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PR target/40153
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1 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
2
3         PR target/40153
4         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
5         implies.
6
7 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
8
9         * arm.md (movdi2): Copy non-reg values to DImode registers.
10
11 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
12
13         PR target/39942
14         * final.c (label_to_max_skip): New function.
15         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
16         CODE_LABEL_NUMBER <= max_labelno.
17         * output.h (label_to_max_skip): New prototype.
18         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
19         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
20         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
21         Handle CODE_LABELs with >= 16 byte alignment or with
22         max_skip == (1 << align) - 1.
23         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
24         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
25
26         PR target/39942
27         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
28         .p2align 3 if MAX_SKIP is smaller than 7.
29         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
30
31 2009-05-15  Ian Lance Taylor  <iant@google.com>
32
33         * alias.c (struct alias_set_entry_d): Rename from struct
34         alias_set_entry.  Change all uses.
35         * except.c (struct call_site_record_d): Rename from struct
36         call_site_record.  Change all uses.
37         * except.h (struct eh_region_d): Rename from struct eh_region.
38         Change all uses.
39         * gcse.c (struct hash_table_d): Rename from struct hash_table.
40         Change all uses.
41         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
42         ivtype_map_elt.  Change all uses.
43         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
44         Change all uses.
45         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
46         * graphite.h (struct name_tree_d): Rename from struct name_tree.
47         Change all uses.
48         (struct sese_d): Rename from struct sese.  Change all uses.
49         * omega.h (struct eqn_d): Rename from struct eqn.  Change all
50         uses.
51         (struct omega_pb_d): Rename from struct omega_pb.  Change all
52         uses.
53         * optabs.h (struct optab_d): Rename from struct optab.  Change all
54         uses.
55         (struct convert_optab_d): Rename from struct convert_optab.
56         Change all uses.
57         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
58         ipa_opt_pass.  Change all uses.
59         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
60         all uses.
61
62         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
63         defined as a typedef.
64         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
65         defined as a tag.
66
67 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
68
69         PR 16302
70         * fold-const.c (make_range,build_range_check,merge_ranges): Move
71         declaration to...
72         (merge_ranges): Returns bool. 
73         * tree.h (make_range): .. to here.
74         (build_range_check): Likewise.
75         (merge_ranges): Likewise. Renamed from merge_ranges.
76         * c-typeck.c (parser_build_binary_op): Update calls to
77         warn_logical_operator.
78         * c-common.c (warn_logical_operator): Add new warning.
79         * c-common.h (warn_logical_operator): Update declaration.
80         
81 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
82
83         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong
84         conditional.
85         
86 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
87
88         * doc/install.texi: Document MPC requirements, flags etc.
89
90         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
91         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
92         Evaluate constant arguments.
93         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
94         (fold_builtin_1): Likewise, also evaluate constant arguments.
95         Remove superfluous break.
96         (do_mpc_ckconv): New.
97         * real.h: Include mpc.h.
98         * toplev.c (print_version): Output MPC version info if available.
99
100 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
101
102         * fold-const.c (fold_convert_const_real_from_real): Check for
103         overflow.
104
105 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
106
107         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
108         only once.
109
110 2009-05-15  Jan Hubicka  <jh@suse.cz>
111
112         * doc/invoke.texi (max-early-inliner-iterations): New flag.
113         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
114         (try_inline): Fix return value.
115         (cgraph_decide_inlining_incrementally): Honor new value.
116         (cgraph_early_inlining): Handle indirect inlining.
117         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
118
119 2009-05-15  Jan Hubicka  <jh@suse.cz>
120
121         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
122         * cgraphunit.c (cgraph_finalize_function): Set it.
123         (cgraph_expand_function): Use it.
124
125 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
126
127         * real.c (encode_ieee_half): Define.
128         (decode_ieee_half): Define.
129         (ieee_half_format): Define.
130         (arm_half_format): Define.
131         * real.h (ieee_half_format): Declare.
132         (arm_half_format): Declare.
133
134 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
135
136         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
137         swapped, and reversed optabs exist before trying to use them.
138
139 2009-05-15  Paul Brook  <paul@codesourcery.com>
140             Sandra Loosemore  <sandra@codesourcery.com>
141
142         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
143         loads.  Allow PRE_DEC.
144         (output_move_neon): Handle PRE_DEC.
145         (arm_print_operand): Add 'A' for neon structure loads.
146         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
147         * config/arm/neon.md (neon_mov): Update comment.
148         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
149         calls.
150         (Um): New constraint.
151
152 2009-05-15  Jan Hubicka  <jh@suse.cz>
153
154         Revert the following patch until testsuite fallout is fixed:
155         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
156         * cgraph.h (struct inline_summary): New filed self_wize,
157         size_inlining_benefit, self_time and time_inlining_benefit.
158         (struct cgraph_global_info): Replace insns by time ans size fields.
159         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
160         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
161         (ipcp_update_callgraph): Do not touch function bodies.
162         * ipa-inline.c: Include except.h
163         MAX_TIME: New constant.
164         (overall_insns): Remove
165         (overall_size, max_benefit): New static variables.
166         (cgraph_estimate_time_after_inlining): New function.
167         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
168         (cgraph_clone_inlined_nodes): Update size.
169         (cgraph_mark_inline_edge): Update size.
170         (cgraph_estimate_growth): Use size info.
171         (cgraph_check_inline_limits): Check size.
172         (cgraph_default_inline_p): Likewise.
173         (cgraph_edge_badness): Compute badness based on benefit and size cost.
174         (cgraph_decide_recursive_inlining): Check size.
175         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
176         (cgraph_decide_inlining): Likewise.
177         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
178         (likely_eliminated_by_inlining_p): New predicate.
179         (estimate_function_body_sizes): New function.
180         (compute_inline_parameters): Use it.
181         * except.c (must_not_throw_labels): New function.
182         * except.h (must_not_throw_labels): Declare.
183         * tree-inline.c (init_inline_once): Kill inlining_weigths
184         * tree-ssa-structalias.c: Avoid uninitialized warning.
185         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
186         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
187         (PARAM_INLINE_CALL_COST): Remove.
188         (PARAM_EARLY_INLINING_INSNS): New.
189
190 2009-05-15  Richard Guenther  <rguenther@suse.de>
191
192         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
193         not TODO_update_ssa.
194
195 2009-05-15  Richard Guenther  <rguenther@suse.de>
196
197         PR tree-optimization/39999
198         * gimple.h (gimple_expr_type): Use the expression type looking
199         through useless conversions.
200         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
201         (vn_nary_op_insert_stmt): Likewise.
202         (simplify_binary_expression): Likewise.
203
204 2009-05-15  Richard Guenther  <rguenther@suse.de>
205
206         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
207         New options, enabled by default.
208         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
209         Document.
210         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
211         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
212         * tree-ssa-structalias.c (gate_tree_pta): New function.
213         (pass_build_alias): Use it.
214
215 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
216
217         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
218         recurse on an invariant address if a conversion from a pointer
219         type to a wider integer type is involved.
220
221 2009-05-15  Jan Hubicka  <jh@suse.cz>
222
223         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
224         * cgraph.h (struct inline_summary): New filed self_wize,
225         size_inlining_benefit, self_time and time_inlining_benefit.
226         (struct cgraph_global_info): Replace insns by time ans size fields.
227         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
228         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
229         (ipcp_update_callgraph): Do not touch function bodies.
230         * ipa-inline.c: Include except.h
231         MAX_TIME: New constant.
232         (overall_insns): Remove
233         (overall_size, max_benefit): New static variables.
234         (cgraph_estimate_time_after_inlining): New function.
235         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
236         (cgraph_clone_inlined_nodes): Update size.
237         (cgraph_mark_inline_edge): Update size.
238         (cgraph_estimate_growth): Use size info.
239         (cgraph_check_inline_limits): Check size.
240         (cgraph_default_inline_p): Likewise.
241         (cgraph_edge_badness): Compute badness based on benefit and size cost.
242         (cgraph_decide_recursive_inlining): Check size.
243         (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
244         (cgraph_decide_inlining): Likewise.
245         (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
246         (likely_eliminated_by_inlining_p): New predicate.
247         (estimate_function_body_sizes): New function.
248         (compute_inline_parameters): Use it.
249         * except.c (must_not_throw_labels): New function.
250         * except.h (must_not_throw_labels): Declare.
251         * tree-inline.c (init_inline_once): Kill inlining_weigths
252         * tree-ssa-structalias.c: Avoid uninitialized warning.
253         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
254         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
255         (PARAM_INLINE_CALL_COST): Remove.
256         (PARAM_EARLY_INLINING_INSNS): New.
257         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
258         (inline-call-cost): Remove.
259         (early-inlining-insns): New.
260
261 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
262
263         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
264         for bounds.
265         (print_int_cst_bounds_in_octal_p): Likewise.
266         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
267         with subtypes.
268         * dwarf2out.c (base_type_die): Likewise.
269         (is_subrange_type): Delete.
270         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
271         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
272         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
273         the destination type is boolean.
274         (build_range_check): Do not special-case subtypes.
275         (fold_sign_changed_comparison): Likewise.
276         (fold_unary): Likewise.
277         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
278         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
279         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
280         * tree.c (subrange_type_for_debug_p): New predicate based on the former
281         is_subrange_type.
282         * tree.h (subrange_type_for_debug_p): Declare.
283         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
284         (convert_affine_scev): Remove call to above function.
285         (chrec_convert_aggressive): Likewise.
286         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
287         false for conversions involving subtypes.
288         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
289         (vrp_val_min): Likewise.
290         (needs_overflow_infinity): Likewise.
291         (extract_range_from_unary_expr): Likewise.
292
293 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
294
295         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
296         * config/frv/frv.c: Likewise.
297         * config/s390/s390.c: Likewise.
298         * config/sparc/sparc.h: Likewise.
299         * config/i386/i386.h: Likewise.
300         * config/i386/i386.c: Likewise.
301         * config/crx/crx.c: Likewise.
302         * config/m68hc11/m68hc11.h: Likewise.
303         * config/iq2000/iq2000.c: Likewise.
304         * config/mn10300/mn10300.h: Likewise.
305         * config/mn10300/mn10300.c: Likewise.
306         * config/m68k/m68k.c: Likewise.
307         * config/rs6000/rs6000.c: Likewise.
308         * config/rs6000/xcoff.h: Likewise.
309         * config/rs6000/linux64.h: Likewise.
310         * config/rs6000/sysv4.h: Likewise.
311         * config/score/score3.c: Likewise.
312         * config/score/score7.c: Likewise.
313         * config/score/score.c: Likewise.
314         * config/arm/arm.md: Likewise.
315         * config/mips/mips.c: Likewise.
316         * config/mips/mips.md: Likewise.
317         * config/bfin/bfin.h: Likewise.
318         * config/pa/pa.c: Likewise.
319         * config/pa/constraints.md: Likewise.
320
321         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
322         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
323         * config/pdp11/pdp11.h: Use memory_address_p instead.
324
325 2009-05-14  Ian Lance Taylor  <iant@google.com>
326
327         * passes.c (finish_optimization_passes): Change i to int.
328         * plugin.c (plugins_active_p): Change event to int.
329         (dump_active_plugins): Likewise.
330         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
331         Add cast.
332         * tree.c (tree_range_check_failed): Change c to unsigned int.
333         (omp_clause_range_check_failed): Likewise.
334         (build_common_builtin_nodes): Change mode to int.  Add cast.
335         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
336         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
337
338         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
339         ++ or -- with a variable of enum type.
340
341 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
342
343         PR driver/40144
344         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
345
346 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
347
348         * store-motion.c: Do not include params.h
349         * Makefile.in: Fix dependencies for various files.
350
351 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
352
353         * auto-inc-dec.c: Fix pass description, remove apparent
354         accidental duplication.
355
356 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
357
358         PR middle-end/40147
359         * ipa-utils.h (memory_identifier_string): Moved to ...
360         * tree.h (memory_identifier_string): Here.  Add GTY(()).
361
362 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
363
364         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
365         in the former documentation of...
366         (GO_IF_LEGITIMATE_ADDRESS): ... this.
367         * ira-conflicts.c (get_dup_num): Use address_operand.
368         * targhooks.c (default_legitimate_address_p): New.
369         * targhooks.h (default_legitimate_address_p): New.
370         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
371         Call hook.
372         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
373         * target.h (struct target): Add legitimate_address_p.
374         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
375         (TARGET_INITIALIZER): Include it.
376
377         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
378         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
379         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
380         (TARGET_LEGITIMATE_ADDRESS_P): New.
381
382         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
383         (REG_OK_STRICT_P): Delete.
384         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
385         (frv_legitimate_address_p_1): ... this.
386         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
387         (frv_legitimate_address_p_1): ... the renamed old
388         frv_legitimate_address_p.
389         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
390         (TARGET_LEGITIMATE_ADDRESS_P): New.
391
392         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
393         * config/s390/s390-protos.h (legitimate_address_p): Remove.
394         * config/s390/s390.c (legitimate_address_p): Rename to...
395         (s390_legitimate_address_p): ... this, make static.
396         (legitimize_address): Adjust call.
397         (TARGET_LEGITIMATE_ADDRESS_P): New.
398         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
399
400         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
401         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
402         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
403         (TARGET_LEGITIMATE_ADDRESS_P): New.
404
405         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
406         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
407         * config/spu/spu.c (spu_legitimate_address): Rename to...
408         (spu_legitimate_address_p): ... this, make static.
409         (TARGET_LEGITIMATE_ADDRESS_P): New.
410
411         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
412         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
413         * config/sparc/sparc.c (legitimate_address_p): Rename to...
414         (sparc_legitimate_address_p): ... this, make static and return bool.
415         (legitimize_address): Adjust call.
416         (TARGET_LEGITIMATE_ADDRESS_P): New.
417
418         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
419         * config/i386/i386-protos.h (legitimate_address_p): Remove.
420         * config/i386/i386.c (legitimate_address_p): Rename to...
421         (ix86_legitimate_address_p): ... this, make static.
422         (constant_address_p): Move after it, adjust call.
423         (TARGET_LEGITIMATE_ADDRESS_P): New.
424
425         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
426         * config/avr/avr-protos.h (legitimate_address_p): Remove.
427         * config/avr/avr.c (legitimate_address_p): Rename to...
428         (avr_legitimate_address_p): ... this, make static.
429         (legitimize_address): Adjust call.
430         (TARGET_LEGITIMATE_ADDRESS_P): New.
431
432         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
433         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
434         * config/crx/crx.c (crx_legitimate_address_p): Make static.
435         (TARGET_LEGITIMATE_ADDRESS_P): New.
436
437         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
438         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
439         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
440         (TARGET_LEGITIMATE_ADDRESS_P): New.
441
442         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
443         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
444         Remove.
445         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
446         Make static.
447         (TARGET_LEGITIMATE_ADDRESS_P): New.
448
449         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
450         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
451         Remove.
452         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
453         Rename to...
454         (m68hc11_legitimate_address_p): ... this, make static.
455         (go_if_legitimate_address_internal): Rename to...
456         (m68hc11_legitimate_address_p_1): ... this.
457         (legitimize_address): Adjust call.
458         (TARGET_LEGITIMATE_ADDRESS_P): New.
459
460         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
461         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
462         Remove.
463         * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
464         Make static.
465         (TARGET_LEGITIMATE_ADDRESS_P): New.
466
467         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
468         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
469         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
470         (mn10300_legitimate_address_p): ... this, make static.
471         (TARGET_LEGITIMATE_ADDRESS_P): New.
472
473         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
474         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
475         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
476         (TARGET_LEGITIMATE_ADDRESS_P): New.
477
478         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
479         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
480         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
481         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
482         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
483         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
484         (rs6000_legitimate_address_p): ... this, make static.
485         (TARGET_LEGITIMATE_ADDRESS_P): New.
486         (REG_MODE_OK_FOR_BASE_P): Delete.
487         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
488
489         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
490         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
491         Delete.
492         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
493         static, adjust types.
494         (TARGET_LEGITIMATE_ADDRESS_P): New.
495
496         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
497         * config/score/score.c (score_address_p): Rename to...
498         (score_legitimate_address_p): ... this.
499         (TARGET_LEGITIMATE_ADDRESS_P): New.
500         * config/score/score3.c (score3_address_p): Rename to...
501         (score3_legitimate_address_p): ... this.
502         * config/score/score7.c (score7_address_p): Rename to...
503         (score7_legitimate_address_p): ... this.
504
505         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
506         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
507         GO_IF_LEGITIMATE_ADDRESS): Delete.
508         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
509         thumb2_legitimate_address_p): Delete.
510         (arm_legitimate_address_p): Rename to...
511         (arm_legitimate_address_outer_p): ... this.
512         * config/arm/constraints.md ("Uq"): Adjust call.
513         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
514         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
515         (arm_legitimate_address_outer_p): ... this.
516         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
517         (TARGET_LEGITIMATE_ADDRESS_P): New.
518
519         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
520         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
521         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
522         (TARGET_LEGITIMATE_ADDRESS_P): New.
523
524         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
525         * config/vax/vax-protos.h (legitimate_address_p): Remove.
526         * config/vax/vax.c (legitimate_address_p): Rename to...
527         (vax_legitimate_address_p): ... this, make static.
528         (TARGET_LEGITIMATE_ADDRESS_P): New.
529
530         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
531         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
532         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
533         (TARGET_LEGITIMATE_ADDRESS_P): New.
534
535         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
536         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
537         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
538         (mmix_legitimate_address_p): ... this, make static.
539         (TARGET_LEGITIMATE_ADDRESS_P): New.
540
541         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
542         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
543         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
544         (TARGET_LEGITIMATE_ADDRESS_P): New.
545
546 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
547
548         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
549         of MODE_COMPLEX_INT.
550
551 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
552
553         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
554         LCT_NORMAL in function call.
555         * mips-tdump.c (print_file_desc): Add cast to enum type.
556         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
557         (mark_stabs): Add casts to enum types.
558         (parse_stabs_common): Add casts to enum types.
559
560 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
561
562         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
563         Check for invalid values of LETTER.
564
565 2009-05-13  Taras Glek  <tglek@mozilla.com>
566
567         * attribs.c (register_attribute): moved out attribute registration into
568         register_attribute.
569         * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
570         * gcc-plugin.h: Added forward decl for register_attribute.
571         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
572         * plugin.c (register_callback, invoke_plugin_callbacks): Added
573         PLUGIN_ATTRIBUTES boilerplate.
574
575 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
576
577         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
578         values even in sentinel and empty entries.
579         (ms_printf_flag_specs):  Likewise.
580         (ms_scanf_flag_specs):  Likewise.
581         (ms_strftime_flag_specs):  Likewise.
582         (ms_print_char_table):  Likewise.
583         (ms_scan_char_table):  Likewise.
584         (ms_time_char_table):  Likewise.
585
586 2009-05-13  Doug Kwan  <dougkwan@google.com>
587
588         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
589
590 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
591
592         * config/mips/mips.md (store): Add attributes for QI and HI.
593         Update comment.
594         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
595         (truncdi<mode>2): ... this new pattern.
596
597 2009-05-13  Brad Hards  <bradh@kde.org>
598
599         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
600
601 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
602             Ben Elliston <bje@au.ibm.com>
603
604         PR middle-end/40035
605         * dse.c (check_mem_read_rtx): Guard against width == -1.
606
607 2009-05-13  Michael Matz  <matz@suse.de>
608
609         PR middle-end/39976
610         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
611         (trivially_conflicts_p): New function.
612         (insert_backedge_copies): Use it.
613
614 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
615
616         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
617         (handle_stdc_pragma): Use new enum constant names.
618         (handle_pragma_float_const_decimal64): Ditto.
619
620 2009-05-13  Ian Lance Taylor  <iant@google.com>
621
622         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
623         tree.def.
624
625 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
626
627         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
628         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
629         multilibs.
630         * config/m68k/m68k.h (FL_UCLINUX): Define.
631
632 2009-05-13  Jan Hubicka  <jh@suse.cz>
633
634         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
635
636 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
637
638         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
639         unless -fschedule-insns is specified.
640
641 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
642
643         PR target/39561
644         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
645         TARGET_EXPAND_CBRANCHDI4.
646         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
647         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
648         (cmpeqdi): Fix comment.
649
650 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
651
652         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
653         (sh_legitimate_address_p): Likewise.
654         * config/sh/sh.c (sh_legitimate_index_p): New.
655         (sh_legitimate_address_p): Likewise.
656         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
657         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
658         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
659         (MAYBE_BASE_REGISTER_RTX_P): New macro.
660         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
661         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
662         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
663         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
664         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
665
666 2009-05-12  Jan Hubicka  <jh@suse.cz>
667
668         * tree-inline.c (estimate_operator_cost): Add operands;
669         when division happens by constant, it is cheap.
670         (estimate_num_insns): Loads and stores are not having cost of 0;
671         EH magic stuff is cheap; when computing runtime cost of switch,
672         use log2 base of amount of its cases; builtin_expect has cost of 0;
673         compute cost for moving return value of call.
674         (init_inline_once): Initialize time_based flags.
675         * tree-inline.h (eni_weights_d): Add time_based flag.
676
677 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
678
679         * df-core.c: Update head documentation.
680
681 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
682
683         PR bootstrap/40118
684         * rs6000.c (rs6000_generate_compare): Use op1b instead of
685         shadowing exisiting variable op1.
686
687 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
688
689         PR target/37179
690         * config/i386/driver-i386.c (processor_signatures): New enum.
691         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
692         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
693         processor signature to detect geode processor.
694
695 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
696
697         Revert:
698
699         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
700
701         * optabs.c (prepare_cmp_insn): Temporarily disable test that
702         causes spurious differences between trunk and cond-optab branch.
703
704 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
705
706         * dojump.c (compare_from_rtx): Delete.
707         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
708         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
709         if the comparison does not satisfy the predicate; test predicates for
710         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
711         further if one existing pattern fails.
712         * expr.h (compare_from_rtx): Delete.
713         (prepare_operand): Declare it.
714         * optabs.c: Change "lib call" to "libcall" throughout.
715         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
716         HAVE_conditional_trap, emit_cmp_insn): Delete.
717         (can_compare_p): Delete cmp_optab case.
718         (prepare_float_lib_cmp): Return an rtx and a machine mode.
719         Accept other parameters by value.
720         (prepare_operand): Make non-static.
721         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
722         other parameters by value.  Try to widen operands here based on
723         an optab_methods argument and looking at cbranch_optab.
724         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
725         loop.  Use cbranch_optab directly.
726         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
727         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
728         assertion.
729         (emit_conditional_move, emit_conditional_add): Inline what's needed
730         of compare_from_rtx, using new prepare_cmp_insn for the rest.
731         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
732         with COMPARE.  Move cmov_optab and cstore_optab above
733         with cbranch_optab, move cmp_optab down with ucmp_optab,
734         remove tst_otpab.  Do not initialize trap_rtx.
735         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
736         for trap code.  Do not check HAVE_conditional_trap.  Use
737         prepare_cmp_insn.  Accept no predicate for operand 3.
738         * optabs.h (OTI_cmp): Mark as used only for libcalls.
739         (OTI_ctrap, ctrap_optab): New.
740         (tst_optab): Delete.
741         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
742         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
743         with lookup of ctrap_optab.
744         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
745         setcc_gen_code): Delete.
746         (ctrap_optab): New.
747
748         * combine.c (combine_simplify_rtx, simplify_set): Do not
749         special case comparing against zero for cc0 machines.
750         * simplify-rtx.c (simplify_binary_operation_1): Never remove
751         COMPARE on cc0 machines.
752         (simplify_relational_operation): Return a new expression when
753         a COMPARE could be removed.
754         * final.c (final_scan_insn): Compare cc_status values
755         against LHS of a (compare FOO (const_int 0)) cc0 source.
756         Also check if cc_status.value is the full compare.
757
758         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
759         (cstoreMM4): Document.
760         (conditional_trap): Document ctrapMM4 instead.
761         (sync_compare_and_swapMM): Refer to cbranchcc4.
762         (Dependent Patterns): Eliminate obsolete information referring to
763         the old jump optimization phase.
764         (Canonicalization): Include cbranchcc4 case, omit canonicalization
765         of compares with 0 on cc0 machines.
766         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
767         avoiding references to cc0.  Remove text about storing operands
768         in cmpMM.
769         * doc/tm.texi (Condition Codes): Include blurb on different
770         condition code representations, separate into subsections for
771         CC0, MODE_CC and conditional execution.
772
773         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
774         alpha_emit_setcc): Accept operands and a machine mode.
775         * config/alpha/alpha.c (alpha_emit_conditional_branch):
776         Get code/op0/op1 from operands, use machine mode argument
777         instead of alpha_compare.fp_p.  Emit the branch here.
778         (alpha_emit_setcc): Likewise, and return boolean.
779         (alpha_emit_conditional_move): Likewise.  Assert that
780         cmp_op_mode == cmp_mode, and simplify accordingly.
781         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
782         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
783         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
784         Delete.
785         (stack probe test): Use cbranchdi4.
786         * config/alpha/predicates.md (alpha_cbranch_operator): New.
787
788         * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
789         * config/arc/arc.h (movsicc, movsfcc): Use it.
790         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
791         (cbranchsi4, cstoresi4): New.
792         (cmpsi, bCC and sCC expanders): Remove. 
793
794         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
795         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
796         * config/arm/predicates.md (arm_comparison_operator): Only include
797         floating-point operators if there is a hardware floating-point unit.
798         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
799         deferring to cbranch_cc and cstore_cc respectively.
800         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
801         cbranch_cc, cstore_cc): New.
802         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
803         arm_compare_op1.
804         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
805
806         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
807         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
808         as an argument.
809         (adjust_insn_length): Adjust calls.
810         (avr_reorg): Handle (compare (foo) (const_int 0)).
811         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
812         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
813         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
814         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
815         (bCC): Remove.
816         (cbranchqi4, cbranchhi4, cbranchsi4): New.
817         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
818
819         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
820         (cbranchsi4, cstorebi4, cstoresi4): New.
821         (movbisi): This insn is duplicate, split it to zero_extend.
822         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
823         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
824         (bfin_optimize_loop): Use cbranch expander.
825         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
826         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
827         (bfin_bimode_comparison_operator): ... this.
828         (bfin_direct_comparison_operator): New.
829  
830         * config/cris/cris.c (cris_normal_notice_update_cc): Look
831         inside (compare FOO (const_int 0)).
832         (cris_rtx_costs): Handle ZERO_EXTRACT.
833         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
834         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
835         (*tstdi_v32): Delete.
836         (*cmpdi_non_v32): Add M alternative for operand 1.
837         (cmpsi, cmp<mode>): Make private.
838         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
839         with COMPARE.
840         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
841
842         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
843         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
844         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
845         (cc_reg_operand): New.
846         (any_cond): Delete.
847         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
848         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
849         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
850         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
851         crx_expand_scond): Delete.
852
853         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
854         (cbranchsi4): New.
855         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
856         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
857
858         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
859         cstoresi4, cstoresf4, cstoredf4): New.
860         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
861         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
862         Receive the entire operands array.
863         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
864         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
865         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
866         Get test/op0/op1 from the operands array.
867         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
868
869         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
870         (h8300_expand_store): New.
871         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
872         (const_int 0)).
873         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
874         (h8300_expand_store): New.
875         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
876         or do not try to produce (set (cc0) REG).
877         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
878         change a compare into a move to a scratch register.  Disable some
879         peepholes when comparing with zero.
880         (tstsi, tsthi, tstsi, cmpqi): Make private.
881         (cmphi): Delete.
882         (bCC, sCC): Delete.
883         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
884         cstoresi4): New.
885
886         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
887         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
888         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
889         (ix86_emit_i387_log1p): Use cbranchxf2.
890         (ix86_expand_setcc): Return void.
891         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
892         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
893         cmp<MODEF>, cmpcc): Remove.
894         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
895         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
896         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
897         (sCC and bCC expanders): Remove.
898         (stack_protect_test): Use cbranchcc4.
899
900         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
901         Delete.
902         (ia64_expand_compare): Accept three rtx by reference and return void.
903         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
904         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
905         from *expr.  Update *expr with the BImode comparison to do.
906         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
907         cmptf, bCC, sCC, conditional_trap): Delete.
908         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
909         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
910         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
911         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
912         * config/ia64/predicates.md (ia64_cbranch_operator): New.
913
914         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
915         type of last argument.
916         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
917         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
918         use machine mode argument instead of branch_type.  Remove dead
919         code for floating-point comparisons.
920         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
921         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
922         Remove.
923         (cbranchsi4, cstoresi4): New.
924         * config/iq2000/predicates.md (reg_or_const_operand): New.
925
926         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
927         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
928         (b<code>_op): Rewrite to...
929         (bcc_op): ... this, using match_operator.
930         (s<code>_op): Rewrite to...
931         (scc_op): ... this, using match_operator.
932         (s<code>_24_op): Rewrite to...
933         (scc_op_24): ... this, using match_operator.
934         (s<code>_<mode>): Rewrite to...
935         (cstore<mode>4): ... this, using match_operator.
936         (s<code>_<mode>_24): Rewrite to...
937         (cstore<mode>4_24): ... this, using match_operator.
938         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
939         m32c_unpend_compare, m32c_expand_scc): Delete.
940         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
941         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
942         (m32c_expand_movcc): Change NE to EQ if necessary.
943         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
944
945         * config/m32r/m32r-protos.h (gen_cond_store): New.
946         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
947         (gen_cond_store): New, from sCC patterns.
948         (m32r_expand_block_move): Use cbranchsi4.
949         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
950         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
951         (cbranchsi4, cstoresi4): New.
952         
953         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
954         Delete.
955         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
956         (m68hc11_notice_update_cc): Look into a compare with 0.
957         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
958         Delete.
959         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
960         cmphi, cmpqi, bCC): Delete.
961         (cbranchsi4, cbranchhi4, cbranchqi4): New.
962         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
963         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
964         sets with COMPARE.
965
966         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
967         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
968         * config/m68k/constraints.md (H): New.
969         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
970         the define_insn below.
971         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
972         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
973         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
974         patterns): Wrap RHS with COMPARE.
975         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
976         (*cmpdi_internal): Name this pattern.
977         (cmpdi): Change to define_insn.
978         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
979         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
980         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
981         predicate.
982         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
983         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
984         (conditional_trap): Change to...
985         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
986         (*conditional_trap): Use the ordered_comparison_operator and
987         const1_operand predicates.
988         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
989         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
990         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
991         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
992
993         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
994         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
995         (mcore_gen_compare): New. 
996         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
997         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
998         (mcore_gen_compare): ... this.
999         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
1000         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
1001         (stack probe pattern): Use cbranchsi4.
1002
1003         * config/mips/predicates.md (mips_cstore_operator): New.
1004         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
1005         * config/mips/mips.md (any_cond): Delete.
1006         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
1007         always succeed.
1008         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
1009         fixuns_truncsfdi2): Use cbranch patterns.
1010         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
1011         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
1012         Adjust call to mips_expand_conditional_branch.
1013         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
1014         cstore<GPR:mode>4.
1015         * config/mips/mips-protos.h (mips_expand_conditional_branch,
1016         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
1017         * config/mips/mips.c (cmp_operands): Delete.
1018         (mips_emit_compare): Get comparison operands from *op0/*op1.
1019         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
1020         that it succeeds.  Use op0/op1 instead of cmp_operands.
1021         (mips_expand_conditional_branch, mips_expand_conditional_move,
1022         mips_expand_conditional_trap): Likewise.
1023         (mips_block_move_loop): Use cbranch patterns. 
1024         * config/mips/mips.h (cmp_operands): Delete.
1025
1026         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
1027         (mmix_gen_compare_reg): Just return a register in the right CC mode.
1028         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
1029         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
1030         (*cmpcc_folded): Rename to...
1031         (*cmpdi_folded): this.
1032         (*cmpcc): Rename to...
1033         (*cmps): ... this.
1034         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
1035         (bCC): Remove.
1036         (cbranchdi4): New.
1037         (cbranchdf4): New.  Handle invalid comparisons here.
1038         * config/mmix/predicates.md (float_comparison_operator): New.
1039
1040         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
1041         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
1042         * config/mn10300/mn10300.md (tst): Delete.
1043         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
1044         Name these patterns and wrap RHS in a compare.
1045         (*cmpsi): Make this pattern private.  Include tst.
1046         (*cmpsf): Make this pattern private.
1047         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
1048         (compare with zero peepholes): Likewise.
1049         (bCC): Remove.
1050         (cbranchsi4, cbranchsf4): New.
1051         (casesi): Use cbranchsi4.
1052
1053         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
1054         hppa_branch_type): Delete.
1055         (return_addr_rtx): Use cbranchsi4.
1056         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
1057         Emit CCFPmode comparison here.
1058         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
1059         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
1060         hppa_branch_type): Delete.
1061         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
1062         (movsicc, movdicc): Remove references to hppa_compare_op0,
1063         hppa_compare_op1 and compare_from_rtx.
1064         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
1065         (casesi): Use cbranchsi4.
1066
1067         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
1068         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
1069         * config/pdp11/pdp11.md (register_or_const0_operand): New.
1070         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
1071         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
1072         (bCC): Delete.
1073         (cbranchdf4, cbranchhi4, cbranchqi4): New.
1074         (*branch, *branch_inverted): New.
1075
1076         * config/picochip/picochip.md (cbranchhi4): Use
1077         ordered_comparison_operator.
1078         (cmphi, bCC): Remove.
1079
1080         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
1081         (trap_comparison_operator): Delete.
1082         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
1083         rs6000_emit_cbranch): Accept mode and operands.
1084         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
1085         rs6000_compare_fp_p): Delete.   
1086         (rs6000_generate_compare): Accept mode and comparison.  Extract code
1087         and op0/op1 from there.  Replace references to rs6000_compare_op0
1088         and rs6000_compare_op1.
1089         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
1090         extract result from passed operands.
1091         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
1092         extract loc from passed operands.
1093         (rs6000_emit_cmove): Likewise.
1094         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
1095         rs6000_compare_fp_p): Delete.
1096         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
1097         (cbranch<GPR>4, cbranch<FP>4): New.
1098         (cstore<mode>4): New.  Consolidate here all choices about when to use
1099         portable or specialized sCC sequences.
1100         (stack_protect_test): Use cbranchsi4.
1101         (conditional_trap): Replace with ctrap<GPR>4.
1102         (conditional trap insn): Replace trap_comparison_operator with
1103         ordered_comparison_operator. 
1104
1105         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
1106         (s390_emit_prologue): Use ctrap.
1107         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
1108         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
1109         New predicates replacing...
1110         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
1111         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
1112         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
1113         (add<mode>cc): Do not use s390_compare_op0/op1.
1114         (s<code>): Change to...
1115         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
1116         (seq): Change to...
1117         (cstorecc4): ... this.  Handle EQ or NE equally.
1118         (*sne): Un-privatize for use in cstorecc4.
1119         (b<code>): Change to...
1120         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
1121         (conditional_trap): Replace with...
1122         (ctrap<GPR>4, ctrap<FP>4): ... these.
1123         (stack_protect): Use cbranchcc4.
1124
1125         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
1126         * config/score/score-protos.h (score_gen_cmp): Delete.
1127         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
1128         (score_block_move-loop): Use cbranchsi4.
1129         * config/score/score.md (cbranchsi4): New.
1130         (cmpsi, bCC): Delete.
1131         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
1132         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1133         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
1134         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1135         * config/score/score3.h (score3_gen_cmp): Delete.
1136         * config/score/score7.h (score7_gen_cmp): Delete.
1137
1138         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
1139         (sh_emit_scc_to_t): ... this.  Return void.
1140         (from_compare): Rename to...
1141         (sh_emit_compare_and_branch): ... this.
1142         (sh_emit_compare_and_set): New.
1143         (sh_expand_t_scc): Accept operands.
1144         * config/sh/predicates.md (sh_float_comparison_operator): New.
1145         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
1146         (prepare_scc_operands): Rename to...
1147         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
1148         arguments.
1149         (sh_emit_cheap_store_flag): New.
1150         (sh_emit_set_t_insn): New.
1151         (from_compare): Rename to...
1152         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
1153         handling of TARGET_SH2E floating point to avoid recursive call.
1154         Generate branch here.
1155         (sh_emit_compare_and_set): New.
1156         (sh_expand_t_scc): Get op0/op1 from arguments.
1157         (sh_emit_cheap_store_flag): New.
1158         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
1159         cases.
1160         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
1161         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
1162         (movsicc, movdicc): Do nothing when it recreated operands from
1163         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
1164         prepare_scc_operands (now sh_emit_scc_to_t).
1165         (udivdi3): Use cstoresi4.
1166         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
1167         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
1168         (cbranchint4_media, cbranchfp4_media): New.
1169         (casesi): Use cbranchdi4.
1170         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
1171         Delete.
1172         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
1173         (movnegt): Remove second operand.
1174         (cbranchsf4, cbranchdf4): New.
1175         (stack_protect): Use cbranchdi4/cbranchsi4.
1176
1177         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
1178         (gen_compare_reg): Accept comparison, extract part of it to...
1179         (gen_compare_reg_1): ... this. 
1180         (gen_compare_operator): Delete.
1181         (gen_v9_scc): Accept separate destination, comparison code and arms.
1182         Do not use sparc_compare_op0/sparc_compare_op1.
1183         (emit_scc_insn, emit_conditional_branch_insn): New.
1184         (emit_v9_brxx): Make static.  Remove useless assertion.
1185         (sparc_emit_float_lib_cmp): Return RTL instead of calling
1186         emit_cmp_insn.
1187         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
1188         * config/sparc/sparc-protos.h (gen_compare_reg,
1189         sparc_emit_float_lib_cmp): Adjust prototype.
1190         (emit_scc_insn, emit_conditional_branch_insn): New.
1191         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
1192         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
1193         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
1194         iterators to the top.
1195         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
1196         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
1197         snedi_special_trunc): Delete.
1198         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
1199         and snedi_special_trunc.
1200         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
1201         cbranchdi4, cbranch<F:mode>4): New.
1202         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
1203         here.  Use gen_compare_reg instead of gen_compare_operator.
1204         (conditional_trap): Replace with...
1205         (ctrapsi4, ctrapdi4): ... this.
1206         (stack_protect_test): Use cbranchcc4.
1207
1208         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
1209         argument to rtx.
1210         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
1211         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
1212         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
1213         from operands[0] or operands[3] depending on is_set.
1214         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
1215         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
1216         cmpdf, bCC), sCC: Remove.
1217         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
1218         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
1219         cstoredf4): New.
1220         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1221         spu_emit_branch_or_set.
1222
1223         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1224         Add two arguments.
1225         * config/stormy16/stormy16.h (xstormy16_compare_op0,
1226         xstormy16_compare_op1): Delete.
1227         * config/stormy16/stormy16.c (xstormy16_compare_op0,
1228         xstormy16_compare_op1): Delete. 
1229         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1230         Adjust calls.
1231         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1232         (cmphi, cmpsi, bCC): Remove.
1233
1234         * config/v850/v850.md (tstsi, cmpsi): Fold into...
1235         (*cmpsi): ... this one.
1236         (cbranchsi4, cstoresi4): New.
1237         (bCC expanders): Delete.
1238         (sCC insns): Fold into...
1239         (*setcc): ... this one.
1240         (casesi): Do not use gen_cmpsi and gen_bgtu. 
1241         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
1242         (movsicc): Simplify.
1243         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
1244
1245         * config/vax/vax-protos.h (cond_name): New.
1246         (vax_output_conditional_branch): Remove.
1247         * config/vax/vax.c (cond_name): New.
1248         (vax_output_conditional_branch): Remove.
1249         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
1250         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
1251         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
1252         (bit<VAXint>): Wrap source with (compare).
1253         (b<code> and following unnamed pattern): Rename to *branch and
1254         *branch_reversed.  Change macroization to match_operator.
1255         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
1256
1257         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
1258         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
1259         Change last argument to machine_mode.
1260         (xtensa_expand_scc): Add machine_mode argument.
1261         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
1262         (gen_conditional_move, xtensa_expand_conditional_branch,
1263         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
1264         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
1265         Adjust operand numbers.
1266         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
1267         Delete.
1268         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
1269         (cmpsi, cmpsf, b<code>, s<code>): Delete.
1270         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
1271
1272 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
1273
1274         * optabs.c (prepare_cmp_insn): Temporarily disable test that
1275         causes spurious differences between trunk and cond-optab branch.
1276
1277 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1278
1279         PR target/37137
1280         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
1281
1282 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
1283
1284         * tree.c (iterative_hash_pointer): Delete.
1285         (iterative_hash_expr): Short-circuit handling of NULL pointer.
1286         Hash UIDs and versions of SSA names.  Don't special-case built-in
1287         function declarations.
1288
1289 2009-05-11  Ian Lance Taylor  <iant@google.com>
1290
1291         PR bootstrap/40103
1292         * graphite.c: Force -Wc++-compat to only be a warning before
1293         #including "cloog/cloog.h".
1294
1295 2009-05-11  Martin Jambor  <mjambor@suse.cz>
1296
1297         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1298         
1299 2009-05-11  Jan Hubicka  <jh@suse.cz>
1300
1301         * tree-ssa-loop-ivcanon.c: Include target.h
1302         (struct loop_size): new structure.
1303         (constant_after_peeling): New predicate.
1304         (tree_estimate_loop_size): New function.
1305         (estimated_unrolled_size): Rewrite for new estimates.
1306         (try_unroll_loop_completely): Use new estimates.
1307         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1308
1309 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1310
1311         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1312         libcpp interface change.
1313         (spu_macro_to_expand): Likewise.
1314
1315 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
1316
1317         PR tree-optimization/40026
1318         * gimplify.c (gimplify_init_constructor): Change initial conditional
1319         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
1320         optimize_compound_literals_in_ctor.
1321
1322 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1323
1324         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1325         New devices.
1326         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1327
1328 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1329
1330         * tree-vect-data-refs.c (vect_analyze_group_access): Use
1331         HOST_WIDE_INT for gap.
1332
1333 2009-05-11  Ira Rosen  <irar@il.ibm.com>
1334
1335         PR tree-optimization/40074
1336         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1337         account in group size and step comparison.
1338
1339 2009-05-11  Richard Guenther  <rguenther@suse.de>
1340
1341         * passes.c (init_optimization_passes): Strip now incorrect comment.
1342         (execute_function_todo): Do not set PROP_alias.
1343         * tree-pass.h (PROP_alias): Remove.
1344         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1345         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1346         * tree-nrv.c (pass_return_slot): Likewise.
1347         * tree-object-size.c (pass_object_sizes): Likewise.
1348         * tree-ssa-dom.c (pass_dominator): Likewise.
1349         (pass_phi_only_cprop): Likewise.
1350         * tree-ssa-dse.c (pass_dse): Likewise.
1351         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1352         (pass_cselim): Likewise.
1353         * tree-ssa-pre.c (pass_pre): Likewise.
1354         (pass_fre): Likewise.
1355         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1356         * tree-ssa-sink.c (pass_sink_code): Likewise.
1357         * tree-stdarg.c (pass_stdarg): Likewise.
1358         * tree-tailcall.c (pass_tail_calls): Likewise.
1359         * tree-vrp.c (pass_vrp): Likewise.
1360
1361 2009-05-10  Ian Lance Taylor  <iant@google.com>
1362
1363         * basic-block.h (enum profile_status): Break out of struct
1364         control_flow_graph.
1365         * cgraph.h (struct inline_summary): Break out of struct
1366         cgraph_local_info.
1367         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1368         of struct cgraph_order_sort.
1369         * combine.c (enum undo_kind): New enum, broken out of struct undo.
1370         * cse.c (struct branch_path): Break out of struct
1371         cse_basic_block_data.
1372         * except.h (enum eh_region_type): Break out of struct eh_region.
1373         * gcc.c (enum add_del): Break out of struct modify_target.
1374         * genrecog.c (enum decision_type): Break out of struct decision_test.
1375         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1376         ggc_pch_data.
1377         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1378         * regmove.c (enum match_use): New enum, broken out of struct match.
1379         * sched-int.h (enum post_call_group): New enum, broken out of
1380         struct deps.
1381         (struct deps_reg): Break out of struct deps.
1382         * target.h (struct asm_int_op): Break out of struct gcc_target.
1383         * tree-eh.c (struct goto_queue_node): Break out of struct
1384         leh_tf_state.
1385         * tree-inline.h (enum copy_body_cge_which): Break out of
1386         copy_body_data.
1387         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1388
1389         * c-decl.c (in_struct, struct_types): New static variables.
1390         (pushtag): Add loc parameter.  Change all callers.
1391         (lookup_tag): Add ploc parameter.  Change all callers.
1392         (check_compound_literal_type): New function.
1393         (parser_xref_tag): Add loc parameter.  Change all callers.  If
1394         -Wc++-compat, warn about struct/union/enum types defined within a
1395         struct or union.
1396         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1397         and loc parameters.  Change all callers.  Change error calls to
1398         error_at, using loc.  For a redefinition, if the location of the
1399         original definition is known, report it.  Set in_struct and
1400         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
1401         (finish_struct): Add new parameters enclosing_in_struct and
1402         enclosing_struct_types.  Change all callers.  Set
1403         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1404         in the struct.  If in a struct, add this struct to struct_types.
1405         (start_enum): Add loc parameter.  Change all callers.  Use
1406         error_at for errors, using loc.  For a redefinition, if the
1407         location of the original definition is known, report it.  If in a
1408         struct, add this enum type to struct_types.  If -Wc++-compat warn
1409         if in sizeof, typeof, or alignof.
1410         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1411         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1412         (c_parser_enum_specifier): Get enum location for start_enum.
1413         (c_parser_struct_or_union_specifier): Get struct location for
1414         start_struct.  Save in_struct and struct_types status between
1415         start_struct and finish_struct.
1416         (c_parser_cast_expression): Get location of cast.
1417         (c_parser_alignof_expression): Get location of type.
1418         (c_parser_postfix_expression): Likewise.
1419         (c_parser_postfix_expression_after_paren_type): Add type_loc
1420         parameter.  Change all callers.  Call check_compound_literal_type.
1421         Use type_loc for error about variable size type.
1422         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1423         of an enum constant from an enum type defined in a struct or union.
1424         (c_cast_expr): Add loc parameter.  Change all callers.  If
1425         -Wc++-compat, warn about defining a type in a cast.
1426         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1427         (start_enum, start_struct, finish_struct): Update declarations.
1428         (parser_xref_tag, c_cast_expr): Update declarations.
1429         (check_compound_literal_type): Declare.
1430
1431 2009-05-11  Ben Elliston  <bje@au.ibm.com>
1432
1433         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1434         for recent libcpp interface change.
1435         (rs6000_macro_to_expand): Likewise.
1436
1437 2009-05-10  Michael Matz  <matz@suse.de>
1438
1439         PR target/40031
1440         * config/arm/arm.c (require_pic_register): Emit on entry edge,
1441         not at entry of function.
1442
1443 2009-05-10  Richard Guenther  <rguenther@suse.de>
1444
1445         PR tree-optimization/40081
1446         Revert
1447         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1448         using the main variant of the element type.  Do not fiddle with
1449         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1450
1451         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1452         structs with volatile fields.
1453
1454 2009-05-10  Jan Hubicka  <jh@suse.cz>
1455
1456         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1457         (estimate_move_cost): Assert that it does not get called for
1458         VOID_TYPE_P.
1459         (estimate_num_insns): Skip VOID types in argument handling.
1460         (optimize_inline_calls): Delete unreachable blocks and verify that
1461         callgraph is valid.
1462
1463 2009-05-10  Jan Hubicka  <jh@suse.cz>
1464
1465         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1466         * cgraph.c (cgraph_mark_address_taken_node): New function.
1467         (dump_cgraph_node): Dump new flag.
1468         * cgraph.h (struct cgraph_node): Add address_taken.
1469         (cgraph_mark_address_taken_node): New function.
1470         * ipa.c (cgraph_postorder): Prioritize functions with address taken
1471         since new direct calls can be born.
1472
1473 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1474
1475         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1476         tok->val.node.node.
1477
1478 2009-05-10  Jan Hubicka  <jh@suse.cz>
1479
1480         PR middle-end/40084
1481         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1482         argument; rewrite.
1483         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1484         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1485         * tree-inline.c (copy_bb): Set frequency correctly.
1486         (fold_marked_statements): Update call to
1487         cgraph_update_edges_for_call_stmt.
1488
1489 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1490
1491         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1492         identifiers in diagnostics.
1493         * config/arm/arm.c (arm_handle_fndecl_attribute,
1494         arm_handle_isr_attribute): Likewise.
1495         * config/avr/avr.c (avr_handle_progmem_attribute,
1496         avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1497         Likewise.
1498         * config/bfin/bfin.c (handle_int_attribute,
1499         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1500         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1501         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1502         Likewise.
1503         * config/darwin.c (darwin_handle_kext_attribute,
1504         darwin_handle_weak_import_attribute): Likewise.
1505         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1506         h8300_handle_eightbit_data_attribute,
1507         h8300_handle_tiny_data_attribute): Likewise.
1508         * config/i386/i386.c (ix86_handle_cconv_attribute,
1509         ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1510         Likewise.
1511         * config/i386/winnt.c (ix86_handle_shared_attribute,
1512         ix86_handle_selectany_attribute): Likewise.
1513         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1514         * config/m32c/m32c.c (function_vector_handler): Likewise.
1515         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1516         m68hc11_handle_fntype_attribute): Likewise.
1517         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1518         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1519         * config/mips/mips.c (mips_insert_attributes,
1520         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1521         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1522         rs6000_handle_struct_attribute): Likewise.
1523         * config/sh/sh.c (sh_insert_attributes,
1524         sh_handle_resbank_handler_attribute,
1525         sh_handle_interrupt_handler_attribute,
1526         sh2a_handle_function_vector_handler_attribute,
1527         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1528         Likewise.
1529         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1530         * config/spu/spu.c (spu_handle_fndecl_attribute,
1531         spu_handle_vector_attribute): Likewise.
1532         * config/stormy16/stormy16.c
1533         (xstormy16_handle_interrupt_attribute): Likewise.
1534         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1535         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1536
1537 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
1538
1539         * pretty-print.h (struct pretty_print_info): Add
1540         translate_identifiers.
1541         (pp_translate_identifiers): New.
1542         (pp_identifier): Only conditionally translate identifier to locale
1543         character set.
1544         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1545         (pp_base_tree_identifier): Only conditionally translate identifier
1546         to locale character set.
1547         * c-pretty-print.c (M_): Define.
1548         (pp_c_type_specifier, pp_c_primary_expression): Mark English
1549         fragments for conditional translation with M_.
1550         * tree-pretty-print.c (maybe_init_pretty_print): Disable
1551         identifier translation.
1552
1553 2009-05-10  Richard Guenther  <rguenther@suse.de>
1554
1555         PR tree-optimization/40081
1556         * tree-sra.c (instantiate_element): Instantiate scalar replacements
1557         using the main variant of the element type.  Do not fiddle with
1558         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1559
1560 2009-05-09  Jan Hubicka  <jh@suse.cz>
1561
1562         PR middle-end/40080
1563         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1564         indirect calls; verify cgraph afterwards.
1565
1566 2009-05-09  Jan Hubicka  <jh@suse.cz>
1567
1568         PR bootstrap/40082
1569         * ipa.c (update_inlined_to_pointer): New function.
