626         constants rather than #define macros.
3627         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3628         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3629         (enum dwarf_calling_convention): Likewise.
3630         (enum dwarf_line_number_x_ops): Likewise.
3631         (enum dwarf_call_frame_info): Likewise.
3632         (enum dwarf_source_language): Likewise.
3633         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3634         (add_calling_convention_attribute): Likewise.
3635         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3636         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3637         * genrecog.c (maybe_both_true_2): Change c to int.
3638         (write_switch): Likewise.  Add cast to enum type.
3639         * gimplify.c (gimplify_omp_for): Handle return values from
3640         gimplify_expr using MIN rather than bitwise or.
3641         (gimplify_expr): Add cast to enum type.
3642         * ipa-prop.c (update_jump_functions_after_inlining): Change
3643         IPA_BOTTOM to IPA_JF_UNKNOWN.
3644         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3645         Add casts to enum type.
3646         (setup_cover_and_important_classes): Change cl to int.  Add casts
3647         to enum type.
3648         (setup_class_translate): Change cl and mode to int.
3649         (ira_init_once): Change mode to int.
3650         (free_register_move_costs): Likewise.
3651         (setup_prohibited_mode_move_regs): Add casts to enum type.
3652         * langhooks.c (add_builtin_function_common): Rework assertion that
3653         value fits bitfield.
3654         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3655         * omega.c (omega_do_elimination): Avoid math on enum types.
3656         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3657         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3658         int local to handle integral_argment value.
3659         * regmove.c (try_auto_increment): Change PUT_MODE to
3660         PUT_REG_NOTE_KIND.
3661         * reload.c (push_secondary_reload): Add casts to enum type.
3662         (secondary_reload_class, find_valid_class): Likewise.
3663         * reload1.c (emit_input_reload_insns): Likewise.
3664         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3665         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3666         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3667         constant.
3668         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3669         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3670         enum type.
3671         (expand_complex_libcall): Add casts to enum type.
3672         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3673         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3674         with ERROR_MARK, not NUM_TREE_CODES.
3675         (vect_create_epilog_for_reduction): Likewise.
3676         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3677         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3678         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3679         enum machine_mode.
3680         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3681         vect_unused_in_loop.  Change 0 to loop_vect.
3682         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3683         * var-tracking.c (get_init_value): Change return type to enum
3684         var_init_status.
3685         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3686         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3687         arm_fp_model.
3688         (arm_override_options): Add casts to enum type.
3689         (arm_emit_tls_decoration): Likewise.
3690         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3691         to enum type.
3692         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3693         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3694         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3695         enum type.
3696         * config/s390/s390.c (code_for_builtin_64): Change to array of
3697         enum insn_code.
3698         (code_for_builtin_31): Likewise.
3699         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3700         const *.
3701         * config/sparc/sparc.c (sparc_override_options): Change value
3702         field in struct code_model to enum cmodel.  In initializer change
3703         0 to NULL and add cast to enum type.
3704
3705         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3706         Change all callers.  Issue a -Wc++-compat warning using
3707         lhs_origtype if necessary.
3708         (convert_for_assignment): Issue -Wc++-compat warnings about
3709         invalid conversions to enum type on assignment.
3710         * c-common.h (build_modify_expr): Update declaration.
3711
3712 2009-04-24  Nick Clifton  <nickc@redhat.com>
3713
3714         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3715         (function_arg_advance): Likewise.
3716         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3717         5th alternative.
3718
3719 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3720
3721         * config/s390/constraints.md ('I', 'J'): Fix condition.
3722
3723 2009-04-24  Diego Novillo  <dnovillo@google.com>
3724
3725         * gengtype-parse.c (parse_error): Add newline after message.
3726
3727 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3728
3729         * config/i386/sse.md (avxmodesuffixs): Removed.
3730         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3731         (*avx_pinsr<ssevecsize>): This.
3732
3733 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3734
3735         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3736         follow chains of regs with a single definition, and allow expressions
3737         that are function_invariant_p.
3738         (simple_rhs_p): Allow expressions that are function_invariant_p.
3739
3740 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3741
3742         PR middle-end/39867
3743         * fold-const.c (fold_cond_expr_with_comparison): When folding
3744         > and >= to MAX, make sure the MAX uses the same type as the
3745         comparison's operands.
3746
3747 2009-04-24  Nick Clifton  <nickc@redhat.com>
3748
3749         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3750         addressing for DImode accesses.
3751         (frv_print_operand_address): Handle PLUS case.
3752         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3753
3754 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3755
3756         PR rtl-optimization/39794
3757         * alias.c (canon_true_dependence): Add x_addr argument.
3758         * rtl.h (canon_true_dependence): Adjust prototype.
3759         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3760         * cselib.c (cselib_invalidate_mem): Likewise.
3761         * gcse.c (compute_transp): Likewise.
3762         * dse.c (scan_reads_nospill): Likewise.
3763         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3764         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3765         canon_base_addr of the group, plus optional offset.
3766         (struct group_info): Rename canon_base_mem to
3767         canon_base_addr.
3768         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3769         canon_rtx of base_mem.
3770
3771 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3772
3773         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3774         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3775
3776 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3777
3778         * config/spu/spu-builtins.h: Delete file.
3779
3780         * config/spu/spu.h (enum spu_builtin_type): Move here from
3781         spu-builtins.h.
3782         (struct spu_builtin_description): Likewise.  Add GTY marker.
3783         Do not use enum spu_function_code or enum insn_code.
3784         (spu_builtins): Add extern declaration.
3785
3786         * config/spu/spu.c: Do not include "spu-builtins.h".
3787         (enum spu_function_code, enum spu_builtin_type_index,
3788         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3789         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3790         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3791         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3792         (spu_builtin_types): Make static.  Add GTY marker.
3793         (spu_builtins): Add extern declaration with GTY marker.
3794         Include "gt-spu.h".
3795
3796         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3797         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3798         Check programmatically whether all parameters are scalar.
3799
3800         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3801
3802 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3803
3804         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3805         assignment from the constructor either if the target is volatile.
3806
3807 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3808
3809         * config/arm/arm.md (insv): Do not share operands[0].
3810
3811 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3812
3813         * config/vxlib-tls.c (active_tls_threads): Delete.
3814         (delete_hook_installed): New.
3815         (tls_delete_hook): Don't delete the delete hook.
3816         (tls_destructor): Delete it here.
3817         (__gthread_set_specific): Adjust installing the delete hook.
3818         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3819         __gthread_leave_tsd_dtor_context.
3820
3821 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3822
3823         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3824
3825 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3826
3827         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3828         enum type.
3829         (alpha_rtx_costs): Ditto.
3830         (emit_unlikely_jump): Use add_reg_note.
3831         (emit_frame_store_1): Ditto.
3832         (alpha_expand_prologue): Ditto.
3833         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3834         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3835
3836 2009-04-23  Nick Clifton  <nickc@redhat.com>
3837
3838         * config/v850/v850.md (epilogue): Remove suppressed code.
3839         (return): Rename to return_simple and remove test of frame size.
3840         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3841         to gen_return_simple.
3842
3843 2009-04-22  Jing Yu  <jingyu@google.com>
3844
3845         PR testsuite/39781
3846         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3847
3848 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3849
3850         PR C/31499
3851         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3852         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3853         value is a VECTOR_CST, the element type is the element type of the
3854         vector.
3855
3856 2009-04-22  DJ Delorie  <dj@redhat.com>
3857
3858         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3859
3860 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3861
3862         * alias.c (find_base_term): Move around LO_SUM case, so that
3863         CONST falls through into PLUS/MINUS handling.
3864
3865         PR c/39855
3866         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3867         into 0, use omit_one_operand.
3868
3869 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3870
3871         * config/rs6000/linux-unwind.h (get_regs): Remove type
3872         puns. Change the type of `pc' to an array of unsigned ints and
3873         update all users.  Constify frame24.
3874
3875 2009-04-22  DJ Delorie  <dj@redhat.com>
3876
3877         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3878         declarations before code.
3879         (current_function_special_page_vector): Likewise.
3880         (m32c_expand_insv): Silence a warning.
3881
3882 2009-04-21  Taras Glek  <tglek@mozilla.com>
3883
3884         * alias.c: Update GTY annotations to new syntax.
3885         * basic-block.h: Likewise.
3886         * bitmap.h: Likewise.
3887         * c-common.h: Likewise.
3888         * c-decl.c: Likewise.
3889         * c-parser.c: Likewise.
3890         * c-pragma.c: Likewise.
3891         * c-tree.h: Likewise.
3892         * cfgloop.h: Likewise.
3893         * cgraph.h: Likewise.
3894         * config/alpha/alpha.c: Likewise.
3895         * config/arm/arm.h: Likewise.
3896         * config/avr/avr.h: Likewise.
3897         * config/bfin/bfin.c: Likewise.
3898         * config/cris/cris.c: Likewise.
3899         * config/darwin.c: Likewise.
3900         * config/frv/frv.c: Likewise.
3901         * config/i386/i386.c: Likewise.
3902         * config/i386/i386.h: Likewise.
3903         * config/i386/winnt.c: Likewise.
3904         * config/ia64/ia64.h: Likewise.
3905         * config/iq2000/iq2000.c: Likewise.
3906         * config/mips/mips.c: Likewise.
3907         * config/mmix/mmix.h: Likewise.
3908         * config/pa/pa.c: Likewise.
3909         * config/pa/pa.h: Likewise.
3910         * config/rs6000/rs6000.c: Likewise.
3911         * config/s390/s390.c: Likewise.
3912         * config/sparc/sparc.c: Likewise.
3913         * config/xtensa/xtensa.c: Likewise.
3914         * cselib.h: Likewise.
3915         * dbxout.c: Likewise.
3916         * dwarf2out.c: Likewise.
3917         * except.c: Likewise.
3918         * except.h: Likewise.
3919         * fixed-value.h: Likewise.
3920         * function.c: Likewise.
3921         * function.h: Likewise.
3922         * gimple.h: Likewise.
3923         * integrate.c: Likewise.
3924         * optabs.c: Likewise.
3925         * output.h: Likewise.
3926         * real.h: Likewise.
3927         * rtl.h: Likewise.
3928         * stringpool.c: Likewise.
3929         * tree-data-ref.c: Likewise.
3930         * tree-flow.h: Likewise.
3931         * tree-scalar-evolution.c: Likewise.
3932         * tree-ssa-address.c: Likewise.
3933         * tree-ssa-alias.h: Likewise.
3934         * tree-ssa-operands.h: Likewise.
3935         * tree.c: Likewise.
3936         * tree.h: Likewise.
3937         * varasm.c: Likewise.
3938         * varray.h: Likewise.
3939         * vec.h: Likewise.
3940         * coretypes.h: Do not define GTY macro if it is already defined.
3941         * doc/gty.texi: Update GTY documentation to new syntax.
3942         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3943         annotations on structs.
3944         * gengtype-parse.c: Likewise.
3945
3946 2009-04-22  Mark Heffernan  <meheff@google.com>
3947
3948         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3949
3950 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3951
3952         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3953         where appropriate.
3954
3955 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3956
3957         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3958         the same as a PLUS without a shift.  Increase the cost of a
3959         CONST_INT in MULT.
3960
3961 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3962
3963         * Makefile.in: Update dependencies.
3964         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3965         * errors.h: Remove bogus comment about compatibility.
3966         (warning): Update declaration.
3967         * genautomata.c: Update all calls to warning.
3968         * gimple.c: Do not include errors.h. Include toplev.h.
3969         * tree-ssa-structalias.c: Do not include errors.h.
3970         * omega.c: Likewise.
3971         * tree-ssa-reassoc.c: Likewise.
3972         * config/spu/spu-c.c: Likewise.
3973         * config/spu/t-spu-elf: Update dependencies.
3974
3975 2009-04-22  Richard Guenther  <rguenther@suse.de>
3976
3977         PR tree-optimization/39824
3978         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3979         make sure the types are compatible.
3980
3981 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3982
3983         PR c++/14875
3984         * c-common.c (c_parse_error): Take a token_flags parameter.
3985         Use token_type for the token type instead.
3986         Pass token_flags to cpp_type2name.
3987         * c-common.h (c_parse_error): Update declaration.
3988         * c-parser.c (c_parser_error): Pass 0 as token flags.
3989
3990 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
3991
3992         PR rtl-optimization/39580
3993         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
3994         
3995 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3996
3997         * function.c (expand_function_end): Do not emit a jump to the "naked"
3998         return label for fall-through returns.
3999         * except.c (sjlj_emit_function_exit): Always place the call to the
4000         unregister function at the location installed by expand_function_end.
4001
4002 2009-04-22  Richard Guenther  <rguenther@suse.de>
4003
4004         PR tree-optimization/39845
4005         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
4006         (gen_inbound_check): Likewise.
4007
4008 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4009
4010         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
4011         padding for PPC.
4012         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
4013         * config/vxlib.c (__gthread_once): Add race guard for PPC.
4014
4015 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4016
4017         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
4018         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
4019         shift counts to avoid out-of-bounds array accesses.
4020
4021 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4022
4023         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
4024         (Pmode): Move above.
4025
4026 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
4027
4028         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
4029         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
4030         GET_CODE macro.  Use IN_RANGE macro where appropriate.
4031         * config/alpha/alpha.h: Ditto.
4032         * config/alpha/alpha.md: Ditto.
4033         * config/alpha/constraints.md: Ditto.
4034         * config/alpha/predicates.md: Ditto.
4035         
4036 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4037
4038         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
4039         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4040         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4041         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4042         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4043         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4044         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4045         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4046         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4047         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4048         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4049         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4050         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4051         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4052         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4053         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4054         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4055         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4056         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4057         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4058         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4059         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4060         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4061         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4062         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4063         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4064         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4065
4066 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4067
4068         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
4069         references from comments.
4070         * cfgbuild.c: (count_basic_blocks): Delete.
4071         (find_basic_blocks_1): Delete.
4072         (find_basic_blocks): Delete.
4073         * except.c (finish_eh_generation): Make static.  Move comment from
4074         except.h here.  Remove find_basic_blocks references from comments.
4075         * except.h (finish_eh_generation): Delete.
4076         * basic-block.h (find_basic_blocks): Delete.
4077         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
4078
4079 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
4080
4081         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
4082         (sdbout_parms):  Likewise.
4083
4084 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4085
4086         * config/sh/sh.c (prepare_cbranch_operands): Use
4087         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
4088         (expand_cbranchdi4): Likewise.
4089         (from_compare): Add cast to enum type.
4090         (expand_cbranchsi4): Use add_reg_note.
4091         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
4092         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
4093         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
4094         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4095         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
4096         instead of CODE_FOR_nothing.
4097         (cbranchdi4): Likewise.  Fix the order of arguments for
4098         gen_rtx_fmt_ee.
4099         (push_fpscr): Use add_reg_note.
4100         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
4101         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
4102         
4103 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
4104
4105         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
4106         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4107         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4108         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
4109         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
4110         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
4111         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
4112         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
4113         config/alpha/x-vms, config/arc/t-arc,
4114         config/arm/README-interworking, config/arm/arm-c.c,
4115         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
4116         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
4117         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
4118         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
4119         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
4120         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
4121         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
4122         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
4123         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
4124         config/cris/t-elfmulti, config/crx/t-crx,
4125         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
4126         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
4127         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
4128         config/h8300/t-h8300, config/i386/athlon.md,
4129         config/i386/darwin-libgcc.10.4.ver,
4130         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
4131         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
4132         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
4133         config/i386/t-linux64, config/i386/t-nwld,
4134         config/i386/t-rtems-i386, config/i386/t-sol2-10,
4135         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
4136         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
4137         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
4138         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
4139         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
4140         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
4141         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
4142         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
4143         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
4144         config/m68k/t-uclinux, config/mcore/t-mcore,
4145         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
4146         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
4147         config/mips/crtn.asm, config/mips/irix-crti.asm,
4148         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
4149         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
4150         config/mips/mips-fixed.md, config/mips/sb1.md,
4151         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
4152         config/mips/t-iris6, config/mips/t-isa3264,
4153         config/mips/t-libgcc-mips16, config/mips/t-linux64,
4154         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
4155         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
4156         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
4157         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
4158         config/mn10300/t-linux, config/mn10300/t-mn10300,
4159         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
4160         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
4161         config/picochip/libgccExtras/clzsi2.asm,
4162         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
4163         config/rs6000/darwin-libgcc.10.4.ver,
4164         config/rs6000/darwin-libgcc.10.5.ver,
4165         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
4166         config/rs6000/t-aix43, config/rs6000/t-aix52,
4167         config/rs6000/t-darwin, config/rs6000/t-fprules,
4168         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
4169         config/rs6000/t-lynx, config/rs6000/t-netbsd,
4170         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
4171         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
4172         config/rs6000/t-rtems, config/rs6000/t-spe,
4173         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
4174         config/score/t-score-elf, config/sh/divcost-analysis,
4175         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
4176         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
4177         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
4178         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
4179         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
4180         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
4181         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
4182         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
4183         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
4184         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
4185         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
4186         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
4187         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
4188         limitx.h, version.c, xcoff.h: Add copyright and license notices.
4189         * config/h8300/genmova.sh: Include copyright and license notices
4190         in generated output.
4191         * config/h8300/mova.md: Regenerate.
4192         * doc/install.texi2html: Include word "Copyright" in copyright
4193         notice and use name "Free Software Foundation, Inc.".
4194         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4195         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4196         ChangeLog-2007, ChangeLog-2008: Correct dates.
4197
4198 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
4199
4200         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
4201         NE_EXPR operations as well.
4202         * c-parser.c (c_parser_condition): Do not set location information on
4203         the condition.
4204         (c_parser_conditional_expression): Likewise.
4205         (c_parser_binary_expression): Set location information on operators.
4206         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
4207         TRUTH_NOT_EXPR has been folded.
4208         * fold-const.c (fold_truth_not_expr): Copy location information from
4209         the incoming expression to the outgoing one.
4210         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
4211         recursive calls on the LHS of the operator but pass that of the
4212         operator to recursive calls on the RHS of the operator.  Set it
4213         on the COND_EXPR.
4214         (shortcut_cond_expr): Set the locus of the operator on the second
4215         COND_EXPR and that of the expression on the first in degenerate cases.
4216         Pass the locus of the expression to calls to shortcut_cond_r.
4217         Set the locus of the 'then' block on the associated jump, if any.
4218         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
4219         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4220         expression to call to gimplify_boolean_expr.
4221
4222 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
4223
4224         * config.gcc: Add additional configuration for
4225         i686-w64-mingw* and x86_64-w64-mingw* triplet.
4226         * config/i386/mingw-w64.h: New mingw-w64 specific header.
4227         (CPP_SPEC): Redefine for allowing -municode option.
4228         (STARTFILE_SPEC): Likewise.
4229         * config/i386/t-mingw-w64: New.
4230         * config/i386/mingw-w64.opt: New.
4231         (municode): Add new target option.
4232         * doc/invoke.texi (municode): Add documentation for new option.
4233
4234 2009-04-21  Ian Lance Taylor  <iant@google.com>
4235
4236         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4237         Correct test for number of arguments.
4238         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
4239
4240 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
4241
4242         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
4243         argument of emit_library_call.
4244
4245 2009-04-21  Richard Guenther  <rguenther@suse.de>
4246
4247         PR middle-end/39829
4248         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
4249         inside VIEW_CONVERT_EXPRs.
4250
4251 2009-04-21  Martin Jambor  <mjambor@suse.cz>
4252
4253         * tree-switch-conversion.c (build_constructors): Split a long line.
4254         (constructor_contains_same_values_p): New function.
4255         (build_one_array): Create assigns of constants if possible, do not
4256         call mark_sym_for_renaming, call update_stmt.
4257         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
4258         make_rename_temp.  Do not call mark_symbols_for_renaming, call
4259         update_stmt.
4260         (gen_def_assigns): Do not call mark_symbols_for_renaming or
4261         find_new_referenced_vars, call update_stmt.
4262         (gen_inbound_check): Use create_tmp_var and create ssa names manually
4263         instead of calling make_rename_temp.  Do not call
4264         find_new_referenced_vars or mark_symbols_for_renaming, call
4265         update_stmt.
4266
4267 2009-04-21  Richard Guenther  <rguenther@suse.de>
4268
4269         PR tree-optimization/39827
4270         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
4271         (tree_ssa_phiprop): Pass the correct array size.
4272
4273 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
4274
4275         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
4276
4277 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4278
4279         PR 16202
4280         * c-typeck.c (lvalue_p): Move declaration ...
4281         * c-common.h (lvalue_p): ... to here.
4282         * c-common.c (candidate_equal_p): New.
4283         (add_tlist): Use it.
4284         (merge_tlist): Use it.
4285         (warn_for_collisions_1): Likewise.
4286         (warning_candidate_p): Accept more candidates.
4287         (verify_tree): A warning candidate can be an expression. Use
4288         candidate_equal_p.
4289
4290 2009-04-21  Ben Elliston  <bje@au.ibm.com>
4291
4292         PR target/5267
4293         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4294         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4295         options.  Remove -mcall-solaris documentation.
4296
4297 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4298
4299         PR c++/13358
4300         * doc/invoke.texi (-Wlong-long): Update description.
4301         * c-lex (interpret_integer): Only warn if there was no previous
4302         overflow and -Wlong-long is enabled.
4303         * c-decl.c (declspecs_add_type): Drop redundant flags.
4304         * c.opt (Wlong-long): Init to -1.
4305         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4306         and front-end warn_long_long. Wlong-long only depends on other
4307         flags if it is uninitialized.
4308         * c-parser.c (disable_extension_diagnostics): warn_long_long is
4309         the same for CPP and FE.
4310         (restore_extension_diagnostics): Likewise.
4311
4312 2009-04-20  Ian Lance Taylor  <iant@google.com>
4313
4314         Fix enum conversions which are invalid in C++:
4315         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4316         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4317         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4318         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4319         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4320         (dbxout_parms): Likewise.
4321         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4322         (df_clear_flags): Likewise.
4323         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4324         top_flag parameter to int.
4325         (df_chain_create_bb_process_use): Likewise.
4326         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4327         Remove cast.
4328         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4329         (df_ref_create_structure, df_def_record_1): Likewise.
4330         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4331         (df_notes_rescan): Change 0 to VOIDmode in function call.
4332         (df_get_call_refs, df_insn_refs_collect): Likewise.
4333         (df_bb_regs_collect): Likewise.
4334         (df_entry_block_defs_collect): Likewise.
4335         (df_exit_block_uses_collect): Likewise.
4336         * df.h: Update declarations.
4337         * double-int.c (double_int_divmod): Add cast to enum type.
4338         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4339         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4340         (based_loc_descr): Likewise.
4341         (loc_descriptor_from_tree_1): Change first_op and second_op to
4342         enum dwarf_location_atom.  Add cast to enum type.
4343         * expmed.c (init_expmed): Change 0 to SET in function call.
4344         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4345         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4346         (do_store_flag): Likewise.
4347         * fixed-value.h (struct fixed_value): Change mode to enum
4348         machine_mode.
4349         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4350         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4351         function call.
4352         (insert_insn_decl, insert_decl, insert_state): Likewise.
4353         (automata_list_finish): Likewise.
4354         * genrecog.c (process_define_predicate): Add cast to enum type.
4355         * gensupport.c (init_predicate_table): Add cast to enum type.
4356         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4357         function call.
4358         (gimple_build_call_1, gimple_build_label): Likewise.
4359         (gimple_build_goto, gimple_build_asm_1): Likewise.
4360         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4361         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4362         (enum fallback): Rename from enum fallback_t.
4363         (fallback_t): Typedef as int.
4364         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4365         GSI_SAME_STMT in function call.
4366         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4367         enum type.
4368         (setup_reg_class_relations): Likewise.
4369         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4370         (setup_prohibited_class_mode_regs): Add cast to enum type.
4371         (setup_prohibited_mode_move_regs): Likewise.
4372         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4373         (record_address_regs): Change i to enum reg_class.
4374         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4375         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4376         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4377         (GET_MODE_2XWIDER_MODE): Likewise.
4378         (GET_CLASS_NARROWEST_MODE): Likewise.
4379         * omp-low.c (expand_omp_for): Add cast to enum type.
4380         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4381         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4382         * postreload.c (reload_cse_simplify_operands): Change rclass local
4383         to enum reg_class.
4384         * predict.c (combine_predictions_for_insn): Change best_predictor
4385         and predictor to enum br_predictor.
4386         (combine_predictions_for_bb): Likewise.
4387         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4388         use SET_PREDICT_EXPR_OUTCOME.
4389         * real.c (real_arithmetic): Change icode to code in function call.
4390         * reginfo.c (init_move_cost): Add casts to enum type.
4391         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4392         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4393         enum reg_class.
4394         * reload.c (find_valid_class): Add casts to enum type.
4395         (push_reload): Change 0 to NO_REGS in function call.
4396         (find_reloads): Change this_alternative to array of enum
4397         reg_class.  Remove some now-unnecessary casts.
4398         (make_memloc): Change 0 to VOIDmode in function call.
4399         * reload1.c (reload): Change 0 to VOIDmode in function call.
4400         (eliminate_regs_1, elimination_effects): Likewise.
4401         (eliminate_regs_in_insn): Likewise.
4402         (emit_input_reload_insns): Add cast to enum type.
4403         (delete_output_reload): Change 0 to VOIDmode in function call.
4404         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4405         to enum type in function call.
4406         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4407         (SET_PREDICT_EXPR_OUTCOME): Define.
4408         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4409         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4410         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4411         (dump_function): Likewise.
4412         * tree-dump.h: Update declarations.
4413         * tree-pass.h: Update declarations.
4414         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4415         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4416         enum type.
4417         (arm_rtx_costs_1): Correct parenthesization.
4418         (arm_rtx_costs): Add casts to enum type.
4419         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4420         (vfp_emit_fstmd): Use add_rg_note.
4421         (emit_multi_reg_push, emit_sfm): Likewise.
4422         (thumb_set_frame_pointer): Likewise.
4423         (arm_expand_prologue): Likewise.
4424         (arm_regno_class): Change return type to enum reg_class.
4425         (thumb1_expand_prologue): Use add_reg_note.
4426         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4427         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4428         in function call.
4429         * config/arm/gentune.sh: Add cast to enum type.
4430         * config/arm/arm-tune.md: Rebuild.
4431         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4432         (ix86_split_fp_branch, predict_jump): Likewise.
4433         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4434         insn_code to enum rtx_code.
4435         (ix86_builtin_vectorized_function): Add cast to enum type.
4436         * config/i386/i386.md (truncdfsf2): Change slot to enum
4437         ix86_stack_slot.
4438         (truncxf<mode>2, isinf<mode>2): Likewise.
4439         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4440         enum type.
4441         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4442         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4443         (insert_bundle_state): Change 1 to INSERT in function call.
4444         (ia64_add_bundle_selector_before): Likewise.
4445         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4446         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4447         (restore_stack_nonlocal): Likewise.
4448         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4449         function call.
4450         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4451         function call.
4452         (mips_rtx_costs): Likewise.
4453         (mips_override_options): Add casts to enum type.
4454         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4455         in function call.
4456         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4457         (store_reg, set_reg_plus_d): Likewise.
4458         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4459         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4460         cast to enum type.
4461         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4462         function call.
4463         (emit_unlikely_jump): Use add_reg_note.
4464         (rs6000_emit_allocate_stack): Likewise.
4465         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4466         (output_toc): Change 1 to INSERT in function call.
4467         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4468         (rs6000_initialize_trampoline): Likewise.
4469         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4470         function call.
4471         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4472         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4473         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4474         (save_gprs): Use add_reg_note.
4475         (s390_emit_prologue): Likewise.
4476         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4477         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4478         (sparc_fold_builtin): Add cast to enum type.
4479         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4480         enum insn_code.
4481         (spu_expand_prologue): Use add_reg_note.
4482         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4483
4484 2009-04-20  Ian Lance Taylor  <iant@google.com>
4485
4486         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4487         (c_parser_postfix_expression_after_primary): Get VEC for list of
4488         arguments.  Get original types of arguments.  Call
4489         build_function_call_vec.
4490         (cached_expr_list_1, cached_expr_list_2): New static variables.
4491         (c_parser_expr_list): Change return type to VEC *.  Add
4492         p_orig_types parameter.  Change all callers.
4493         (c_parser_release_expr): New static function.
4494         (c_parser_vec_to_tree_list): New static function.
4495         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4496         call build_function_call_vec.
4497         (build_function_call_vec): New function, based on old
4498         build_function_call.
4499         (convert_arguments): Remove nargs and argarray parameters.  Change
4500         values to a VEC.  Add origtypes parameter.
4501         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4502         (convert_for_assignment): Add origtype parameter.  Change all
4503         callers.  If warn_cxx_compat, check for conversion to an enum
4504         type when calling a function.
4505         (store_init_value): Add origtype parameter.  Change all callers.
4506         (digest_init): Likewise.
4507         (struct init_node): Add origtype field.
4508         (add_pending_init): Add origtype parameter.  Change all callers.
4509         (output_init_element): Likewise.
4510         (output_pending_init_elements): Pass origtype from init_node to
4511         output_init_element.
4512         (process_init_element): Pass origtype from c_expr to
4513         output_init_element.
4514         (c_finish_return): Add origtype parameter.  Change all callers.
4515         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4516         caller.
4517         (sync_resolve_params): Likewise.
4518         (sync_resolve_return): Change params to first_param.  Change caller.
4519         (resolve_overloaded_builtins): Change params to VEC *.  Change
4520         callers.  Save first parameter around call to build_function_call_vec.
4521         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4522         callers.  Call build_function_call_vec rather than
4523         build_function_call for cleanup.
4524         * c-tree.h: Update declarations.
4525         * c-common.h: Update declarations.
4526         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4527         params to first_param.
4528         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4529         params parameter from tree to void *.
4530         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4531         Change arglist parameter to have type void *, and to be a pointer
4532         to a VEC.
4533         * config/rs6000/rs6000-protos.h
4534         (altivec_resolve_overloaded_builtin): Update declaration.
4535         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4536         fnargs parameter to have type void *, and to be a pointer to a
4537         VEC.  Call build_function_call_vec instead of
4538         build_function_call.
4539         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4540
4541 2009-04-20  Joey Ye  <joey.ye@intel.com>
4542             Xuepeng Guo  <xuepeng.guo@intel.com>
4543             H.J. Lu  <hongjiu.lu@intel.com>
4544
4545         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4546
4547         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4548         (IX86_LEA_PRIORITY): Likewise.
4549         (distance_non_agu_define): New function.
4550         (distance_agu_use): Likewise.
4551         (ix86_lea_for_add_ok): Likewise.
4552         (ix86_dep_by_shift_count): Likewise.
4553
4554         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4555         should split for LEA.
4556
4557         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4558         function.
4559         (ix86_dep_by_shift_count): Likewise.
4560
4561 2009-04-20  Richard Guenther  <rguenther@suse.de>
4562
4563         * expr.c (handled_component_p): Move ...
4564         * tree.h (handled_component_p): ... here.
4565         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4566         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4567         and REALPART_EXPR to be in one group.
4568
4569 2009-04-20  Richard Guenther  <rguenther@suse.de>
4570
4571         * basic-block.h (get_all_dominated_blocks): Declare.
4572         * dominance.c (get_all_dominated_blocks): New function.
4573         * tree-cfg.c (get_all_dominated_blocks): Remove.
4574         (remove_edge_and_dominated_blocks): Adjust.
4575         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4576         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4577         instead of recursing.
4578
4579 2009-04-20  Doug Kwan  <dougkwan@google.com>
4580
4581         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4582         (struct cgraph_node_set_def): New type.
4583         (cgraph_node_set) New type. Also declare vector functions.
4584         (struct cgraph_node_set_element_def): New type.
4585         (cgraph_node_set_element): Ditto.
4586         (cgraph_node_set_iterator): New iterator type.
4587         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4588         cgraph_node_set_remove, dump_cgraph_node_set,
4589         debug_cgraph_node_set): New prototypes.
4590         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4591         cgraph_node_set_size): New inlines.
4592         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4593         including cgraph.h.
4594         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4595         argument to function 'write_summary'.
4596         * ipa.c: Include ggc.h.
4597         (hash_cgraph_node_set_element,
4598         eq_cgraph_node_set_element, cgraph_node_set_new,
4599         cgraph_node_set_add, cgraph_node_set_remove,
4600         cgraph_node_set_find, dump_cgraph_node_set,
4601         debug_cgraph_node_set): New functions.
4602         * Makefile.in (ipa.o): Add dependency on GGC_H.
4603
4604 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4605
4606         PR tree-optimization/39675
4607         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4608         check of the return code of vect_schedule_slp. Check that
4609         stmt_vec_info still exists for the statement, before checking its
4610         vectorization type.
4611
4612 2009-04-20  Michael Matz  <matz@suse.de>
4613
4614         * Makefile.in (generated_files): Take out $(simple_generated_c).
4615
4616 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4617
4618         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4619         (UINTPTR_TYPE):  Likewise.
4620
4621 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4622
4623         PR c/37481
4624         * c-typeck.c (digest_init): Check for initializing an array with a
4625         string literal.
4626
4627 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4628
4629         PR c/19771
4630         * c-semantics.c (pop_stmt_list): Propagate
4631         STATEMENT_LIST_HAS_LABEL to parent statement list.
4632
4633 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4634
4635         * config/mips/mips.h (mips_tune_attr): New macro.
4636         * config/mips/mips.md (cpu): Use it.
4637
4638 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4639
4640         PR c/38243
4641         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4642         declaring a tag.
4643
4644 2009-04-19  Diego Novillo  <dnovillo@google.com>
4645
4646         * toplev.c (compile_file): Move call to coverage_finish ...
4647         * cgraphunit.c (ipa_passes): ... here.
4648         Call cgraph_process_new_functions.
4649         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4650         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4651
4652 2009-04-19  Jan Hubicka  <jh@suse.cz>
4653
4654         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4655         cfun.
4656         (dump_cgraph_node): Dump can throw external flag.
4657         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4658
4659 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4660
4661         PR c/32061
4662         PR c++/36954
4663         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4664         * common.opt (Wlogical-op): Move from here...
4665         * c.opt (Wlogical-op): ... to here.
4666         * c-typeck.c (parser_build_binary_op): Update call to
4667         warn_logical_operator.
4668         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4669         extra_warnings.
4670         * c-common.c (warn_logical_op): Update.
4671         * c-common.h (warn_logical_op): Update declaration.
4672
4673 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4674
4675         * tree.c (protected_set_expr_location): Fix formatting.