1570         (cgraph_remove_unreachable_nodes): Use it.
1571
1572 2009-05-09  Jan Hubicka  <jh@suse.cz>
1573
1574         * tree-eh.c (struct leh_state): Remove prev_try.
1575         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1576         not track prev_try.
1577         * except.c (gen_eh_region_cleanup, duplicate_eh_regions, 
1578         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1579         remove_eh_handler_and_replace, foreach_reachable_handler,
1580         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1581         * except.h (struct eh_region): Remove eh_region_u_cleanup.
1582         (gen_eh_region_cleanup): Update prototype.
1583
1584 2009-05-09  Jan Hubicka  <jh@suse.cz>
1585
1586         PR middle-end/40043
1587         * except.c (copy_eh_region): Always set prev_try.
1588         (redirect_eh_edge_to_label): Find outer try.
1589         (foreach_reachable_handler): When looking for prev try
1590         handle case where previous try is not going to be taken.
1591
1592 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1593
1594         PR tree-optimization/40049
1595         * tree-vect-stmts.c (vectorizable_operation): If the machine has
1596         only vector/vector shifts, convert the type of the constant to the
1597         appropriate type to avoid building incorrect trees, which
1598         eventually have problems with garbage collection.
1599
1600 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1601
1602         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1603         -1 for complex floating-point types if honoring signed zeros.
1604
1605 2009-05-08  Jan Hubicka  <jh@suse.cz>
1606
1607         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1608         argument; handle correctly when profile is absent.
1609         (build_cgraph_edges): Update.
1610         (rebuild_cgraph_edges): Update.
1611         * cgraph.c: Do not include varray.h.
1612         (cgraph_set_call_stmt_including_clones): New function.
1613         (cgraph_create_edge_including_clones): Likewise
1614         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1615         (cgraph_update_edges_for_call_stmt): Handle clones.
1616         (cgraph_remove_node): Handle clone tree.
1617         (cgraph_remove_node_and_inline_clones): New function.
1618         (dump_cgraph_node): Dump clone tree.
1619         (cgraph_clone_node): Handle clone tree.
1620         (clone_function_name): Bring here from tree-inline.c.
1621         (cgraph_create_virtual_clone): New function.
1622         * cgraph.h (ipa_replace_map): Move here from ipa.h.
1623         (cgraph_clone_info): New function.
1624         (strut cgraph_node): Add clone_info and new clone tree pointers.
1625         (cgraph_remove_node_and_inline_clones,
1626         cgraph_set_call_stmt_including_clones,
1627         cgraph_create_edge_including_clones,
1628         cgraph_create_virtual_clone): Declare.
1629         (cgraph_function_versioning): Use VEC argument.
1630         (compute_call_stmt_bb_frequency): Update prototype.
1631         (cgraph_materialize_all_clones): New function.
1632         * ipa-cp.c (ipcp_update_cloned_node): Remove.
1633         (ipcp_create_replace_map): Update to VECtors.
1634         (ipcp_update_callgraph): Use virtual clones.
1635         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1636         (ipcp_update_profiling): Do not update local profiling.
1637         (ipcp_insert_stage): Use VECtors and virtual clones.
1638         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1639         (clone_of_p): New function.
1640         (cgraph_preserve_function_body_p): Use clone tree.
1641         (cgraph_optimize): Materialize clones.
1642         (cgraph_function_versioning): Update for VECtors.
1643         (save_inline_function_body): Use clone tree.
1644         (cgraph_materialize_clone): New function.
1645         (cgraph_materialize_all_clones): Likewise.
1646         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1647         * ipa.c: Include gimple.h.
1648         (cgraph_remove_unreachable_nodes): Use clone tree.
1649         * ipa-prop.c (ipa_note_param_call): Update call to
1650         compute_call_stmt_bb_frequencycall.
1651         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1652         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1653         (copy_bb): Handle updating of clone tree; add new edge when new call
1654         appears.
1655         (expand_call_inline): Be strict about every call having edge.
1656         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1657         (delete_unreachable_blocks_update_callgraph): New function.
1658         (tree_function_versioning): Use VECtors; always remove unreachable
1659         blocks and fold conditionals.
1660         * tree-inline.h: Do not include varray.h.
1661         (tree_function_versioning): Remove.
1662         * Makefile.in (GTFILES): Remove tree-inline.c
1663         * passes.c (do_per_function): Do only functions having body.
1664         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1665         tree.
1666
1667 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
1668             Andrew Morrow  <acm@google.com>
1669
1670         PR c/36892
1671         * c-common.c (c_common_attribute_table): Permit deprecated
1672         attribute to take an optional argument.
1673         (handle_deprecated_attribute): If the optional argument to
1674         __attribute__((deprecated)) is not a string ignore the attribute
1675         and emit a warning.
1676
1677         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1678         * c-typeck.c (build_component_ref): Likewise.
1679         (build_external_ref): Likewise.
1680
1681         * toplev.c (warn_deprecated_use): Add an attribute argument.
1682         Emit the message associated with __attribute__((deprecated)).
1683
1684         * toplev.h (warn_deprecated_use): Updated.
1685
1686         * doc/extend.texi: Document new optional parameter to
1687         __attribute__((deprecated))
1688
1689 2009-05-08  Michael Eager <eager@eagercon.com>
1690
1691         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1692         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1693
1694 2009-05-08  Richard Guenther  <rguenther@suse.de>
1695
1696         PR tree-optimization/40062
1697         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1698         Avoid exponential behavior.
1699
1700 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1701
1702         PR rtl-optimization/33928
1703         PR 26854
1704         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1705         process_uses, build_single_def_use_links): New.
1706         (update_df): Update use_def_ref.
1707         (forward_propagate_into): Use get_def_for_use instead of use-def
1708         chains.
1709         (fwprop_init): Call build_single_def_use_links and let it initialize
1710         dataflow.
1711         (fwprop_done): Free use_def_ref.
1712         (fwprop_addr): Eliminate duplicate call to df_set_flags.
1713         * df-problems.c (df_rd_simulate_artificial_defs_at_top, 
1714         df_rd_simulate_one_insn): New.
1715         (df_rd_bb_local_compute_process_def): Update head comment.
1716         (df_chain_create_bb): Use the new RD simulation functions.
1717         * df.h (df_rd_simulate_artificial_defs_at_top, 
1718         df_rd_simulate_one_insn): New.
1719         * opts.c (decode_options): Enable fwprop at -O1.
1720         * doc/invoke.texi (-fforward-propagate): Document this.
1721
1722 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
1723
1724         PR c/24581
1725         * c-typeck.c (build_binary_op): Handle arithmetic between one real
1726         and one complex operand specially.
1727         * tree-complex.c (some_nonzerop): Do not identify a real value as
1728         zero if flag_signed_zeros.
1729
1730 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1731
1732         PR rtl-optimization/33928
1733         * loop-invariant.c (record_use): Fix && vs. || mishap.
1734
1735 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
1736
1737         PR rtl-optimization/33928
1738         * loop-invariant.c (struct use): Add addr_use_p.
1739         (struct def): Add n_addr_uses.
1740         (struct invariant): Add cheap_address.
1741         (create_new_invariant): Set cheap_address.
1742         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
1743         (record_uses): Pass df_ref to record_use.
1744         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1745         used only as such.
1746
1747 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1748
1749         * config/sh/sh.c: Do not include c-pragma.h.
1750
1751 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1752
1753         * config/spu/spu.c: Remove include of c-common.h.
1754
1755 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
1756
1757         PR c/39037
1758         * c-common.h (mark_valid_location_for_stdc_pragma,
1759         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1760         clear_float_const_decimal64, float_const_decimal64_p): New.
1761         * c.opt (Wunsuffixed-float-constants): New.
1762         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1763         unsuffixed float constant, handle new warning.
1764         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1765         * c-decl.c (c_scope): New flag float_const_decimal64.
1766         (set_float_const_decimal64, clear_float_const_decimal64,
1767         float_const_decimal64_p): New.
1768         (push_scope): Set new flag.
1769         * c-parser.c (c_parser_translation_unit): Mark when it's valid
1770         to use STDC pragmas.
1771         (c_parser_external_declaration): Ditto.
1772         (c_parser_compound_statement_nostart): Ditto.
1773         * c-pragma.c (valid_location_for_stdc_pragma,
1774         mark_valid_location_for_stdc_pragma,
1775         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1776         handle_pragma_float_const_decimal64): New.
1777         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1778         * cp/semantics.c (valid_location_for_stdc_pragma_p,
1779         set_float_const_decimal64, clear_float_const_decimal64,
1780         float_const_decimal64_p): New dummy functions.
1781         * doc/extend.texi (Decimal Float): Remove statement that the
1782         pragma, and suffix for double constants, are not supported.
1783         * doc/invoke.texi (Warning Options): List new option.
1784         (-Wunsuffixed-float-constants): New.
1785
1786 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
1787
1788         * config/i386/i386.c: Do not include c-common.h.
1789
1790 2009-05-07  Mark Heffernan  <meheff@google.com>
1791
1792         * doc/invoke.texi (Debugging Options): Document change of debugging
1793         dump location.
1794         * opts.c (decode_options): Make dump_base_name relative to
1795         aux_base_name directory.
1796
1797 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
1798
1799         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1800         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1801
1802 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
1803
1804         * Makefile.in (install-plugin): Simplify a bit.
1805
1806 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
1807
1808         * Makefile.in (OBJS-common): Add regcprop.o.
1809         (regcprop.o): New.
1810         * timevar.def (TV_CPROP_REGISTERS): New.
1811         * regrename.c (regrename_optimize): Return 0.
1812         (rest_of_handle_regrename): Delete.
1813         (pass_rename_registers): Point to regrename_optimize.
1814         (struct value_data_entry, struct value_data, 
1815         kill_value_one_regno, kill_value_regno, kill_value,
1816         set_value_regno, init_value_data, kill_clobbered_value,
1817         kill_set_value, kill_autoinc_value, copy_value,
1818         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1819         replace_oldest_value_reg, replace_oldest_value_addr,
1820         replace_oldest_value_mem, copyprop_hardreg_forward_1,
1821         debug_value_data, validate_value_data): Move...
1822         * regcprop.c: ... here.
1823         (rest_of_handle_cprop): Delete.
1824         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1825
1826 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
1827
1828         PR middle-end/40057
1829         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1830         GEN_INT for 1 << bitnum.
1831         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1832         build_int_cst_type.
1833
1834 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
1835
1836         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1837         Remove wrong description of "nand" operation.
1838
1839 2009-05-06  Richard Guenther  <rguenther@suse.de>
1840             Adam Nemet  <anemet@caviumnetworks.com>
1841
1842         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1843         comment.  Add that if LHS is not a gimple register, then RHS1 has
1844         to be a single object (GIMPLE_SINGLE_RHS).
1845
1846 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
1847
1848         * expr.c (get_def_for_expr): Move it up in the file.
1849         (store_field): When expanding a bit-field store, look at the
1850         defining gimple stmt for the masking conversion.
1851
1852 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
1853
1854         PR middle-end/39986
1855         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1856         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1857         32-bit memcpy into long.
1858
1859 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
1860
1861         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1862         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1863         new_reg_loc_descr.
1864         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1865         instead of appending DW_OP_deref*.
1866
1867 2009-05-06  Michael Matz  <matz@suse.de>
1868
1869         PR middle-end/40021
1870         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1871         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1872
1873 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
1874
1875         * Makefile.in (install-plugin): Fix srcdir handling.
1876
1877 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
1878
1879         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1880         when processing for not_regs_needed bitmap.
1881         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1882         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while 
1883         handling it for rhs. 
1884
1885 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1886
1887         * config/i386/i386.md (unnamed inc/dec peephole): Use
1888         optimize_insn_for_size_p instead of optimize_size.
1889         * config/i386/predicates.md (incdec_operand): Likewise.
1890         (aligned_operand): Likewise.
1891         * config/i386/sse.md (divv8sf3): Likewise.
1892         (sqrtv8sf2): Likewise.
1893
1894 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1895
1896         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1897
1898         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1899
1900 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1901
1902         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1903         ssemodesuffixf2c with avxmodesuffixf2c.
1904
1905 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
1906
1907         PR c/40032
1908         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1909
1910 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
1911
1912         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1913         (struct tree_base): Adjust spacing for 8 bit boundaries.
1914         (struct tree_decl_common): Add decl_by_reference_flag bit.
1915         (DECL_BY_REFERENCE): Adjust.
1916         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1917         print DECL_BY_REFERENCE bit.
1918         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1919         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1920         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1921         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
1922         unconditionally.
1923
1924         PR middle-end/39666
1925         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1926         range of the type, but default label is missing, add it with one
1927         of the existing labels instead of adding a new label for it.
1928
1929 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
1930
1931         * dwarf.h: Remove.
1932
1933 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
1934
1935         * Makefile.in (enable_plugin, plugin_includedir): New.
1936         (install): Depend on install-plugin.
1937         (PLUGIN_HEADERS): New.
1938         (install-plugin): New.
1939         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1940
1941 2009-05-05  Richard Guenther  <rguenther@suse.de>
1942
1943         PR tree-optimization/40022
1944         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1945         the only vuse.
1946         (phivn_valid_p): Fix tuplification error, simplify.
1947         (phiprop_insert_phi): Add dumps.
1948         (propagate_with_phi): Simplify.
1949
1950 2009-05-05  Richard Guenther  <rguenther@suse.de>
1951
1952         PR middle-end/40023
1953         * builtins.c (gimplify_va_arg_expr): Properly build the address.
1954
1955 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
1956
1957         * tree.h (strip_float_extensions): Remove duplicate declaration.
1958         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1959         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1960         block_ultimate_origin): Rearrange the declarations line to match the
1961         comment that indicates the .c file which the functions are defined.
1962         (dwarf2out_*, set_decl_rtl): Add comment.
1963         (get_base_address): Adjust comment.
1964         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1965         declarations line and add comment.
1966         (is_builtin_name): Add blank after function name, for clarity.
1967
1968 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
1969
1970         * attribs.c (decl_attributes): Use %qE for identifiers in
1971         diagnostics.
1972         * cgraphunit.c (verify_cgraph_node): Translate function names to
1973         locale character set in diagnostics.
1974         * coverage.c (get_coverage_counts): Use %qE for identifiers in
1975         diagnostics.
1976         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1977         Document that functions are named in UTF-8.
1978         * expr.c (expand_expr_real_1): Translate function names to locale
1979         character set in diagnostics.
1980         * gimplify.c (omp_notice_variable, omp_is_private,
1981         gimplify_scan_omp_clauses): Use %qE for identifiers in
1982         diagnostics.
1983         * langhooks.c (lhd_print_error_function): Translate function names
1984         to locale character set.
1985         * langhooks.h (decl_printable_name): Document that return value is
1986         in internal character set.
1987         * stmt.c: Include pretty-print.h
1988         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1989         diagnostics.
1990         (resolve_operand_name_1): Translate named operand name to locale
1991         character set.
1992         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
1993         diagnostics.
1994         * toplev.c (announce_function): Translate function names to locale
1995         character set.
1996         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
1997         (default_tree_printer): Use pp_identifier or translate identifiers
1998         to locale character set.  Mark "<anonymous>" for translation.
1999         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
2000         for identifiers in diagnostics.
2001         * tree.c (handle_dll_attribute): Use %qE for identifiers in
2002         diagnostics.
2003         * varasm.c (output_constructor): Use %qE for identifiers in
2004         diagnostics.
2005
2006 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
2007
2008         * configure.ac: use ` ` instead of $()
2009         * configure: Regenerate.
2010
2011 2009-05-05  Ben Elliston  <bje@au.ibm.com>
2012
2013         * config/pa/linux-atomic.c: Eliminate conditional include of
2014         errno.h on non-LP64 systems to simplify build requirements.
2015
2016 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2017
2018         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
2019         diagnostics.
2020         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
2021         and pass value to identifier_to_locale.
2022         (warn_variable_length_array): Make name a tree.
2023         (grokdeclarator): Separate diagnostic texts for named and unnamed
2024         declarators.  Use %qE for named declarators.
2025         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
2026         diagnostics.
2027         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
2028         identifiers in diagnostics.
2029         * c-typeck.c (push_member_name, start_init): Pass identifiers to
2030         identifier_to_locale.  Mark "anonymous" strings for translation.
2031
2032 2009-05-04  Michael Eager <eager@eagercon.com>
2033
2034         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
2035         address for DImode/DFmode only if double-precision FP regs.
2036
2037 2009-05-04  Michael Eager <eager@eagercon.com>
2038
2039         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
2040         TARGET_SINGLE_FLOAT check.
2041
2042 2009-05-04  Michael Eager <eager@eagercon.com>
2043
2044         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
2045
2046 2009-05-04  Michael Eager <eager@eagercon.com>
2047
2048         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
2049         * config/rs6000/t-xilinx: New
2050
2051 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
2052
2053         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
2054         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
2055         * gcc/explow.c (memory_address): Use target hook.
2056         * gcc/targhooks.c (default_legitimize_address): New.
2057         * gcc/targhooks.h (default_legitimize_address): New.
2058         * gcc/target.h (legitimize_address): New.
2059         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
2060         (TARGET_INITIALIZER): Include it.
2061         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
2062
2063         * config/bfin/bfin-protos.h (legitimize_address): Remove.
2064         * config/bfin/bfin.c (legitimize_address): Remove.
2065         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
2066         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
2067         Remove.
2068         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
2069         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
2070
2071         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
2072         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
2073         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
2074         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
2075         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
2076         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
2077         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
2078         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
2079         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
2080         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
2081         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
2082         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
2083         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
2084         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
2085         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
2086         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
2087         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
2088         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
2089         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
2090         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
2091         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
2092         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
2093         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
2094
2095         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
2096         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
2097         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
2098         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
2099         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
2100         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
2101         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
2102         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
2103         (thumb_legitimize_address): Delete.
2104         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
2105         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
2106         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
2107         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
2108         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
2109         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
2110         Delete.
2111         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
2112         Delete.
2113
2114         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
2115         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
2116         * config/m32r/m32r.c (m32r_legitimize_address): New.
2117         * config/m68k/m68k.c (m68k_legitimize_address): New.
2118         * config/score/score.c (score_legitimize_address): Standardize.
2119         * config/score/score3.c (score3_legitimize_address): Standardize.
2120         * config/score/score3.h (score3_legitimize_address): Adjust.
2121         * config/score/score7.c (score7_legitimize_address): Standardize.
2122         * config/score/score7.h (score7_legitimize_address): Adjust.
2123         * config/sh/sh.c (sh_legitimize_address): New.
2124         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
2125
2126         * gcc/config/s390/s390.c (legitimize_address): Rename to...
2127         (s390_legitimize_address): ... this.
2128         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
2129         (sparc_legitimize_address): ... this.
2130         * gcc/config/i386/i386.c (legitimize_address): Rename to...
2131         (ix86_legitimize_address): ... this.
2132         * gcc/config/avr/avr.c (legitimize_address): Rename to...
2133         (avr_legitimize_address): ... this.
2134         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
2135         (mn10300_legitimize_address): ... this.
2136         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
2137         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
2138         (alpha_expand_mov): Adjust call.
2139
2140         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
2141         * config/spu/spu.c (spu_legitimize_address): Likewise.
2142         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
2143         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
2144
2145 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
2146
2147         * intl.c (locale_encoding, locale_utf8): New.
2148         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
2149         * intl.h (locale_encoding, locale_utf8): Declare.
2150         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
2151         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
2152         New.
2153         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
2154         argument.
2155         (pp_tree_identifier): Define to call pp_base_tree_identifier.
2156         (pp_base_tree_identifier): Declare as function.
2157         (identifier_to_locale): Declare.
2158         * Makefile.in (pretty-print.o): Update dependencies.
2159         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
2160
2161 2009-05-04  Richard Guenther  <rguenther@suse.de>
2162
2163         PR middle-end/40015
2164         * builtins.c (fold_builtin_memory_op): Do not decay to element
2165         type if the size matches the whole array.
2166
2167 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2168
2169         * expmed.c (synth_mult): When trying out a shift, pass the result
2170         of a signed shift.
2171
2172 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
2173
2174         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
2175         (shiftsub1_cost): New.
2176         (init_expmed): Compute shiftsub1_cost.
2177         (synth_mult): Optimize multiplications by constants of the form
2178         -(2^^m-1) for some constant positive integer m.
2179
2180 2009-05-03  Richard Guenther  <rguenther@suse.de>
2181
2182         PR c/39983
2183         * c-typeck.c (array_to_pointer_conversion): Do not built
2184         ADDR_EXPRs of arrays of pointer-to-element type.
2185         * c-gimplify.c (c_gimplify_expr): Revert change fixing
2186         up wrong ADDR_EXPRs after-the-fact.
2187         * c-common.c (strict_aliasing_warning): Strip pointer
2188         conversions for obtaining the original type.
2189         * builtins.c (fold_builtin_memset): Handle array types.
2190         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
2191         and array types
2192
2193 2009-05-03  Richard Guenther  <rguenther@suse.de>
2194
2195         PR middle-end/23329
2196         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
2197         Do not lose casts from array types with unknown extent to array
2198         types with known extent.
2199         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
2200         alias set compatibility.
2201
2202 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2203
2204         * flags.h (extra_warnings): Delete.
2205         * toplev.c (process_options): Handle Wuninitialized here.
2206         * opts.c (extra_warnings): Delete.
2207         (set_Wextra): Delete.
2208         (common_handle_option): -Wextra can be handled automatically.
2209         * c-opts.c (c_common_handle_option): Delete obsolete code.
2210         (c_common_post_options): Simplify comment.
2211         * common.opt (W): Add Var.
2212         (Wextra): Add Var.
2213         (Wuninitialized): Initialize to -1.
2214
2215 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
2216             Richard Guenther  <rguenther@suse.de>
2217
2218         * expr.c (get_def_for_expr): New function.
2219         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2220         SSA rather than trees.
2221         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
2222         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2223         
2224 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
2225
2226         * c-common.c (reswords): Add _Imaginary.
2227         * c-common.c (enum rid): Add RID_IMAGINARY.
2228
2229 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
2230
2231         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2232         Patch by Richard Guenther.
2233
2234 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
2235
2236         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2237         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2238         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2239         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
2240         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
2241         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
2242         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
2243         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
2244         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
2245         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
2246         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
2247         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
2248         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
2249         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
2250         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
2251         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
2252         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
2253         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
2254
2255 2009-05-02  Richard Guenther  <rguenther@suse.de>
2256
2257         PR tree-optimization/39940
2258         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
2259         doing so.
2260
2261 2009-05-02  Richard Guenther  <rguenther@suse.de>
2262
2263         PR middle-end/40001
2264         * tree-ssa.c (execute_update_addresses_taken): Properly check
2265         if we can mark a variable DECL_GIMPLE_REG_P.
2266         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
2267         back to the end of the function.
2268         (is_gimple_reg_type): Remove complex type special casing.
2269         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
2270         if not optimizing.
2271
2272 2009-05-02  Ben Elliston  <bje@au.ibm.com>
2273
2274         * doc/collect2.texi (Collect2): Document search path behaviour
2275         when configured with --with-ld.
2276
2277 2009-05-02  Jan Hubicka  <jh@suse.cz>
2278
2279         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
2280         parameter; update callers.
2281         (coalesce_cost_edge): EH edges are costier because they needs
2282         splitting even if not critical and even more costier when there are
2283         multiple EH predecestors.
2284
2285 2009-05-02  Jan Hubicka  <jh@suse.cz>
2286
2287         * except.c (remove_eh_handler_and_replace): Handle updating after
2288         removing TRY blocks.
2289
2290 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
2291
2292         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2293
2294 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
2295
2296         * varasm.c: Do not include c-pragma.h.
2297         * attribs.c: Do not incude c-common.h.
2298
2299 2009-05-01  Michael Matz  <matz@suse.de>
2300
2301         * calls.c (initialize_argument_information): Handle SSA names like
2302         decls with a non MEM_P DECL_RTL.
2303
2304 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2305
2306         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2307         * ipa-utils.c: Likewise.
2308         * ipa-type-escape.c: Likewise.
2309         * cgraphunit.c Do not include c-common.h.
2310         * ipa-pure-const.c: Likewise.
2311         * tree-if-conv.c: Likewise.
2312         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2313         * ipa-struct-reorg.c: Likewise.
2314         * tree-nomudflap.c: Likewise.
2315         * tree-ssa-structalias.c: Likewise.
2316
2317 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
2318
2319         * store-motion.c: Many cleanups to make this pass a first-class
2320         citizen instead of an appendix to gcse load motion.  Add TODO list
2321         to make this pass faster/cleaner/better.
2322
2323         (struct ls_expr): Post gcse.c-split cleanups.
2324         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
2325         "stores" field to "avail_stores".
2326         (pre_ldst_mems): Rename to store_motion_mems.
2327         (pre_ldst_table): Rename to store_motion_mems_table.
2328         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2329         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2330         (ldst_entry): Rename to st_expr_entry, update users.
2331         (free_ldst_entry): Rename to free_st_expr_entry, update users.
2332         (free_ldst_mems): Rename to free_store_motion_mems, update users.
2333         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2334         update caller.
2335         (first_ls_expr): Rename to first_st_expr, update users.
2336         (next_ls_expr): Rename to next_st_expr, update users.
2337         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
2338         fields properly for store motion instead of names inherited from load
2339         motion in gcse.c.
2340         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2341         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
2342         are done with it.
2343
2344         (ae_kill): Rename to st_kill, update users.
2345         (ae_gen): Rename to st_avloc, update users.
2346         (transp): Rename to st_transp, update users.
2347         (pre_insert_map): Rename to st_insert_map, update users.
2348         (pre_delete_map): Rename to st_delete_map, update users.
2349         (insert_store, build_store_vectors, free_store_memory,
2350         one_store_motion_pass): Update for abovementioned changes.
2351
2352         (gcse_subst_count, gcse_create_count): Remove.
2353         (one_store_motion_pass): New statistics counters "n_stores_deleted"
2354         and "n_stores_created", local variables.
2355
2356         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2357         use for_each_rtx.
2358
2359         (regvec, compute_store_table_current_insn): Remove.
2360         (reg_set_info, reg_clear_last_set): Remove.
2361         (compute_store_table): Use DF caches instead of local dataflow
2362         solvers.
2363
2364 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
2365
2366         * c-objc-common.c (c_tree_printer): Print identifiers with
2367         pp_identifier, not pp_string.  Mark "({anonymous})" for
2368         translation.
2369         * c-pretty-print.c (pp_c_ws_string): New.
2370         (pp_c_cv_qualifier, pp_c_type_specifier,
2371         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2372         pp_c_storage_class_specifier, pp_c_function_specifier,
2373         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2374         pp_c_primary_expression, pp_c_postfix_expression,
2375         pp_c_unary_expression, pp_c_shift_expression,
2376         pp_c_relational_expression, pp_c_equality_expression,
2377         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2378         use pp_string and pp_c_ws_string in place of pp_identifier and
2379         pp_c_identifier for non-identifiers.  Mark English strings for
2380         translation.
2381         * c-pretty-print.h (pp_c_ws_string): Declare.
2382
2383 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
2384             Roland McGrath <roland@redhat.com>
2385
2386         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2387         (ENABLE_LD_BUILDID): New configuration option.
2388         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2389         (LINK_BUILDID_SPEC): New macro.
2390         (init_spec): If defined, prepend it between LINK_EH_SPEC and
2391         link_spec.
2392         * doc/install.texi: Document --enable-linker-build-id option.
2393         * configure: Rebuild.
2394         * config.in: Rebuild.
2395
2396 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
2397
2398         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2399         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2400         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
2401         MIPS_GP_SAVE_AREA_SIZE.
2402         * config/mips/mips.c (struct mips_frame_info): Update comment
2403         before arg_pointer_offset and hard_frame_pointer_offset.
2404         (mips_compute_frame_info): Update diagram before function: to
2405         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2406         indicate the position of frame_pointer_rtx with -fstack-protector and
2407         to show args_size.  Don't allocate cprestore area for leaf functions
2408         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
2409         cprestore_size.
2410         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2411
2412 2009-04-30  Michael Matz  <matz@suse.de>
2413
2414         PR tree-optimization/39955
2415         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2416
2417 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
2418
2419         * ira.c (setup_cover_and_important_classes):  Use safe macro
2420         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2421         directly.
2422         * genpreds.c (write_tm_preds_h):  Output suitable definition of
2423         REG_CLASS_FOR_CONSTRAINT.
2424
2425 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2426
2427         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2428         instead of an int.
2429         * bitmap.c (bitmap_descriptor): Likewise.
2430         * ggc-common.c (loc_descriptor): Likewise.
2431         * varray.c (varray_descriptor): Likewise.
2432         * vec.c (vec_descriptor): Likewise.
2433
2434 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
2435
2436         * Makefile.in (dce.o): Add $(EXCEPT_H).
2437         * dce.c: Include except.h and delete redundant vector definitions.
2438         (deletable_insn_p): Return false for non-call insns that can throw
2439         if DF is running.
2440
2441 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
2442
2443         * gcse.c (ae_gen): Remove.
2444         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2445         and make non-static function to make it available in store-motion.c.
2446         Update call sites with search-and-replace.
2447         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2448         extract_mentioned_regs, extract_mentioned_regs_helper,
2449         find_moveable_store, compute_store_table, load_kills_store, find_loads,
2450         store_killed_in_insn, store_killed_after, store_killed_before,
2451         build_store_vectors, insert_insn_start_basic_block, insert-store,
2452         remove_reachable_equiv_notes, replace_store_insn, delete_store,
2453         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2454         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2455         * store-motion.c: ...new file.  Also copy data structures from gcse.c
2456         and clean up to remove parts not used by store motion.
2457         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2458         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2459
2460 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2461
2462         PR target/38571
2463         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2464         when optimizing for size.
2465
2466 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
2467
2468         * gcse.c (gcse_constant_p): Fix typo in last change.
2469
2470 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
2471
2472         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2473
2474 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2475
2476         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2477
2478 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
2479
2480         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2481         CONST_HIGH_PART result.
2482
2483 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
2484
2485         * config/avr/avr.c (initial_elimination_offset): Rename to
2486         avr_initial_elimination_offset.
2487         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2488         change return type to bool.
2489         (avr_can_eliminate): New function.
2490         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2491         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2492         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2493         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2494         avr_initial_elimination_offset.
2495         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2496         (avr_initial_elimination_offset): Define.
2497
2498 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
2499             Steven Bosscher  <steven@gcc.gnu.org>
2500
2501         PR rtl-optimization/39938
2502         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2503         * cfgrtl.c: Include insn-attr.h.
2504         (rest_of_pass_free_cfg): New function.
2505         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2506         * resource.c (init_resource_info): Remove call to df_analyze.
2507
2508 2009-04-29  Richard Guenther  <rguenther@suse.de>
2509
2510         PR target/39943
2511         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2512         allow conversion to signed integers.
2513
2514 2009-04-29  Richard Guenther  <rguenther@suse.de>
2515
2516         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2517         shifts of floating point vectors if the shift amount is
2518         a constant multiple of the element size.
2519
2520 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2521             Michael Matz  <matz@suse.de>
2522
2523         PR middle-end/39927
2524         PR bootstrap/39929
2525         * tree-outof-ssa.c (emit_partition_copy): New function.
2526         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2527         insert_part_to_rtx_on_edge): Perform the partition base var
2528         copy using emit_partition_copy.
2529         (insert_value_copy_on_edge): Convert constants to the right mode.
2530         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2531         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2532
2533 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2534
2535         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2536         scan backwards to try to find a constant to initialize it.
2537
2538         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2539         insn before the loop_end instruction, don't look past labels.
2540
2541 2009-04-29  Richard Guenther  <rguenther@suse.de>
2542
2543         PR middle-end/39937
2544         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2545         loose type conversions.
2546         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
2547         stmts only if there are no uses of its definition.
2548
2549 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2550
2551         * config/bfin/bfin.h (splitting_loops): Declare.
2552         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2553         Reorder bit definitions to be ascending.
2554         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2555         * config/bfin/bfin.c (splitting_loops): New variable.
2556         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2557         (struct loop_info): Remove members INIT and LOOP_INIT.
2558         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
2559         the LSETUP sequence.  Allow LC to be loaded from any register, but
2560         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2561         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2562         set to 1.
2563         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2564         of reload_completed.
2565
2566         From Jie Zhang:
2567         * config/bfin/bfin.md (movsi_insn): Refine constraints.
2568
2569 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
2570
2571         * Makefile.in (PLUGIN_VERSION_H): New.
2572         (OBJS-common): Remove plugin-version.o.
2573         (plugin.o): Depend on (PLUGIN_VERSION_H).
2574         (plugin-version.o): Remove.
2575         * configure: Regenerate
2576         * configure.ac: Create plugin-version.h.
2577         * gcc-plugin.h (plugin_gcc_version): Remove.
2578         (plugin_default_version_check): Change signature.
2579         * plugin-version.c: Remove.
2580         * plugin.c: Include plugin-version.h.
2581         (str_plugin_gcc_version_name): Remove.
2582         (try_init_one_plugin): Pass gcc version to plugin_init.
2583         (plugin_default_version_check): Both gcc and plugin versions are now
2584         arguments.
2585
2586 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2587         
2588         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2589         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
2590         Remove special case testing for last insn of inner loops. Don't fail
2591         if the loop ends with a jump, emit an extra nop instead.
2592
2593         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2594         DREGS rather than comparing directly.  Remove code that tries to
2595         account for latencies.
2596
2597 2009-04-29  Richard Guenther  <rguenther@suse.de>
2598
2599         PR tree-optimization/39941
2600         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2601         eliminating an indirect call.
2602
2603 2009-04-29  Richard Guenther  <rguenther@suse.de>
2604
2605         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2606         parameter.  Allow invariants as base if !require_lvalue.
2607         (verify_gimple_assign_single): Adjust.
2608
2609 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2610
2611         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2612         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2613         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2614         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2615         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2616         a VEC_SELECT.
2617         * config/bfin/bfin.c (bfin_expand_builtin,
2618         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2619
2620 2009-04-28  Richard Guenther  <rguenther@suse.de>
2621
2622         * tree-vect-loop.c (get_initial_def_for_induction): Use
2623         correct types for pointer increment.
2624
2625 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2626
2627         * toplev.c (print_version): Update GMP version string calculation.
2628
2629 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
2630
2631         PR rtl-optimization/39938
2632         * resource.c (init_resource_info): Add call to df_analyze.
2633
2634 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2635
2636         * config/alpha/alpha.md (usegp): Cast the result of
2637         alpha_find_lo_sum_using_gp to enum attr_usegp.
2638         * config/alpha/alpha.c (override_options): Remove end-of-structure
2639         marker element from cpu_table.  Use array size of cpu_table to handle
2640         -mcpu and -mtune options.
2641         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2642
2643 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
2644
2645         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2646         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
2647         tune_32 and tune_64.
2648         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2649         support on PowerPC.
2650         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2651         * config/rs6000/option-defaults.h: ... here.  New file.
2652         (OPT_64, OPT_32): Define.
2653         (MASK_64BIT): Define to 0 if not already defined.
2654         (OPT_ARCH64, OPT_ARCH32): Define.
2655         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2656         and tune_64.
2657
2658 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2659
2660         * config/arm/arm.c (arm_override_options): Emit error on using
2661         fpa with AAPCS.
2662
2663 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2664
2665         PR rtl-optimization/39914
2666         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2667         registers for allocnos created from user-defined variables only
2668         when not optimizing.
2669
2670 2009-04-28  Richard Guenther  <rguenther@suse.de>
2671
2672         PR middle-end/39937
2673         * fold-const.c (fold_binary): Use distribute_real_division only
2674         on float types.
2675
2676 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
2677
2678         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2679         add hpux-stdint.h to tm_file.
2680         (hppa[12]*-*-hpux11*): Ditto.
2681         (ia64*-*-hpux*): Ditto.
2682         * config/hpux-stdint.h: New.
2683         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2684         __STDC_EXT__ for all compiles.
2685         * config/pa/pa-hpux.h: Ditto.
2686         * config/pa/pa-hpux10.h: Ditto.
2687         * config/pa/pa-hpux11.h: Ditto.
2688
2689 2009-04-28  Catherine Moore  <clm@codesourcery.com>
2690
2691         * debug.h (set_name): Add comment.
2692
2693 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
2694
2695         PR target/39929
2696         * config/darwin.c (machopic_gen_offset): Check
2697         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2698         * config/arm/arm.c (require_pic_register): Likewise.
2699
2700 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
2701
2702         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2703         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2704         m32c_promote_prototypes): Delete.
2705
2706 2009-04-28  Michael Matz  <matz@suse.de>
2707
2708         PR middle-end/39922
2709         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2710         constants.
2711
2712 2009-04-28  Richard Guenther  <rguenther@suse.de>
2713
2714         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2715
2716 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2717
2718         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2719         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2720         * config/arm/arm-tune.md: Regenerate.
2721
2722 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
2723
2724         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2725         block if there are complex incoming edges.
2726         (sel_merge_blocks): Remove useless assert.
2727         (sel_redirect_edge_and_branch): Check that edge was redirected.
2728         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2729         (sel_find_rgns): Delete declaration.
2730         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2731         the region when it is not a preheader.
2732
2733 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2734
2735         PR c/39323
2736         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2737
2738 2009-04-28  Richard Guenther  <rguenther@suse.de>
2739
2740         * tree.h (SSA_NAME_VALUE): Remove.
2741         (struct tree_ssa_name): Remove value_handle member.
2742         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2743         array for jump threading.
2744         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2745         SSA_NAME_VALUEs.
2746         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2747         * tree-flow.h (threadedge_initialize_values): Declare.
2748         (threadedge_finalize_values): Likewise.
2749         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2750         (SSA_NAME_VALUE): Define.
2751         (threadedge_initialize_values): New function.
2752         (threadedge_finalize_values): Likewise.
2753         * tree-ssa-dom.c (ssa_name_values): New global variable.
2754         (SSA_NAME_VALUE): Define.
2755         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2756
2757 2009-04-28  Ira Rosen  <irar@il.ibm.com>
2758
2759         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2760         Use REPORT_VECTORIZED_LOCATIONS instead 
2761         REPORT_VECTORIZED_LOOPS.
2762         * tree-vectorizer.c (vect_verbosity_level): Make static.
2763         (vect_loop_location): Rename to vect_location.
2764         (vect_set_verbosity_level): Update comment.
2765         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2766         and vect_location.
2767         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2768         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2769         instead REPORT_UNVECTORIZED_LOOPS.
2770         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2771         and vect_loop_def to vect_external_def and vect_internal_def.
2772         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2773         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
2774         REPORT_UNVECTORIZED_LOCATIONS.
2775         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2776         and vect_used_in_loop and to vect_unused_in_scope and 
2777         vect_used_in_scope.
2778         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2779         (vect_verbosity_level): Remove declaration.
2780         (vect_analyze_operations): Likewise.
2781         (vect_analyze_stmt): Declare.
2782         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2783         REPORT_UNVECTORIZED_LOCATIONS.
2784         (vect_get_loop_niters): Fix indentation.
2785         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2786         (vect_analyze_loop_operations): New function.
2787         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2788         vect_analyze_operations.
2789         (vect_is_simple_reduction): Use new names.
2790         (vectorizable_live_operation, vect_transform_loop): Likewise.
2791         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2792         to specify whether the data references can be a part of interleaving
2793         chain.
2794         (vect_analyze_data_ref_dependence): Use new names.
2795         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2796         (vect_create_addr_base_for_vector_ref): Remove redundant code.
2797         * tree-vect-patterns.c (widened_name_p): Use new names.
2798         (vect_recog_dot_prod_pattern): Likewise.
2799         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2800         (process_use, vect_mark_stmts_to_be_vectorized, 
2801         vect_model_simple_cost, vect_model_store_cost,
2802         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2803         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2804         vectorizable_operation, vectorizable_type_demotion,
2805         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2806         vectorizable_condition): Likewise.
2807         (vect_analyze_operations): Split into vect_analyze_loop_operations
2808         and ...
2809         (vect_analyze_stmt): ... new function.
2810         (new_stmt_vec_info): Use new names.
2811         (vect_is_simple_use): Use new names and fix comment.
2812         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2813         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2814
2815 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
2816
2817         PR target/39911
2818         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2819         and integer modes for x87 operands.  Do not ICE for unsupported size,
2820         generate error instead.  Generate error for unsupported operand types.
2821         ['z']: Do not handle HImode memory operands specially.  Warning
2822         for floating-point operands.  Fallthru to 'Z' for unsupported operand
2823         types.  Do not ICE for unsupported size, generate error instead.
2824         (output_387_binary_op): Use %Z to output operands.
2825         (output_fp_compare): Ditto.
2826         (output_387_reg_move): Ditto.
2827
2828 2009-04-28  Ben Elliston  <bje@au.ibm.com>
2829
2830         PR c++/35652
2831         Revert:
2832
2833         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2834
2835         * builtins.c (c_strlen): Do not warn here.
2836         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2837         * c-common.c (pointer_int_sum): Take an explicit location.
2838         Warn about offsets out of bounds.
2839         * c-common.h (pointer_int_sum): Adjust declaration.
2840
2841 2009-04-27  Ian Lance Taylor  <iant@google.com>
2842
2843         * collect2.c (is_ctor_dtor): Change type of ret field in struct
2844         names to symkind.
2845         * dce.c (run_fast_df_dce): Change type of old_flags to int.
2846         * df-core.c (df_set_flags): Change return type to int.  Change
2847         type of old_flags to int.
2848         (df_clear_flags): Likewise.
2849         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2850         (df_get_conditional_uses): Likewise.
2851         * df.h (df_set_flags, df_clear_flags): Update declarations.
2852         * dwarf2out.c (struct indirect_string_node): Change type of form
2853         field to enum dwarf_form.
2854         (AT_string_form): Change return type to enum dwarf_form.
2855         * fixed-value.c (fixed_compare): Add cast to enum type.
2856         * fwprop.c (update_df): Change 0 to VOIDmode.
2857         * gensupport.c: Change 0 to UNKNOWN.
2858         * gimple.h (gimple_cond_code): Add cast to enum type.
2859         * haifa-sched.c (reemit_notes): Add cast to enum type.
2860         * hooks.c (hook_int_void_no_regs): Remove function.
2861         * hooks.h (hook_int_void_no_regs): Remove declaration.
2862         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2863         * predict.c (combine_predictions_for_insn): Add casts to enum type.
2864         * real.c (real_arithmetic): Add cast to enum type.
2865         (real_compare): Likewise.
2866         * target.h (struct gcc_target): Change return type of
2867         branch_target_register_class to enum reg_class.
2868         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2869         default_branch_target_register_class.
2870         * targhooks.c (default_branch_target_register_class): New function.
2871         * targhooks.h (default_branch_target_register_class): Declare.
2872         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2873         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2874         cast to int.
2875         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2876         ERROR_MARK.
2877         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2878         vect_uninitialized_def.  Change 0 to ERROR_MARK.
2879         * tree-vect-stmts.c (supportable_widening_operation): Don't
2880         initialize icode1 and icode2.
2881         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2882         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2883         and to STD_C89.
2884         (cmn_err_flag_specs): Change 0 to STD_C89.
2885         (cmn_err_char_table): Likewise.
2886         * config/arm/arm.c (get_arm_condition_code): Change type of code
2887         to enum arm_cond_code.
2888         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2889         (IWMMXT_BUILTIN2): Likewise.
2890         (neon_builtin_type_bits): Don't define typedef.
2891         (neon_builtin_datum): Change type of bits field to int.
2892         (arm_expand_neon_args): Add cast to enum type.
2893         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2894         TLS_MODEL_NONE.
2895         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
2896         casts to enum type.
2897         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2898         MIPS_FP_COND_f.
2899         * config/mips/mips.md (jal_macro): Return enum constant.
2900         (single_insn): Likewise.
2901         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2902         CODE_FOR_nothing.
2903         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2904         casts to enum type.
2905         * config/s390/s390.c (s390_tune_flags): Change type to int.
2906         (s390_arch_flags): Likewise.
2907         (s390_handle_arch_option): Change flags field of struct pta to int.
2908         * config/s390/s390.h (s390_tune_flags): Update declaration.
2909         (s390_arch_flags): Likewise.
2910         * config/sh/sh.c (prepare_move_operands): Compare
2911         tls_symbolic_operand result with enum constant.
2912         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2913         (sh_expand_prologue): Add cast to enum type.
2914         (sh_expand_epilogue): Likewise.
2915         (tls_symbolic_operand): Change return type to enum tls_model.
2916         (fpscr_set_from_mem): Add cast to enum type.
2917         (legitimize_pic_address): Compare tls_symbolic_operand result with
2918         enum constant.
2919         (sh_target_reg_class): Change return type to enum reg_class.
2920         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2921         PROCESSOR_xxx.
2922         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2923         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2924         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2925         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2926         (delayed_branch, tls_call_delay): Likewise.
2927         (eligible_for_sibcall_delay): Likewise.
2928         (eligible_for_return_delay): Likewise. 
2929         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2930         (spu_expand_builtin_1): Likewise.
2931
2932         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2933         for all types of conversions.
2934         (output_init_element): Issue -Wc++-compat warning if needed when
2935         initializing a bitfield with enum type.
2936         * c-parser.c (c_parser_expression): Set original_type to
2937         original_type of right hand operand of comman operator.
2938
2939 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2940
2941         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2942         grammar nits.
2943         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2944         * doc/cpp.texi (Standard Predefined Macros)
2945         (Implementation-defined behavior): Likewise.
2946         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2947         * doc/gimple.texi (GIMPLE Exception Handling)
2948         (@code{GIMPLE_ASSIGN}): Likewise.
2949         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2950         * doc/invoke.texi (Warning Options, Optimize Options)
2951         (AVR Options, Darwin Options): Likewise.
2952         (Optimize Options): Reformulate -fwhole-program description.
2953         * doc/loop.texi (Lambda): Likewise.
2954         * doc/md.texi (Output Template, Define Constraints)
2955         (Standard Names, Insn Splitting): Likewise.
2956         * doc/options.texi (Option properties): Likewise.
2957         * doc/passes.texi (Tree-SSA passes): Likewise.
2958         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2959         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2960         (File Names and DBX): Likewise.
2961         * doc/trouble.texi (Incompatibilities): Likewise.
2962
2963 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2964
2965         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2966         instruction is correct.
2967
2968 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2969
2970         Allow non-constant arguments to conversion intrinsics.
2971         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2972         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2973         * spu.c (print_operand): Handle 'v' and 'w'.
2974         (exp2_immediate_p, spu_gen_exp2): Define.
2975         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2976         spu_convtf_1): Update parameter descriptions.
2977         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2978         * constraints.md ('v', 'w'): New.
2979         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2980         Remove.
2981         (i2f, I2F): New define_mode_attr.
2982         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2983         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2984         fixuns_truncv4sfv4si2):  Update to use mode attribute.
2985         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2986         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2987         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2988         patterns for combine.
2989
2990 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
2991
2992         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
2993         (cprop, hoist, pre, store_motion): New debug counters.
2994         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
2995         is not an RTL pass anymore.
2996         (pass_profiling): Remove extern decl for pass removed in 2005.
2997         (pass_gcse, pass_jump_bypass): Remove.
2998         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
2999         to 0 for clean state.
3000         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
3001         * cse.c (gate_handle_cse_after_global_opts,
3002         rest_of_handle_cse_after_global_opts): New functions.
3003         (pass_cse_after_global_opts): New pass, does local CSE.
3004         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
3005         (TV_CPROP): New timevar.
3006         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
3007         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
3008         (gcse_main, recompute_all_luids): Remove.
3009         (compute_hash_table_work): Call max_reg_num instead of reading
3010         max_gcse_regno.
3011         (cprop_jump): Don't set run_jump_opt_after_gcse.
3012         (constprop_register): Always allow to alter jumps.
3013         (cprop_insn): Likewise.
3014         (do_local_cprop): Likewise.
3015         (local_cprop_pass): Likewise.  Return non-zero if something changed.
3016         (cprop): Remove function, fold interesting bits into one_cprop_pass.
3017         (find_implicit_sets): Add note about missed optimization opportunity.
3018         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
3019         pass_rtl_cprop execute function.
3020         Don't bother tracking the pass number, each pass gets its own dumpfile
3021         now anyway.
3022         Always allow to alter jumpsand bypass jumps.
3023         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
3024         will just find no suitable set.
3025         (pre_edge_insert): Fix dumping, this function is for PRE only.
3026         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
3027         pass_rtl_pre execute function.
3028         (hoist_code): Return non-zero if something changed.  Keep track of
3029         substitutions and insertions for statistics gathering similar to PRE.
3030         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
3031         called from the pass_rtl_hoist execute function.  Show pass statistics.
3032         (compute_store_table): Use max_reg_num directly instead of using the
3033         formerly global max_gcse_regno.
3034         (build_store_vectors): Likewise.
3035         (replace_store_insn): Fix dumping.
3036         (store_motion): Rename to ...
3037         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
3038         pass, called from the pass_rtl_store_motion execute function.  Keep
3039         track of substitutions and insertions for statistics gathering similar
3040         to PRE.
3041         (bypass_jumps): Remove, fold interesting bits into ...
3042         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
3043         from the pass_rtl_cprop execute function.
3044         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3045         pass_jump_bypass): Remove.
3046         (gate_handle_gcse, rest_of_handle_gcse): Remove.
3047         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
3048         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
3049         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
3050         (gate_rtl_store_motion, execute_rtl_store_motion,
3051         pass_rtl_store_motion): New.
3052         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
3053         make it clear that -fcse-skip-blocks is a no-op for backward compat.
3054         * passes.c (init_optimization_passes): Remove pass_gcse and
3055         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
3056         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
3057         instead of pass_jump_bypass.
3058
3059 2009-04-27  Richard Guenther  <rguenther@suse.de>
3060
3061         PR middle-end/39928
3062         * gimplify.c (gimplify_expr): If we are required to create
3063         a temporary make sure it ends up as register.
3064
3065 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3066
3067         PR target/39903
3068         * config/i386/i386.c (construct_container): Don't call
3069         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
3070         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
3071
3072 2009-04-27  Michael Matz  <matz@suse.de>
3073
3074         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
3075         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
3076         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
3077         (dump_replaceable_exprs): Take a bitmap.
3078         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
3079         array.
3080         (expand_gimple_basic_block): Likewise.
3081         * tree-ssa-ter.c (struct temp_expr_table_d): Make
3082         replaceable_expressions member a bitmap.
3083         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
3084         (mark_replaceable): Likewise.
3085         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
3086         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
3087
3088 2009-04-27  Richard Guenther  <rguenther@suse.de>
3089
3090         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
3091         (verify_stmts): Dispatch to gimple/type verification code.
3092         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
3093         issue with call argument types.
3094
3095 2009-04-27  Michael Matz  <matz@suse.de>
3096
3097         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
3098         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
3099         to above.
3100
3101 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
3102             Eric Botcazou  <ebotcazou@adacore.com>
3103
3104         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
3105         a label's basic block.
3106         (mark_target_live_regs): Tidy and rework obsolete comments.
3107         Change back DF problem to LIVE.  If a label starts a basic block,
3108         assume that all registers that used to be live then still are.
3109         (init_resource_info): If a label starts a basic block, set its
3110         BLOCK_FOR_INSN accordingly.
3111         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
3112
3113 2009-04-27  Richard Guenther  <rguenther@suse.de>
3114
3115         * tree-flow-inline.h (function_ann): Remove.
3116         (get_function_ann): Likewise.
3117         * tree-dfa.c (create_function_ann): Remove.
3118         * tree-flow.h (struct static_var_ann_d): Remove.
3119         (struct function_ann_d): Likewise.
3120         (union tree_ann_d): Remove fdecl member.
3121         (function_ann_t): Remove.
3122         (function_ann, get_function_ann, create_function_ann): Remove
3123         declarations.
3124
3125 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
3126
3127         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
3128
3129 2009-04-27  Jan Hubicka  <jh@suse.cz>
3130
3131         * ipa-pure-const.c (struct funct_state_d): New fields
3132         state_previously_known, looping_previously_known; remove
3133         state_set_in_source.
3134         (analyze_function): Use new fields.
3135         (propagate): Avoid assumption that state_set_in_source imply
3136         nonlooping.
3137
3138         * tree-ssa-loop-niter.c (finite_loop_p): New function.
3139         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
3140         * cfgloop.h (finite_loop_p): Declare.
3141
3142 2009-04-26  Michael Matz  <matz@suse.de>
3143
3144         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
3145
3146 2009-04-26  Michael Matz  <matz@suse.de>
3147
3148         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
3149         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
3150         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
3151         pass_mark_used_blocks): Remove.
3152         * tree-optimize.c (pass_free_datastructures,
3153         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
3154         * passes.c (init_optimization_passes): Don't call
3155         pass_mark_used_blocks, remove dead code.
3156
3157 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
3158
3159         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
3160         * tree-ssa-live.h (register_ssa_partition): Likewise.
3161
3162 2009-04-26  Michael Matz  <matz@suse.de>
3163
3164         Expand from SSA.
3165         * builtins.c (fold_builtin_next_arg): Handle SSA names.
3166         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
3167         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
3168         SSA names. 
3169         (compare_pairs): Swap cost comparison.
3170         (coalesce_ssa_name): Don't use change_partition_var.
3171         * tree-nrv.c (struct nrv_data): Add modified member.
3172         (finalize_nrv_r): Set it.
3173         (tree_nrv): Use it to update statements.
3174         (pass_nrv): Require PROP_ssa.
3175         * tree-mudflap.c (mf_decl_cache_locals,
3176         mf_build_check_statement_for): Use make_rename_temp.
3177         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
3178         * alias.c (find_base_decl): Handle SSA names.
3179         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
3180         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
3181         * rtl.h (set_reg_attrs_for_parm): Declare.
3182         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
3183         to "optimized", remove unused locals at finish.
3184         (execute_free_datastructures): Make global, call
3185         delete_tree_cfg_annotations.
3186         (execute_free_cfg_annotations): Don't call
3187         delete_tree_cfg_annotations.
3188
3189         * ssaexpand.h: New file.
3190         * expr.c (toplevel): Include ssaexpand.h.
3191         (expand_assignment): Handle SSA names the same as register variables.
3192         (expand_expr_real_1): Expand SSA names.
3193         * cfgexpand.c (toplevel): Include ssaexpand.h.
3194         (SA): New global variable.
3195         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
3196         (SSAVAR): New macro.
3197         (set_rtl): New helper function.
3198         (add_stack_var): Deal with SSA names, use set_rtl.
3199         (expand_one_stack_var_at): Likewise.
3200         (expand_one_stack_var): Deal with SSA names.
3201         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
3202         before unique numbers.
3203         (expand_stack_vars): Use set_rtl.
3204         (expand_one_var): Accept SSA names, add asserts for them, feed them
3205         to above subroutines.
3206         (expand_used_vars): Expand all partitions (without default defs),
3207         then only the local decls (ignoring those expanded already).
3208         (expand_gimple_cond): Remove edges when jumpif() expands an
3209         unconditional jump.
3210         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
3211         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
3212         SSA name.
3213         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
3214         members of SA; deal with PARM_DECL partitions here; expand
3215         all PHI nodes, free tree datastructures and SA.  Commit instructions
3216         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
3217         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
3218         info and statements at start, collect garbage at finish.
3219         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3220         (VAR_ANN_PARTITION) Remove.
3221         (change_partition_var): Don't declare.
3222         (partition_to_var): Always return SSA names.
3223         (var_to_partition): Only accept SSA names.
3224         (register_ssa_partition): Only check argument.
3225         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3226         member.
3227         (delete_var_map): Don't free it.
3228         (var_union): Only accept SSA names, simplify.
3229         (partition_view_init): Mark only useful SSA names as used.
3230         (partition_view_fini): Only deal with SSA names.
3231         (change_partition_var): Remove.
3232         (dump_var_map): Use ssa_name instead of partition_to_var member.
3233         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3234         basic blocks.
3235         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3236         (struct _elim_graph): New member const_dests; nodes member vector of
3237         ints.
3238         (set_location_for_edge): New static helper.
3239         (create_temp): Remove.
3240         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
3241         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
3242         (new_elim_graph): Allocate const_dests member.
3243         (clean_elim_graph): Truncate const_dests member.
3244         (delete_elim_graph): Free const_dests member.
3245         (elim_graph_size): Adapt to new type of nodes member.
3246         (elim_graph_add_node): Likewise.
3247         (eliminate_name): Likewise.
3248         (eliminate_build): Don't take basic block argument, deal only with
3249         partition numbers, not variables.
3250         (get_temp_reg): New static helper.
3251         (elim_create): Use it, deal with RTL temporaries instead of trees.
3252         (eliminate_phi): Adjust all calls to new signature.
3253         (assign_vars, replace_use_variable, replace_def_variable): Remove.
3254         (rewrite_trees): Only do checking.
3255         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
3256         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
3257         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
3258         contains_tree_r, MAX_STMTS_IN_LATCH,
3259         process_single_block_loop_latch, analyze_edges_for_bb,
3260         perform_edge_inserts): Remove.
3261         (expand_phi_nodes): New global function.
3262         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
3263         functions, initialize new parameter, remember partitions having a
3264         default def.
3265         (finish_out_of_ssa): New global function.
3266         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
3267         don't reset in_ssa_p here, don't disable TER when mudflap.
3268         (pass_del_ssa): Remove.
3269         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
3270         partition members.
3271         (execute_free_datastructures): Declare.
3272         * Makefile.in (SSAEXPAND_H): New variable.
3273         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
3274         * basic-block.h (commit_one_edge_insertion): Declare.
3275         * passes.c (init_optimization_passes): Move pass_nrv and
3276         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
3277         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
3278         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
3279         (redirect_branch_edge): Deal with super block when expanding, split
3280         out jump patching itself into ...
3281         (patch_jump_insn): ... here, new static helper.
3282
3283 2009-04-26  Michael Matz  <matz@suse.de>
3284
3285         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
3286         beyond num_ssa_names.
3287         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
3288         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
3289
3290 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3291
3292         PR inline-asm/39543
3293         * fwprop.c (forward_propagate_asm): New function.
3294         (forward_propagate_and_simplify): Propagate also into __asm, if it
3295         doesn't increase the number of referenced registers.
3296
3297         PR c/39889
3298         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3299
3300 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
3301
3302         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3303         note_nonlocal_vla_type for nonlocal VLAs.
3304         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3305         contains_remapped_vars, remap_vla_decls): New functions.
3306         (convert_nonlocal_reference_stmt): If not optimizing, call
3307         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3308         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3309         if it wasn't found in var_map.
3310         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
3311         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3312         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3313         declare_vars.
3314         * gimplify.c (nonlocal_vlas): New variable.
3315         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3316         referenced VLAs.
3317         (gimplify_body): Create and destroy nonlocal_vlas.
3318
3319         * dwarf2out.c (loc_descr_plus_const): New function.
3320         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3321         mem_loc_descriptor, loc_descriptor_from_tree_1,
3322         descr_info_loc, gen_variable_die): Use it.
3323
3324         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3325         !TREE_STATIC VAR_DECLs.
3326         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3327         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3328         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
3329         DECL_BY_REFERENCE is valid.
3330         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3331         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3332         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3333         Copy DECL_BY_REFERENCE.
3334         (struct nesting_copy_body_data): New type.
3335         (nesting_copy_decl): New function.
3336         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3337         if they have variable length.
3338
3339 2009-04-26  Michael Matz  <matz@suse.de>
3340
3341         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3342         mark new temporaries for renaming.
3343
3344 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3345
3346         PR c/39581
3347         * c-decl.c (global_bindings_p): Return negative value.
3348         (c_variable_size): New.  Based on variable_size from
3349         stor-layout.c.
3350         (grokdeclarator): Call c_variable_size not variable_size.
3351
3352 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
3353
3354         * config/i386/i386.c (print_operand) ['z']: Fix typo.
3355
3356 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
3357
3358         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3359         Redefine it to just use mingw/include.
3360         (ASM_SPEC): Rules for -m32 and -m64.
3361         (LINK_SPEC): Use Likewise.
3362         (SPEC_32): New define.
3363         (SPEC_64): Likewise.
3364         (SUB_LINK_SPEC): Likewise.
3365         (MULTILIB_DEFAULTS): New define.
3366         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3367         Add multilib options.
3368         (MULTILIB_DIRNAMES): Likewise.
3369         (MULTILIB_OSDIRNAMES): Likewise.
3370         (LIBGCC): Likewise.
3371         (INSTALL_LIBGCC): Likewise.
3372
3373 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
3374
3375         PR c/39556
3376         * c-tree.h (enum c_inline_static_type): New.
3377         (record_inline_static): Declare.
3378         * c-decl.c (struct c_inline_static, c_inline_statics,
3379         record_inline_static, check_inline_statics): New.
3380         (pop_file_scope): Call check_inline_statics.
3381         (start_decl): Call record_inline_static instead of pedwarning
3382         directly for static in inline function.
3383         * c-typeck.c (build_external_ref): Call record_inline_static
3384         instead of pedwarning directly for static referenced in inline
3385         function.
3386
3387 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
3388
3389         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3390         not new but only being rescanned.
3391         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3392         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3393         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3394         record_set_info, compute_set, grealloc): Remove.
3395         (recompute_all_luids): New function.
3396         (gcse_main): Don't compute sets, and don't do related memory
3397         allocations/free-ing.  If something changed before the end of the
3398         pass, update LUIDs using recompute_all_luids.
3399         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
3400         (free_gcse_mem): Don't free it either.
3401         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3402         Use the df insn LUIDs.
3403         (load_killed_in_block): Likewise.
3404         (compute_hash_table_work): Don't compute reg_set_in_block.
3405         (compute_transp): Use DF_REG_DEF_CHAINs.
3406         (local_cprop_pass): Don't use compute_sets and related functions.
3407         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3408         Use get_max_uid() instead of max_cuid.
3409         (insert_insn_end_basic_block, pre_insert_copy_insn,
3410         update_ld_motion_stores): Don't try to
3411         keep reg_set tables up to date.
3412         (pre_insert_copies): Use df insn LUIDs.
3413         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3414         (reg_set_info): Don't use extra bitmap argument.
3415         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
3416         information to compute regs_set_in_block.
3417         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3418         (bypass_jumps): Don't use compute_sets and friends.
3419
3420 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3421
3422         PR testsuite/39710
3423         * opts.c (undocumented_msg): Do not leave blank even with
3424         ENABLE_CHECKING.
3425
3426 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3427
3428         * c-decl.c (build_enumerator): Allow values folding to integer
3429         constants but not integer constant expressions with a pedwarn if
3430         pedantic.
3431
3432 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3433
3434         PR c/39582
3435         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3436         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3437         type is an integer constant.
3438
3439 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3440
3441         PR target/39897
3442         * config/i386/i386.c (print_operand) ['z']: Revert handling of
3443         HImode operands.
3444
3445 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
3446
3447         PR c/39564
3448         * c-decl.c (grokdeclarator): Diagnose declarations of functions
3449         with variably modified return type and no storage class
3450         specifiers, except for the case of nested functions.  Distinguish
3451         extern declarations of functions with variably modified return
3452         types from those of objects with variably modified types.
3453
3454 2009-04-25  Jan Hubicka  <jh@suse.cz>
3455
3456         * tree.c (list_equal_p): New function.
3457         * tree.h (list_equal_p): Declare.
3458         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3459         basic_block_def, basic_block, const_basic_block): New.
3460         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3461         (redirect_eh_edge): New function.
3462         (make_eh_edge_update_phi): EH edges are not abnormal.
3463         * except.c: Include tree-flow.h.
3464         (list_match): New function.
3465         (eh_region_replaceable_by_p): New function.
3466         (replace_region): New function.
3467         (hash_type_list): New function.
3468         (hash_eh_region): New function.
3469         (eh_regions_equal_p): New function.
3470         (merge_peers): New function.
3471         (remove_unreachable_regions): Verify EH tree when checking;
3472         merge peers.
3473         (copy_eh_region_1): New function.
3474         (copy_eh_region): New function.
3475         (push_reachable_handler): New function.
3476         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3477         regions without label but with live RESX.
3478         * except.h (redirect_eh_edge_to_label): New.
3479         * tree-flow.h (redirect_eh_edge): New.
3480         * coretypes.h (edge_def, edge, const_edge, basic_block_def
3481         basic_block_def, basic_block, const_basic_block): Remove.
3482         * Makefile.in (except.o): Add dependency on tree-flow.h
3483         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3484         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3485         Remove.
3486
3487 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
3488
3489         PR bootstrap/39645
3490         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3491         on the destination of memcpy.
3492
3493 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
3494
3495         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3496         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3497         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3498
3499 2009-04-25  Jan Hubicka  <jh@suse.cz>
3500
3501         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3502         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3503         to be reached by different label than left.
3504         (update_eh_edges): Update comment; remove edge_to_remove if possible
3505         and return true if suceeded.
3506         (cleanup_empty_eh): Accept sharing map; handle shared regions.
3507         (cleanup_eh): Compute sharing map.
3508         * except.c (remove_eh_handler_and_replace): Add argument if we should
3509         update regions.
3510         (remove_unreachable_regions): Update for label sharing.
3511         (label_to_region_map): Likewise.
3512         (get_next_region_sharing_label): New function.
3513         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3514         prev_try pointers.
3515         (remove_eh_handler): Update.
3516         (remove_eh_region_and_replace_by_outer_of): New function.
3517         * except.h (struct eh_region): Add next_region_sharing_label.
3518         (remove_eh_region_and_replace_by_outer_of,
3519         get_next_region_sharing_label): Declare.
3520         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3521
3522 2009-04-25  Jan Hubicka  <jh@suse.cz>
3523
3524         * tree-cfg.c (split_critical_edges): Split also edges where we can't
3525         insert code even if they are not critical.
3526
3527 2009-04-25  Jan Hubicka  <jh@suse.cz>
3528
3529         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3530         (gimple_can_remove_branch_p): EH edges won't remove branch by
3531         redirection.
3532         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3533         updating of non-abnormal EH edges.
3534         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3535         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3536         (split_critical_edges): Split also edges where emitting code on them
3537         will lead to splitting later.
3538
3539 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
3540             H.J. Lu  <hongjiu.lu@intel.com>
3541
3542         PR target/39590
3543         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3544         the configured assembler supports fildq and fistpq mnemonics.
3545         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3546         * configure: Regenerated.
3547         * config.in: Ditto.
3548
3549         * config/i386/i386.c (print_operand): Handle 'Z'.
3550         ['z']: Remove handling of special fild/fist suffixes.
3551         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3552         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3553         suffix of fild insn.
3554         (*floatsi<mode>2_vector_mixed): Ditto.
3555         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3556         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3557         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3558         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3559         * config/i386/gas.h (GAS_MNEMONICS): Remove.
3560
3561 2009-04-25  Ben Elliston  <bje@au.ibm.com>
3562  
3563         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3564         the source of a set operation.
3565
3566 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
3567
3568         * target.h (struct gcc_target): Add case_values_threshold field.
3569         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3570         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3571         * targhooks.c (default_case_values_threshold): New function.
3572         * targhooks.h (default_case_values_threshold): Declare function.
3573         * stmt.c (expand_case): Use case_values_threshold target hook.
3574         * expr.h (case_values_threshold): Remove declartation.
3575         * expr.c (case_values_threshold): Remove function.
3576         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3577
3578         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3579         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3580         (avr_case_values_threshold): Declare as static.
3581         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3582
3583         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3584         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3585         (mn10300_case_values_threshold): New function.
3586
3587 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3588
3589         * ira.c (setup_cover_and_important_classes): Add enum cast.
3590
3591 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3592
3593         * genpreds.c (write_enum_constraint_num): Output definition of
3594         CONSTRAINT_NUM_DEFINED_P macro.
3595         * ira.c (setup_cover_and_important_classes): Use
3596         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3597         
3598 2009-04-24  DJ Delorie  <dj@redhat.com>
3599
3600         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3601         __SH2A_SINGLE_ONLY__ also.
3602
3603 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
3604
3605         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3606         (movdf_internal): Ditto.
3607         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3608         SFmode and DFmode constants.
3609         (ia64_print_operand): Add 'G' format for printing
3610         floating point constants.
3611
3612 2009-04-24  Richard Guenther  <rguenther@suse.de>
3613
3614         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3615         from unsigned additions.
3616
3617 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
3618
3619         * c-typeck.c (set_init_index): Allow array designators that are
3620         not integer constant expressions with a pedwarn if pedantic.
3621
3622 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3623
3624         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3625         zero if no overlap in nonzero bits between the operands.
3626
3627 2009-04-24  Ian Lance Taylor  <iant@google.com>
3628
3629         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3630         (record_dead_and_set_regs): Likewise.
3631         * df.h (struct df_mw_hardreg): Change flags field to int.
3632         (struct df_base_ref): Likewise.
3633         (struct df): Change changeable_flags field to int.
3634         * df-scan.c (df_defs_record): Change clobber_flags to int.
3635         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3636         constants rather than #define macros.
3637         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3638         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3639         (enum dwarf_calling_convention): Likewise.
3640         (enum dwarf_line_number_x_ops): Likewise.
3641         (enum dwarf_call_frame_info): Likewise.
3642         (enum dwarf_source_language): Likewise.
3643         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3644         (add_calling_convention_attribute): Likewise.
3645         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3646         (combine_comparisons): Change compcode to int.  Add cast to enum type.
3647         * genrecog.c (maybe_both_true_2): Change c to int.
3648         (write_switch): Likewise.  Add cast to enum type.
3649         * gimplify.c (gimplify_omp_for): Handle return values from
3650         gimplify_expr using MIN rather than bitwise or.
3651         (gimplify_expr): Add cast to enum type.
3652         * ipa-prop.c (update_jump_functions_after_inlining): Change
3653         IPA_BOTTOM to IPA_JF_UNKNOWN.
3654         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3655         Add casts to enum type.
3656         (setup_cover_and_important_classes): Change cl to int.  Add casts
3657         to enum type.
3658         (setup_class_translate): Change cl and mode to int.
3659         (ira_init_once): Change mode to int.
3660         (free_register_move_costs): Likewise.
3661         (setup_prohibited_mode_move_regs): Add casts to enum type.
3662         * langhooks.c (add_builtin_function_common): Rework assertion that
3663         value fits bitfield.
3664         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3665         * omega.c (omega_do_elimination): Avoid math on enum types.
3666         * optabs.c (expand_vec_shift_expr): Remove casts to int.
3667         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
3668         int local to handle integral_argment value.
3669         * regmove.c (try_auto_increment): Change PUT_MODE to
3670         PUT_REG_NOTE_KIND.
3671         * reload.c (push_secondary_reload): Add casts to enum type.
3672         (secondary_reload_class, find_valid_class): Likewise.
3673         * reload1.c (emit_input_reload_insns): Likewise.
3674         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3675         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3676         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3677         constant.
3678         * tree.c (build_common_builtin_nodes): Add casts to enum type.
3679         * tree-complex.c (complex_lattice_t): Typedef to int rather than
3680         enum type.
3681         (expand_complex_libcall): Add casts to enum type.
3682         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3683         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3684         with ERROR_MARK, not NUM_TREE_CODES.
3685         (vect_create_epilog_for_reduction): Likewise.
3686         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3687         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3688         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3689         enum machine_mode.
3690         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3691         vect_unused_in_loop.  Change 0 to loop_vect.
3692         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3693         * var-tracking.c (get_init_value): Change return type to enum
3694         var_init_status.
3695         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3696         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3697         arm_fp_model.
3698         (arm_override_options): Add casts to enum type.
3699         (arm_emit_tls_decoration): Likewise.
3700         * config/i386/i386.c (ix86_function_specific_restore): Add casts
3701         to enum type.
3702         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3703         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3704         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3705         enum type.
3706         * config/s390/s390.c (code_for_builtin_64): Change to array of
3707         enum insn_code.
3708         (code_for_builtin_31): Likewise.
3709         (s390_expand_builtin): Change code_for_builtin to enum insn_code
3710         const *.
3711         * config/sparc/sparc.c (sparc_override_options): Change value
3712         field in struct code_model to enum cmodel.  In initializer change
3713         0 to NULL and add cast to enum type.
3714
3715         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3716         Change all callers.  Issue a -Wc++-compat warning using
3717         lhs_origtype if necessary.
3718         (convert_for_assignment): Issue -Wc++-compat warnings about
3719         invalid conversions to enum type on assignment.
3720         * c-common.h (build_modify_expr): Update declaration.
3721
3722 2009-04-24  Nick Clifton  <nickc@redhat.com>
3723
3724         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3725         (function_arg_advance): Likewise.
3726         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3727         5th alternative.
3728
3729 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3730
3731         * config/s390/constraints.md ('I', 'J'): Fix condition.
3732
3733 2009-04-24  Diego Novillo  <dnovillo@google.com>
3734
3735         * gengtype-parse.c (parse_error): Add newline after message.
3736
3737 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3738
3739         * config/i386/sse.md (avxmodesuffixs): Removed.
3740         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3741         (*avx_pinsr<ssevecsize>): This.
3742
3743 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3744
3745         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3746         follow chains of regs with a single definition, and allow expressions
3747         that are function_invariant_p.
3748         (simple_rhs_p): Allow expressions that are function_invariant_p.
3749
3750 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
3751
3752         PR middle-end/39867
3753         * fold-const.c (fold_cond_expr_with_comparison): When folding
3754         > and >= to MAX, make sure the MAX uses the same type as the
3755         comparison's operands.
3756
3757 2009-04-24  Nick Clifton  <nickc@redhat.com>
3758
3759         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3760         addressing for DImode accesses.
3761         (frv_print_operand_address): Handle PLUS case.
3762         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3763
3764 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
3765
3766         PR rtl-optimization/39794
3767         * alias.c (canon_true_dependence): Add x_addr argument.
3768         * rtl.h (canon_true_dependence): Adjust prototype.
3769         * cse.c (check_dependence): Adjust canon_true_dependence callers.
3770         * cselib.c (cselib_invalidate_mem): Likewise.
3771         * gcse.c (compute_transp): Likewise.
3772         * dse.c (scan_reads_nospill): Likewise.
3773         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
3774         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3775         canon_base_addr of the group, plus optional offset.
3776         (struct group_info): Rename canon_base_mem to
3777         canon_base_addr.
3778         (get_group_info): Set canon_base_addr to canon_rtx of base, not
3779         canon_rtx of base_mem.
3780
3781 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
3782
3783         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3784         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3785
3786 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3787
3788         * config/spu/spu-builtins.h: Delete file.
3789
3790         * config/spu/spu.h (enum spu_builtin_type): Move here from
3791         spu-builtins.h.
3792         (struct spu_builtin_description): Likewise.  Add GTY marker.
3793         Do not use enum spu_function_code or enum insn_code.
3794         (spu_builtins): Add extern declaration.
3795
3796         * config/spu/spu.c: Do not include "spu-builtins.h".
3797         (enum spu_function_code, enum spu_builtin_type_index,
3798         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3799         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3800         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3801         unsigned_V2DI_type_node): Move here from spu-builtins.h.
3802         (spu_builtin_types): Make static.  Add GTY marker.
3803         (spu_builtins): Add extern declaration with GTY marker.
3804         Include "gt-spu.h".
3805
3806         * config/spu/spu-c.c: Do not include "spu-builtins.h".
3807         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3808         Check programmatically whether all parameters are scalar.
3809
3810         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3811
3812 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
3813
3814         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3815         assignment from the constructor either if the target is volatile.
3816
3817 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
3818
3819         * config/arm/arm.md (insv): Do not share operands[0].
3820
3821 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
3822
3823         * config/vxlib-tls.c (active_tls_threads): Delete.
3824         (delete_hook_installed): New.
3825         (tls_delete_hook): Don't delete the delete hook.
3826         (tls_destructor): Delete it here.
3827         (__gthread_set_specific): Adjust installing the delete hook.
3828         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3829         __gthread_leave_tsd_dtor_context.
3830
3831 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
3832
3833         * c-format.c (gcc_tdiag_char_table): Add support for %E.
3834
3835 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
3836
3837         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3838         enum type.
3839         (alpha_rtx_costs): Ditto.
3840         (emit_unlikely_jump): Use add_reg_note.
3841         (emit_frame_store_1): Ditto.
3842         (alpha_expand_prologue): Ditto.
3843         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3844         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3845
3846 2009-04-23  Nick Clifton  <nickc@redhat.com>
3847
3848         * config/v850/v850.md (epilogue): Remove suppressed code.
3849         (return): Rename to return_simple and remove test of frame size.
3850         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3851         to gen_return_simple.
3852
3853 2009-04-22  Jing Yu  <jingyu@google.com>
3854
3855         PR testsuite/39781
3856         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3857
3858 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3859
3860         PR C/31499
3861         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3862         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
3863         value is a VECTOR_CST, the element type is the element type of the
3864         vector.
3865
3866 2009-04-22  DJ Delorie  <dj@redhat.com>
3867
3868         * config/m32c/m32c.h: Update GTY annotations to new syntax.
3869
3870 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
3871
3872         * alias.c (find_base_term): Move around LO_SUM case, so that
3873         CONST falls through into PLUS/MINUS handling.
3874
3875         PR c/39855
3876         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3877         into 0, use omit_one_operand.
3878
3879 2009-04-23  Ben Elliston  <bje@au.ibm.com>
3880
3881         * config/rs6000/linux-unwind.h (get_regs): Remove type
3882         puns. Change the type of `pc' to an array of unsigned ints and
3883         update all users.  Constify frame24.
3884
3885 2009-04-22  DJ Delorie  <dj@redhat.com>
3886
3887         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3888         declarations before code.
3889         (current_function_special_page_vector): Likewise.
3890         (m32c_expand_insv): Silence a warning.
3891
3892 2009-04-21  Taras Glek  <tglek@mozilla.com>
3893
3894         * alias.c: Update GTY annotations to new syntax.
3895         * basic-block.h: Likewise.
3896         * bitmap.h: Likewise.
3897         * c-common.h: Likewise.
3898         * c-decl.c: Likewise.
3899         * c-parser.c: Likewise.
3900         * c-pragma.c: Likewise.
3901         * c-tree.h: Likewise.
3902         * cfgloop.h: Likewise.
3903         * cgraph.h: Likewise.
3904         * config/alpha/alpha.c: Likewise.
3905         * config/arm/arm.h: Likewise.
3906         * config/avr/avr.h: Likewise.
3907         * config/bfin/bfin.c: Likewise.
3908         * config/cris/cris.c: Likewise.
3909         * config/darwin.c: Likewise.
3910         * config/frv/frv.c: Likewise.
3911         * config/i386/i386.c: Likewise.
3912         * config/i386/i386.h: Likewise.
3913         * config/i386/winnt.c: Likewise.
3914         * config/ia64/ia64.h: Likewise.
3915         * config/iq2000/iq2000.c: Likewise.
3916         * config/mips/mips.c: Likewise.
3917         * config/mmix/mmix.h: Likewise.
3918         * config/pa/pa.c: Likewise.
3919         * config/pa/pa.h: Likewise.
3920         * config/rs6000/rs6000.c: Likewise.
3921         * config/s390/s390.c: Likewise.
3922         * config/sparc/sparc.c: Likewise.
3923         * config/xtensa/xtensa.c: Likewise.
3924         * cselib.h: Likewise.
3925         * dbxout.c: Likewise.
3926         * dwarf2out.c: Likewise.
3927         * except.c: Likewise.
3928         * except.h: Likewise.
3929         * fixed-value.h: Likewise.
3930         * function.c: Likewise.
3931         * function.h: Likewise.
3932         * gimple.h: Likewise.
3933         * integrate.c: Likewise.
3934         * optabs.c: Likewise.
3935         * output.h: Likewise.
3936         * real.h: Likewise.
3937         * rtl.h: Likewise.
3938         * stringpool.c: Likewise.
3939         * tree-data-ref.c: Likewise.
3940         * tree-flow.h: Likewise.
3941         * tree-scalar-evolution.c: Likewise.
3942         * tree-ssa-address.c: Likewise.
3943         * tree-ssa-alias.h: Likewise.
3944         * tree-ssa-operands.h: Likewise.
3945         * tree.c: Likewise.
3946         * tree.h: Likewise.
3947         * varasm.c: Likewise.
3948         * varray.h: Likewise.
3949         * vec.h: Likewise.
3950         * coretypes.h: Do not define GTY macro if it is already defined.
3951         * doc/gty.texi: Update GTY documentation to new syntax.
3952         * gengtype-lex.l: Enforce attribute-like syntax for GTY
3953         annotations on structs.
3954         * gengtype-parse.c: Likewise.
3955
3956 2009-04-22  Mark Heffernan  <meheff@google.com>
3957
3958         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3959
3960 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3961
3962         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3963         where appropriate.
3964
3965 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
3966
3967         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3968         the same as a PLUS without a shift.  Increase the cost of a
3969         CONST_INT in MULT.
3970
3971 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3972
3973         * Makefile.in: Update dependencies.
3974         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3975         * errors.h: Remove bogus comment about compatibility.
3976         (warning): Update declaration.
3977         * genautomata.c: Update all calls to warning.
3978         * gimple.c: Do not include errors.h. Include toplev.h.
3979         * tree-ssa-structalias.c: Do not include errors.h.
3980         * omega.c: Likewise.
3981         * tree-ssa-reassoc.c: Likewise.
3982         * config/spu/spu-c.c: Likewise.
3983         * config/spu/t-spu-elf: Update dependencies.
3984
3985 2009-04-22  Richard Guenther  <rguenther@suse.de>
3986
3987         PR tree-optimization/39824
3988         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3989         make sure the types are compatible.
3990
3991 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3992
3993         PR c++/14875
3994         * c-common.c (c_parse_error): Take a token_flags parameter.
3995         Use token_type for the token type instead.
3996         Pass token_flags to cpp_type2name.
3997         * c-common.h (c_parse_error): Update declaration.
3998         * c-parser.c (c_parser_error): Pass 0 as token flags.
3999
4000 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
4001
4002         PR rtl-optimization/39580
4003         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
4004         
4005 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4006
4007         * function.c (expand_function_end): Do not emit a jump to the "naked"
4008         return label for fall-through returns.
4009         * except.c (sjlj_emit_function_exit): Always place the call to the
4010         unregister function at the location installed by expand_function_end.
4011
4012 2009-04-22  Richard Guenther  <rguenther@suse.de>
4013
4014         PR tree-optimization/39845
4015         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
4016         (gen_inbound_check): Likewise.
4017
4018 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
4019
4020         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
4021         padding for PPC.
4022         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
4023         * config/vxlib.c (__gthread_once): Add race guard for PPC.
4024
4025 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4026
4027         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
4028         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
4029         shift counts to avoid out-of-bounds array accesses.
4030
4031 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4032
4033         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
4034         (Pmode): Move above.
4035
4036 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
4037
4038         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
4039         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
4040         GET_CODE macro.  Use IN_RANGE macro where appropriate.
4041         * config/alpha/alpha.h: Ditto.
4042         * config/alpha/alpha.md: Ditto.
4043         * config/alpha/constraints.md: Ditto.
4044         * config/alpha/predicates.md: Ditto.
4045         
4046 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
4047
4048         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
4049         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4050         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4051         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4052         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4053         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4054         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4055         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4056         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4057         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4058         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4059         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4060         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4061         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4062         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4063         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4064         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4065         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4066         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4067         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4068         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4069         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4070         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4071         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4072         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4073         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4074         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4075
4076 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4077
4078         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
4079         references from comments.
4080         * cfgbuild.c: (count_basic_blocks): Delete.
4081         (find_basic_blocks_1): Delete.
4082         (find_basic_blocks): Delete.
4083         * except.c (finish_eh_generation): Make static.  Move comment from
4084         except.h here.  Remove find_basic_blocks references from comments.
4085         * except.h (finish_eh_generation): Delete.
4086         * basic-block.h (find_basic_blocks): Delete.
4087         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
4088
4089 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
4090
4091         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
4092         (sdbout_parms):  Likewise.
4093
4094 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
4095
4096         * config/sh/sh.c (prepare_cbranch_operands): Use
4097         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
4098         (expand_cbranchdi4): Likewise.
4099         (from_compare): Add cast to enum type.
4100         (expand_cbranchsi4): Use add_reg_note.
4101         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
4102         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
4103         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
4104         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4105         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
4106         instead of CODE_FOR_nothing.
4107         (cbranchdi4): Likewise.  Fix the order of arguments for
4108         gen_rtx_fmt_ee.
4109         (push_fpscr): Use add_reg_note.
4110         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
4111         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
4112         
4113 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
4114
4115         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
4116         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4117         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4118         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
4119         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
4120         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
4121         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
4122         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
4123         config/alpha/x-vms, config/arc/t-arc,
4124         config/arm/README-interworking, config/arm/arm-c.c,
4125         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
4126         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
4127         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
4128         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
4129         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
4130         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
4131         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
4132         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
4133         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
4134         config/cris/t-elfmulti, config/crx/t-crx,
4135         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
4136         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
4137         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
4138         config/h8300/t-h8300, config/i386/athlon.md,
4139         config/i386/darwin-libgcc.10.4.ver,
4140         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
4141         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
4142         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
4143         config/i386/t-linux64, config/i386/t-nwld,
4144         config/i386/t-rtems-i386, config/i386/t-sol2-10,
4145         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
4146         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
4147         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
4148         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
4149         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
4150         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
4151         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
4152         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
4153         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
4154         config/m68k/t-uclinux, config/mcore/t-mcore,
4155         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
4156         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
4157         config/mips/crtn.asm, config/mips/irix-crti.asm,
4158         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
4159         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
4160         config/mips/mips-fixed.md, config/mips/sb1.md,
4161         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
4162         config/mips/t-iris6, config/mips/t-isa3264,
4163         config/mips/t-libgcc-mips16, config/mips/t-linux64,
4164         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
4165         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
4166         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
4167         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
4168         config/mn10300/t-linux, config/mn10300/t-mn10300,
4169         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
4170         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
4171         config/picochip/libgccExtras/clzsi2.asm,
4172         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
4173         config/rs6000/darwin-libgcc.10.4.ver,
4174         config/rs6000/darwin-libgcc.10.5.ver,
4175         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
4176         config/rs6000/t-aix43, config/rs6000/t-aix52,
4177         config/rs6000/t-darwin, config/rs6000/t-fprules,
4178         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
4179         config/rs6000/t-lynx, config/rs6000/t-netbsd,
4180         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
4181         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
4182         config/rs6000/t-rtems, config/rs6000/t-spe,
4183         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
4184         config/score/t-score-elf, config/sh/divcost-analysis,
4185         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
4186         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
4187         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
4188         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
4189         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
4190         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
4191         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
4192         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
4193         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
4194         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
4195         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
4196         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
4197         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
4198         limitx.h, version.c, xcoff.h: Add copyright and license notices.
4199         * config/h8300/genmova.sh: Include copyright and license notices
4200         in generated output.
4201         * config/h8300/mova.md: Regenerate.
4202         * doc/install.texi2html: Include word "Copyright" in copyright
4203         notice and use name "Free Software Foundation, Inc.".
4204         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4205         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4206         ChangeLog-2007, ChangeLog-2008: Correct dates.
4207
4208 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
4209
4210         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
4211         NE_EXPR operations as well.
4212         * c-parser.c (c_parser_condition): Do not set location information on
4213         the condition.
4214         (c_parser_conditional_expression): Likewise.
4215         (c_parser_binary_expression): Set location information on operators.
4216         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
4217         TRUTH_NOT_EXPR has been folded.
4218         * fold-const.c (fold_truth_not_expr): Copy location information from
4219         the incoming expression to the outgoing one.
4220         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
4221         recursive calls on the LHS of the operator but pass that of the
4222         operator to recursive calls on the RHS of the operator.  Set it
4223         on the COND_EXPR.
4224         (shortcut_cond_expr): Set the locus of the operator on the second
4225         COND_EXPR and that of the expression on the first in degenerate cases.
4226         Pass the locus of the expression to calls to shortcut_cond_r.
4227         Set the locus of the 'then' block on the associated jump, if any.
4228         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
4229         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4230         expression to call to gimplify_boolean_expr.
4231
4232 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
4233
4234         * config.gcc: Add additional configuration for
4235         i686-w64-mingw* and x86_64-w64-mingw* triplet.
4236         * config/i386/mingw-w64.h: New mingw-w64 specific header.
4237         (CPP_SPEC): Redefine for allowing -municode option.
4238         (STARTFILE_SPEC): Likewise.
4239         * config/i386/t-mingw-w64: New.
4240         * config/i386/mingw-w64.opt: New.
4241         (municode): Add new target option.
4242         * doc/invoke.texi (municode): Add documentation for new option.
4243
4244 2009-04-21  Ian Lance Taylor  <iant@google.com>
4245
4246         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4247         Correct test for number of arguments.
4248         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
4249
4250 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
4251
4252         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
4253         argument of emit_library_call.
4254
4255 2009-04-21  Richard Guenther  <rguenther@suse.de>
4256
4257         PR middle-end/39829
4258         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
4259         inside VIEW_CONVERT_EXPRs.
4260
4261 2009-04-21  Martin Jambor  <mjambor@suse.cz>
4262
4263         * tree-switch-conversion.c (build_constructors): Split a long line.
4264         (constructor_contains_same_values_p): New function.
4265         (build_one_array): Create assigns of constants if possible, do not
4266         call mark_sym_for_renaming, call update_stmt.
4267         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
4268         make_rename_temp.  Do not call mark_symbols_for_renaming, call
4269         update_stmt.
4270         (gen_def_assigns): Do not call mark_symbols_for_renaming or
4271         find_new_referenced_vars, call update_stmt.
4272         (gen_inbound_check): Use create_tmp_var and create ssa names manually
4273         instead of calling make_rename_temp.  Do not call
4274         find_new_referenced_vars or mark_symbols_for_renaming, call
4275         update_stmt.
4276
4277 2009-04-21  Richard Guenther  <rguenther@suse.de>
4278
4279         PR tree-optimization/39827
4280         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
4281         (tree_ssa_phiprop): Pass the correct array size.
4282
4283 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
4284
4285         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
4286
4287 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4288
4289         PR 16202
4290         * c-typeck.c (lvalue_p): Move declaration ...
4291         * c-common.h (lvalue_p): ... to here.
4292         * c-common.c (candidate_equal_p): New.
4293         (add_tlist): Use it.
4294         (merge_tlist): Use it.
4295         (warn_for_collisions_1): Likewise.
4296         (warning_candidate_p): Accept more candidates.
4297         (verify_tree): A warning candidate can be an expression. Use
4298         candidate_equal_p.
4299
4300 2009-04-21  Ben Elliston  <bje@au.ibm.com>
4301
4302         PR target/5267
4303         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4304         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4305         options.  Remove -mcall-solaris documentation.
4306
4307 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4308
4309         PR c++/13358
4310         * doc/invoke.texi (-Wlong-long): Update description.
4311         * c-lex (interpret_integer): Only warn if there was no previous
4312         overflow and -Wlong-long is enabled.
4313         * c-decl.c (declspecs_add_type): Drop redundant flags.
4314         * c.opt (Wlong-long): Init to -1.
4315         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4316         and front-end warn_long_long. Wlong-long only depends on other
4317         flags if it is uninitialized.
4318         * c-parser.c (disable_extension_diagnostics): warn_long_long is
4319         the same for CPP and FE.
4320         (restore_extension_diagnostics): Likewise.
4321
4322 2009-04-20  Ian Lance Taylor  <iant@google.com>
4323
4324         Fix enum conversions which are invalid in C++:
4325         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4326         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4327         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4328         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4329         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4330         (dbxout_parms): Likewise.
4331         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4332         (df_clear_flags): Likewise.
4333         * df-problems.c (df_rd_bb_local_compute_process_def): Change
4334         top_flag parameter to int.
4335         (df_chain_create_bb_process_use): Likewise.
4336         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4337         Remove cast.
4338         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4339         (df_ref_create_structure, df_def_record_1): Likewise.
4340         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4341         (df_notes_rescan): Change 0 to VOIDmode in function call.
4342         (df_get_call_refs, df_insn_refs_collect): Likewise.
4343         (df_bb_regs_collect): Likewise.
4344         (df_entry_block_defs_collect): Likewise.
4345         (df_exit_block_uses_collect): Likewise.
4346         * df.h: Update declarations.
4347         * double-int.c (double_int_divmod): Add cast to enum type.
4348         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4349         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4350         (based_loc_descr): Likewise.
4351         (loc_descriptor_from_tree_1): Change first_op and second_op to
4352         enum dwarf_location_atom.  Add cast to enum type.
4353         * expmed.c (init_expmed): Change 0 to SET in function call.
4354         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4355         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4356         (do_store_flag): Likewise.
4357         * fixed-value.h (struct fixed_value): Change mode to enum
4358         machine_mode.
4359         * function.c (assign_parms): Change 0 to VOIDmode in function call.
4360         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4361         function call.
4362         (insert_insn_decl, insert_decl, insert_state): Likewise.
4363         (automata_list_finish): Likewise.
4364         * genrecog.c (process_define_predicate): Add cast to enum type.
4365         * gensupport.c (init_predicate_table): Add cast to enum type.
4366         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4367         function call.
4368         (gimple_build_call_1, gimple_build_label): Likewise.
4369         (gimple_build_goto, gimple_build_asm_1): Likewise.
4370         (gimple_build_switch_1, gimple_build_cdt): Likewise.
4371         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4372         (enum fallback): Rename from enum fallback_t.
4373         (fallback_t): Typedef as int.
4374         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4375         GSI_SAME_STMT in function call.
4376         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4377         enum type.
4378         (setup_reg_class_relations): Likewise.
4379         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
4380         (setup_prohibited_class_mode_regs): Add cast to enum type.
4381         (setup_prohibited_mode_move_regs): Likewise.
4382         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4383         (record_address_regs): Change i to enum reg_class.
4384         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4385         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4386         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4387         (GET_MODE_2XWIDER_MODE): Likewise.
4388         (GET_CLASS_NARROWEST_MODE): Likewise.
4389         * omp-low.c (expand_omp_for): Add cast to enum type.
4390         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4391         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4392         * postreload.c (reload_cse_simplify_operands): Change rclass local
4393         to enum reg_class.
4394         * predict.c (combine_predictions_for_insn): Change best_predictor
4395         and predictor to enum br_predictor.
4396         (combine_predictions_for_bb): Likewise.
4397         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4398         use SET_PREDICT_EXPR_OUTCOME.
4399         * real.c (real_arithmetic): Change icode to code in function call.
4400         * reginfo.c (init_move_cost): Add casts to enum type.
4401         (init_reg_sets_1, init_fake_stack_mems): Likewise.
4402         * regmove.c (regclass_compatible_p): Change class0 and class1 to
4403         enum reg_class.
4404         * reload.c (find_valid_class): Add casts to enum type.
4405         (push_reload): Change 0 to NO_REGS in function call.
4406         (find_reloads): Change this_alternative to array of enum
4407         reg_class.  Remove some now-unnecessary casts.
4408         (make_memloc): Change 0 to VOIDmode in function call.
4409         * reload1.c (reload): Change 0 to VOIDmode in function call.
4410         (eliminate_regs_1, elimination_effects): Likewise.
4411         (eliminate_regs_in_insn): Likewise.
4412         (emit_input_reload_insns): Add cast to enum type.
4413         (delete_output_reload): Change 0 to VOIDmode in function call.
4414         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4415         to enum type in function call.
4416         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4417         (SET_PREDICT_EXPR_OUTCOME): Define.
4418         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4419         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4420         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4421         (dump_function): Likewise.
4422         * tree-dump.h: Update declarations.
4423         * tree-pass.h: Update declarations.
4424         * varasm.c (assemble_integer): Change mclass to enum mode_class.
4425         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4426         enum type.
4427         (arm_rtx_costs_1): Correct parenthesization.
4428         (arm_rtx_costs): Add casts to enum type.
4429         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4430         (vfp_emit_fstmd): Use add_rg_note.
4431         (emit_multi_reg_push, emit_sfm): Likewise.
4432         (thumb_set_frame_pointer): Likewise.
4433         (arm_expand_prologue): Likewise.
4434         (arm_regno_class): Change return type to enum reg_class.
4435         (thumb1_expand_prologue): Use add_reg_note.
4436         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4437         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4438         in function call.
4439         * config/arm/gentune.sh: Add cast to enum type.
4440         * config/arm/arm-tune.md: Rebuild.
4441         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4442         (ix86_split_fp_branch, predict_jump): Likewise.
4443         (ix86_expand_multi_arg_builtin): Change sub_code from enum
4444         insn_code to enum rtx_code.
4445         (ix86_builtin_vectorized_function): Add cast to enum type.
4446         * config/i386/i386.md (truncdfsf2): Change slot to enum
4447         ix86_stack_slot.
4448         (truncxf<mode>2, isinf<mode>2): Likewise.
4449         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4450         enum type.
4451         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4452         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4453         (insert_bundle_state): Change 1 to INSERT in function call.
4454         (ia64_add_bundle_selector_before): Likewise.
4455         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4456         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4457         (restore_stack_nonlocal): Likewise.
4458         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4459         function call.
4460         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4461         function call.
4462         (mips_rtx_costs): Likewise.
4463         (mips_override_options): Add casts to enum type.
4464         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4465         in function call.
4466         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4467         (store_reg, set_reg_plus_d): Likewise.
4468         (hppa_expand_prologue, hppa_profile_hook): Likewise.
4469         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4470         cast to enum type.
4471         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4472         function call.
4473         (emit_unlikely_jump): Use add_reg_note.
4474         (rs6000_emit_allocate_stack): Likewise.
4475         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4476         (output_toc): Change 1 to INSERT in function call.
4477         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4478         (rs6000_initialize_trampoline): Likewise.
4479         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4480         function call.
4481         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4482         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4483         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4484         (save_gprs): Use add_reg_note.
4485         (s390_emit_prologue): Likewise.
4486         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4487         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4488         (sparc_fold_builtin): Add cast to enum type.
4489         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4490         enum insn_code.
4491         (spu_expand_prologue): Use add_reg_note.
4492         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4493
4494 2009-04-20  Ian Lance Taylor  <iant@google.com>
4495
4496         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4497         (c_parser_postfix_expression_after_primary): Get VEC for list of
4498         arguments.  Get original types of arguments.  Call
4499         build_function_call_vec.
4500         (cached_expr_list_1, cached_expr_list_2): New static variables.
4501         (c_parser_expr_list): Change return type to VEC *.  Add
4502         p_orig_types parameter.  Change all callers.
4503         (c_parser_release_expr): New static function.
4504         (c_parser_vec_to_tree_list): New static function.
4505         * c-typeck.c (build_function_call): Rewrite to build a VEC and
4506         call build_function_call_vec.
4507         (build_function_call_vec): New function, based on old
4508         build_function_call.
4509         (convert_arguments): Remove nargs and argarray parameters.  Change
4510         values to a VEC.  Add origtypes parameter.
4511         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
4512         (convert_for_assignment): Add origtype parameter.  Change all
4513         callers.  If warn_cxx_compat, check for conversion to an enum
4514         type when calling a function.
4515         (store_init_value): Add origtype parameter.  Change all callers.
4516         (digest_init): Likewise.
4517         (struct init_node): Add origtype field.
4518         (add_pending_init): Add origtype parameter.  Change all callers.
4519         (output_init_element): Likewise.
4520         (output_pending_init_elements): Pass origtype from init_node to
4521         output_init_element.
4522         (process_init_element): Pass origtype from c_expr to
4523         output_init_element.
4524         (c_finish_return): Add origtype parameter.  Change all callers.
4525         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
4526         caller.
4527         (sync_resolve_params): Likewise.
4528         (sync_resolve_return): Change params to first_param.  Change caller.
4529         (resolve_overloaded_builtins): Change params to VEC *.  Change
4530         callers.  Save first parameter around call to build_function_call_vec.
4531         * c-decl.c (finish_decl): Add origtype parameter.  Change all
4532         callers.  Call build_function_call_vec rather than
4533         build_function_call for cleanup.
4534         * c-tree.h: Update declarations.
4535         * c-common.h: Update declarations.
4536         * stub-objc.c (objc_rewrite_function_call): Change parameter from
4537         params to first_param.
4538         * target.h (struct gcc_target): Change resolve_overloaded_builtin
4539         params parameter from tree to void *.
4540         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4541         Change arglist parameter to have type void *, and to be a pointer
4542         to a VEC.
4543         * config/rs6000/rs6000-protos.h
4544         (altivec_resolve_overloaded_builtin): Update declaration.
4545         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4546         fnargs parameter to have type void *, and to be a pointer to a
4547         VEC.  Call build_function_call_vec instead of
4548         build_function_call.
4549         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4550
4551 2009-04-20  Joey Ye  <joey.ye@intel.com>
4552             Xuepeng Guo  <xuepeng.guo@intel.com>
4553             H.J. Lu  <hongjiu.lu@intel.com>
4554
4555         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4556
4557         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4558         (IX86_LEA_PRIORITY): Likewise.
4559         (distance_non_agu_define): New function.
4560         (distance_agu_use): Likewise.
4561         (ix86_lea_for_add_ok): Likewise.
4562         (ix86_dep_by_shift_count): Likewise.
4563
4564         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4565         should split for LEA.
4566
4567         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4568         function.
4569         (ix86_dep_by_shift_count): Likewise.
4570
4571 2009-04-20  Richard Guenther  <rguenther@suse.de>
4572
4573         * expr.c (handled_component_p): Move ...
4574         * tree.h (handled_component_p): ... here.
4575         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4576         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4577         and REALPART_EXPR to be in one group.
4578
4579 2009-04-20  Richard Guenther  <rguenther@suse.de>
4580
4581         * basic-block.h (get_all_dominated_blocks): Declare.
4582         * dominance.c (get_all_dominated_blocks): New function.
4583         * tree-cfg.c (get_all_dominated_blocks): Remove.
4584         (remove_edge_and_dominated_blocks): Adjust.
4585         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4586         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
4587         instead of recursing.
4588
4589 2009-04-20  Doug Kwan  <dougkwan@google.com>
4590
4591         * cgraph.h (cgraph_node_ptr): New type for vector functions.
4592         (struct cgraph_node_set_def): New type.
4593         (cgraph_node_set) New type. Also declare vector functions.
4594         (struct cgraph_node_set_element_def): New type.