4676
4677 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4678
4679         PR c/27676
4680         * c-typeck.c (readonly_warning): new.
4681         (build_unary_op, build_modify_expr): Use readonly_warning for
4682         storing into something readonly but not const-qualified.
4683
4684 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4685
4686         PR c/22367
4687         * c-typeck.c (build_unary_op): Check for taking address of
4688         expression of type void.
4689
4690 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4691
4692         PR c/35210
4693         * c-typeck.c (build_function_call): Check for calling a function
4694         with qualified void return types.  Call require_complete_type when
4695         generating a trap.
4696
4697 2009-04-18  Jan Hubicka  <jh@suse.cz>
4698
4699         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4700         Set nothrow flag.
4701         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4702         can_throw_external flag.
4703         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4704         * ipa-pure-const.c (ignore_edge): New function.
4705         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4706         only over can_throw_external edges.
4707         (local_pure_const): Add nothrow flag.
4708         * ipa-utils.c (searchc): Add ignore_edge callback.
4709         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4710         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4711         (set_nothrow_function_flags): Update cgraph.
4712         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4713
4714 2009-04-18  Richard Guenther  <rguenther@suse.de>
4715
4716         PR middle-end/39804
4717         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4718         (fold_stmt): ... this and ...
4719         (fold_stmt_inplace): ... this.
4720         (fold_stmt_1): Fold references in calls and asms.
4721         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4722
4723 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4724
4725         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4726         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4727
4728 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4729
4730         * tree.c (function_args_count): Remove.
4731         * tree.h: Remove the prototype for function_args_count.
4732
4733 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4734
4735         * tree-iterator.c (expr_only): Remove.
4736         * tree.h: Remove the prototype for expr_only.
4737
4738 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4739
4740         * reginfo.c (cannot_change_mode_set_regs): Remove.
4741         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4742
4743 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4744
4745         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4746         whether operands 0 and 1 overlaps.
4747
4748 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4749
4750         PR middle-end/36902
4751         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4752         pointer. Use warning_at instead of warning.
4753         (search_for_addr_array): Likewise.
4754         (check_array_bounds): Likewise.
4755         (check_all_array_refs): Check that the incoming edge is not in the
4756         list of edges to be removed.
4757         (check_all_array_refs): Avoid the temporal pointer.
4758         (vrp_visit_cond_stmt): Fix typo.
4759         (simplify_switch_using_ranges): Handle the case where the switch
4760         index is an integer constant.
4761
4762 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4763
4764         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4765
4766 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4767
4768         * doc/extend.texi, doc/invoke.texi: Fix typos.
4769
4770 2009-04-17  Cary Coutant  <ccoutant@google.com>
4771
4772         * tree-flow-inline.h (get_lineno): Fix inverted test.
4773
4774 2009-04-17  Diego Novillo  <dnovillo@google.com>
4775
4776         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4777         assertion for AVAIL_OUT.
4778
4779 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4780
4781         PR target/38627
4782         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4783         * config/sh/linux-atomic.asm: Likewise.
4784
4785 2009-04-17  Diego Novillo  <dnovillo@google.com>
4786
4787         * except.c (debug_eh_tree): New.
4788         (struct eh_region, struct eh_status): Move ...
4789         * except.h: ... here.
4790         (add_type_for_runtime): Declare extern.
4791         (lookup_type_for_runtime): Likewise.
4792         (debug_eh_tree): Declare.
4793         * Makefile.in (GTFILES): List except.h before except.c
4794
4795 2009-04-17  Diego Novillo  <dnovillo@google.com>
4796
4797         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4798         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4799         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4800         (find_vars_r): ... here.
4801         * tree-flow.h (find_referenced_vars_in): Declare.
4802         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4803         that AVAIL_OUT exists for BLOCK.
4804         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4805         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4806         (tree-parloops.o): Likewise.
4807
4808 2009-04-17  Simon Baldwin  <simonb@google.com>
4809
4810         * toplev.c (default_tree_printer): Add handling for %E format.
4811
4812 2009-04-17  Diego Novillo  <dnovillo@google.com>
4813
4814         * tree-pretty-print.c (dump_generic_node): Add break after
4815         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4816         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4817         FUNCTION_TYPE together.  Call print_struct_decl when printing
4818         structures and TDF_SLIM is not given.
4819         (print_struct_decl): Fix logic for detecting recursion.
4820
4821 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4822
4823         PR 31567
4824         * gcc.c (create_at_file): New.
4825         (compile_input_file_p): New.
4826         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4827         * main.c (main): Update call to toplev_main.
4828         * toplev.c (toplev_main): Change signature. Call expandargv.
4829         * toplev.h (toplev_main): Change signature.
4830
4831 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4832
4833         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4834         if the latter is not constant.
4835
4836 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4837
4838         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4839
4840 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4841
4842         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4843         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4844
4845 2009-04-17  Richard Guenther  <rguenther@suse.de>
4846
4847         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4848         Handle component references view-converting an invariant address.
4849
4850 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4851
4852         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4853         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4854         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4855         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4856         Use @deftypevr rather than @deftypevar.
4857
4858 2009-04-17  Richard Guenther  <rguenther@suse.de>
4859
4860         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4861         (get_prop_source_stmt): Likewise.
4862         (can_propagate_from): Likewise.
4863
4864 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4865
4866         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4867         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4868         (--with-multilib-list): Add default value.
4869         * configure: Regenerate.
4870         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4871         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4872         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4873         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4874         Don't add default cpu to multilib list unnecessarily, but do enable
4875         the relevant compiler option..
4876         Add support for --with-multilib-list=<blank> and
4877         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4878         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4879         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4880         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4881         TM_MULTILIB_CONFIG.
4882         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4883         (MULTILIB_OSDIRNAMES): New variable.
4884         * config/sh/t-1e: Delete file.
4885         * config/sh/t-mlib-sh1: Delete file.
4886         * config/sh/t-mlib-sh2: Delete file.
4887         * config/sh/t-mlib-sh2a: Delete file.
4888         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4889         * config/sh/t-mlib-sh2a-single: Delete file.
4890         * config/sh/t-mlib-sh2a-single-only: Delete file.
4891         * config/sh/t-mlib-sh2e: Delete file.
4892         * config/sh/t-mlib-sh3e: Delete file.
4893         * config/sh/t-mlib-sh4: Delete file.
4894         * config/sh/t-mlib-sh4-nofpu: Delete file.
4895         * config/sh/t-mlib-sh4-single: Delete file.
4896         * config/sh/t-mlib-sh4-single-only: Delete file.
4897         * config/sh/t-mlib-sh4a: Delete file.
4898         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4899         * config/sh/t-mlib-sh4a-single: Delete file.
4900         * config/sh/t-mlib-sh4a-single-only: Delete file.
4901         * config/sh/t-mlib-sh4al: Delete file.
4902         * config/sh/t-mlib-sh5-32media: Delete file.
4903         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4904         * config/sh/t-mlib-sh5-64media: Delete file.
4905         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4906         * config/sh/t-mlib-sh5-compact: Delete file.
4907         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4908         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4909         * doc/install.texi (Options specification): Add
4910         --with-multilib-list and --with-endian.
4911
4912 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4913
4914         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4915         REVISION_c.
4916         (OBJS-common): Add plugin-version.o.
4917         (plugin-version.o): New.
4918         * gcc-plugin.h (plugin_gcc_version): New.
4919         (plugin_default_version_check): New.
4920         (plugin_init_func, plugin_init): Add version argument.
4921         * plugin-version.c: New.
4922         * plugin.c (str_plugin_gcc_version_name): New.
4923         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4924         pass it to the init function.
4925         (plugin_default_version_check): New.
4926
4927 2009-04-17  Richard Guenther  <rguenther@suse.de>
4928
4929         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4930         for decl-vs-decl disambiguation.
4931
4932 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4933
4934         * config/s390/s390.h (s390_tune_attr): New macro definition.
4935         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4936
4937 2009-04-17  Richard Guenther  <rguenther@suse.de>
4938
4939         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4940         (fold_stmt_r): Likewise.
4941         (maybe_fold_reference): New function.
4942         (fold_gimple_assign): Handle cases fold_stmt_r did.
4943         (fold_stmt): Do not use fold_stmt_r.
4944         (fold_stmt_inplace): Likewise.
4945
4946 2009-04-17  Richard Guenther  <rguenther@suse.de>
4947
4948         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4949         (record_equivalences_from_stmt): Remove useless checks and
4950         simplifications.
4951         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4952         the type is already suitable.
4953
4954 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4955
4956         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4957
4958 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4959
4960         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4961         (CMPtype): Define as __gcc_CMPtype.
4962
4963 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4964
4965         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4966         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4967
4968 2009-04-17  Richard Guenther  <rguenther@suse.de>
4969
4970         PR tree-optimization/39746
4971         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4972         special-casing for builtins and static variable use/def.
4973         (call_may_clobber_ref_p_1): Likewise.
4974
4975 2009-04-16  Ian Lance Taylor  <iant@google.com>
4976
4977         * df.h: Include "timevar.h".
4978         (struct df_problem): Change tv_id field to timevar_id_t.
4979         * tree-pass.h: Include "timevar.h".
4980         (struct opt_pass): Change tv_id field to timevar_id_t.
4981         * timevar.h (timevar_id_t): Define TV_NONE.
4982         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4983         TV_NONE rather than tv_id != 0.
4984         (execute_one_pass): Likewise.
4985         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4986         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4987         dependencies to $(TREE_PASS_H).
4988         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4989         to TV_NONE.
4990         (pass_branch_target_load_optimize2): Likewise.
4991         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
4992         (pass_outof_cfg_layout_mode): Likewise.
4993         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
4994         (pass_rebuild_cgraph_edges): Likewise.
4995         (pass_remove_cgraph_callee_edges): Likewise.
4996         * df-core.c (pass_df_initialize_opt): Likewise.
4997         (pass_df_initialize_no_opt): Likewise.
4998         (pass_df_finish): Likewise.
4999         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
5000         * except.c (pass_set_nothrow_function_flags): Likewise.
5001         (pass_convert_to_eh_region_ranges): Likewise.
5002         * final.c (pass_compute_alignments): Likewise.
5003         * function.c (pass_instantiate_virtual_regs): Likewise.
5004         (pass_init_function): Likewise.
5005         (pass_leaf_regs): Likewise.
5006         (pass_match_asm_constraints): Likewise.
5007         * gimple-low.c (pass_lower_cf): Likewise.
5008         (pass_mark_used_blocks): Likewise.
5009         * init-regs.c (pass_initialize_regs): Likewise.
5010         * integrate.c (pass_initial_value_sets): Likewise.
5011         * ira.c (pass_ira): Likewise.
5012         * jump.c (pass_cleanup_barriers): Likewise.
5013         * omp-low.c (pass_expand_omp): Likewise.
5014         (pass_lower_omp): Likewise.
5015         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
5016         * recog.c (pass_split_all_insns): Likewise.
5017         (pass_split_after_reload): Likewise.
5018         (pass_split_before_regstack): Likewise.
5019         (pass_split_before_sched2): Likewise.
5020         (pass_split_for_shorten_branches): Likewise.
5021         * reginfo.c (pass_reginfo_init): Likewise.
5022         (pass_subregs_of_mode_init): Likewise.
5023         (pass_subregs_of_mode_finish): Likewise.
5024         * passes.c (pass_postreload): Likewise.
5025         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
5026         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
5027         (pass_warn_function_return): Likewise.
5028         (pass_warn_function_noreturn): Likewise.
5029         * tree-complex.c (pass_lower_complex): Likewise.
5030         (pass_lower_complex_O0): Likewise.
5031         * tree-if-conv.c (pass_if_conversion): Likewise.
5032         * tree-into-ssa.c (pass_build_ssa): Likewise.
5033         * tree-mudflap.c (pass_mudflap_1): Likewise.
5034         (pass_mudflap_2): Likewise.
5035         * tree-nomudflap.c (pass_mudflap_1): Likewise.
5036         (pass_mudflap_2): Likewise.
5037         * tree-nrv.c (pass_return_slot): Likewise.
5038         * tree-object-size.c (pass_object_sizes): Likewise.
5039         * tree-optimize.c (pass_all_optimizations): Likewise.
5040         (pass_early_local_passes): Likewise.
5041         (pass_all_early_optimizations): Likewise.
5042         (pass_cleanup_cfg): Likewise.
5043         (pass_cleanup_cfg_post_optimizing): Likewise.
5044         (pass_free_datastructures): Likewise.
5045         (pass_free_cfg_annotations): Likewise.
5046         (pass_fixup_cfg): Likewise.
5047         (pass_init_datastructures): Likewise.
5048         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
5049         (pass_late_warn_uninitialized): Likewise.
5050         (pass_update_address_taken): Likewise.
5051         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
5052         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
5053         (pass_cse_sincos): Likewise.
5054         (pass_convert_to_rsqrt): Likewise.
5055         * tree-ssa-structalias.c (pass_build_alias): Likewise.
5056         * tree-stdarg.c (pass_stdarg): Likewise.
5057         * tree-tailcall.c (pass_tail_recursion): Likewise.
5058         (pass_tail_calls): Likewise.
5059         * tree-vect-generic.c (pass_lower_vector): Likewise.
5060         (pass_lower_vector_ssa): Likewise.
5061         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
5062
5063 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
5064
5065         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
5066         XLR entry.
5067         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
5068         Handle -march=xlr.
5069         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
5070         logical and signext.
5071
5072 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
5073
5074         PR target/39767
5075         * config/sh/predicates.md (arith_operand): Check if the operand
5076         of TRUNCATE is a REG.
5077
5078 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5079
5080         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
5081         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
5082
5083 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5084
5085         * tree-iterator.c (tsi_split_statement_list_after,
5086         tsi_split_statement_list_before): Remove.
5087         * tree-iterator.h: Remove the prototypes for
5088         tsi_split_statement_list_after and tsi_split_statement_list_before.
5089
5090 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5091
5092         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
5093         * tree-ssa-propagate.h: Remove the prototype for
5094         stmt_makes_single_load.
5095
5096 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5097
5098         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
5099         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
5100
5101 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5102
5103         * tree-iterator.c (EXPR_LAST_BODY): Remove.
5104
5105 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5106
5107         * except.c (eh_region_outer_p): Remove.
5108         * except.h: Remove the prototype for eh_region_outer_p.
5109
5110 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5111
5112         * function.c (current_function_assembler_name): Remove.
5113         * function.h: Remove the prototype for
5114         current_function_assembler_name.
5115
5116 2009-04-16  Ian Lance Taylor  <iant@google.com>
5117
5118         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
5119         (add_reg_note): Call alloc_reg_note.
5120         * rtl.h (alloc_reg_note): Declare.
5121         * combine.c (try_combine): Use alloc_reg_note.
5122         (recog_for_combine, move_deaths): Likewise.
5123         (distribute_notes): Use alloc_reg_note and add_reg_note.
5124         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
5125         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
5126         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
5127
5128 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
5129
5130         PR rtl-optimization/39762
5131         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
5132         ira_may_move_out_cost): Add comments about way of their usage.
5133         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
5134
5135         * ira-conflicts.c (process_regs_for_copy): Use function
5136         ira_get_register_move_cost instead of global
5137         ira_register_move_cost.
5138
5139         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
5140         color_pass, move_spill_restore, update_curr_costs): Ditto.
5141
5142         * ira-lives.c (process_single_reg_class_operands): Ditto.
5143
5144         * ira-emit.c (emit_move_list): Ditto.
5145
5146         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
5147         (record_reg_classes): Ditto.  Use functions
5148         ira_get_register_move_cost and ira_get_may_move_cost instead of
5149         global vars ira_register_move_cost, ira_may_move_out_cost and
5150         ira_may_move_in_cost.
5151         (record_address_regs): Don't call ira_init_register_move_cost.
5152         Use function ira_get_may_move_cost instead of global
5153         ira_may_move_in_cost.
5154         (process_bb_node_for_hard_reg_moves): Use function
5155         ira_get_register_move_cost instead of global ira_register_move_cost.
5156         (ira_costs): Don't call ira_init_register_move_cost.
5157
5158 2009-04-16  Richard Guenther  <rguenther@suse.de>
5159
5160         * tree-cfg.c (verify_gimple_assign_binary):
5161         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
5162         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
5163         (create_general_new_stmt): Note that this function is broken.
5164
5165 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5166
5167         * common.opt (fhelp): Add Var(help_flag).
5168         * gcc-plugin.h (plugin_info): Add help.
5169         * plugin.c (plugin_name_args): Add help.
5170         (register_plugin_info): Set plugin->help.
5171         (print_help_one_plugin): New.
5172         (print_plugins_help): New.
5173         * plugin.h (print_plugins_help): New.
5174         * toplev.c (toplev_main): Call print_plugins_help if needed.
5175
5176 2009-04-16  Richard Guenther  <rguenther@suse.de>
5177
5178         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
5179         (gimple_ior_addresses_taken_1): New function.
5180         (gimple_ior_addresses_taken): Likewise.
5181         * gimple.h (struct gimple_statement_with_ops_base): Remove
5182         addresses_taken member.
5183         (gimple_ior_addresses_taken): Declare.
5184         (gimple_addresses_taken, gimple_addresses_taken_ptr,
5185         gimple_set_addresses_taken): Remove.
5186         * ipa-reference.c (mark_address): New function.
5187         (scan_stmt_for_static_refs): Use it for marking addresses taken.
5188         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
5189         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
5190         (gimple_add_to_addresses_taken): Remove.
5191         (get_tmr_operands): Call mark_address_taken.
5192         (get_asm_expr_operands): Likewise.
5193         (get_expr_operands): Likewise.
5194         (build_ssa_operands): Do not clear the addresses_taken bitmap.
5195         (free_stmt_operands): Do not free it.
5196         * tree-ssa.c (delete_tree_ssa): Likewise.
5197         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
5198
5199 2009-04-16  Richard Guenther  <rguenther@suse.de>
5200
5201         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
5202         (walk_stmt_load_store_ops): Likewise.
5203         * gimple.c (get_base_loadstore): New function.
5204         (walk_stmt_load_store_addr_ops): Likewise.
5205         (walk_stmt_load_store_ops): Likewise.
5206         * ipa-pure-const.c (check_op): Simplify.
5207         (check_load, check_store): New functions.
5208         (check_stmt): Use walk_stmt_load_store_ops.
5209         * ipa-reference.c (mark_load): Adjust signature.
5210         (mark_store): Likewise.
5211         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5212
5213 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5214
5215         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5216         (plugin_info): New.
5217         * opts.c (common_handle_option): Don't call print_version.
5218         * plugin.c (plugin_name_args): Add version.
5219         (register_plugin_info): New.
5220         (register_callback): Handle PLUGIN_INFO.
5221         (try_init_one_plugin): New.
5222         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5223         if failed to init.
5224         (finalize_one_plugin): New.
5225         (finalize_plugins): New.
5226         (print_one_plugin): New.
5227         (print_plugins_versions): New.
5228         * plugin.h (print_plugins_versions): New.
5229         (finalize_plugins): New.
5230         * toplev.c (compile_file): Don't call initialize_plugins.
5231         (print_version): Call print_plugins_versions.
5232         (toplev_main): Call initialize_plugins. Print version if needed.
5233         Call finalize_plugins.
5234
5235 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5236
5237         * common.opt (fversion): New.
5238         * gcc.c (print_version): New.
5239         (process_command): Don't print the version. Just set print_version.
5240         (main): Print version. Call subprocesses if print_version and
5241         verbose_flag are set.
5242         * opts.c (common_handle_option): Handle OPT_fversion.
5243
5244 2009-04-16  Richard Guenther  <rguenther@suse.de>
5245             Ira Rosen  <irar@il.ibm.com>
5246
5247         PR tree-optimization/39698
5248         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
5249         type of the reduction variable.  Only generate the def if
5250         it is needed.
5251
5252         * omp-low.c (expand_omp_for_generic): When converting to a pointer
5253         make sure to first convert to an integer of the same precision.
5254         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
5255         the type of the evolution correctly in computing the new
5256         induction variable base.
5257
5258 2009-04-16  Richard Guenther  <rguenther@suse.de>
5259
5260         PR middle-end/39625
5261         * tree-cfg.c (make_blocks): Split statements with to-be
5262         abnormal SSA names on the lhs.
5263
5264 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
5265
5266         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
5267         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
5268         * c-typeck.c (really_start_incremental_init): Likewise.
5269         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
5270         (TARGET_INITIALIZER): Remove it.
5271         * target.h (struct target): Remove vector_opaque_p.
5272         * tree.c (build_opaque_vector_type): New.
5273         * tree.h (TYPE_VECTOR_OPAQUE): New.
5274         (build_opaque_vector_type): Declare.
5275         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
5276         * config/rs6000/rs6000.c (build_opaque_vector_type,
5277         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
5278         (rs6000_init_builtins): Use build_opaque_vector_type for
5279         opaque_V4SI_type_node.
5280
5281 2009-04-15  Catherine Moore  <clm@codesourcery.com>
5282
5283         * debug.h (set_name):  Declare.
5284         * dwarf2out.c (dwarf2out_set_name): Declare.
5285         (dwarf2_debug_hooks): Add set_name.
5286         (find_AT_string): New.
5287         (add_AT_string): Call find_AT_string.
5288         (dwarf2out_set_name): New.
5289         * cp/decl.c (grokdeclarator): Call set_name.
5290         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5291         * debug.c (do_nothing_debug_hooks):  Likewise.
5292         * dbxout.c (dbx_debug_hooks): Likewise.
5293         * sdbout.c (sdb_debug_hooks): Likewise.
5294
5295 2009-04-15  Michael Eager  <eager@eagercon.com>
5296
5297         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5298         reg for single-precision FPU.
5299         * config/rs6000/rs6000.md (movsi_internal1): Only for
5300         !TARGET_SINGLE_FPU.
5301         (movsi_internal1_single): New. Add pattern to move SI values to/from
5302         single-precision FP regs.
5303
5304 2009-04-15  Richard Guenther  <rguenther@suse.de>
5305
5306         * omp-low.c (lower_rec_input_clauses): Build correct address
5307         expressions.
5308         (expand_omp_for_generic): Fix multiplication type.
5309         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5310         (generate_memset_zero): Fix types.
5311         * tree-profile.c (prepare_instrumented_value): Correctly
5312         widen a pointer.
5313
5314 2009-04-15  Ian Lance Taylor  <iant@google.com>
5315
5316         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5317         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5318         for -Wall and for -Wc++-compat.
5319         (c_common_post_options): For C++, set warn_enum_compare if not
5320         already set.
5321         * c-tree.h (struct c_expr): Add field original_type.
5322         (build_external_ref): Update declaration.
5323         * c-parser.c (c_parser_braced_init): Set original_type.
5324         (c_parser_initelt): Likewise.
5325         (c_parser_expr_no_commas): Likewise.
5326         (c_parser_conditional_expression): Likewise.
5327         (c_parser_cast_expression): Likewise.
5328         (c_parser_unary_expression): Likewise.  Pull setting of
5329         original_code to top of function.
5330         (c_parser_sizeof_expression): Set original_type.
5331         (c_parser_alignof_expression): Likewise.
5332         (c_parser_postfix_expression): Likewise.  Pull setting of
5333         original_code to top of function.
5334         (c_parser_postfix_expression_after_paren_type): Set original_type.
5335         (c_parser_postfix_expression_after_primary): Likewise.
5336         (c_parser_expression): Likewise.
5337         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5338         callers.
5339         (c_expr_sizeof_expr): Set original_type field.
5340         (parser_build_unary_op): Likewise.
5341         (parser_build_binary_op): Likewise.  Optionally warn about
5342         comparisons of enums of different types.
5343         (digest_init): Set original_type field.
5344         (really_start_incremental_init): Likewise.
5345         (push_init_level, pop_init_level): Likewise.
5346         * doc/invoke.texi (Warning Options): -Wenum-compare now
5347         supported in C.
5348
5349 2009-04-15  Richard Guenther  <rguenther@suse.de>
5350
5351         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5352         out a necessary conversion.
5353         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5354         names we didn't value number.
5355         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5356
5357 2009-04-15  Richard Guenther  <rguenther@suse.de>
5358
5359         PR tree-optimization/39764
5360         * tree-ssa-ccp.c (get_value): Canonicalize value with
5361         canonicalize_float_value.
5362
5363 2009-04-15  Jan Hubicka  <jh@suse.cz>
5364
5365         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5366         Wrong version of patch.
5367
5368 2009-04-15  Jan Hubicka  <jh@suse.cz>
5369
5370         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5371
5372 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5373
5374         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5375         our distinct integral and vector types.
5376
5377 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5378
5379         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5380         * init.c (build_vtbl_address): Remove call to assemble_external.
5381
5382 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5383
5384         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5385         output for other floating point modes.
5386
5387 2009-04-14  Diego Novillo  <dnovillo@google.com>
5388
5389         * diagnostic.c (diagnostic_report_diagnostic): Do not
5390         warn about loaded plugins for DK_ERROR and DK_WARNING.
5391         * c-decl.c (declspecs_add_type): Move call to
5392         invoke_plugin_callbacks ...
5393         * c-parser.c (c_parser_declspecs): ... here.
5394         * plugin.c (dump_active_plugins): Tidy output.
5395
5396 2009-04-14  Diego Novillo  <dnovillo@google.com>
5397             Le-Chun Wu  <lcwu@google.com>
5398
5399         * configure.ac: Add --enable-plugin support.
5400         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5401         * Makefile.in (PLUGIN_H): Define.
5402         Export ENABLE_PLUGIN and GMPINC to site.exp.
5403         Add PLUGINLIBS to link command.
5404         Add/modify dependencies for plugin.o and files including plugin.h.
5405         (plugin.o): New.
5406         * config.in: Regenerate.
5407
5408         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5409         OPT_fplugin_arg_.
5410
5411 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5412
5413         * tree-pass.h (register_one_dump_file): Add a prototype for
5414         register_one_dump_file.
5415         * toplev.c (compile_file): Call initialize_plugins.
5416         (do_compile): Call invoke_plugin_callbacks.
5417         (toplev_main): Call invoke_plugin_callbacks.
5418         * common.opt: Add -fplugin= and -fplugin-arg-.
5419         * gcc-plugin.h: New public header file for plugins to include.
5420         * plugin.c: New source file.
5421         * plugin.h: New internal header file.
5422         * passes.c (register_one_dump_file): Make it external.
5423
5424         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5425
5426 2009-04-14  Diego Novillo  <dnovillo@google.com>
5427
5428         * doc/plugins.texi: New.
5429         * doc/gccint.texi: Add reference to Plugins chapter.
5430         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5431         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5432         loaded plugins, if any.
5433         * timevar.def (TV_PLUGIN_INIT): Define.
5434         (TV_PLUGIN_RUN): Define.
5435         * plugin.c: Include timevar.h
5436         (plugins_active_p): New.
5437         (dump_active_plugins): New.
5438         (debug_active_plugins): New.
5439
5440 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5441
5442         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5443         library paths.
5444         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5445
5446 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5447
5448         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5449         the same as a minus without a shift.
5450
5451 2009-04-14  Nick Clifton  <nickc@redhat.com>
5452
5453         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5454         comparisons with small integers will always produce a short
5455         branch.
5456
5457 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5458
5459         Merge:
5460         2008-12-19  Diego Novillo  <dnovillo@google.com>
5461
5462         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5463
5464 2009-04-14  Richard Guenther  <rguenther@suse.de>
5465
5466         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5467         verification.
5468         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5469         rotates correctly.
5470         (verify_gimple_phi): Print the mismatched argument position.
5471         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5472         Fix types.
5473         (vect_update_init_of_dr): Likewise.
5474         * matrix-reorg.c (transform_access_sites): Do what the
5475         comment suggests.
5476         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5477
5478 2009-04-13  Michael Eager  <eager@eagercon.com>
5479
5480         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5481         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5482         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5483         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5484         remove duplicate config
5485
5486 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5487
5488         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5489         file_name:line_number type locator of the call site.
5490
5491 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5492
5493         * genautomata.c: Put blank after comma.
5494         (automaton_decls): New.
5495         (struct unit_usage): Add comments to member next.
5496         (store_alt_unit_usage): Keep the list ordered.
5497         (unit_present_on_list_p, equal_alternatives_p): New.
5498         (check_regexp_units_distribution): Check units distribution
5499         correctness correctly.
5500         (main): Don't write automata if error is found.  Return correct
5501         exit code.
5502
5503         * config/m68k/cf.md (cfv4_ds): Remove.
5504         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5505         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5506
5507         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5508         power4-load-ext, power4-store, power4-store-update,
5509         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5510         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5511         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5512         power4-sqrt, power4-isync): Modify reservation to make correct
5513         unit distribution to automata.
5514
5515         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5516         power5-store-update, power5-two, power5-three, power5-lmul,
5517         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5518
5519 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5520
5521         * except.c (pass_set_nothrow_function_flags): Set name and add
5522         TODO_dump_func.
5523         (set_nothrow_function_flags): Mention in the dump file when
5524         changing a function to nothrow.
5525
5526 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5527
5528         PR/39066
5529         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5530         instead of unsigned long.
5531
5532 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5533
5534         * config/arm/arm.c (return_used_this_function): Remove.
5535         (arm_output_function_prologue): Remove use of
5536         return_used_this_function.
5537         (output_return_instruction): Replace use of
5538         return_used_this_function
5539         by cfun->machine->return_used_this_function.
5540         (arm_output_epilogue): Likewise.
5541         (arm_output_function_epilogue): Likewise.
5542         (thumb_unexpanded_epilogue): Likewise.
5543         * config/arm/arm.h (struct machine_function):
5544         New member return_used_this_function.
5545
5546 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5547
5548         * doc/install.texi: Correct description of default directory for
5549         --with-gxx-include-dir.
5550
5551 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5552
5553         * fold-const.c (build_range_check): Properly deal with enumeral and
5554         boolean base types.
5555
5556 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5557
5558         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5559         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5560         * params.h (MAX_GCSE_PASSES): Remove.
5561         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5562         in sequence.  Remove ability to run multiple passes.
5563         (bypass_jumps): Report run as third CPROP pass.
5564
5565 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5566
5567         PR middle-end/39651
5568         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5569         when deciding whether the whole SEQUENCE can throw.
5570
5571 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5572
5573         PR target/39740
5574         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5575         offseted label references.
5576
5577 2009-04-11  Jan Hubicka  <jh@suse.cz>
5578
5579         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5580
5581 2009-04-11  Richard Guenther  <rguenther@suse.de>
5582
5583         PR middle-end/39732
5584         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5585         return variables as TREE_ADDRESSABLE.
5586
5587 2009-04-11  Richard Guenther  <rguenther@suse.de>
5588
5589         PR tree-optimization/39713
5590         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5591         reference trees have SSA_NAME operands.
5592
5593 2009-04-11  Richard Guenther  <rguenther@suse.de>
5594
5595         PR c/39712
5596         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5597         address expressions.
5598
5599 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5600
5601         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5602         match changes in Cygwin 1.7
5603         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5604         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5605
5606 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5607
5608         PR tree-optimization/39701
5609         * doc/invoke.texi (Optimization Options): Document change in
5610         meaning and initialization of -fdelete-null-pointer-checks.
5611
5612 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5613
5614         PR middle-end/39701
5615         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5616
5617         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5618         here.
5619
5620         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5621
5622 2009-04-10  Chao-ying Fu  <fu@mips.com>
5623
5624         * doc/tm.texi (Instruction Output): Document
5625         TARGET_ASM_FINAL_POSTSCAN_INSN.
5626         * target.h (final_postscan_insn): New field in asm_out.
5627         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5628         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5629         * final.c (final_scan_insn): Call
5630         targetm.asm_out.final_postscan_insn after outputting
5631         an asm macro and a normal instruction.
5632
5633         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5634         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5635         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5636         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5637         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5638
5639 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5640
5641         PR middle-end/39701
5642         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5643         variables as non-NULL even with -fdelete-null-pointer-checks.
5644
5645 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5646
5647         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5648
5649 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5650
5651         PR target/39678
5652         * config/i386/i386.c (classify_argument): Handle SCmode with
5653         (bit_offset % 64) != 0.
5654
5655 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5656
5657         * doc/invoke.texi (Optimize Options): Add cross-reference to
5658         -Q --help=optimizers examples.
5659
5660 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5661
5662         PR target/36800
5663         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5664         regalign for the reg == fpr and TDmode case.
5665
5666 2009-04-09  David Ayers  <ayers@fsfe.org>
5667
5668         PR objc/29200
5669         * objc/objc-act.c (warn_with_method): Remove helper function.
5670         (check_duplicates): Call warning and inform directly.
5671         (really_start_method): Likewise.
5672
5673 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5674
5675         * expmed.c (expand_divmod): Always use a comparison for a division
5676         by a large unsigned integer.
5677
5678         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5679         for things others than variables or functions as nonzero.
5680
5681 2009-04-09  Nick Clifton  <nickc@redhat.com>
5682
5683         * unwind-compat.c: Change copyright header to refer to version
5684         3 of the GNU General Public License with version 3.1 of the
5685         GCC Runtime Library Exception and to point readers at the
5686         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5687         * config/alpha/crtfastmath.c: Likewise.
5688         * config/alpha/linux-unwind.h: Likewise.
5689         * config/alpha/qrnnd.asm: Likewise.
5690         * config/alpha/vms-crt0-64.c: Likewise.
5691         * config/alpha/vms-crt0.c: Likewise.
5692         * config/alpha/vms-dwarf2.asm: Likewise.
5693         * config/alpha/vms-dwarf2eh.asm: Likewise.
5694         * config/alpha/vms-psxcrt0-64.c: Likewise.
5695         * config/alpha/vms-psxcrt0.c: Likewise.
5696         * config/alpha/vms_tramp.asm: Likewise.
5697         * config/arc/initfini.c: Likewise.
5698         * config/arc/lib1funcs.asm: Likewise.
5699         * config/arm/bpabi-v6m.S: Likewise.
5700         * config/arm/bpabi.S: Likewise.
5701         * config/arm/bpabi.c: Likewise.
5702         * config/arm/crti.asm: Likewise.
5703         * config/arm/crtn.asm: Likewise.
5704         * config/arm/ieee754-df.S: Likewise.
5705         * config/arm/ieee754-sf.S: Likewise.
5706         * config/arm/lib1funcs.asm: Likewise.
5707         * config/arm/libunwind.S: Likewise.
5708         * config/arm/linux-atomic.c: Likewise.
5709         * config/arm/mmintrin.h: Likewise.
5710         * config/arm/pr-support.c: Likewise.
5711         * config/arm/unaligned-funcs.c: Likewise.