4595         (cgraph_node_set_element): Ditto.
4596         (cgraph_node_set_iterator): New iterator type.
4597         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4598         cgraph_node_set_remove, dump_cgraph_node_set,
4599         debug_cgraph_node_set): New prototypes.
4600         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4601         cgraph_node_set_size): New inlines.
4602         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4603         including cgraph.h.
4604         (struct ipa_opt_pass): Add struct cgraph_node_set_def
4605         argument to function 'write_summary'.
4606         * ipa.c: Include ggc.h.
4607         (hash_cgraph_node_set_element,
4608         eq_cgraph_node_set_element, cgraph_node_set_new,
4609         cgraph_node_set_add, cgraph_node_set_remove,
4610         cgraph_node_set_find, dump_cgraph_node_set,
4611         debug_cgraph_node_set): New functions.
4612         * Makefile.in (ipa.o): Add dependency on GGC_H.
4613
4614 2009-04-20  Ira Rosen  <irar@il.ibm.com>
4615
4616         PR tree-optimization/39675
4617         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4618         check of the return code of vect_schedule_slp. Check that
4619         stmt_vec_info still exists for the statement, before checking its
4620         vectorization type.
4621
4622 2009-04-20  Michael Matz  <matz@suse.de>
4623
4624         * Makefile.in (generated_files): Take out $(simple_generated_c).
4625
4626 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
4627
4628         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
4629         (UINTPTR_TYPE):  Likewise.
4630
4631 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4632
4633         PR c/37481
4634         * c-typeck.c (digest_init): Check for initializing an array with a
4635         string literal.
4636
4637 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4638
4639         PR c/19771
4640         * c-semantics.c (pop_stmt_list): Propagate
4641         STATEMENT_LIST_HAS_LABEL to parent statement list.
4642
4643 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
4644
4645         * config/mips/mips.h (mips_tune_attr): New macro.
4646         * config/mips/mips.md (cpu): Use it.
4647
4648 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
4649
4650         PR c/38243
4651         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4652         declaring a tag.
4653
4654 2009-04-19  Diego Novillo  <dnovillo@google.com>
4655
4656         * toplev.c (compile_file): Move call to coverage_finish ...
4657         * cgraphunit.c (ipa_passes): ... here.
4658         Call cgraph_process_new_functions.
4659         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4660         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4661
4662 2009-04-19  Jan Hubicka  <jh@suse.cz>
4663
4664         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4665         cfun.
4666         (dump_cgraph_node): Dump can throw external flag.
4667         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4668
4669 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4670
4671         PR c/32061
4672         PR c++/36954
4673         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4674         * common.opt (Wlogical-op): Move from here...
4675         * c.opt (Wlogical-op): ... to here.
4676         * c-typeck.c (parser_build_binary_op): Update call to
4677         warn_logical_operator.
4678         * c-opts.c (c_common_post_options): Enable warn_logical_op with
4679         extra_warnings.
4680         * c-common.c (warn_logical_op): Update.
4681         * c-common.h (warn_logical_op): Update declaration.
4682
4683 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4684
4685         * tree.c (protected_set_expr_location): Fix formatting.
4686
4687 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4688
4689         PR c/27676
4690         * c-typeck.c (readonly_warning): new.
4691         (build_unary_op, build_modify_expr): Use readonly_warning for
4692         storing into something readonly but not const-qualified.
4693
4694 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4695
4696         PR c/22367
4697         * c-typeck.c (build_unary_op): Check for taking address of
4698         expression of type void.
4699
4700 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
4701
4702         PR c/35210
4703         * c-typeck.c (build_function_call): Check for calling a function
4704         with qualified void return types.  Call require_complete_type when
4705         generating a trap.
4706
4707 2009-04-18  Jan Hubicka  <jh@suse.cz>
4708
4709         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4710         Set nothrow flag.
4711         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4712         can_throw_external flag.
4713         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4714         * ipa-pure-const.c (ignore_edge): New function.
4715         (propagate): Compute order for NOTHROW computation; set NOTHROWs
4716         only over can_throw_external edges.
4717         (local_pure_const): Add nothrow flag.
4718         * ipa-utils.c (searchc): Add ignore_edge callback.
4719         (ipa_utils_reduced_inorder): Add ignore_edge callback.
4720         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4721         (set_nothrow_function_flags): Update cgraph.
4722         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4723
4724 2009-04-18  Richard Guenther  <rguenther@suse.de>
4725
4726         PR middle-end/39804
4727         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4728         (fold_stmt): ... this and ...
4729         (fold_stmt_inplace): ... this.
4730         (fold_stmt_1): Fold references in calls and asms.
4731         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4732
4733 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4734
4735         * tree-vrp.c (ssa_name_nonzero_p): Remove.
4736         * tree.h: Remove the prototype for ssa_name_nonzero_p.
4737
4738 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4739
4740         * tree.c (function_args_count): Remove.
4741         * tree.h: Remove the prototype for function_args_count.
4742
4743 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4744
4745         * tree-iterator.c (expr_only): Remove.
4746         * tree.h: Remove the prototype for expr_only.
4747
4748 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4749
4750         * reginfo.c (cannot_change_mode_set_regs): Remove.
4751         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4752
4753 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
4754
4755         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4756         whether operands 0 and 1 overlaps.
4757
4758 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4759
4760         PR middle-end/36902
4761         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4762         pointer. Use warning_at instead of warning.
4763         (search_for_addr_array): Likewise.
4764         (check_array_bounds): Likewise.
4765         (check_all_array_refs): Check that the incoming edge is not in the
4766         list of edges to be removed.
4767         (check_all_array_refs): Avoid the temporal pointer.
4768         (vrp_visit_cond_stmt): Fix typo.
4769         (simplify_switch_using_ranges): Handle the case where the switch
4770         index is an integer constant.
4771
4772 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
4773
4774         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4775
4776 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
4777
4778         * doc/extend.texi, doc/invoke.texi: Fix typos.
4779
4780 2009-04-17  Cary Coutant  <ccoutant@google.com>
4781
4782         * tree-flow-inline.h (get_lineno): Fix inverted test.
4783
4784 2009-04-17  Diego Novillo  <dnovillo@google.com>
4785
4786         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4787         assertion for AVAIL_OUT.
4788
4789 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
4790
4791         PR target/38627
4792         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4793         * config/sh/linux-atomic.asm: Likewise.
4794
4795 2009-04-17  Diego Novillo  <dnovillo@google.com>
4796
4797         * except.c (debug_eh_tree): New.
4798         (struct eh_region, struct eh_status): Move ...
4799         * except.h: ... here.
4800         (add_type_for_runtime): Declare extern.
4801         (lookup_type_for_runtime): Likewise.
4802         (debug_eh_tree): Declare.
4803         * Makefile.in (GTFILES): List except.h before except.c
4804
4805 2009-04-17  Diego Novillo  <dnovillo@google.com>
4806
4807         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4808         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4809         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4810         (find_vars_r): ... here.
4811         * tree-flow.h (find_referenced_vars_in): Declare.
4812         * tree-ssa-pre.c (create_expression_by_pieces): Assert
4813         that AVAIL_OUT exists for BLOCK.
4814         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4815         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4816         (tree-parloops.o): Likewise.
4817
4818 2009-04-17  Simon Baldwin  <simonb@google.com>
4819
4820         * toplev.c (default_tree_printer): Add handling for %E format.
4821
4822 2009-04-17  Diego Novillo  <dnovillo@google.com>
4823
4824         * tree-pretty-print.c (dump_generic_node): Add break after
4825         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
4826         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
4827         FUNCTION_TYPE together.  Call print_struct_decl when printing
4828         structures and TDF_SLIM is not given.
4829         (print_struct_decl): Fix logic for detecting recursion.
4830
4831 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4832
4833         PR 31567
4834         * gcc.c (create_at_file): New.
4835         (compile_input_file_p): New.
4836         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4837         * main.c (main): Update call to toplev_main.
4838         * toplev.c (toplev_main): Change signature. Call expandargv.
4839         * toplev.h (toplev_main): Change signature.
4840
4841 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4842
4843         * dwarf2out.c (field_byte_offset): Use the type size as the field size
4844         if the latter is not constant.
4845
4846 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
4847
4848         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4849
4850 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
4851
4852         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4853         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4854
4855 2009-04-17  Richard Guenther  <rguenther@suse.de>
4856
4857         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4858         Handle component references view-converting an invariant address.
4859
4860 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
4861
4862         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4863         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4864         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4865         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4866         Use @deftypevr rather than @deftypevar.
4867
4868 2009-04-17  Richard Guenther  <rguenther@suse.de>
4869
4870         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4871         (get_prop_source_stmt): Likewise.
4872         (can_propagate_from): Likewise.
4873
4874 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
4875
4876         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4877         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4878         (--with-multilib-list): Add default value.
4879         * configure: Regenerate.
4880         * Makefile.in (TM_ENDIAN_CONFIG): Define.
4881         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4882         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4883         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4884         Don't add default cpu to multilib list unnecessarily, but do enable
4885         the relevant compiler option..
4886         Add support for --with-multilib-list=<blank> and
4887         --with-multilib-list=!<somelib> to supress unwanted multilibs.
4888         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4889         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4890         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4891         TM_MULTILIB_CONFIG.
4892         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4893         (MULTILIB_OSDIRNAMES): New variable.
4894         * config/sh/t-1e: Delete file.
4895         * config/sh/t-mlib-sh1: Delete file.
4896         * config/sh/t-mlib-sh2: Delete file.
4897         * config/sh/t-mlib-sh2a: Delete file.
4898         * config/sh/t-mlib-sh2a-nofpu: Delete file.
4899         * config/sh/t-mlib-sh2a-single: Delete file.
4900         * config/sh/t-mlib-sh2a-single-only: Delete file.
4901         * config/sh/t-mlib-sh2e: Delete file.
4902         * config/sh/t-mlib-sh3e: Delete file.
4903         * config/sh/t-mlib-sh4: Delete file.
4904         * config/sh/t-mlib-sh4-nofpu: Delete file.
4905         * config/sh/t-mlib-sh4-single: Delete file.
4906         * config/sh/t-mlib-sh4-single-only: Delete file.
4907         * config/sh/t-mlib-sh4a: Delete file.
4908         * config/sh/t-mlib-sh4a-nofpu: Delete file.
4909         * config/sh/t-mlib-sh4a-single: Delete file.
4910         * config/sh/t-mlib-sh4a-single-only: Delete file.
4911         * config/sh/t-mlib-sh4al: Delete file.
4912         * config/sh/t-mlib-sh5-32media: Delete file.
4913         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4914         * config/sh/t-mlib-sh5-64media: Delete file.
4915         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4916         * config/sh/t-mlib-sh5-compact: Delete file.
4917         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4918         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4919         * doc/install.texi (Options specification): Add
4920         --with-multilib-list and --with-endian.
4921
4922 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
4923
4924         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4925         REVISION_c.
4926         (OBJS-common): Add plugin-version.o.
4927         (plugin-version.o): New.
4928         * gcc-plugin.h (plugin_gcc_version): New.
4929         (plugin_default_version_check): New.
4930         (plugin_init_func, plugin_init): Add version argument.
4931         * plugin-version.c: New.
4932         * plugin.c (str_plugin_gcc_version_name): New.
4933         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4934         pass it to the init function.
4935         (plugin_default_version_check): New.
4936
4937 2009-04-17  Richard Guenther  <rguenther@suse.de>
4938
4939         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4940         for decl-vs-decl disambiguation.
4941
4942 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4943
4944         * config/s390/s390.h (s390_tune_attr): New macro definition.
4945         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4946
4947 2009-04-17  Richard Guenther  <rguenther@suse.de>
4948
4949         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4950         (fold_stmt_r): Likewise.
4951         (maybe_fold_reference): New function.
4952         (fold_gimple_assign): Handle cases fold_stmt_r did.
4953         (fold_stmt): Do not use fold_stmt_r.
4954         (fold_stmt_inplace): Likewise.
4955
4956 2009-04-17  Richard Guenther  <rguenther@suse.de>
4957
4958         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4959         (record_equivalences_from_stmt): Remove useless checks and
4960         simplifications.
4961         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4962         the type is already suitable.
4963
4964 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
4965
4966         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4967
4968 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
4969
4970         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4971         (CMPtype): Define as __gcc_CMPtype.
4972
4973 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
4974
4975         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4976         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4977
4978 2009-04-17  Richard Guenther  <rguenther@suse.de>
4979
4980         PR tree-optimization/39746
4981         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4982         special-casing for builtins and static variable use/def.
4983         (call_may_clobber_ref_p_1): Likewise.
4984
4985 2009-04-16  Ian Lance Taylor  <iant@google.com>
4986
4987         * df.h: Include "timevar.h".
4988         (struct df_problem): Change tv_id field to timevar_id_t.
4989         * tree-pass.h: Include "timevar.h".
4990         (struct opt_pass): Change tv_id field to timevar_id_t.
4991         * timevar.h (timevar_id_t): Define TV_NONE.
4992         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
4993         TV_NONE rather than tv_id != 0.
4994         (execute_one_pass): Likewise.
4995         * Makefile.in (DF_H): Add $(TIMEVAR_H).
4996         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
4997         dependencies to $(TREE_PASS_H).
4998         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
4999         to TV_NONE.
5000         (pass_branch_target_load_optimize2): Likewise.
5001         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
5002         (pass_outof_cfg_layout_mode): Likewise.
5003         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
5004         (pass_rebuild_cgraph_edges): Likewise.
5005         (pass_remove_cgraph_callee_edges): Likewise.
5006         * df-core.c (pass_df_initialize_opt): Likewise.
5007         (pass_df_initialize_no_opt): Likewise.
5008         (pass_df_finish): Likewise.
5009         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
5010         * except.c (pass_set_nothrow_function_flags): Likewise.
5011         (pass_convert_to_eh_region_ranges): Likewise.
5012         * final.c (pass_compute_alignments): Likewise.
5013         * function.c (pass_instantiate_virtual_regs): Likewise.
5014         (pass_init_function): Likewise.
5015         (pass_leaf_regs): Likewise.
5016         (pass_match_asm_constraints): Likewise.
5017         * gimple-low.c (pass_lower_cf): Likewise.
5018         (pass_mark_used_blocks): Likewise.
5019         * init-regs.c (pass_initialize_regs): Likewise.
5020         * integrate.c (pass_initial_value_sets): Likewise.
5021         * ira.c (pass_ira): Likewise.
5022         * jump.c (pass_cleanup_barriers): Likewise.
5023         * omp-low.c (pass_expand_omp): Likewise.
5024         (pass_lower_omp): Likewise.
5025         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
5026         * recog.c (pass_split_all_insns): Likewise.
5027         (pass_split_after_reload): Likewise.
5028         (pass_split_before_regstack): Likewise.
5029         (pass_split_before_sched2): Likewise.
5030         (pass_split_for_shorten_branches): Likewise.
5031         * reginfo.c (pass_reginfo_init): Likewise.
5032         (pass_subregs_of_mode_init): Likewise.
5033         (pass_subregs_of_mode_finish): Likewise.
5034         * passes.c (pass_postreload): Likewise.
5035         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
5036         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
5037         (pass_warn_function_return): Likewise.
5038         (pass_warn_function_noreturn): Likewise.
5039         * tree-complex.c (pass_lower_complex): Likewise.
5040         (pass_lower_complex_O0): Likewise.
5041         * tree-if-conv.c (pass_if_conversion): Likewise.
5042         * tree-into-ssa.c (pass_build_ssa): Likewise.
5043         * tree-mudflap.c (pass_mudflap_1): Likewise.
5044         (pass_mudflap_2): Likewise.
5045         * tree-nomudflap.c (pass_mudflap_1): Likewise.
5046         (pass_mudflap_2): Likewise.
5047         * tree-nrv.c (pass_return_slot): Likewise.
5048         * tree-object-size.c (pass_object_sizes): Likewise.
5049         * tree-optimize.c (pass_all_optimizations): Likewise.
5050         (pass_early_local_passes): Likewise.
5051         (pass_all_early_optimizations): Likewise.
5052         (pass_cleanup_cfg): Likewise.
5053         (pass_cleanup_cfg_post_optimizing): Likewise.
5054         (pass_free_datastructures): Likewise.
5055         (pass_free_cfg_annotations): Likewise.
5056         (pass_fixup_cfg): Likewise.
5057         (pass_init_datastructures): Likewise.
5058         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
5059         (pass_late_warn_uninitialized): Likewise.
5060         (pass_update_address_taken): Likewise.
5061         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
5062         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
5063         (pass_cse_sincos): Likewise.
5064         (pass_convert_to_rsqrt): Likewise.
5065         * tree-ssa-structalias.c (pass_build_alias): Likewise.
5066         * tree-stdarg.c (pass_stdarg): Likewise.
5067         * tree-tailcall.c (pass_tail_recursion): Likewise.
5068         (pass_tail_calls): Likewise.
5069         * tree-vect-generic.c (pass_lower_vector): Likewise.
5070         (pass_lower_vector_ssa): Likewise.
5071         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
5072
5073 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
5074
5075         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
5076         XLR entry.
5077         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
5078         Handle -march=xlr.
5079         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
5080         logical and signext.
5081
5082 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
5083
5084         PR target/39767
5085         * config/sh/predicates.md (arith_operand): Check if the operand
5086         of TRUNCATE is a REG.
5087
5088 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5089
5090         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
5091         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
5092
5093 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5094
5095         * tree-iterator.c (tsi_split_statement_list_after,
5096         tsi_split_statement_list_before): Remove.
5097         * tree-iterator.h: Remove the prototypes for
5098         tsi_split_statement_list_after and tsi_split_statement_list_before.
5099
5100 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5101
5102         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
5103         * tree-ssa-propagate.h: Remove the prototype for
5104         stmt_makes_single_load.
5105
5106 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5107
5108         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
5109         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
5110
5111 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5112
5113         * tree-iterator.c (EXPR_LAST_BODY): Remove.
5114
5115 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5116
5117         * except.c (eh_region_outer_p): Remove.
5118         * except.h: Remove the prototype for eh_region_outer_p.
5119
5120 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
5121
5122         * function.c (current_function_assembler_name): Remove.
5123         * function.h: Remove the prototype for
5124         current_function_assembler_name.
5125
5126 2009-04-16  Ian Lance Taylor  <iant@google.com>
5127
5128         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
5129         (add_reg_note): Call alloc_reg_note.
5130         * rtl.h (alloc_reg_note): Declare.
5131         * combine.c (try_combine): Use alloc_reg_note.
5132         (recog_for_combine, move_deaths): Likewise.
5133         (distribute_notes): Use alloc_reg_note and add_reg_note.
5134         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
5135         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
5136         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
5137
5138 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
5139
5140         PR rtl-optimization/39762
5141         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
5142         ira_may_move_out_cost): Add comments about way of their usage.
5143         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
5144
5145         * ira-conflicts.c (process_regs_for_copy): Use function
5146         ira_get_register_move_cost instead of global
5147         ira_register_move_cost.
5148
5149         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
5150         color_pass, move_spill_restore, update_curr_costs): Ditto.
5151
5152         * ira-lives.c (process_single_reg_class_operands): Ditto.
5153
5154         * ira-emit.c (emit_move_list): Ditto.
5155
5156         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
5157         (record_reg_classes): Ditto.  Use functions
5158         ira_get_register_move_cost and ira_get_may_move_cost instead of
5159         global vars ira_register_move_cost, ira_may_move_out_cost and
5160         ira_may_move_in_cost.
5161         (record_address_regs): Don't call ira_init_register_move_cost.
5162         Use function ira_get_may_move_cost instead of global
5163         ira_may_move_in_cost.
5164         (process_bb_node_for_hard_reg_moves): Use function
5165         ira_get_register_move_cost instead of global ira_register_move_cost.
5166         (ira_costs): Don't call ira_init_register_move_cost.
5167
5168 2009-04-16  Richard Guenther  <rguenther@suse.de>
5169
5170         * tree-cfg.c (verify_gimple_assign_binary):
5171         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
5172         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
5173         (create_general_new_stmt): Note that this function is broken.
5174
5175 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5176
5177         * common.opt (fhelp): Add Var(help_flag).
5178         * gcc-plugin.h (plugin_info): Add help.
5179         * plugin.c (plugin_name_args): Add help.
5180         (register_plugin_info): Set plugin->help.
5181         (print_help_one_plugin): New.
5182         (print_plugins_help): New.
5183         * plugin.h (print_plugins_help): New.
5184         * toplev.c (toplev_main): Call print_plugins_help if needed.
5185
5186 2009-04-16  Richard Guenther  <rguenther@suse.de>
5187
5188         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
5189         (gimple_ior_addresses_taken_1): New function.
5190         (gimple_ior_addresses_taken): Likewise.
5191         * gimple.h (struct gimple_statement_with_ops_base): Remove
5192         addresses_taken member.
5193         (gimple_ior_addresses_taken): Declare.
5194         (gimple_addresses_taken, gimple_addresses_taken_ptr,
5195         gimple_set_addresses_taken): Remove.
5196         * ipa-reference.c (mark_address): New function.
5197         (scan_stmt_for_static_refs): Use it for marking addresses taken.
5198         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
5199         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
5200         (gimple_add_to_addresses_taken): Remove.
5201         (get_tmr_operands): Call mark_address_taken.
5202         (get_asm_expr_operands): Likewise.
5203         (get_expr_operands): Likewise.
5204         (build_ssa_operands): Do not clear the addresses_taken bitmap.
5205         (free_stmt_operands): Do not free it.
5206         * tree-ssa.c (delete_tree_ssa): Likewise.
5207         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
5208
5209 2009-04-16  Richard Guenther  <rguenther@suse.de>
5210
5211         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
5212         (walk_stmt_load_store_ops): Likewise.
5213         * gimple.c (get_base_loadstore): New function.
5214         (walk_stmt_load_store_addr_ops): Likewise.
5215         (walk_stmt_load_store_ops): Likewise.
5216         * ipa-pure-const.c (check_op): Simplify.
5217         (check_load, check_store): New functions.
5218         (check_stmt): Use walk_stmt_load_store_ops.
5219         * ipa-reference.c (mark_load): Adjust signature.
5220         (mark_store): Likewise.
5221         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5222
5223 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5224
5225         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5226         (plugin_info): New.
5227         * opts.c (common_handle_option): Don't call print_version.
5228         * plugin.c (plugin_name_args): Add version.
5229         (register_plugin_info): New.
5230         (register_callback): Handle PLUGIN_INFO.
5231         (try_init_one_plugin): New.
5232         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5233         if failed to init.
5234         (finalize_one_plugin): New.
5235         (finalize_plugins): New.
5236         (print_one_plugin): New.
5237         (print_plugins_versions): New.
5238         * plugin.h (print_plugins_versions): New.
5239         (finalize_plugins): New.
5240         * toplev.c (compile_file): Don't call initialize_plugins.
5241         (print_version): Call print_plugins_versions.
5242         (toplev_main): Call initialize_plugins. Print version if needed.
5243         Call finalize_plugins.
5244
5245 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
5246
5247         * common.opt (fversion): New.
5248         * gcc.c (print_version): New.
5249         (process_command): Don't print the version. Just set print_version.
5250         (main): Print version. Call subprocesses if print_version and
5251         verbose_flag are set.
5252         * opts.c (common_handle_option): Handle OPT_fversion.
5253
5254 2009-04-16  Richard Guenther  <rguenther@suse.de>
5255             Ira Rosen  <irar@il.ibm.com>
5256
5257         PR tree-optimization/39698
5258         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
5259         type of the reduction variable.  Only generate the def if
5260         it is needed.
5261
5262         * omp-low.c (expand_omp_for_generic): When converting to a pointer
5263         make sure to first convert to an integer of the same precision.
5264         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
5265         the type of the evolution correctly in computing the new
5266         induction variable base.
5267
5268 2009-04-16  Richard Guenther  <rguenther@suse.de>
5269
5270         PR middle-end/39625
5271         * tree-cfg.c (make_blocks): Split statements with to-be
5272         abnormal SSA names on the lhs.
5273
5274 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
5275
5276         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
5277         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
5278         * c-typeck.c (really_start_incremental_init): Likewise.
5279         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
5280         (TARGET_INITIALIZER): Remove it.
5281         * target.h (struct target): Remove vector_opaque_p.
5282         * tree.c (build_opaque_vector_type): New.
5283         * tree.h (TYPE_VECTOR_OPAQUE): New.
5284         (build_opaque_vector_type): Declare.
5285         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
5286         * config/rs6000/rs6000.c (build_opaque_vector_type,
5287         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
5288         (rs6000_init_builtins): Use build_opaque_vector_type for
5289         opaque_V4SI_type_node.
5290
5291 2009-04-15  Catherine Moore  <clm@codesourcery.com>
5292
5293         * debug.h (set_name):  Declare.
5294         * dwarf2out.c (dwarf2out_set_name): Declare.
5295         (dwarf2_debug_hooks): Add set_name.
5296         (find_AT_string): New.
5297         (add_AT_string): Call find_AT_string.
5298         (dwarf2out_set_name): New.
5299         * cp/decl.c (grokdeclarator): Call set_name.
5300         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5301         * debug.c (do_nothing_debug_hooks):  Likewise.
5302         * dbxout.c (dbx_debug_hooks): Likewise.
5303         * sdbout.c (sdb_debug_hooks): Likewise.
5304
5305 2009-04-15  Michael Eager  <eager@eagercon.com>
5306
5307         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5308         reg for single-precision FPU.
5309         * config/rs6000/rs6000.md (movsi_internal1): Only for
5310         !TARGET_SINGLE_FPU.
5311         (movsi_internal1_single): New. Add pattern to move SI values to/from
5312         single-precision FP regs.
5313
5314 2009-04-15  Richard Guenther  <rguenther@suse.de>
5315
5316         * omp-low.c (lower_rec_input_clauses): Build correct address
5317         expressions.
5318         (expand_omp_for_generic): Fix multiplication type.
5319         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5320         (generate_memset_zero): Fix types.
5321         * tree-profile.c (prepare_instrumented_value): Correctly
5322         widen a pointer.
5323
5324 2009-04-15  Ian Lance Taylor  <iant@google.com>
5325
5326         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
5327         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5328         for -Wall and for -Wc++-compat.
5329         (c_common_post_options): For C++, set warn_enum_compare if not
5330         already set.
5331         * c-tree.h (struct c_expr): Add field original_type.
5332         (build_external_ref): Update declaration.
5333         * c-parser.c (c_parser_braced_init): Set original_type.
5334         (c_parser_initelt): Likewise.
5335         (c_parser_expr_no_commas): Likewise.
5336         (c_parser_conditional_expression): Likewise.
5337         (c_parser_cast_expression): Likewise.
5338         (c_parser_unary_expression): Likewise.  Pull setting of
5339         original_code to top of function.
5340         (c_parser_sizeof_expression): Set original_type.
5341         (c_parser_alignof_expression): Likewise.
5342         (c_parser_postfix_expression): Likewise.  Pull setting of
5343         original_code to top of function.
5344         (c_parser_postfix_expression_after_paren_type): Set original_type.
5345         (c_parser_postfix_expression_after_primary): Likewise.
5346         (c_parser_expression): Likewise.
5347         * c-typeck.c (build_external_ref): Add type parameter.  Change all
5348         callers.
5349         (c_expr_sizeof_expr): Set original_type field.
5350         (parser_build_unary_op): Likewise.
5351         (parser_build_binary_op): Likewise.  Optionally warn about
5352         comparisons of enums of different types.
5353         (digest_init): Set original_type field.
5354         (really_start_incremental_init): Likewise.
5355         (push_init_level, pop_init_level): Likewise.
5356         * doc/invoke.texi (Warning Options): -Wenum-compare now
5357         supported in C.
5358
5359 2009-04-15  Richard Guenther  <rguenther@suse.de>
5360
5361         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5362         out a necessary conversion.
5363         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5364         names we didn't value number.
5365         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5366
5367 2009-04-15  Richard Guenther  <rguenther@suse.de>
5368
5369         PR tree-optimization/39764
5370         * tree-ssa-ccp.c (get_value): Canonicalize value with
5371         canonicalize_float_value.
5372
5373 2009-04-15  Jan Hubicka  <jh@suse.cz>
5374
5375         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5376         Wrong version of patch.
5377
5378 2009-04-15  Jan Hubicka  <jh@suse.cz>
5379
5380         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5381
5382 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
5383
5384         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5385         our distinct integral and vector types.
5386
5387 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
5388
5389         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5390         * init.c (build_vtbl_address): Remove call to assemble_external.
5391
5392 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
5393
5394         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5395         output for other floating point modes.
5396
5397 2009-04-14  Diego Novillo  <dnovillo@google.com>
5398
5399         * diagnostic.c (diagnostic_report_diagnostic): Do not
5400         warn about loaded plugins for DK_ERROR and DK_WARNING.
5401         * c-decl.c (declspecs_add_type): Move call to
5402         invoke_plugin_callbacks ...
5403         * c-parser.c (c_parser_declspecs): ... here.
5404         * plugin.c (dump_active_plugins): Tidy output.
5405
5406 2009-04-14  Diego Novillo  <dnovillo@google.com>
5407             Le-Chun Wu  <lcwu@google.com>
5408
5409         * configure.ac: Add --enable-plugin support.
5410         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5411         * Makefile.in (PLUGIN_H): Define.
5412         Export ENABLE_PLUGIN and GMPINC to site.exp.
5413         Add PLUGINLIBS to link command.
5414         Add/modify dependencies for plugin.o and files including plugin.h.
5415         (plugin.o): New.
5416         * config.in: Regenerate.
5417
5418         * opts.c (common_handle_option): Handle OPT_fplugin_ and
5419         OPT_fplugin_arg_.
5420
5421 2009-04-14  Le-Chun Wu  <lcwu@google.com>
5422
5423         * tree-pass.h (register_one_dump_file): Add a prototype for
5424         register_one_dump_file.
5425         * toplev.c (compile_file): Call initialize_plugins.
5426         (do_compile): Call invoke_plugin_callbacks.
5427         (toplev_main): Call invoke_plugin_callbacks.
5428         * common.opt: Add -fplugin= and -fplugin-arg-.
5429         * gcc-plugin.h: New public header file for plugins to include.
5430         * plugin.c: New source file.
5431         * plugin.h: New internal header file.
5432         * passes.c (register_one_dump_file): Make it external.
5433
5434         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5435
5436 2009-04-14  Diego Novillo  <dnovillo@google.com>
5437
5438         * doc/plugins.texi: New.
5439         * doc/gccint.texi: Add reference to Plugins chapter.
5440         * doc/invoke.texi: Document -fplugin and -fplugin-arg
5441         * diagnostic.c (diagnostic_report_diagnostic): Warn about
5442         loaded plugins, if any.
5443         * timevar.def (TV_PLUGIN_INIT): Define.
5444         (TV_PLUGIN_RUN): Define.
5445         * plugin.c: Include timevar.h
5446         (plugins_active_p): New.
5447         (dump_active_plugins): New.
5448         (debug_active_plugins): New.
5449
5450 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
5451
5452         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5453         library paths.
5454         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5455
5456 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
5457
5458         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5459         the same as a minus without a shift.
5460
5461 2009-04-14  Nick Clifton  <nickc@redhat.com>
5462
5463         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5464         comparisons with small integers will always produce a short
5465         branch.
5466
5467 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
5468
5469         Merge:
5470         2008-12-19  Diego Novillo  <dnovillo@google.com>
5471
5472         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5473
5474 2009-04-14  Richard Guenther  <rguenther@suse.de>
5475
5476         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5477         verification.
5478         (verify_gimple_assign_binary): Likewise.  Handle shifts and
5479         rotates correctly.
5480         (verify_gimple_phi): Print the mismatched argument position.
5481         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5482         Fix types.
5483         (vect_update_init_of_dr): Likewise.
5484         * matrix-reorg.c (transform_access_sites): Do what the
5485         comment suggests.
5486         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5487
5488 2009-04-13  Michael Eager  <eager@eagercon.com>
5489
5490         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5491         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5492         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
5493         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5494         remove duplicate config
5495
5496 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5497
5498         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5499         file_name:line_number type locator of the call site.
5500
5501 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
5502
5503         * genautomata.c: Put blank after comma.
5504         (automaton_decls): New.
5505         (struct unit_usage): Add comments to member next.
5506         (store_alt_unit_usage): Keep the list ordered.
5507         (unit_present_on_list_p, equal_alternatives_p): New.
5508         (check_regexp_units_distribution): Check units distribution
5509         correctness correctly.
5510         (main): Don't write automata if error is found.  Return correct
5511         exit code.
5512
5513         * config/m68k/cf.md (cfv4_ds): Remove.
5514         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5515         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5516
5517         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5518         power4-load-ext, power4-store, power4-store-update,
5519         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5520         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5521         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5522         power4-sqrt, power4-isync): Modify reservation to make correct
5523         unit distribution to automata.
5524
5525         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5526         power5-store-update, power5-two, power5-three, power5-lmul,
5527         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5528
5529 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
5530
5531         * except.c (pass_set_nothrow_function_flags): Set name and add
5532         TODO_dump_func.
5533         (set_nothrow_function_flags): Mention in the dump file when
5534         changing a function to nothrow.
5535
5536 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
5537
5538         PR/39066
5539         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5540         instead of unsigned long.
5541
5542 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5543
5544         * config/arm/arm.c (return_used_this_function): Remove.
5545         (arm_output_function_prologue): Remove use of
5546         return_used_this_function.
5547         (output_return_instruction): Replace use of
5548         return_used_this_function
5549         by cfun->machine->return_used_this_function.
5550         (arm_output_epilogue): Likewise.
5551         (arm_output_function_epilogue): Likewise.
5552         (thumb_unexpanded_epilogue): Likewise.
5553         * config/arm/arm.h (struct machine_function):
5554         New member return_used_this_function.
5555
5556 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
5557
5558         * doc/install.texi: Correct description of default directory for
5559         --with-gxx-include-dir.
5560
5561 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5562
5563         * fold-const.c (build_range_check): Properly deal with enumeral and
5564         boolean base types.
5565
5566 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
5567
5568         * doc/invoke.texi (max_gcse_passes): Remove documentation.
5569         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5570         * params.h (MAX_GCSE_PASSES): Remove.
5571         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5572         in sequence.  Remove ability to run multiple passes.
5573         (bypass_jumps): Report run as third CPROP pass.
5574
5575 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
5576
5577         PR middle-end/39651
5578         * except.c (can_throw_external): Look at each insn in a SEQUENCE
5579         when deciding whether the whole SEQUENCE can throw.
5580
5581 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
5582
5583         PR target/39740
5584         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5585         offseted label references.
5586
5587 2009-04-11  Jan Hubicka  <jh@suse.cz>
5588
5589         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5590
5591 2009-04-11  Richard Guenther  <rguenther@suse.de>
5592
5593         PR middle-end/39732
5594         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5595         return variables as TREE_ADDRESSABLE.
5596
5597 2009-04-11  Richard Guenther  <rguenther@suse.de>
5598
5599         PR tree-optimization/39713
5600         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5601         reference trees have SSA_NAME operands.
5602
5603 2009-04-11  Richard Guenther  <rguenther@suse.de>
5604
5605         PR c/39712
5606         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5607         address expressions.
5608
5609 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
5610
5611         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
5612         match changes in Cygwin 1.7
5613         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5614         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
5615
5616 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5617
5618         PR tree-optimization/39701
5619         * doc/invoke.texi (Optimization Options): Document change in
5620         meaning and initialization of -fdelete-null-pointer-checks.
5621
5622 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5623
5624         PR middle-end/39701
5625         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5626
5627         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5628         here.
5629
5630         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5631
5632 2009-04-10  Chao-ying Fu  <fu@mips.com>
5633
5634         * doc/tm.texi (Instruction Output): Document
5635         TARGET_ASM_FINAL_POSTSCAN_INSN.
5636         * target.h (final_postscan_insn): New field in asm_out.
5637         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5638         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5639         * final.c (final_scan_insn): Call
5640         targetm.asm_out.final_postscan_insn after outputting
5641         an asm macro and a normal instruction.
5642
5643         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5644         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5645         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5646         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5647         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5648
5649 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
5650
5651         PR middle-end/39701
5652         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5653         variables as non-NULL even with -fdelete-null-pointer-checks.
5654
5655 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
5656
5657         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5658
5659 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5660
5661         PR target/39678
5662         * config/i386/i386.c (classify_argument): Handle SCmode with
5663         (bit_offset % 64) != 0.
5664
5665 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
5666
5667         * doc/invoke.texi (Optimize Options): Add cross-reference to
5668         -Q --help=optimizers examples.
5669
5670 2009-04-10  Ben Elliston  <bje@au.ibm.com>
5671
5672         PR target/36800
5673         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5674         regalign for the reg == fpr and TDmode case.
5675
5676 2009-04-09  David Ayers  <ayers@fsfe.org>
5677
5678         PR objc/29200
5679         * objc/objc-act.c (warn_with_method): Remove helper function.
5680         (check_duplicates): Call warning and inform directly.
5681         (really_start_method): Likewise.
5682
5683 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
5684
5685         * expmed.c (expand_divmod): Always use a comparison for a division
5686         by a large unsigned integer.
5687
5688         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5689         for things others than variables or functions as nonzero.
5690
5691 2009-04-09  Nick Clifton  <nickc@redhat.com>
5692
5693         * unwind-compat.c: Change copyright header to refer to version
5694         3 of the GNU General Public License with version 3.1 of the
5695         GCC Runtime Library Exception and to point readers at the
5696         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5697         * config/alpha/crtfastmath.c: Likewise.
5698         * config/alpha/linux-unwind.h: Likewise.
5699         * config/alpha/qrnnd.asm: Likewise.
5700         * config/alpha/vms-crt0-64.c: Likewise.
5701         * config/alpha/vms-crt0.c: Likewise.
5702         * config/alpha/vms-dwarf2.asm: Likewise.
5703         * config/alpha/vms-dwarf2eh.asm: Likewise.
5704         * config/alpha/vms-psxcrt0-64.c: Likewise.
5705         * config/alpha/vms-psxcrt0.c: Likewise.
5706         * config/alpha/vms_tramp.asm: Likewise.
5707         * config/arc/initfini.c: Likewise.
5708         * config/arc/lib1funcs.asm: Likewise.
5709         * config/arm/bpabi-v6m.S: Likewise.
5710         * config/arm/bpabi.S: Likewise.
5711         * config/arm/bpabi.c: Likewise.
5712         * config/arm/crti.asm: Likewise.
5713         * config/arm/crtn.asm: Likewise.
5714         * config/arm/ieee754-df.S: Likewise.
5715         * config/arm/ieee754-sf.S: Likewise.
5716         * config/arm/lib1funcs.asm: Likewise.
5717         * config/arm/libunwind.S: Likewise.
5718         * config/arm/linux-atomic.c: Likewise.
5719         * config/arm/mmintrin.h: Likewise.
5720         * config/arm/pr-support.c: Likewise.
5721         * config/arm/unaligned-funcs.c: Likewise.
5722         * config/arm/unwind-arm.c: Likewise.
5723         * config/arm/unwind-arm.h: Likewise.
5724         * config/avr/libgcc.S: Likewise.
5725         * config/bfin/crti.s: Likewise.
5726         * config/bfin/crtlibid.s: Likewise.
5727         * config/bfin/crtn.s: Likewise.
5728         * config/bfin/lib1funcs.asm: Likewise.
5729         * config/bfin/linux-unwind.h: Likewise.
5730         * config/cris/arit.c: Likewise.
5731         * config/cris/cris_abi_symbol.c: Likewise.
5732         * config/darwin-64.c: Likewise.
5733         * config/darwin-crt2.c: Likewise.
5734         * config/darwin-crt3.c: Likewise.
5735         * config/darwin.h: Likewise.
5736         * config/dbxelf.h: Likewise.
5737         * config/dfp-bit.c: Likewise.
5738         * config/dfp-bit.h: Likewise.
5739         * config/elfos.h: Likewise.
5740         * config/fixed-bit.c: Likewise.
5741         * config/fixed-bit.h: Likewise.
5742         * config/fp-bit.c: Likewise.
5743         * config/fp-bit.h: Likewise.
5744         * config/fr30/crti.asm: Likewise.
5745         * config/fr30/crtn.asm: Likewise.
5746         * config/fr30/lib1funcs.asm: Likewise.
5747         * config/freebsd-spec.h: Likewise.
5748         * config/frv/cmovd.c: Likewise.
5749         * config/frv/cmovh.c: Likewise.
5750         * config/frv/cmovw.c: Likewise.
5751         * config/frv/frvbegin.c: Likewise.
5752         * config/frv/frvend.c: Likewise.
5753         * config/frv/lib1funcs.asm: Likewise.
5754         * config/glibc-stdint.h: Likewise.
5755         * config/h8300/clzhi2.c: Likewise.
5756         * config/h8300/crti.asm: Likewise.
5757         * config/h8300/crtn.asm: Likewise.
5758         * config/h8300/ctzhi2.c: Likewise.
5759         * config/h8300/fixunssfsi.c: Likewise.
5760         * config/h8300/lib1funcs.asm: Likewise.
5761         * config/h8300/parityhi2.c: Likewise.
5762         * config/h8300/popcounthi2.c: Likewise.
5763         * config/i386/ammintrin.h: Likewise.
5764         * config/i386/att.h: Likewise.
5765         * config/i386/avxintrin.h: Likewise.
5766         * config/i386/biarch64.h: Likewise.
5767         * config/i386/bmmintrin.h: Likewise.
5768         * config/i386/cpuid.h: Likewise.
5769         * config/i386/cross-stdarg.h: Likewise.
5770         * config/i386/crtfastmath.c: Likewise.
5771         * config/i386/crtprec.c: Likewise.
5772         * config/i386/cygming-crtbegin.c: Likewise.
5773         * config/i386/cygming-crtend.c: Likewise.
5774         * config/i386/cygwin.asm: Likewise.
5775         * config/i386/emmintrin.h: Likewise.
5776         * config/i386/gmm_malloc.h: Likewise.
5777         * config/i386/gthr-win32.c: Likewise.
5778         * config/i386/i386.h: Likewise.
5779         * config/i386/immintrin.h: Likewise.
5780         * config/i386/linux-unwind.h: Likewise.
5781         * config/i386/linux64.h: Likewise.
5782         * config/i386/mm3dnow.h: Likewise.
5783         * config/i386/mmintrin-common.h: Likewise.
5784         * config/i386/mmintrin.h: Likewise.
5785         * config/i386/nmmintrin.h: Likewise.
5786         * config/i386/pmm_malloc.h: Likewise.
5787         * config/i386/pmmintrin.h: Likewise.
5788         * config/i386/smmintrin.h: Likewise.
5789         * config/i386/sol2-c1.asm: Likewise.
5790         * config/i386/sol2-ci.asm: Likewise.
5791         * config/i386/sol2-cn.asm: Likewise.
5792         * config/i386/sol2-gc1.asm: Likewise.
5793         * config/i386/tmmintrin.h: Likewise.
5794         * config/i386/unix.h: Likewise.
5795         * config/i386/w32-unwind.h: Likewise.
5796         * config/i386/wmmintrin.h: Likewise.
5797         * config/i386/x86-64.h: Likewise.
5798         * config/i386/x86intrin.h: Likewise.
5799         * config/i386/xmmintrin.h: Likewise.
5800         * config/ia64/crtbegin.asm: Likewise.
5801         * config/ia64/crtend.asm: Likewise.
5802         * config/ia64/crtfastmath.c: Likewise.
5803         * config/ia64/crti.asm: Likewise.
5804         * config/ia64/crtn.asm: Likewise.
5805         * config/ia64/fde-glibc.c: Likewise.
5806         * config/ia64/lib1funcs.asm: Likewise.
5807         * config/ia64/linux-unwind.h: Likewise.
5808         * config/ia64/quadlib.c: Likewise.
5809         * config/ia64/unwind-ia64.c: Likewise.
5810         * config/linux.h: Likewise.
5811         * config/m32c/m32c-lib1.S: Likewise.
5812         * config/m32c/m32c-lib2-trapv.c: Likewise.
5813         * config/m32c/m32c-lib2.c: Likewise.
5814         * config/m32r/initfini.c: Likewise.
5815         * config/m68hc11/larith.asm: Likewise.
5816         * config/m68hc11/m68hc11-crt0.S: Likewise.
5817         * config/m68k/cf.md: Likewise.
5818         * config/m68k/crti.s: Likewise.
5819         * config/m68k/crtn.s: Likewise.
5820         * config/m68k/lb1sf68.asm: Likewise.
5821         * config/m68k/linux-unwind.h: Likewise.
5822         * config/mcore/crti.asm: Likewise.
5823         * config/mcore/crtn.asm: Likewise.
5824         * config/mcore/lib1.asm: Likewise.
5825         * config/mips/linux-unwind.h: Likewise.
5826         * config/mips/loongson.h: Likewise.
5827         * config/mips/mips16.S: Likewise.
5828         * config/mmix/crti.asm: Likewise.
5829         * config/mmix/crtn.asm: Likewise.
5830         * config/pa/fptr.c: Likewise.
5831         * config/pa/hpux-unwind.h: Likewise.
5832         * config/pa/lib2funcs.asm: Likewise.
5833         * config/pa/linux-atomic.c: Likewise.
5834         * config/pa/linux-unwind.h: Likewise.
5835         * config/pa/milli64.S: Likewise.
5836         * config/pa/quadlib.c: Likewise.
5837         * config/pa/stublib.c: Likewise.
5838         * config/picochip/libgccExtras/adddi3.asm: Likewise.
5839         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5840         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5841         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5842         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5843         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5844         * config/picochip/libgccExtras/divmod15.asm: Likewise.
5845         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5846         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5847         * config/picochip/libgccExtras/longjmp.asm: Likewise.
5848         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5849         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5850         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5851         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5852         * config/picochip/libgccExtras/setjmp.asm: Likewise.
5853         * config/picochip/libgccExtras/subdi3.asm: Likewise.
5854         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5855         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5856         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5857         * config/rs6000/750cl.h: Likewise.
5858         * config/rs6000/altivec.h: Likewise.
5859         * config/rs6000/biarch64.h: Likewise.
5860         * config/rs6000/crtresfpr.asm: Likewise.
5861         * config/rs6000/crtresgpr.asm: Likewise.
5862         * config/rs6000/crtresxfpr.asm: Likewise.
5863         * config/rs6000/crtresxgpr.asm: Likewise.
5864         * config/rs6000/crtsavfpr.asm: Likewise.
5865         * config/rs6000/crtsavgpr.asm: Likewise.
5866         * config/rs6000/darwin-asm.h: Likewise.
5867         * config/rs6000/darwin-fallback.c: Likewise.
5868         * config/rs6000/darwin-fpsave.asm: Likewise.
5869         * config/rs6000/darwin-ldouble.c: Likewise.
5870         * config/rs6000/darwin-tramp.asm: Likewise.
5871         * config/rs6000/darwin-unwind.h: Likewise.
5872         * config/rs6000/darwin-vecsave.asm: Likewise.
5873         * config/rs6000/darwin-world.asm: Likewise.
5874         * config/rs6000/e500crtres32gpr.asm: Likewise.
5875         * config/rs6000/e500crtres64gpr.asm: Likewise.
5876         * config/rs6000/e500crtres64gprctr.asm: Likewise.
5877         * config/rs6000/e500crtrest32gpr.asm: Likewise.
5878         * config/rs6000/e500crtrest64gpr.asm: Likewise.
5879         * config/rs6000/e500crtresx32gpr.asm: Likewise.
5880         * config/rs6000/e500crtresx64gpr.asm: Likewise.
5881         * config/rs6000/e500crtsav32gpr.asm: Likewise.
5882         * config/rs6000/e500crtsav64gpr.asm: Likewise.
5883         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5884         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5885         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5886         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5887         * config/rs6000/eabi-ci.asm: Likewise.
5888         * config/rs6000/eabi-cn.asm: Likewise.
5889         * config/rs6000/eabi.asm: Likewise.
5890         * config/rs6000/linux-unwind.h: Likewise.
5891         * config/rs6000/linux64.h: Likewise.
5892         * config/rs6000/paired.h: Likewise.
5893         * config/rs6000/paired.md: Likewise.
5894         * config/rs6000/ppc64-fp.c: Likewise.
5895         * config/rs6000/ppu_intrinsics.h: Likewise.
5896         * config/rs6000/rs6000.h: Likewise.
5897         * config/rs6000/si2vmx.h: Likewise.
5898         * config/rs6000/sol-ci.asm: Likewise.
5899         * config/rs6000/sol-cn.asm: Likewise.
5900         * config/rs6000/spe.h: Likewise.
5901         * config/rs6000/spu2vmx.h: Likewise.
5902         * config/rs6000/sysv4.h: Likewise.
5903         * config/rs6000/tramp.asm: Likewise.
5904         * config/rs6000/vec_types.h: Likewise.
5905         * config/s390/linux-unwind.h: Likewise.
5906         * config/s390/tpf-unwind.h: Likewise.
5907         * config/score/crti.asm: Likewise.
5908         * config/score/crtn.asm: Likewise.
5909         * config/sh/crt1.asm: Likewise.
5910         * config/sh/crti.asm: Likewise.
5911         * config/sh/crtn.asm: Likewise.
5912         * config/sh/divtab-sh4-300.c: Likewise.
5913         * config/sh/divtab-sh4.c: Likewise.
5914         * config/sh/divtab.c: Likewise.
5915         * config/sh/lib1funcs-4-300.asm: Likewise.
5916         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5917         * config/sh/lib1funcs.asm: Likewise.
5918         * config/sh/lib1funcs.h: Likewise.
5919         * config/sh/linux-atomic.asm: Likewise.
5920         * config/sh/linux-unwind.h: Likewise.
5921         * config/sh/shmedia.h: Likewise.
5922         * config/sh/sshmedia.h: Likewise.
5923         * config/sh/ushmedia.h: Likewise.
5924         * config/sparc/crtfastmath.c: Likewise.
5925         * config/sparc/linux-unwind.h: Likewise.
5926         * config/sparc/sol2-c1.asm: Likewise.
5927         * config/sparc/sol2-ci.asm: Likewise.
5928         * config/sparc/sol2-cn.asm: Likewise.
5929         * config/spu/divmodti4.c: Likewise.
5930         * config/spu/divv2df3.c: Likewise.
5931         * config/spu/float_disf.c: Likewise.
5932         * config/spu/float_unsdidf.c: Likewise.
5933         * config/spu/float_unsdisf.c: Likewise.
5934         * config/spu/float_unssidf.c: Likewise.
5935         * config/spu/mfc_multi_tag_release.c: Likewise.
5936         * config/spu/mfc_multi_tag_reserve.c: Likewise.
5937         * config/spu/mfc_tag_release.c: Likewise.
5938         * config/spu/mfc_tag_reserve.c: Likewise.
5939         * config/spu/mfc_tag_table.c: Likewise.
5940         * config/spu/multi3.c: Likewise.
5941         * config/spu/spu_internals.h: Likewise.
5942         * config/spu/spu_intrinsics.h: Likewise.
5943         * config/spu/spu_mfcio.h: Likewise.
5944         * config/spu/vec_types.h: Likewise.
5945         * config/spu/vmx2spu.h: Likewise.
5946         * config/stormy16/stormy16-lib2.c: Likewise.