5712         * config/arm/unwind-arm.c: Likewise.
5713         * config/arm/unwind-arm.h: Likewise.
5714         * config/avr/libgcc.S: Likewise.
5715         * config/bfin/crti.s: Likewise.
5716         * config/bfin/crtlibid.s: Likewise.
5717         * config/bfin/crtn.s: Likewise.
5718         * config/bfin/lib1funcs.asm: Likewise.
5719         * config/bfin/linux-unwind.h: Likewise.
5720         * config/cris/arit.c: Likewise.
5721         * config/cris/cris_abi_symbol.c: Likewise.
5722         * config/darwin-64.c: Likewise.
5723         * config/darwin-crt2.c: Likewise.
5724         * config/darwin-crt3.c: Likewise.
5725         * config/darwin.h: Likewise.
5726         * config/dbxelf.h: Likewise.
5727         * config/dfp-bit.c: Likewise.
5728         * config/dfp-bit.h: Likewise.
5729         * config/elfos.h: Likewise.
5730         * config/fixed-bit.c: Likewise.
5731         * config/fixed-bit.h: Likewise.
5732         * config/fp-bit.c: Likewise.
5733         * config/fp-bit.h: Likewise.
5734         * config/fr30/crti.asm: Likewise.
5735         * config/fr30/crtn.asm: Likewise.
5736         * config/fr30/lib1funcs.asm: Likewise.
5737         * config/freebsd-spec.h: Likewise.
5738         * config/frv/cmovd.c: Likewise.
5739         * config/frv/cmovh.c: Likewise.
5740         * config/frv/cmovw.c: Likewise.
5741         * config/frv/frvbegin.c: Likewise.
5742         * config/frv/frvend.c: Likewise.
5743         * config/frv/lib1funcs.asm: Likewise.
5744         * config/glibc-stdint.h: Likewise.
5745         * config/h8300/clzhi2.c: Likewise.
5746         * config/h8300/crti.asm: Likewise.
5747         * config/h8300/crtn.asm: Likewise.
5748         * config/h8300/ctzhi2.c: Likewise.
5749         * config/h8300/fixunssfsi.c: Likewise.
5750         * config/h8300/lib1funcs.asm: Likewise.
5751         * config/h8300/parityhi2.c: Likewise.
5752         * config/h8300/popcounthi2.c: Likewise.
5753         * config/i386/ammintrin.h: Likewise.
5754         * config/i386/att.h: Likewise.
5755         * config/i386/avxintrin.h: Likewise.
5756         * config/i386/biarch64.h: Likewise.
5757         * config/i386/bmmintrin.h: Likewise.
5758         * config/i386/cpuid.h: Likewise.
5759         * config/i386/cross-stdarg.h: Likewise.
5760         * config/i386/crtfastmath.c: Likewise.
5761         * config/i386/crtprec.c: Likewise.
5762         * config/i386/cygming-crtbegin.c: Likewise.
5763         * config/i386/cygming-crtend.c: Likewise.
5764         * config/i386/cygwin.asm: Likewise.
5765         * config/i386/emmintrin.h: Likewise.
5766         * config/i386/gmm_malloc.h: Likewise.
5767         * config/i386/gthr-win32.c: Likewise.
5768         * config/i386/i386.h: Likewise.
5769         * config/i386/immintrin.h: Likewise.
5770         * config/i386/linux-unwind.h: Likewise.
5771         * config/i386/linux64.h: Likewise.
5772         * config/i386/mm3dnow.h: Likewise.
5773         * config/i386/mmintrin-common.h: Likewise.
5774         * config/i386/mmintrin.h: Likewise.
5775         * config/i386/nmmintrin.h: Likewise.
5776         * config/i386/pmm_malloc.h: Likewise.
5777         * config/i386/pmmintrin.h: Likewise.
5778         * config/i386/smmintrin.h: Likewise.
5779         * config/i386/sol2-c1.asm: Likewise.
5780         * config/i386/sol2-ci.asm: Likewise.
5781         * config/i386/sol2-cn.asm: Likewise.
5782         * config/i386/sol2-gc1.asm: Likewise.
5783         * config/i386/tmmintrin.h: Likewise.
5784         * config/i386/unix.h: Likewise.
5785         * config/i386/w32-unwind.h: Likewise.
5786         * config/i386/wmmintrin.h: Likewise.
5787         * config/i386/x86-64.h: Likewise.
5788         * config/i386/x86intrin.h: Likewise.
5789         * config/i386/xmmintrin.h: Likewise.
5790         * config/ia64/crtbegin.asm: Likewise.
5791         * config/ia64/crtend.asm: Likewise.
5792         * config/ia64/crtfastmath.c: Likewise.
5793         * config/ia64/crti.asm: Likewise.
5794         * config/ia64/crtn.asm: Likewise.
5795         * config/ia64/fde-glibc.c: Likewise.
5796         * config/ia64/lib1funcs.asm: Likewise.
5797         * config/ia64/linux-unwind.h: Likewise.
5798         * config/ia64/quadlib.c: Likewise.
5799         * config/ia64/unwind-ia64.c: Likewise.
5800         * config/linux.h: Likewise.
5801         * config/m32c/m32c-lib1.S: Likewise.
5802         * config/m32c/m32c-lib2-trapv.c: Likewise.
5803         * config/m32c/m32c-lib2.c: Likewise.
5804         * config/m32r/initfini.c: Likewise.
5805         * config/m68hc11/larith.asm: Likewise.
5806         * config/m68hc11/m68hc11-crt0.S: Likewise.
5807         * config/m68k/cf.md: Likewise.
5808         * config/m68k/crti.s: Likewise.
5809         * config/m68k/crtn.s: Likewise.
5810         * config/m68k/lb1sf68.asm: Likewise.
5811         * config/m68k/linux-unwind.h: Likewise.
5812         * config/mcore/crti.asm: Likewise.
5813         * config/mcore/crtn.asm: Likewise.
5814         * config/mcore/lib1.asm: Likewise.
5815         * config/mips/linux-unwind.h: Likewise.
5816         * config/mips/loongson.h: Likewise.
5817         * config/mips/mips16.S: Likewise.
5818         * config/mmix/crti.asm: Likewise.
5819         * config/mmix/crtn.asm: Likewise.
5820         * config/pa/fptr.c: Likewise.
5821         * config/pa/hpux-unwind.h: Likewise.
5822         * config/pa/lib2funcs.asm: Likewise.
5823         * config/pa/linux-atomic.c: Likewise.
5824         * config/pa/linux-unwind.h: Likewise.
5825         * config/pa/milli64.S: Likewise.
5826         * config/pa/quadlib.c: Likewise.
5827         * config/pa/stublib.c: Likewise.
5828         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5829         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5830         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5831         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5832         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5833         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5834         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5835         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5836         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5837         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5838         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5839         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5840         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5841         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5842         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5843         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5844         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5845         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5846         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5847         * config/rs6000/750cl.h: Likewise.
5848         * config/rs6000/altivec.h: Likewise.
5849         * config/rs6000/biarch64.h: Likewise.
5850         * config/rs6000/crtresfpr.asm: Likewise.
5851         * config/rs6000/crtresgpr.asm: Likewise.
5852         * config/rs6000/crtresxfpr.asm: Likewise.
5853         * config/rs6000/crtresxgpr.asm: Likewise.
5854         * config/rs6000/crtsavfpr.asm: Likewise.
5855         * config/rs6000/crtsavgpr.asm: Likewise.
5856         * config/rs6000/darwin-asm.h: Likewise.
5857         * config/rs6000/darwin-fallback.c: Likewise.
5858         * config/rs6000/darwin-fpsave.asm: Likewise.
5859         * config/rs6000/darwin-ldouble.c: Likewise.
5860         * config/rs6000/darwin-tramp.asm: Likewise.
5861         * config/rs6000/darwin-unwind.h: Likewise.
5862         * config/rs6000/darwin-vecsave.asm: Likewise.
5863         * config/rs6000/darwin-world.asm: Likewise.
5864         * config/rs6000/e500crtres32gpr.asm: Likewise.
5865         * config/rs6000/e500crtres64gpr.asm: Likewise.
5866         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5867         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5868         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5869         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5870         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5871         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5872         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5873         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5874         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5875         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5876         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5877         * config/rs6000/eabi-ci.asm: Likewise.
5878         * config/rs6000/eabi-cn.asm: Likewise.
5879         * config/rs6000/eabi.asm: Likewise.
5880         * config/rs6000/linux-unwind.h: Likewise.
5881         * config/rs6000/linux64.h: Likewise.
5882         * config/rs6000/paired.h: Likewise.
5883         * config/rs6000/paired.md: Likewise.
5884         * config/rs6000/ppc64-fp.c: Likewise.
5885         * config/rs6000/ppu_intrinsics.h: Likewise.
5886         * config/rs6000/rs6000.h: Likewise.
5887         * config/rs6000/si2vmx.h: Likewise.
5888         * config/rs6000/sol-ci.asm: Likewise.
5889         * config/rs6000/sol-cn.asm: Likewise.
5890         * config/rs6000/spe.h: Likewise.
5891         * config/rs6000/spu2vmx.h: Likewise.
5892         * config/rs6000/sysv4.h: Likewise.
5893         * config/rs6000/tramp.asm: Likewise.
5894         * config/rs6000/vec_types.h: Likewise.
5895         * config/s390/linux-unwind.h: Likewise.
5896         * config/s390/tpf-unwind.h: Likewise.
5897         * config/score/crti.asm: Likewise.
5898         * config/score/crtn.asm: Likewise.
5899         * config/sh/crt1.asm: Likewise.
5900         * config/sh/crti.asm: Likewise.
5901         * config/sh/crtn.asm: Likewise.
5902         * config/sh/divtab-sh4-300.c: Likewise.
5903         * config/sh/divtab-sh4.c: Likewise.
5904         * config/sh/divtab.c: Likewise.
5905         * config/sh/lib1funcs-4-300.asm: Likewise.
5906         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5907         * config/sh/lib1funcs.asm: Likewise.
5908         * config/sh/lib1funcs.h: Likewise.
5909         * config/sh/linux-atomic.asm: Likewise.
5910         * config/sh/linux-unwind.h: Likewise.
5911         * config/sh/shmedia.h: Likewise.
5912         * config/sh/sshmedia.h: Likewise.
5913         * config/sh/ushmedia.h: Likewise.
5914         * config/sparc/crtfastmath.c: Likewise.
5915         * config/sparc/linux-unwind.h: Likewise.
5916         * config/sparc/sol2-c1.asm: Likewise.
5917         * config/sparc/sol2-ci.asm: Likewise.
5918         * config/sparc/sol2-cn.asm: Likewise.
5919         * config/spu/divmodti4.c: Likewise.
5920         * config/spu/divv2df3.c: Likewise.
5921         * config/spu/float_disf.c: Likewise.
5922         * config/spu/float_unsdidf.c: Likewise.
5923         * config/spu/float_unsdisf.c: Likewise.
5924         * config/spu/float_unssidf.c: Likewise.
5925         * config/spu/mfc_multi_tag_release.c: Likewise.
5926         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5927         * config/spu/mfc_tag_release.c: Likewise.
5928         * config/spu/mfc_tag_reserve.c: Likewise.
5929         * config/spu/mfc_tag_table.c: Likewise.
5930         * config/spu/multi3.c: Likewise.
5931         * config/spu/spu_internals.h: Likewise.
5932         * config/spu/spu_intrinsics.h: Likewise.
5933         * config/spu/spu_mfcio.h: Likewise.
5934         * config/spu/vec_types.h: Likewise.
5935         * config/spu/vmx2spu.h: Likewise.
5936         * config/stormy16/stormy16-lib2.c: Likewise.
5937         * config/svr4.h: Likewise.
5938         * config/sync.c: Likewise.
5939         * config/v850/lib1funcs.asm: Likewise.
5940         * config/vxlib-tls.c: Likewise.
5941         * config/vxlib.c: Likewise.
5942         * config/vxworks-dummy.h: Likewise.
5943         * config/xtensa/crti.asm: Likewise.
5944         * config/xtensa/crtn.asm: Likewise.
5945         * config/xtensa/ieee754-df.S: Likewise.
5946         * config/xtensa/ieee754-sf.S: Likewise.
5947         * config/xtensa/lib1funcs.asm: Likewise.
5948         * config/xtensa/lib2funcs.S: Likewise.
5949         * config/xtensa/linux-unwind.h: Likewise.
5950         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5951         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5952         * coretypes.h: Likewise.
5953         * crtstuff.c: Likewise.
5954         * defaults.h: Likewise.
5955         * dwarf2.h: Likewise.
5956         * emutls.c: Likewise.
5957         * gbl-ctors.h: Likewise.
5958         * gcov-io.h: Likewise.
5959         * ginclude/float.h: Likewise.
5960         * ginclude/iso646.h: Likewise.
5961         * ginclude/stdarg.h: Likewise.
5962         * ginclude/stdbool.h: Likewise.
5963         * ginclude/stddef.h: Likewise.
5964         * ginclude/stdfix.h: Likewise.
5965         * ginclude/stdint-gcc.h: Likewise.
5966         * ginclude/tgmath.h: Likewise.
5967         * gthr-aix.h: Likewise.
5968         * gthr-dce.h: Likewise.
5969         * gthr-gnat.c: Likewise.
5970         * gthr-gnat.h: Likewise.
5971         * gthr-lynx.h: Likewise.
5972         * gthr-mipssde.h: Likewise.
5973         * gthr-nks.h: Likewise.
5974         * gthr-posix.c: Likewise.
5975         * gthr-posix.h: Likewise.
5976         * gthr-posix95.h: Likewise.
5977         * gthr-rtems.h: Likewise.
5978         * gthr-single.h: Likewise.
5979         * gthr-solaris.h: Likewise.
5980         * gthr-tpf.h: Likewise.
5981         * gthr-vxworks.h: Likewise.
5982         * gthr-win32.h: Likewise.
5983         * gthr.h: Likewise.
5984         * libgcc2.c: Likewise.
5985         * libgcc2.h: Likewise.
5986         * libgcov.c: Likewise.
5987         * tsystem.h: Likewise.
5988         * typeclass.h: Likewise.
5989         * unwind-c.c: Likewise.
5990         * unwind-compat.h: Likewise.
5991         * unwind-dw2-fde-compat.c: Likewise.
5992         * unwind-dw2-fde-darwin.c: Likewise.
5993         * unwind-dw2-fde-glibc.c: Likewise.
5994         * unwind-dw2-fde.c: Likewise.
5995         * unwind-dw2-fde.h: Likewise.
5996         * unwind-dw2.c: Likewise.
5997         * unwind-dw2.h: Likewise.
5998         * unwind-generic.h: Likewise.
5999         * unwind-pe.h: Likewise.
6000         * unwind-sjlj.c: Likewise.
6001         * unwind.inc: Likewise.
6002         * config/arm/neon-gen.ml: Change generated copyright header to
6003         refer to version 3 of the GNU General Public License with
6004         version 3.1 of the GCC Runtime Library Exception and to point
6005         readers at the COPYING3 and COPYING3.RUNTIME files and the
6006         FSF's license web page.
6007         * config/arm/arm_neon.h: Regenerate.
6008
6009 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
6010
6011         * config/cris/cris.md: Change copyright header to refer to version
6012         3 of the GNU General Public License.
6013         * doc/install.texi2html: Change copyright header to refer to version
6014         3 of the GNU General Public License and to point readers at the
6015         COPYING3 file and the FSF's license web page.
6016         * config/vax/linux.h: Likewise.
6017
6018 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6019
6020         * config/i386/i386.md (cmpcc): New.
6021         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
6022         (sync_compare_and_swap_cc*): Delete.
6023
6024         * config/s390/s390.c (s390_compare_emitted): Remove.
6025         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
6026         s390_compare_emitted used to be handled.  Assert that modes match.
6027         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
6028         refer to sync_compare_and_swap_ccsi.
6029         * config/s390/s390.h (s390_compare_emitted): Remove.
6030         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
6031         instead of s390_compare_emitted.
6032         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
6033         instead of s390_compare_emitted.
6034         * config/s390/s390.md (cmpcc): New.
6035         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
6036         CC_REGNUM, do not pretend it's set.
6037         (sync_compare_and_swap_cc*): Delete.
6038         * config/s390/predicates.md (cc_reg_operand): New.
6039
6040         * expr.c (sync_compare_and_swap_cc): Delete.
6041         * optabs.h (sync_compare_and_swap_cc): Delete.
6042         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
6043         is being used with can_compare_p.
6044         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
6045         (find_cc_set): New.
6046         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
6047         look for a MODE_CC set instead.  Use emit_store_flag.
6048         (expand_compare_and_swap_loop): Likewise, with some additional
6049         complication to avoid a force_reg when useless.  Use
6050         emit_cmp_and_jump_insns.
6051         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
6052         * doc/md.texi (sync_compare_and_swap_cc): Merge with
6053         sync_compare_and_swap documentation.
6054
6055 2009-04-09  Jan Hubicka  <jh@suse.cz>
6056
6057         * except.c (find_prev_try): Break out from ....
6058         (duplicate_eh_regions): ... here; properly update prev_try pointers
6059         when duplication part of tree.
6060         (dump_eh_tree): Improve dumping.
6061         (verify_eh_region): New.
6062         (verify_eh_tree): Use it.
6063
6064 2009-04-06  Richard Guenther  <rguenther@suse.de>
6065
6066         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
6067         &ARRAY addresses by adjusting their types and prepending
6068         a conversion.
6069         * tree-cfg.c (verify_gimple_assign_single): Verify that
6070         addresses are correct.
6071
6072 2009-04-09  Richard Guenther  <rguenther@suse.de>
6073
6074         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
6075         indices into an array reference if possible.
6076         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6077         Fold POINTER_PLUS_EXPR statements with invariant address.
6078
6079 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
6080
6081         PR target/39634
6082         * config.gcc (powerpc64-*-linux*): Always build biarch.
6083
6084 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
6085
6086         PR c/39613
6087         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
6088         it and pedwarn if this results in an INTEGER_CST.
6089
6090 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6091
6092         * doc/install.texi: Update minimum GMP version.  Remove obsolete
6093         text in MPFR section.
6094
6095 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
6096
6097         * dwarf2out.c (class_scope_p): New static inline.
6098         (class_or_namespace_scope_p): Use it.
6099         (gen_variable_die): Use DW_TAG_member tag for static data member
6100         declarations instead of DW_TAG_variable.
6101
6102         PR middle-end/39573
6103         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
6104         variables.
6105
6106 2009-04-08  Richard Guenther  <rguenther@suse.de>
6107
6108         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
6109         valueize random data.
6110
6111 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
6112
6113         * config.gcc (aix tm_file):  Add aix-stdint.h.
6114         (aix tm clause use_gcc_stdint):  Set to wrap.
6115         * config/rs6000/aix-stdint.h:  New file.
6116
6117 2009-04-08  Richard Guenther  <rguenther@suse.de>
6118
6119         PR middle-end/36291
6120         * tree-dfa.c (add_referenced_var): Do not recurse into
6121         global initializers.
6122         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
6123         exposed variables.
6124         (fold_const_aggregate_ref): Likewise.
6125
6126 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6127
6128         * recog.c (ordered_comparison_operator): New.
6129         * gensupport.c (std_preds): Add it.
6130         * doc/md.texi (Machine-Independent Predicates): Document it.
6131
6132 2009-04-08  Jan Hubicka  <jh@suse.cz>
6133
6134         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
6135         * function.h (rtl_eh): Remove exception_handler_label_map.
6136         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
6137         remove_exception_handler_label, for_each_eh_label_1): Remove.
6138         (rtl_remove_unreachable_regions): Remove.
6139         (convert_from_eh_region_ranges): Do not remove unreachable regions.
6140         (find_exception_handler_labels): Don't build the hashtable.
6141         (maybe_remove_eh_handler): Remove.
6142         (for_each_eh_label): Rewrite to walk the tree.
6143         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
6144         * except.h (maybe_remove_eh_handler): Remove.
6145         * passes.c (init_optimization_passes): Schedule second EH cleanup
6146         before out-of-ssa.
6147         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
6148         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
6149
6150 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6151
6152         * genoutput.c (validate_optab_operands): New.
6153         (gen_insn, gen_expand): Call it.
6154
6155         * genflags.c (gen_insn): Detect misused iterators.
6156         (main): Pass line_no to gen_insn, exit with status 1 on error.
6157
6158         * genextract.c (line_no): Make global.
6159         (VEC_safe_set_locstr): Change assertion to error message.
6160         (main): Exit with status 1 on error.
6161
6162 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
6163
6164         PR c/39614
6165         PR c/39673
6166         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6167         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6168         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
6169         * c-convert.c (convert): Do not call fold on results of conversion
6170         functions when the result is a C_MAYBE_CONST_EXPR.
6171         * c-parser.c (c_parser_postfix_expression): Do not fold condition
6172         of __builtin_choose_expr.
6173         * c-typeck.c (remove_c_maybe_const_expr): New.
6174         (build_unary_op, build_conditional_expr, build_compound_expr,
6175         build_binary_op, c_objc_common_truthvalue_conversion): Call
6176         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
6177         integer operands.
6178
6179 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
6180
6181         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6182         CODE to produce a new one. Add a prototype to use fold_convert_const
6183
6184 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
6185
6186         PR bootstrap/39660
6187         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
6188         mix declarations and code.
6189
6190 2009-04-08  Ben Elliston  <bje@au.ibm.com>
6191
6192         * gcc.c: Replace `CC' with `GCC' throughout.
6193
6194 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
6195
6196         * doc/invoke.texi: Document Atom support.
6197
6198 2009-04-07  Jason Merrill  <jason@redhat.com>
6199
6200         PR c++/25185
6201         * c-common.h, c-common.c: Add flag_pretty_templates.
6202         * c-opts.c (c_common_handle_option): Set it.
6203         * c.opt: Add -fno-pretty-templates.
6204         * doc/invoke.texi (C++ Dialect Options): Likewise.
6205
6206 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
6207
6208         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
6209         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6210         (ia64_expand_builtin): Likewise.
6211
6212 2009-04-07  Martin Jambor  <mjambor@suse.cz>
6213
6214         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6215         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6216         ADDR_EXPRS are include too.
6217
6218 2009-04-07  Richard Guenther  <rguenther@suse.de>
6219
6220         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6221         decls are only used if passes as parameters or if they are
6222         local statics and the call is not to a builtin.
6223         (call_may_clobber_ref_p_1): Likewise.
6224
6225 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6226
6227         * expr.c (do_store_flag): Remove last argument.  Simplify code
6228         to avoid duplication of tests already done by can_compare_p.
6229         (expand_expr_real_1): Adjust caller.
6230
6231 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6232
6233         * optabs.c (can_compare_p): Test the predicate of a
6234         cbranch and cstore pattern.
6235
6236 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6237
6238         * expr.c (convert_move): Use emit_store_flag instead of
6239         "emulating" it.
6240
6241 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6242
6243         * config/i386/i386.c (ix86_compare_emitted): Remove.
6244         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
6245         ix86_compare_op0 like ix86_compare_emitted used to be handled.
6246         * config/i386/i386.h (ix86_compare_emitted): Remove.
6247         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
6248         instead of ix86_compare_emitted.
6249         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
6250
6251 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
6252
6253         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
6254         Add t-sysroot-suffix to tmake_file.
6255         * config/print-sysroot-suffix.sh: New file.
6256         * config/t-sysroot-suffix: New file.
6257
6258 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6259
6260         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
6261         as the latter produces a warning when the target does not support
6262         infinity.
6263
6264 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6265
6266         * dfp.c: Replace type punning assignments with memcpy throughout.
6267         * Makefile.in (dfp.o-warn): Remove.
6268
6269 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
6270
6271         PR target/39634
6272         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
6273         Include soft-fp/t-softfp after rs6000/t-linux64.
6274
6275 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
6276
6277         * stor-layout.c (set_sizetype): Use the full precision of their
6278         machine mode for bitsize types.
6279
6280 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
6281
6282         * config/i386/i386.md: Revert 2 accidental checkins.
6283
6284 2009-04-06  Joey Ye  <joey.ye@intel.com>
6285             Xuepeng Guo  <xuepeng.guo@intel.com>
6286             H.J. Lu  <hongjiu.lu@intel.com>
6287
6288         Atom pipeline model, tuning and insn selection.
6289         * config.gcc (atom): Add atom config options and target.
6290
6291         * config/i386/atom.md: New.
6292
6293         * config/i386/i386.c (atom_cost): New cost.
6294         (m_ATOM): New macro flag.
6295         (initial_ix86_tune_features): Set m_ATOM.
6296         (x86_accumulate_outgoing_args): Likewise.
6297         (x86_arch_always_fancy_math_387): Likewise.
6298         (processor_target): Add Atom cost.
6299         (cpu_names): Add Atom cpu name.
6300         (override_options): Set Atom ISA.
6301         (ix86_issue_rate): New case PROCESSOR_ATOM.
6302         (ix86_adjust_cost): Likewise.
6303
6304         * config/i386/i386.h (TARGET_ATOM): New target macro.
6305         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6306         (TARGET_OPT_AGU): New target option.
6307         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6308         (processor_type): Add PROCESSOR_ATOM.
6309
6310         * config/i386/i386.md (cpu): Add new value "atom".
6311         (use_carry, movu): New attr.
6312         (atom.md): Include atom.md.
6313         (adddi3_carry_rex64): Set attr "use_carry".
6314         (addqi3_carry): Likewise.
6315         (addhi3_carry): Likewise.
6316         (addsi3_carry): Likewise.
6317         (*addsi3_carry_zext): Likewise.
6318         (subdi3_carry_rex64): Likewise.
6319         (subqi3_carry): Likewise.
6320         (subhi3_carry): Likewise.
6321         (subsi3_carry): Likewise.
6322         (x86_movdicc_0_m1_rex64): Likewise.
6323         (*x86_movdicc_0_m1_se): Likewise.
6324         (x86_movsicc_0_m1): Likewise.
6325         (*x86_movsicc_0_m1_se): Likewise.
6326         (*adddi_1_rex64): Emit add insn as much as possible.
6327         (*addsi_1): Likewise.
6328         (return_internal): Set atom_unit.
6329         (return_internal_long): Likewise.
6330         (return_pop_internal): Likewise.
6331         (*rcpsf2_sse): Set atom_sse_attr attr.
6332         (*qrt<mode>2_sse): Likewise.
6333         (*prefetch_sse): Likewise.
6334
6335         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6336         PROCESSOR_ATOM.
6337         (ix86_target_macros_internal): Likewise.
6338
6339         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6340         (*prefetch_sse_rex): Likewise.
6341         (sse_rcpv4sf2): Likewise.
6342         (sse_vmrcpv4sf2): Likewise.
6343         (sse_sqrtv4sf2): Likewise.
6344         (<sse>_vmsqrt<mode>2): Likewise.
6345         (sse_ldmxcsr): Likewise.
6346         (sse_stmxcsr): Likewise.
6347         (*sse_sfence): Likewise.
6348         (sse2_clflush): Likewise.
6349         (*sse2_mfence): Likewise.
6350         (*sse2_lfence): Likewise.
6351         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6352         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6353         (avx_movdqu<avxmodesuffix>): Likewise.
6354         (avx_lddqu<avxmodesuffix>): Likewise.
6355         (sse2_movntv2di): Change attr "type" to "ssemov".
6356         (sse2_movntsi): Likewise.
6357         (rsqrtv8sf2): Change attr "type" to "sseadd".
6358         (sse3_addsubv2df3): Set attr "atom_unit".
6359         (sse3_h<plusminus_insn>v4sf3): Likewise.
6360         (*sse2_pmaddwd): Likewise.
6361         (*vec_extractv2di_1_rex64): Likewise.
6362         (*vec_extractv2di_1_avx): Likewise.
6363         (sse2_psadbw): Likewise.
6364         (ssse3_phaddwv8hi3): Likewise.
6365         (ssse3_phaddwv4hi3): Likewise.
6366         (ssse3_phadddv4si3): Likewise.
6367         (ssse3_phadddv2si3): Likewise.
6368         (ssse3_phaddswv8hi3): Likewise.
6369         (ssse3_phaddswv4hi3): Likewise.
6370         (ssse3_phsubwv8hi3): Likewise.
6371         (ssse3_phsubwv4hi3): Likewise.
6372         (ssse3_phsubdv4si3): Likewise.
6373         (ssse3_phsubdv2si3): Likewise.
6374         (ssse3_phsubswv8hi3): Likewise.
6375         (ssse3_phsubswv4hi3): Likewise.
6376         (ssse3_pmaddubsw128): Likewise.
6377         (sse3_pmaddubsw: Likewise.
6378         (ssse3_palignrti): Likewise.
6379         (ssse3_palignrdi): Likewise.
6380
6381 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6382
6383         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6384
6385 2009-04-06  Richard Guenther  <rguenther@suse.de>
6386
6387         PR tree-optimization/28868
6388         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6389         of which PHI results we inserted.
6390         (insert_into_preds_of_block): Record inserted PHIs.
6391         (eliminate): Eliminate redundant PHI nodes.
6392         (init_pre): Init inserted_phi_names.
6393
6394 2009-04-06  Richard Guenther  <rguenther@suse.de>
6395
6396         PR tree-optimization/39643
6397         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6398         IMAGPART_EXPRs of complex constants.
6399         (execute_fold_all_builtins): If we folded a call queue
6400         TODO_update_address_taken.
6401
6402 2009-04-06  Jan Hubicka  <jh@suse.cz>
6403
6404         PR middle-end/39659
6405         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6406         flag.
6407
6408 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6409
6410         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6411         delay slot.
6412         (ic_invalidate_array): Likewise.
6413
6414 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6415
6416         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6417         alignment for library calls.
6418
6419 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6420
6421         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6422         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6423         * config/i386/mingw-stdint.h:  New file.
6424
6425 2009-04-05  Richard Guenther  <rguenther@suse.de>
6426
6427         PR tree-optimization/39648
6428         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6429         our &A vs. &A[0] IL deficiencies.
6430
6431 2009-04-04  Jan Hubicka  <jh@suse.cz>
6432
6433         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6434         removed toplevel regions.
6435         (sjlj_mark_call_sites): Likewise.
6436
6437 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6438
6439         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6440         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6441         * config/i386/cygwin-stdint.h:  New file.
6442
6443 2009-04-04  Richard Guenther  <rguenther@suse.de>
6444
6445         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6446         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6447         single-argument PHIs if we are in loop-closed SSA form.
6448         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6449         for the pre-condition.
6450         (slpeel_tree_peel_loop_to_edge): Likewise.
6451         (vect_build_loop_niters): Take an optional sequence to append stmts.
6452         (vect_generate_tmps_on_preheader): Likewise.
6453         (vect_do_peeling_for_loop_bound): Take extra guards for the
6454         pre-condition.
6455         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6456         the cost model check.
6457         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6458         guards if we are going to peel.  Do not apply versioning in that case.
6459         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6460         (vect_do_peeling_for_loop_bound): Likewise.
6461         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6462         loop bound only record extra pre-conditions, do not apply loop
6463         versioning.
6464
6465 2009-04-04  Richard Guenther  <rguenther@suse.de>
6466
6467         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6468         renaming code.
6469
6470 2009-04-04  Jan Hubicka  <jh@suse.cz>
6471
6472         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6473         last_basic_block for size of bb->index indexed array.
6474         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6475         compute_out, link_btr_uses, build_btr_def_use_webs,
6476         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6477
6478 2009-04-04  Jan Hubicka  <jh@suse.cz>
6479
6480         * except.c (remove_eh_handler_and_replace): Break out from ...
6481         (remove_eh_handler): ... here.
6482         (bring_to_root): New function.
6483         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6484         handled ones, bring others to root of tree.
6485
6486 2009-04-04  Jan Hubicka  <jh@suse.cz>
6487
6488         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6489         (all_phis_safe_to_merge): New function.
6490         (update_info): New structure.
6491         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6492         (cleanup_empty_eh): Update SSA if possible.
6493
6494 2009-04-04  Richard Guenther  <rguenther@suse.de>
6495
6496         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6497         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6498         (append_vuse): Likewise.
6499
6500 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6501
6502         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6503         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6504         instead of REG_UNSAVED for DW_CFA_undefined.
6505         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6506         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6507         outermost frame.
6508
6509 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6510
6511         PR target/39501
6512         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6513         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6514         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6515
6516 2009-04-04  Richard Guenther  <rguenther@suse.de>
6517
6518         PR tree-optimization/8781
6519         PR tree-optimization/37892
6520         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6521         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6522         (valueize_refs): Call it for *& valueizations.
6523         (shared_reference_ops_from_ref): Rename to ...
6524         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6525         (shared_reference_ops_from_call): Rename to ...
6526         (valueize_shared_reference_ops_from_call): ... this and valueize.
6527         (vn_reference_lookup): Update.
6528         (visit_reference_op_call): Likewise.
6529         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6530         (eliminate): Value-replace the call address in call statements.
6531
6532 2009-04-04  Richard Guenther  <rguenther@suse.de>
6533
6534         PR tree-optimization/39636
6535         * tree-ssa-forwprop.c
6536         (forward_propagate_addr_into_variable_array_index): Check for
6537         GIMPLE_ASSIGN before accessing the rhs code.
6538
6539 2009-04-03  Jason Merrill  <jason@redhat.com>
6540
6541         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6542
6543 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6544
6545         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6546         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6547         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6548         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6549         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6550         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6551         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6552         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6553         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6554         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6555         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6556         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6557         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6558         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6559         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6560         Use fr_reg_or_fp01_operand instead of fr_register_operand
6561
6562         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6563         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6564         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6565
6566 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6567
6568         PR rtl-optimization/39607
6569         PR rtl-optimization/39631
6570
6571         Revert:
6572
6573         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6574         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6575         instead of DF_LR_OUT.
6576         * ira-lives.c (process_bb_node_lives): Ditto.
6577         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6578         instead of DF_LR_{OUT,IN}.
6579         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6580         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6581
6582 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6583
6584         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6585         (execute_lower_omp): Always run but take the short way out if -fopenmp
6586         is not given.
6587         (gate_lower_omp): Remove, forcing the pass manager to always run the
6588         pass and always set PROP_gimple_lomp.
6589         (pass_lower_omp): Remove gate function.
6590         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6591         PROP_trees.  Instead, require it.
6592         * ipa-cp.c (pass_ipa_cp): Likewise.
6593         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6594         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6595         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6596         and PROP_gimple_leh.