5947         * config/svr4.h: Likewise.
5948         * config/sync.c: Likewise.
5949         * config/v850/lib1funcs.asm: Likewise.
5950         * config/vxlib-tls.c: Likewise.
5951         * config/vxlib.c: Likewise.
5952         * config/vxworks-dummy.h: Likewise.
5953         * config/xtensa/crti.asm: Likewise.
5954         * config/xtensa/crtn.asm: Likewise.
5955         * config/xtensa/ieee754-df.S: Likewise.
5956         * config/xtensa/ieee754-sf.S: Likewise.
5957         * config/xtensa/lib1funcs.asm: Likewise.
5958         * config/xtensa/lib2funcs.S: Likewise.
5959         * config/xtensa/linux-unwind.h: Likewise.
5960         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5961         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5962         * coretypes.h: Likewise.
5963         * crtstuff.c: Likewise.
5964         * defaults.h: Likewise.
5965         * dwarf2.h: Likewise.
5966         * emutls.c: Likewise.
5967         * gbl-ctors.h: Likewise.
5968         * gcov-io.h: Likewise.
5969         * ginclude/float.h: Likewise.
5970         * ginclude/iso646.h: Likewise.
5971         * ginclude/stdarg.h: Likewise.
5972         * ginclude/stdbool.h: Likewise.
5973         * ginclude/stddef.h: Likewise.
5974         * ginclude/stdfix.h: Likewise.
5975         * ginclude/stdint-gcc.h: Likewise.
5976         * ginclude/tgmath.h: Likewise.
5977         * gthr-aix.h: Likewise.
5978         * gthr-dce.h: Likewise.
5979         * gthr-gnat.c: Likewise.
5980         * gthr-gnat.h: Likewise.
5981         * gthr-lynx.h: Likewise.
5982         * gthr-mipssde.h: Likewise.
5983         * gthr-nks.h: Likewise.
5984         * gthr-posix.c: Likewise.
5985         * gthr-posix.h: Likewise.
5986         * gthr-posix95.h: Likewise.
5987         * gthr-rtems.h: Likewise.
5988         * gthr-single.h: Likewise.
5989         * gthr-solaris.h: Likewise.
5990         * gthr-tpf.h: Likewise.
5991         * gthr-vxworks.h: Likewise.
5992         * gthr-win32.h: Likewise.
5993         * gthr.h: Likewise.
5994         * libgcc2.c: Likewise.
5995         * libgcc2.h: Likewise.
5996         * libgcov.c: Likewise.
5997         * tsystem.h: Likewise.
5998         * typeclass.h: Likewise.
5999         * unwind-c.c: Likewise.
6000         * unwind-compat.h: Likewise.
6001         * unwind-dw2-fde-compat.c: Likewise.
6002         * unwind-dw2-fde-darwin.c: Likewise.
6003         * unwind-dw2-fde-glibc.c: Likewise.
6004         * unwind-dw2-fde.c: Likewise.
6005         * unwind-dw2-fde.h: Likewise.
6006         * unwind-dw2.c: Likewise.
6007         * unwind-dw2.h: Likewise.
6008         * unwind-generic.h: Likewise.
6009         * unwind-pe.h: Likewise.
6010         * unwind-sjlj.c: Likewise.
6011         * unwind.inc: Likewise.
6012         * config/arm/neon-gen.ml: Change generated copyright header to
6013         refer to version 3 of the GNU General Public License with
6014         version 3.1 of the GCC Runtime Library Exception and to point
6015         readers at the COPYING3 and COPYING3.RUNTIME files and the
6016         FSF's license web page.
6017         * config/arm/arm_neon.h: Regenerate.
6018
6019 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
6020
6021         * config/cris/cris.md: Change copyright header to refer to version
6022         3 of the GNU General Public License.
6023         * doc/install.texi2html: Change copyright header to refer to version
6024         3 of the GNU General Public License and to point readers at the
6025         COPYING3 file and the FSF's license web page.
6026         * config/vax/linux.h: Likewise.
6027
6028 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
6029
6030         * config/i386/i386.md (cmpcc): New.
6031         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
6032         (sync_compare_and_swap_cc*): Delete.
6033
6034         * config/s390/s390.c (s390_compare_emitted): Remove.
6035         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
6036         s390_compare_emitted used to be handled.  Assert that modes match.
6037         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
6038         refer to sync_compare_and_swap_ccsi.
6039         * config/s390/s390.h (s390_compare_emitted): Remove.
6040         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
6041         instead of s390_compare_emitted.
6042         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
6043         instead of s390_compare_emitted.
6044         * config/s390/s390.md (cmpcc): New.
6045         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
6046         CC_REGNUM, do not pretend it's set.
6047         (sync_compare_and_swap_cc*): Delete.
6048         * config/s390/predicates.md (cc_reg_operand): New.
6049
6050         * expr.c (sync_compare_and_swap_cc): Delete.
6051         * optabs.h (sync_compare_and_swap_cc): Delete.
6052         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
6053         is being used with can_compare_p.
6054         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
6055         (find_cc_set): New.
6056         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
6057         look for a MODE_CC set instead.  Use emit_store_flag.
6058         (expand_compare_and_swap_loop): Likewise, with some additional
6059         complication to avoid a force_reg when useless.  Use
6060         emit_cmp_and_jump_insns.
6061         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
6062         * doc/md.texi (sync_compare_and_swap_cc): Merge with
6063         sync_compare_and_swap documentation.
6064
6065 2009-04-09  Jan Hubicka  <jh@suse.cz>
6066
6067         * except.c (find_prev_try): Break out from ....
6068         (duplicate_eh_regions): ... here; properly update prev_try pointers
6069         when duplication part of tree.
6070         (dump_eh_tree): Improve dumping.
6071         (verify_eh_region): New.
6072         (verify_eh_tree): Use it.
6073
6074 2009-04-06  Richard Guenther  <rguenther@suse.de>
6075
6076         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
6077         &ARRAY addresses by adjusting their types and prepending
6078         a conversion.
6079         * tree-cfg.c (verify_gimple_assign_single): Verify that
6080         addresses are correct.
6081
6082 2009-04-09  Richard Guenther  <rguenther@suse.de>
6083
6084         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
6085         indices into an array reference if possible.
6086         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6087         Fold POINTER_PLUS_EXPR statements with invariant address.
6088
6089 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
6090
6091         PR target/39634
6092         * config.gcc (powerpc64-*-linux*): Always build biarch.
6093
6094 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
6095
6096         PR c/39613
6097         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
6098         it and pedwarn if this results in an INTEGER_CST.
6099
6100 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6101
6102         * doc/install.texi: Update minimum GMP version.  Remove obsolete
6103         text in MPFR section.
6104
6105 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
6106
6107         * dwarf2out.c (class_scope_p): New static inline.
6108         (class_or_namespace_scope_p): Use it.
6109         (gen_variable_die): Use DW_TAG_member tag for static data member
6110         declarations instead of DW_TAG_variable.
6111
6112         PR middle-end/39573
6113         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
6114         variables.
6115
6116 2009-04-08  Richard Guenther  <rguenther@suse.de>
6117
6118         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
6119         valueize random data.
6120
6121 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
6122
6123         * config.gcc (aix tm_file):  Add aix-stdint.h.
6124         (aix tm clause use_gcc_stdint):  Set to wrap.
6125         * config/rs6000/aix-stdint.h:  New file.
6126
6127 2009-04-08  Richard Guenther  <rguenther@suse.de>
6128
6129         PR middle-end/36291
6130         * tree-dfa.c (add_referenced_var): Do not recurse into
6131         global initializers.
6132         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
6133         exposed variables.
6134         (fold_const_aggregate_ref): Likewise.
6135
6136 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6137
6138         * recog.c (ordered_comparison_operator): New.
6139         * gensupport.c (std_preds): Add it.
6140         * doc/md.texi (Machine-Independent Predicates): Document it.
6141
6142 2009-04-08  Jan Hubicka  <jh@suse.cz>
6143
6144         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
6145         * function.h (rtl_eh): Remove exception_handler_label_map.
6146         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
6147         remove_exception_handler_label, for_each_eh_label_1): Remove.
6148         (rtl_remove_unreachable_regions): Remove.
6149         (convert_from_eh_region_ranges): Do not remove unreachable regions.
6150         (find_exception_handler_labels): Don't build the hashtable.
6151         (maybe_remove_eh_handler): Remove.
6152         (for_each_eh_label): Rewrite to walk the tree.
6153         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
6154         * except.h (maybe_remove_eh_handler): Remove.
6155         * passes.c (init_optimization_passes): Schedule second EH cleanup
6156         before out-of-ssa.
6157         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
6158         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
6159
6160 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
6161
6162         * genoutput.c (validate_optab_operands): New.
6163         (gen_insn, gen_expand): Call it.
6164
6165         * genflags.c (gen_insn): Detect misused iterators.
6166         (main): Pass line_no to gen_insn, exit with status 1 on error.
6167
6168         * genextract.c (line_no): Make global.
6169         (VEC_safe_set_locstr): Change assertion to error message.
6170         (main): Exit with status 1 on error.
6171
6172 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
6173
6174         PR c/39614
6175         PR c/39673
6176         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6177         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6178         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
6179         * c-convert.c (convert): Do not call fold on results of conversion
6180         functions when the result is a C_MAYBE_CONST_EXPR.
6181         * c-parser.c (c_parser_postfix_expression): Do not fold condition
6182         of __builtin_choose_expr.
6183         * c-typeck.c (remove_c_maybe_const_expr): New.
6184         (build_unary_op, build_conditional_expr, build_compound_expr,
6185         build_binary_op, c_objc_common_truthvalue_conversion): Call
6186         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
6187         integer operands.
6188
6189 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
6190
6191         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6192         CODE to produce a new one. Add a prototype to use fold_convert_const
6193
6194 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
6195
6196         PR bootstrap/39660
6197         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
6198         mix declarations and code.
6199
6200 2009-04-08  Ben Elliston  <bje@au.ibm.com>
6201
6202         * gcc.c: Replace `CC' with `GCC' throughout.
6203
6204 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
6205
6206         * doc/invoke.texi: Document Atom support.
6207
6208 2009-04-07  Jason Merrill  <jason@redhat.com>
6209
6210         PR c++/25185
6211         * c-common.h, c-common.c: Add flag_pretty_templates.
6212         * c-opts.c (c_common_handle_option): Set it.
6213         * c.opt: Add -fno-pretty-templates.
6214         * doc/invoke.texi (C++ Dialect Options): Likewise.
6215
6216 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
6217
6218         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
6219         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6220         (ia64_expand_builtin): Likewise.
6221
6222 2009-04-07  Martin Jambor  <mjambor@suse.cz>
6223
6224         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6225         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6226         ADDR_EXPRS are include too.
6227
6228 2009-04-07  Richard Guenther  <rguenther@suse.de>
6229
6230         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6231         decls are only used if passes as parameters or if they are
6232         local statics and the call is not to a builtin.
6233         (call_may_clobber_ref_p_1): Likewise.
6234
6235 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6236
6237         * expr.c (do_store_flag): Remove last argument.  Simplify code
6238         to avoid duplication of tests already done by can_compare_p.
6239         (expand_expr_real_1): Adjust caller.
6240
6241 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6242
6243         * optabs.c (can_compare_p): Test the predicate of a
6244         cbranch and cstore pattern.
6245
6246 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6247
6248         * expr.c (convert_move): Use emit_store_flag instead of
6249         "emulating" it.
6250
6251 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
6252
6253         * config/i386/i386.c (ix86_compare_emitted): Remove.
6254         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
6255         ix86_compare_op0 like ix86_compare_emitted used to be handled.
6256         * config/i386/i386.h (ix86_compare_emitted): Remove.
6257         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
6258         instead of ix86_compare_emitted.
6259         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
6260
6261 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
6262
6263         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
6264         Add t-sysroot-suffix to tmake_file.
6265         * config/print-sysroot-suffix.sh: New file.
6266         * config/t-sysroot-suffix: New file.
6267
6268 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6269
6270         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
6271         as the latter produces a warning when the target does not support
6272         infinity.
6273
6274 2009-04-07  Ben Elliston  <bje@au.ibm.com>
6275
6276         * dfp.c: Replace type punning assignments with memcpy throughout.
6277         * Makefile.in (dfp.o-warn): Remove.
6278
6279 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
6280
6281         PR target/39634
6282         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
6283         Include soft-fp/t-softfp after rs6000/t-linux64.
6284
6285 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
6286
6287         * stor-layout.c (set_sizetype): Use the full precision of their
6288         machine mode for bitsize types.
6289
6290 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
6291
6292         * config/i386/i386.md: Revert 2 accidental checkins.
6293
6294 2009-04-06  Joey Ye  <joey.ye@intel.com>
6295             Xuepeng Guo  <xuepeng.guo@intel.com>
6296             H.J. Lu  <hongjiu.lu@intel.com>
6297
6298         Atom pipeline model, tuning and insn selection.
6299         * config.gcc (atom): Add atom config options and target.
6300
6301         * config/i386/atom.md: New.
6302
6303         * config/i386/i386.c (atom_cost): New cost.
6304         (m_ATOM): New macro flag.
6305         (initial_ix86_tune_features): Set m_ATOM.
6306         (x86_accumulate_outgoing_args): Likewise.
6307         (x86_arch_always_fancy_math_387): Likewise.
6308         (processor_target): Add Atom cost.
6309         (cpu_names): Add Atom cpu name.
6310         (override_options): Set Atom ISA.
6311         (ix86_issue_rate): New case PROCESSOR_ATOM.
6312         (ix86_adjust_cost): Likewise.
6313
6314         * config/i386/i386.h (TARGET_ATOM): New target macro.
6315         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6316         (TARGET_OPT_AGU): New target option.
6317         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6318         (processor_type): Add PROCESSOR_ATOM.
6319
6320         * config/i386/i386.md (cpu): Add new value "atom".
6321         (use_carry, movu): New attr.
6322         (atom.md): Include atom.md.
6323         (adddi3_carry_rex64): Set attr "use_carry".
6324         (addqi3_carry): Likewise.
6325         (addhi3_carry): Likewise.
6326         (addsi3_carry): Likewise.
6327         (*addsi3_carry_zext): Likewise.
6328         (subdi3_carry_rex64): Likewise.
6329         (subqi3_carry): Likewise.
6330         (subhi3_carry): Likewise.
6331         (subsi3_carry): Likewise.
6332         (x86_movdicc_0_m1_rex64): Likewise.
6333         (*x86_movdicc_0_m1_se): Likewise.
6334         (x86_movsicc_0_m1): Likewise.
6335         (*x86_movsicc_0_m1_se): Likewise.
6336         (*adddi_1_rex64): Emit add insn as much as possible.
6337         (*addsi_1): Likewise.
6338         (return_internal): Set atom_unit.
6339         (return_internal_long): Likewise.
6340         (return_pop_internal): Likewise.
6341         (*rcpsf2_sse): Set atom_sse_attr attr.
6342         (*qrt<mode>2_sse): Likewise.
6343         (*prefetch_sse): Likewise.
6344
6345         * config/i386/i386-c.c (ix86_target_macros_internal): New case
6346         PROCESSOR_ATOM.
6347         (ix86_target_macros_internal): Likewise.
6348
6349         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6350         (*prefetch_sse_rex): Likewise.
6351         (sse_rcpv4sf2): Likewise.
6352         (sse_vmrcpv4sf2): Likewise.
6353         (sse_sqrtv4sf2): Likewise.
6354         (<sse>_vmsqrt<mode>2): Likewise.
6355         (sse_ldmxcsr): Likewise.
6356         (sse_stmxcsr): Likewise.
6357         (*sse_sfence): Likewise.
6358         (sse2_clflush): Likewise.
6359         (*sse2_mfence): Likewise.
6360         (*sse2_lfence): Likewise.
6361         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6362         (<sse>_movup<ssemodesuffixf2c>): Likewise.
6363         (avx_movdqu<avxmodesuffix>): Likewise.
6364         (avx_lddqu<avxmodesuffix>): Likewise.
6365         (sse2_movntv2di): Change attr "type" to "ssemov".
6366         (sse2_movntsi): Likewise.
6367         (rsqrtv8sf2): Change attr "type" to "sseadd".
6368         (sse3_addsubv2df3): Set attr "atom_unit".
6369         (sse3_h<plusminus_insn>v4sf3): Likewise.
6370         (*sse2_pmaddwd): Likewise.
6371         (*vec_extractv2di_1_rex64): Likewise.
6372         (*vec_extractv2di_1_avx): Likewise.
6373         (sse2_psadbw): Likewise.
6374         (ssse3_phaddwv8hi3): Likewise.
6375         (ssse3_phaddwv4hi3): Likewise.
6376         (ssse3_phadddv4si3): Likewise.
6377         (ssse3_phadddv2si3): Likewise.
6378         (ssse3_phaddswv8hi3): Likewise.
6379         (ssse3_phaddswv4hi3): Likewise.
6380         (ssse3_phsubwv8hi3): Likewise.
6381         (ssse3_phsubwv4hi3): Likewise.
6382         (ssse3_phsubdv4si3): Likewise.
6383         (ssse3_phsubdv2si3): Likewise.
6384         (ssse3_phsubswv8hi3): Likewise.
6385         (ssse3_phsubswv4hi3): Likewise.
6386         (ssse3_pmaddubsw128): Likewise.
6387         (sse3_pmaddubsw: Likewise.
6388         (ssse3_palignrti): Likewise.
6389         (ssse3_palignrdi): Likewise.
6390
6391 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
6392
6393         * doc/install.texi (Specific): Fix two cross-references to MinGW.
6394
6395 2009-04-06  Richard Guenther  <rguenther@suse.de>
6396
6397         PR tree-optimization/28868
6398         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6399         of which PHI results we inserted.
6400         (insert_into_preds_of_block): Record inserted PHIs.
6401         (eliminate): Eliminate redundant PHI nodes.
6402         (init_pre): Init inserted_phi_names.
6403
6404 2009-04-06  Richard Guenther  <rguenther@suse.de>
6405
6406         PR tree-optimization/39643
6407         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6408         IMAGPART_EXPRs of complex constants.
6409         (execute_fold_all_builtins): If we folded a call queue
6410         TODO_update_address_taken.
6411
6412 2009-04-06  Jan Hubicka  <jh@suse.cz>
6413
6414         PR middle-end/39659
6415         * except.c (remove_unreachable_regions): Propagate may_contain_throw
6416         flag.
6417
6418 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
6419
6420         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6421         delay slot.
6422         (ic_invalidate_array): Likewise.
6423
6424 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
6425
6426         * calls.c (emit_library_call_value_1): Fix a problem with parameter
6427         alignment for library calls.
6428
6429 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
6430
6431         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
6432         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
6433         * config/i386/mingw-stdint.h:  New file.
6434
6435 2009-04-05  Richard Guenther  <rguenther@suse.de>
6436
6437         PR tree-optimization/39648
6438         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6439         our &A vs. &A[0] IL deficiencies.
6440
6441 2009-04-04  Jan Hubicka  <jh@suse.cz>
6442
6443         * except.c (sjlj_find_directly_reachable_regions): Be ready for
6444         removed toplevel regions.
6445         (sjlj_mark_call_sites): Likewise.
6446
6447 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
6448
6449         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
6450         (cygwin tm clause use_gcc_stdint):  Set to wrap.
6451         * config/i386/cygwin-stdint.h:  New file.
6452
6453 2009-04-04  Richard Guenther  <rguenther@suse.de>
6454
6455         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6456         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6457         single-argument PHIs if we are in loop-closed SSA form.
6458         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6459         for the pre-condition.
6460         (slpeel_tree_peel_loop_to_edge): Likewise.
6461         (vect_build_loop_niters): Take an optional sequence to append stmts.
6462         (vect_generate_tmps_on_preheader): Likewise.
6463         (vect_do_peeling_for_loop_bound): Take extra guards for the
6464         pre-condition.
6465         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
6466         the cost model check.
6467         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6468         guards if we are going to peel.  Do not apply versioning in that case.
6469         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6470         (vect_do_peeling_for_loop_bound): Likewise.
6471         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6472         loop bound only record extra pre-conditions, do not apply loop
6473         versioning.
6474
6475 2009-04-04  Richard Guenther  <rguenther@suse.de>
6476
6477         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6478         renaming code.
6479
6480 2009-04-04  Jan Hubicka  <jh@suse.cz>
6481
6482         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6483         last_basic_block for size of bb->index indexed array.
6484         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6485         compute_out, link_btr_uses, build_btr_def_use_webs,
6486         build_btr_def_use_webs, migrate_btr_defs): Likewise.
6487
6488 2009-04-04  Jan Hubicka  <jh@suse.cz>
6489
6490         * except.c (remove_eh_handler_and_replace): Break out from ...
6491         (remove_eh_handler): ... here.
6492         (bring_to_root): New function.
6493         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6494         handled ones, bring others to root of tree.
6495
6496 2009-04-04  Jan Hubicka  <jh@suse.cz>
6497
6498         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6499         (all_phis_safe_to_merge): New function.
6500         (update_info): New structure.
6501         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6502         (cleanup_empty_eh): Update SSA if possible.
6503
6504 2009-04-04  Richard Guenther  <rguenther@suse.de>
6505
6506         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6507         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6508         (append_vuse): Likewise.
6509
6510 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
6511
6512         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6513         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6514         instead of REG_UNSAVED for DW_CFA_undefined.
6515         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6516         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6517         outermost frame.
6518
6519 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
6520
6521         PR target/39501
6522         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6523         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6524         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6525
6526 2009-04-04  Richard Guenther  <rguenther@suse.de>
6527
6528         PR tree-optimization/8781
6529         PR tree-optimization/37892
6530         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6531         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6532         (valueize_refs): Call it for *& valueizations.
6533         (shared_reference_ops_from_ref): Rename to ...
6534         (valueize_shared_reference_ops_from_ref): ... this and valueize.
6535         (shared_reference_ops_from_call): Rename to ...
6536         (valueize_shared_reference_ops_from_call): ... this and valueize.
6537         (vn_reference_lookup): Update.
6538         (visit_reference_op_call): Likewise.
6539         * tree-ssa-pre.c (phi_translate_1): Fold *&.
6540         (eliminate): Value-replace the call address in call statements.
6541
6542 2009-04-04  Richard Guenther  <rguenther@suse.de>
6543
6544         PR tree-optimization/39636
6545         * tree-ssa-forwprop.c
6546         (forward_propagate_addr_into_variable_array_index): Check for
6547         GIMPLE_ASSIGN before accessing the rhs code.
6548
6549 2009-04-03  Jason Merrill  <jason@redhat.com>
6550
6551         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6552
6553 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
6554
6555         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6556         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6557         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6558         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6559         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6560         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6561         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6562         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6563         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6564         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6565         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6566         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6567         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6568         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6569         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6570         Use fr_reg_or_fp01_operand instead of fr_register_operand
6571
6572         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6573         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6574         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6575
6576 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
6577
6578         PR rtl-optimization/39607
6579         PR rtl-optimization/39631
6580
6581         Revert:
6582
6583         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
6584         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6585         instead of DF_LR_OUT.
6586         * ira-lives.c (process_bb_node_lives): Ditto.
6587         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6588         instead of DF_LR_{OUT,IN}.
6589         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6590         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6591
6592 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
6593
6594         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6595         (execute_lower_omp): Always run but take the short way out if -fopenmp
6596         is not given.
6597         (gate_lower_omp): Remove, forcing the pass manager to always run the
6598         pass and always set PROP_gimple_lomp.
6599         (pass_lower_omp): Remove gate function.
6600         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6601         PROP_trees.  Instead, require it.
6602         * ipa-cp.c (pass_ipa_cp): Likewise.
6603         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6604         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6605         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6606         and PROP_gimple_leh.
6607
6608 2009-04-03  Richard Guenther  <rguenther@suse.de>
6609
6610         PR middle-end/13146
6611         PR tree-optimization/23940
6612         PR tree-optimization/33237
6613         PR middle-end/33974
6614         PR middle-end/34093
6615         PR tree-optimization/36201
6616         PR tree-optimization/36230
6617         PR tree-optimization/38049
6618         PR tree-optimization/38207
6619         PR tree-optimization/38230
6620         PR tree-optimization/38301
6621         PR tree-optimization/38585
6622         PR middle-end/38895
6623         PR tree-optimization/38985
6624         PR tree-optimization/39299
6625         * tree-ssa-structalias.h: Remove.
6626         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6627         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6628         (struct vuse_element_d): Remove.
6629         (struct vuse_vec_d): Likewise.
6630         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6631         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6632         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6633         VUSE_ELEMENT_VAR): Likewise.
6634         (struct voptype_d): Likewise.
6635         (NUM_VOP_FREE_BUCKETS): Likewise.
6636         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6637         (struct stmt_operands_d): Remove.
6638         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6639         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6640         VDEF_NUM, VDEF_VECT): Likewise.
6641         (copy_virtual_operands): Remove.
6642         (operand_build_cmp): Likewise.
6643         (create_ssa_artificial_load_stmt): Likewise.
6644         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6645         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6646         vuse_index and mayuse_index members.  Pack and move done and iter_type
6647         members to the front.
6648         (SSA_OP_VMAYUSE): Remove.
6649         (SSA_OP_VIRTUAL_USES): Adjust.
6650         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6651         (unlink_stmt_vdef): Declare.
6652         (add_to_addressable_set): Remove.
6653         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6654         (vrp_visit_stmt): Likewise.
6655         * doc/tree-ssa.texi (Alias analysis): Update.
6656         * doc/invoke.texi (max-aliased-vops): Remove docs.
6657         (avg-aliased-vops): Likewise.
6658         * tree-into-ssa.c (syms_to_rename): Remove.
6659         (need_to_update_vops_p): Likewise.
6660         (need_to_initialize_update_ssa_p): Rename to ...
6661         (update_ssa_initialized_fn): ... this.  Track function we are
6662         initialized for.
6663         (symbol_marked_for_renaming): Simplify.
6664         (add_new_name_mapping): Do not set need_to_update_vops_p.
6665         (dump_currdefs): Use SYMS_TO_RENAME.
6666         (rewrite_update_stmt): Always walk all uses/defs.
6667         (dump_update_ssa): Adjust.
6668         (init_update_ssa): Take function argument.  Track what we are
6669         initialized for.
6670         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6671         (create_new_def_for): Initialize for cfun, assert we are initialized
6672         for cfun.
6673         (mark_sym_for_renaming): Simplify.
6674         (mark_set_for_renaming): Do not initialize update-ssa.
6675         (need_ssa_update_p): Simplify.  Take function argument.
6676         (name_mappings_registered_p): Assert we ask for the correct function.
6677         (name_registered_for_update_p): Likewise.
6678         (ssa_names_to_replace): Likewise.
6679         (release_ssa_name_after_update_ssa): Likewise.
6680         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
6681         (dump_decl_set): Do not print a newline.
6682         (debug_decl_set): Do it here.
6683         (dump_update_ssa): And here.
6684         * tree-ssa-loop-im.c (move_computations): Adjust.
6685         (movement_possibility): Likewise.
6686         (determine_max_movement): Likewise.
6687         (gather_mem_refs_stmt): Likewise.
6688         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6689         or NAME_MEMORY_TAG.
6690         * tree-complex.c (update_all_vops): Remove.
6691         (expand_complex_move): Adjust.
6692         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6693         Simplify test for memory referencing statement.  Exclude
6694         non-invariant ADDR_EXPRs.
6695         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6696         * tree-loop-distribution.c (generate_memset_zero): Adjust.
6697         (rdg_flag_uses): Likewise.
6698         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6699         related code.
6700         (tree_optimize_tail_calls_1): Also split the
6701         edge from the entry block if we have degenerate PHI nodes in
6702         the first basic block.
6703         * tree.c (init_ttree): Remove memory-tag related code.
6704         (tree_code_size): Likewise.
6705         (tree_node_structure): Likewise.
6706         (build7_stat): Re-write to be build6_stat.
6707         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6708         (SSA_VAR_P): Adjust.
6709         (struct tree_memory_tag): Remove.
6710         (struct tree_memory_partition_tag): Likewise.
6711         (union tree_node): Adjust.
6712         (build7): Re-write to be build6.
6713         * tree-pass.h (pass_reset_cc_flags): Remove.
6714         (TODO_update_address_taken): New flag.
6715         (pass_simple_dse): Remove.
6716         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6717         * params.h (MAX_ALIASED_VOPS): Remove.
6718         (AVG_ALIASED_VOPS): Likewise.
6719         * omp-low.c (expand_omp_taskreg): Update SSA form.
6720         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6721         aliases the lhs in a copy stmt.
6722         * tree-ssa-dse.c (struct address_walk_data): Remove.
6723         (memory_ssa_name_same): Likewise.
6724         (memory_address_same): Likewise.
6725         (get_kill_of_stmt_lhs): Likewise.
6726         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
6727         unused stores.  Look through PHI nodes into post-dominated regions.
6728         (dse_optimize_stmt): Simplify.  Properly remove stores.
6729         (tree_ssa_dse): Compute dominators.
6730         (execute_simple_dse): Remove.
6731         (pass_simple_dse): Likewise.
6732         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6733         gimple_loaded_syms and gimple_stored_syms computation.
6734         * toplev.c (dump_memory_report): Dump alias and pta stats.
6735         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6736         (vn_reference_eq): Likewise.
6737         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6738         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6739         valueize_vuses): Remove.
6740         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
6741         (get_def_ref_stmt_vuse): ... this.
6742         (vn_reference_lookup_2): New function.
6743         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6744         walking equivalent vuses.  Simplify.
6745         (vn_reference_lookup): Likewise.
6746         (vn_reference_insert): Likewise.
6747         (vn_reference_insert_pieces): Likewise.
6748         (visit_reference_op_call): Simplify.
6749         (visit_reference_op_load): Likewise.
6750         (visit_reference_op_store): Likewise.
6751         (init_scc_vn): Remove shared_lookup_vuses initialization.
6752         (free_scc_vn): Remove shared_lookup_vuses freeing.
6753         (sort_vuses, sort_vuses_heap): Remove.
6754         (get_ref_from_reference_ops): Export.
6755         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6756         vector with single vuse pointer.
6757         (vn_reference_lookup_pieces, vn_reference_lookup,
6758         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6759         (shared_vuses_from_stmt): Remove.
6760         (get_ref_from_reference_ops): Declare.
6761         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6762         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6763         memory-tag related code.
6764         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6765         (likely_value): Add comment, skip static-chain of call statements.
6766         (surely_varying_stmt_p): Adjust.
6767         (gimplify_and_update_call_from_tree): Likewise.
6768         (execute_fold_all_builtins): Do not rebuild alias info.
6769         (gimplify_and_update_call_from_tree): Properly update VOPs.
6770         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6771         (copy_ref_info): Remove memory-tag related code.
6772         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6773         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6774         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6775         computation.
6776         * tree-ssa-dom.c (gimple_p): Remove typedef.
6777         (eliminate_redundant_computations): Adjust.
6778         (record_equivalences_from_stmt): Likewise.
6779         (avail_expr_hash): Likewise.
6780         (avail_expr_eq): Likewise.
6781         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6782         (stmt_makes_single_load): Likewise.
6783         (stmt_makes_single_store): Likewise.
6784         * tree-ssa-alias.c: Rewrite completely.
6785         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6786         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6787         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6788         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6789         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6790         Remove public functions.
6791         (pass_reset_cc_flags): Remove.
6792         (pass_build_alias): Move ...
6793         * tree-ssa-structalias.c (pass_build_alias): ... here.
6794         * tree-ssa-alias.c (may_be_aliased): Move ...
6795         * tree-flow-inline.h (may_be_aliased): ... here.
6796         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6797         count_uses_and_derefs): Move ...
6798         * gimple.c: ... here.
6799         * gimple.h (count_uses_and_derefs): Declare.
6800         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6801         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6802         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6803         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6804         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6805         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6806         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6807         New functions.
6808         * tree-dfa.c (refs_may_alias_p): Move ...
6809         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
6810         * tree-ssa-alias.h: New file.
6811         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6812         (statement_sink_location): Likewise.
6813         * opts.c (decode_options): Do not adjust max-aliased-vops or
6814         avg-aliased-vops values.
6815         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6816         (TV_CALL_CLOBBER): Likewise.
6817         (TV_FLOW_SENSITIVE): Likewise.
6818         (TV_FLOW_INSENSITIVE): Likewise.
6819         (TV_MEMORY_PARTITIONING): Likewise.
6820         (TV_ALIAS_STMT_WALK): New timevar.
6821         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6822         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6823         (get_address_description): Remove memory-tag related code.
6824         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6825         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6826         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6827         and immediate uses in statements.  Document.
6828         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6829         (dump_symbols): Remove.
6830         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6831         * alias.c (get_deref_alias_set): New function split out from ...
6832         (get_alias_set): ... here.
6833         * alias.h (get_deref_alias_set): Declare.
6834         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6835         type parameter.  Remove restrict pointer handling.  Create a
6836         ref-all pointer in case type-based alias sets do not conflict.
6837         (vect_analyze_data_refs): Remove SMT related code.
6838         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6839         (vectorizable_load): Likewise.
6840         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6841         (DR_SYMBOL_TAG, DR_VOPS): Remove.
6842         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6843         Ignore vops and SMTs.
6844         (dr_analyze_alias): Likewise..
6845         (free_data_ref): Likewise.
6846         (create_data_ref): Likewise.
6847         (analyze_all_data_dependences): Likewise.
6848         (get_references_in_stmt): Adjust.
6849         * tree-flow-inline.h (gimple_aliases_computed_p,
6850         gimple_addressable_vars, gimple_call_clobbered_vars,
6851         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6852         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6853         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6854         gimple_mem_ref_stats): Remove.
6855         (gimple_vop): New function.
6856         (op_iter_next_use): Remove vuses and mayuses cases.
6857         (op_iter_next_def): Remove vdefs case.
6858         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6859         (clear_and_done_ssa_iter): Do not set removed fields.
6860         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
6861         Assert we are not iterating over vuses or vdefs if not also
6862         iterating over uses or defs.
6863         (op_iter_init_use): Likewise.
6864         (op_iter_init_def): Likewise.
6865         (op_iter_next_vdef): Remove.
6866         (op_iter_next_mustdef): Likewise.
6867         (op_iter_init_vdef): Likewise.
6868         (compare_ssa_operands_equal): Likewise.
6869         (link_use_stmts_after): Handle vuse operand.
6870         (is_call_used): Use is_call_clobbered.
6871         (is_call_clobbered): Global variables are always call clobbered,
6872         query the call-clobbers bitmap.
6873         (mark_call_clobbered): Ignore global variables.
6874         (clear_call_clobbered): Likewise.
6875         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6876         virtual operands sanity check.
6877         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6878         Remove.
6879         (TARGET_MEM_REF): Remove TMR_TAG operand.
6880         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6881         Remove call-clobber related code.
6882         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
6883         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6884         partitions or escape reason.
6885         (get_single_def_stmt, get_single_def_stmt_from_phi,
6886         get_single_def_stmt_with_phi): Remove.
6887         (dump_referenced_vars): Tidy.
6888         (get_ref_base_and_extent): Allow bare decls.
6889         (collect_dfa_stats): Adjust.
6890         * graphite.c (rename_variables_in_stmt): Adjust.
6891         (graphite_copy_stmts_from_block): Likewise.
6892         (translate_clast): Likewise.
6893         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6894         (EXPR_DIES): New.
6895         (translate_vuse_through_block): Use the oracle.
6896         (phi_translate_1): Adjust.
6897         (value_dies_in_block_x): Use the oracle.  Cache the outcome
6898         in EXPR_DIES.
6899         (valid_in_sets): Check if the VUSE for
6900         a REFERENCE is available.
6901         (eliminate): Do not remove stmts during elimination,
6902         instead queue and remove them afterwards.
6903         (do_pre): Do not rebuild alias info.
6904         (pass_pre): Run TODO_rebuild_alias before PRE.
6905         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6906         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6907         (mark_all_v_defs_stmt): Remove.
6908         (mark_all_v_defs_seq): Adjust.
6909         (sra_replace): Likewise.
6910         (scalarize_use): Likewise.
6911         (scalarize_copy): Likewise.
6912         (scalarize_init): Likewise.
6913         (scalarize_ldst): Likewise.
6914         (todoflags): Remove.
6915         (tree_sra): Do not rebuild alias info.
6916         (tree_sra_early): Adjust.
6917         (pass_sra): Run TODO_update_address_taken before SRA.
6918         * tree-predcom.c (set_alias_info): Remove.
6919         (prepare_initializers_chain): Do not call it.
6920         (mark_virtual_ops_for_renaming): Adjust.
6921         (mark_virtual_ops_for_renaming_list): Remove.
6922         (initialize_root_vars): Adjust.
6923         (initialize_root_vars_lm): Likewise.
6924         (prepare_initializers_chain): Likewise.
6925         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6926         (may_propagate_copy_into_stmt): Likewise.
6927         (merge_alias_info): Do nothing for now.
6928         (propagate_tree_value_into_stmt): Adjust.
6929         (stmt_may_generate_copy): Likewise.
6930         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6931         not mark symbols for renaming.
6932         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6933         with the same statement, make sure to update the new pointed-to one.
6934         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6935         call statements, do not mark symbols for renaming.
6936         (mark_operand_necessary): Dump something.
6937         (ref_may_be_aliased): New function.
6938         (mark_aliased_reaching_defs_necessary_1): New helper function.
6939         (mark_aliased_reaching_defs_necessary): Likewise.
6940         (mark_all_reaching_defs_necessary_1): Likewise.
6941         (mark_all_reaching_defs_necessary): Likewise.
6942         (propagate_necessity): Do not process virtual PHIs.  For
6943         non-aliased loads mark all reaching definitions as necessary.
6944         For aliased loads and stores mark the immediate dominating
6945         aliased clobbers as necessary.
6946         (visited): New global static.
6947         (perform_tree_ssa_dce): Free visited bitmap after propagating
6948         necessity.
6949         (remove_dead_phis): Perform simple dead virtual PHI removal.
6950         (remove_dead_stmt): Properly unlink virtual operands when
6951         removing stores.
6952         (eliminate_unnecessary_stmts): Schedule PHI removal after
6953         stmt removal.
6954         * tree-ssa-ter.c (is_replaceable_p): Adjust.
6955         (process_replaceable): Likewise.
6956         (find_replaceable_in_bb): Likewise.
6957         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6958         based on the single gimple vop.
6959         (verify_flow_insensitive_alias_info): Remove.
6960         (verify_flow_sensitive_alias_info): Likewise.
6961         (verify_call_clobbering): Likewise.
6962         (verify_memory_partitions): Likewise.
6963         (verify_alias_info): Likewise.
6964         (verify_ssa): Adjust..
6965         (execute_update_addresses_taken): Export.  Update SSA
6966         manually.  Optimize only when optimizing.  Use a local bitmap.
6967         (pass_update_address_taken): Remove TODO_update_ssa, add
6968         TODO_dump_func.
6969         (pass_update_address_taken): Just use TODO_update_address_taken.
6970         (init_tree_ssa): Do not initialize addressable_vars.
6971         (verify_ssa): Verify new VUSE / VDEF properties.
6972         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6973         Do not call verify_alias_info.
6974         (delete_tree_ssa): Clear the VUSE, VDEF operands.
6975         Do not free the loaded and stored syms bitmaps.  Reset the escaped
6976         and callused solutions.  Do not free addressable_vars.
6977         Remove memory-tag related code.
6978         (warn_uninitialized_var): Aliases are always available.
6979         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6980         * lambda-code.c (can_put_in_inner_loop): Adjust.
6981         (can_put_after_inner_loop): Likewise.
6982         (perfect_nestify): Likewise.
6983         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6984         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6985         (vectorizable_conversion): Do not mark symbols for renaming.
6986         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6987         (expand_call_inline): Unlink the calls virtual operands before
6988         replacing it.
6989         (tree_function_versioning): Do not call update_ssa if we are not
6990         updating clones.  Simplify.
6991         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
6992         (propagate_with_phi): Likewise..
6993         * tree-outof-ssa.c (create_temp): Remove memory tag and call
6994         clobber code.  Assert we are not aliased or global.
6995         * tree-flow.h: Include tree-ssa-alias.h
6996         (enum escape_type): Remove.
6997         (struct mem_sym_stats_d): Likewise.
6998         (struct mem_ref_stats_d): Likewise.
6999         (struct gimple_df): Add vop member.  Remove global_var,
7000         call_clobbered_vars, call_used_vars, addressable_vars,
7001         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
7002         escaped and callused members.
7003         (struct ptr_info_def): Remove all members, add points-to solution
7004         member pt.
7005         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
7006         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
7007         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
7008         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
7009         (tree-ssa-alias.o): Likewise.
7010         (toplev.o): Add tree-ssa-alias.h
7011         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
7012         * gimple.c (gimple_set_bb): Fix off-by-one error.
7013         (is_gimple_reg): Do not handle memory tags.
7014         (gimple_copy): Also copy virtual operands.
7015         Delay updating the statement.  Do not reset loaded and stored syms.
7016         (gimple_set_stored_syms): Remove.
7017         (gimple_set_loaded_syms): Likewise.
7018         (gimple_call_copy_skip_args): Copy the virtual operands
7019         and mark the new statement modified.
7020         * tree-ssa-structalias.c (may_alias_p): Remove.
7021         (set_uids_in_ptset): Take the alias set to prune with as
7022         parameter.  Fold in the alias test of may_alias_p.
7023         (compute_points_to_sets): Compute whether a ptr is dereferenced
7024         in a local sbitmap.
7025         (process_constraint): Deal with &ANYTHING on the lhs, reject all
7026         other ADDRESSOF constraints on the lhs.
7027         (get_constraint_for_component_ref): Assert that we don't get
7028         ADDRESSOF constraints from the base of the reference.
7029         Properly generate UNKNOWN_OFFSET for DEREF if needed.
7030         (struct variable_info): Remove collapsed_to member.
7031         (get_varinfo_fc): Remove.
7032         (new_var_info): Do not set collapsed_to.
7033         (dump_constraint): Do not follow cycles.
7034         (dump_constraint_graph): Likewise.
7035         (build_pred_graph): Likewise.
7036         (build_succ_graph): Likewise.
7037         (rewrite_constraints): Likewise.
7038         (do_simple_structure_copy): Remove.
7039         (do_rhs_deref_structure_copy): Remove.
7040         (do_lhs_deref_structure_copy): Remove.
7041         (collapse_rest_of_var): Remove.
7042         (do_structure_copy): Re-implement.
7043         (pta_stats): New global variable.
7044         (dump_pta_stats): New function.
7045         (struct constraint_expr): Make offset signed.
7046         (UNKNOWN_OFFSET): Define special value.
7047         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
7048         (solution_set_expand): New helper function split out from ...
7049         (do_sd_constraint): ... here.
7050         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
7051         (do_ds_constraint): Likewise.
7052         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
7053         and CALLUSED = *CALLUSED.
7054         (set_union_with_increment): Make inc argument signed.
7055         (type_safe): Remove.
7056         (get_constraint_for_ptr_offset): Handle unknown and negative
7057         constant offsets.
7058         (first_vi_for_offset): Handle offsets before start.  Bail
7059         out early for offsets beyond the variable extent.
7060         (first_or_preceding_vi_for_offset): New function.
7061         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
7062         Together with ESCAPED = *ESCAPED this properly computes reachability.
7063         (find_what_var_points_to): New function.
7064         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
7065         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
7066         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
7067         pt_solutions_intersect): New functions.
7068         (compute_call_used_vars): Remove.
7069         (compute_may_aliases): New main entry into PTA computation.
7070         * gimple.h (gimple_p): New typedef.
7071         (struct gimple_statement_base): Remove references_memory_p.
7072         (struct gimple_statement_with_memory_ops_base): Remove
7073         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
7074         members.
7075         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
7076         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
7077         gimple_set_references_memory): Remove.
7078         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
7079         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
7080         New functions.
7081         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
7082         (verify_expr): Allow RESULT_DECL.
7083         (gimple_duplicate_bb): Do not copy virtual operands.
7084         (gimple_duplicate_sese_region): Adjust.
7085         (gimple_duplicate_sese_tail): Likewise.
7086         (mark_virtual_ops_in_region): Remove.
7087         (move_sese_region_to_fn): Do not call it.
7088         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
7089         and pass_simple_dse.
7090         (execute_function_todo): Handle TODO_update_address_taken,
7091         call execute_update_addresses_taken for TODO_rebuild_alias.
7092         (execute_todo): Adjust.
7093         (execute_one_pass): Init dump files early.
7094         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
7095         call-clobbered.
7096         (create_general_new_stmt): Clear vops.
7097         * tree-ssa-reassoc.c (get_rank): Adjust.
7098         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
7099         symbols for renaming.
7100         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
7101         (PARAM_AVG_ALIASED_VOPS): Likewise.
7102         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
7103         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
7104         * tree-ssa-operands.c: Simplify for new virtual operand representation.
7105         (operand_build_cmp, copy_virtual_operands,
7106         create_ssa_artificial_load_stmt, add_to_addressable_set,
7107         gimple_add_to_addresses_taken): Remove public functions.
7108         (unlink_stmt_vdef): New function.
7109
7110 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7111
7112         * config.gcc (powerpc-*-linux*): Merge variants.
7113
7114 2009-04-02  Chao-ying Fu  <fu@mips.com>
7115             James Grosbach  <james.grosbach@microchip.com>
7116
7117         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
7118         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
7119         cop0_sp_offset.
7120         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
7121         keep_interrupts_masked_p, use_debug_exception_return_p.
7122         (mips_attribute_table): Add interrupt, use_shadow_register_set,
7123         keep_interrupts_masked, use_debug_exception_return.
7124         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
7125         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
7126         New functions.
7127         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
7128         (mips_print_operand): Process COP0 registers to print $0 .. $31
7129         correctly for GAS to process.
7130         (mips_interrupt_extra_call_saved_reg_p): New function.
7131         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
7132         extra registers.
7133         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
7134         (mips_compute_frame_info): Add supports for interrupt context that
7135         includes doubleword accumulators and COP0 registers.
7136         (mips_for_each_saved_acc): New function.
7137         (mips_for_each_saved_gpr_and_fpr): Change the function name from
7138         mips_for_each_saved_reg.
7139         (mips_save_reg): Save accumulators.
7140         (mips_kernel_reg_p): A new for_each_rtx callback.
7141         (mips_expand_prologue): Support interrupt handlers.
7142         (mips_restore_reg): Restore accumulators.
7143         (mips_expand_epilogue): Support interrupt handlers.
7144         (mips_can_use_return_insn): Return false for interrupt handlers.
7145         (mips_epilogue_uses): New function.
7146         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
7147         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
7148         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
7149         cop0_move): New instructions.
7150         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
7151         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
7152         defines.
7153         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
7154         New defines.
7155         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
7156         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
7157         interrupt handlers, we use K0 as the temporary register.
7158         (EPILOGUE_USES): Change to a function call.
7159         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
7160         handlers, we use K0 as the temporary register.
7161
7162         * doc/extend.texi (Function Attributes): Document interrupt,
7163         use_shadow_register_set, keep_interrupts_masked,
7164         use_debug_exception_return for MIPS attributes.
7165
7166 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
7167
7168         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
7169         Remove a number of t-files from tmake_file.
7170         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
7171         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
7172         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
7173         target_prototype, not TARGET_PROTOTYPE.
7174         (LINK_OS_GNU_SPEC): Define.
7175         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
7176         and darwin-ldoubdle.c.
7177
7178 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
7179
7180         PR driver/39293
7181         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
7182         (cpp_options): Ditto.
7183         (default_compilers): Ditto.
7184         (display_help): Ditto.
7185         (process_command): Ditto.
7186         (do_spec_1): Ditto.
7187         (set_input): Use lbasename instead of duplicate code.
7188         (save_temps_prefix): New static for -save-temps=obj.
7189         (save_temps_length): Ditto.
7190
7191         * doc/invoke.texi (-save-temps=obj): Document new variant to
7192         -save-temps switch.
7193
7194 2009-04-02  Jeff Law  <law@redhat.com>
7195
7196         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
7197         variable.
7198
7199 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7200
7201         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
7202         * configure: Regenerated.
7203
7204 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7205
7206         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
7207         share the argument list.
7208
7209 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7210
7211         Merge
7212
7213         2009-02-12  Diego Novillo  <dnovillo@google.com>
7214
7215         * varpool.c (debug_varpool): New.
7216         * cgraph.h (debug_varpool): Declare.
7217
7218 2009-04-02  Jan Hubicka  <jh@suse.cz>
7219
7220         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7221         pass.
7222
7223 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
7224
7225         * config/i386/i386.c (ix86_abi): Move initialization to ...
7226         (override_options): Here.
7227
7228 2009-04-02  Christian Bruel  <christian.bruel@st.com>
7229
7230         * config/sh/sh.c (sh_dwarf_register_span): New function.
7231         (TARGET_DWARF_REGISTER_SPAN): Define.
7232         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7233
7234 2009-04-02  Ira Rosen  <irar@il.ibm.com>
7235
7236         PR tree-optimization/39595
7237         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7238         interleaved loads group is not  greater than the SLP group size.
7239
7240 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
7241
7242         * builtins.c (is_builtin_name): New.
7243         (called_as_built_in): Use is_builtin_name.
7244         * tree.h (is_builtin_name): New.
7245         * varasm.c (incorporeal_function_p): Use is_builtin_name
7246
7247 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
7248
7249         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
7250
7251 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
7252
7253         PR c++/26693
7254         * c-decl.c (clone_underlying_type): Move this ...
7255         * c-common.c (set_underlying_type): ... here.
7256         Also, make sure the function properly sets TYPE_STUB_DECL() on
7257         the newly created typedef variant type.
7258         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7259         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
7260         points.
7261
7262 2009-04-02  Richard Guenther  <rguenther@suse.de>
7263
7264         PR tree-optimization/37221
7265         * tree-flow.h (degenerate_phi_result): Declare.
7266         * tree-ssa-dom.c (degenerate_phi_result): Export.
7267         * tree-scalar-evolution.c (analyze_initial_condition): If
7268         the initial condition is defined by a degenerate PHI node
7269         use the degenerate value.
7270
7271 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
7272
7273         PR rtl-optimization/39588
7274         * combine.c (merge_outer_ops): Do not set the constant when this
7275         is not necessary.
7276         (simplify_shift_const_1): Do not modify it either in this case.
7277
7278 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
7279
7280         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
7281         tuning is deprecated if -mtune value is set to an Itanium1 variant.
7282
7283 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
7284
7285         PR c/29027
7286         * c-lex.c (interpret_float): Default (no suffix) is double.
7287
7288 2009-04-1  Xinliang David Li  <davidxl@google.com>
7289
7290         * config/i386/i386.c (legitimate_constant_p): Recognize
7291         all one vector constant.
7292
7293 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7294
7295         * config/vax/vax.c: Add #includes to silence warnings.
7296         Change #include order to silence two warnings.
7297
7298 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7299
7300         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7301         (ASM_SPEC): Pass -k to the assembler for PIC code.
7302
7303 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7304
7305         * config.gcc: Add vax-*-linux* to the switch.
7306         * config/vax/linux.h: New file. (TARGET_VERSION,
7307         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7308
7309 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7310
7311         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7312         Use predicate macros instead of GET_CODE() == foo.