6597
6598 2009-04-03  Richard Guenther  <rguenther@suse.de>
6599
6600         PR middle-end/13146
6601         PR tree-optimization/23940
6602         PR tree-optimization/33237
6603         PR middle-end/33974
6604         PR middle-end/34093
6605         PR tree-optimization/36201
6606         PR tree-optimization/36230
6607         PR tree-optimization/38049
6608         PR tree-optimization/38207
6609         PR tree-optimization/38230
6610         PR tree-optimization/38301
6611         PR tree-optimization/38585
6612         PR middle-end/38895
6613         PR tree-optimization/38985
6614         PR tree-optimization/39299
6615         * tree-ssa-structalias.h: Remove.
6616         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6617         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6618         (struct vuse_element_d): Remove.
6619         (struct vuse_vec_d): Likewise.
6620         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6621         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6622         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6623         VUSE_ELEMENT_VAR): Likewise.
6624         (struct voptype_d): Likewise.
6625         (NUM_VOP_FREE_BUCKETS): Likewise.
6626         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6627         (struct stmt_operands_d): Remove.
6628         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6629         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6630         VDEF_NUM, VDEF_VECT): Likewise.
6631         (copy_virtual_operands): Remove.
6632         (operand_build_cmp): Likewise.
6633         (create_ssa_artificial_load_stmt): Likewise.
6634         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6635         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6636         vuse_index and mayuse_index members.  Pack and move done and iter_type
6637         members to the front.
6638         (SSA_OP_VMAYUSE): Remove.
6639         (SSA_OP_VIRTUAL_USES): Adjust.
6640         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6641         (unlink_stmt_vdef): Declare.
6642         (add_to_addressable_set): Remove.
6643         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6644         (vrp_visit_stmt): Likewise.
6645         * doc/tree-ssa.texi (Alias analysis): Update.
6646         * doc/invoke.texi (max-aliased-vops): Remove docs.
6647         (avg-aliased-vops): Likewise.
6648         * tree-into-ssa.c (syms_to_rename): Remove.
6649         (need_to_update_vops_p): Likewise.
6650         (need_to_initialize_update_ssa_p): Rename to ...
6651         (update_ssa_initialized_fn): ... this.  Track function we are
6652         initialized for.
6653         (symbol_marked_for_renaming): Simplify.
6654         (add_new_name_mapping): Do not set need_to_update_vops_p.
6655         (dump_currdefs): Use SYMS_TO_RENAME.
6656         (rewrite_update_stmt): Always walk all uses/defs.
6657         (dump_update_ssa): Adjust.
6658         (init_update_ssa): Take function argument.  Track what we are
6659         initialized for.
6660         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6661         (create_new_def_for): Initialize for cfun, assert we are initialized
6662         for cfun.
6663         (mark_sym_for_renaming): Simplify.
6664         (mark_set_for_renaming): Do not initialize update-ssa.
6665         (need_ssa_update_p): Simplify.  Take function argument.
6666         (name_mappings_registered_p): Assert we ask for the correct function.
6667         (name_registered_for_update_p): Likewise.
6668         (ssa_names_to_replace): Likewise.
6669         (release_ssa_name_after_update_ssa): Likewise.
6670         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6671         (dump_decl_set): Do not print a newline.
6672         (debug_decl_set): Do it here.
6673         (dump_update_ssa): And here.
6674         * tree-ssa-loop-im.c (move_computations): Adjust.
6675         (movement_possibility): Likewise.
6676         (determine_max_movement): Likewise.
6677         (gather_mem_refs_stmt): Likewise.
6678         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6679         or NAME_MEMORY_TAG.
6680         * tree-complex.c (update_all_vops): Remove.
6681         (expand_complex_move): Adjust.
6682         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6683         Simplify test for memory referencing statement.  Exclude
6684         non-invariant ADDR_EXPRs.
6685         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6686         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6687         (rdg_flag_uses): Likewise.
6688         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6689         related code.
6690         (tree_optimize_tail_calls_1): Also split the
6691         edge from the entry block if we have degenerate PHI nodes in
6692         the first basic block.
6693         * tree.c (init_ttree): Remove memory-tag related code.
6694         (tree_code_size): Likewise.
6695         (tree_node_structure): Likewise.
6696         (build7_stat): Re-write to be build6_stat.
6697         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6698         (SSA_VAR_P): Adjust.
6699         (struct tree_memory_tag): Remove.
6700         (struct tree_memory_partition_tag): Likewise.
6701         (union tree_node): Adjust.
6702         (build7): Re-write to be build6.
6703         * tree-pass.h (pass_reset_cc_flags): Remove.
6704         (TODO_update_address_taken): New flag.
6705         (pass_simple_dse): Remove.
6706         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6707         * params.h (MAX_ALIASED_VOPS): Remove.
6708         (AVG_ALIASED_VOPS): Likewise.
6709         * omp-low.c (expand_omp_taskreg): Update SSA form.
6710         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6711         aliases the lhs in a copy stmt.
6712         * tree-ssa-dse.c (struct address_walk_data): Remove.
6713         (memory_ssa_name_same): Likewise.
6714         (memory_address_same): Likewise.
6715         (get_kill_of_stmt_lhs): Likewise.
6716         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6717         unused stores.  Look through PHI nodes into post-dominated regions.
6718         (dse_optimize_stmt): Simplify.  Properly remove stores.
6719         (tree_ssa_dse): Compute dominators.
6720         (execute_simple_dse): Remove.
6721         (pass_simple_dse): Likewise.
6722         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6723         gimple_loaded_syms and gimple_stored_syms computation.
6724         * toplev.c (dump_memory_report): Dump alias and pta stats.
6725         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6726         (vn_reference_eq): Likewise.
6727         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6728         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6729         valueize_vuses): Remove.
6730         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6731         (get_def_ref_stmt_vuse): ... this.
6732         (vn_reference_lookup_2): New function.
6733         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6734         walking equivalent vuses.  Simplify.
6735         (vn_reference_lookup): Likewise.
6736         (vn_reference_insert): Likewise.
6737         (vn_reference_insert_pieces): Likewise.
6738         (visit_reference_op_call): Simplify.
6739         (visit_reference_op_load): Likewise.
6740         (visit_reference_op_store): Likewise.
6741         (init_scc_vn): Remove shared_lookup_vuses initialization.
6742         (free_scc_vn): Remove shared_lookup_vuses freeing.
6743         (sort_vuses, sort_vuses_heap): Remove.
6744         (get_ref_from_reference_ops): Export.
6745         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6746         vector with single vuse pointer.
6747         (vn_reference_lookup_pieces, vn_reference_lookup,
6748         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6749         (shared_vuses_from_stmt): Remove.
6750         (get_ref_from_reference_ops): Declare.
6751         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6752         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6753         memory-tag related code.
6754         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6755         (likely_value): Add comment, skip static-chain of call statements.
6756         (surely_varying_stmt_p): Adjust.
6757         (gimplify_and_update_call_from_tree): Likewise.
6758         (execute_fold_all_builtins): Do not rebuild alias info.
6759         (gimplify_and_update_call_from_tree): Properly update VOPs.
6760         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6761         (copy_ref_info): Remove memory-tag related code.
6762         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6763         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6764         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6765         computation.
6766         * tree-ssa-dom.c (gimple_p): Remove typedef.
6767         (eliminate_redundant_computations): Adjust.
6768         (record_equivalences_from_stmt): Likewise.
6769         (avail_expr_hash): Likewise.
6770         (avail_expr_eq): Likewise.
6771         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6772         (stmt_makes_single_load): Likewise.
6773         (stmt_makes_single_store): Likewise.
6774         * tree-ssa-alias.c: Rewrite completely.
6775         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6776         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6777         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6778         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6779         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6780         Remove public functions.
6781         (pass_reset_cc_flags): Remove.
6782         (pass_build_alias): Move ...
6783         * tree-ssa-structalias.c (pass_build_alias): ... here.
6784         * tree-ssa-alias.c (may_be_aliased): Move ...
6785         * tree-flow-inline.h (may_be_aliased): ... here.
6786         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6787         count_uses_and_derefs): Move ...
6788         * gimple.c: ... here.
6789         * gimple.h (count_uses_and_derefs): Declare.
6790         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6791         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6792         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6793         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6794         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6795         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6796         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6797         New functions.
6798         * tree-dfa.c (refs_may_alias_p): Move ...
6799         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6800         * tree-ssa-alias.h: New file.
6801         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6802         (statement_sink_location): Likewise.
6803         * opts.c (decode_options): Do not adjust max-aliased-vops or
6804         avg-aliased-vops values.
6805         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6806         (TV_CALL_CLOBBER): Likewise.
6807         (TV_FLOW_SENSITIVE): Likewise.
6808         (TV_FLOW_INSENSITIVE): Likewise.
6809         (TV_MEMORY_PARTITIONING): Likewise.
6810         (TV_ALIAS_STMT_WALK): New timevar.
6811         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6812         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6813         (get_address_description): Remove memory-tag related code.
6814         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6815         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6816         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6817         and immediate uses in statements.  Document.
6818         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6819         (dump_symbols): Remove.
6820         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6821         * alias.c (get_deref_alias_set): New function split out from ...
6822         (get_alias_set): ... here.
6823         * alias.h (get_deref_alias_set): Declare.
6824         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6825         type parameter.  Remove restrict pointer handling.  Create a
6826         ref-all pointer in case type-based alias sets do not conflict.
6827         (vect_analyze_data_refs): Remove SMT related code.
6828         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6829         (vectorizable_load): Likewise.
6830         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6831         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6832         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6833         Ignore vops and SMTs.
6834         (dr_analyze_alias): Likewise..
6835         (free_data_ref): Likewise.
6836         (create_data_ref): Likewise.
6837         (analyze_all_data_dependences): Likewise.
6838         (get_references_in_stmt): Adjust.
6839         * tree-flow-inline.h (gimple_aliases_computed_p,
6840         gimple_addressable_vars, gimple_call_clobbered_vars,
6841         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6842         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6843         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6844         gimple_mem_ref_stats): Remove.
6845         (gimple_vop): New function.
6846         (op_iter_next_use): Remove vuses and mayuses cases.
6847         (op_iter_next_def): Remove vdefs case.
6848         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6849         (clear_and_done_ssa_iter): Do not set removed fields.
6850         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6851         Assert we are not iterating over vuses or vdefs if not also
6852         iterating over uses or defs.
6853         (op_iter_init_use): Likewise.
6854         (op_iter_init_def): Likewise.
6855         (op_iter_next_vdef): Remove.
6856         (op_iter_next_mustdef): Likewise.
6857         (op_iter_init_vdef): Likewise.
6858         (compare_ssa_operands_equal): Likewise.
6859         (link_use_stmts_after): Handle vuse operand.
6860         (is_call_used): Use is_call_clobbered.
6861         (is_call_clobbered): Global variables are always call clobbered,
6862         query the call-clobbers bitmap.
6863         (mark_call_clobbered): Ignore global variables.
6864         (clear_call_clobbered): Likewise.
6865         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6866         virtual operands sanity check.
6867         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6868         Remove.
6869         (TARGET_MEM_REF): Remove TMR_TAG operand.
6870         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6871         Remove call-clobber related code.
6872         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6873         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6874         partitions or escape reason.
6875         (get_single_def_stmt, get_single_def_stmt_from_phi,
6876         get_single_def_stmt_with_phi): Remove.
6877         (dump_referenced_vars): Tidy.
6878         (get_ref_base_and_extent): Allow bare decls.
6879         (collect_dfa_stats): Adjust.
6880         * graphite.c (rename_variables_in_stmt): Adjust.
6881         (graphite_copy_stmts_from_block): Likewise.
6882         (translate_clast): Likewise.
6883         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6884         (EXPR_DIES): New.
6885         (translate_vuse_through_block): Use the oracle.
6886         (phi_translate_1): Adjust.
6887         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6888         in EXPR_DIES.
6889         (valid_in_sets): Check if the VUSE for
6890         a REFERENCE is available.
6891         (eliminate): Do not remove stmts during elimination,
6892         instead queue and remove them afterwards.
6893         (do_pre): Do not rebuild alias info.
6894         (pass_pre): Run TODO_rebuild_alias before PRE.
6895         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6896         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6897         (mark_all_v_defs_stmt): Remove.
6898         (mark_all_v_defs_seq): Adjust.
6899         (sra_replace): Likewise.
6900         (scalarize_use): Likewise.
6901         (scalarize_copy): Likewise.
6902         (scalarize_init): Likewise.
6903         (scalarize_ldst): Likewise.
6904         (todoflags): Remove.
6905         (tree_sra): Do not rebuild alias info.
6906         (tree_sra_early): Adjust.
6907         (pass_sra): Run TODO_update_address_taken before SRA.
6908         * tree-predcom.c (set_alias_info): Remove.
6909         (prepare_initializers_chain): Do not call it.
6910         (mark_virtual_ops_for_renaming): Adjust.
6911         (mark_virtual_ops_for_renaming_list): Remove.
6912         (initialize_root_vars): Adjust.
6913         (initialize_root_vars_lm): Likewise.
6914         (prepare_initializers_chain): Likewise.
6915         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6916         (may_propagate_copy_into_stmt): Likewise.
6917         (merge_alias_info): Do nothing for now.
6918         (propagate_tree_value_into_stmt): Adjust.
6919         (stmt_may_generate_copy): Likewise.
6920         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6921         not mark symbols for renaming.
6922         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6923         with the same statement, make sure to update the new pointed-to one.
6924         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6925         call statements, do not mark symbols for renaming.
6926         (mark_operand_necessary): Dump something.
6927         (ref_may_be_aliased): New function.
6928         (mark_aliased_reaching_defs_necessary_1): New helper function.
6929         (mark_aliased_reaching_defs_necessary): Likewise.
6930         (mark_all_reaching_defs_necessary_1): Likewise.
6931         (mark_all_reaching_defs_necessary): Likewise.
6932         (propagate_necessity): Do not process virtual PHIs.  For
6933         non-aliased loads mark all reaching definitions as necessary.
6934         For aliased loads and stores mark the immediate dominating
6935         aliased clobbers as necessary.
6936         (visited): New global static.
6937         (perform_tree_ssa_dce): Free visited bitmap after propagating
6938         necessity.
6939         (remove_dead_phis): Perform simple dead virtual PHI removal.
6940         (remove_dead_stmt): Properly unlink virtual operands when
6941         removing stores.
6942         (eliminate_unnecessary_stmts): Schedule PHI removal after
6943         stmt removal.
6944         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6945         (process_replaceable): Likewise.
6946         (find_replaceable_in_bb): Likewise.
6947         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6948         based on the single gimple vop.
6949         (verify_flow_insensitive_alias_info): Remove.
6950         (verify_flow_sensitive_alias_info): Likewise.
6951         (verify_call_clobbering): Likewise.
6952         (verify_memory_partitions): Likewise.
6953         (verify_alias_info): Likewise.
6954         (verify_ssa): Adjust..
6955         (execute_update_addresses_taken): Export.  Update SSA
6956         manually.  Optimize only when optimizing.  Use a local bitmap.
6957         (pass_update_address_taken): Remove TODO_update_ssa, add
6958         TODO_dump_func.
6959         (pass_update_address_taken): Just use TODO_update_address_taken.
6960         (init_tree_ssa): Do not initialize addressable_vars.
6961         (verify_ssa): Verify new VUSE / VDEF properties.
6962         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6963         Do not call verify_alias_info.
6964         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6965         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6966         and callused solutions.  Do not free addressable_vars.
6967         Remove memory-tag related code.
6968         (warn_uninitialized_var): Aliases are always available.
6969         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6970         * lambda-code.c (can_put_in_inner_loop): Adjust.
6971         (can_put_after_inner_loop): Likewise.
6972         (perfect_nestify): Likewise.
6973         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6974         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6975         (vectorizable_conversion): Do not mark symbols for renaming.
6976         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6977         (expand_call_inline): Unlink the calls virtual operands before
6978         replacing it.
6979         (tree_function_versioning): Do not call update_ssa if we are not
6980         updating clones.  Simplify.
6981         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6982         (propagate_with_phi): Likewise..
6983         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6984         clobber code.  Assert we are not aliased or global.
6985         * tree-flow.h: Include tree-ssa-alias.h
6986         (enum escape_type): Remove.
6987         (struct mem_sym_stats_d): Likewise.
6988         (struct mem_ref_stats_d): Likewise.
6989         (struct gimple_df): Add vop member.  Remove global_var,
6990         call_clobbered_vars, call_used_vars, addressable_vars,
6991         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
6992         escaped and callused members.
6993         (struct ptr_info_def): Remove all members, add points-to solution
6994         member pt.
6995         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
6996         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
6997         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
6998         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
6999         (tree-ssa-alias.o): Likewise.
7000         (toplev.o): Add tree-ssa-alias.h
7001         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
7002         * gimple.c (gimple_set_bb): Fix off-by-one error.
7003         (is_gimple_reg): Do not handle memory tags.
7004         (gimple_copy): Also copy virtual operands.
7005         Delay updating the statement.  Do not reset loaded and stored syms.
7006         (gimple_set_stored_syms): Remove.
7007         (gimple_set_loaded_syms): Likewise.
7008         (gimple_call_copy_skip_args): Copy the virtual operands
7009         and mark the new statement modified.
7010         * tree-ssa-structalias.c (may_alias_p): Remove.
7011         (set_uids_in_ptset): Take the alias set to prune with as
7012         parameter.  Fold in the alias test of may_alias_p.
7013         (compute_points_to_sets): Compute whether a ptr is dereferenced
7014         in a local sbitmap.
7015         (process_constraint): Deal with &ANYTHING on the lhs, reject all
7016         other ADDRESSOF constraints on the lhs.
7017         (get_constraint_for_component_ref): Assert that we don't get
7018         ADDRESSOF constraints from the base of the reference.
7019         Properly generate UNKNOWN_OFFSET for DEREF if needed.
7020         (struct variable_info): Remove collapsed_to member.
7021         (get_varinfo_fc): Remove.
7022         (new_var_info): Do not set collapsed_to.
7023         (dump_constraint): Do not follow cycles.
7024         (dump_constraint_graph): Likewise.
7025         (build_pred_graph): Likewise.
7026         (build_succ_graph): Likewise.
7027         (rewrite_constraints): Likewise.
7028         (do_simple_structure_copy): Remove.
7029         (do_rhs_deref_structure_copy): Remove.
7030         (do_lhs_deref_structure_copy): Remove.
7031         (collapse_rest_of_var): Remove.
7032         (do_structure_copy): Re-implement.
7033         (pta_stats): New global variable.
7034         (dump_pta_stats): New function.
7035         (struct constraint_expr): Make offset signed.
7036         (UNKNOWN_OFFSET): Define special value.
7037         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
7038         (solution_set_expand): New helper function split out from ...
7039         (do_sd_constraint): ... here.
7040         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
7041         (do_ds_constraint): Likewise.
7042         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
7043         and CALLUSED = *CALLUSED.
7044         (set_union_with_increment): Make inc argument signed.
7045         (type_safe): Remove.
7046         (get_constraint_for_ptr_offset): Handle unknown and negative
7047         constant offsets.
7048         (first_vi_for_offset): Handle offsets before start.  Bail
7049         out early for offsets beyond the variable extent.
7050         (first_or_preceding_vi_for_offset): New function.
7051         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
7052         Together with ESCAPED = *ESCAPED this properly computes reachability.
7053         (find_what_var_points_to): New function.
7054         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
7055         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
7056         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
7057         pt_solutions_intersect): New functions.
7058         (compute_call_used_vars): Remove.
7059         (compute_may_aliases): New main entry into PTA computation.
7060         * gimple.h (gimple_p): New typedef.
7061         (struct gimple_statement_base): Remove references_memory_p.
7062         (struct gimple_statement_with_memory_ops_base): Remove
7063         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
7064         members.
7065         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
7066         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
7067         gimple_set_references_memory): Remove.
7068         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
7069         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
7070         New functions.
7071         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
7072         (verify_expr): Allow RESULT_DECL.
7073         (gimple_duplicate_bb): Do not copy virtual operands.
7074         (gimple_duplicate_sese_region): Adjust.
7075         (gimple_duplicate_sese_tail): Likewise.
7076         (mark_virtual_ops_in_region): Remove.
7077         (move_sese_region_to_fn): Do not call it.
7078         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
7079         and pass_simple_dse.
7080         (execute_function_todo): Handle TODO_update_address_taken,
7081         call execute_update_addresses_taken for TODO_rebuild_alias.
7082         (execute_todo): Adjust.
7083         (execute_one_pass): Init dump files early.
7084         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
7085         call-clobbered.
7086         (create_general_new_stmt): Clear vops.
7087         * tree-ssa-reassoc.c (get_rank): Adjust.
7088         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
7089         symbols for renaming.
7090         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
7091         (PARAM_AVG_ALIASED_VOPS): Likewise.
7092         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
7093         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
7094         * tree-ssa-operands.c: Simplify for new virtual operand representation.
7095         (operand_build_cmp, copy_virtual_operands,
7096         create_ssa_artificial_load_stmt, add_to_addressable_set,
7097         gimple_add_to_addresses_taken): Remove public functions.
7098         (unlink_stmt_vdef): New function.
7099
7100 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7101
7102         * config.gcc (powerpc-*-linux*): Merge variants.
7103
7104 2009-04-02  Chao-ying Fu  <fu@mips.com>
7105             James Grosbach  <james.grosbach@microchip.com>
7106
7107         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
7108         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
7109         cop0_sp_offset.
7110         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
7111         keep_interrupts_masked_p, use_debug_exception_return_p.
7112         (mips_attribute_table): Add interrupt, use_shadow_register_set,
7113         keep_interrupts_masked, use_debug_exception_return.
7114         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
7115         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
7116         New functions.
7117         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
7118         (mips_print_operand): Process COP0 registers to print $0 .. $31
7119         correctly for GAS to process.
7120         (mips_interrupt_extra_call_saved_reg_p): New function.
7121         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
7122         extra registers.
7123         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
7124         (mips_compute_frame_info): Add supports for interrupt context that
7125         includes doubleword accumulators and COP0 registers.
7126         (mips_for_each_saved_acc): New function.
7127         (mips_for_each_saved_gpr_and_fpr): Change the function name from
7128         mips_for_each_saved_reg.
7129         (mips_save_reg): Save accumulators.
7130         (mips_kernel_reg_p): A new for_each_rtx callback.
7131         (mips_expand_prologue): Support interrupt handlers.
7132         (mips_restore_reg): Restore accumulators.
7133         (mips_expand_epilogue): Support interrupt handlers.
7134         (mips_can_use_return_insn): Return false for interrupt handlers.
7135         (mips_epilogue_uses): New function.
7136         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
7137         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
7138         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
7139         cop0_move): New instructions.
7140         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
7141         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
7142         defines.
7143         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
7144         New defines.
7145         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
7146         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
7147         interrupt handlers, we use K0 as the temporary register.
7148         (EPILOGUE_USES): Change to a function call.
7149         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
7150         handlers, we use K0 as the temporary register.
7151
7152         * doc/extend.texi (Function Attributes): Document interrupt,
7153         use_shadow_register_set, keep_interrupts_masked,
7154         use_debug_exception_return for MIPS attributes.
7155
7156 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7157
7158         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
7159         Remove a number of t-files from tmake_file.
7160         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
7161         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
7162         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
7163         target_prototype, not TARGET_PROTOTYPE.
7164         (LINK_OS_GNU_SPEC): Define.
7165         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
7166         and darwin-ldoubdle.c.
7167
7168 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
7169
7170         PR driver/39293
7171         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
7172         (cpp_options): Ditto.
7173         (default_compilers): Ditto.
7174         (display_help): Ditto.
7175         (process_command): Ditto.
7176         (do_spec_1): Ditto.
7177         (set_input): Use lbasename instead of duplicate code.
7178         (save_temps_prefix): New static for -save-temps=obj.
7179         (save_temps_length): Ditto.
7180
7181         * doc/invoke.texi (-save-temps=obj): Document new variant to
7182         -save-temps switch.
7183
7184 2009-04-02  Jeff Law  <law@redhat.com>
7185
7186         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
7187         variable.
7188
7189 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7190
7191         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
7192         * configure: Regenerated.
7193
7194 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7195
7196         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
7197         share the argument list.
7198
7199 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7200
7201         Merge
7202
7203         2009-02-12  Diego Novillo  <dnovillo@google.com>
7204
7205         * varpool.c (debug_varpool): New.
7206         * cgraph.h (debug_varpool): Declare.
7207
7208 2009-04-02  Jan Hubicka  <jh@suse.cz>
7209
7210         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7211         pass.
7212
7213 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7214
7215         * config/i386/i386.c (ix86_abi): Move initialization to ...
7216         (override_options): Here.
7217
7218 2009-04-02  Christian Bruel  <christian.bruel@st.com>
7219
7220         * config/sh/sh.c (sh_dwarf_register_span): New function.
7221         (TARGET_DWARF_REGISTER_SPAN): Define.
7222         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7223
7224 2009-04-02  Ira Rosen  <irar@il.ibm.com>
7225
7226         PR tree-optimization/39595
7227         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7228         interleaved loads group is not  greater than the SLP group size.
7229
7230 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7231
7232         * builtins.c (is_builtin_name): New.
7233         (called_as_built_in): Use is_builtin_name.
7234         * tree.h (is_builtin_name): New.
7235         * varasm.c (incorporeal_function_p): Use is_builtin_name
7236
7237 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
7238
7239         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
7240
7241 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
7242
7243         PR c++/26693
7244         * c-decl.c (clone_underlying_type): Move this ...
7245         * c-common.c (set_underlying_type): ... here.
7246         Also, make sure the function properly sets TYPE_STUB_DECL() on
7247         the newly created typedef variant type.
7248         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7249         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
7250         points.
7251
7252 2009-04-02  Richard Guenther  <rguenther@suse.de>
7253
7254         PR tree-optimization/37221
7255         * tree-flow.h (degenerate_phi_result): Declare.
7256         * tree-ssa-dom.c (degenerate_phi_result): Export.
7257         * tree-scalar-evolution.c (analyze_initial_condition): If
7258         the initial condition is defined by a degenerate PHI node
7259         use the degenerate value.
7260
7261 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
7262
7263         PR rtl-optimization/39588
7264         * combine.c (merge_outer_ops): Do not set the constant when this
7265         is not necessary.
7266         (simplify_shift_const_1): Do not modify it either in this case.
7267
7268 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
7269
7270         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
7271         tuning is deprecated if -mtune value is set to an Itanium1 variant.
7272
7273 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
7274
7275         PR c/29027
7276         * c-lex.c (interpret_float): Default (no suffix) is double.
7277
7278 2009-04-1  Xinliang David Li  <davidxl@google.com>
7279
7280         * config/i386/i386.c (legitimate_constant_p): Recognize
7281         all one vector constant.
7282
7283 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7284
7285         * config/vax/vax.c: Add #includes to silence warnings.
7286         Change #include order to silence two warnings.
7287
7288 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7289
7290         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7291         (ASM_SPEC): Pass -k to the assembler for PIC code.
7292
7293 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7294
7295         * config.gcc: Add vax-*-linux* to the switch.
7296         * config/vax/linux.h: New file. (TARGET_VERSION,
7297         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7298
7299 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7300
7301         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7302         Use predicate macros instead of GET_CODE() == foo.
7303         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7304         ashlsi3, rotrsi3, <unnamed>): Likewise.
7305
7306 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7307
7308         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7309         jbbccihi, jbbccisi): Remova trailing whitespace.
7310         * config/vax/constraints.md: Likewise.
7311         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7312         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7313         * config/vax/predicates.md: Likewise.
7314         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7315         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7316         * config/vax/vax.h: Likewise.
7317         * config/vax/vax.md (nonlocal_goto): Likewise.
7318
7319 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7320
7321         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7322         (indirectable_address_p, adjacent_operands_p): Add spaces around
7323         braces.
7324         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7325
7326 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7327
7328         * config/vax/vax.c (legitimate_constant_address_p,
7329         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7330         index_term_p, reg_plus_index_p, legitimate_address_p,
7331         vax_mode_dependent_address_p): Update comments to match functions
7332         modified by the recent int->bool conversion.
7333
7334 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7335
7336         * config/vax/builtins.md: Update copyright message.
7337         * config/vax/constraints.md: Likewise.
7338         * config/vax/netbsd-elf.h: Likewise.
7339         * config/vax/predicates.md: Likewise.
7340         * config/vax/vax-protos.h: Likewise.
7341         * config/vax/vax.c: Likewise.
7342         * config/vax/vax.h: Likewise.
7343         * config/vax/vax.md: Likewise.
7344         * config/vax/vax.opt: Likewise.
7345
7346 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7347
7348         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7349         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7350         * config/vax/constraints.md (B, R): Likewise.
7351         * config/vax/predicates.md (external_memory_operand,
7352         nonimmediate_addsub_di_operand): Likewise.
7353         * config/vax/vax.c (vax_output_int_add): Likewise.
7354         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7355         untyped_call): Likewise.
7356
7357 2009-04-01  Matt Thomas  <matt@3am-software.com>
7358
7359         * config/vax/predicates.md: New file.
7360         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7361         external_const_operand, nonsymbolic_operand, external_memory_operand,
7362         indirect_memory_operand, indexed_memory_operand,
7363         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7364         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7365         predicate.
7366         * config/vax/constraints.md: New file.
7367         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7368         New constraint.
7369         * config/vax/builtins.md: New file.
7370         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7371         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7372         jbbccisi): Define.
7373         * config/vax/vax.opt (mqmath): Add option.
7374         * config/vax/vax.md (isfx): Extend with DI.
7375         (VAXintQH, VAXintQHSD): Define.
7376         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7377         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7378         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7379         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7380         (movdi): Update constraints and use vax_output_int_move().
7381         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7382         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7383         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7384         nonlocal_goto): New.
7385         (mov<mode>): Extend accepted operand types.
7386         (subdi3_old): Rename from subdi3, change update constraints and use
7387         a new implementation.
7388         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7389         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7390         MOVE_RATIO, CLEAR_RATIO): Define.
7391         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7392         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7393         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7394         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7395         (split_quadword_operands): Make static and really allow variable
7396         splitting.
7397         (print_operand_address): Update for PIC generation.
7398         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7399         indexable_address_p, fixup_mathdi_operand,
7400         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7401         (vax_float_literal, legitimate_constant_p,
7402         indirectable_constant_address_p, index_term_p,
7403         reg_plus_index_p): Return bool instead of int.
7404         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7405         where needed.
7406         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7407         generation.
7408         (vax_output_conditional_branch): Indent.
7409         (legitimate_constant_address_p, indirectable_constant_address_p,
7410         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7411         vax_mode_dependent_address_p): Return bool instead of int, update for
7412         PIC generation.
7413         * config/vax/vax-protos.h (legitimate_constant_address_p,
7414         legitimate_constant_p, legitimate_address_p,
7415         vax_mode_dependent_address_p): Change declaration to bool.
7416         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7417         vax_expand_addsub_di_operands, vax_output_int_subtract,
7418         vax_output_movmemsi): Declare.
7419         (split_quadword_operands, vax_float_literal): Delete declaration.
7420         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7421         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7422         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7423         ASM_OUTPUT_DWARF_PCREL): Define.
7424         (ASM_SPEC): Change definition to allow PIC generation.
7425
7426 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7427
7428         * doc/sourcebuild.texi: Update front-end requirements.
7429
7430 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7431
7432         PR target/39226
7433         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7434         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7435         (booldi3_internal3): Use boolean_or_operator instead of
7436         boolean_operator.
7437
7438 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7439
7440         PR c/39605
7441         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7442         declarator whose size is not an integer constant expression but
7443         folds to an integer constant, then treat it as a constant
7444         subsequently.
7445
7446 2009-04-01  Richard Guenther  <rguenther@suse.de>
7447
7448         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7449         i * 4 + 2 to (i * 2 + 1) * 2.
7450
7451 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7452
7453         PR c/37772
7454         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7455         return if c_parser_asm_string_literal returned NULL.
7456
7457 2009-04-01  Nick Clifton  <nickc@redhat.com>
7458
7459         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7460         already defined.
7461         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7462         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7463         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7464         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7465         include it.
7466         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7467         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7468         then include it.
7469
7470 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7471
7472         * varasm.c (default_function_rodata_section): Declare DOT as
7473         const char*.
7474
7475 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7476             Andrey Galkin  <agalkin@hypercom.com>
7477
7478         PR/39492
7479         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7480         Make object_name unique for each process.
7481
7482 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7483
7484         PR other/39591
7485         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7486         addressable variables in the parallel that could go out of scope while
7487         running queued tasks.
7488
7489 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7490
7491         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7492         (CASE_VALUES_THRESHOLD): Redefine.
7493         * config/avr/avr.c (avr_override_options): Remove initialization of
7494         avr_case_values_threshold variable.
7495         (avr_case_values_threshold): Remove variable. Add new function.
7496         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7497         * config/avr/avr.opt (mno-tablejump): Remove option.
7498         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7499
7500 2009-04-01  DJ Delorie  <dj@redhat.com>
7501
7502         * varasm.c (default_function_rodata_section): Don't assume
7503         anything about where the first '.' in the section name is.
7504
7505 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7506
7507         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7508         rs6000_emit_stack_tie.
7509
7510 2009-03-31  Ian Lance Taylor  <iant@google.com>
7511
7512         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7513         gimple_code with GIMPLE_RESX, not RESX.
7514
7515 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7516
7517         * c-common.c (c_get_ident): New.
7518         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7519
7520 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7521
7522         * config/rs6000/sysv4.opt (msdata): Improve option description.
7523
7524 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7525
7526         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7527         (divdf3_internal_lat): Remove.
7528         (divxf3_internal_lat): Remove.
7529         (divxf3_internal_thr): Remove.
7530         (divxf): Use divxf3_internal.
7531         * config/ia64/div.md (divsf3_internal_lat): New.
7532         (divdf3_internal_lat): New.
7533         (divxf3_internal): New.
7534
7535 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7536
7537         PR c/448
7538         * Makefile.in (USE_GCC_STDINT): Define.
7539         (stmp-int-hdrs): Install stdint.h if applicable.
7540         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7541         if known.
7542         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7543         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7544         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7545         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7546         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7547         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7548         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7549         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7550         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7551         (c_common_nodes_and_builtins): Initialize
7552         underlying_wchar_type_node.  Do not initialize
7553         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7554         nodes for new types.
7555         (c_stddef_cpp_builtins): Define macros for new types.
7556         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7557         Remove.
7558         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7559         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7560         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7561         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7562         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7563         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7564         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7565         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7566         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7567         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7568         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7569         int16_type_node, int32_type_node, int64_type_node,
7570         uint8_type_node, uint16_type_node, c_uint32_type_node,
7571         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7572         int_least32_type_node, int_least64_type_node,
7573         uint_least8_type_node, uint_least16_type_node,
7574         uint_least32_type_node, uint_least64_type_node,
7575         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7576         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7577         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7578         uintptr_type_node): Define.
7579         * c-cppbuiltin.c (builtin_define_constants,
7580         builtin_define_type_minmax): New.
7581         (builtin_define_stdint_macros): Define more macros.
7582         (c_cpp_builtins): Define more limit macros.
7583         (type_suffix): New.
7584         (builtin_define_type_max): Define in terms of
7585         builtin_define_type_minmax.  Remove is_long parameter.  All
7586         callers changed.
7587         * config.gcc (use_gcc_stdint): Define.
7588         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7589         Add newlib-stdint.h for generic targets.
7590         * config/glibc-stdint.h, config/newlib-stdint.h,
7591         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7592         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7593         * config/score/score.h (UINTPTR_TYPE): Define.
7594         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7595         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7596         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7597         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7598         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7599         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7600         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7601         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7602         * config/spu/spu.h (STDINT_LONG32): Define.
7603         * configure.ac (use_gcc_stdint): Substitute.
7604         * configure: Regenerate.
7605         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7606         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7607         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7608         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7609         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7610         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7611         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7612         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7613         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7614         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7615         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7616         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7617         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7618         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7619         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7620         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7621         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7622         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7623         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7624         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7625         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7626         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7627         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7628         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7629         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7630         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7631         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7632         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7633         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7634
7635 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7636
7637         * loop-iv.c (suitable_set_for_replacement): Renamed from
7638         simplify_using_assignment; changed to return bool and to accept new
7639         args DEST and SRC.  Return true iff we find a source/destination pair
7640         that can be used to make a replacement, and fill SRC and DEST if so.
7641         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7642         changed.
7643         (simplify_using_initial_values): Deal with altered regs here and track
7644         more precisely the effect they have on the validity of our expression.
7645
7646         * loop-iv.c (simplify_using_condition): A condition of the form
7647         (EQ REG CONST) can be used to simply make a substitution.
7648         (simplify_using_initial_values): Keep track of conditions we have seen
7649         and keep using them to simplify new expressions, while applying the
7650         same substitutions to them as to the expression.
7651
7652         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7653         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7654         GEU/LTU reversed.
7655
7656         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7657         changed.  Use this when trying to improve the upper bound.
7658         Generate the comparison by using simplify_gen_relational.
7659
7660         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7661
7662         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7663         functions.
7664         (simplify_using_assignment, simplify_using_initial_values): Call
7665         replace_in_expr to make replacements.  Call replace_single_def_regs
7666         once on the initial version of the expression.
7667
7668 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7669
7670         PR target/27237
7671         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7672
7673 2009-03-31  Richard Guenther  <rguenther@suse.de>
7674
7675         PR middle-end/31029
7676         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7677         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7678
7679 2009-03-31  Richard Guenther  <rguenther@suse.de>
7680
7681         * tree.h (div_if_zero_remainder): Declare.
7682         * fold-const.c (div_if_zero_remainder): Export.
7683         * tree-ssa-forwprop.c
7684         (forward_propagate_addr_into_variable_array_index): Handle
7685         constant array index addition outside of the variable index.
7686
7687 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7688
7689         PR target/39592
7690         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7691         define_splits, floatunssi<mode>2): Require x87 conversions from
7692         DImode to be permitted.
7693
7694 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7695
7696         PR preprocessor/15638
7697         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7698
7699 2009-03-31  Richard Guenther  <rguenther@suse.de>
7700
7701         PR middle-end/23401
7702         PR middle-end/27810
7703         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7704         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7705         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7706         a separate statement.
7707         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7708         (lookup_tmp_var): Likewise.
7709         (is_gimple_formal_tmp_or_call_rhs): Remove.
7710         (is_gimple_reg_or_call_rhs): Rename to ...
7711         (is_gimple_reg_rhs_or_call): ... this.
7712         (is_gimple_mem_or_call_rhs): Rename to ...
7713         (is_gimple_mem_rhs_or_call): ... this.
7714         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7715         DECL_GIMPLE_REG_P only if is_formal is true.
7716         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7717         for non-proper post-modify expression gimplification.
7718         (gimplify_self_mod_expr): For post-modify expressions gimplify
7719         the lvalue to a minimal lvalue.
7720         (rhs_predicate_for): Remove formal temp case.
7721         (gimplify_modify_expr_rhs): Likewise.
7722         (gimplify_addr_expr): Use is_gimple_reg.
7723         (gimplify_expr): Remove formal temp cases.
7724         (gimple_regimplify_operands): Likewise.
7725         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7726         and FILTER_EXPR like constants.
7727         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7728         is_gimple_reg.
7729         (is_gimple_formal_tmp_rhs): Remove.
7730         (is_gimple_reg_rhs): Remove special casing.
7731         (is_gimple_mem_rhs): Fix.
7732         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7733         (is_gimple_formal_tmp_var): Remove.
7734         (is_gimple_formal_tmp_reg): Likewise.
7735         (is_gimple_min_lval): Allow invariant component ref parts.
7736         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7737         is_gimple_formal_tmp_reg): Remove declarations.
7738         * tree-cfg.c (verify_expr): Verify that variables with address
7739         taken do not have DECL_GIMPLE_REG_P set.
7740         * tree-mudflap.c (mf_build_check_statement_for): Use
7741         force_gimple_operand instead of gimplify_expr.
7742
7743 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7744
7745         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7746         schedulable rows to compute_split_row.
7747
7748 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7749
7750         PR target/31635
7751         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7752         OPT_mvrsave.
7753
7754 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7755
7756         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7757         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7758         * configure: Regenerate.
7759         * config.in: Regenerate.
7760         * config/rs6000/rs6000.opt (mtls-markers): Add.
7761         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7762         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7763         (tls_ld_aix, tls_ld_sysv): Likewise.
7764         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7765         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7766
7767 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7768
7769         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7770
7771 2009-03-30  Jan Hubicka  <jh@suse.cz>
7772
7773         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7774         out of RESX.
7775         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7776         detection and label handling.
7777
7778 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7779
7780         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7781         left_conflicts_size.
7782         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7783         ALLOCNO_LEFT_CONFLICTS_SIZE.
7784
7785         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7786         remove_allocno_from_bucket_and_push,
7787         allocno_spill_priority_compare, push_allocnos_to_stack,
7788         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7789         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7790         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7791         setup_allocno_left_conflicts_size.
7792         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7793         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7794         setup_allocno_left_conflicts_size instead of
7795         setup_allocno_left_conflicts_num.
7796
7797         * ira-build.c (ira_create_allocno): Use
7798         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7799         ALLOCNO_LEFT_CONFLICTS_NUM.
7800
7801 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7802
7803         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7804         instead of DF_LR_OUT.
7805
7806         * ira-lives.c (process_bb_node_lives): Ditto.
7807
7808         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7809         instead of DF_LR_{OUT,IN}.
7810
7811         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7812
7813         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7814
7815 2009-03-30  Jan Hubicka  <jh@suse.cz>
7816
7817         * except.c (label_to_region_map): Fix thinko.
7818
7819 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7820
7821         PR middle-end/38237
7822         * tree.h (tree_find_value): New declaration.
7823         * tree.c (tree_find_value): New function.
7824         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7825
7826 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7827
7828         PR debug/39563
7829         * c-decl.c (struct c_binding): Add locus field.
7830         (bind): Add locus argument, set locus field from it.
7831         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7832         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7833         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7834         implicitly_declare, undeclared_variable, lookup_label,
7835         declare_label, c_make_fname_decl, c_builtin_function,
7836         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7837         bind callers.
7838
7839 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7840
7841         PR target/38781
7842         * config/i386/i386.c (classify_argument): Check total size of
7843         structure.
7844
7845 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7846
7847         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7848         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7849         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7850         respectively.
7851
7852         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7853         seen_variable_array_ref while also traversing a union.
7854
7855         * tree-inline.c (optimize_inline_calls): Do not call
7856         cgraph_node_remove_callees.
7857         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7858         (pass_remove_cgraph_callee_edges): New variable.
7859         * passes.c (init_optimization_passes): Add
7860         pass_remove_cgraph_callee_edges after early inlining and before all
7861         late intraprocedural passes.
7862
7863         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7864
7865 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7866
7867         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7868         Fix typos in names.
7869
7870 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7871
7872         * combine.c (simplify_comparison): Use have_insn_for.
7873         * dojump.c (do_jump): Likewise.
7874
7875 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7876
7877         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7878         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7879         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7880         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7881         instead of sparc_compare_emitted.
7882         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7883         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7884         instead of sparc_compare_emitted.
7885
7886 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7887
7888         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7889         enter/exit cfglayout mode.
7890         (pass_partition_block): Require it.
7891         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7892         (combine_instructions): Track basic blocks instead of labels.
7893         (update_cfg_for_uncondjump): New.
7894         (try_combine): Use it.  Update jumps after rescanning.
7895         (pass_combine): Require PROP_cfglayout.
7896         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7897
7898 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7899
7900         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7901         Provide/destroy PROP_cfglayout respectively.
7902         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7903         * tree-pass.h (PROP_cfglayout): New.
7904
7905 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7906
7907         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7908         fold_convert_const_fixed_from_fixed,
7909         fold_convert_const_fixed_from_int,
7910         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7911         set TREE_CONSTANT_OVERFLOW.
7912         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7913         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7914
7915 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7916
7917         * tree-vect-loop-manip.c: New file.
7918         * tree-vectorizer.c: Update documentation and included files.
7919         (vect_loop_location): Make extern.
7920         (rename_use_op): Move to tree-vect-loop-manip.c
7921         (rename_variables_in_bb, rename_variables_in_loop,
7922         slpeel_update_phis_for_duplicate_loop,
7923         slpeel_update_phi_nodes_for_guard1,
7924         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7925         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7926         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7927         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7928         find_loop_location): Likewise.
7929         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7930         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7931         get_vectype_for_scalar_type, vect_is_simple_use,
7932         supportable_widening_operation, supportable_narrowing_operation):
7933         Likewise.
7934         (bb_in_loop_p): Move to tree-vect-loop.c.
7935         (new_loop_vec_info, destroy_loop_vec_info,
7936         reduction_code_for_scalar_code, report_vect_op,
7937         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7938         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7939         (vect_supportable_dr_alignment): Likewise.
7940         * tree-vectorizer.h (tree-data-ref.h): Include.
7941         (vect_loop_location): Declare.
7942         Reorganize function declarations according to the new file structure.
7943         * tree-vect-loop.c: New file.
7944         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7945         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7946         * tree-vect-data-refs.c: New file.
7947         * tree-vect-patterns.c (timevar.h): Don't include.
7948         * tree-vect-stmts.c: New file.
7949         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7950         tree-vect-slp.c, tree-vect-loop.c.
7951         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7952         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7953         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7954         (tree-vect-analyze.o): Remove.
7955         (tree-vect-transform.o): Likewise.
7956         (tree-vect-data-refs.o): Add rule.
7957         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7958         tree-vect-slp.o): Likewise.
7959         (tree-vect-patterns.o): Remove redundant dependencies.
7960         (tree-vectorizer.o): Likewise.
7961         * tree-vect-slp.c: New file.
7962
7963 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7964
7965         * optc-gen.awk: Warn if an option flag has multiple different
7966         help strings.
7967
7968 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7969
7970         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7971         -floop-block): Document dependences on PPL, CLooG and Graphite.
7972
7973 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7974
7975         PR rtl-optimization/323
7976         * c-common.c (c_fully_fold, convert_and_check,
7977         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7978         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7979         * c-common.def (EXCESS_PRECISION_EXPR): New.
7980         * c-cppbuiltin.c (builtin_define_float_constants): Define
7981         constants with enough digits for long double.
7982         * c-lex.c (interpret_float): Interpret constant with excess
7983         precision where appropriate.
7984         * c-opts.c (c_common_post_options): Set
7985         flag_excess_precision_cmdline.  Give an error for
7986         -fexcess-precision=standard for C++ for processors where the
7987         option is significant.
7988         * c-parser.c (c_parser_conditional_expression): Handle excess
7989         precision in condition.
7990         * c-typeck.c (convert_arguments): Handle arguments with excess
7991         precision.
7992         (build_unary_op): Move excess precision outside operation.
7993         (build_conditional_expr): Likewise.
7994         (build_compound_expr): Likewise.
7995         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
7996         (build_modify_expr): Handle excess precision in RHS.
7997         (convert_for_assignment): Handle excess precision in converted
7998         value.
7999         (digest_init, output_init_element, process_init_element): Handle
8000         excess precision in initializer.
8001         (c_finish_return): Handle excess precision in return value.
8002         (build_binary_op): Handle excess precision in operands and add
8003         excess precision as needed for operation.
8004         * common.opt (-fexcess-precision=): New option.
8005         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
8006         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
8007         For standard excess precision, output explicit conversion to and
8008         truncation from XFmode.
8009         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
8010         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
8011         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
8012         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
8013         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
8014         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
8015         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
8016         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
8017         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
8018         define_splits, sqrt<mode>2): Disable where appropriate for
8019         standard excess precision.
8020         * convert.c (convert_to_real): Do not shorten arithmetic to type
8021         for which excess precision would be used.
8022         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
8023         * doc/invoke.texi (-fexcess-precision=): Document option.
8024         (-mfpmath=): Correct index entry.
8025         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
8026         flag_excess_precision): New.
8027         * langhooks.c (lhd_post_options): Set
8028         flag_excess_precision_cmdline.
8029         * opts.c (common_handle_option): Handle -fexcess-precision=.
8030         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
8031         init_excess_precision): New.
8032         (lang_dependent_init_target): Call init_excess_precision.
8033         * tree.c (excess_precision_type): New.
8034         * tree.h (excess_precision_type): Declare.
8035
8036 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8037
8038         PR c/35235
8039         * c-typeck.c (build_component_ref): Do not copy qualifiers from
8040         non-lvalue to component.
8041
8042 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8043
8044         PR preprocessor/34695
8045         * Makefile.in (c-opts.o): Depend on c-tree.h.
8046         * c-common.c: Move down include of diagnostic.h.
8047         (done_lexing, c_cpp_error): New.
8048         * c-common.h (done_lexing): Declare.
8049         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
8050         (parse_in).
8051         * c-opts.c: Include c-tree.h.
8052         (c_common_init_options): Set preprocessor error callback.
8053         (c_common_handle_option): Do not set preprocessor
8054         inhibit_warnings, warnings_are_errors, warn_system_headers,
8055         pedantic_errors or inhibit_warnings flags.
8056         (c_common_post_options): Do not check cpp_errors (parse_in).
8057         (c_common_finish): Do not output dependencies if there were
8058         errors.  Do not check return value of cpp_finish.
8059         * c-ppoutput.c (pp_file_change): Set input_location.
8060         * c-tree.h (c_cpp_error): Declare.
8061         * diagnostic.c (diagnostic_set_info_translated): Also initialize
8062         override_column.
8063         (diagnostic_build_prefix): Check override_column.
8064         * diagnostic.h (diagnostic_info): Add override_column field.
8065         (diagnostic_override_column): Define.
8066
8067 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
8068
8069         * c-common.c (c_expand_expr, c_staticp): Remove.
8070         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
8071         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
8072         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
8073         * c-gimplify.c (gimplify_compound_literal_expr,
8074         optimize_compound_literals_in_ctor): Remove.
8075         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
8076         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
8077         * c-semantics.c (emit_local_var): Remove.
8078
8079         * langhooks-def.h (lhd_expand_expr): Remove.
8080         * langhooks.c (lhd_expand_expr): Remove.
8081         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
8082
8083         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
8084         handling from c-semantics.c; don't call into langhook.
8085         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
8086         * gimplify.c (gimplify_compound_literal_expr,
8087         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
8088         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
8089         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
8090         as was done in c-gimplify.c.
8091         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
8092         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
8093         Move from c-common.h.
8094         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
8095
8096         * tree.c (staticp): Do not call langhook.
8097         * langhooks.c (lhd_staticp): Delete.
8098         * langhooks-def.h (lhd_staticp): Delete prototype.
8099         (LANG_HOOKS_STATICP): Delete.
8100         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
8101
8102         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
8103         instead of DECL_STMTs.
8104
8105 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8106
8107         PR c/456
8108         PR c/5675
8109         PR c/19976
8110         PR c/29116
8111         PR c/31871
8112         PR c/35198
8113         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
8114         void_type_node.
8115         (fold_call_expr): Return a NOP_EXPR from folding rather than the
8116         contained expression.
8117         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
8118         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
8119         conditional expressions for C.
8120         (decl_constant_value_for_optimization): Move from
8121         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
8122         whether optimizing and that the expression is a VAR_DECL not of
8123         array type instead of doing such checks in the caller.  Do not
8124         check pedantic.  Call gcc_unreachable for C++.
8125         * c-common.def (C_MAYBE_CONST_EXPR): New.
8126         * c-common.h (c_fully_fold, c_save_expr,
8127         decl_constant_value_for_optimization): New prototypes.
8128         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8129         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8130         EXPR_INT_CONST_OPERANDS): Define.
8131         * c-convert.c (convert): Strip nops from expression.
8132         * c-decl.c (groktypename): Take extra parameters expr and
8133         expr_const_operands.  Update call to grokdeclarator.
8134         (start_decl): Update call to grokdeclarator.  Add statement for
8135         expressions used in type of decl.
8136         (grokparm): Update call to grokdeclarator.
8137         (push_parm_decl): Update call to grokdeclarator.
8138         (build_compound_literal): Add parameter non_const and build a
8139         C_MAYBE_COSNT_EXPR if applicable.
8140         (grokdeclarator): Take extra parameters expr and
8141         expr_const_operands.  Track expressions used in declaration
8142         specifiers and declarators.  Fold array sizes and track whether
8143         they are constant expressions and whether they are integer
8144         constant expressions.
8145         (parser_xref_tag): Set expr and expr_const_operands fields in
8146         return value.
8147         (grokfield): Update call to grokdeclarator.
8148         (start_function): Update call to grokdeclarator.
8149         (build_null_declspecs): Set expr and expr_const_operands fields in
8150         return value.
8151         (declspecs_add_type): Handle expressions in typeof specifiers.
8152         * c-parser.c (c_parser_declspecs): Set expr and
8153         expr_const_operands fields for declaration specifiers.
8154         (c_parser_enum_specifier): Likewise.
8155         (c_parser_struct_or_union_specifier): Likewise.
8156         (c_parser_typeof_specifier): Likewise.  Update call to
8157         groktypename.  Fold expression as needed.  Return expressions with
8158         type instead of adding statements.
8159         (c_parser_attributes): Update calls to c_parser_expr_list.
8160         (c_parser_statement_after_labels): Fold expression before passing
8161         to objc_build_throw_stmt.
8162         (c_parser_condition): Fold expression.
8163         (c_parser_asm_operands): Fold expression.
8164         (c_parser_conditional_expression): Use c_save_expr.  Update call
8165         to build_conditional_expr.
8166         (c_parser_alignof_expression): Update call to groktypename.
8167         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
8168         original_code.  Fold expression argument of va_arg.  Create
8169         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
8170         argument to va_arg.  Update calls to groktypename.  Fold array
8171         index for offsetof.  Verify that first argument to
8172         __builtin_choose_expr has integer type.
8173         (c_parser_postfix_expression_after_paren_type): Update calls to
8174         groktypename and build_compound_literal.  Handle expressions with
8175         side effects in type name.
8176         (c_parser_postfix_expression_after_primary): Update call to
8177         c_parser_expr_list.  Set original_code for calls to
8178         __builtin_constant_p.
8179         (c_parser_expr_list): Take extra parameter fold_p.  Fold
8180         expressions if requested.
8181         (c_parser_objc_type_name): Update call to groktypename.
8182         (c_parser_objc_synchronized_statement): Fold expression.
8183         (c_parser_objc_receiver): Fold expression.
8184         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
8185         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
8186         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
8187         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
8188         (struct c_typespec): Add elements expr and expr_const_operands.
8189         (struct c_declspecs): Add elements expr and expr_const_operands.
8190         (groktypename, build_conditional_expr, build_compound_literal):
8191         Update prototypes.
8192         (in_late_binary_op): Declare.
8193         * c-typeck.c (note_integer_operands): New function.
8194         (in_late_binary_op): New variable.
8195         (decl_constant_value_for_broken_optimization): Move to c-common.c
8196         and rename to decl_constant_value_for_optimization.
8197         (default_function_array_conversion): Do not strip nops.
8198         (default_conversion): Do not call
8199         decl_constant_value_for_broken_optimization.
8200         (build_array_ref): Do not fold result.
8201         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
8202         result when operand is a VLA.
8203         (c_expr_sizeof_type): Update call to groktypename.  Handle
8204         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
8205         result when operand names a VLA type.
8206         (build_function_call): Update call to build_compound_literal.
8207         Only fold result for calls to __builtin_* functions.  Strip
8208         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
8209         the function designator.
8210         (convert_arguments): Fold arguments.  Update call to
8211         convert_for_assignment.
8212         (build_unary_op): Handle increment and decrement of
8213         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
8214         decrement earlier.  Fold operand of increment and decrement.
8215         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
8216         built for integer operand.  Wrap returns that are INTEGER_CSTs
8217         without being integer constant expressions or that have integer
8218         constant operands without being INTEGER_CSTs.
8219         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8220         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
8221         result is an integer constant expression or can be used in
8222         unevaluated parts of one and avoid folding and wrap as
8223         appropriate.  Fold operands before possibly doing -Wsign-compare
8224         warnings.
8225         (build_compound_expr): Wrap result for C99 if operands can be used
8226         in integer constant expressions.
8227         (build_c_cast): Update call to digest_init.  Do not ignore
8228         overflow from casting floating-point constants to integers.  Wrap
8229         results that could be confused with integer constant expressions,
8230         null pointer constants or floating-point constants.
8231         (c_cast_expr): Update call to groktypename.  Handle expressions
8232         included in type name.
8233         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
8234         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
8235         Update calls to convert_for_assignment.
8236         (convert_for_assignment): Take new parameter
8237         null_pointer_constant.  Do not strip nops or call
8238         decl_constant_value_for_broken_optimization.  Set
8239         in_late_binary_op for conversions to boolean.
8240         (store_init_value): Update call to digest_init.
8241         (digest_init): Take new parameter null_pointer_constant.  Do not
8242         call decl_constant_value_for_broken_optimization.  pedwarn for
8243         initializers not constant expressions.  Update calls to
8244         convert_for_assignment.
8245         (constructor_nonconst): New.
8246         (struct constructor_stack): Add nonconst element.
8247         (really_start_incremental_init, push_init_level, pop_init_level):
8248         Handle constructor_nonconst and nonconst element.
8249         (set_init_index): Call constant_expression_warning for array
8250         designators.
8251         (output_init_element): Fold value.  Set constructor_nonconst as
8252         applicable.  pedwarn for initializers not constant expressions.
8253         Update call to digest_init.  Call constant_expression_warning
8254         where constant initializers are required.
8255         (process_init_element): Use c_save_expr.
8256         (c_finish_goto_ptr): Fold expression.
8257         (c_finish_return): Fold return value.  Update call to
8258         convert_for_assignment.
8259         (c_start_case): Fold switch expression.
8260         (c_process_expr_stmt): Fold expression.
8261         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
8262         ensure statement expression is not evaluated in constant expression.
8263         (build_binary_op): Track whether results are integer constant
8264         expressions or may occur in such, disable folding and wrap results
8265         as applicable.  Fold operands for -Wsign-compare warnings unless
8266         in_late_binary_op.
8267         (c_objc_common_truthvalue_conversion): Handle results folded to
8268         integer constants that are not integer constant expressions.
8269         * doc/extend.texi: Document when typeof operands are evaluated,
8270         that condition of __builtin_choose_expr is an integer constant
8271         expression, and more about use of __builtin_constant_p in
8272         initializers.
8273
8274 2009-03-29  Richard Guenther  <rguenther@suse.de>
8275
8276         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
8277         propagate addresses of array references.
8278
8279 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
8280
8281         * regmove.c (perhaps_ends_bb_p): Remove.
8282         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
8283         from INSN and check that the main loop stays within that basic block.
8284         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8285         (regmove_forward_pass): Split out from regmove_optimize.  Use
8286         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8287         (regmove_backward_pass): Split out from regmove_optimize.  Use
8288         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8289         (regmove_optimize): Simplify.
8290
8291 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8292
8293         PR target/39545
8294         * config/i386/i386.c (classify_argument): Ignore flexible array
8295         member in struct and warn ABI change.
8296
8297 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8298
8299         * config/i386/i386-protos.h (ix86_agi_dependent): New.
8300
8301         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8302         (ix86_adjust_cost): Updated.
8303
8304 2009-03-29  Jan Hubicka  <jh@suse.cz>
8305
8306         PR middle-end/28850
8307         * tree-pass.h (pass_cleanup_eh): New function.
8308         (remove_unreachable_regions): Break code handling RTL
8309         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8310         that can not be reached by runtime.
8311         (can_be_reached_by_runtime): New function.
8312         (label_to_region_map): New function.
8313         (num_eh_regions): New function.
8314         (rtl_remove_unreachable_regions): New function.
8315         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8316         (remove_eh_region): New function.
8317         * except.h: Include sbitmap and vecprim.
8318         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8319         num_eh_regions): Declare.
8320         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8321         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8322         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8323         (tree_empty_eh_handler_p): New function.
8324         (cleanup_empty_eh): New function.
8325         (cleanup_eh): New function.
8326         (pass_cleanup_eh): New function.
8327
8328 2009-03-29  Jan Hubicka  <jh@suse.cz>
8329
8330         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8331         for removed regions.
8332
8333 2009-03-29  Jan Hubicka  <jh@suse.cz>
8334
8335         * except.c (dump_eh_tree): Dump all datastructures.
8336
8337 2009-03-29  Jan Hubicka  <jh@suse.cz>
8338
8339         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8340         (duplicate_eh_regions_1): Likewise.
8341         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8342         vector; call EH verification.
8343         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8344         Be ready for region being removed.
8345
8346 2009-03-29  Jan Hubicka  <jh@suse.cz>
8347
8348         * bitmap.c (bitmap_last_set_bit): New function.
8349         * bitmap.h (bitmap_last_set_bit): Declare.
8350
8351 2009-03-29  David Ayers  <ayers@fsfe.org>
8352
8353         PR objc/27377
8354         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8355         by calling objc_compare_types and surpress warnings about
8356         incompatible C pointers that are compatible ObjC pointers.
8357
8358 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8359
8360         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8361         call initialize_inline_failed.
8362         (initialize_inline_failed): Move it from here ...
8363         * cgraph.c (initialize_inline_failed): ... to here.
8364         (cgraph_create_edge): Call initialize_inline_failed rather than
8365         setting inline_failed directly.
8366
8367 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8368
8369         PR target/32542
8370         * sysv4.opt (msdata): Improve comment.
8371         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8372         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8373
8374 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8375
8376         PR target/30451
8377         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8378         load and store attributes.
8379
8380 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8381
8382         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8383         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8384         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8385         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8386         __builtin_infq and __builtin_huge_valq.
8387
8388 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8389
8390         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8391         atmega8m1 devices.
8392         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8393         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8394
8395 2009-03-28  Xinliang David Li  <davidxl@google.com>
8396
8397         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8398         (do_dbg_cnt): New function.
8399
8400 2009-03-28  Jan Hubicka  <jh@suse.cz>
8401
8402         Merge from pretty-ipa:
8403
8404         2009-03-27  Jan Hubicka  <jh@suse.cz>
8405
8406         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8407         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8408         * passes.c (function_called_by_processed_nodes_p): New.
8409         * ipa-pure-const.c (check_call): Fix handling of operands.
8410         (analyze_function): Dump debug output for skipped bodies.
8411         (local_pure_const): Use function_called_by_processed_nodes_p.
8412         * dwarf2out.c (reference_to_unused): Use output.
8413         * passes.c (do_per_function_toporder): Likewise.
8414
8415         2008-11-12  Jan Hubicka  <jh@suse.cz>
8416
8417         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8418         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8419         state_set_in_source enum
8420         (check_decl): Ignore memory tags; do not set fake looping flags;
8421         dump diagnostics.
8422         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8423         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8424         (check_call, analyze_function): Rewrite.
8425         (check_stmt): New.
8426         (add_new_function): Update call of analyze_function.
8427         (generate_summary): Add call of analyze_function.
8428         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8429         (local_pure_const): New function.
8430         (pass_local_pure_const): New pass.
8431         * ipa-inline.c (inline_transform): Set after_inlining.
8432         * tree-eh.c (stmt_can_throw_external): New.
8433         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8434         work with aliasing built.
8435         * tree-flow.h (stmt_can_throw_external): New.
8436         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8437         and local pure/const pass in early and late optimization queue.
8438
8439 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8440
8441         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8442         allow_func_align.
8443         (fold_binary): Allow function decl aligment consideration is the
8444         second argument is integer constant one.
8445         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8446         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8447         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8448
8449 2009-03-28  Jan Hubicka  <jh@suse.cz>
8450
8451         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8452         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8453         * function.h (rtl_data): Add nothrow flag.
8454         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8455         set DECL_NOTHROW for AVAILABLE functions.
8456
8457 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8458
8459         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8460         following vector keyword has expansion starting with pixel or bool
8461         keyword, expand vector to __vector and pixel or bool to __pixel or
8462         __bool.
8463
8464         PR c++/39554
8465         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8466         warn_if_disallowed_function_p): Removed.
8467         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8468         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8469         warning_if_disallowed_function_p.
8470         * flags.h (warn_if_disallowed_function_p,
8471         warn_disallowed_functions): Removed.
8472         * common.opt (Wdisallowed-function-list=): Removed.
8473         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8474
8475 2009-03-28  Richard Guenther  <rguenther@suse.de>
8476
8477         PR tree-optimization/38723
8478         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8479         the entry block.
8480
8481 2009-03-28  Jan Hubicka  <jh@suse.cz>
8482
8483         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8484         test introduced by my previous patch.
8485
8486 2009-03-28  Richard Guenther  <rguenther@suse.de>
8487
8488         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8489         the PHIs value undefined.
8490
8491 2009-03-28  Jan Hubicka  <jh@suse.cz>
8492
8493         * tree-pass.h (pass_fixup_cfg): New pass.
8494         * ipa-inline.c (inline_transform): Set
8495         always_inline_functions_inlined/after_inlining.
8496         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8497         (pass_fixup_cfg): New pass.
8498         * passes.c (init_optimization_passes): Add fixup_cfg.
8499
8500 2009-03-28  Richard Guenther  <rguenther@suse.de>
8501
8502         PR tree-optimization/38458
8503         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8504         argument use the arguments copy-of value.
8505
8506 2009-03-28  Richard Guenther  <rguenther@suse.de>
8507
8508         PR tree-optimization/38180
8509         * tree-ssa-ccp.c (get_default_value): Simplify.
8510         (likely_value): Likewise.
8511         (surely_varying_stmt_p): Properly handle VOP case.
8512         (ccp_initialize): Likewise.
8513         (ccp_fold): Handle propagating through *&.
8514         (fold_const_aggregate_ref): Also handle decls.
8515
8516 2009-03-28  Jan Hubicka  <jh@suse.cz>
8517
8518         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8519         * cgraph.h (cgraph_node): Likewise.
8520         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8521         (cgraph_reset_node): Use process flag.
8522         (cgraph_mark_functions_to_output): Likewise.
8523         (cgraph_expand_function): Likewise.
8524         (cgraph_expand_all_functions): Likewise.
8525         (cgraph_output_in_order): Likewise.
8526         * dwarf2out.c (reference_to_unused): Likewise.
8527         * passes.c do_per_function_toporder): Likewise.
8528
8529 2009-03-28  Jan Hubicka  <jh@suse.cz>
8530
8531         Bring from lto-branch:
8532
8533         2008-09-03  Doug Kwan  <dougkwan@google.com>
8534
8535         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8536         enums instead of reason strings.
8537         * cgraph.c (cgraph_create_edge): Same.
8538         (cgraph_inline_failed_string): New function.
8539         * cgraph.h (cgraph_inline_failed_t): New enum type.
8540         (cgraph_inline_failed_string): New prototype.
8541         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8542         char pointer to cgraph_inline_failed_t.
8543         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8544         (cgraph_default_inline_p): Ditto.
8545         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8546         to cgraph_inline_failed_t pointer.
8547         * cif-code.def: New file.
8548         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8549         reason string.
8550         (cgraph_check_inline_limits): Change type of REASON to pointer to
8551         cgraph_inline_failed_t.  Replace reason strings with enums.
8552         (cgraph_default_inline_p): Ditto.
8553         (cgraph_recursive_inlining_p): Ditto.
8554         (update_caller_keys): Change type of FAILED_REASON to
8555         cgraph_inline_failed_t.
8556         (cgraph_set_inline_failed): Change type of REASON to pointer to
8557         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8558         convert enums to strings for text output.
8559         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8560         to be of type cgraph_inline_failed_t.  Replace reason strings with
8561         enums.  Call cgraph_inline_failed_string to covert enums
8562         to strings for text output.
8563         (cgraph_decide_inlining): Replace reason strings with enums.
8564         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8565         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8566         for text output.
8567         * tree-inline.c (expand_call_inline): Change type of REASON
8568         to cgraph_inline_failed_t.  Replace reason strings with enums.
8569         Call cgraph_inline_failed_string for text output.
8570         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8571         (cgraph.o): Ditto.
8572
8573 2009-03-28  Jan Hubicka  <jh@suse.cz>
8574
8575         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8576         cgraph_clone_node): Remove master clone handling.
8577         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8578         * cgraph.h (master_clone): Remove.
8579         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8580         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8581         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8582
8583 2009-03-28  Jan Hubicka  <jh@suse.cz>
8584
8585         * cgraph.c (cgraph_function_body_availability): Functions declared
8586         inline are always safe to assume that it is not going to be replaced.
8587
8588 2009-03-28  Richard Guenther  <rguenther@suse.de>
8589
8590         PR tree-optimization/38513
8591         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8592         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8593         EXC_PTR_EXPR and FILTER_EXPR.
8594         (get_ref_from_reference_ops): Likewise.
8595
8596 2009-03-28  Richard Guenther  <rguenther@suse.de>
8597
8598         PR tree-optimization/38968
8599         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8600         Use FLOOR_MOD_EXPR to compute misalignment.
8601
8602 2009-03-28  Richard Guenther  <rguenther@suse.de>
8603
8604         PR tree-optimization/37795
8605         * tree.h (combine_comparisons): Declare.