7313         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7314         ashlsi3, rotrsi3, <unnamed>): Likewise.
7315
7316 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7317
7318         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7319         jbbccihi, jbbccisi): Remova trailing whitespace.
7320         * config/vax/constraints.md: Likewise.
7321         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7322         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7323         * config/vax/predicates.md: Likewise.
7324         * config/vax/vax.c (print_operand_address, vax_output_int_move,
7325         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7326         * config/vax/vax.h: Likewise.
7327         * config/vax/vax.md (nonlocal_goto): Likewise.
7328
7329 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7330
7331         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7332         (indirectable_address_p, adjacent_operands_p): Add spaces around
7333         braces.
7334         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7335
7336 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7337
7338         * config/vax/vax.c (legitimate_constant_address_p,
7339         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7340         index_term_p, reg_plus_index_p, legitimate_address_p,
7341         vax_mode_dependent_address_p): Update comments to match functions
7342         modified by the recent int->bool conversion.
7343
7344 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7345
7346         * config/vax/builtins.md: Update copyright message.
7347         * config/vax/constraints.md: Likewise.
7348         * config/vax/netbsd-elf.h: Likewise.
7349         * config/vax/predicates.md: Likewise.
7350         * config/vax/vax-protos.h: Likewise.
7351         * config/vax/vax.c: Likewise.
7352         * config/vax/vax.h: Likewise.
7353         * config/vax/vax.md: Likewise.
7354         * config/vax/vax.opt: Likewise.
7355
7356 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
7357
7358         * config/vax/builtins.md (ffssi2, ffssi2_internal,
7359         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7360         * config/vax/constraints.md (B, R): Likewise.
7361         * config/vax/predicates.md (external_memory_operand,
7362         nonimmediate_addsub_di_operand): Likewise.
7363         * config/vax/vax.c (vax_output_int_add): Likewise.
7364         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7365         untyped_call): Likewise.
7366
7367 2009-04-01  Matt Thomas  <matt@3am-software.com>
7368
7369         * config/vax/predicates.md: New file.
7370         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7371         external_const_operand, nonsymbolic_operand, external_memory_operand,
7372         indirect_memory_operand, indexed_memory_operand,
7373         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7374         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7375         predicate.
7376         * config/vax/constraints.md: New file.
7377         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7378         New constraint.
7379         * config/vax/builtins.md: New file.
7380         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7381         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7382         jbbccisi): Define.
7383         * config/vax/vax.opt (mqmath): Add option.
7384         * config/vax/vax.md (isfx): Extend with DI.
7385         (VAXintQH, VAXintQHSD): Define.
7386         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7387         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7388         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7389         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7390         (movdi): Update constraints and use vax_output_int_move().
7391         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7392         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7393         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7394         nonlocal_goto): New.
7395         (mov<mode>): Extend accepted operand types.
7396         (subdi3_old): Rename from subdi3, change update constraints and use
7397         a new implementation.
7398         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7399         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7400         MOVE_RATIO, CLEAR_RATIO): Define.
7401         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7402         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7403         (PRINT_OPERAND): Redefine using a function instead of inlined code.
7404         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7405         (split_quadword_operands): Make static and really allow variable
7406         splitting.
7407         (print_operand_address): Update for PIC generation.
7408         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7409         indexable_address_p, fixup_mathdi_operand,
7410         vax_expand_addsub_di_operands, adjacent_operands_p): New.
7411         (vax_float_literal, legitimate_constant_p,
7412         indirectable_constant_address_p, index_term_p,
7413         reg_plus_index_p): Return bool instead of int.
7414         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7415         where needed.
7416         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7417         generation.
7418         (vax_output_conditional_branch): Indent.
7419         (legitimate_constant_address_p, indirectable_constant_address_p,
7420         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7421         vax_mode_dependent_address_p): Return bool instead of int, update for
7422         PIC generation.
7423         * config/vax/vax-protos.h (legitimate_constant_address_p,
7424         legitimate_constant_p, legitimate_address_p,
7425         vax_mode_dependent_address_p): Change declaration to bool.
7426         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7427         vax_expand_addsub_di_operands, vax_output_int_subtract,
7428         vax_output_movmemsi): Declare.
7429         (split_quadword_operands, vax_float_literal): Delete declaration.
7430         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7431         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7432         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7433         ASM_OUTPUT_DWARF_PCREL): Define.
7434         (ASM_SPEC): Change definition to allow PIC generation.
7435
7436 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
7437
7438         * doc/sourcebuild.texi: Update front-end requirements.
7439
7440 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7441
7442         PR target/39226
7443         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7444         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7445         (booldi3_internal3): Use boolean_or_operator instead of
7446         boolean_operator.
7447
7448 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
7449
7450         PR c/39605
7451         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7452         declarator whose size is not an integer constant expression but
7453         folds to an integer constant, then treat it as a constant
7454         subsequently.
7455
7456 2009-04-01  Richard Guenther  <rguenther@suse.de>
7457
7458         * fold-const.c (fold_plusminus_mult_expr): Do not fold
7459         i * 4 + 2 to (i * 2 + 1) * 2.
7460
7461 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7462
7463         PR c/37772
7464         * c-parser.c (c_parser_asm_statement): Skip until close paren and
7465         return if c_parser_asm_string_literal returned NULL.
7466
7467 2009-04-01  Nick Clifton  <nickc@redhat.com>
7468
7469         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7470         already defined.
7471         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7472         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
7473         other typedefs to avoid conflicts with libgcc2.c.  Define labels
7474         to gain 16-bit bit-manipulation functions from libgcc2.c and then
7475         include it.
7476         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
7477         to gain 16-bit trapping arithmetic functions from libgcc2.c and
7478         then include it.
7479
7480 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
7481
7482         * varasm.c (default_function_rodata_section): Declare DOT as
7483         const char*.
7484
7485 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
7486             Andrey Galkin  <agalkin@hypercom.com>
7487
7488         PR/39492
7489         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7490         Make object_name unique for each process.
7491
7492 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
7493
7494         PR other/39591
7495         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7496         addressable variables in the parallel that could go out of scope while
7497         running queued tasks.
7498
7499 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
7500
7501         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7502         (CASE_VALUES_THRESHOLD): Redefine.
7503         * config/avr/avr.c (avr_override_options): Remove initialization of
7504         avr_case_values_threshold variable.
7505         (avr_case_values_threshold): Remove variable. Add new function.
7506         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7507         * config/avr/avr.opt (mno-tablejump): Remove option.
7508         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7509
7510 2009-04-01  DJ Delorie  <dj@redhat.com>
7511
7512         * varasm.c (default_function_rodata_section): Don't assume
7513         anything about where the first '.' in the section name is.
7514
7515 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
7516
7517         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7518         rs6000_emit_stack_tie.
7519
7520 2009-03-31  Ian Lance Taylor  <iant@google.com>
7521
7522         * tree-eh.c (tree_remove_unreachable_handlers): Compare
7523         gimple_code with GIMPLE_RESX, not RESX.
7524
7525 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7526
7527         * c-common.c (c_get_ident): New.
7528         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7529
7530 2009-04-01  Ben Elliston  <bje@au.ibm.com>
7531
7532         * config/rs6000/sysv4.opt (msdata): Improve option description.
7533
7534 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
7535
7536         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7537         (divdf3_internal_lat): Remove.
7538         (divxf3_internal_lat): Remove.
7539         (divxf3_internal_thr): Remove.
7540         (divxf): Use divxf3_internal.
7541         * config/ia64/div.md (divsf3_internal_lat): New.
7542         (divdf3_internal_lat): New.
7543         (divxf3_internal): New.
7544
7545 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7546
7547         PR c/448
7548         * Makefile.in (USE_GCC_STDINT): Define.
7549         (stmp-int-hdrs): Install stdint.h if applicable.
7550         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7551         if known.
7552         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7553         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7554         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7555         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7556         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7557         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7558         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7559         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7560         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7561         (c_common_nodes_and_builtins): Initialize
7562         underlying_wchar_type_node.  Do not initialize
7563         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
7564         nodes for new types.
7565         (c_stddef_cpp_builtins): Define macros for new types.
7566         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7567         Remove.
7568         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7569         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7570         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7571         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7572         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7573         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7574         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7575         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7576         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7577         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7578         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7579         int16_type_node, int32_type_node, int64_type_node,
7580         uint8_type_node, uint16_type_node, c_uint32_type_node,
7581         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7582         int_least32_type_node, int_least64_type_node,
7583         uint_least8_type_node, uint_least16_type_node,
7584         uint_least32_type_node, uint_least64_type_node,
7585         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7586         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7587         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7588         uintptr_type_node): Define.
7589         * c-cppbuiltin.c (builtin_define_constants,
7590         builtin_define_type_minmax): New.
7591         (builtin_define_stdint_macros): Define more macros.
7592         (c_cpp_builtins): Define more limit macros.
7593         (type_suffix): New.
7594         (builtin_define_type_max): Define in terms of
7595         builtin_define_type_minmax.  Remove is_long parameter.  All
7596         callers changed.
7597         * config.gcc (use_gcc_stdint): Define.
7598         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7599         Add newlib-stdint.h for generic targets.
7600         * config/glibc-stdint.h, config/newlib-stdint.h,
7601         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7602         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7603         * config/score/score.h (UINTPTR_TYPE): Define.
7604         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7605         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7606         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7607         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7608         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7609         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7610         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7611         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7612         * config/spu/spu.h (STDINT_LONG32): Define.
7613         * configure.ac (use_gcc_stdint): Substitute.
7614         * configure: Regenerate.
7615         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7616         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7617         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7618         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7619         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7620         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7621         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7622         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7623         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7624         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7625         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7626         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7627         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7628         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7629         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7630         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7631         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7632         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7633         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7634         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7635         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7636         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7637         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7638         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7639         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7640         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7641         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7642         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7643         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7644
7645 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
7646
7647         * loop-iv.c (suitable_set_for_replacement): Renamed from
7648         simplify_using_assignment; changed to return bool and to accept new
7649         args DEST and SRC.  Return true iff we find a source/destination pair
7650         that can be used to make a replacement, and fill SRC and DEST if so.
7651         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
7652         changed.
7653         (simplify_using_initial_values): Deal with altered regs here and track
7654         more precisely the effect they have on the validity of our expression.
7655
7656         * loop-iv.c (simplify_using_condition): A condition of the form
7657         (EQ REG CONST) can be used to simply make a substitution.
7658         (simplify_using_initial_values): Keep track of conditions we have seen
7659         and keep using them to simplify new expressions, while applying the
7660         same substitutions to them as to the expression.
7661
7662         * simplify-rtx.c (simplify_relational_operation_1): Simplify
7663         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7664         GEU/LTU reversed.
7665
7666         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
7667         changed.  Use this when trying to improve the upper bound.
7668         Generate the comparison by using simplify_gen_relational.
7669
7670         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7671
7672         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7673         functions.
7674         (simplify_using_assignment, simplify_using_initial_values): Call
7675         replace_in_expr to make replacements.  Call replace_single_def_regs
7676         once on the initial version of the expression.
7677
7678 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7679
7680         PR target/27237
7681         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7682
7683 2009-03-31  Richard Guenther  <rguenther@suse.de>
7684
7685         PR middle-end/31029
7686         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7687         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
7688
7689 2009-03-31  Richard Guenther  <rguenther@suse.de>
7690
7691         * tree.h (div_if_zero_remainder): Declare.
7692         * fold-const.c (div_if_zero_remainder): Export.
7693         * tree-ssa-forwprop.c
7694         (forward_propagate_addr_into_variable_array_index): Handle
7695         constant array index addition outside of the variable index.
7696
7697 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7698
7699         PR target/39592
7700         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7701         define_splits, floatunssi<mode>2): Require x87 conversions from
7702         DImode to be permitted.
7703
7704 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
7705
7706         PR preprocessor/15638
7707         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7708
7709 2009-03-31  Richard Guenther  <rguenther@suse.de>
7710
7711         PR middle-end/23401
7712         PR middle-end/27810
7713         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7714         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7715         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7716         a separate statement.
7717         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7718         (lookup_tmp_var): Likewise.
7719         (is_gimple_formal_tmp_or_call_rhs): Remove.
7720         (is_gimple_reg_or_call_rhs): Rename to ...
7721         (is_gimple_reg_rhs_or_call): ... this.
7722         (is_gimple_mem_or_call_rhs): Rename to ...
7723         (is_gimple_mem_rhs_or_call): ... this.
7724         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
7725         DECL_GIMPLE_REG_P only if is_formal is true.
7726         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
7727         for non-proper post-modify expression gimplification.
7728         (gimplify_self_mod_expr): For post-modify expressions gimplify
7729         the lvalue to a minimal lvalue.
7730         (rhs_predicate_for): Remove formal temp case.
7731         (gimplify_modify_expr_rhs): Likewise.
7732         (gimplify_addr_expr): Use is_gimple_reg.
7733         (gimplify_expr): Remove formal temp cases.
7734         (gimple_regimplify_operands): Likewise.
7735         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7736         and FILTER_EXPR like constants.
7737         * gimple.c (walk_gimple_op): Fix val_only initialization, use
7738         is_gimple_reg.
7739         (is_gimple_formal_tmp_rhs): Remove.
7740         (is_gimple_reg_rhs): Remove special casing.
7741         (is_gimple_mem_rhs): Fix.
7742         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7743         (is_gimple_formal_tmp_var): Remove.
7744         (is_gimple_formal_tmp_reg): Likewise.
7745         (is_gimple_min_lval): Allow invariant component ref parts.
7746         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7747         is_gimple_formal_tmp_reg): Remove declarations.
7748         * tree-cfg.c (verify_expr): Verify that variables with address
7749         taken do not have DECL_GIMPLE_REG_P set.
7750         * tree-mudflap.c (mf_build_check_statement_for): Use
7751         force_gimple_operand instead of gimplify_expr.
7752
7753 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
7754
7755         * modulo-sched.c (sms_schedule_by_order): Pass the actual
7756         schedulable rows to compute_split_row.
7757
7758 2009-03-31  Ben Elliston  <bje@au.ibm.com>
7759
7760         PR target/31635
7761         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7762         OPT_mvrsave.
7763
7764 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7765
7766         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7767         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7768         * configure: Regenerate.
7769         * config.in: Regenerate.
7770         * config/rs6000/rs6000.opt (mtls-markers): Add.
7771         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7772         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7773         (tls_ld_aix, tls_ld_sysv): Likewise.
7774         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7775         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7776
7777 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
7778
7779         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7780
7781 2009-03-30  Jan Hubicka  <jh@suse.cz>
7782
7783         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7784         out of RESX.
7785         (tree_remove_unreachable_handlers): Cleanup EH predecestor
7786         detection and label handling.
7787
7788 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7789
7790         * ira-int.h (ira_allocno): Rename left_conflicts_num to
7791         left_conflicts_size.
7792         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7793         ALLOCNO_LEFT_CONFLICTS_SIZE.
7794
7795         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7796         remove_allocno_from_bucket_and_push,
7797         allocno_spill_priority_compare, push_allocnos_to_stack,
7798         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7799         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7800         (setup_allocno_left_conflicts_num): Ditto.  Rename to
7801         setup_allocno_left_conflicts_size.
7802         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7803         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7804         setup_allocno_left_conflicts_size instead of
7805         setup_allocno_left_conflicts_num.
7806
7807         * ira-build.c (ira_create_allocno): Use
7808         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7809         ALLOCNO_LEFT_CONFLICTS_NUM.
7810
7811 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
7812
7813         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7814         instead of DF_LR_OUT.
7815
7816         * ira-lives.c (process_bb_node_lives): Ditto.
7817
7818         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7819         instead of DF_LR_{OUT,IN}.
7820
7821         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7822
7823         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7824
7825 2009-03-30  Jan Hubicka  <jh@suse.cz>
7826
7827         * except.c (label_to_region_map): Fix thinko.
7828
7829 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
7830
7831         PR middle-end/38237
7832         * tree.h (tree_find_value): New declaration.
7833         * tree.c (tree_find_value): New function.
7834         * varasm.c (assemble_external): Avoid duplicate entries on lists.
7835
7836 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
7837
7838         PR debug/39563
7839         * c-decl.c (struct c_binding): Add locus field.
7840         (bind): Add locus argument, set locus field from it.
7841         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7842         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7843         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7844         implicitly_declare, undeclared_variable, lookup_label,
7845         declare_label, c_make_fname_decl, c_builtin_function,
7846         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7847         bind callers.
7848
7849 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
7850
7851         PR target/38781
7852         * config/i386/i386.c (classify_argument): Check total size of
7853         structure.
7854
7855 2009-03-30  Martin Jambor  <mjambor@suse.cz>
7856
7857         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7858         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7859         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7860         respectively.
7861
7862         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7863         seen_variable_array_ref while also traversing a union.
7864
7865         * tree-inline.c (optimize_inline_calls): Do not call
7866         cgraph_node_remove_callees.
7867         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7868         (pass_remove_cgraph_callee_edges): New variable.
7869         * passes.c (init_optimization_passes): Add
7870         pass_remove_cgraph_callee_edges after early inlining and before all
7871         late intraprocedural passes.
7872
7873         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7874
7875 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7876
7877         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7878         Fix typos in names.
7879
7880 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7881
7882         * combine.c (simplify_comparison): Use have_insn_for.
7883         * dojump.c (do_jump): Likewise.
7884
7885 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7886
7887         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7888         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7889         sparc_compare_op0 like sparc_compare_emitted used to be handled.
7890         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7891         instead of sparc_compare_emitted.
7892         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7893         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7894         instead of sparc_compare_emitted.
7895
7896 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7897
7898         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7899         enter/exit cfglayout mode.
7900         (pass_partition_block): Require it.
7901         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7902         (combine_instructions): Track basic blocks instead of labels.
7903         (update_cfg_for_uncondjump): New.
7904         (try_combine): Use it.  Update jumps after rescanning.
7905         (pass_combine): Require PROP_cfglayout.
7906         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7907
7908 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7909
7910         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7911         Provide/destroy PROP_cfglayout respectively.
7912         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7913         * tree-pass.h (PROP_cfglayout): New.
7914
7915 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
7916
7917         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7918         fold_convert_const_fixed_from_fixed,
7919         fold_convert_const_fixed_from_int,
7920         fold_convert_const_fixed_from_real, fold_negate_const): Do not
7921         set TREE_CONSTANT_OVERFLOW.
7922         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7923         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7924
7925 2009-03-30  Ira Rosen  <irar@il.ibm.com>
7926
7927         * tree-vect-loop-manip.c: New file.
7928         * tree-vectorizer.c: Update documentation and included files.
7929         (vect_loop_location): Make extern.
7930         (rename_use_op): Move to tree-vect-loop-manip.c
7931         (rename_variables_in_bb, rename_variables_in_loop,
7932         slpeel_update_phis_for_duplicate_loop,
7933         slpeel_update_phi_nodes_for_guard1,
7934         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7935         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7936         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7937         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7938         find_loop_location): Likewise.
7939         (new_stmt_vec_info): Move to tree-vect-stmts.c.
7940         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7941         get_vectype_for_scalar_type, vect_is_simple_use,
7942         supportable_widening_operation, supportable_narrowing_operation):
7943         Likewise.
7944         (bb_in_loop_p): Move to tree-vect-loop.c.
7945         (new_loop_vec_info, destroy_loop_vec_info,
7946         reduction_code_for_scalar_code, report_vect_op,
7947         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7948         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7949         (vect_supportable_dr_alignment): Likewise.
7950         * tree-vectorizer.h (tree-data-ref.h): Include.
7951         (vect_loop_location): Declare.
7952         Reorganize function declarations according to the new file structure.
7953         * tree-vect-loop.c: New file.
7954         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7955         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7956         * tree-vect-data-refs.c: New file.
7957         * tree-vect-patterns.c (timevar.h): Don't include.
7958         * tree-vect-stmts.c: New file.
7959         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7960         tree-vect-slp.c, tree-vect-loop.c.
7961         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7962         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7963         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7964         (tree-vect-analyze.o): Remove.
7965         (tree-vect-transform.o): Likewise.
7966         (tree-vect-data-refs.o): Add rule.
7967         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7968         tree-vect-slp.o): Likewise.
7969         (tree-vect-patterns.o): Remove redundant dependencies.
7970         (tree-vectorizer.o): Likewise.
7971         * tree-vect-slp.c: New file.
7972
7973 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7974
7975         * optc-gen.awk: Warn if an option flag has multiple different
7976         help strings.
7977
7978 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7979
7980         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7981         -floop-block): Document dependences on PPL, CLooG and Graphite.
7982
7983 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
7984
7985         PR rtl-optimization/323
7986         * c-common.c (c_fully_fold, convert_and_check,
7987         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7988         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7989         * c-common.def (EXCESS_PRECISION_EXPR): New.
7990         * c-cppbuiltin.c (builtin_define_float_constants): Define
7991         constants with enough digits for long double.
7992         * c-lex.c (interpret_float): Interpret constant with excess
7993         precision where appropriate.
7994         * c-opts.c (c_common_post_options): Set
7995         flag_excess_precision_cmdline.  Give an error for
7996         -fexcess-precision=standard for C++ for processors where the
7997         option is significant.
7998         * c-parser.c (c_parser_conditional_expression): Handle excess
7999         precision in condition.
8000         * c-typeck.c (convert_arguments): Handle arguments with excess
8001         precision.
8002         (build_unary_op): Move excess precision outside operation.
8003         (build_conditional_expr): Likewise.
8004         (build_compound_expr): Likewise.
8005         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
8006         (build_modify_expr): Handle excess precision in RHS.
8007         (convert_for_assignment): Handle excess precision in converted
8008         value.
8009         (digest_init, output_init_element, process_init_element): Handle
8010         excess precision in initializer.
8011         (c_finish_return): Handle excess precision in return value.
8012         (build_binary_op): Handle excess precision in operands and add
8013         excess precision as needed for operation.
8014         * common.opt (-fexcess-precision=): New option.
8015         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
8016         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
8017         For standard excess precision, output explicit conversion to and
8018         truncation from XFmode.
8019         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
8020         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
8021         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
8022         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
8023         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
8024         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
8025         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
8026         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
8027         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
8028         define_splits, sqrt<mode>2): Disable where appropriate for
8029         standard excess precision.
8030         * convert.c (convert_to_real): Do not shorten arithmetic to type
8031         for which excess precision would be used.
8032         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
8033         * doc/invoke.texi (-fexcess-precision=): Document option.
8034         (-mfpmath=): Correct index entry.
8035         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
8036         flag_excess_precision): New.
8037         * langhooks.c (lhd_post_options): Set
8038         flag_excess_precision_cmdline.
8039         * opts.c (common_handle_option): Handle -fexcess-precision=.
8040         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
8041         init_excess_precision): New.
8042         (lang_dependent_init_target): Call init_excess_precision.
8043         * tree.c (excess_precision_type): New.
8044         * tree.h (excess_precision_type): Declare.
8045
8046 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
8047
8048         PR c/35235
8049         * c-typeck.c (build_component_ref): Do not copy qualifiers from
8050         non-lvalue to component.
8051
8052 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8053
8054         PR preprocessor/34695
8055         * Makefile.in (c-opts.o): Depend on c-tree.h.
8056         * c-common.c: Move down include of diagnostic.h.
8057         (done_lexing, c_cpp_error): New.
8058         * c-common.h (done_lexing): Declare.
8059         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
8060         (parse_in).
8061         * c-opts.c: Include c-tree.h.
8062         (c_common_init_options): Set preprocessor error callback.
8063         (c_common_handle_option): Do not set preprocessor
8064         inhibit_warnings, warnings_are_errors, warn_system_headers,
8065         pedantic_errors or inhibit_warnings flags.
8066         (c_common_post_options): Do not check cpp_errors (parse_in).
8067         (c_common_finish): Do not output dependencies if there were
8068         errors.  Do not check return value of cpp_finish.
8069         * c-ppoutput.c (pp_file_change): Set input_location.
8070         * c-tree.h (c_cpp_error): Declare.
8071         * diagnostic.c (diagnostic_set_info_translated): Also initialize
8072         override_column.
8073         (diagnostic_build_prefix): Check override_column.
8074         * diagnostic.h (diagnostic_info): Add override_column field.
8075         (diagnostic_override_column): Define.
8076
8077 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
8078
8079         * c-common.c (c_expand_expr, c_staticp): Remove.
8080         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
8081         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
8082         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
8083         * c-gimplify.c (gimplify_compound_literal_expr,
8084         optimize_compound_literals_in_ctor): Remove.
8085         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
8086         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
8087         * c-semantics.c (emit_local_var): Remove.
8088
8089         * langhooks-def.h (lhd_expand_expr): Remove.
8090         * langhooks.c (lhd_expand_expr): Remove.
8091         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
8092
8093         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
8094         handling from c-semantics.c; don't call into langhook.
8095         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
8096         * gimplify.c (gimplify_compound_literal_expr,
8097         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
8098         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
8099         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
8100         as was done in c-gimplify.c.
8101         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
8102         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
8103         Move from c-common.h.
8104         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
8105
8106         * tree.c (staticp): Do not call langhook.
8107         * langhooks.c (lhd_staticp): Delete.
8108         * langhooks-def.h (lhd_staticp): Delete prototype.
8109         (LANG_HOOKS_STATICP): Delete.
8110         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
8111
8112         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
8113         instead of DECL_STMTs.
8114
8115 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
8116
8117         PR c/456
8118         PR c/5675
8119         PR c/19976
8120         PR c/29116
8121         PR c/31871
8122         PR c/35198
8123         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
8124         void_type_node.
8125         (fold_call_expr): Return a NOP_EXPR from folding rather than the
8126         contained expression.
8127         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
8128         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
8129         conditional expressions for C.
8130         (decl_constant_value_for_optimization): Move from
8131         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
8132         whether optimizing and that the expression is a VAR_DECL not of
8133         array type instead of doing such checks in the caller.  Do not
8134         check pedantic.  Call gcc_unreachable for C++.
8135         * c-common.def (C_MAYBE_CONST_EXPR): New.
8136         * c-common.h (c_fully_fold, c_save_expr,
8137         decl_constant_value_for_optimization): New prototypes.
8138         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8139         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8140         EXPR_INT_CONST_OPERANDS): Define.
8141         * c-convert.c (convert): Strip nops from expression.
8142         * c-decl.c (groktypename): Take extra parameters expr and
8143         expr_const_operands.  Update call to grokdeclarator.
8144         (start_decl): Update call to grokdeclarator.  Add statement for
8145         expressions used in type of decl.
8146         (grokparm): Update call to grokdeclarator.
8147         (push_parm_decl): Update call to grokdeclarator.
8148         (build_compound_literal): Add parameter non_const and build a
8149         C_MAYBE_COSNT_EXPR if applicable.
8150         (grokdeclarator): Take extra parameters expr and
8151         expr_const_operands.  Track expressions used in declaration
8152         specifiers and declarators.  Fold array sizes and track whether
8153         they are constant expressions and whether they are integer
8154         constant expressions.
8155         (parser_xref_tag): Set expr and expr_const_operands fields in
8156         return value.
8157         (grokfield): Update call to grokdeclarator.
8158         (start_function): Update call to grokdeclarator.
8159         (build_null_declspecs): Set expr and expr_const_operands fields in
8160         return value.
8161         (declspecs_add_type): Handle expressions in typeof specifiers.
8162         * c-parser.c (c_parser_declspecs): Set expr and
8163         expr_const_operands fields for declaration specifiers.
8164         (c_parser_enum_specifier): Likewise.
8165         (c_parser_struct_or_union_specifier): Likewise.
8166         (c_parser_typeof_specifier): Likewise.  Update call to
8167         groktypename.  Fold expression as needed.  Return expressions with
8168         type instead of adding statements.
8169         (c_parser_attributes): Update calls to c_parser_expr_list.
8170         (c_parser_statement_after_labels): Fold expression before passing
8171         to objc_build_throw_stmt.
8172         (c_parser_condition): Fold expression.
8173         (c_parser_asm_operands): Fold expression.
8174         (c_parser_conditional_expression): Use c_save_expr.  Update call
8175         to build_conditional_expr.
8176         (c_parser_alignof_expression): Update call to groktypename.
8177         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
8178         original_code.  Fold expression argument of va_arg.  Create
8179         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
8180         argument to va_arg.  Update calls to groktypename.  Fold array
8181         index for offsetof.  Verify that first argument to
8182         __builtin_choose_expr has integer type.
8183         (c_parser_postfix_expression_after_paren_type): Update calls to
8184         groktypename and build_compound_literal.  Handle expressions with
8185         side effects in type name.
8186         (c_parser_postfix_expression_after_primary): Update call to
8187         c_parser_expr_list.  Set original_code for calls to
8188         __builtin_constant_p.
8189         (c_parser_expr_list): Take extra parameter fold_p.  Fold
8190         expressions if requested.
8191         (c_parser_objc_type_name): Update call to groktypename.
8192         (c_parser_objc_synchronized_statement): Fold expression.
8193         (c_parser_objc_receiver): Fold expression.
8194         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
8195         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
8196         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
8197         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
8198         (struct c_typespec): Add elements expr and expr_const_operands.
8199         (struct c_declspecs): Add elements expr and expr_const_operands.
8200         (groktypename, build_conditional_expr, build_compound_literal):
8201         Update prototypes.
8202         (in_late_binary_op): Declare.
8203         * c-typeck.c (note_integer_operands): New function.
8204         (in_late_binary_op): New variable.
8205         (decl_constant_value_for_broken_optimization): Move to c-common.c
8206         and rename to decl_constant_value_for_optimization.
8207         (default_function_array_conversion): Do not strip nops.
8208         (default_conversion): Do not call
8209         decl_constant_value_for_broken_optimization.
8210         (build_array_ref): Do not fold result.
8211         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
8212         result when operand is a VLA.
8213         (c_expr_sizeof_type): Update call to groktypename.  Handle
8214         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
8215         result when operand names a VLA type.
8216         (build_function_call): Update call to build_compound_literal.
8217         Only fold result for calls to __builtin_* functions.  Strip
8218         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
8219         the function designator.
8220         (convert_arguments): Fold arguments.  Update call to
8221         convert_for_assignment.
8222         (build_unary_op): Handle increment and decrement of
8223         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
8224         decrement earlier.  Fold operand of increment and decrement.
8225         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
8226         built for integer operand.  Wrap returns that are INTEGER_CSTs
8227         without being integer constant expressions or that have integer
8228         constant operands without being INTEGER_CSTs.
8229         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8230         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
8231         result is an integer constant expression or can be used in
8232         unevaluated parts of one and avoid folding and wrap as
8233         appropriate.  Fold operands before possibly doing -Wsign-compare
8234         warnings.
8235         (build_compound_expr): Wrap result for C99 if operands can be used
8236         in integer constant expressions.
8237         (build_c_cast): Update call to digest_init.  Do not ignore
8238         overflow from casting floating-point constants to integers.  Wrap
8239         results that could be confused with integer constant expressions,
8240         null pointer constants or floating-point constants.
8241         (c_cast_expr): Update call to groktypename.  Handle expressions
8242         included in type name.
8243         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
8244         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
8245         Update calls to convert_for_assignment.
8246         (convert_for_assignment): Take new parameter
8247         null_pointer_constant.  Do not strip nops or call
8248         decl_constant_value_for_broken_optimization.  Set
8249         in_late_binary_op for conversions to boolean.
8250         (store_init_value): Update call to digest_init.
8251         (digest_init): Take new parameter null_pointer_constant.  Do not
8252         call decl_constant_value_for_broken_optimization.  pedwarn for
8253         initializers not constant expressions.  Update calls to
8254         convert_for_assignment.
8255         (constructor_nonconst): New.
8256         (struct constructor_stack): Add nonconst element.
8257         (really_start_incremental_init, push_init_level, pop_init_level):
8258         Handle constructor_nonconst and nonconst element.
8259         (set_init_index): Call constant_expression_warning for array
8260         designators.
8261         (output_init_element): Fold value.  Set constructor_nonconst as
8262         applicable.  pedwarn for initializers not constant expressions.
8263         Update call to digest_init.  Call constant_expression_warning
8264         where constant initializers are required.
8265         (process_init_element): Use c_save_expr.
8266         (c_finish_goto_ptr): Fold expression.
8267         (c_finish_return): Fold return value.  Update call to
8268         convert_for_assignment.
8269         (c_start_case): Fold switch expression.
8270         (c_process_expr_stmt): Fold expression.
8271         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
8272         ensure statement expression is not evaluated in constant expression.
8273         (build_binary_op): Track whether results are integer constant
8274         expressions or may occur in such, disable folding and wrap results
8275         as applicable.  Fold operands for -Wsign-compare warnings unless
8276         in_late_binary_op.
8277         (c_objc_common_truthvalue_conversion): Handle results folded to
8278         integer constants that are not integer constant expressions.
8279         * doc/extend.texi: Document when typeof operands are evaluated,
8280         that condition of __builtin_choose_expr is an integer constant
8281         expression, and more about use of __builtin_constant_p in
8282         initializers.
8283
8284 2009-03-29  Richard Guenther  <rguenther@suse.de>
8285
8286         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
8287         propagate addresses of array references.
8288
8289 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
8290
8291         * regmove.c (perhaps_ends_bb_p): Remove.
8292         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
8293         from INSN and check that the main loop stays within that basic block.
8294         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8295         (regmove_forward_pass): Split out from regmove_optimize.  Use
8296         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8297         (regmove_backward_pass): Split out from regmove_optimize.  Use
8298         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8299         (regmove_optimize): Simplify.
8300
8301 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8302
8303         PR target/39545
8304         * config/i386/i386.c (classify_argument): Ignore flexible array
8305         member in struct and warn ABI change.
8306
8307 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
8308
8309         * config/i386/i386-protos.h (ix86_agi_dependent): New.
8310
8311         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8312         (ix86_adjust_cost): Updated.
8313
8314 2009-03-29  Jan Hubicka  <jh@suse.cz>
8315
8316         PR middle-end/28850
8317         * tree-pass.h (pass_cleanup_eh): New function.
8318         (remove_unreachable_regions): Break code handling RTL
8319         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8320         that can not be reached by runtime.
8321         (can_be_reached_by_runtime): New function.
8322         (label_to_region_map): New function.
8323         (num_eh_regions): New function.
8324         (rtl_remove_unreachable_regions): New function.
8325         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8326         (remove_eh_region): New function.
8327         * except.h: Include sbitmap and vecprim.
8328         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8329         num_eh_regions): Declare.
8330         * passes.c (init_optimization_passes): Schedule cleanup_eh.
8331         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8332         * tree-eh.c (tree_remove_unreachable_handlers): New function.
8333         (tree_empty_eh_handler_p): New function.
8334         (cleanup_empty_eh): New function.
8335         (cleanup_eh): New function.
8336         (pass_cleanup_eh): New function.
8337
8338 2009-03-29  Jan Hubicka  <jh@suse.cz>
8339
8340         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8341         for removed regions.
8342
8343 2009-03-29  Jan Hubicka  <jh@suse.cz>
8344
8345         * except.c (dump_eh_tree): Dump all datastructures.
8346
8347 2009-03-29  Jan Hubicka  <jh@suse.cz>
8348
8349         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8350         (duplicate_eh_regions_1): Likewise.
8351         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8352         vector; call EH verification.
8353         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8354         Be ready for region being removed.
8355
8356 2009-03-29  Jan Hubicka  <jh@suse.cz>
8357
8358         * bitmap.c (bitmap_last_set_bit): New function.
8359         * bitmap.h (bitmap_last_set_bit): Declare.
8360
8361 2009-03-29  David Ayers  <ayers@fsfe.org>
8362
8363         PR objc/27377
8364         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8365         by calling objc_compare_types and surpress warnings about
8366         incompatible C pointers that are compatible ObjC pointers.
8367
8368 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
8369
8370         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8371         call initialize_inline_failed.
8372         (initialize_inline_failed): Move it from here ...
8373         * cgraph.c (initialize_inline_failed): ... to here.
8374         (cgraph_create_edge): Call initialize_inline_failed rather than
8375         setting inline_failed directly.
8376
8377 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8378
8379         PR target/32542
8380         * sysv4.opt (msdata): Improve comment.
8381         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8382         * sysv4.h (SVR4_ASM_SPEC): Likewise.
8383
8384 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8385
8386         PR target/30451
8387         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8388         load and store attributes.
8389
8390 2009-03-29  Ben Elliston  <bje@au.ibm.com>
8391
8392         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8393         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8394         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8395         * doc/extend.texi (X86 Built-in Functions): Add index entries for
8396         __builtin_infq and __builtin_huge_valq.
8397
8398 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
8399
8400         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8401         atmega8m1 devices.
8402         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8403         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8404
8405 2009-03-28  Xinliang David Li  <davidxl@google.com>
8406
8407         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8408         (do_dbg_cnt): New function.
8409
8410 2009-03-28  Jan Hubicka  <jh@suse.cz>
8411
8412         Merge from pretty-ipa:
8413
8414         2009-03-27  Jan Hubicka  <jh@suse.cz>
8415
8416         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8417         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8418         * passes.c (function_called_by_processed_nodes_p): New.
8419         * ipa-pure-const.c (check_call): Fix handling of operands.
8420         (analyze_function): Dump debug output for skipped bodies.
8421         (local_pure_const): Use function_called_by_processed_nodes_p.
8422         * dwarf2out.c (reference_to_unused): Use output.
8423         * passes.c (do_per_function_toporder): Likewise.
8424
8425         2008-11-12  Jan Hubicka  <jh@suse.cz>
8426
8427         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8428         * ipa-pure-const.c (funct_state_d): Add can throw field; make
8429         state_set_in_source enum
8430         (check_decl): Ignore memory tags; do not set fake looping flags;
8431         dump diagnostics.
8432         (check_operand, check_tree, check_rhs_var, check_lhs_var,
8433         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8434         (check_call, analyze_function): Rewrite.
8435         (check_stmt): New.
8436         (add_new_function): Update call of analyze_function.
8437         (generate_summary): Add call of analyze_function.
8438         (propagate): Propagate can_throw; handle state_set_in_source correctly.
8439         (local_pure_const): New function.
8440         (pass_local_pure_const): New pass.
8441         * ipa-inline.c (inline_transform): Set after_inlining.
8442         * tree-eh.c (stmt_can_throw_external): New.
8443         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8444         work with aliasing built.
8445         * tree-flow.h (stmt_can_throw_external): New.
8446         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8447         and local pure/const pass in early and late optimization queue.
8448
8449 2009-03-28  Martin Jambor  <mjambor@suse.cz>
8450
8451         * fold-const.c (get_pointer_modulus_and_residue): New parameter
8452         allow_func_align.
8453         (fold_binary): Allow function decl aligment consideration is the
8454         second argument is integer constant one.
8455         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8456         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8457         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8458
8459 2009-03-28  Jan Hubicka  <jh@suse.cz>
8460
8461         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8462         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8463         * function.h (rtl_data): Add nothrow flag.
8464         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8465         set DECL_NOTHROW for AVAILABLE functions.
8466
8467 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
8468
8469         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8470         following vector keyword has expansion starting with pixel or bool
8471         keyword, expand vector to __vector and pixel or bool to __pixel or
8472         __bool.
8473
8474         PR c++/39554
8475         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8476         warn_if_disallowed_function_p): Removed.
8477         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8478         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8479         warning_if_disallowed_function_p.
8480         * flags.h (warn_if_disallowed_function_p,
8481         warn_disallowed_functions): Removed.
8482         * common.opt (Wdisallowed-function-list=): Removed.
8483         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8484
8485 2009-03-28  Richard Guenther  <rguenther@suse.de>
8486
8487         PR tree-optimization/38723
8488         * tree-ssa-pre.c (compute_avail): Add all default definitions to
8489         the entry block.
8490
8491 2009-03-28  Jan Hubicka  <jh@suse.cz>
8492
8493         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8494         test introduced by my previous patch.
8495
8496 2009-03-28  Richard Guenther  <rguenther@suse.de>
8497
8498         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8499         the PHIs value undefined.
8500
8501 2009-03-28  Jan Hubicka  <jh@suse.cz>
8502
8503         * tree-pass.h (pass_fixup_cfg): New pass.
8504         * ipa-inline.c (inline_transform): Set
8505         always_inline_functions_inlined/after_inlining.
8506         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8507         (pass_fixup_cfg): New pass.
8508         * passes.c (init_optimization_passes): Add fixup_cfg.
8509
8510 2009-03-28  Richard Guenther  <rguenther@suse.de>
8511
8512         PR tree-optimization/38458
8513         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8514         argument use the arguments copy-of value.
8515
8516 2009-03-28  Richard Guenther  <rguenther@suse.de>
8517
8518         PR tree-optimization/38180
8519         * tree-ssa-ccp.c (get_default_value): Simplify.
8520         (likely_value): Likewise.
8521         (surely_varying_stmt_p): Properly handle VOP case.
8522         (ccp_initialize): Likewise.
8523         (ccp_fold): Handle propagating through *&.
8524         (fold_const_aggregate_ref): Also handle decls.
8525
8526 2009-03-28  Jan Hubicka  <jh@suse.cz>
8527
8528         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8529         * cgraph.h (cgraph_node): Likewise.
8530         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8531         (cgraph_reset_node): Use process flag.
8532         (cgraph_mark_functions_to_output): Likewise.
8533         (cgraph_expand_function): Likewise.
8534         (cgraph_expand_all_functions): Likewise.
8535         (cgraph_output_in_order): Likewise.
8536         * dwarf2out.c (reference_to_unused): Likewise.
8537         * passes.c do_per_function_toporder): Likewise.
8538
8539 2009-03-28  Jan Hubicka  <jh@suse.cz>
8540
8541         Bring from lto-branch:
8542
8543         2008-09-03  Doug Kwan  <dougkwan@google.com>
8544
8545         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8546         enums instead of reason strings.
8547         * cgraph.c (cgraph_create_edge): Same.
8548         (cgraph_inline_failed_string): New function.
8549         * cgraph.h (cgraph_inline_failed_t): New enum type.
8550         (cgraph_inline_failed_string): New prototype.
8551         (struct cgraph_edge): Change type of INLINED_FAILED from constant
8552         char pointer to cgraph_inline_failed_t.
8553         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8554         (cgraph_default_inline_p): Ditto.
8555         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8556         to cgraph_inline_failed_t pointer.
8557         * cif-code.def: New file.
8558         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8559         reason string.
8560         (cgraph_check_inline_limits): Change type of REASON to pointer to
8561         cgraph_inline_failed_t.  Replace reason strings with enums.
8562         (cgraph_default_inline_p): Ditto.
8563         (cgraph_recursive_inlining_p): Ditto.
8564         (update_caller_keys): Change type of FAILED_REASON to
8565         cgraph_inline_failed_t.
8566         (cgraph_set_inline_failed): Change type of REASON to pointer to
8567         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
8568         convert enums to strings for text output.
8569         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8570         to be of type cgraph_inline_failed_t.  Replace reason strings with
8571         enums.  Call cgraph_inline_failed_string to covert enums
8572         to strings for text output.
8573         (cgraph_decide_inlining): Replace reason strings with enums.
8574         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8575         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
8576         for text output.
8577         * tree-inline.c (expand_call_inline): Change type of REASON
8578         to cgraph_inline_failed_t.  Replace reason strings with enums.
8579         Call cgraph_inline_failed_string for text output.
8580         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8581         (cgraph.o): Ditto.
8582
8583 2009-03-28  Jan Hubicka  <jh@suse.cz>
8584
8585         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8586         cgraph_clone_node): Remove master clone handling.
8587         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8588         * cgraph.h (master_clone): Remove.
8589         (cgraph_is_master_clone, cgraph_master_clone): Remove.
8590         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8591         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8592
8593 2009-03-28  Jan Hubicka  <jh@suse.cz>
8594
8595         * cgraph.c (cgraph_function_body_availability): Functions declared
8596         inline are always safe to assume that it is not going to be replaced.
8597
8598 2009-03-28  Richard Guenther  <rguenther@suse.de>
8599
8600         PR tree-optimization/38513
8601         * tree-ssa-pre.c (eliminate): Remove redundant stores.
8602         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8603         EXC_PTR_EXPR and FILTER_EXPR.
8604         (get_ref_from_reference_ops): Likewise.
8605
8606 2009-03-28  Richard Guenther  <rguenther@suse.de>
8607
8608         PR tree-optimization/38968
8609         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8610         Use FLOOR_MOD_EXPR to compute misalignment.
8611
8612 2009-03-28  Richard Guenther  <rguenther@suse.de>
8613
8614         PR tree-optimization/37795
8615         * tree.h (combine_comparisons): Declare.
8616         * fold-const.c (combine_comparisons): Export.
8617         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8618         comparisons.
8619         (ifcombine_iforif): Use combine_comparisons.
8620
8621 2009-03-28  Jan Hubicka  <jh@suse.cz>
8622
8623         * tree-eh.c (inlinable_call_p): New function.
8624         (make_eh_edges): Use it.
8625         (verify_eh_edges): Use it.
8626         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8627         * except.c (reachable_next_level): Add inlinable_function argument
8628         (sjlj_find_directly_reachable_regions): Update.
8629         (add_reachable_handler): Do not set saw_any_handlers.
8630         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8631         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8632         Add new inlinable call parameter.
8633         (can_throw_internal, can_throw_external): Update.
8634         * except.h (can_throw_internal_1, can_throw_external_1,
8635         foreach_reachable_handler): Update declaration.
8636
8637 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
8638
8639         * config/arm/t-arm-coff, config/h8300/coff.h,
8640         config/i386/i386-aout.h, config/i386/i386-coff.h,
8641         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8642         config/pdp11/2bsd.h, config/rs6000/aix41.h,
8643         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8644         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8645         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8646         sys-types.h: Remove.
8647         * Makefile.in: Remove protoize and fixproto support and references
8648         in comments.
8649         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8650         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8651         Remove.
8652         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8653         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8654         unprotoize$(exeext).
8655         (rest.encap): Don't depend on $(STMP_FIXPROTO)
8656         (.PHONY): Don't depend on proto.
8657         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8658         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8659         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8660         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8661         build/gen-protos.o, build/scan.o, xsys-protos.h,
8662         build/fix-header$(build_exeext), build/fix-header.o,
8663         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8664         stmp-install-fixproto): Remove.
8665         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8666         SYSCALLS.c or fixproto files.
8667         (install-common): Don't install protoize.
8668         (install-headers-tar, install-headers-cpio, install-headers-cp):
8669         Don't depend on $(STMP_FIXPROTO).
8670         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
8671         install fixproto files or write out fixproto settings.
8672         (uninstall): Don't uninstall protoize.
8673         * config.gcc (use_fixproto): Remove.
8674         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8675         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8676         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8677         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8678         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8679         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8680         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8681         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8682         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8683         * config/t-vxworks (STMP_FIXPROTO): Remove.
8684         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8685         STMP_FIXPROTO): Remove.
8686         * config.in, configure: Regenerate.
8687         * crtstuff.c (gid_t, uid_t): Don't undefine.
8688         * doc/install.texi: Change m68k-coff to m68k-elf in example.
8689         (arm-*-coff, arm-*-aout: Remove target entries.
8690         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8691         Remove mention of AIX 4.1.
8692         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8693         * doc/invoke.texi (Running Protoize): Remove.
8694         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8695         (Protoize Caveats): Remove.
8696         * tsystem.h: Update comments on headers assumed to exist.
8697
8698 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
8699
8700         * genautomata.c: Add a new year to the copyright.  Add a new
8701         reference.
8702         (struct insn_reserv_decl): Add comments for member bypass_list.
8703         (find_bypass): Remove.
8704         (insert_bypass): New.
8705         (process_decls): Use insert_bypass.
8706         (output_internal_insn_latency_func): Output all bypasses with the
8707         same input insn in one switch case.
8708
8709         * rtl.def (define_bypass): Describe bypass choice.
8710         * doc/md.texi (define_bypass): Ditto.
8711
8712 2009-03-27  Richard Guenther  <rguenther@suse.de>
8713
8714         * gimplify.c (mark_addressable): Export.
8715         * tree-flow.h (mark_addressable): Declare.
8716         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8717         * tree-ssa.c (verify_phi_args): Verify that address taken
8718         variables have TREE_ADDRESSABLE set.
8719
8720 2009-03-27  Richard Guenther  <rguenther@suse.de>
8721
8722         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8723         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
8724         Do not mark decls TREE_ADDRESSABLE.
8725         (build_fold_addr_expr): Adjust.
8726         (fold_addr_expr): Remove.
8727         (fold_unary): Use build_fold_addr_expr.
8728         (fold_comparison): Likewise.
8729         (split_address_to_core_and_offset): Likewise.
8730         * coverage.c (tree_coverage_counter_addr): Mark the array decl
8731         TREE_ADDRESSABLE.
8732         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8733         (gimplify_modify_expr_to_memcpy): Mark source and destination
8734         addressable.
8735         * omp-low.c (create_omp_child_function): Mark the object decl
8736         TREE_ADDRESSABLE.
8737         (lower_rec_input_clauses): Mark the var we take the address of
8738         TREE_ADDRESSABLE.
8739         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8740
8741 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8742
8743         PR middle-end/39315
8744         * cfgexpand.c (expand_one_stack_var_at): Change alignment
8745         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8746
8747 2009-03-27  Richard Guenther  <rguenther@suse.de>
8748
8749         PR tree-optimization/39120
8750         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8751         constraints.
8752         (handle_lhs_call): Process return constraints.  Add escape
8753         constraints if necessary.
8754         (handle_const_call): Fill out return constraints.  Make nested
8755         case more precise.  Avoid consttmp if possible.
8756         (handle_pure_call): Fill out return constraints.  Avoid
8757         callused if possible.
8758         (find_func_aliases): Simplify call handling.
8759
8760 2009-03-27  Richard Guenther  <rguenther@suse.de>
8761
8762         PR tree-optimization/39120
8763         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8764         as a representative.
8765         (solve_graph): Do propagate CALLUSED.
8766         (handle_pure_call): Use a scalar constraint from CALLUSED for
8767         the return value.
8768         (find_what_p_points_to): CALLUSED shall not appear in poins-to
8769         solutions.
8770
8771 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8772
8773         PR c/39323
8774         * c-common.c (handle_aligned_attribute): Properly check alignment
8775         overflow.  Use (1U << i) instead of (1 << i).
8776
8777         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8778
8779         * expr.h (get_mem_align_offset): Updated.
8780
8781         * tree.h (tree_decl_common): Change align to "unsigned int" and
8782         move it before pointer_alias_set.
8783
8784 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8785             Jakub Jelinek  <jakub@redhat.com>
8786
8787         PR target/38034
8788         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8789         gr_register_operand with gr_reg_or_0_operand.
8790         (cmpxchg_rel_di): Likewise.
8791         (sync_lock_test_and_set<mode>): Likewise.
8792
8793 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8794
8795         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8796         (true_regnum): Likewise.
8797
8798         * rtlanal.c (subreg_info): Moved to ...
8799         * rtl.h (subreg_info): Here.  New.
8800         (subreg_get_info): New.
8801
8802         * rtlanal.c (subreg_get_info): Make it extern.
8803
8804 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8805
8806         PR target/39472
8807         * config/i386/i386.c (ix86_abi): New.
8808         (override_options): Handle -mabi=.
8809         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8810         (ix86_call_abi_override): Likewise.
8811         (init_cumulative_args): Likewise.
8812         (function_arg_advance): Likewise.
8813         (function_arg_64): Likewise.
8814         (function_arg): Likewise.
8815         (ix86_pass_by_reference): Likewise.
8816         (ix86_function_value_regno_p): Likewise.
8817         (ix86_build_builtin_va_list_abi): Likewise.
8818         (setup_incoming_varargs_64): Likewise.
8819         (is_va_list_char_pointer): Likewise.
8820         (ix86_init_machine_status): Likewise.
8821         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8822         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
8823         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
8824         (ix86_function_abi): Make it static and return enum calling_abi.
8825         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
8826         with ix86_abi.
8827         (ix86_fn_abi_va_list): Updated.
8828
8829         * config/i386/i386.h (ix86_abi): New.
8830         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8831         (CONDITIONAL_REGISTER_USAGE): Likewise.
8832         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8833         (machine_function): Likewise.
8834
8835         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8836         with ix86_abi.
8837         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8838         (STACK_BOUNDARY): Likewise.
8839         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8840
8841         * config/i386/i386.opt (mabi=): New.
8842
8843         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8844         return enum calling_abi.
8845         (ix86_function_type_abi): Likewise.
8846         (ix86_function_abi): Removed.
8847
8848         * doc/invoke.texi: Document -mabi= option for x86.
8849
8850 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8851
8852         * builtins.c (real_dconstp): Delete.
8853         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8854
8855 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
8856             Jakub Jelinek  <jakub@redhat.com>
8857
8858         PR debug/37959
8859         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8860         (gen_subprogram_die): When a function is explicit, generate the
8861         DW_AT_explicit attribute.
8862         * langhooks.h (struct lang_hooks_for_decls): Add
8863         function_decl_explicit_p langhook.
8864         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8865         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8866
8867 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
8868
8869         * builtins.c (fold_builtin_memory_op): Optimize memmove
8870         into memcpy if we can prove source and destination don't overlap.
8871
8872         * tree-inline.c: Include gt-tree-inline.h.
8873         (clone_fn_id_num): New variable.
8874         (clone_function_name): New function.
8875         (tree_function_versioning): Use it.
8876         * Makefile.in (GTFILES): Add tree-inline.c.
8877
8878 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
8879
8880         * BASE-VER: Change to 4.5.0.
8881
8882 2009-03-27  Xinliang David Li  <davidxl@google.com>
8883
8884         PR tree-optimization/39557
8885         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8886
8887 2009-03-27  Xinliang David Li  <davidxl@google.com>
8888
8889         PR tree-optimization/39548
8890         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8891         candidate check.
8892
8893 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8894
8895         * c-common.c (pointer_int_sum): Use %wd on return from
8896         tree_low_cst.
8897
8898 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
8899
8900         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8901         on return from tree_low_cst.
8902
8903 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8904
8905         PR c++/36799
8906         * ginclude/stdarg.h (va_copy): Define also for
8907         __GXX_EXPERIMENTAL_CXX0X__.
8908
8909 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8910
8911         PR c++/35652
8912         * builtins.h (c_strlen): Do not warn here.
8913         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8914         * c-common.c (pointer_int_sum): Take an explicit location.
8915         Warn about offsets out of bounds.
8916         * c-common.h (pointer_int_sum): Adjust declaration.
8917
8918 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8919
8920         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8921         markup glitch.
8922
8923 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
8924
8925         PR c++/39554
8926         * opts.c (warn_if_disallowed_function_p): Don't assume
8927         get_callee_fndecl must return non-NULL.
8928
8929 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
8930
8931         PR rtl-optimization/39522
8932         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8933         when reg_reloaded_valid is set.
8934
8935 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8936
8937         * config/spu/divv2df3.c: New file.
8938         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8939         (DPBIT_FUNCS): Filter out _div_df.
8940
8941 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
8942
8943         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8944         a jump insn, count that jump in the distance to the loop start.
8945
8946 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8947
8948         PR target/39523
8949         * config/sh/sh.c (calc_live_regs): Fix condition for global
8950         registers except PIC_OFFSET_TABLE_REGNUM.
8951
8952 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
8953
8954         PR/39518
8955         * doc/invoke.texi (-mconsole): New.
8956         (-mcygwin): New.
8957         (-mno-cygwin): New.
8958         (-mdll): New.
8959         (-mnop-fun-dllimport): New.
8960         (-mthread): New.
8961         (-mwin32): New.
8962         (-mwindows): New.
8963         (sub section "i386 and x86-64 Windows Options"): New.
8964
8965 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
8966
8967         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8968         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8969
8970 2009-03-25  Richard Guenther  <rguenther@suse.de>
8971
8972         PR middle-end/39497
8973         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8974         of -Wno-error.
8975
8976 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
8977
8978         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8979         neither of haifa/selective schedulers are working.
8980
8981 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8982
8983         * doc/invoke.texi (Debugging Options): Fix description of
8984         -fno-merge-debug-strings.
8985
8986 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
8987
8988         * config/cris/libgcc.ver: New version-script.
8989         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
8990
8991         * configure.ac <GAS features, nop mnemonic>: Add pattern
8992         crisv32-*-* for "nop".
8993         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
8994         * configure: Regenerate.
8995
8996 2009-03-24  Ira Rosen  <irar@il.ibm.com>
8997
8998         PR tree-optimization/39529
8999         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
9000         mark_sym_for_renaming for the tag copied to the new vector
9001         pointer.
9002
9003 2009-03-24  Arthur Loiret  <aloiret@debian.org>
9004
9005         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
9006         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
9007         EXTRA_SPEC_FUNCTIONS.
9008         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
9009         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
9010         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
9011         -march and -mtune options.
9012
9013 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
9014
9015         * config/m68k/t-rtems: Add m5329 multilib.
9016
9017 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
9018             Jakub Jelinek  <jakub@redhat.com>
9019
9020         PR debug/39524
9021         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
9022         nodes.
9023
9024 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9025
9026         PR c/39495
9027         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
9028         instead of c_parser_expression_conv, if original_code isn't one of the
9029         4 allowed comparison codes, fail.
9030
9031 2009-03-23  Richard Guenther  <rguenther@suse.de>
9032
9033         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
9034         * tree.h (struct tree_type): Likewise.
9035         * reload.h (struct insn_chain): Likewise.
9036         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
9037         * function.h (struct function): Likewise.
9038         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
9039
9040 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
9041
9042         PR tree-optimization/39516
9043         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
9044
9045 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
9046
9047         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
9048         should be set true if BITS_PER_WORD of target is bigger than 32
9049
9050 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
9051
9052         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
9053         Translate -B-options to -rpath-link.  Correct existing
9054         rpath-link and conditionalize on !nostdlib.
9055
9056 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9057
9058         * doc/extend.texi (Function Attributes, Variable Attributes):
9059         Fix typos.
9060         * doc/invoke.texi (Debugging Options, Optimize Options)
9061         (i386 and x86-64 Options, MCore Options): Likewise.
9062
9063 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
9064
9065         PR debug/37890
9066         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
9067         it for block local namespace aliases.
9068         (gen_decl_die): Pass context_die to gen_namespace_die.
9069
9070 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9071
9072         PR c/39495
9073         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
9074         minimum or maximum value.
9075
9076 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
9077
9078         * reginfo.c (globalize_reg): Recompute derived reg sets.
9079
9080 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
9081
9082         PR target/39063
9083         * libgcc2.c (mprotect): Do not use signed arguments for
9084         VirtualProtect, use DWORD arguments.  Also fix the 'may
9085         be used uninitialized' warning for the np variable.
9086
9087 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
9088
9089         PR target/39496
9090         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
9091         functions using regparm calling conventions when not optimizing.
9092         (ix86_function_sseregparm): Similarly for sseregparm calling
9093         conventions.
9094
9095 2009-03-19  Li Feng  <nemokingdom@gmail.com>
9096
9097         PR middle-end/39500
9098         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
9099         dependence if the first conflict is after niter iterations.
9100
9101 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
9102
9103         PR middle-end/38609
9104         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
9105         functions with dynamic stack-pointer adjustments.
9106
9107 2009-03-19  Ben Elliston  <bje@au.ibm.com>
9108
9109         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
9110         option; change to -msdata=data.
9111
9112 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9113
9114         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
9115         and -fopenmp.
9116
9117 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
9118
9119         PR target/35180
9120         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
9121
9122 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
9123
9124         * doc/invoke.texi (Code Gen Options): Expand discussion of
9125         -fno-common.
9126
9127 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
9128
9129         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
9130         * matrix-reorg.c (struct matrix_info): Likewise.
9131         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
9132         * rtl.h (struct mem_attrs): Likewise.
9133         * df.h (struct df): Likewise.
9134         * tree-data-ref.h (struct data_dependence_relation): Likewise.
9135         * ira-int.h (struct ira_allocno): Likewise.
9136         * df-scan.c (struct df_collection_rec): Likewise.
9137         * ira.c (struct equivalence): Likewise.
9138         * function.c (struct temp_slot): Likewise.
9139         * cfgloop.h (struct loop): Likewise.
9140
9141         PR debug/39485
9142         * function.c (use_register_for_decl): When not optimizing, disregard
9143         register keyword for variables with types containing methods.
9144
9145 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
9146
9147         PR middle-end/39447
9148         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
9149         (is_simple_operand): Call contains_component_ref_p before calling data
9150         reference analysis that would fail on COMPONENT_REFs.
9151
9152         * tree-vrp.c (search_for_addr_array): Fix formatting.
9153
9154 2009-03-18  Richard Guenther  <rguenther@suse.de>
9155
9156         * tree-vect-transform.c (vect_loop_versioning): Fold the
9157         generated comparisons.
9158         * tree-vectorizer.c (set_prologue_iterations): Likewise.
9159         (slpeel_tree_peel_loop_to_edge): Likewise.
9160
9161 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9162
9163         PR middle-end/37805
9164         * opts.c (print_specific_help): In addition to `undocumented',
9165         accept `separate' and `joined' flags if passed alone.  Describe
9166         output by the first matched one of those.
9167         (common_handle_option): Skip over empty strings.
9168         * gcc.c (display_help): Fix help string for `--help='.
9169         * doc/invoke.texi (Option Summary, Overall Options): With
9170         `--help=', classes and qualifiers can both be repeated, but
9171         only the latter can be negated.  One should not pass only
9172         negated qualifiers.  Fix markup and examples.
9173
9174         Revert
9175         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
9176         PR middle-end/37805
9177         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
9178         and -fhelp=separate.
9179
9180 2009-03-17  Jing Yu  <jingyu@google.com>
9181
9182         PR middle-end/39378
9183         * function.h (struct rtl_data): Move is_thunk from here...
9184         (struct function): ...to here.
9185         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
9186         * varasm.c (assemble_start_function): Change is_thunk from crtl to
9187         cfun.
9188         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
9189         cfun.
9190         (alpha_does_function_need_gp, alpha_start_function): Likewise.
9191         (alpha_output_function_end_prologue): Likewise.
9192         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
9193         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
9194         (rs6000_output_function_epilogue): Likewise.
9195         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
9196
9197 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
9198
9199         PR target/39482
9200         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
9201         from different units in a single alternative.
9202         (*truncdfsf_i387): Ditto.
9203         (*truncxfsf2_mixed): Ditto.
9204         (*truncxfdf2_mixed): Ditto.
9205
9206 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
9207
9208         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
9209         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
9210
9211         PR debug/39474
9212         * tree-ssa-live.c (remove_unused_locals): Don't remove local
9213         unused non-artificial variables when not optimizing.
9214
9215         PR debug/39471
9216         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
9217         DW_TAG_imported_module even if decl is IMPORTED_DECL with
9218         NAMESPACE_DECL in its DECL_INITIAL.
9219
9220         PR middle-end/39443
9221         * optabs.c (set_user_assembler_libfunc): New function.
9222         * expr.h (set_user_assembler_libfunc): New prototype.
9223         * c-common.c: Include libfuncs.h.
9224         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9225         for memcmp, memset, memcpy, memmove and abort.
9226         * Makefile.in (c-common.o): Depend on libfuncs.h.
9227
9228         PR debug/39412
9229         * dwarf2out.c (gen_inlined_enumeration_type_die,
9230         gen_inlined_structure_type_die, gen_inlined_union_type_die,
9231         gen_tagged_type_instantiation_die): Removed.
9232         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9233         do nothing.
9234
9235 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
9236
9237         PR testsuite/38526
9238         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9239         its use.
9240         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
9241         (check-parallel-%): Ditto.
9242         (check-consistency): Ditto.
9243
9244 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
9245
9246         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
9247         local variable rhs by NULL_TREE.
9248
9249 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9250
9251         PR target/39477
9252         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
9253
9254 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9255
9256         PR target/39476
9257         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
9258
9259 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
9260
9261         PR target/39473
9262         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
9263         for ms->sysv ABI calls only in 64bit mode.
9264
9265         * config/i386/i386.md (untyped_call): Support 32bit.
9266
9267 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
9268
9269         * doc/extend.texi: Replace x86_65 with x86_64.
9270
9271 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
9272
9273         PR tree-optimization/39455
9274         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9275         mismatches for POINTER_TYPE_P (type).
9276         (number_of_iterations_le): Likewise.
9277
9278 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
9279
9280         * config/picochip/picochip.c: Removed profiling support.
9281         * config/picochip/picochip.md: Removed profiling instruction.
9282         * config/picochip/picochip.h: Removed profiling builtin.
9283
9284 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
9285
9286         * doc/install.texi (--with-host-libstdcxx): Document.
9287
9288 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
9289
9290         PR target/34299
9291         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9292         generate a warning if the function name does not begin with
9293         "__vector" and the function has either the 'signal' or 'interrupt'
9294         attribute, from here to ...
9295         (avr_declare_function_name): ...here. New function.
9296         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9297         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9298
9299 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
9300
9301         PR bootstrap/39454
9302         * cse.c (fold_rtx): Don't modify original const_arg1 when
9303         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9304         separate variable instead.
9305         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9306         from out of range shift counts.
9307         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9308
9309 2009-03-13  Catherine Moore  <clm@codesourcery.com>
9310
9311         * config/i386/x-mingw32 (host-mingw32.o): Replace
9312         diagnostic.h with $(DIAGNOSTIC_H).
9313
9314 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
9315
9316         PR target/39431
9317         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9318         predicate.
9319         * config/i386/sync.md (sync_compare_and_swap<mode>,
9320         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9321         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9322         into a register.
9323         (sync_double_compare_and_swapdi_pic,
9324         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9325         cmpxchg8b_pic_memory_operand instead of just memory_operand.
9326
9327 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9328
9329         PR target/39445
9330         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9331
9332 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9333
9334         PR target/39327
9335         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9336         (avx_addsubv4df3): Likewise.
9337         (*avx_addsubv4sf3): Likewise.
9338         (sse3_addsubv4sf3): Likewise.
9339
9340 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
9341
9342         PR target/38824
9343         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9344
9345 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
9346
9347         PR debug/39432
9348         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9349         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9350         registers for allocnos created from user-defined variables.
9351
9352 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9353
9354         PR target/39181
9355         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9356         of non-integer mode as well.
9357
9358 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
9359
9360         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9361         for functions for which the parameter types are unknown.
9362
9363 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
9364
9365         PR target/39137
9366         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9367         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9368         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9369         * config/i386/i386.c (ix86_local_alignment): For
9370         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9371         long long variables on the stack to avoid dynamic realignment.
9372         Allow the first argument to be a decl rather than type.
9373         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9374
9375 2009-03-11  Nick Clifton  <nickc@redhat.com>
9376
9377         PR target/5362
9378         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9379         options.
9380         Add description to mno-lsim option.
9381         * config/mcore/mcore.h: Remove comment about deprecated m4align
9382         option.
9383         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9384         * doc/invoke.texi: Add description of mno-lsim and
9385         mstack-increment options.
9386
9387         * config/fr30/fr30.opt: Document the -mno-lsim option.
9388         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9389         and -mno-lsim options.
9390
9391 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9392
9393         * fold-const.c (fold_comparison): Only call fold_inf_compare
9394         if the mode supports infinities.
9395
9396 2009-03-11  Jason Merrill  <jason@redhat.com>
9397
9398         PR debug/39086
9399         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9400         end already did.  Notice GIMPLE_CALL modifications of the result.
9401         Don't copy debug information from an ignored decl or a decl from
9402         another function.
9403
9404 2009-03-10  Richard Guenther  <rguenther@suse.de>
9405             Nathan Froyd  <froydnj@codesourcery.com>
9406
9407         PR middle-end/37850
9408         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9409         (__divMODE3): Likewise.
9410
9411 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
9412
9413         PR tree-optimization/39394
9414         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9415         DECL_SIZE_UNIT of variable length FIELD_DECLs.
9416
9417 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9418
9419         * recog.c (verfiy_changes): Disallow renaming of hard regs in
9420         inline asms for register asm ("") declarations.
9421
9422 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
9423
9424         * fold-const.c (fold_unary): Fix comment.
9425
9426 2009-03-07  Jan Hubicka  <jh@suse.cz>
9427
9428         PR target/39361
9429         * tree-inline.c (setup_one_parameter): Do replacement of const
9430         argument by constant in SSA form.
9431
9432 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9433
9434         PR middle-end/38028
9435         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9436         determine alignment passed to assign_stack_local.
9437         (assign_parms_unsplit_complex): Likewise.
9438         * except.c (sjlj_build_landing_pads): Likewise.
9439
9440 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9441
9442         PR middle-end/39360
9443         * tree-flow.h (add_referenced_var): Return bool instead of void.
9444         * tree-dfa.c (add_referenced_var): Return result of
9445         referenced_var_check_and_insert call.
9446         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9447         of referenced_var_check_and_insert.
9448
9449         PR debug/39372
9450         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9451         (gen_variable_die): Emit DW_AT_location on abstract static variable's
9452         DIE, don't emit it if abstract origin already has it.
9453         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9454         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9455
9456 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9457
9458         * genpreds.c (needs_variable): Fix parentheses at variable name
9459         detection.
9460         (write_tm_constrs_h): Indent generated code.
9461
9462 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9463
9464         * doc/extend.texi (Function Attributes): Add documentation
9465         for isr attributes.
9466
9467 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
9468
9469         PR debug/39387
9470         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9471         take locus from its DECL_SOURCE_LOCATION instead of input_location.
9472
9473 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
9474
9475         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9476         the loop as bad.
9477
9478 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
9479
9480         PR debug/39379
9481         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9482         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9483
9484 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
9485
9486         * config/i386/i386.md (R8_REG, R9_REG): New constants.
9487         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9488         constants instead of magic numbers.
9489         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9490         (QI_REG_P): Ditto.
9491         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9492         (x86_64_ms_abi_int_parameter_registers): Ditto.
9493         (x86_64_int_return_registers): Ditto.
9494         (ix86_maybe_switch_abi): Ditto.
9495         (ix86_expand_call): Ditto for clobbered_registers array.
9496         (ix86_hard_regno_mode_ok): Ditto.
9497         (x86_extended_QIreg_mentioned_p): Ditto.
9498
9499 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
9500
9501         PR tree-optimization/39349
9502         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9503
9504         * combine.c (gen_lowpart_for_combine): Use omode when generating
9505         clobber.
9506
9507 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
9508
9509         PR rtl-optimization/39235
9510         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9511
9512 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9513
9514         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9515
9516 2009-03-04  Richard Guenther  <rguenther@suse.de>
9517
9518         PR tree-optimization/39362
9519         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9520         that occur in abnormal PHIs should be varying.
9521
9522 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
9523
9524         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9525         Extend comments.
9526         (simple_iv):  Take loop as an argument instead of statement.
9527         * tree-scalar-evolution.h (simple_iv): Declaration changed.
9528         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9529         to simple_iv.
9530         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9531         Ditto.
9532         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9533         * matrix-reorg.c (analyze_transpose): Ditto.
9534         * tree-data-ref.c (dr_analyze_innermost): Ditto.
9535         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9536         * tree-predcom.c (ref_at_iteration): Ditto.
9537         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9538
9539 2009-03-04  Richard Guenther  <rguenther@suse.de>
9540
9541         PR tree-optimization/39358
9542         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9543         escaped_id and callused_id.
9544         (solve_graph): Likewise.
9545
9546 2009-03-04  Richard Guenther  <rguenther@suse.de>
9547
9548         PR tree-optimization/39339
9549         * tree-sra.c (try_instantiate_multiple_fields): Make it
9550         no longer ICE on the above.
9551
9552 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
9553
9554         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9555         that fits within Pmode.
9556
9557 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9558
9559         PR middle-end/10109
9560         * tm.texi (LIBCALL_VALUE): Update description.
9561
9562 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
9563
9564         PR middle-end/34443
9565         * doc/extend.texi (section): Update description.
9566
9567 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
9568
9569         PR middle-end/39345
9570         * tree-inline.c (remapped_type): New.
9571         (can_be_nonlocal): Call remapped_type instead of remap_type.
9572
9573 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9574
9575         PR fortran/39354
9576         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9577         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9578
9579 2009-03-03  Richard Guenther  <rguenther@suse.de>
9580
9581         PR middle-end/39272
9582         * tree.c (tree_nonartificial_location): New function.
9583         * tree.h (tree_nonartificial_location): Declare.
9584         * builtins.c (expand_builtin_memory_chk): Provide location
9585         of the call location for artificial function pieces.
9586         (maybe_emit_chk_warning): Likewise.
9587         (maybe_emit_sprintf_chk_warning): Likewise.
9588         (maybe_emit_free_warning): Likewise.
9589         * expr.c (expand_expr_real_1): Likewise.
9590
9591 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
9592
9593         PR tree-optimization/39343
9594         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9595         COMPONENT_REF t has ARRAY_TYPE.
9596
9597 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
9598
9599         PR middle-end/39335
9600         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9601         when the type precision of the induction variable should be
9602         larger than the type precision of nit.
9603         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9604         * graphite.c (graphite_loop_normal_form): Same.
9605         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9606
9607 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9608
9609         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9610         (*call_1_rex64_ms_sysv): Use named constants instead of magic
9611         numbers to describe clobbered registers.
9612         (*call_value_0_rex64_ms_sysv): Ditto.
9613         * config/i386/mmx.md (mmx_emms): Ditto.
9614         (mmx_femms): Ditto.
9615
9616 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
9617
9618         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9619         of ABI_64.
9620
9621 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9622
9623         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9624         (spu_section_type_flags): New function.
9625
9626 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
9627
9628         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9629         reg_class_contents of FLOAT_REGS into a temporary.
9630
9631 2009-03-02  Richard Guenther  <rguenther@suse.de>
9632             Ira Rosen  <irar@il.ibm.com>
9633
9634         PR tree-optimization/39318
9635         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9636         information to the vectorized statement.
9637
9638 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
9639
9640         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9641         variable.  Use defined names instead of magic constants for REX SSE
9642         registers.
9643
9644 2009-03-01  Richard Guenther  <rguenther@suse.de>
9645
9646         PR tree-optimization/39331
9647         * omp-low.c (lower_send_shared_vars): Do not receive new
9648         values for the reference of DECL_BY_REFERENCE parms or results.
9649
9650 2009-03-01  Jan Hubicka  <jh@suse.cz>
9651
9652         PR debug/39267
9653         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9654         BLOCK_NONLOCALIZED_VAR): New macros.
9655         (tree_block): Add nonlocalized_vars.
9656         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9657         gen_decl_die): Add origin argument.  Allow generation of die with
9658         origin at hand only.
9659         (gen_member_die, gen_type_die_with_usage, force_decl_die,
9660         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9661         of gen_*.
9662         (gen_block_die): Fix checking for unused blocks.
9663         (process_scope_var): Break out from .... ; work with origins only.
9664         (decls_for_scope) ... here; process nonlocalized list.
9665         (dwarf2out_ignore_block): Look for nonlocalized vars.
9666         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9667         vars.
9668         (dump_scope_block): Dump them.
9669         * tree-inline.c (remap_decls): Handle nonlocalized vars.
9670         (remap_block): Likewise.
9671         (can_be_nonlocal): New predicate.
9672         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9673
9674 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9675
9676         * configure: Regenerate.
9677
9678 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9679
9680         * optc-gen.awk: No need to duplicate option flags twice.
9681         Reuse help texts for duplicate options which do not have any.
9682
9683         * gcc.c (display_help): Document --version.
9684
9685         * gcc.c (main): If print_help_list and verbose_flag, ensure
9686         driver output comes before subprocess output.
9687
9688         * optc-gen.awk: Assign all remaining fields to help string,
9689         space-separated, for multi-line help in *.opt.
9690
9691         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9692         -Wno-pedantic-ms-format is for MinGW targets only.
9693
9694         * doc/options.texi (Option file format): Fix bad indentation,
9695         restoring dropped sentence.
9696
9697 2009-02-28  Jan Hubicka  <jh@suse.cz>
9698
9699         * tree-inline.c (tree_function_versioning): Output debug info.
9700
9701 2009-02-28  Jan Hubicka  <jh@suse.cz>
9702
9703         PR debug/39267
9704         * tree-inline.c (setup_one_parameter): Do not copy propagate
9705         arguments when not optimizing.
9706
9707 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9708
9709         PR target/39327
9710         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9711         (avx_addsubv4df3): Likewise.
9712         (*avx_addsubv4sf3): Likewise.
9713         (sse3_addsubv4sf3): Likewise.
9714         (*avx_addsubv2df3): Likewise.
9715         (sse3_addsubv2df3): Likewise.
9716         (avx_unpckhps256): Correct item selectors.
9717         (avx_unpcklps256): Likewise.
9718         (avx_unpckhpd256): Likewise.
9719         (avx_unpcklpd256): Likewise.
9720
9721 2009-02-28  Jan Hubicka  <jh@suse.cz>
9722
9723         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9724         static vars.
9725         (copy_arguments_for_versioning): If var is declared don't declare it.
9726         (tree_function_versioning): First setup substitutions and then copy
9727         args.
9728
9729 2009-02-27  Jan Hubicka  <jh@suse.cz>
9730
9731         PR debug/39267
9732         * cgraph.h (varpool_output_debug_info): Remove.
9733         * cgraphunit.c (varpool_output_debug_info): Remove.
9734         * dwarf2out.c (deferred_locations_struct): New struct
9735         (deferred_locations): New type.
9736         (deferred_locations_list): New static var.
9737         (deffer_location): New function.
9738         (gen_variable_die): Use it.
9739         (decls_for_scope): Output info on local static vars.
9740         (dwarf2out_finish): Process deferred locations.
9741         * varpool.c (varpool_output_debug_info): Remove.
9742
9743 2009-02-27  Jan Hubicka  <jh@suse.cz>
9744
9745         PR debug/39267
9746         * tree.h (TREE_PROTECTED): Fix comment.
9747         (BLOCK_HANDLER_BLOCK): Remove.
9748         (struct tree_block): Remove handler_block add body_block.
9749         (inlined_function_outer_scope_p): New.
9750         (is_body_block): Remove.
9751         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9752         * dwarf2out.c (is_inlined_entry_point): Remove.
9753         (add_high_low_attributes): Use inlined_function_outer_scope_p.
9754         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
9755         code.
9756         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9757         * gimplify.c (gimplify_expr): Gimplify body blocks.
9758         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9759         block with multiple subblocks.
9760         (dump_scope_block): Prettier output; dump more flags and info.
9761         (dump_scope_blocks): New.
9762         (remove_unused_locals): Use dump_scope_blocks.
9763         * tree-flow.h (dump_scope_blocks): Declare.
9764         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9765         * stmt.c (is_body_block): Remove.
9766         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9767         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9768
9769 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
9770
9771         PR middle-end/39308
9772         * graphite.c (graphite_loop_normal_form): Do not call
9773         number_of_iterations_exit from a gcc_assert.
9774
9775 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9776
9777         * config/s390/s390.c (s390_swap_cmp): Look for conditional
9778         jumps if COND is NULL.
9779         (find_cond_jump): New function.
9780         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9781         * config/s390/s390.md: Remove z10_cobra attribute value.
9782
9783 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
9784
9785         * config/alpha/alpha.h (alpha_expand_mov): Return false if
9786         force_const_mem returns NULL_RTX.
9787
9788 2009-02-26  Jan Hubicka  <jh@suse.cz>
9789
9790         PR debug/39267
9791         * cgraph.h (varpool_output_debug_info): Remove.
9792         * cgraphunit.c (varpool_output_debug_info): Remove.
9793         * dwarf2out.c (deferred_locations_struct): New struct
9794         (deferred_locations): New type.
9795         (deferred_locations_list): New static var.
9796         (deffer_location): New function.
9797         (gen_variable_die): Use it.
9798         (decls_for_scope): Output info on local static vars.
9799         (dwarf2out_finish): Process deferred locations.
9800         * varpool.c (varpool_output_debug_info): Remove.
9801
9802 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9803
9804         PR rtl-optimization/39241
9805         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9806         to subreg_offset_representable_p.
9807
9808 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9809
9810         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9811         execute function prototype.  Get f and nregs from max_reg_num
9812         and get_insns.  Remove the first backward pass as it's dead,
9813         guard the forward pass by flag_expensive_optimizations.
9814         (rest_of_handle_regmove): Delete.
9815         (pass_regmove): Replace it with regmove_optimize.
9816
9817 2009-02-25  Martin Jambor  <mjambor@suse.cz>
9818
9819         PR tree-optimization/39259
9820         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9821         calls_alloca function flags.
9822         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9823         calls are detected.
9824
9825 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
9826
9827         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9828         flags_set_1_rtx, flags_set_1_set): Delete.
9829         (regmove_optimize): Do not call mark_flags_life_zones.
9830
9831 2009-02-24  Julian Brown  <julian@codesourcery.com>
9832
9833         PR target/35965
9834         * config/arm/arm.c (require_pic_register): Only set
9835         cfun->machine->pic_reg once per function.
9836
9837 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
9838
9839         * doc/invoke.texi (Link Options): Document an easier way to pass
9840         options that take arguments to the GNU linker using -Xlinker and -Wl.
9841
9842 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
9843
9844         PR target/33785
9845         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9846
9847 2009-02-24  Richard Guenther  <rguenther@suse.de>
9848
9849         PR debug/39285
9850         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9851
9852 2009-02-24  Richard Guenther  <rguenther@suse.de>
9853             Zdenek Dvorak  <ook@ucw.cz>
9854
9855         PR tree-optimization/39233
9856         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9857         from converting them to a generic type.
9858
9859 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
9860
9861         PR tree-optimization/39260
9862         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9863         contains a condition with a real type.
9864         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9865
9866 2009-02-23  Jason Merrill  <jason@redhat.com>
9867
9868         PR c++/38880
9869         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9870         narrowing_initializer_constant_valid_p.
9871         (narrowing_initializer_constant_valid_p): Don't return
9872         null_pointer_node for adding a pointer to itself.
9873
9874 2009-02-23  Jan Hubicka  <jh@suse.cz>
9875
9876         PR c/12245
9877         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9878         resizing.
9879
9880 2009-02-23  Jan Hubicka  <jh@suse.cz>
9881
9882         PR tree-optimization/37709
9883         * tree.c (block_ultimate_origin): Move here from dwarf2out.
9884         * tree.h (block_ultimate_origin): Declare.
9885         * dwarf2out.c (block_ultimate_origin): Move to tree.c
9886         * tree-ssa-live.c (remove_unused_scope_block_p):
9887         Eliminate blocks containig no instructions nor live variables nor
9888         nested blocks.
9889         (dump_scope_block): New function.
9890         (remove_unused_locals): Enable removal of dead blocks by default;
9891         enable dumping at TDF_DETAILS.
9892
9893 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9894
9895         * config/i386/i386.c (classify_argument): Don't allow COImode
9896         and OImode.
9897         (function_arg_advance_32): Don't allow OImode.
9898         (function_arg_32): Likewise.
9899         (function_value_32): Likewise.
9900         (return_in_memory_32): Likewise.
9901         (function_arg_64): Remove OImode comment.
9902
9903 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9904
9905         PR target/39261
9906         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9907         ix86_expand_vector_set for V4DImode in 64bit mode only.
9908         (ix86_expand_vector_init_one_var): Likewise.
9909
9910 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
9911
9912         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9913
9914 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9915
9916         PR bootstrap/39257
9917         * loop-iv.c: Revert last change.
9918         * emit-rtl.c: Likewise.
9919
9920 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
9921
9922         PR target/39256
9923         * config/i386/i386.c (type_natural_mode): Remove an extra
9924         space in the warning message.
9925         (function_value_32): Handle 32-byte vector modes.
9926         (return_in_memory_32): Likewise.
9927
9928 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
9929
9930         * loop-iv.c (truncate_value): New function.
9931         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9932         of lowpart_subreg.
9933         (lowpart_subreg): Move to...
9934         * emit-rtl.c: ...here.
9935
9936 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
9937
9938         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9939         accidental and undocumented change at revision 140860.
9940
9941 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
9942
9943         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9944         take gimple_seq * arguments.
9945         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9946         types_compatible_p langhook.
9947
9948 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
9949             Joseph Myers  <joseph@codesourcery.com>
9950
9951         * config/arm/arm.c (arm_builtin_va_list): New function.
9952         (arm_expand_builtin_va_start): Likewise.
9953         (arm_gimplify_va_arg_expr): Likewise.
9954         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9955         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9956         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9957         (va_list_type): New variable.
9958         (arm_mangle_type): Mangle va_list_type appropriately.
9959
9960 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9961
9962         PR middle-end/39157
9963         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9964         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9965         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9966         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9967         parameter to 1000 for -O1 by default.
9968         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9969         parameter.
9970         * loop-invariant.c: Include params.h.
9971         (move_loop_invariants): Don't call move_single_loop_invariants on
9972         very large loops.
9973
9974 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
9975
9976         * calls.c (emit_library_call_value_1): Use slot_offset instead of
9977         offset when calculating bounds for indexing stack_usage_map.  Fixes
9978         a buffer overflow with certain target setups.
9979
9980 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
9981
9982         PR target/39240
9983         * calls.c (expand_call): Clear try_tail_call if caller and callee
9984         disagree in promotion of function return value.
9985
9986 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
9987
9988         PR target/39175
9989         * c-common.c (c_determine_visibility): If visibility changed and
9990         DECL_RTL has been already set, call make_decl_rtl to update symbol
9991         flags.
9992
9993 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
9994
9995         PR c++/39188
9996         * varasm.c (assemble_variable): Don't check DECL_NAME when
9997         globalizing a variable.
9998
9999 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
10000
10001         PR c/38483
10002         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
10003         expression before any __builtin_trap call.
10004         * c-typeck.c (build_function_call): Convert and check function
10005         arguments before generating a call to a trap.  Evaluate the
10006         function arguments before the trap.
10007
10008 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
10009
10010         PR target/39228
10011         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
10012         (UNSPEC_FXAM_MEM): New unspec.
10013         (fxam<mode>2_i387_with_temp): New insn and split pattern.
10014         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
10015         memory using fxam<mode>2_i387_with_temp to remove excess precision.
10016
10017 2009-02-19  Richard Guenther  <rguenther@suse.de>
10018
10019         PR tree-optimization/39207
10020         PR tree-optimization/39074
10021         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
10022         storedanything_tree): New.
10023         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
10024         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
10025         (build_succ_graph): Add edges from STOREDANYTHING to all
10026         non-direct nodes.
10027         (init_base_vars): Initialize STOREDANYTHING.
10028         (compute_points_to_sets): Free substitution info after
10029         building the succ graph.
10030         (ipa_pta_execute): Likewise.
10031
10032         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
10033         field.
10034         (do_ds_constraint): Do not add to special var or non-pointer
10035         field solutions.
10036         (type_could_have_pointers): Split out from ...
10037         (could_have_pointers): ... here.  For arrays use the element type.
10038         (create_variable_info_for): Initialize may_have_pointers.
10039         (new_var_info): Likewise.
10040         (handle_lhs_call): Make the HEAP variable unknown-sized.
10041         (intra_create_variable_infos): Use a type with pointers for
10042         PARM_NOALIAS, make it unknown-sized.
10043
10044 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
10045
10046         PR target/39224
10047         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
10048
10049 2009-02-18  Jason Merrill  <jason@redhat.com>
10050
10051         PR target/39179
10052         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
10053         value if DECL_EXTERNAL.
10054         * tree-sra.c (sra_walk_gimple_assign): Likewise.
10055         * target.h (gcc_target::binds_local_p): Clarify "module".
10056         * tree.h (TREE_PUBLIC): Clarify "module".
10057
10058 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
10059
10060         PR target/38891
10061         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
10062         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
10063
10064 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
10065
10066         PR target/39082
10067         * c.opt (Wabi): Support C and ObjC.
10068         (Wpsabi): New.
10069
10070         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
10071
10072         * config/i386/i386.c (classify_argument): Warn once about the ABI
10073         change when passing union with long double.
10074
10075         * doc/invoke.texi: Update -Wabi for warning psABI changes.
10076
10077 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
10078
10079         PR c/35447
10080         * c-parser.c (c_parser_compound_statement): Always enter and leave
10081         a scope.
10082
10083 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10084
10085         PR target/34587
10086         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
10087
10088 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
10089
10090         PR tree-optimization/36922
10091         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
10092         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
10093         Likewise.
10094
10095 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10096
10097         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
10098         to 0 for EABI64.
10099
10100 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10101
10102         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
10103
10104 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
10105
10106         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
10107         tree sharing.
10108
10109 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
10110             Richard Sandiford  <rdsandiford@googlemail.com>
10111
10112         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
10113         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
10114         (loongson_biadd): ...this.
10115
10116 2009-02-17  Richard Guenther  <rguenther@suse.de>
10117
10118         PR tree-optimization/39202
10119         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
10120         a var make sure to follow existing collapses.
10121
10122 2009-02-17  Richard Guenther  <rguenther@suse.de>
10123
10124         PR middle-end/39214
10125         * langhooks.c (lhd_print_error_function): Check for NULL block.
10126
10127 2009-02-17  Richard Guenther  <rguenther@suse.de>
10128
10129         PR tree-optimization/39204
10130         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
10131         of the PHI arg.
10132
10133 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
10134
10135         * config/soft-fp/double.h: Update from glibc CVS.
10136
10137 2009-02-17  Richard Guenther  <rguenther@suse.de>
10138
10139         PR tree-optimization/39207
10140         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
10141         strict-aliasing warnings for pointers pointing to NULL.
10142
10143 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
10144
10145         PR c/35446
10146         * c-parser.c (c_parser_braced_init): Call pop_init_level when
10147         skipping until next close brace.
10148
10149 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
10150
10151         PR target/37049
10152         * config/i386/i386.c (ix86_expand_push): Set memory alignment
10153         to function argument boundary.
10154
10155 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
10156
10157         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
10158         in the lea_add. Reload eventually constraints it properly.
10159         * config/picochip/constraints.md: Remove the target constraint
10160         "b", since it is not needed anymore.
10161
10162 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
10163
10164         * gthr-dce.h: Uglify function parameter and local variable names.
10165         * gthr-gnat.h: Likewise.
10166         * gthr-mipssde.h: Likewise.
10167         * gthr-nks.h: Likewise.
10168         * gthr-posix95.h: Likewise.
10169         * gthr-posix.h: Likewise.
10170         * gthr-rtems.h: Likewise.
10171         * gthr-single.h: Likewise.
10172         * gthr-solaris.h: Likewise.
10173         * gthr-tpf.h: Likewise.
10174         * gthr-vxworks.h: Likewise.
10175         * gthr-win32.h: Likewise.
10176
10177 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
10178
10179         PR target/39196
10180         * config/i386/i386.md: Restrict the new peephole2 to move
10181         between MMX/SSE registers.
10182
10183 2009-02-15  Richard Guenther  <rguenther@suse.de>
10184
10185         Revert
10186         2009-02-13  Richard Guenther  <rguenther@suse.de>
10187
10188         * configure.ac: Enable LFS.
10189         * configure: Re-generate.
10190         * config.in: Likewise.
10191
10192 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10193
10194         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
10195         spu_srqwbyte, spu_srqwbytebc): Define.
10196         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
10197         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
10198         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
10199         "shrqby_<mode>"): New insn-and-split patterns.
10200         * config/spu/spu.c (expand_builtin_args): Determine and return
10201         number of operands using spu_builtin_description data.
10202         (spu_expand_builtin_1): Use it.
10203
10204 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
10205
10206         PR target/38056
10207         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
10208         TARGET_CONST_GP.
10209
10210 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10211
10212         PR target/39149
10213         * config/i386/i386.c (override_options): Correct warning
10214         messages for -malign-loops, -malign-jumps and -malign-functions.
10215
10216 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10217
10218         PR target/39152
10219         * config/i386/i386.md: Restrict the new peephole2 to move
10220         between the general purpose registers.
10221
10222 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
10223
10224         PR target/39162
10225         * config/i386/i386.c (type_natural_mode): Add a new argument.
10226         Return the original mode and warn ABI change if vector size is 32byte.
10227         (function_arg_advance): Updated.
10228         (function_arg): Likewise.
10229         (ix86_function_value): Likewise.
10230         (ix86_return_in_memory): Likewise.
10231         (ix86_sol10_return_in_memory): Likewise.
10232         (ix86_gimplify_va_arg): Likewise.
10233         (function_arg_32): Don't warn ABX ABI change here.
10234         (function_arg_64): Likewise.
10235
10236 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10237
10238         * loop-iv.c (implies_p): In the final case, test that operands 0
10239         of the two comparisons match.
10240
10241         * config/bfin/bfin.c (find_prev_insn_start): New function.
10242         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
10243         (find_next_insn_start): Move.
10244
10245 2009-02-13  Richard Guenther  <rguenther@suse.de>
10246
10247         * configure.ac: Enable LFS.
10248         * configure: Re-generate.
10249         * config.in: Likewise.
10250
10251 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
10252
10253         PR c/35444
10254         * c-parser.c (c_parser_parms_list_declarator): Discard pending
10255         sizes on syntax error after some arguments have been parsed.
10256
10257 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10258
10259         * doc/invoke.texi (-fira): Remove.
10260
10261 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10262
10263         * caller-save.c: Replace regclass.c with reginfo.c in comments.
10264         * recog.c: Likewise.
10265         * rtl.h: Likewise.
10266
10267 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
10268
10269         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
10270         (umul_ppmm): Likewise.
10271         (count_leading_zeros): Likewise.
10272         (count_trailing_zeros): Likewise.
10273         (UMUL_TIME): Likewise.
10274
10275 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10276
10277         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
10278         soft-fp/t-softfp to tmake_file.
10279
10280         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
10281         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
10282         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
10283         IA64_BUILTIN_INFQ]: New.
10284         (ia64_init_builtins): Initialize __builtin_infq,
10285         __builtin_fabsq and __builtin_copysignq if not HPUX.
10286         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
10287         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
10288
10289         * config/ia64/lib1funcs.asm (__divtf3): Define only if
10290         SHARED is defined.
10291         (__fixtfti): Likewise.
10292         (__fixunstfti): Likewise.
10293         (__floattitf): Likewise.
10294
10295         * config/ia64/libgcc-glibc.ver: New.
10296         * config/ia64/t-fprules-softfp: Likewise.
10297         * config/ia64/sfp-machine.h: Likewise.
10298
10299         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10300         (LIBGCC2_TF_CEXT): Likewise.
10301         (TF_SIZE): Likewise.
10302         (TARGET_INIT_LIBFUNCS): Likewise.
10303
10304         * config/ia64/t-glibc (SHLINB_MAPFILES):
10305         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10306
10307 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
10308
10309         * config/i386/i386.c (construct_container): Rewrite processing
10310         BLKmode with X86_64_SSE_CLASS.
10311
10312 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
10313
10314         PR target/39152
10315         * config/i386/i386.md: Replace simplify_replace_rtx with
10316         replace_rtx in the new peephole2.
10317
10318 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
10319
10320         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10321         loop unrolling do not happen at -O2.
10322
10323 2009-02-12  Michael Matz  <matz@suse.de>
10324
10325         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10326
10327 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
10328
10329         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10330         for -g3.
10331
10332 2009-02-12  Ben Elliston  <bje@au.ibm.com>
10333
10334         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10335         patterns when updating the back chain.  Missed in the 2009-02-10
10336         change.
10337
10338 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
10339
10340         * doc/extend.texi (Decimal Floating Types): Update identifier of
10341         draft TR and list of missing support.
10342
10343 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
10344
10345         PR middle-end/39154
10346         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10347         bit to variable length decl's flags, add it also to its
10348         pointer replacement variable.
10349
10350 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
10351             Jakub Jelinek  <jakub@redhat.com>
10352
10353         PR target/39118
10354         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10355         (memory_blockage): New expander.
10356         (*memory_blockage): New insn pattern.
10357         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10358         instead of general blockage at the end of function prologue when
10359         frame pointer is used to access red zone area.  Do not emit blockage
10360         when profiling, it is emitted in generic code.
10361         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10362         function epilogue when frame pointer is used to access red zone area.
10363
10364 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
10365
10366         PR target/38824
10367         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10368         by arithmetic with memory operands.
10369         * config/i386/predicates.md (commutative_operator): New.
10370
10371 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
10372
10373         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10374         bulleted lists.
10375
10376 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
10377
10378         * alias.h (record_alias_subset): Declare.
10379         * alias.c (record_alias_subset): Make global.
10380
10381 2009-02-10  Nick Clifton  <nickc@redhat.com>
10382
10383         * tree-parloops.c: Change license to GPLv3.
10384         * ipa-struct-reorg.c: Change license to GPLv3.
10385         * ipa-struct-reorg.h: Change license to GPLv3.
10386
10387 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
10388
10389         PR c/39084
10390         * c-decl.c (start_struct): Return NULL on error.
10391
10392 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
10393
10394         PR middle-end/39124
10395         * cfgloopmanip.c (remove_path): Call remove_bbs after
10396         cancel_loop_tree, not before it.
10397
10398         PR target/39139
10399         * function.h (struct function): Add has_local_explicit_reg_vars bit.
10400         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10401         VAR_DECLs were seen.
10402         * tree-ssa-live.c (remove_unused_locals): Recompute
10403         cfun->has_local_explicit_reg_vars.
10404         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10405         copies or clearings if cfun->has_local_explicit_reg_vars.
10406
10407 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
10408
10409         PR target/39118
10410         * config/i386/i386.c (expand_prologue): Emit blockage at the end
10411         of function prologue when frame pointer is used to access
10412         red zone area.
10413
10414 2009-02-10  Richard Guenther  <rguenther@suse.de>
10415
10416         PR middle-end/39127
10417         * gimplify.c (gimple_regimplify_operands): Always look if
10418         we need to create a temporary.
10419
10420 2009-02-10  Richard Guenther  <rguenther@suse.de>
10421
10422         PR tree-optimization/39132
10423         * tree-loop-distribution.c (todo): New global var.
10424         (generate_memset_zero): Trigger TODO_rebuild_alias.
10425         (tree_loop_distribution): Return todo.
10426
10427 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
10428
10429         PR target/39119
10430         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10431         (x86_64_reg_class_name): Removed.
10432         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
10433         first one isn't X86_64_SSE_CLASS or any other ones aren't
10434         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
10435         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10436         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
10437         and 3 X86_64_SSEUP_CLASS.
10438         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
10439         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10440
10441 2009-02-10  Ben Elliston  <bje@au.ibm.com>
10442
10443         * config/rs6000/rs6000.md (allocate_stack): Always use an update
10444         form instruction to update the stack back chain word, even if the
10445         user has disabled the generation of update instructions.
10446         (movdi_<mode>_update_stack): New.
10447         (movsi_update_stack): Likewise.
10448         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10449         always use an update form instruction to update the stack back
10450         chain word.
10451
10452 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
10453
10454         PR middle-end/38953
10455         * graphite.c (if_region_set_false_region): After moving a region in
10456         the false branch of a condition, remove the empty dummy basic block.
10457         (gloog): Remove wrong fix for PR38953.
10458
10459 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
10460
10461         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10462         generation due to implicit sign extension.
10463
10464 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
10465
10466         PR middle-end/38981
10467         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10468         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10469
10470 2009-02-09  Richard Guenther  <rguenther@suse.de>
10471
10472         PR middle-end/35202
10473         * convert.c (convert_to_real): Disable (float)fn((double)x)
10474         to fnf(x) conversion if errno differences may occur and
10475         -fmath-errno is set.
10476
10477 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
10478
10479         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10480         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10481         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10482
10483 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10484
10485         PR c/35434
10486         * c-common.c (handle_alias_attribute): Disallow attribute for
10487         anything not a FUNCTION_DECL or VAR_DECL.
10488
10489 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
10490
10491         PR c/39035
10492         * real.c (do_compare): Special-case compare of zero against
10493         decimal float value.
10494
10495 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
10496
10497         PR c/36432
10498         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10499         as indicating flexible array members unless the field itself is
10500         being declarared as the incomplete array.
10501
10502 2009-02-06  Jan Hubicka  <jh@suse.cz>
10503
10504         PR tree-optimization/38844
10505         * ipa-inline.c (try_inline): Stop inlining recursion when edge
10506         is already inlined.
10507
10508 2009-02-06  Richard Guenther  <rguenther@suse.de>
10509
10510         PR middle-end/38977
10511         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10512         fork because we may expand it as __gcov_fork.
10513
10514 2009-02-06  Nick Clifton  <nickc@redhat.com>
10515
10516         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10517
10518 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
10519
10520         PR tree-optimization/35659
10521         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10522         vn_phi_eq): Shortcut if hashcode does not match.
10523         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10524         NULL operands.
10525         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10526         and avoid iterative_hash_expr.
10527         (FOR_EACH_VALUE_ID_IN_SET): New.
10528         (value_id_compare): Remove.
10529         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10530         sort expressions by value id.
10531
10532 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
10533
10534         PR target/38991
10535         * config/sh/predicates.md (general_movsrc_operand): Don't check
10536         the subreg of system registers here.
10537
10538 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
10539
10540         PR c++/39106
10541         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10542         on the copied decl.
10543
10544 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
10545
10546         PR rtl-optimization/39110
10547         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10548         addresses, not aligned ones.
10549
10550 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
10551             Richard Guenther  <rguenther@suse.de>
10552
10553         PR tree-optimization/39100
10554         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10555         comment says and add edges.
10556
10557 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
10558
10559         PR c/35435
10560         * c-common.c (handle_tls_model_attribute): Ignore attribute for
10561         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10562
10563 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
10564
10565         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10566         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10567         register_bb_in_sese, new_sese, free_sese): Moved.
10568         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10569         outermost_loop_in_scop, build_scop_iteration_domain,
10570         expand_scalar_variables_ssa_name, get_vdef_before_scop,
10571         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10572         Use loop_in_sese_p instead of loop_in_scop_p.
10573         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10574         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10575         (scopdet_basic_block_info): Fix bug in scop detection.
10576         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10577         eq_loop_to_cloog_loop): Remove.
10578         (nb_loops_around_loop_in_scop, nb_loop
10579         ref_nb_loops): Moved here...
10580         * graphite.h (ref_nb_loops): ... from here.
10581         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10582         (loop_domain_dim, loop_iteration_vector_dim): Remove.