8606         * fold-const.c (combine_comparisons): Export.
8607         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8608         comparisons.
8609         (ifcombine_iforif): Use combine_comparisons.
8610
8611 2009-03-28  Jan Hubicka  <jh@suse.cz>
8612
8613         * tree-eh.c (inlinable_call_p): New function.
8614         (make_eh_edges): Use it.
8615         (verify_eh_edges): Use it.
8616         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8617         * except.c (reachable_next_level): Add inlinable_function argument
8618         (sjlj_find_directly_reachable_regions): Update.
8619         (add_reachable_handler): Do not set saw_any_handlers.
8620         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8621         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8622         Add new inlinable call parameter.
8623         (can_throw_internal, can_throw_external): Update.
8624         * except.h (can_throw_internal_1, can_throw_external_1,
8625         foreach_reachable_handler): Update declaration.
8626
8627 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8628
8629         * config/arm/t-arm-coff, config/h8300/coff.h,
8630         config/i386/i386-aout.h, config/i386/i386-coff.h,
8631         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8632         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8633         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8634         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8635         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8636         sys-types.h: Remove.
8637         * Makefile.in: Remove protoize and fixproto support and references
8638         in comments.
8639         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8640         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8641         Remove.
8642         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8643         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8644         unprotoize$(exeext).
8645         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8646         (.PHONY): Don't depend on proto.
8647         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8648         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8649         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8650         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8651         build/gen-protos.o, build/scan.o, xsys-protos.h,
8652         build/fix-header$(build_exeext), build/fix-header.o,
8653         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8654         stmp-install-fixproto): Remove.
8655         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8656         SYSCALLS.c or fixproto files.
8657         (install-common): Don't install protoize.
8658         (install-headers-tar, install-headers-cpio, install-headers-cp):
8659         Don't depend on $(STMP_FIXPROTO).
8660         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8661         install fixproto files or write out fixproto settings.
8662         (uninstall): Don't uninstall protoize.
8663         * config.gcc (use_fixproto): Remove.
8664         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8665         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8666         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8667         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8668         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8669         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8670         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8671         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8672         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8673         * config/t-vxworks (STMP_FIXPROTO): Remove.
8674         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8675         STMP_FIXPROTO): Remove.
8676         * config.in, configure: Regenerate.
8677         * crtstuff.c (gid_t, uid_t): Don't undefine.
8678         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8679         (arm-*-coff, arm-*-aout: Remove target entries.
8680         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8681         Remove mention of AIX 4.1.
8682         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8683         * doc/invoke.texi (Running Protoize): Remove.
8684         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8685         (Protoize Caveats): Remove.
8686         * tsystem.h: Update comments on headers assumed to exist.
8687
8688 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8689
8690         * genautomata.c: Add a new year to the copyright.  Add a new
8691         reference.
8692         (struct insn_reserv_decl): Add comments for member bypass_list.
8693         (find_bypass): Remove.
8694         (insert_bypass): New.
8695         (process_decls): Use insert_bypass.
8696         (output_internal_insn_latency_func): Output all bypasses with the
8697         same input insn in one switch case.
8698
8699         * rtl.def (define_bypass): Describe bypass choice.
8700         * doc/md.texi (define_bypass): Ditto.
8701
8702 2009-03-27  Richard Guenther  <rguenther@suse.de>
8703
8704         * gimplify.c (mark_addressable): Export.
8705         * tree-flow.h (mark_addressable): Declare.
8706         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8707         * tree-ssa.c (verify_phi_args): Verify that address taken
8708         variables have TREE_ADDRESSABLE set.
8709
8710 2009-03-27  Richard Guenther  <rguenther@suse.de>
8711
8712         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8713         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8714         Do not mark decls TREE_ADDRESSABLE.
8715         (build_fold_addr_expr): Adjust.
8716         (fold_addr_expr): Remove.
8717         (fold_unary): Use build_fold_addr_expr.
8718         (fold_comparison): Likewise.
8719         (split_address_to_core_and_offset): Likewise.
8720         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8721         TREE_ADDRESSABLE.
8722         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8723         (gimplify_modify_expr_to_memcpy): Mark source and destination
8724         addressable.
8725         * omp-low.c (create_omp_child_function): Mark the object decl
8726         TREE_ADDRESSABLE.
8727         (lower_rec_input_clauses): Mark the var we take the address of
8728         TREE_ADDRESSABLE.
8729         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8730
8731 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8732
8733         PR middle-end/39315
8734         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8735         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8736
8737 2009-03-27  Richard Guenther  <rguenther@suse.de>
8738
8739         PR tree-optimization/39120
8740         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8741         constraints.
8742         (handle_lhs_call): Process return constraints.  Add escape
8743         constraints if necessary.
8744         (handle_const_call): Fill out return constraints.  Make nested
8745         case more precise.  Avoid consttmp if possible.
8746         (handle_pure_call): Fill out return constraints.  Avoid
8747         callused if possible.
8748         (find_func_aliases): Simplify call handling.
8749
8750 2009-03-27  Richard Guenther  <rguenther@suse.de>
8751
8752         PR tree-optimization/39120
8753         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8754         as a representative.
8755         (solve_graph): Do propagate CALLUSED.
8756         (handle_pure_call): Use a scalar constraint from CALLUSED for
8757         the return value.
8758         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8759         solutions.
8760
8761 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8762
8763         PR c/39323
8764         * c-common.c (handle_aligned_attribute): Properly check alignment
8765         overflow.  Use (1U << i) instead of (1 << i).
8766
8767         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8768
8769         * expr.h (get_mem_align_offset): Updated.
8770
8771         * tree.h (tree_decl_common): Change align to "unsigned int" and
8772         move it before pointer_alias_set.
8773
8774 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8775             Jakub Jelinek  <jakub@redhat.com>
8776
8777         PR target/38034
8778         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8779         gr_register_operand with gr_reg_or_0_operand.
8780         (cmpxchg_rel_di): Likewise.
8781         (sync_lock_test_and_set<mode>): Likewise.
8782
8783 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8784
8785         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8786         (true_regnum): Likewise.
8787
8788         * rtlanal.c (subreg_info): Moved to ...
8789         * rtl.h (subreg_info): Here.  New.
8790         (subreg_get_info): New.
8791
8792         * rtlanal.c (subreg_get_info): Make it extern.
8793
8794 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8795
8796         PR target/39472
8797         * config/i386/i386.c (ix86_abi): New.
8798         (override_options): Handle -mabi=.
8799         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8800         (ix86_call_abi_override): Likewise.
8801         (init_cumulative_args): Likewise.
8802         (function_arg_advance): Likewise.
8803         (function_arg_64): Likewise.
8804         (function_arg): Likewise.
8805         (ix86_pass_by_reference): Likewise.
8806         (ix86_function_value_regno_p): Likewise.
8807         (ix86_build_builtin_va_list_abi): Likewise.
8808         (setup_incoming_varargs_64): Likewise.
8809         (is_va_list_char_pointer): Likewise.
8810         (ix86_init_machine_status): Likewise.
8811         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8812         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8813         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8814         (ix86_function_abi): Make it static and return enum calling_abi.
8815         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8816         with ix86_abi.
8817         (ix86_fn_abi_va_list): Updated.
8818
8819         * config/i386/i386.h (ix86_abi): New.
8820         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8821         (CONDITIONAL_REGISTER_USAGE): Likewise.
8822         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8823         (machine_function): Likewise.
8824
8825         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8826         with ix86_abi.
8827         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8828         (STACK_BOUNDARY): Likewise.
8829         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8830
8831         * config/i386/i386.opt (mabi=): New.
8832
8833         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8834         return enum calling_abi.
8835         (ix86_function_type_abi): Likewise.
8836         (ix86_function_abi): Removed.
8837
8838         * doc/invoke.texi: Document -mabi= option for x86.
8839
8840 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8841
8842         * builtins.c (real_dconstp): Delete.
8843         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8844
8845 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8846             Jakub Jelinek  <jakub@redhat.com>
8847
8848         PR debug/37959
8849         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8850         (gen_subprogram_die): When a function is explicit, generate the
8851         DW_AT_explicit attribute.
8852         * langhooks.h (struct lang_hooks_for_decls): Add
8853         function_decl_explicit_p langhook.
8854         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8855         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8856
8857 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8858
8859         * builtins.c (fold_builtin_memory_op): Optimize memmove
8860         into memcpy if we can prove source and destination don't overlap.
8861
8862         * tree-inline.c: Include gt-tree-inline.h.
8863         (clone_fn_id_num): New variable.
8864         (clone_function_name): New function.
8865         (tree_function_versioning): Use it.
8866         * Makefile.in (GTFILES): Add tree-inline.c.
8867
8868 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8869
8870         * BASE-VER: Change to 4.5.0.
8871
8872 2009-03-27  Xinliang David Li  <davidxl@google.com>
8873
8874         PR tree-optimization/39557
8875         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8876
8877 2009-03-27  Xinliang David Li  <davidxl@google.com>
8878
8879         PR tree-optimization/39548
8880         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8881         candidate check.
8882
8883 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8884
8885         * c-common.c (pointer_int_sum): Use %wd on return from
8886         tree_low_cst.
8887
8888 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8889
8890         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8891         on return from tree_low_cst.
8892
8893 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8894
8895         PR c++/36799
8896         * ginclude/stdarg.h (va_copy): Define also for
8897         __GXX_EXPERIMENTAL_CXX0X__.
8898
8899 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8900
8901         PR c++/35652
8902         * builtins.h (c_strlen): Do not warn here.
8903         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8904         * c-common.c (pointer_int_sum): Take an explicit location.
8905         Warn about offsets out of bounds.
8906         * c-common.h (pointer_int_sum): Adjust declaration.
8907
8908 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8909
8910         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8911         markup glitch.
8912
8913 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8914
8915         PR c++/39554
8916         * opts.c (warn_if_disallowed_function_p): Don't assume
8917         get_callee_fndecl must return non-NULL.
8918
8919 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8920
8921         PR rtl-optimization/39522
8922         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8923         when reg_reloaded_valid is set.
8924
8925 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8926
8927         * config/spu/divv2df3.c: New file.
8928         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8929         (DPBIT_FUNCS): Filter out _div_df.
8930
8931 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8932
8933         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8934         a jump insn, count that jump in the distance to the loop start.
8935
8936 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8937
8938         PR target/39523
8939         * config/sh/sh.c (calc_live_regs): Fix condition for global
8940         registers except PIC_OFFSET_TABLE_REGNUM.
8941
8942 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8943
8944         PR/39518
8945         * doc/invoke.texi (-mconsole): New.
8946         (-mcygwin): New.
8947         (-mno-cygwin): New.
8948         (-mdll): New.
8949         (-mnop-fun-dllimport): New.
8950         (-mthread): New.
8951         (-mwin32): New.
8952         (-mwindows): New.
8953         (sub section "i386 and x86-64 Windows Options"): New.
8954
8955 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8956
8957         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8958         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8959
8960 2009-03-25  Richard Guenther  <rguenther@suse.de>
8961
8962         PR middle-end/39497
8963         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8964         of -Wno-error.
8965
8966 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8967
8968         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8969         neither of haifa/selective schedulers are working.
8970
8971 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8972
8973         * doc/invoke.texi (Debugging Options): Fix description of
8974         -fno-merge-debug-strings.
8975
8976 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8977
8978         * config/cris/libgcc.ver: New version-script.
8979         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8980
8981         * configure.ac <GAS features, nop mnemonic>: Add pattern
8982         crisv32-*-* for "nop".
8983         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8984         * configure: Regenerate.
8985
8986 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8987
8988         PR tree-optimization/39529
8989         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
8990         mark_sym_for_renaming for the tag copied to the new vector
8991         pointer.
8992
8993 2009-03-24  Arthur Loiret  <aloiret@debian.org>
8994
8995         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
8996         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
8997         EXTRA_SPEC_FUNCTIONS.
8998         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
8999         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
9000         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
9001         -march and -mtune options.
9002
9003 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
9004
9005         * config/m68k/t-rtems: Add m5329 multilib.
9006
9007 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
9008             Jakub Jelinek  <jakub@redhat.com>
9009
9010         PR debug/39524
9011         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
9012         nodes.
9013
9014 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9015
9016         PR c/39495
9017         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
9018         instead of c_parser_expression_conv, if original_code isn't one of the
9019         4 allowed comparison codes, fail.
9020
9021 2009-03-23  Richard Guenther  <rguenther@suse.de>
9022
9023         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
9024         * tree.h (struct tree_type): Likewise.
9025         * reload.h (struct insn_chain): Likewise.
9026         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
9027         * function.h (struct function): Likewise.
9028         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
9029
9030 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9031
9032         PR tree-optimization/39516
9033         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
9034
9035 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
9036
9037         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
9038         should be set true if BITS_PER_WORD of target is bigger than 32
9039
9040 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
9041
9042         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
9043         Translate -B-options to -rpath-link.  Correct existing
9044         rpath-link and conditionalize on !nostdlib.
9045
9046 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9047
9048         * doc/extend.texi (Function Attributes, Variable Attributes):
9049         Fix typos.
9050         * doc/invoke.texi (Debugging Options, Optimize Options)
9051         (i386 and x86-64 Options, MCore Options): Likewise.
9052
9053 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
9054
9055         PR debug/37890
9056         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
9057         it for block local namespace aliases.
9058         (gen_decl_die): Pass context_die to gen_namespace_die.
9059
9060 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9061
9062         PR c/39495
9063         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
9064         minimum or maximum value.
9065
9066 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
9067
9068         * reginfo.c (globalize_reg): Recompute derived reg sets.
9069
9070 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
9071
9072         PR target/39063
9073         * libgcc2.c (mprotect): Do not use signed arguments for
9074         VirtualProtect, use DWORD arguments.  Also fix the 'may
9075         be used uninitialized' warning for the np variable.
9076
9077 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9078
9079         PR target/39496
9080         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
9081         functions using regparm calling conventions when not optimizing.
9082         (ix86_function_sseregparm): Similarly for sseregparm calling
9083         conventions.
9084
9085 2009-03-19  Li Feng  <nemokingdom@gmail.com>
9086
9087         PR middle-end/39500
9088         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
9089         dependence if the first conflict is after niter iterations.
9090
9091 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
9092
9093         PR middle-end/38609
9094         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
9095         functions with dynamic stack-pointer adjustments.
9096
9097 2009-03-19  Ben Elliston  <bje@au.ibm.com>
9098
9099         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
9100         option; change to -msdata=data.
9101
9102 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9103
9104         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
9105         and -fopenmp.
9106
9107 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
9108
9109         PR target/35180
9110         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
9111
9112 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
9113
9114         * doc/invoke.texi (Code Gen Options): Expand discussion of
9115         -fno-common.
9116
9117 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
9118
9119         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
9120         * matrix-reorg.c (struct matrix_info): Likewise.
9121         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
9122         * rtl.h (struct mem_attrs): Likewise.
9123         * df.h (struct df): Likewise.
9124         * tree-data-ref.h (struct data_dependence_relation): Likewise.
9125         * ira-int.h (struct ira_allocno): Likewise.
9126         * df-scan.c (struct df_collection_rec): Likewise.
9127         * ira.c (struct equivalence): Likewise.
9128         * function.c (struct temp_slot): Likewise.
9129         * cfgloop.h (struct loop): Likewise.
9130
9131         PR debug/39485
9132         * function.c (use_register_for_decl): When not optimizing, disregard
9133         register keyword for variables with types containing methods.
9134
9135 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
9136
9137         PR middle-end/39447
9138         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
9139         (is_simple_operand): Call contains_component_ref_p before calling data
9140         reference analysis that would fail on COMPONENT_REFs.
9141
9142         * tree-vrp.c (search_for_addr_array): Fix formatting.
9143
9144 2009-03-18  Richard Guenther  <rguenther@suse.de>
9145
9146         * tree-vect-transform.c (vect_loop_versioning): Fold the
9147         generated comparisons.
9148         * tree-vectorizer.c (set_prologue_iterations): Likewise.
9149         (slpeel_tree_peel_loop_to_edge): Likewise.
9150
9151 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9152
9153         PR middle-end/37805
9154         * opts.c (print_specific_help): In addition to `undocumented',
9155         accept `separate' and `joined' flags if passed alone.  Describe
9156         output by the first matched one of those.
9157         (common_handle_option): Skip over empty strings.
9158         * gcc.c (display_help): Fix help string for `--help='.
9159         * doc/invoke.texi (Option Summary, Overall Options): With
9160         `--help=', classes and qualifiers can both be repeated, but
9161         only the latter can be negated.  One should not pass only
9162         negated qualifiers.  Fix markup and examples.
9163
9164         Revert
9165         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
9166         PR middle-end/37805
9167         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
9168         and -fhelp=separate.
9169
9170 2009-03-17  Jing Yu  <jingyu@google.com>
9171
9172         PR middle-end/39378
9173         * function.h (struct rtl_data): Move is_thunk from here...
9174         (struct function): ...to here.
9175         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
9176         * varasm.c (assemble_start_function): Change is_thunk from crtl to
9177         cfun.
9178         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
9179         cfun.
9180         (alpha_does_function_need_gp, alpha_start_function): Likewise.
9181         (alpha_output_function_end_prologue): Likewise.
9182         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
9183         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
9184         (rs6000_output_function_epilogue): Likewise.
9185         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
9186
9187 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
9188
9189         PR target/39482
9190         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
9191         from different units in a single alternative.
9192         (*truncdfsf_i387): Ditto.
9193         (*truncxfsf2_mixed): Ditto.
9194         (*truncxfdf2_mixed): Ditto.
9195
9196 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
9197
9198         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
9199         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
9200
9201         PR debug/39474
9202         * tree-ssa-live.c (remove_unused_locals): Don't remove local
9203         unused non-artificial variables when not optimizing.
9204
9205         PR debug/39471
9206         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
9207         DW_TAG_imported_module even if decl is IMPORTED_DECL with
9208         NAMESPACE_DECL in its DECL_INITIAL.
9209
9210         PR middle-end/39443
9211         * optabs.c (set_user_assembler_libfunc): New function.
9212         * expr.h (set_user_assembler_libfunc): New prototype.
9213         * c-common.c: Include libfuncs.h.
9214         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9215         for memcmp, memset, memcpy, memmove and abort.
9216         * Makefile.in (c-common.o): Depend on libfuncs.h.
9217
9218         PR debug/39412
9219         * dwarf2out.c (gen_inlined_enumeration_type_die,
9220         gen_inlined_structure_type_die, gen_inlined_union_type_die,
9221         gen_tagged_type_instantiation_die): Removed.
9222         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9223         do nothing.
9224
9225 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
9226
9227         PR testsuite/38526
9228         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9229         its use.
9230         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
9231         (check-parallel-%): Ditto.
9232         (check-consistency): Ditto.
9233
9234 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
9235
9236         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
9237         local variable rhs by NULL_TREE.
9238
9239 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9240
9241         PR target/39477
9242         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
9243
9244 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9245
9246         PR target/39476
9247         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
9248
9249 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9250
9251         PR target/39473
9252         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
9253         for ms->sysv ABI calls only in 64bit mode.
9254
9255         * config/i386/i386.md (untyped_call): Support 32bit.
9256
9257 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
9258
9259         * doc/extend.texi: Replace x86_65 with x86_64.
9260
9261 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
9262
9263         PR tree-optimization/39455
9264         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9265         mismatches for POINTER_TYPE_P (type).
9266         (number_of_iterations_le): Likewise.
9267
9268 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9269
9270         * config/picochip/picochip.c: Removed profiling support.
9271         * config/picochip/picochip.md: Removed profiling instruction.
9272         * config/picochip/picochip.h: Removed profiling builtin.
9273
9274 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
9275
9276         * doc/install.texi (--with-host-libstdcxx): Document.
9277
9278 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
9279
9280         PR target/34299
9281         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9282         generate a warning if the function name does not begin with
9283         "__vector" and the function has either the 'signal' or 'interrupt'
9284         attribute, from here to ...
9285         (avr_declare_function_name): ...here. New function.
9286         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9287         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9288
9289 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
9290
9291         PR bootstrap/39454
9292         * cse.c (fold_rtx): Don't modify original const_arg1 when
9293         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9294         separate variable instead.
9295         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9296         from out of range shift counts.
9297         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9298
9299 2009-03-13  Catherine Moore  <clm@codesourcery.com>
9300
9301         * config/i386/x-mingw32 (host-mingw32.o): Replace
9302         diagnostic.h with $(DIAGNOSTIC_H).
9303
9304 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
9305
9306         PR target/39431
9307         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9308         predicate.
9309         * config/i386/sync.md (sync_compare_and_swap<mode>,
9310         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9311         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9312         into a register.
9313         (sync_double_compare_and_swapdi_pic,
9314         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9315         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9316
9317 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9318
9319         PR target/39445
9320         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9321
9322 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9323
9324         PR target/39327
9325         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9326         (avx_addsubv4df3): Likewise.
9327         (*avx_addsubv4sf3): Likewise.
9328         (sse3_addsubv4sf3): Likewise.
9329
9330 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9331
9332         PR target/38824
9333         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9334
9335 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9336
9337         PR debug/39432
9338         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9339         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9340         registers for allocnos created from user-defined variables.
9341
9342 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9343
9344         PR target/39181
9345         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9346         of non-integer mode as well.
9347
9348 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9349
9350         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9351         for functions for which the parameter types are unknown.
9352
9353 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9354
9355         PR target/39137
9356         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9357         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9358         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9359         * config/i386/i386.c (ix86_local_alignment): For
9360         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9361         long long variables on the stack to avoid dynamic realignment.
9362         Allow the first argument to be a decl rather than type.
9363         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9364
9365 2009-03-11  Nick Clifton  <nickc@redhat.com>
9366
9367         PR target/5362
9368         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9369         options.
9370         Add description to mno-lsim option.
9371         * config/mcore/mcore.h: Remove comment about deprecated m4align
9372         option.
9373         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9374         * doc/invoke.texi: Add description of mno-lsim and
9375         mstack-increment options.
9376
9377         * config/fr30/fr30.opt: Document the -mno-lsim option.
9378         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9379         and -mno-lsim options.
9380
9381 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9382
9383         * fold-const.c (fold_comparison): Only call fold_inf_compare
9384         if the mode supports infinities.
9385
9386 2009-03-11  Jason Merrill  <jason@redhat.com>
9387
9388         PR debug/39086
9389         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9390         end already did.  Notice GIMPLE_CALL modifications of the result.
9391         Don't copy debug information from an ignored decl or a decl from
9392         another function.
9393
9394 2009-03-10  Richard Guenther  <rguenther@suse.de>
9395             Nathan Froyd  <froydnj@codesourcery.com>
9396
9397         PR middle-end/37850
9398         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9399         (__divMODE3): Likewise.
9400
9401 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9402
9403         PR tree-optimization/39394
9404         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9405         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9406
9407 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9408
9409         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9410         inline asms for register asm ("") declarations.
9411
9412 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9413
9414         * fold-const.c (fold_unary): Fix comment.
9415
9416 2009-03-07  Jan Hubicka  <jh@suse.cz>
9417
9418         PR target/39361
9419         * tree-inline.c (setup_one_parameter): Do replacement of const
9420         argument by constant in SSA form.
9421
9422 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9423
9424         PR middle-end/38028
9425         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9426         determine alignment passed to assign_stack_local.
9427         (assign_parms_unsplit_complex): Likewise.
9428         * except.c (sjlj_build_landing_pads): Likewise.
9429
9430 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9431
9432         PR middle-end/39360
9433         * tree-flow.h (add_referenced_var): Return bool instead of void.
9434         * tree-dfa.c (add_referenced_var): Return result of
9435         referenced_var_check_and_insert call.
9436         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9437         of referenced_var_check_and_insert.
9438
9439         PR debug/39372
9440         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9441         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9442         DIE, don't emit it if abstract origin already has it.
9443         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9444         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9445
9446 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9447
9448         * genpreds.c (needs_variable): Fix parentheses at variable name
9449         detection.
9450         (write_tm_constrs_h): Indent generated code.
9451
9452 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9453
9454         * doc/extend.texi (Function Attributes): Add documentation
9455         for isr attributes.
9456
9457 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9458
9459         PR debug/39387
9460         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9461         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9462
9463 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9464
9465         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9466         the loop as bad.
9467
9468 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9469
9470         PR debug/39379
9471         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9472         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9473
9474 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9475
9476         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9477         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9478         constants instead of magic numbers.
9479         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9480         (QI_REG_P): Ditto.
9481         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9482         (x86_64_ms_abi_int_parameter_registers): Ditto.
9483         (x86_64_int_return_registers): Ditto.
9484         (ix86_maybe_switch_abi): Ditto.
9485         (ix86_expand_call): Ditto for clobbered_registers array.
9486         (ix86_hard_regno_mode_ok): Ditto.
9487         (x86_extended_QIreg_mentioned_p): Ditto.
9488
9489 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9490
9491         PR tree-optimization/39349
9492         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9493
9494         * combine.c (gen_lowpart_for_combine): Use omode when generating
9495         clobber.
9496
9497 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9498
9499         PR rtl-optimization/39235
9500         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9501
9502 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9503
9504         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9505
9506 2009-03-04  Richard Guenther  <rguenther@suse.de>
9507
9508         PR tree-optimization/39362
9509         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9510         that occur in abnormal PHIs should be varying.
9511
9512 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9513
9514         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9515         Extend comments.
9516         (simple_iv):  Take loop as an argument instead of statement.
9517         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9518         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9519         to simple_iv.
9520         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9521         Ditto.
9522         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9523         * matrix-reorg.c (analyze_transpose): Ditto.
9524         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9525         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9526         * tree-predcom.c (ref_at_iteration): Ditto.
9527         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9528
9529 2009-03-04  Richard Guenther  <rguenther@suse.de>
9530
9531         PR tree-optimization/39358
9532         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9533         escaped_id and callused_id.
9534         (solve_graph): Likewise.
9535
9536 2009-03-04  Richard Guenther  <rguenther@suse.de>
9537
9538         PR tree-optimization/39339
9539         * tree-sra.c (try_instantiate_multiple_fields): Make it
9540         no longer ICE on the above.
9541
9542 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9543
9544         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9545         that fits within Pmode.
9546
9547 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9548
9549         PR middle-end/10109
9550         * tm.texi (LIBCALL_VALUE): Update description.
9551
9552 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9553
9554         PR middle-end/34443
9555         * doc/extend.texi (section): Update description.
9556
9557 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9558
9559         PR middle-end/39345
9560         * tree-inline.c (remapped_type): New.
9561         (can_be_nonlocal): Call remapped_type instead of remap_type.
9562
9563 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9564
9565         PR fortran/39354
9566         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9567         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9568
9569 2009-03-03  Richard Guenther  <rguenther@suse.de>
9570
9571         PR middle-end/39272
9572         * tree.c (tree_nonartificial_location): New function.
9573         * tree.h (tree_nonartificial_location): Declare.
9574         * builtins.c (expand_builtin_memory_chk): Provide location
9575         of the call location for artificial function pieces.
9576         (maybe_emit_chk_warning): Likewise.
9577         (maybe_emit_sprintf_chk_warning): Likewise.
9578         (maybe_emit_free_warning): Likewise.
9579         * expr.c (expand_expr_real_1): Likewise.
9580
9581 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9582
9583         PR tree-optimization/39343
9584         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9585         COMPONENT_REF t has ARRAY_TYPE.
9586
9587 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9588
9589         PR middle-end/39335
9590         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9591         when the type precision of the induction variable should be
9592         larger than the type precision of nit.
9593         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9594         * graphite.c (graphite_loop_normal_form): Same.
9595         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9596
9597 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9598
9599         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9600         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9601         numbers to describe clobbered registers.
9602         (*call_value_0_rex64_ms_sysv): Ditto.
9603         * config/i386/mmx.md (mmx_emms): Ditto.
9604         (mmx_femms): Ditto.
9605
9606 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9607
9608         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9609         of ABI_64.
9610
9611 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9612
9613         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9614         (spu_section_type_flags): New function.
9615
9616 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9617
9618         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9619         reg_class_contents of FLOAT_REGS into a temporary.
9620
9621 2009-03-02  Richard Guenther  <rguenther@suse.de>
9622             Ira Rosen  <irar@il.ibm.com>
9623
9624         PR tree-optimization/39318
9625         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9626         information to the vectorized statement.
9627
9628 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9629
9630         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9631         variable.  Use defined names instead of magic constants for REX SSE
9632         registers.
9633
9634 2009-03-01  Richard Guenther  <rguenther@suse.de>
9635
9636         PR tree-optimization/39331
9637         * omp-low.c (lower_send_shared_vars): Do not receive new
9638         values for the reference of DECL_BY_REFERENCE parms or results.
9639
9640 2009-03-01  Jan Hubicka  <jh@suse.cz>
9641
9642         PR debug/39267
9643         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9644         BLOCK_NONLOCALIZED_VAR): New macros.
9645         (tree_block): Add nonlocalized_vars.
9646         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9647         gen_decl_die): Add origin argument.  Allow generation of die with
9648         origin at hand only.
9649         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9650         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9651         of gen_*.
9652         (gen_block_die): Fix checking for unused blocks.
9653         (process_scope_var): Break out from .... ; work with origins only.
9654         (decls_for_scope) ... here; process nonlocalized list.
9655         (dwarf2out_ignore_block): Look for nonlocalized vars.
9656         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9657         vars.
9658         (dump_scope_block): Dump them.
9659         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9660         (remap_block): Likewise.
9661         (can_be_nonlocal): New predicate.
9662         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9663
9664 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9665
9666         * configure: Regenerate.
9667
9668 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9669
9670         * optc-gen.awk: No need to duplicate option flags twice.
9671         Reuse help texts for duplicate options which do not have any.
9672
9673         * gcc.c (display_help): Document --version.
9674
9675         * gcc.c (main): If print_help_list and verbose_flag, ensure
9676         driver output comes before subprocess output.
9677
9678         * optc-gen.awk: Assign all remaining fields to help string,
9679         space-separated, for multi-line help in *.opt.
9680
9681         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9682         -Wno-pedantic-ms-format is for MinGW targets only.
9683
9684         * doc/options.texi (Option file format): Fix bad indentation,
9685         restoring dropped sentence.
9686
9687 2009-02-28  Jan Hubicka  <jh@suse.cz>
9688
9689         * tree-inline.c (tree_function_versioning): Output debug info.
9690
9691 2009-02-28  Jan Hubicka  <jh@suse.cz>
9692
9693         PR debug/39267
9694         * tree-inline.c (setup_one_parameter): Do not copy propagate
9695         arguments when not optimizing.
9696
9697 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9698
9699         PR target/39327
9700         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9701         (avx_addsubv4df3): Likewise.
9702         (*avx_addsubv4sf3): Likewise.
9703         (sse3_addsubv4sf3): Likewise.
9704         (*avx_addsubv2df3): Likewise.
9705         (sse3_addsubv2df3): Likewise.
9706         (avx_unpckhps256): Correct item selectors.
9707         (avx_unpcklps256): Likewise.
9708         (avx_unpckhpd256): Likewise.
9709         (avx_unpcklpd256): Likewise.
9710
9711 2009-02-28  Jan Hubicka  <jh@suse.cz>
9712
9713         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9714         static vars.
9715         (copy_arguments_for_versioning): If var is declared don't declare it.
9716         (tree_function_versioning): First setup substitutions and then copy
9717         args.
9718
9719 2009-02-27  Jan Hubicka  <jh@suse.cz>
9720
9721         PR debug/39267
9722         * cgraph.h (varpool_output_debug_info): Remove.
9723         * cgraphunit.c (varpool_output_debug_info): Remove.
9724         * dwarf2out.c (deferred_locations_struct): New struct
9725         (deferred_locations): New type.
9726         (deferred_locations_list): New static var.
9727         (deffer_location): New function.
9728         (gen_variable_die): Use it.
9729         (decls_for_scope): Output info on local static vars.
9730         (dwarf2out_finish): Process deferred locations.
9731         * varpool.c (varpool_output_debug_info): Remove.
9732
9733 2009-02-27  Jan Hubicka  <jh@suse.cz>
9734
9735         PR debug/39267
9736         * tree.h (TREE_PROTECTED): Fix comment.
9737         (BLOCK_HANDLER_BLOCK): Remove.
9738         (struct tree_block): Remove handler_block add body_block.
9739         (inlined_function_outer_scope_p): New.
9740         (is_body_block): Remove.
9741         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9742         * dwarf2out.c (is_inlined_entry_point): Remove.
9743         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9744         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9745         code.
9746         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9747         * gimplify.c (gimplify_expr): Gimplify body blocks.
9748         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9749         block with multiple subblocks.
9750         (dump_scope_block): Prettier output; dump more flags and info.
9751         (dump_scope_blocks): New.
9752         (remove_unused_locals): Use dump_scope_blocks.
9753         * tree-flow.h (dump_scope_blocks): Declare.
9754         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9755         * stmt.c (is_body_block): Remove.
9756         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9757         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9758
9759 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9760
9761         PR middle-end/39308
9762         * graphite.c (graphite_loop_normal_form): Do not call
9763         number_of_iterations_exit from a gcc_assert.
9764
9765 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9766
9767         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9768         jumps if COND is NULL.
9769         (find_cond_jump): New function.
9770         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9771         * config/s390/s390.md: Remove z10_cobra attribute value.
9772
9773 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9774
9775         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9776         force_const_mem returns NULL_RTX.
9777
9778 2009-02-26  Jan Hubicka  <jh@suse.cz>
9779
9780         PR debug/39267
9781         * cgraph.h (varpool_output_debug_info): Remove.
9782         * cgraphunit.c (varpool_output_debug_info): Remove.
9783         * dwarf2out.c (deferred_locations_struct): New struct
9784         (deferred_locations): New type.
9785         (deferred_locations_list): New static var.
9786         (deffer_location): New function.
9787         (gen_variable_die): Use it.
9788         (decls_for_scope): Output info on local static vars.
9789         (dwarf2out_finish): Process deferred locations.
9790         * varpool.c (varpool_output_debug_info): Remove.
9791
9792 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9793
9794         PR rtl-optimization/39241
9795         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9796         to subreg_offset_representable_p.
9797
9798 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9799
9800         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9801         execute function prototype.  Get f and nregs from max_reg_num
9802         and get_insns.  Remove the first backward pass as it's dead,
9803         guard the forward pass by flag_expensive_optimizations.
9804         (rest_of_handle_regmove): Delete.
9805         (pass_regmove): Replace it with regmove_optimize.
9806
9807 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9808
9809         PR tree-optimization/39259
9810         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9811         calls_alloca function flags.
9812         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9813         calls are detected.
9814
9815 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9816
9817         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9818         flags_set_1_rtx, flags_set_1_set): Delete.
9819         (regmove_optimize): Do not call mark_flags_life_zones.
9820
9821 2009-02-24  Julian Brown  <julian@codesourcery.com>
9822
9823         PR target/35965
9824         * config/arm/arm.c (require_pic_register): Only set
9825         cfun->machine->pic_reg once per function.
9826
9827 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9828
9829         * doc/invoke.texi (Link Options): Document an easier way to pass
9830         options that take arguments to the GNU linker using -Xlinker and -Wl.
9831
9832 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9833
9834         PR target/33785
9835         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9836
9837 2009-02-24  Richard Guenther  <rguenther@suse.de>
9838
9839         PR debug/39285
9840         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9841
9842 2009-02-24  Richard Guenther  <rguenther@suse.de>
9843             Zdenek Dvorak  <ook@ucw.cz>
9844
9845         PR tree-optimization/39233
9846         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9847         from converting them to a generic type.
9848
9849 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9850
9851         PR tree-optimization/39260
9852         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9853         contains a condition with a real type.
9854         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9855
9856 2009-02-23  Jason Merrill  <jason@redhat.com>
9857
9858         PR c++/38880
9859         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9860         narrowing_initializer_constant_valid_p.
9861         (narrowing_initializer_constant_valid_p): Don't return
9862         null_pointer_node for adding a pointer to itself.
9863
9864 2009-02-23  Jan Hubicka  <jh@suse.cz>
9865
9866         PR c/12245
9867         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9868         resizing.
9869
9870 2009-02-23  Jan Hubicka  <jh@suse.cz>
9871
9872         PR tree-optimization/37709
9873         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9874         * tree.h (block_ultimate_origin): Declare.
9875         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9876         * tree-ssa-live.c (remove_unused_scope_block_p):
9877         Eliminate blocks containig no instructions nor live variables nor
9878         nested blocks.
9879         (dump_scope_block): New function.
9880         (remove_unused_locals): Enable removal of dead blocks by default;
9881         enable dumping at TDF_DETAILS.
9882
9883 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9884
9885         * config/i386/i386.c (classify_argument): Don't allow COImode
9886         and OImode.
9887         (function_arg_advance_32): Don't allow OImode.
9888         (function_arg_32): Likewise.
9889         (function_value_32): Likewise.
9890         (return_in_memory_32): Likewise.
9891         (function_arg_64): Remove OImode comment.
9892
9893 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9894
9895         PR target/39261
9896         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9897         ix86_expand_vector_set for V4DImode in 64bit mode only.
9898         (ix86_expand_vector_init_one_var): Likewise.
9899
9900 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9901
9902         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9903
9904 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9905
9906         PR bootstrap/39257
9907         * loop-iv.c: Revert last change.
9908         * emit-rtl.c: Likewise.
9909
9910 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9911
9912         PR target/39256
9913         * config/i386/i386.c (type_natural_mode): Remove an extra
9914         space in the warning message.
9915         (function_value_32): Handle 32-byte vector modes.
9916         (return_in_memory_32): Likewise.
9917
9918 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9919
9920         * loop-iv.c (truncate_value): New function.
9921         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9922         of lowpart_subreg.
9923         (lowpart_subreg): Move to...
9924         * emit-rtl.c: ...here.
9925
9926 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9927
9928         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9929         accidental and undocumented change at revision 140860.
9930
9931 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9932
9933         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9934         take gimple_seq * arguments.
9935         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9936         types_compatible_p langhook.
9937
9938 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9939             Joseph Myers  <joseph@codesourcery.com>
9940
9941         * config/arm/arm.c (arm_builtin_va_list): New function.
9942         (arm_expand_builtin_va_start): Likewise.
9943         (arm_gimplify_va_arg_expr): Likewise.
9944         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9945         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9946         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9947         (va_list_type): New variable.
9948         (arm_mangle_type): Mangle va_list_type appropriately.
9949
9950 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9951
9952         PR middle-end/39157
9953         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9954         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9955         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9956         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9957         parameter to 1000 for -O1 by default.
9958         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9959         parameter.
9960         * loop-invariant.c: Include params.h.
9961         (move_loop_invariants): Don't call move_single_loop_invariants on
9962         very large loops.
9963
9964 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9965
9966         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9967         offset when calculating bounds for indexing stack_usage_map.  Fixes
9968         a buffer overflow with certain target setups.
9969
9970 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9971
9972         PR target/39240
9973         * calls.c (expand_call): Clear try_tail_call if caller and callee
9974         disagree in promotion of function return value.
9975
9976 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9977
9978         PR target/39175
9979         * c-common.c (c_determine_visibility): If visibility changed and
9980         DECL_RTL has been already set, call make_decl_rtl to update symbol
9981         flags.
9982
9983 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9984
9985         PR c++/39188
9986         * varasm.c (assemble_variable): Don't check DECL_NAME when
9987         globalizing a variable.
9988
9989 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
9990
9991         PR c/38483
9992         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
9993         expression before any __builtin_trap call.
9994         * c-typeck.c (build_function_call): Convert and check function
9995         arguments before generating a call to a trap.  Evaluate the
9996         function arguments before the trap.
9997
9998 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
9999
10000         PR target/39228
10001         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
10002         (UNSPEC_FXAM_MEM): New unspec.
10003         (fxam<mode>2_i387_with_temp): New insn and split pattern.
10004         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
10005         memory using fxam<mode>2_i387_with_temp to remove excess precision.
10006
10007 2009-02-19  Richard Guenther  <rguenther@suse.de>
10008
10009         PR tree-optimization/39207
10010         PR tree-optimization/39074
10011         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
10012         storedanything_tree): New.
10013         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
10014         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
10015         (build_succ_graph): Add edges from STOREDANYTHING to all
10016         non-direct nodes.
10017         (init_base_vars): Initialize STOREDANYTHING.
10018         (compute_points_to_sets): Free substitution info after
10019         building the succ graph.
10020         (ipa_pta_execute): Likewise.
10021
10022         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
10023         field.
10024         (do_ds_constraint): Do not add to special var or non-pointer
10025         field solutions.
10026         (type_could_have_pointers): Split out from ...
10027         (could_have_pointers): ... here.  For arrays use the element type.
10028         (create_variable_info_for): Initialize may_have_pointers.
10029         (new_var_info): Likewise.
10030         (handle_lhs_call): Make the HEAP variable unknown-sized.
10031         (intra_create_variable_infos): Use a type with pointers for
10032         PARM_NOALIAS, make it unknown-sized.
10033
10034 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10035
10036         PR target/39224
10037         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
10038
10039 2009-02-18  Jason Merrill  <jason@redhat.com>
10040
10041         PR target/39179
10042         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
10043         value if DECL_EXTERNAL.
10044         * tree-sra.c (sra_walk_gimple_assign): Likewise.
10045         * target.h (gcc_target::binds_local_p): Clarify "module".
10046         * tree.h (TREE_PUBLIC): Clarify "module".
10047
10048 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
10049
10050         PR target/38891
10051         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
10052         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
10053
10054 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
10055
10056         PR target/39082
10057         * c.opt (Wabi): Support C and ObjC.
10058         (Wpsabi): New.
10059
10060         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
10061
10062         * config/i386/i386.c (classify_argument): Warn once about the ABI
10063         change when passing union with long double.
10064
10065         * doc/invoke.texi: Update -Wabi for warning psABI changes.
10066
10067 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
10068
10069         PR c/35447
10070         * c-parser.c (c_parser_compound_statement): Always enter and leave
10071         a scope.
10072
10073 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10074
10075         PR target/34587
10076         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
10077
10078 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
10079
10080         PR tree-optimization/36922
10081         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
10082         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
10083         Likewise.
10084
10085 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10086
10087         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
10088         to 0 for EABI64.
10089
10090 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10091
10092         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
10093
10094 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10095
10096         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
10097         tree sharing.
10098
10099 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
10100             Richard Sandiford  <rdsandiford@googlemail.com>
10101
10102         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
10103         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
10104         (loongson_biadd): ...this.
10105
10106 2009-02-17  Richard Guenther  <rguenther@suse.de>
10107
10108         PR tree-optimization/39202
10109         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
10110         a var make sure to follow existing collapses.
10111
10112 2009-02-17  Richard Guenther  <rguenther@suse.de>
10113
10114         PR middle-end/39214
10115         * langhooks.c (lhd_print_error_function): Check for NULL block.
10116
10117 2009-02-17  Richard Guenther  <rguenther@suse.de>
10118
10119         PR tree-optimization/39204
10120         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
10121         of the PHI arg.
10122
10123 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
10124
10125         * config/soft-fp/double.h: Update from glibc CVS.
10126
10127 2009-02-17  Richard Guenther  <rguenther@suse.de>
10128
10129         PR tree-optimization/39207
10130         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
10131         strict-aliasing warnings for pointers pointing to NULL.
10132
10133 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
10134
10135         PR c/35446
10136         * c-parser.c (c_parser_braced_init): Call pop_init_level when
10137         skipping until next close brace.
10138
10139 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10140
10141         PR target/37049
10142         * config/i386/i386.c (ix86_expand_push): Set memory alignment
10143         to function argument boundary.
10144
10145 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10146
10147         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
10148         in the lea_add. Reload eventually constraints it properly.
10149         * config/picochip/constraints.md: Remove the target constraint
10150         "b", since it is not needed anymore.
10151
10152 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
10153
10154         * gthr-dce.h: Uglify function parameter and local variable names.
10155         * gthr-gnat.h: Likewise.
10156         * gthr-mipssde.h: Likewise.
10157         * gthr-nks.h: Likewise.
10158         * gthr-posix95.h: Likewise.
10159         * gthr-posix.h: Likewise.
10160         * gthr-rtems.h: Likewise.
10161         * gthr-single.h: Likewise.
10162         * gthr-solaris.h: Likewise.
10163         * gthr-tpf.h: Likewise.
10164         * gthr-vxworks.h: Likewise.
10165         * gthr-win32.h: Likewise.
10166
10167 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
10168
10169         PR target/39196
10170         * config/i386/i386.md: Restrict the new peephole2 to move
10171         between MMX/SSE registers.
10172
10173 2009-02-15  Richard Guenther  <rguenther@suse.de>
10174
10175         Revert
10176         2009-02-13  Richard Guenther  <rguenther@suse.de>
10177
10178         * configure.ac: Enable LFS.
10179         * configure: Re-generate.
10180         * config.in: Likewise.
10181
10182 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10183
10184         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
10185         spu_srqwbyte, spu_srqwbytebc): Define.
10186         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
10187         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
10188         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
10189         "shrqby_<mode>"): New insn-and-split patterns.
10190         * config/spu/spu.c (expand_builtin_args): Determine and return
10191         number of operands using spu_builtin_description data.
10192         (spu_expand_builtin_1): Use it.
10193
10194 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
10195
10196         PR target/38056
10197         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
10198         TARGET_CONST_GP.
10199
10200 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10201
10202         PR target/39149
10203         * config/i386/i386.c (override_options): Correct warning
10204         messages for -malign-loops, -malign-jumps and -malign-functions.
10205
10206 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10207
10208         PR target/39152
10209         * config/i386/i386.md: Restrict the new peephole2 to move
10210         between the general purpose registers.
10211
10212 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10213
10214         PR target/39162
10215         * config/i386/i386.c (type_natural_mode): Add a new argument.
10216         Return the original mode and warn ABI change if vector size is 32byte.
10217         (function_arg_advance): Updated.
10218         (function_arg): Likewise.
10219         (ix86_function_value): Likewise.
10220         (ix86_return_in_memory): Likewise.
10221         (ix86_sol10_return_in_memory): Likewise.
10222         (ix86_gimplify_va_arg): Likewise.
10223         (function_arg_32): Don't warn ABX ABI change here.
10224         (function_arg_64): Likewise.
10225
10226 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10227
10228         * loop-iv.c (implies_p): In the final case, test that operands 0
10229         of the two comparisons match.
10230
10231         * config/bfin/bfin.c (find_prev_insn_start): New function.
10232         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
10233         (find_next_insn_start): Move.
10234
10235 2009-02-13  Richard Guenther  <rguenther@suse.de>
10236
10237         * configure.ac: Enable LFS.
10238         * configure: Re-generate.
10239         * config.in: Likewise.
10240
10241 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
10242
10243         PR c/35444
10244         * c-parser.c (c_parser_parms_list_declarator): Discard pending
10245         sizes on syntax error after some arguments have been parsed.
10246
10247 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10248
10249         * doc/invoke.texi (-fira): Remove.
10250
10251 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10252
10253         * caller-save.c: Replace regclass.c with reginfo.c in comments.
10254         * recog.c: Likewise.
10255         * rtl.h: Likewise.
10256
10257 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
10258
10259         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
10260         (umul_ppmm): Likewise.
10261         (count_leading_zeros): Likewise.
10262         (count_trailing_zeros): Likewise.
10263         (UMUL_TIME): Likewise.
10264
10265 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10266
10267         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
10268         soft-fp/t-softfp to tmake_file.
10269
10270         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
10271         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
10272         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
10273         IA64_BUILTIN_INFQ]: New.
10274         (ia64_init_builtins): Initialize __builtin_infq,
10275         __builtin_fabsq and __builtin_copysignq if not HPUX.
10276         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
10277         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
10278
10279         * config/ia64/lib1funcs.asm (__divtf3): Define only if
10280         SHARED is defined.
10281         (__fixtfti): Likewise.
10282         (__fixunstfti): Likewise.
10283         (__floattitf): Likewise.
10284
10285         * config/ia64/libgcc-glibc.ver: New.
10286         * config/ia64/t-fprules-softfp: Likewise.
10287         * config/ia64/sfp-machine.h: Likewise.
10288
10289         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10290         (LIBGCC2_TF_CEXT): Likewise.
10291         (TF_SIZE): Likewise.
10292         (TARGET_INIT_LIBFUNCS): Likewise.
10293
10294         * config/ia64/t-glibc (SHLINB_MAPFILES):
10295         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10296
10297 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10298
10299         * config/i386/i386.c (construct_container): Rewrite processing
10300         BLKmode with X86_64_SSE_CLASS.
10301
10302 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
10303
10304         PR target/39152
10305         * config/i386/i386.md: Replace simplify_replace_rtx with
10306         replace_rtx in the new peephole2.
10307
10308 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10309
10310         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10311         loop unrolling do not happen at -O2.
10312
10313 2009-02-12  Michael Matz  <matz@suse.de>
10314
10315         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10316
10317 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10318
10319         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10320         for -g3.
10321
10322 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10323
10324         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10325         patterns when updating the back chain.  Missed in the 2009-02-10
10326         change.
10327
10328 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10329
10330         * doc/extend.texi (Decimal Floating Types): Update identifier of
10331         draft TR and list of missing support.
10332
10333 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10334
10335         PR middle-end/39154
10336         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10337         bit to variable length decl's flags, add it also to its
10338         pointer replacement variable.
10339
10340 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10341             Jakub Jelinek  <jakub@redhat.com>
10342
10343         PR target/39118
10344         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10345         (memory_blockage): New expander.
10346         (*memory_blockage): New insn pattern.
10347         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10348         instead of general blockage at the end of function prologue when
10349         frame pointer is used to access red zone area.  Do not emit blockage
10350         when profiling, it is emitted in generic code.
10351         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10352         function epilogue when frame pointer is used to access red zone area.
10353
10354 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10355
10356         PR target/38824
10357         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10358         by arithmetic with memory operands.
10359         * config/i386/predicates.md (commutative_operator): New.
10360
10361 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10362
10363         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10364         bulleted lists.
10365
10366 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10367
10368         * alias.h (record_alias_subset): Declare.
10369         * alias.c (record_alias_subset): Make global.
10370
10371 2009-02-10  Nick Clifton  <nickc@redhat.com>
10372
10373         * tree-parloops.c: Change license to GPLv3.
10374         * ipa-struct-reorg.c: Change license to GPLv3.
10375         * ipa-struct-reorg.h: Change license to GPLv3.
10376
10377 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10378
10379         PR c/39084
10380         * c-decl.c (start_struct): Return NULL on error.
10381
10382 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10383
10384         PR middle-end/39124
10385         * cfgloopmanip.c (remove_path): Call remove_bbs after
10386         cancel_loop_tree, not before it.
10387
10388         PR target/39139
10389         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10390         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10391         VAR_DECLs were seen.
10392         * tree-ssa-live.c (remove_unused_locals): Recompute
10393         cfun->has_local_explicit_reg_vars.
10394         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10395         copies or clearings if cfun->has_local_explicit_reg_vars.
10396
10397 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10398
10399         PR target/39118
10400         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10401         of function prologue when frame pointer is used to access
10402         red zone area.
10403
10404 2009-02-10  Richard Guenther  <rguenther@suse.de>
10405
10406         PR middle-end/39127
10407         * gimplify.c (gimple_regimplify_operands): Always look if
10408         we need to create a temporary.
10409
10410 2009-02-10  Richard Guenther  <rguenther@suse.de>
10411
10412         PR tree-optimization/39132
10413         * tree-loop-distribution.c (todo): New global var.
10414         (generate_memset_zero): Trigger TODO_rebuild_alias.
10415         (tree_loop_distribution): Return todo.
10416
10417 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10418
10419         PR target/39119
10420         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10421         (x86_64_reg_class_name): Removed.
10422         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10423         first one isn't X86_64_SSE_CLASS or any other ones aren't
10424         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10425         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10426         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10427         and 3 X86_64_SSEUP_CLASS.
10428         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10429         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10430
10431 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10432
10433         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10434         form instruction to update the stack back chain word, even if the
10435         user has disabled the generation of update instructions.
10436         (movdi_<mode>_update_stack): New.
10437         (movsi_update_stack): Likewise.
10438         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10439         always use an update form instruction to update the stack back
10440         chain word.
10441
10442 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10443
10444         PR middle-end/38953
10445         * graphite.c (if_region_set_false_region): After moving a region in
10446         the false branch of a condition, remove the empty dummy basic block.
10447         (gloog): Remove wrong fix for PR38953.
10448
10449 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10450
10451         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10452         generation due to implicit sign extension.
10453
10454 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10455
10456         PR middle-end/38981
10457         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10458         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10459
10460 2009-02-09  Richard Guenther  <rguenther@suse.de>
10461
10462         PR middle-end/35202
10463         * convert.c (convert_to_real): Disable (float)fn((double)x)
10464         to fnf(x) conversion if errno differences may occur and
10465         -fmath-errno is set.
10466
10467 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10468
10469         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10470         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10471         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10472
10473 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10474
10475         PR c/35434
10476         * c-common.c (handle_alias_attribute): Disallow attribute for
10477         anything not a FUNCTION_DECL or VAR_DECL.
10478
10479 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10480
10481         PR c/39035
10482         * real.c (do_compare): Special-case compare of zero against
10483         decimal float value.
10484
10485 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10486
10487         PR c/36432
10488         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10489         as indicating flexible array members unless the field itself is
10490         being declarared as the incomplete array.
10491
10492 2009-02-06  Jan Hubicka  <jh@suse.cz>
10493
10494         PR tree-optimization/38844
10495         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10496         is already inlined.
10497
10498 2009-02-06  Richard Guenther  <rguenther@suse.de>
10499
10500         PR middle-end/38977
10501         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10502         fork because we may expand it as __gcov_fork.
10503
10504 2009-02-06  Nick Clifton  <nickc@redhat.com>
10505
10506         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10507
10508 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10509
10510         PR tree-optimization/35659
10511         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10512         vn_phi_eq): Shortcut if hashcode does not match.
10513         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10514         NULL operands.
10515         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10516         and avoid iterative_hash_expr.
10517         (FOR_EACH_VALUE_ID_IN_SET): New.
10518         (value_id_compare): Remove.
10519         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10520         sort expressions by value id.
10521
10522 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10523
10524         PR target/38991
10525         * config/sh/predicates.md (general_movsrc_operand): Don't check
10526         the subreg of system registers here.
10527
10528 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10529
10530         PR c++/39106
10531         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10532         on the copied decl.
10533
10534 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10535
10536         PR rtl-optimization/39110
10537         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10538         addresses, not aligned ones.
10539
10540 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10541             Richard Guenther  <rguenther@suse.de>
10542
10543         PR tree-optimization/39100
10544         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10545         comment says and add edges.
10546
10547 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10548
10549         PR c/35435
10550         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10551         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10552
10553 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10554
10555         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10556         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10557         register_bb_in_sese, new_sese, free_sese): Moved.
10558         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10559         outermost_loop_in_scop, build_scop_iteration_domain,
10560         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10561         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10562         Use loop_in_sese_p instead of loop_in_scop_p.
10563         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10564         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10565         (scopdet_basic_block_info): Fix bug in scop detection.
10566         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10567         eq_loop_to_cloog_loop): Remove.
10568         (nb_loops_around_loop_in_scop, nb_loop
10569         ref_nb_loops): Moved here...
10570         * graphite.h (ref_nb_loops): ... from here.
10571         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10572         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10573         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10574         * testsuite/gcc.dg/graphite/scop-19.c: New
10575
10576 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10577             Hans-Peter Nilsson  <hp@axis.com>
10578
10579         PR rtl-optimization/37889
10580         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10581         Move offset handling from PLUS to before the switch.  Use new
10582         arguments when considering SYMBOL_REFs too.
10583         (rtx_addr_can_trap_p): Pass dummy offset and size.
10584         (enum may_trap_p_flags): Remove.
10585         (may_trap_p_1): Pass size from MEM_SIZE.
10586
10587         PR rtl-optimization/38921
10588         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10589         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10590         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10591         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10592
10593 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10594
10595         AVX Programming Reference (January, 2009)
10596         * config/i386/sse.md (*vpclmulqdq): New.
10597
10598 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10599
10600         PR tree-optimization/38977
10601         PR gcov-profile/38292
10602         * calls.c (special_function_p): Disregard __builtin_ prefix.
10603
10604 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10605
10606         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10607         non-indexable addresses even before reload.
10608
10609 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10610
10611         PR c/29129
10612         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10613         as having variable size.  Do not give an error for unnamed
10614         parameters with [*] declarators.  Give a warning for type names
10615         with [*] declarators and mark them as variable size.
10616         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10617         for sizeof applied to [*] type names.
10618
10619 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10620
10621         PR C++/36607
10622         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10623
10624 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10625
10626         * gcc.c (process_command): Update copyright notice dates.
10627         * gcov.c (print_version): Likewise.
10628         * gcov-dump.c (print_version): Likewise.
10629         * mips-tfile.c (main): Likewise.
10630         * mips-tdump.c (main): Likewise.
10631
10632 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10633
10634         PR c/35433
10635         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10636         for composite type involving a zero-length array type.
10637
10638 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10639
10640         PR target/35318
10641         * function.c (match_asm_constraints_1): Skip over
10642         initial optional % in the constraint.
10643
10644         PR inline-asm/39059
10645         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10646         supported, don't accept FIXED_CSTs.
10647         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10648         and _Sat is used without _Fract/_Accum.  Set specs->type to
10649         integer_type_node for cts_fract/cts_accum if fixed point is not
10650         supported.
10651
10652 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10653
10654         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10655
10656 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10657
10658         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10659         (ABI_HAS_64BIT_SYMBOLS): Use it.
10660         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10661
10662 2009-02-02  Paul Brook  <paul@codesourcery.com>
10663
10664         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10665
10666 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10667
10668         PR inline-asm/39058
10669         * recog.h (asm_operand_ok): Add constraints argument.
10670         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10671         recurse on matching constraint.
10672         (check_asm_operands): Pass constraints as 3rd argument to
10673         asm_operand_ok.  Don't look up matching constraint here.
10674         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10675         to asm_operand_ok.
10676
10677 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10678
10679         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10680         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10681
10682 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10683
10684         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10685         information.  Remove some obsolete information.  Reorganize.
10686
10687         * config/pa/fptr.c: Revert license to GPL 2.
10688         * config/pa/milli64.S: Likewise.
10689
10690 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10691
10692         PR target/38904
10693         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10694         LIBRARY name in, instead of hard-coding it.
10695         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10696         extra target make frag to tmake_files according to EH model.
10697         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10698         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10699         frags that define makefile variable EH_MODEL appropriately.
10700         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10701         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10702         to "-sjlj" according to type of EH configured.
10703         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10704         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10705         to "_sjlj" according to type of EH configured.
10706         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10707         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10708         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10709         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10710         string value of "pe_dll" command-line option.
10711         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10712         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10713         (SHLIB_IMPLIB):  Override t-cygming default.
10714         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10715         string value of "pe_dll" command-line option.
10716
10717 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10718
10719         PR target/38952
10720         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10721         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10722
10723 2009-01-31  Richard Guenther  <rguenther@suse.de>
10724
10725         PR tree-optimization/38937
10726         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10727         computing the transitive closure.
10728
10729 2009-01-30  Richard Guenther  <rguenther@suse.de>
10730
10731         PR tree-optimization/39041
10732         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10733         Propagate variable indices only if the types match for this stmt.
10734
10735 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10736
10737         PR target/39013
10738         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10739         inline but never defined.
10740
10741 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10742
10743         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10744         (*insv_h_di_reg_extimm): New insn.
10745         (*insv_l<mode>_reg_extimm): New insn.
10746
10747 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10748
10749         * config/picochip/picochip.c (flag_conserve_stack): set
10750         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10751         fconserve-stack. Reduce call-overhead used by inliner.
10752
10753 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10754
10755         PR/38157
10756         * common.opt (flag_conserve_stack): Initialised to zero.
10757
10758 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10759
10760         PR/39002
10761         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10762         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10763         method.
10764
10765 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10766
10767         * ira-color.c (allocno_reload_assign): Update comments.
10768         * regmove.c (regmove_optimize): Likewise.
10769
10770         * ra.h: Removed.
10771
10772 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10773
10774         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10775         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10776         `MD_UNWIND_SUPPORT'.
10777         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10778
10779 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10780
10781         PR tree-optimization/39007
10782         * tree-loop-distribution.c (generate_builtin): Use
10783         recompute_dominator to compute the immediate dominator of the
10784         basic block just after the loop.
10785
10786 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10787
10788         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10789         (ASM_OUTPUT_DWARF_PCREL): Define.
10790
10791 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10792
10793         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10794         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10795         global.  Modify entries about regmove and IRA.
10796
10797         * ra-conflict.c: Remove the file.
10798
10799         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10800
10801         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10802         (pass_regclass_init): Rename to pass_reginfo_init.
10803
10804         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10805
10806         * toplev.h (flag_ira): Remove.
10807
10808         * caller-save.c (setup_save_areas): Remove flag_ira.
10809
10810         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10811
10812         * global.c: Remove the file.
10813
10814         * opts.c (decode_options): Remove flag_ira.
10815
10816         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10817
10818         * regmove.c: Modify file description.
10819         (find_use_as_address, try_auto_increment): Define them only if
10820         AUTO_INC_DEC is defined.
10821         (replacement_quality, replace_in_call_usage, fixup_match_1,
10822         stable_and_no_regs_but_for_p): Remove.
10823         (reg_set_in_bb): Make it static.
10824         (regmove_optimize): Remove flag_ira and code which worked for
10825         !flag_ira.
10826
10827         * local-alloc.c: Remove the file.
10828
10829         * common.opt (fira): Remove.
10830
10831         * ira.c: Include except.h.
10832         (eliminable_regset): Move from global.c.
10833         (mark_elimination): Ditto.  Remove flag_ira.
10834         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10835         equiv_mem_modified, validate_equiv_mem_from_store,
10836         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10837         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10838         no_equiv, recorded_label_ref): Move from local-alloc.c.
10839         (update_equiv_regs): Ditto.  Make it static.
10840         (print_insn_chain, print_insn_chains): Move it from global.c.
10841         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10842         (build_insn_chain): Ditto.  Make it static.
10843         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10844         Rename to init_live_subregs.
10845         (gate_ira): Remove flag_ira.
10846
10847         * regclass.c: Rename reginfo.c.  Change file description.
10848         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10849         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10850         (init_reg_sets_1): Remove code for evaluation of
10851         reg_class_superclasses and losing_caller_save_reg_set.
10852         (init_regs): Remove init_reg_autoinc.
10853         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10854         ok_for_base_p_nonstrict): Remove.
10855         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10856         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10857         corresponding entries.
10858         (dump_regclass, record_operand_costs, scan_one_insn,
10859         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10860         record_address_regs, auto_inc_dec_reg_p): Remove.
10861         (gt-regclass.h): Rename to gt-reginfo.h.
10862
10863         * rtl.h (dump_global_regs, retry_global_alloc,
10864         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10865
10866         * Makefile.in (RA_H): Remove.
10867         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10868         Rename regclass.o to reginfo.o.
10869         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10870         gt-reginfo.h.
10871         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10872         (GTFILES): Rename regclass.c to reginfo.c.
10873
10874         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10875         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10876
10877         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10878         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10879         Remove flag_ira.
10880         (finish_spills): Ditto.  Remove code for !flag_ira.
10881
10882 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10883
10884         PR middle-end/35854
10885         * doc/invoke.texi (rtl debug options): Complete rewrite.
10886         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10887         to auto_inc_dec".
10888         * mode-switching.c (pass_mode_switching): Rename pass from
10889         "mode-sw" to "mode_sw".
10890         * except.c (pass_convert_to_eh_ranges): Rename pass from
10891         "eh-ranges" to "eh_ranges".
10892         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10893         to "subreg1".
10894
10895
10896 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10897             Alexander Monakov  <amonakov@ispras.ru>
10898
10899         PR middle-end/38857
10900         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10901         register.
10902         (move_exprs_to_boundary): Change return type and pass through
10903         should_move from move_op.  Relax assert.  Update usage ...
10904         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10905         cant_move.
10906         (move_op_orig_expr_found): Indicate that insn was disconnected from
10907         stream.
10908         (code_motion_process_successors): Do not call after_merge_succs
10909         callback if original expression was not found when traversing any of
10910         the branches.
10911         (code_motion_path_driver): Change return type.  Update prototype.
10912         (move_op): Update comment.  Add a new parameter (should_move).  Update
10913         prototype.  Set *should_move based on indication provided by
10914         move_op_orig_expr_found.
10915
10916 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10917
10918         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10919         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10920         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10921         * config/rs6000/rs6000.c (rs6000_override_options): Default
10922         avoid-indexed-addresses on for Power6, off for everything else.
10923         (avoiding_indexed_address_p): New function.
10924         (rs6000_legitimize_address): Use it.
10925         (rs6000_legitimate_address): Likewise.
10926         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10927
10928 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10929
10930         PR tree-optimization/38997
10931         * tree-loop-distribution.c (generate_memset_zero): Use
10932         POINTER_PLUS_EXPR for a pointer addition.
10933
10934 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10935
10936         * config/s390/s390.md (bswap<mode>2): New pattern added.
10937
10938 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10939
10940         * config/s390/s390.md (*tls_load_31): Added type attribute.
10941
10942 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10943
10944         * config/s390/s390.md: Fix a few comments.
10945
10946 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10947
10948         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10949         (*tm<mode>_full): Fixed z10prop attribute.
10950         (*tst<mode>_extimm): Fixed z10prop attribute.
10951         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10952         (*tstqiCCT_cconly): Fixed z10prop attribute.
10953         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10954         (*movsi_larl): Fixed z10prop attribute.
10955         (*movsi_zarch): Fixed z10prop attribute.
10956         (*movsi_eas): Fixed z10prop attribute.
10957         (*movhi): Fixed z10prop attribute.
10958         (*movqi): Fixed z10prop attribute.
10959         (*movstrictqi): Fixed z10prop attribute.
10960         (*mov<mode>): Fixed z10prop attribute.
10961         (*movcc): Fixed z10prop attribute.
10962         (*sethighpartdi_64): Fixed z10prop attribute.
10963         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10964         (*negdi2_sign_cc): Fixed z10prop attribute.
10965         (*negdi2_sign): Fixed z10prop attribute.
10966         (*absdi2_sign_cc): Fixed z10prop attribute.
10967         (*absdi2_sign): Fixed z10prop attribute.
10968         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10969         (*negabsdi2_sign): Fixed z10prop attribute.
10970         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10971         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10972         (doloop_si64): Fixed z10prop attribute.
10973         (doloop_si31): Fixed z10prop attribute.
10974         (doloop_long): Fixed z10prop attribute.
10975         (indirect_jump): Fixed z10prop attribute.
10976         (nop): Fixed z10prop attribute.
10977         (main_base_64): Fixed z10prop attribute.
10978         (reload_base_64): Fixed z10prop attribute.
10979
10980 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10981
10982         PR rtl-optimization/38740
10983         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10984         if !optimize.
10985         * config/mips/mips.c (mips_reorg): Likewise.
10986
10987 2009-01-28  Richard Guenther  <rguenther@suse.de>
10988
10989         PR tree-optimization/38926
10990         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
10991         with the correct value id to a value.
10992         (do_regular_insertion): Use the value number of edoubleprime
10993         for the value number of the expr.
10994
10995         Revert
10996         2008-08-21  Richard Guenther  <rguenther@suse.de>
10997
10998         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
10999         a PHI ask VN if it is already available.
11000         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
11001         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
11002
11003 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11004
11005         PR middle-end/38934
11006         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
11007         set to varying whenever max has TREE_OVERFLOW set, similarly
11008         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
11009
11010 2009-01-28  Richard Guenther  <rguenther@suse.de>
11011
11012         PR middle-end/38908
11013         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
11014         uninitialized aggregate uses in call arguments.
11015
11016 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
11017
11018         PR tree-optimization/38984
11019         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
11020         the nothing_id variable if -fno-delete-null-pointer-checks.
11021
11022 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
11023
11024         PR target/38988
11025         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
11026         (set_got_offset_rex64): Ditto.
11027
11028 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
11029
11030         PR target/38941
11031         * doc/extend.texi: Improve local variable with asm reg.
11032
11033 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
11034
11035         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
11036         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
11037         was not supplied then set warn_packed_bitfield_compat to the
11038         default value of 1.
11039         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
11040         against 1.
11041
11042 2009-01-27  Richard Guenther  <rguenther@suse.de>
11043
11044         PR tree-optimization/38503
11045         * cfgexpand.c (expand_gimple_basic_block): Ignore
11046         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
11047         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
11048         variables that cannot have TBAA applied.
11049         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
11050         statements.
11051
11052 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
11053
11054         PR middle-end/38969
11055         * calls.c (initialize_argument_information): Do not wrap complex
11056         arguments in SAVE_EXPR.
11057
11058 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
11059
11060         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
11061         (INSTALL_LIBGCC): Revert typo commit.