10583         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10584         * testsuite/gcc.dg/graphite/scop-19.c: New
10585
10586 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
10587             Hans-Peter Nilsson  <hp@axis.com>
10588
10589         PR rtl-optimization/37889
10590         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10591         Move offset handling from PLUS to before the switch.  Use new
10592         arguments when considering SYMBOL_REFs too.
10593         (rtx_addr_can_trap_p): Pass dummy offset and size.
10594         (enum may_trap_p_flags): Remove.
10595         (may_trap_p_1): Pass size from MEM_SIZE.
10596
10597         PR rtl-optimization/38921
10598         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10599         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10600         * rtlanal.c (may_trap_after_code_motion_p): Delete.
10601         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10602
10603 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
10604
10605         AVX Programming Reference (January, 2009)
10606         * config/i386/sse.md (*vpclmulqdq): New.
10607
10608 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
10609
10610         PR tree-optimization/38977
10611         PR gcov-profile/38292
10612         * calls.c (special_function_p): Disregard __builtin_ prefix.
10613
10614 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
10615
10616         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10617         non-indexable addresses even before reload.
10618
10619 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10620
10621         PR c/29129
10622         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10623         as having variable size.  Do not give an error for unnamed
10624         parameters with [*] declarators.  Give a warning for type names
10625         with [*] declarators and mark them as variable size.
10626         * c-parser.c (c_parser_sizeof_expression): Do not give an error
10627         for sizeof applied to [*] type names.
10628
10629 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10630
10631         PR C++/36607
10632         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10633
10634 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10635
10636         * gcc.c (process_command): Update copyright notice dates.
10637         * gcov.c (print_version): Likewise.
10638         * gcov-dump.c (print_version): Likewise.
10639         * mips-tfile.c (main): Likewise.
10640         * mips-tdump.c (main): Likewise.
10641
10642 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
10643
10644         PR c/35433
10645         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10646         for composite type involving a zero-length array type.
10647
10648 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
10649
10650         PR target/35318
10651         * function.c (match_asm_constraints_1): Skip over
10652         initial optional % in the constraint.
10653
10654         PR inline-asm/39059
10655         * c-parser.c (c_parser_postfix_expression): If fixed point is not
10656         supported, don't accept FIXED_CSTs.
10657         * c-decl.c (finish_declspecs): Error if fixed point is not supported
10658         and _Sat is used without _Fract/_Accum.  Set specs->type to
10659         integer_type_node for cts_fract/cts_accum if fixed point is not
10660         supported.
10661
10662 2009-02-02  Catherine Moore  <clm@codesourcery.com>
10663
10664         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10665
10666 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
10667
10668         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10669         (ABI_HAS_64BIT_SYMBOLS): Use it.
10670         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10671
10672 2009-02-02  Paul Brook  <paul@codesourcery.com>
10673
10674         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10675
10676 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
10677
10678         PR inline-asm/39058
10679         * recog.h (asm_operand_ok): Add constraints argument.
10680         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
10681         recurse on matching constraint.
10682         (check_asm_operands): Pass constraints as 3rd argument to
10683         asm_operand_ok.  Don't look up matching constraint here.
10684         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10685         to asm_operand_ok.
10686
10687 2009-02-02  Ben Elliston  <bje@au.ibm.com>
10688
10689         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10690         TARGET_NARROW_VOLATILE_BITFIELD macro names.
10691
10692 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10693
10694         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10695         information.  Remove some obsolete information.  Reorganize.
10696
10697         * config/pa/fptr.c: Revert license to GPL 2.
10698         * config/pa/milli64.S: Likewise.
10699
10700 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10701
10702         PR target/38904
10703         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
10704         LIBRARY name in, instead of hard-coding it.
10705         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
10706         extra target make frag to tmake_files according to EH model.
10707         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
10708         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
10709         frags that define makefile variable EH_MODEL appropriately.
10710         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
10711         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
10712         to "-sjlj" according to type of EH configured.
10713         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10714         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
10715         to "_sjlj" according to type of EH configured.
10716         (LIBGCC_SONAME):  Concatenate it to shared library base name.
10717         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
10718         (SHLIB_LINK):  Add missing semicolon to if-else construct.
10719         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10720         string value of "pe_dll" command-line option.
10721         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
10722         (SHLIB_SONAME):  Use it when overriding t-cygming default.
10723         (SHLIB_IMPLIB):  Override t-cygming default.
10724         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
10725         string value of "pe_dll" command-line option.
10726
10727 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
10728
10729         PR target/38952
10730         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10731         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10732
10733 2009-01-31  Richard Guenther  <rguenther@suse.de>
10734
10735         PR tree-optimization/38937
10736         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10737         computing the transitive closure.
10738
10739 2009-01-30  Richard Guenther  <rguenther@suse.de>
10740
10741         PR tree-optimization/39041
10742         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10743         Propagate variable indices only if the types match for this stmt.
10744
10745 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
10746
10747         PR target/39013
10748         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10749         inline but never defined.
10750
10751 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
10752
10753         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10754         (*insv_h_di_reg_extimm): New insn.
10755         (*insv_l<mode>_reg_extimm): New insn.
10756
10757 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10758
10759         * config/picochip/picochip.c (flag_conserve_stack): set
10760         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10761         fconserve-stack. Reduce call-overhead used by inliner.
10762
10763 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
10764
10765         PR/38157
10766         * common.opt (flag_conserve_stack): Initialised to zero.
10767
10768 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
10769
10770         PR/39002
10771         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10772         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10773         method.
10774
10775 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
10776
10777         * ira-color.c (allocno_reload_assign): Update comments.
10778         * regmove.c (regmove_optimize): Likewise.
10779
10780         * ra.h: Removed.
10781
10782 2009-01-29  Robert Millan  <rmh@aybabtu.com>
10783
10784         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10785         * config/i386/kopensolaris-gnu.h: New file.  Undefine
10786         `MD_UNWIND_SUPPORT'.
10787         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10788
10789 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
10790
10791         PR tree-optimization/39007
10792         * tree-loop-distribution.c (generate_builtin): Use
10793         recompute_dominator to compute the immediate dominator of the
10794         basic block just after the loop.
10795
10796 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10797
10798         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10799         (ASM_OUTPUT_DWARF_PCREL): Define.
10800
10801 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
10802
10803         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10804         * doc/passes.texi: Remove entries about regclass, local-alloc, and
10805         global.  Modify entries about regmove and IRA.
10806
10807         * ra-conflict.c: Remove the file.
10808
10809         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10810
10811         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10812         (pass_regclass_init): Rename to pass_reginfo_init.
10813
10814         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10815
10816         * toplev.h (flag_ira): Remove.
10817
10818         * caller-save.c (setup_save_areas): Remove flag_ira.
10819
10820         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10821
10822         * global.c: Remove the file.
10823
10824         * opts.c (decode_options): Remove flag_ira.
10825
10826         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10827
10828         * regmove.c: Modify file description.
10829         (find_use_as_address, try_auto_increment): Define them only if
10830         AUTO_INC_DEC is defined.
10831         (replacement_quality, replace_in_call_usage, fixup_match_1,
10832         stable_and_no_regs_but_for_p): Remove.
10833         (reg_set_in_bb): Make it static.
10834         (regmove_optimize): Remove flag_ira and code which worked for
10835         !flag_ira.
10836
10837         * local-alloc.c: Remove the file.
10838
10839         * common.opt (fira): Remove.
10840
10841         * ira.c: Include except.h.
10842         (eliminable_regset): Move from global.c.
10843         (mark_elimination): Ditto.  Remove flag_ira.
10844         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10845         equiv_mem_modified, validate_equiv_mem_from_store,
10846         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10847         contains_replace_regs, memref_referenced_p, memref_used_between_p,
10848         no_equiv, recorded_label_ref): Move from local-alloc.c.
10849         (update_equiv_regs): Ditto.  Make it static.
10850         (print_insn_chain, print_insn_chains): Move it from global.c.
10851         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
10852         (build_insn_chain): Ditto.  Make it static.
10853         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
10854         Rename to init_live_subregs.
10855         (gate_ira): Remove flag_ira.
10856
10857         * regclass.c: Rename reginfo.c.  Change file description.
10858         (FORBIDDEN_INC_DEC_CLASSES): Remove.
10859         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10860         (init_reg_sets_1): Remove code for evaluation of
10861         reg_class_superclasses and losing_caller_save_reg_set.
10862         (init_regs): Remove init_reg_autoinc.
10863         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10864         ok_for_base_p_nonstrict): Remove.
10865         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
10866         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
10867         corresponding entries.
10868         (dump_regclass, record_operand_costs, scan_one_insn,
10869         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10870         record_address_regs, auto_inc_dec_reg_p): Remove.
10871         (gt-regclass.h): Rename to gt-reginfo.h.
10872
10873         * rtl.h (dump_global_regs, retry_global_alloc,
10874         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10875
10876         * Makefile.in (RA_H): Remove.
10877         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10878         Rename regclass.o to reginfo.o.
10879         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
10880         gt-reginfo.h.
10881         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10882         (GTFILES): Rename regclass.c to reginfo.c.
10883
10884         * passes.c (init_optimization_passes): Remove pass_local_alloc and
10885         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
10886
10887         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10888         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10889         Remove flag_ira.
10890         (finish_spills): Ditto.  Remove code for !flag_ira.
10891
10892 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
10893
10894         PR middle-end/35854
10895         * doc/invoke.texi (rtl debug options): Complete rewrite.
10896         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10897         to auto_inc_dec".
10898         * mode-switching.c (pass_mode_switching): Rename pass from
10899         "mode-sw" to "mode_sw".
10900         * except.c (pass_convert_to_eh_ranges): Rename pass from
10901         "eh-ranges" to "eh_ranges".
10902         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10903         to "subreg1".
10904
10905
10906 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
10907             Alexander Monakov  <amonakov@ispras.ru>
10908
10909         PR middle-end/38857
10910         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10911         register.
10912         (move_exprs_to_boundary): Change return type and pass through
10913         should_move from move_op.  Relax assert.  Update usage ...
10914         (schedule_expr_on_boundary): ... here.  Use should_move instead of
10915         cant_move.
10916         (move_op_orig_expr_found): Indicate that insn was disconnected from
10917         stream.
10918         (code_motion_process_successors): Do not call after_merge_succs
10919         callback if original expression was not found when traversing any of
10920         the branches.
10921         (code_motion_path_driver): Change return type.  Update prototype.
10922         (move_op): Update comment.  Add a new parameter (should_move).  Update
10923         prototype.  Set *should_move based on indication provided by
10924         move_op_orig_expr_found.
10925
10926 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
10927
10928         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10929         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10930         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10931         * config/rs6000/rs6000.c (rs6000_override_options): Default
10932         avoid-indexed-addresses on for Power6, off for everything else.
10933         (avoiding_indexed_address_p): New function.
10934         (rs6000_legitimize_address): Use it.
10935         (rs6000_legitimate_address): Likewise.
10936         * config/rs6000/rs6000.md (movXX_updateX): Likewise
10937
10938 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
10939
10940         PR tree-optimization/38997
10941         * tree-loop-distribution.c (generate_memset_zero): Use
10942         POINTER_PLUS_EXPR for a pointer addition.
10943
10944 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
10945
10946         * config/s390/s390.md (bswap<mode>2): New pattern added.
10947
10948 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10949
10950         * config/s390/s390.md (*tls_load_31): Added type attribute.
10951
10952 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10953
10954         * config/s390/s390.md: Fix a few comments.
10955
10956 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
10957
10958         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10959         (*tm<mode>_full): Fixed z10prop attribute.
10960         (*tst<mode>_extimm): Fixed z10prop attribute.
10961         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10962         (*tstqiCCT_cconly): Fixed z10prop attribute.
10963         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10964         (*movsi_larl): Fixed z10prop attribute.
10965         (*movsi_zarch): Fixed z10prop attribute.
10966         (*movsi_eas): Fixed z10prop attribute.
10967         (*movhi): Fixed z10prop attribute.
10968         (*movqi): Fixed z10prop attribute.
10969         (*movstrictqi): Fixed z10prop attribute.
10970         (*mov<mode>): Fixed z10prop attribute.
10971         (*movcc): Fixed z10prop attribute.
10972         (*sethighpartdi_64): Fixed z10prop attribute.
10973         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10974         (*negdi2_sign_cc): Fixed z10prop attribute.
10975         (*negdi2_sign): Fixed z10prop attribute.
10976         (*absdi2_sign_cc): Fixed z10prop attribute.
10977         (*absdi2_sign): Fixed z10prop attribute.
10978         (*negabsdi2_sign_cc): Fixed z10prop attribute.
10979         (*negabsdi2_sign): Fixed z10prop attribute.
10980         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10981         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10982         (doloop_si64): Fixed z10prop attribute.
10983         (doloop_si31): Fixed z10prop attribute.
10984         (doloop_long): Fixed z10prop attribute.
10985         (indirect_jump): Fixed z10prop attribute.
10986         (nop): Fixed z10prop attribute.
10987         (main_base_64): Fixed z10prop attribute.
10988         (reload_base_64): Fixed z10prop attribute.
10989
10990 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
10991
10992         PR rtl-optimization/38740
10993         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
10994         if !optimize.
10995         * config/mips/mips.c (mips_reorg): Likewise.
10996
10997 2009-01-28  Richard Guenther  <rguenther@suse.de>
10998
10999         PR tree-optimization/38926
11000         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
11001         with the correct value id to a value.
11002         (do_regular_insertion): Use the value number of edoubleprime
11003         for the value number of the expr.
11004
11005         Revert
11006         2008-08-21  Richard Guenther  <rguenther@suse.de>
11007
11008         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
11009         a PHI ask VN if it is already available.
11010         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
11011         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
11012
11013 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
11014
11015         PR middle-end/38934
11016         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
11017         set to varying whenever max has TREE_OVERFLOW set, similarly
11018         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
11019
11020 2009-01-28  Richard Guenther  <rguenther@suse.de>
11021
11022         PR middle-end/38908
11023         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
11024         uninitialized aggregate uses in call arguments.
11025
11026 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
11027
11028         PR tree-optimization/38984
11029         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
11030         the nothing_id variable if -fno-delete-null-pointer-checks.
11031
11032 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
11033
11034         PR target/38988
11035         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
11036         (set_got_offset_rex64): Ditto.
11037
11038 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
11039
11040         PR target/38941
11041         * doc/extend.texi: Improve local variable with asm reg.
11042
11043 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
11044
11045         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
11046         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
11047         was not supplied then set warn_packed_bitfield_compat to the
11048         default value of 1.
11049         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
11050         against 1.
11051
11052 2009-01-27  Richard Guenther  <rguenther@suse.de>
11053
11054         PR tree-optimization/38503
11055         * cfgexpand.c (expand_gimple_basic_block): Ignore
11056         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
11057         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
11058         variables that cannot have TBAA applied.
11059         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
11060         statements.
11061
11062 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
11063
11064         PR middle-end/38969
11065         * calls.c (initialize_argument_information): Do not wrap complex
11066         arguments in SAVE_EXPR.
11067
11068 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
11069
11070         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
11071         (INSTALL_LIBGCC): Revert typo commit.
11072
11073 2009-01-26  Richard Guenther  <rguenther@suse.de>
11074
11075         PR tree-optimization/38745
11076         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
11077         from special handling.
11078
11079 2009-01-26  Richard Guenther  <rguenther@suse.de>
11080
11081         PR tree-optimization/38745
11082         * tree-ssa.c (execute_update_addresses_taken): Do not include
11083         variables that cannot possibly be a register in not_reg_needs.
11084         Do not clear TREE_ADDRESSABLE on vars that may not become
11085         registers.
11086         * tree-ssa.c (update_alias_info_1): Include those in the set
11087         of addressable vars.
11088
11089 2009-01-26  Richard Guenther  <rguenther@suse.de>
11090
11091         PR middle-end/38851
11092         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
11093         * tree-ssa-dse.c: Include langhooks.h
11094         (execute_simple_dse): Remove stores with zero size.
11095
11096 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
11097
11098         PR c/38957
11099         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
11100         as PLUS_EXPR.
11101
11102 2009-01-24  Julian Brown  <julian@codesourcery.com>
11103
11104         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
11105         config/arm/linux-atomic.c.
11106         * config/arm/linux-atomic.c: New.
11107
11108 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
11109
11110         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
11111         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
11112         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
11113
11114 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
11115
11116         PR c/38938
11117         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
11118         properly.
11119
11120 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
11121
11122         PR tree-optimization/38953
11123         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
11124         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
11125         (gloog): Split the exit of the scop when the scop exit is a loop exit.
11126         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
11127         changed the CFG.
11128
11129 2009-01-24  Paul Brook  <paul@codesourcery.com>
11130
11131         * config/arm/neon.md (neon_type): Move to arm.md.
11132         (neon_mov<VSTRUCT>): Add neon_type attribute.
11133         * config/arm/arm.md (neon_type): Move to here.
11134         (conds): Add "unconditioal" and use as default for NEON insns.
11135
11136 2009-01-24  Ben Elliston  <bje@au.ibm.com>
11137
11138         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
11139         void *' warning from -Wc++-compat.
11140         * Makefile.in (dominance.o-warn): Remove.
11141
11142 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
11143
11144         PR tree-optimization/38932
11145         * fold-const.c (fold_unary_ignore_overflow): New.
11146         * tree.h (fold_unary_ignore_overflow): Declare.
11147         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
11148         * tree-ssa-sccvn.c (visit_reference_op_load,
11149         simplify_unary_expression): Likewise.
11150
11151 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
11152
11153         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
11154         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
11155         regardless of their type.
11156         * c-common.c (handle_packed_attribute): Don't ignore packed on
11157         bitfields.
11158         * c.opt (Wpacked-bitfield-compat): New warning option.
11159         * stor-layout.c (place_field): Warn if offset of a field changed.
11160         * doc/extend.texi (packed): Mention the ABI change.
11161         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
11162         (Warning Options): Add it to the list.
11163
11164 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
11165
11166         * c-opts.c (c_common_post_options): Fix a typo in comments.
11167
11168 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
11169
11170         PR middle-end/38615
11171         * gimplify.c (gimplify_init_constructor): Fix promotion of const
11172         variables to static.
11173         * doc/invoke.texi (-fmerge-all-constants): Update description.
11174
11175 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
11176
11177         PR target/38931
11178         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
11179         (*movdi_1_rex64): Use type "mmx" for alternative 5.
11180
11181 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
11182
11183         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
11184         a word boundary.
11185         (LOCAL_ALIGNMENT): Similarly.
11186
11187 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11188             Joseph Myers  <joseph@codesourcery.com>
11189
11190         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
11191         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
11192         * config/arm/arm-tune.md: Regenerate.
11193         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
11194         -march=iwmmxt2.
11195
11196 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
11197
11198         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
11199         version number to five.
11200
11201 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
11202
11203         PR c++/38930
11204         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
11205         * c-common.c (set_underlying_type): Likewise.
11206         (is_typedef_decl ): Likewise
11207         * tree.h: Likewise
11208         (set_underlying_type): Likewise.
11209         (is_typedef_type): Likewise.
11210
11211 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
11212
11213         PR middle-end/38587
11214         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
11215         crossing setjmps.
11216
11217 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
11218
11219         PR bootstrap/37660
11220         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
11221         (LIBGCC_SPEC):  Don't define.
11222         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
11223
11224 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
11225
11226         PR rtl-optimization/38879
11227         * alias.c (base_alias_check): Unaligned access via AND address can
11228         alias all surrounding object types except those with sizes equal
11229         or wider than the size of unaligned access.
11230
11231 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
11232
11233         PR c++/26693
11234         * c-decl.c (clone_underlying_type): Move this ...
11235         * c-common.c (set_underlying_type): ... here.
11236         Also, make sure the function properly sets TYPE_STUB_DECL() on
11237         the newly created typedef variant type.
11238         (is_typedef_decl ): New entry point.
11239         * tree.h: Added a new member member_types_needing_access_check to
11240         struct tree_decl_non_common.
11241         (set_underlying_type): New entry point.
11242         (is_typedef_type): Likewise.
11243
11244 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
11245
11246         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
11247         Check whether two instructions have memory references that
11248         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
11249         are helper functions for traversing.
11250         * alias.h (insn_alias_sets_confilict_p): New prototypes.
11251         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
11252         not to draw dependency edge for instructions with non-conflicting
11253         alias sets.
11254
11255 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
11256
11257         PR other/38758
11258         * longlong.h: Update copyright years.  Use soft-fp license notice.
11259         Sync __clz_tab declaration with glibc.
11260
11261 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
11262
11263         PR target/30687
11264         * doc/extend.texi (syscall_linkage): New.
11265         (version_id): Modify.
11266
11267 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11268             Richard Guenther  <rguenther@suse.de>
11269
11270         PR tree-optimization/38747
11271         PR tree-optimization/38748
11272         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
11273         conversion if the base address is an indirect reference and the
11274         aliasing sets could cause issues.
11275
11276 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11277
11278         * common.opt (fgraphite, fgraphite-identity): Add comment for
11279         explaining why these options are not documented.
11280
11281 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
11282
11283         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
11284         gimple_call_lhs is NULL.
11285
11286 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
11287
11288         PR target/38868
11289         * emit-rtl.c (adjust_address_1): Make sure memref is never
11290         overwritten.
11291
11292 2009-01-20  Ben Elliston  <bje@au.ibm.com>
11293
11294         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11295         const qualifier from arg parameter. Remove unnecessary cast to char *.
11296         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11297         const qualifier from arg 2.
11298
11299 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
11300
11301         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11302
11303 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
11304
11305         PR c/38869
11306         * rtl.h (reinit_regs): New prototype.
11307         * regclass.c: Include ira.h.
11308         (reinit_regs): New.
11309         * Makefile.in (regclass.o): Add ira.h.
11310         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11311
11312 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
11313
11314         PR target/38736
11315         * c-common.c (handle_aligned_attribute): Use
11316         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11317         default alignment value.
11318
11319         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11320
11321         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11322         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11323
11324         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
11325         __BIGGEST_ALIGNMENT__.
11326
11327         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11328
11329 2009-01-18  Richard Guenther  <rguenther@suse.de>
11330
11331         PR tree-optimization/38819
11332         * tree-flow.h (operation_could_trap_helper_p): Declare.
11333         * tree-eh.c (operation_could_trap_helper_p): Export.
11334         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11335         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11336         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11337         are about to insert a possibly trapping instruction and fail
11338         in this case.
11339
11340 2009-01-18  Andreas Schwab  <schwab@suse.de>
11341
11342         * doc/install.texi (Configuration): Remove obsolete paragraph
11343         about use of --with-gnu-ld with --with-gnu-as.
11344
11345 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
11346
11347         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11348         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11349         Follow spelling conventions.
11350
11351 2009-01-18  Ben Elliston  <bje@au.ibm.com>
11352
11353         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11354         C++ warning about implicit conversion from void * to struct
11355         bitmap_head_def *.
11356         (bitmap_obstack_free): Likewise for bitmap_element *.
11357         * Makefile.in (bitmap.o-warn): Remove.
11358
11359 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
11360
11361         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
11362
11363 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
11364             Tobias Grosser  <tobi.grosser@amd.com>
11365
11366         * graphite.c (graphite_trans_scop_block): Do not block single
11367         nested loops.
11368
11369 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
11370
11371         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11372         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11373         test with assertion.
11374
11375 2009-01-16  Richard Guenther  <rguenther@suse.de>
11376
11377         PR tree-optimization/38835
11378         PR middle-end/36227
11379         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11380         and INT + PTR -> (INT)(PTR p+ INT) folding.
11381         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11382
11383 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
11384
11385         PR target/38554
11386         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11387         the subreg from a lowpart subreg if it is also casting the value.
11388
11389 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11390             Tobias Grosser  <tobi.grosser@amd.com>
11391
11392         * graphite.c (compare_prefix_loops): New.
11393         (build_scop_canonical_schedules): Rewritten.
11394         (graphite_transform_loops): Move build_scop_canonical_schedules
11395         after build_scop_iteration_domain.
11396
11397 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
11398             Tobias Grosser  <tobi.grosser@amd.com>
11399
11400         * graphite.c (add_conditions_to_domain): Add the loops to
11401         the dimension of the iteration domain.  Do copy the domain
11402         only when it exists.
11403         (build_scop_conditions_1): Do not call add_conditions_to_domain.
11404         (add_conditions_to_constraints): New.
11405         (can_generate_code_stmt, can_generate_code): Removed.
11406         (gloog): Do not call can_generate_code.
11407         (graphite_transform_loops): Call add_conditions_to_constraints
11408         after building the iteration domain.
11409
11410 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
11411
11412         PR tree-optimization/38789
11413         * tree-ssa-threadedge.c
11414         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11415         __builtin_constant_p.
11416
11417 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
11418
11419         * dce.c (delete_unmarked_insns): Reversed the order that insns are
11420         examined before deleting them.
11421
11422 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
11423
11424         * function.c (aggregate_value_p): Correctly extract the function
11425         type from CALL_EXPR_FN lookup.
11426
11427 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
11428
11429         * config/picochip/picochip.c (picochip_override_options): Revert
11430         CFI asm flag disable commited previously.
11431
11432 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
11433             Tobias Grosser  <tobi.grosser@amd.com>
11434             Jan Sjodin  <jan.sjodin@amd.com>
11435
11436         * graphite.c (scan_tree_for_params): On substractions negate
11437         all the coefficients of the term.
11438         (clast_to_gcc_expression_red): New.  Handle reduction expressions
11439         of more than two operands.
11440         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11441         (get_vdef_before_scop): Handle also the case of default definitions.
11442
11443 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
11444
11445         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11446         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11447         Also use them when walking CALL_INSN_FUNCTION_USAGE.
11448
11449 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
11450             Joey Ye  <joey.ye@intel.com>
11451
11452         PR middle-end/37843
11453         * cfgexpand.c (expand_stack_alignment): Don't update stack
11454         boundary nor check incoming stack boundary here.
11455         (gimple_expand_cfg): Update stack boundary and check incoming
11456         stack boundary here.
11457
11458 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
11459
11460         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11461
11462 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
11463
11464         PR rtl-optimization/38245
11465         * calls.c (expand_call): Add stack arguments to
11466         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11467         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11468         in regs and partially in memory or BLKmode arguments.
11469         (emit_library_call_value_1): Add stack arguments to
11470         CALL_INSN_FUNCTION_USAGE even for pure calls (when
11471         ACCUMULATE_OUTGOING_ARGS).
11472         * dce.c: Include tm_p.h.
11473         (find_call_stack_args): New function.
11474         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
11475         argument.
11476         (mark_insn): Call find_call_stack_args for CALL_Ps.
11477         (prescan_insns_for_dce): Walk insns backwards in bb rather than
11478         forwards.  Allocate and free arg_stores bitmap if needed, pass it
11479         down to deletable_insn_p, don't mark stores set in arg_stores
11480         bitmap, clear the bitmap at the beginning of each bb.
11481         * Makefile.in (dce.o): Depend on $(TM_P_H).
11482
11483 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
11484
11485         PR target/22599
11486         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11487         to make sure the insn is a conditional test (bug 22599).  Reformat a
11488         few long lines.
11489
11490 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
11491
11492         PR middle-end/38431
11493         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11494         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11495         (gloog): Do not call cleanup_tree_cfg.
11496         (graphite_transform_loops): Call cleanup_tree_cfg after all
11497         scops have been code generated.
11498
11499 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
11500         * doc/gty.texi (Invoking the garbage collector): Added new node
11501         and section documenting ggc_collect.
11502
11503 2009-01-14  Richard Guenther  <rguenther@suse.de>
11504
11505         PR tree-optimization/38826
11506         PR middle-end/38477
11507         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11508         initialization notes only if we actually emitted a warning.
11509         (intra_create_variable_infos): Add constraints for a result decl
11510         that is passed by hidden reference.
11511         (build_pred_graph): Mark all related variables non-direct on
11512         address-taking.
11513
11514 2009-01-14  Nick Clifton  <nickc@redhat.com>
11515
11516         * ira-conflicts.c: Include addresses.h for the definition of
11517         base_reg_class.
11518         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11519         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11520
11521 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
11522
11523         PR target/38811
11524         * Makefile.in (ira-lives.o): Add except.h.
11525
11526         * ira-lives.c: Include except.h.
11527         (process_bb_node_lives): Process can_throw_internal.
11528
11529 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
11530
11531         PR rtl-optimization/38774
11532         * combine.c (simplify_set): When undoing cc_use change, don't do
11533         PUT_CODE on the newly created comparison, but instead put back the
11534         old comparison.
11535
11536 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
11537
11538         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11539         values.  Remove duplicate arm8 entry.
11540
11541 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11542
11543         PR tree-optimization/38786
11544         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11545         the SSA_NAME case of expand_scalar_variables_expr.
11546         Set the type of an expression to the type of its assign statement.
11547         (expand_scalar_variables_expr): Also gather the scalar computation
11548         used to index the memory access.  Do not pass loop_p.
11549         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
11550         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11551         the gimple_stmt_iterator where it inserts new code.
11552         Do not pass loop_p.
11553         (copy_bb_and_scalar_dependences): Do not pass loop_p.
11554         (translate_clast): Update call to copy_bb_and_scalar_dependences.
11555
11556 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
11557
11558         * graphite.h (debug_value): Removed.
11559         * graphite.c (debug_value): Removed.
11560
11561 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11562
11563         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11564         ldrd/strd with two 32-bit instructions.
11565
11566 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
11567
11568         * config/arm/arm.c (struct processors): Pass for speed down into
11569         cost helper functions.
11570         (const_ok_for_op): Handle COMPARE and inequality nodes.
11571         (arm_rtx_costs_1): Rewrite.
11572         (arm_size_rtx_costs): Update prototype.
11573         (arm_rtx_costs): Pass speed down to helper functions.
11574         (arm_slowmul_rtx_costs): Rework cost calculations.
11575         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11576         (arm_9e_rtx_costs): Likewise.
11577
11578 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
11579
11580         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11581         relocations of local symbols wider than UNITS_PER_WORD are not valid.
11582         (alpha_legitimize_address): Do not split local symbols wider than
11583         UNITS_PER_WORD into HIGH/LO_SUM parts.
11584
11585 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
11586
11587         PR bootstrap/38580
11588         * gcc.c (process_command): Replace call to execvp with calls
11589         to pex_one and exit.
11590
11591 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
11592
11593         PR target/29141
11594         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11595         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11596         variant for devices with 3-byte PC.
11597         (__tablejump_elpm__): New.
11598
11599 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11600
11601         PR c/32041
11602         * c-parser.c (c_parser_postfix_expression): Allow `->' in
11603         offsetof member-designator, handle it as `[0].'.
11604
11605 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11606
11607         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11608         function when not using named sections on targets with named sections
11609         if branch distance is less than 262132.
11610
11611 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
11612
11613         * combine.c (combine_instructions):  Recompute
11614         optimize_this_for_speed_p  for each BB in the main combine loop.
11615
11616 2009-01-12  Tomas Bily  <tbily@suse.cz>
11617
11618         PR middlend/38385
11619         * tree-loop-distribution.c (prop_phis): New function.
11620         (generate_builtin): Call prop_phis.
11621         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11622
11623 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
11624
11625         PR tree-optimization/38807
11626         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11627         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11628
11629 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
11630
11631         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11632         subreg of op0 to the original op0.
11633
11634 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
11635
11636         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11637
11638 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
11639
11640         PR debug/7055
11641         * mips-tfile.c (parse_def): Fix parsing of def strings
11642         starting with digits.
11643
11644 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
11645
11646         PR target/38695
11647         * config/arm/arm.c (arm_is_long_call_p): Don't call
11648         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11649
11650 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
11651
11652         * regrename.c (regrename_optimize): Fix dumping.
11653         (find_oldest_value_reg): Preserve REG_POINTER.
11654         (copy_hardreg_forward_1): Likewise.
11655
11656 2009-01-09  Diego Novillo  <dnovillo@google.com>
11657
11658         * gimple.h (struct gimple_statement_base) <uid>: Document
11659         the restrictions on its use.
11660         (gimple_uid): Tidy.
11661         (gimple_set_uid): Tidy.
11662
11663 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11664
11665         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11666         zero guard even if align_bytes != 0 and count is smaller than
11667         size_needed.
11668
11669 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
11670
11671         PR rtl-optimization/38495
11672         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11673         (add_range_and_copies_from_move_list): Print all added ranges.
11674         Add ranges to memory optimized destination.
11675
11676 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11677
11678         PR target/38686
11679         PR target/38708
11680         * config/i386/i386.c (override_options): Reject
11681         -mstringop-strategy=rep_8byte with -m32.
11682         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11683         to 1.  Do count comparison against epilogue_size_needed at compile
11684         time even when count_exp was constant forced into register.  For
11685         size_needed don't jump to epilogue, instead just avoid aligning
11686         and invoke the body algorithm.  If need_zero_guard, add zero guard
11687         even if count is non-zero, but smaller than size_needed + number of
11688         bytes that could be stored for alignment.
11689         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11690         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
11691         but smaller than size_needed + number of bytes that could be stored
11692         for alignment.  Compare size_needed with epilogue_size_needed instead
11693         of desired_align - align, don't adjust size_needed, pass
11694         epilogue_size_needed to the epilogue expanders.
11695
11696         PR c/35742
11697         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11698
11699 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11700
11701         * pa.c (last_address): Change to unsigned.
11702         (update_total_code_bytes): Change argument to unsigned.  Don't
11703         check if insn addresses are set.
11704         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11705         addresses are not set.
11706         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11707
11708 2009-01-09  Nick Clifton  <nickc@redhat.com>
11709
11710         * config/sh/symbian.c: Replace uses of DECL_INLINE with
11711         DECL_DECLARED_INLINE_P.
11712
11713 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
11714
11715         PR middle-end/38347
11716         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11717         GET_MODE (op0) in operand_subword_force calls.
11718
11719         PR middle-end/38771
11720         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11721         fold_convert arg0 operands to TREE_TYPE (op0) first.
11722
11723 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
11724
11725         * params.def (ira-max-conflict-table-size): Decrease default value
11726         to 1000.
11727
11728 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
11729
11730         PR tree-optimization/37031
11731         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11732         on parameter_set.
11733         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11734         allocate it using gc instead of heap, use VEC_quick_push instead of
11735         VEC_safe_push.
11736         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11737         instead of heap, use VEC_quick_push instead of VEC_safe_push.
11738         * tree-data-ref.h (struct access_matrix): Change matrix to gc
11739         allocated vector from heap allocated.
11740         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11741         * tree-loop-linear.c (linear_transform_loops): Allocate nest
11742         vector only after perfect_loop_nest_depth call.
11743
11744 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
11745             Jan Sjodin  <jan.sjodin@amd.com>
11746
11747         PR tree-optimization/38559
11748         * graphite.c (debug_value, copy_constraint,
11749         swap_constraint_variables, scale_constraint_variable, ): New.
11750         (get_lower_bound, get_upper_bound): Removed.
11751         (graphite_trans_bb_strip_mine): Clean up this code that works
11752         only for constant number of iterations.  Fully copy upper and
11753         lower bound constraints, not only the constant part of them.
11754         * graphite.h (debug_value): Declared.
11755
11756 2009-01-08  Ira Rosen  <irar@il.ibm.com>
11757
11758         PR tree-optimization/37194
11759         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11760         Don't add the cost of cost model guard in prologue to scalar
11761         outside cost in case of known number of iterations.
11762
11763 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
11764             Alan Modra  <amodra@bigpond.net.au>
11765
11766         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11767         non-word-aligned REG+CONST addressing.
11768
11769 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11770
11771         PR target/38706
11772         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11773         free_after_compilation when outputting a thunk.
11774         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11775         Do not call free_after_compilation here.
11776
11777 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
11778
11779         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11780         (ix86_valid_target_attribute_inner_p): Ditto.
11781
11782 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
11783
11784         PR tree-optimization/38492
11785         PR tree-optimization/38498
11786         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11787         * tree-chrec.h (scev_is_linear_expression): Declared.
11788         * graphite.c (graphite_cannot_represent_loop_niter): New.
11789         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11790         (graphite_loop_normal_form): Use gcc_assert.
11791         (scan_tree_for_params): Use CASE_CONVERT.
11792         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11793         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11794         Use gcc_assert.  Discard scops that contain unhandled cases.
11795         (build_scop_conditions): Return a boolean status for unhandled cases.
11796         (strip_mine_profitable_p): Print the loop number, not its depth.
11797         (is_interchange_valid): Pass the depth of the loop nest, don't
11798         recompute it wrongly.
11799         (graphite_trans_bb_block): Same.
11800         (graphite_trans_bb_block): Print tentative of loop blocking.
11801         (graphite_trans_scop_block): Do not print that the loop has been
11802         blocked.
11803         (graphite_transform_loops): Do not handle scops that contain condition
11804         scalar phi nodes.
11805
11806 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
11807
11808         AVX Programming Reference (December, 2008)
11809         * config/i386/avxintrin.h (_mm256_stream_si256): New.
11810         (_mm256_stream_pd): Likewise.
11811         (_mm256_stream_ps): Likewise.
11812
11813         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11814         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11815         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11816         (bdesc_special_args): Add __builtin_ia32_movntdq256,
11817         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11818         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11819         (ix86_expand_special_args_builtin): Likewise.
11820
11821         * config/i386/sse.md (AVXMODEDI): New.
11822         (avx_movnt<mode>): Likewise.
11823         (avx_movnt<mode>): Likewise.
11824         (<sse>_movnt<mode>): Remove AVX support.
11825         (sse2_movntv2di): Likewise.
11826
11827 2009-01-07  Richard Guenther  <rguenther@suse.de>
11828
11829         PR middle-end/38751
11830         * fold-const.c (extract_muldiv): Remove obsolete comment.
11831         (fold_plusminus_mult_expr): Undo MINUS_EXPR
11832         to PLUS_EXPR canonicalization for the canonicalization.
11833
11834 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
11835
11836         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11837         hosted cross-compilers generating less efficient code.
11838
11839 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11840
11841         * function.h (rtl_data): Add a dbr_scheduled_p field.
11842         * reorg.c (dbr_schedule): Set it.
11843         (gate_handle_delay_slots): Check it.
11844         * config/mips/mips.c (mips_base_delayed_branch): Delete.
11845         (mips_reorg): Check flag_delayed_branch instead of
11846         mips_base_delayed_branch.
11847         (mips_override_options): Don't set mips_base_delayed_branch
11848         or flag_delayed_branch.
11849
11850 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
11851
11852         PR rtl-optimization/38426.
11853         * ira.c (ira): Set current_function_is_leaf earlier.
11854
11855 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
11856
11857         PR rtl-optimization/38722
11858         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11859         too early, only set a flag and modify after last possible
11860         undo_all point.
11861
11862 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
11863
11864         PR c/34252
11865         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11866         * real.c (decimal_single_format): Correct values of emin and emax.
11867         (decimal_double_format): Ditto.
11868         (decimal_quad_format): Ditto.
11869         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11870         computation of DECnn_MIN and DECnn_MAX for corrected values of
11871         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
11872         __DECnn_MIN__, and adjust its computation for the corrected value
11873         of emin.
11874
11875 2009-01-06  Jan Hubicka  <jh@suse.cz>
11876
11877         PR target/38744
11878         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11879
11880 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
11881
11882         * doc/contrib.texi (Contributors): Slightly adjust the end note.
11883         Add Robert Clark to the list of testers.
11884
11885 2009-01-06  Jan Hubicka  <jh@suse.cz>
11886             Kai Tietz  <kai.tietz@onevision.com>
11887
11888         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11889         * config/i386/i386.c (ix86_expand_call): Add clobbers.
11890
11891 2009-01-06  Jan Hubicka  <jh@suse.cz>
11892             Kai Tietz  <kai.tietz@onevision.com>
11893
11894         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11895         for w64 ABI.
11896         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11897         (ix86_nsaved_regs): Count only general purpose regs.
11898         (ix86_nsaved_sseregs): New.
11899         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11900         to 16 for w64; compute padding and size of sse reg save area.
11901         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11902         general purpose regs.
11903         (ix86_emit_save_sse_regs_using_mov): New.
11904         (ix86_expand_prologue): Save SSE regs if needed.
11905         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11906         (ix86_emit_restore_sse_regs_using_mov): New.
11907         (ix86_expand_epilogue): Save SSE regs if needed.
11908
11909 2009-01-06  Jan Hubicka  <jh@suse.cz>
11910             Kai Tietz  <kai.tietz@onevision.com>
11911
11912         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11913         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11914         functions when accumulate outgoing args is off.
11915
11916 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11917
11918         PR bootstrap/38742
11919         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11920         before using pseudos_have_intersected_live_ranges_p.
11921
11922         * ira-int.h (ira_assert): Always define.
11923
11924 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
11925
11926         AVX Programming Reference (December, 2008)
11927         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11928         (_mm256_permute2_pd): Likewise.
11929         (_mm_permute2_ps): Likewise.
11930         (_mm256_permute2_ps): Likewise.
11931         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11932         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11933
11934         * config/i386/i386.c (ix86_builtins): Remove
11935         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11936         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11937         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11938         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11939         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11940         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11941         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11942         __builtin_ia32_vpermil2ps256.
11943         (ix86_init_mmx_sse_builtins): Updated.
11944         (ix86_expand_args_builtin): Likewise.
11945
11946 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11947
11948         * pa.c (output_call): Relocate non-jump insns in the delay slot of
11949         long absolute calls when generating PA 2.0 code.
11950
11951 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
11952
11953         PR rtl-optimization/38583
11954         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11955
11956         * params.def (ira-max-conflict-table-size): New.
11957
11958         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11959
11960         * ira.h (ira_conflicts_p): New external definition.
11961
11962         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11963         table.  Report this.  Return result of building.
11964         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
11965         building conflict table.
11966
11967         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11968         (ira_color): Use ira_conflicts_p.
11969
11970         * global.c: Include ira.h.
11971         (pseudo_for_reload_consideration_p, build_insn_chain): Use
11972         ira_conflicts_p.
11973
11974         * Makefile.in (global.o): Add ira.h.
11975
11976         * ira-build.c (mark_all_loops_for_removal,
11977         propagate_some_info_from_allocno): New.
11978         (remove_unnecessary_allocnos): Call
11979         propagate_some_info_from_allocno.
11980         (remove_low_level_allocnos): New.
11981         (remove_unnecessary_regions): Add parameter.  Call
11982         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
11983         parameter to remove_unnecessary_regions.
11984         (ira_build): Remove all regions but root if the conflict table was
11985         not built.  Update conflict hard regs for allocnos crossing calls.
11986
11987         * ira.c (ira_conflicts_p): New global.
11988         (ira): Define and use ira_conflicts_p.
11989
11990         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
11991         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
11992         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
11993
11994 2009-01-06  Ben Elliston  <bje@au.ibm.com>
11995
11996         * gengtype-lex.l (YY_NO_INPUT): Define.
11997
11998 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11999
12000         PR c/34911
12001         * c-common.c (handle_vector_size_attribute): Also reject
12002         BOOLEAN_TYPE types.
12003
12004 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
12005
12006         PR tree-optimization/38492
12007         * graphite.c (rename_map_elt, debug_rename_elt,
12008         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
12009         rename_map_elt_info, eq_rename_map_elts,
12010         get_new_name_from_old_name, bb_in_sese_p): Moved around.
12011         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
12012         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
12013         (sese_build_livein_liveouts): New.
12014         (new_sese, free_sese): New.
12015         (new_scop): Call new_sese.
12016         (free_scop): Call free_sese.
12017         (rename_variables_from_edge, rename_phis_end_scop): Removed.
12018         (register_old_new_names): Renamed register_old_and_new_names.
12019         (register_scop_liveout_renames, add_loop_exit_phis,
12020         insert_loop_close_phis, struct igp,
12021         default_liveout_before_guard, add_guard_exit_phis,
12022         insert_guard_phis, copy_renames): New.
12023         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
12024         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
12025         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
12026         (scop_adjust_phis_for_liveouts): New.
12027         (gloog): Call scop_adjust_phis_for_liveouts.
12028
12029         * graphite.h (struct sese): Documented.  Added fields liveout,
12030         num_ver and livein.
12031         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
12032         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
12033         (struct scop): Added field liveout_renames.
12034         (SCOP_LIVEOUT_RENAMES): New.
12035
12036 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12037
12038         PR tree-optimization/38510
12039         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
12040         (translate_clast): Call recompute_all_dominators before
12041         graphite_verify.
12042         (gloog): Call recompute_all_dominators before graphite_verify.
12043
12044 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
12045             Jan Sjodin  <jan.sjodin@amd.com>
12046
12047         PR tree-optimization/38500
12048         * graphite.c (create_sese_edges): Call fix_loop_structure after
12049         splitting blocks.
12050
12051 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
12052
12053         * config.gcc: Add m32r*-*-rtems*.
12054         * config/m32r/rtems.h: New file.
12055
12056 2009-01-05  Ben Elliston  <bje@au.ibm.com>
12057
12058         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
12059         (.po.pox): Likewise.
12060         (po/gcc.pot): Likewise.
12061
12062 2009-01-04  David S. Miller  <davem@davemloft.net>
12063
12064         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
12065         (STARTING_FRAME_OFFSET): Always set to zero.
12066
12067 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12068
12069         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
12070         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
12071         fixed-point types, and vectors of the same.
12072
12073 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
12074
12075         * config/mips/sync.md (*mb_barrier): Rename to...
12076         (*memory_barrier): ...this.
12077
12078 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
12079
12080         * doc/extend.texi (Function Attributes): Move @cindex after @item
12081         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
12082         and put in alphabetical order. Fix 'target' name and put in order.
12083         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
12084         typos.
12085
12086 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
12087
12088         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
12089         (memory_barrier): Expand as unspec instead of unspec_volatile.
12090         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12091         (*memory_barrier): Define as unspec instead of unspec_volatile.
12092         Use (match_dup 0) as input operand.
12093
12094         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
12095         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
12096         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
12097         scratch register.  Remove operand 1.
12098         (*stbar): Define as unspec instead of unspec_volatile.
12099         Use (match_dup 0) as input operand, remove (const_int 8).
12100         (*membar): Define as unspec instead of unspec_volatile.
12101         Use (match_dup 0) as input operand, remove input operand 2.
12102
12103         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
12104         (memory_barrier): Expand as unspec instead of unspec_volatile.
12105         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12106         (*memory_barrier): Define as unspec instead of unspec_volatile.
12107         Use (match_dup 0) as input operand.
12108
12109         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
12110         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12111         Set volatile flag on operand 0.
12112         (*memory_barrier): New insn pattern.
12113
12114         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
12115         insn operands.
12116         (*memory_barrier): Use (match_dup 0) as input operand.
12117
12118         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
12119         Remove mem:BLK from insn operands.  Use Pmode scratch register.
12120         Set volatile flag on operand 0.
12121         (*mb_internal): New insn pattern.
12122
12123         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
12124
12125 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12126
12127         PR middle-end/38586
12128         * function.c (struct temp_slot): Move to the section of the file
12129         that deals with temp slots.  Remove field 'address'.
12130         (temp_slot_address_table): New hash table of address -> temp slot.
12131         (struct temp_slot_address_entry): New struct, items for the table.
12132         (temp_slot_address_compute_hash, temp_slot_address_hash,
12133         temp_slot_address_eq, insert_temp_slot_address): Support functions
12134         for the new table.
12135         (find_temp_slot_from_address): Rewrite to use the new hash table.
12136         (remove_unused_temp_slot_addresses): Remove addresses of temp
12137         slots that have been made available.
12138         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
12139         worker function for remove_unused_temp_slot_addresses.
12140         (assign_stack_temp_for_type): Don't clear the temp slot address list.
12141         Add the temp slot address to the address -> temp slot map.
12142         (update_temp_slot_address): Update via insert_temp_slot_address.
12143         (free_temp_slots): Call remove_unused_temp_slot_addresses.
12144         (pop_temp_slots): Likewise.
12145         (init_temp_slots): Allocate the address -> temp slot map, or empty
12146         the map if it is already allocated.
12147         (prepare_function_start): Initialize temp slot processing.
12148
12149 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
12150
12151         PR middle-end/38584
12152         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
12153         Calculate the size of all stack vars assuming no packing of stack
12154         vars will happen, replacing a quadratic algorithm with a linear one.
12155
12156 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12157
12158         PR target/38707
12159         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
12160         can't be used.
12161
12162 2009-01-03  Diego Novillo  <dnovillo@google.com>
12163
12164         * doc/contrib.texi: Update contributions.
12165
12166 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
12167
12168         PR c++/38705
12169         * builtins.c (fold_builtin_memory_op): Give up if either operand
12170         is volatile.  Set srctype or desttype to non-qualified version
12171         of the other type.
12172
12173         PR c/38700
12174         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
12175         and FUNCTION_DECLs.
12176
12177 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
12178
12179         PR rtl-optimization/35805
12180         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
12181         problem if fast dce is able to remove any instructions.
12182         * dce.c (dce_process_block): Fix dump message.
12183
12184 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
12185
12186         PR 33649
12187         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
12188
12189 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
12190
12191         PR middle-end/38690
12192         * tree-flow.h (op_code_prio, op_prio): New prototypes.
12193         * tree-pretty-print.c (op_code_prio): New function.
12194         (op_prio): No longer static.  Use op_code_prio.
12195         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
12196         Use op_prio and op_code_prio to determine if () should be
12197         printed around operand(s) or not.
12198
12199         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
12200         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
12201         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
12202         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
12203         pp_character instead of pp_string for single letter printing.
12204
12205 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
12206
12207         * doc/extend.texi: Fix '#pragma GCC option' typo.
12208
12209 2009-01-02  Richard Guenther  <rguenther@suse.de>
12210
12211         * doc/install.texi (--enable-checking): Mention different
12212         default for stage1.
12213         (--enable-stage1-checking): Document.
12214
12215 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
12216
12217         PR middle-end/30142
12218         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
12219         case to be an error.
12220
12221 2009-01-02  Ben Elliston  <bje@au.ibm.com>
12222
12223         * config/fp-bit.h (pack_d): Constify argument.
12224         * config/fp-bit.c (makenan): Constify return type. Remove casts.
12225         (isnan): Constify argument.
12226         (isinf): Likewise.
12227         (iszero): Likewise.
12228         (pack_d): Likewise.
12229         (_fpadd_parts): Constify return type.
12230         (_fpmul_parts): Likewise.
12231         (_fpdiv_parts): Likewise.
12232
12233 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
12234
12235         PR c/36489
12236         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
12237         warn about overwriting initializer with side-effects or
12238         -Woverride-init if !IMPLICIT.
12239         (output_init_element): Likewise.  Pass IMPLICIT down to
12240         add_pending_init.
12241         (process_init_element): Add IMPLICIT argument.  Pass it down
12242         to output_init_element.
12243         (push_init_element, pop_init_level, set_designator): Adjust
12244         process_init_element callers.
12245         (set_nonincremental_init, set_nonincremental_init_from_string):
12246         Adjust add_pending_init callers.
12247         (output_pending_init_elements): Adjust output_init_element callers.
12248         * c-tree.h (process_init_element): Adjust prototype.
12249         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
12250         process_init_element callers.
12251
12252 \f
12253 Copyright (C) 2009 Free Software Foundation, Inc.
12254
12255 Copying and distribution of this file, with or without modification,
12256 are permitted in any medium without royalty provided the copyright
12257 notice and this notice are preserved.