11062
11063 2009-01-26  Richard Guenther  <rguenther@suse.de>
11064
11065         PR tree-optimization/38745
11066         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
11067         from special handling.
11068
11069 2009-01-26  Richard Guenther  <rguenther@suse.de>
11070
11071         PR tree-optimization/38745
11072         * tree-ssa.c (execute_update_addresses_taken): Do not include
11073         variables that cannot possibly be a register in not_reg_needs.
11074         Do not clear TREE_ADDRESSABLE on vars that may not become
11075         registers.
11076         * tree-ssa.c (update_alias_info_1): Include those in the set
11077         of addressable vars.
11078
11079 2009-01-26  Richard Guenther  <rguenther@suse.de>
11080
11081         PR middle-end/38851
11082         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
11083         * tree-ssa-dse.c: Include langhooks.h
11084         (execute_simple_dse): Remove stores with zero size.
11085
11086 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
11087
11088         PR c/38957
11089         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
11090         as PLUS_EXPR.
11091
11092 2009-01-24  Julian Brown  <julian@codesourcery.com>
11093
11094         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
11095         config/arm/linux-atomic.c.
11096         * config/arm/linux-atomic.c: New.
11097
11098 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
11099
11100         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
11101         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
11102         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
11103
11104 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11105
11106         PR c/38938
11107         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
11108         properly.
11109
11110 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
11111
11112         PR tree-optimization/38953
11113         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
11114         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
11115         (gloog): Split the exit of the scop when the scop exit is a loop exit.
11116         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
11117         changed the CFG.
11118
11119 2009-01-24  Paul Brook  <paul@codesourcery.com>
11120
11121         * config/arm/neon.md (neon_type): Move to arm.md.
11122         (neon_mov<VSTRUCT>): Add neon_type attribute.
11123         * config/arm/arm.md (neon_type): Move to here.
11124         (conds): Add "unconditioal" and use as default for NEON insns.
11125
11126 2009-01-24  Ben Elliston  <bje@au.ibm.com>
11127
11128         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
11129         void *' warning from -Wc++-compat.
11130         * Makefile.in (dominance.o-warn): Remove.
11131
11132 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
11133
11134         PR tree-optimization/38932
11135         * fold-const.c (fold_unary_ignore_overflow): New.
11136         * tree.h (fold_unary_ignore_overflow): Declare.
11137         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
11138         * tree-ssa-sccvn.c (visit_reference_op_load,
11139         simplify_unary_expression): Likewise.
11140
11141 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
11142
11143         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
11144         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
11145         regardless of their type.
11146         * c-common.c (handle_packed_attribute): Don't ignore packed on
11147         bitfields.
11148         * c.opt (Wpacked-bitfield-compat): New warning option.
11149         * stor-layout.c (place_field): Warn if offset of a field changed.
11150         * doc/extend.texi (packed): Mention the ABI change.
11151         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
11152         (Warning Options): Add it to the list.
11153
11154 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11155
11156         * c-opts.c (c_common_post_options): Fix a typo in comments.
11157
11158 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
11159
11160         PR middle-end/38615
11161         * gimplify.c (gimplify_init_constructor): Fix promotion of const
11162         variables to static.
11163         * doc/invoke.texi (-fmerge-all-constants): Update description.
11164
11165 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
11166
11167         PR target/38931
11168         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
11169         (*movdi_1_rex64): Use type "mmx" for alternative 5.
11170
11171 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
11172
11173         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
11174         a word boundary.
11175         (LOCAL_ALIGNMENT): Similarly.
11176
11177 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11178             Joseph Myers  <joseph@codesourcery.com>
11179
11180         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
11181         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
11182         * config/arm/arm-tune.md: Regenerate.
11183         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
11184         -march=iwmmxt2.
11185
11186 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11187
11188         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
11189         version number to five.
11190
11191 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
11192
11193         PR c++/38930
11194         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
11195         * c-common.c (set_underlying_type): Likewise.
11196         (is_typedef_decl ): Likewise
11197         * tree.h: Likewise
11198         (set_underlying_type): Likewise.
11199         (is_typedef_type): Likewise.
11200
11201 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11202
11203         PR middle-end/38587
11204         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
11205         crossing setjmps.
11206
11207 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
11208
11209         PR bootstrap/37660
11210         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
11211         (LIBGCC_SPEC):  Don't define.
11212         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
11213
11214 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
11215
11216         PR rtl-optimization/38879
11217         * alias.c (base_alias_check): Unaligned access via AND address can
11218         alias all surrounding object types except those with sizes equal
11219         or wider than the size of unaligned access.
11220
11221 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
11222
11223         PR c++/26693
11224         * c-decl.c (clone_underlying_type): Move this ...
11225         * c-common.c (set_underlying_type): ... here.
11226         Also, make sure the function properly sets TYPE_STUB_DECL() on
11227         the newly created typedef variant type.
11228         (is_typedef_decl ): New entry point.
11229         * tree.h: Added a new member member_types_needing_access_check to
11230         struct tree_decl_non_common.
11231         (set_underlying_type): New entry point.
11232         (is_typedef_type): Likewise.
11233
11234 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
11235
11236         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
11237         Check whether two instructions have memory references that
11238         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
11239         are helper functions for traversing.
11240         * alias.h (insn_alias_sets_confilict_p): New prototypes.
11241         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
11242         not to draw dependency edge for instructions with non-conflicting
11243         alias sets.
11244
11245 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
11246
11247         PR other/38758
11248         * longlong.h: Update copyright years.  Use soft-fp license notice.
11249         Sync __clz_tab declaration with glibc.
11250
11251 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
11252
11253         PR target/30687
11254         * doc/extend.texi (syscall_linkage): New.
11255         (version_id): Modify.
11256
11257 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11258             Richard Guenther  <rguenther@suse.de>
11259
11260         PR tree-optimization/38747
11261         PR tree-optimization/38748
11262         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
11263         conversion if the base address is an indirect reference and the
11264         aliasing sets could cause issues.
11265
11266 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11267
11268         * common.opt (fgraphite, fgraphite-identity): Add comment for
11269         explaining why these options are not documented.
11270
11271 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11272
11273         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
11274         gimple_call_lhs is NULL.
11275
11276 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
11277
11278         PR target/38868
11279         * emit-rtl.c (adjust_address_1): Make sure memref is never
11280         overwritten.
11281
11282 2009-01-20  Ben Elliston  <bje@au.ibm.com>
11283
11284         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11285         const qualifier from arg parameter. Remove unnecessary cast to char *.
11286         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11287         const qualifier from arg 2.
11288
11289 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
11290
11291         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11292
11293 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11294
11295         PR c/38869
11296         * rtl.h (reinit_regs): New prototype.
11297         * regclass.c: Include ira.h.
11298         (reinit_regs): New.
11299         * Makefile.in (regclass.o): Add ira.h.
11300         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11301
11302 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
11303
11304         PR target/38736
11305         * c-common.c (handle_aligned_attribute): Use
11306         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11307         default alignment value.
11308
11309         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11310
11311         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11312         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11313
11314         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11315         __BIGGEST_ALIGNMENT__.
11316
11317         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11318
11319 2009-01-18  Richard Guenther  <rguenther@suse.de>
11320
11321         PR tree-optimization/38819
11322         * tree-flow.h (operation_could_trap_helper_p): Declare.
11323         * tree-eh.c (operation_could_trap_helper_p): Export.
11324         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11325         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11326         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11327         are about to insert a possibly trapping instruction and fail
11328         in this case.
11329
11330 2009-01-18  Andreas Schwab  <schwab@suse.de>
11331
11332         * doc/install.texi (Configuration): Remove obsolete paragraph
11333         about use of --with-gnu-ld with --with-gnu-as.
11334
11335 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11336
11337         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11338         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11339         Follow spelling conventions.
11340
11341 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11342
11343         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11344         C++ warning about implicit conversion from void * to struct
11345         bitmap_head_def *.
11346         (bitmap_obstack_free): Likewise for bitmap_element *.
11347         * Makefile.in (bitmap.o-warn): Remove.
11348
11349 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11350
11351         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11352
11353 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11354             Tobias Grosser  <tobi.grosser@amd.com>
11355
11356         * graphite.c (graphite_trans_scop_block): Do not block single
11357         nested loops.
11358
11359 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11360
11361         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11362         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11363         test with assertion.
11364
11365 2009-01-16  Richard Guenther  <rguenther@suse.de>
11366
11367         PR tree-optimization/38835
11368         PR middle-end/36227
11369         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11370         and INT + PTR -> (INT)(PTR p+ INT) folding.
11371         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11372
11373 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11374
11375         PR target/38554
11376         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11377         the subreg from a lowpart subreg if it is also casting the value.
11378
11379 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11380             Tobias Grosser  <tobi.grosser@amd.com>
11381
11382         * graphite.c (compare_prefix_loops): New.
11383         (build_scop_canonical_schedules): Rewritten.
11384         (graphite_transform_loops): Move build_scop_canonical_schedules
11385         after build_scop_iteration_domain.
11386
11387 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11388             Tobias Grosser  <tobi.grosser@amd.com>
11389
11390         * graphite.c (add_conditions_to_domain): Add the loops to
11391         the dimension of the iteration domain.  Do copy the domain
11392         only when it exists.
11393         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11394         (add_conditions_to_constraints): New.
11395         (can_generate_code_stmt, can_generate_code): Removed.
11396         (gloog): Do not call can_generate_code.
11397         (graphite_transform_loops): Call add_conditions_to_constraints
11398         after building the iteration domain.
11399
11400 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11401
11402         PR tree-optimization/38789
11403         * tree-ssa-threadedge.c
11404         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11405         __builtin_constant_p.
11406
11407 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11408
11409         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11410         examined before deleting them.
11411
11412 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11413
11414         * function.c (aggregate_value_p): Correctly extract the function
11415         type from CALL_EXPR_FN lookup.
11416
11417 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11418
11419         * config/picochip/picochip.c (picochip_override_options): Revert
11420         CFI asm flag disable commited previously.
11421
11422 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11423             Tobias Grosser  <tobi.grosser@amd.com>
11424             Jan Sjodin  <jan.sjodin@amd.com>
11425
11426         * graphite.c (scan_tree_for_params): On substractions negate
11427         all the coefficients of the term.
11428         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11429         of more than two operands.
11430         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11431         (get_vdef_before_scop): Handle also the case of default definitions.
11432
11433 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11434
11435         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11436         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11437         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11438
11439 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11440             Joey Ye  <joey.ye@intel.com>
11441
11442         PR middle-end/37843
11443         * cfgexpand.c (expand_stack_alignment): Don't update stack
11444         boundary nor check incoming stack boundary here.
11445         (gimple_expand_cfg): Update stack boundary and check incoming
11446         stack boundary here.
11447
11448 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11449
11450         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11451
11452 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11453
11454         PR rtl-optimization/38245
11455         * calls.c (expand_call): Add stack arguments to
11456         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11457         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11458         in regs and partially in memory or BLKmode arguments.
11459         (emit_library_call_value_1): Add stack arguments to
11460         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11461         ACCUMULATE_OUTGOING_ARGS).
11462         * dce.c: Include tm_p.h.
11463         (find_call_stack_args): New function.
11464         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11465         argument.
11466         (mark_insn): Call find_call_stack_args for CALL_Ps.
11467         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11468         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11469         down to deletable_insn_p, don't mark stores set in arg_stores
11470         bitmap, clear the bitmap at the beginning of each bb.
11471         * Makefile.in (dce.o): Depend on $(TM_P_H).
11472
11473 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11474
11475         PR target/22599
11476         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11477         to make sure the insn is a conditional test (bug 22599).  Reformat a
11478         few long lines.
11479
11480 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11481
11482         PR middle-end/38431
11483         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11484         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11485         (gloog): Do not call cleanup_tree_cfg.
11486         (graphite_transform_loops): Call cleanup_tree_cfg after all
11487         scops have been code generated.
11488
11489 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11490         * doc/gty.texi (Invoking the garbage collector): Added new node
11491         and section documenting ggc_collect.
11492
11493 2009-01-14  Richard Guenther  <rguenther@suse.de>
11494
11495         PR tree-optimization/38826
11496         PR middle-end/38477
11497         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11498         initialization notes only if we actually emitted a warning.
11499         (intra_create_variable_infos): Add constraints for a result decl
11500         that is passed by hidden reference.
11501         (build_pred_graph): Mark all related variables non-direct on
11502         address-taking.
11503
11504 2009-01-14  Nick Clifton  <nickc@redhat.com>
11505
11506         * ira-conflicts.c: Include addresses.h for the definition of
11507         base_reg_class.
11508         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11509         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11510
11511 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11512
11513         PR target/38811
11514         * Makefile.in (ira-lives.o): Add except.h.
11515
11516         * ira-lives.c: Include except.h.
11517         (process_bb_node_lives): Process can_throw_internal.
11518
11519 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11520
11521         PR rtl-optimization/38774
11522         * combine.c (simplify_set): When undoing cc_use change, don't do
11523         PUT_CODE on the newly created comparison, but instead put back the
11524         old comparison.
11525
11526 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11527
11528         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11529         values.  Remove duplicate arm8 entry.
11530
11531 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11532
11533         PR tree-optimization/38786
11534         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11535         the SSA_NAME case of expand_scalar_variables_expr.
11536         Set the type of an expression to the type of its assign statement.
11537         (expand_scalar_variables_expr): Also gather the scalar computation
11538         used to index the memory access.  Do not pass loop_p.
11539         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11540         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11541         the gimple_stmt_iterator where it inserts new code.
11542         Do not pass loop_p.
11543         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11544         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11545
11546 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11547
11548         * graphite.h (debug_value): Removed.
11549         * graphite.c (debug_value): Removed.
11550
11551 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11552
11553         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11554         ldrd/strd with two 32-bit instructions.
11555
11556 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11557
11558         * config/arm/arm.c (struct processors): Pass for speed down into
11559         cost helper functions.
11560         (const_ok_for_op): Handle COMPARE and inequality nodes.
11561         (arm_rtx_costs_1): Rewrite.
11562         (arm_size_rtx_costs): Update prototype.
11563         (arm_rtx_costs): Pass speed down to helper functions.
11564         (arm_slowmul_rtx_costs): Rework cost calculations.
11565         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11566         (arm_9e_rtx_costs): Likewise.
11567
11568 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11569
11570         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11571         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11572         (alpha_legitimize_address): Do not split local symbols wider than
11573         UNITS_PER_WORD into HIGH/LO_SUM parts.
11574
11575 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11576
11577         PR bootstrap/38580
11578         * gcc.c (process_command): Replace call to execvp with calls
11579         to pex_one and exit.
11580
11581 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11582
11583         PR target/29141
11584         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11585         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11586         variant for devices with 3-byte PC.
11587         (__tablejump_elpm__): New.
11588
11589 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11590
11591         PR c/32041
11592         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11593         offsetof member-designator, handle it as `[0].'.
11594
11595 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11596
11597         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11598         function when not using named sections on targets with named sections
11599         if branch distance is less than 262132.
11600
11601 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11602
11603         * combine.c (combine_instructions):  Recompute
11604         optimize_this_for_speed_p  for each BB in the main combine loop.
11605
11606 2009-01-12  Tomas Bily  <tbily@suse.cz>
11607
11608         PR middlend/38385
11609         * tree-loop-distribution.c (prop_phis): New function.
11610         (generate_builtin): Call prop_phis.
11611         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11612
11613 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11614
11615         PR tree-optimization/38807
11616         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11617         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11618
11619 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11620
11621         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11622         subreg of op0 to the original op0.
11623
11624 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11625
11626         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11627
11628 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11629
11630         PR debug/7055
11631         * mips-tfile.c (parse_def): Fix parsing of def strings
11632         starting with digits.
11633
11634 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11635
11636         PR target/38695
11637         * config/arm/arm.c (arm_is_long_call_p): Don't call
11638         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11639
11640 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11641
11642         * regrename.c (regrename_optimize): Fix dumping.
11643         (find_oldest_value_reg): Preserve REG_POINTER.
11644         (copy_hardreg_forward_1): Likewise.
11645
11646 2009-01-09  Diego Novillo  <dnovillo@google.com>
11647
11648         * gimple.h (struct gimple_statement_base) <uid>: Document
11649         the restrictions on its use.
11650         (gimple_uid): Tidy.
11651         (gimple_set_uid): Tidy.
11652
11653 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11654
11655         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11656         zero guard even if align_bytes != 0 and count is smaller than
11657         size_needed.
11658
11659 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11660
11661         PR rtl-optimization/38495
11662         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11663         (add_range_and_copies_from_move_list): Print all added ranges.
11664         Add ranges to memory optimized destination.
11665
11666 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11667
11668         PR target/38686
11669         PR target/38708
11670         * config/i386/i386.c (override_options): Reject
11671         -mstringop-strategy=rep_8byte with -m32.
11672         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11673         to 1.  Do count comparison against epilogue_size_needed at compile
11674         time even when count_exp was constant forced into register.  For
11675         size_needed don't jump to epilogue, instead just avoid aligning
11676         and invoke the body algorithm.  If need_zero_guard, add zero guard
11677         even if count is non-zero, but smaller than size_needed + number of
11678         bytes that could be stored for alignment.
11679         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11680         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11681         but smaller than size_needed + number of bytes that could be stored
11682         for alignment.  Compare size_needed with epilogue_size_needed instead
11683         of desired_align - align, don't adjust size_needed, pass
11684         epilogue_size_needed to the epilogue expanders.
11685
11686         PR c/35742
11687         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11688
11689 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11690
11691         * pa.c (last_address): Change to unsigned.
11692         (update_total_code_bytes): Change argument to unsigned.  Don't
11693         check if insn addresses are set.
11694         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11695         addresses are not set.
11696         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11697
11698 2009-01-09  Nick Clifton  <nickc@redhat.com>
11699
11700         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11701         DECL_DECLARED_INLINE_P.
11702
11703 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11704
11705         PR middle-end/38347
11706         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11707         GET_MODE (op0) in operand_subword_force calls.
11708
11709         PR middle-end/38771
11710         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11711         fold_convert arg0 operands to TREE_TYPE (op0) first.
11712
11713 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11714
11715         * params.def (ira-max-conflict-table-size): Decrease default value
11716         to 1000.
11717
11718 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11719
11720         PR tree-optimization/37031
11721         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11722         on parameter_set.
11723         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11724         allocate it using gc instead of heap, use VEC_quick_push instead of
11725         VEC_safe_push.
11726         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11727         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11728         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11729         allocated vector from heap allocated.
11730         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11731         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11732         vector only after perfect_loop_nest_depth call.
11733
11734 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11735             Jan Sjodin  <jan.sjodin@amd.com>
11736
11737         PR tree-optimization/38559
11738         * graphite.c (debug_value, copy_constraint,
11739         swap_constraint_variables, scale_constraint_variable, ): New.
11740         (get_lower_bound, get_upper_bound): Removed.
11741         (graphite_trans_bb_strip_mine): Clean up this code that works
11742         only for constant number of iterations.  Fully copy upper and
11743         lower bound constraints, not only the constant part of them.
11744         * graphite.h (debug_value): Declared.
11745
11746 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11747
11748         PR tree-optimization/37194
11749         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11750         Don't add the cost of cost model guard in prologue to scalar
11751         outside cost in case of known number of iterations.
11752
11753 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11754             Alan Modra  <amodra@bigpond.net.au>
11755
11756         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11757         non-word-aligned REG+CONST addressing.
11758
11759 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11760
11761         PR target/38706
11762         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11763         free_after_compilation when outputting a thunk.
11764         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11765         Do not call free_after_compilation here.
11766
11767 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11768
11769         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11770         (ix86_valid_target_attribute_inner_p): Ditto.
11771
11772 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11773
11774         PR tree-optimization/38492
11775         PR tree-optimization/38498
11776         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11777         * tree-chrec.h (scev_is_linear_expression): Declared.
11778         * graphite.c (graphite_cannot_represent_loop_niter): New.
11779         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11780         (graphite_loop_normal_form): Use gcc_assert.
11781         (scan_tree_for_params): Use CASE_CONVERT.
11782         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11783         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11784         Use gcc_assert.  Discard scops that contain unhandled cases.
11785         (build_scop_conditions): Return a boolean status for unhandled cases.
11786         (strip_mine_profitable_p): Print the loop number, not its depth.
11787         (is_interchange_valid): Pass the depth of the loop nest, don't
11788         recompute it wrongly.
11789         (graphite_trans_bb_block): Same.
11790         (graphite_trans_bb_block): Print tentative of loop blocking.
11791         (graphite_trans_scop_block): Do not print that the loop has been
11792         blocked.
11793         (graphite_transform_loops): Do not handle scops that contain condition
11794         scalar phi nodes.
11795
11796 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11797
11798         AVX Programming Reference (December, 2008)
11799         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11800         (_mm256_stream_pd): Likewise.
11801         (_mm256_stream_ps): Likewise.
11802
11803         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11804         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11805         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11806         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11807         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11808         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11809         (ix86_expand_special_args_builtin): Likewise.
11810
11811         * config/i386/sse.md (AVXMODEDI): New.
11812         (avx_movnt<mode>): Likewise.
11813         (avx_movnt<mode>): Likewise.
11814         (<sse>_movnt<mode>): Remove AVX support.
11815         (sse2_movntv2di): Likewise.
11816
11817 2009-01-07  Richard Guenther  <rguenther@suse.de>
11818
11819         PR middle-end/38751
11820         * fold-const.c (extract_muldiv): Remove obsolete comment.
11821         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11822         to PLUS_EXPR canonicalization for the canonicalization.
11823
11824 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11825
11826         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11827         hosted cross-compilers generating less efficient code.
11828
11829 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11830
11831         * function.h (rtl_data): Add a dbr_scheduled_p field.
11832         * reorg.c (dbr_schedule): Set it.
11833         (gate_handle_delay_slots): Check it.
11834         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11835         (mips_reorg): Check flag_delayed_branch instead of
11836         mips_base_delayed_branch.
11837         (mips_override_options): Don't set mips_base_delayed_branch
11838         or flag_delayed_branch.
11839
11840 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11841
11842         PR rtl-optimization/38426.
11843         * ira.c (ira): Set current_function_is_leaf earlier.
11844
11845 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11846
11847         PR rtl-optimization/38722
11848         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11849         too early, only set a flag and modify after last possible
11850         undo_all point.
11851
11852 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11853
11854         PR c/34252
11855         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11856         * real.c (decimal_single_format): Correct values of emin and emax.
11857         (decimal_double_format): Ditto.
11858         (decimal_quad_format): Ditto.
11859         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11860         computation of DECnn_MIN and DECnn_MAX for corrected values of
11861         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11862         __DECnn_MIN__, and adjust its computation for the corrected value
11863         of emin.
11864
11865 2009-01-06  Jan Hubicka  <jh@suse.cz>
11866
11867         PR target/38744
11868         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11869
11870 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11871
11872         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11873         Add Robert Clark to the list of testers.
11874
11875 2009-01-06  Jan Hubicka  <jh@suse.cz>
11876             Kai Tietz  <kai.tietz@onevision.com>
11877
11878         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11879         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11880
11881 2009-01-06  Jan Hubicka  <jh@suse.cz>
11882             Kai Tietz  <kai.tietz@onevision.com>
11883
11884         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11885         for w64 ABI.
11886         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11887         (ix86_nsaved_regs): Count only general purpose regs.
11888         (ix86_nsaved_sseregs): New.
11889         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11890         to 16 for w64; compute padding and size of sse reg save area.
11891         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11892         general purpose regs.
11893         (ix86_emit_save_sse_regs_using_mov): New.
11894         (ix86_expand_prologue): Save SSE regs if needed.
11895         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11896         (ix86_emit_restore_sse_regs_using_mov): New.
11897         (ix86_expand_epilogue): Save SSE regs if needed.
11898
11899 2009-01-06  Jan Hubicka  <jh@suse.cz>
11900             Kai Tietz  <kai.tietz@onevision.com>
11901
11902         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11903         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11904         functions when accumulate outgoing args is off.
11905
11906 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11907
11908         PR bootstrap/38742
11909         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11910         before using pseudos_have_intersected_live_ranges_p.
11911
11912         * ira-int.h (ira_assert): Always define.
11913
11914 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11915
11916         AVX Programming Reference (December, 2008)
11917         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11918         (_mm256_permute2_pd): Likewise.
11919         (_mm_permute2_ps): Likewise.
11920         (_mm256_permute2_ps): Likewise.
11921         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11922         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11923
11924         * config/i386/i386.c (ix86_builtins): Remove
11925         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11926         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11927         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11928         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11929         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11930         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11931         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11932         __builtin_ia32_vpermil2ps256.
11933         (ix86_init_mmx_sse_builtins): Updated.
11934         (ix86_expand_args_builtin): Likewise.
11935
11936 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11937
11938         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11939         long absolute calls when generating PA 2.0 code.
11940
11941 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11942
11943         PR rtl-optimization/38583
11944         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11945
11946         * params.def (ira-max-conflict-table-size): New.
11947
11948         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11949
11950         * ira.h (ira_conflicts_p): New external definition.
11951
11952         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11953         table.  Report this.  Return result of building.
11954         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11955         building conflict table.
11956
11957         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11958         (ira_color): Use ira_conflicts_p.
11959
11960         * global.c: Include ira.h.
11961         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11962         ira_conflicts_p.
11963
11964         * Makefile.in (global.o): Add ira.h.
11965
11966         * ira-build.c (mark_all_loops_for_removal,
11967         propagate_some_info_from_allocno): New.
11968         (remove_unnecessary_allocnos): Call
11969         propagate_some_info_from_allocno.
11970         (remove_low_level_allocnos): New.
11971         (remove_unnecessary_regions): Add parameter.  Call
11972         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11973         parameter to remove_unnecessary_regions.
11974         (ira_build): Remove all regions but root if the conflict table was
11975         not built.  Update conflict hard regs for allocnos crossing calls.
11976
11977         * ira.c (ira_conflicts_p): New global.
11978         (ira): Define and use ira_conflicts_p.
11979
11980         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11981         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11982         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11983
11984 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11985
11986         * gengtype-lex.l (YY_NO_INPUT): Define.
11987
11988 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11989
11990         PR c/34911
11991         * c-common.c (handle_vector_size_attribute): Also reject
11992         BOOLEAN_TYPE types.
11993
11994 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
11995
11996         PR tree-optimization/38492
11997         * graphite.c (rename_map_elt, debug_rename_elt,
11998         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
11999         rename_map_elt_info, eq_rename_map_elts,
12000         get_new_name_from_old_name, bb_in_sese_p): Moved around.
12001         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
12002         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
12003         (sese_build_livein_liveouts): New.
12004         (new_sese, free_sese): New.
12005         (new_scop): Call new_sese.
12006         (free_scop): Call free_sese.
12007         (rename_variables_from_edge, rename_phis_end_scop): Removed.
12008         (register_old_new_names): Renamed register_old_and_new_names.
12009         (register_scop_liveout_renames, add_loop_exit_phis,
12010         insert_loop_close_phis, struct igp,
12011         default_liveout_before_guard, add_guard_exit_phis,
12012         insert_guard_phis, copy_renames): New.
12013         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
12014         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
12015         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
12016         (scop_adjust_phis_for_liveouts): New.
12017         (gloog): Call scop_adjust_phis_for_liveouts.
12018
12019         * graphite.h (struct sese): Documented.  Added fields liveout,
12020         num_ver and livein.
12021         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
12022         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
12023         (struct scop): Added field liveout_renames.
12024         (SCOP_LIVEOUT_RENAMES): New.
12025
12026 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12027
12028         PR tree-optimization/38510
12029         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
12030         (translate_clast): Call recompute_all_dominators before
12031         graphite_verify.
12032         (gloog): Call recompute_all_dominators before graphite_verify.
12033
12034 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12035             Jan Sjodin  <jan.sjodin@amd.com>
12036
12037         PR tree-optimization/38500
12038         * graphite.c (create_sese_edges): Call fix_loop_structure after
12039         splitting blocks.
12040
12041 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
12042
12043         * config.gcc: Add m32r*-*-rtems*.
12044         * config/m32r/rtems.h: New file.
12045
12046 2009-01-05  Ben Elliston  <bje@au.ibm.com>
12047
12048         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
12049         (.po.pox): Likewise.
12050         (po/gcc.pot): Likewise.
12051
12052 2009-01-04  David S. Miller  <davem@davemloft.net>
12053
12054         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
12055         (STARTING_FRAME_OFFSET): Always set to zero.
12056
12057 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12058
12059         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
12060         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
12061         fixed-point types, and vectors of the same.
12062
12063 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12064
12065         * config/mips/sync.md (*mb_barrier): Rename to...
12066         (*memory_barrier): ...this.
12067
12068 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
12069
12070         * doc/extend.texi (Function Attributes): Move @cindex after @item
12071         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
12072         and put in alphabetical order. Fix 'target' name and put in order.
12073         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
12074         typos.
12075
12076 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
12077
12078         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
12079         (memory_barrier): Expand as unspec instead of unspec_volatile.
12080         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12081         (*memory_barrier): Define as unspec instead of unspec_volatile.
12082         Use (match_dup 0) as input operand.
12083
12084         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
12085         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
12086         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
12087         scratch register.  Remove operand 1.
12088         (*stbar): Define as unspec instead of unspec_volatile.
12089         Use (match_dup 0) as input operand, remove (const_int 8).
12090         (*membar): Define as unspec instead of unspec_volatile.
12091         Use (match_dup 0) as input operand, remove input operand 2.
12092
12093         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
12094         (memory_barrier): Expand as unspec instead of unspec_volatile.
12095         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12096         (*memory_barrier): Define as unspec instead of unspec_volatile.
12097         Use (match_dup 0) as input operand.
12098
12099         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
12100         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12101         Set volatile flag on operand 0.
12102         (*memory_barrier): New insn pattern.
12103
12104         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
12105         insn operands.
12106         (*memory_barrier): Use (match_dup 0) as input operand.
12107
12108         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
12109         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12110         Set volatile flag on operand 0.
12111         (*mb_internal): New insn pattern.
12112
12113         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
12114
12115 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12116
12117         PR middle-end/38586
12118         * function.c (struct temp_slot): Move to the section of the file
12119         that deals with temp slots.  Remove field 'address'.
12120         (temp_slot_address_table): New hash table of address -> temp slot.
12121         (struct temp_slot_address_entry): New struct, items for the table.
12122         (temp_slot_address_compute_hash, temp_slot_address_hash,
12123         temp_slot_address_eq, insert_temp_slot_address): Support functions
12124         for the new table.
12125         (find_temp_slot_from_address): Rewrite to use the new hash table.
12126         (remove_unused_temp_slot_addresses): Remove addresses of temp
12127         slots that have been made available.
12128         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
12129         worker function for remove_unused_temp_slot_addresses.
12130         (assign_stack_temp_for_type): Don't clear the temp slot address list.
12131         Add the temp slot address to the address -> temp slot map.
12132         (update_temp_slot_address): Update via insert_temp_slot_address.
12133         (free_temp_slots): Call remove_unused_temp_slot_addresses.
12134         (pop_temp_slots): Likewise.
12135         (init_temp_slots): Allocate the address -> temp slot map, or empty
12136         the map if it is already allocated.
12137         (prepare_function_start): Initialize temp slot processing.
12138
12139 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12140
12141         PR middle-end/38584
12142         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
12143         Calculate the size of all stack vars assuming no packing of stack
12144         vars will happen, replacing a quadratic algorithm with a linear one.
12145
12146 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12147
12148         PR target/38707
12149         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
12150         can't be used.
12151
12152 2009-01-03  Diego Novillo  <dnovillo@google.com>
12153
12154         * doc/contrib.texi: Update contributions.
12155
12156 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12157
12158         PR c++/38705
12159         * builtins.c (fold_builtin_memory_op): Give up if either operand
12160         is volatile.  Set srctype or desttype to non-qualified version
12161         of the other type.
12162
12163         PR c/38700
12164         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
12165         and FUNCTION_DECLs.
12166
12167 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
12168
12169         PR rtl-optimization/35805
12170         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
12171         problem if fast dce is able to remove any instructions.
12172         * dce.c (dce_process_block): Fix dump message.
12173
12174 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
12175
12176         PR 33649
12177         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
12178
12179 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
12180
12181         PR middle-end/38690
12182         * tree-flow.h (op_code_prio, op_prio): New prototypes.
12183         * tree-pretty-print.c (op_code_prio): New function.
12184         (op_prio): No longer static.  Use op_code_prio.
12185         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
12186         Use op_prio and op_code_prio to determine if () should be
12187         printed around operand(s) or not.
12188
12189         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
12190         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
12191         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
12192         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
12193         pp_character instead of pp_string for single letter printing.
12194
12195 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12196
12197         * doc/extend.texi: Fix '#pragma GCC option' typo.
12198
12199 2009-01-02  Richard Guenther  <rguenther@suse.de>
12200
12201         * doc/install.texi (--enable-checking): Mention different
12202         default for stage1.
12203         (--enable-stage1-checking): Document.
12204
12205 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
12206
12207         PR middle-end/30142
12208         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
12209         case to be an error.
12210
12211 2009-01-02  Ben Elliston  <bje@au.ibm.com>
12212
12213         * config/fp-bit.h (pack_d): Constify argument.
12214         * config/fp-bit.c (makenan): Constify return type. Remove casts.
12215         (isnan): Constify argument.
12216         (isinf): Likewise.
12217         (iszero): Likewise.
12218         (pack_d): Likewise.
12219         (_fpadd_parts): Constify return type.
12220         (_fpmul_parts): Likewise.
12221         (_fpdiv_parts): Likewise.
12222
12223 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
12224
12225         PR c/36489
12226         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
12227         warn about overwriting initializer with side-effects or
12228         -Woverride-init if !IMPLICIT.
12229         (output_init_element): Likewise.  Pass IMPLICIT down to
12230         add_pending_init.
12231         (process_init_element): Add IMPLICIT argument.  Pass it down
12232         to output_init_element.
12233         (push_init_element, pop_init_level, set_designator): Adjust
12234         process_init_element callers.
12235         (set_nonincremental_init, set_nonincremental_init_from_string):
12236         Adjust add_pending_init callers.
12237         (output_pending_init_elements): Adjust output_init_element callers.
12238         * c-tree.h (process_init_element): Adjust prototype.
12239         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
12240         process_init_element callers.
12241
12242 \f
12243 Copyright (C) 2009 Free Software Foundation, Inc.
12244
12245 Copying and distribution of this file, with or without modification,
12246 are permitted in any medium without royalty provided the copyright
12247 notice and this notice are preserved.