config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and tune_64.
[gcc.git] / gcc / ChangeLog
1 2009-05-16 Joseph Myers <joseph@codesourcery.com>
2
3 * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
4 tune_64.
5 * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
6 Move definitions earlier.
7 (OPT_ARCH64, OPT_ARCH32): Define.
8 (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
9 and tune_64.
10
11 2009-05-16 Richard Earnshaw <rearnsha@arm.com>
12
13 PR target/40153
14 * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
15 implies.
16
17 2009-05-16 Richard Earnshaw <rearnsha@arm.com>
18
19 * arm.md (movdi2): Copy non-reg values to DImode registers.
20
21 2009-05-16 Jakub Jelinek <jakub@redhat.com>
22
23 PR target/39942
24 * final.c (label_to_max_skip): New function.
25 (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
26 CODE_LABEL_NUMBER <= max_labelno.
27 * output.h (label_to_max_skip): New prototype.
28 * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
29 (ix86_avoid_jump_mispredicts): ... this. Don't define if
30 ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined. Update comment.
31 Handle CODE_LABELs with >= 16 byte alignment or with
32 max_skip == (1 << align) - 1.
33 (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
34 ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
35
36 PR target/39942
37 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
38 .p2align 3 if MAX_SKIP is smaller than 7.
39 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
40
41 2009-05-15 Ian Lance Taylor <iant@google.com>
42
43 * alias.c (struct alias_set_entry_d): Rename from struct
44 alias_set_entry. Change all uses.
45 * except.c (struct call_site_record_d): Rename from struct
46 call_site_record. Change all uses.
47 * except.h (struct eh_region_d): Rename from struct eh_region.
48 Change all uses.
49 * gcse.c (struct hash_table_d): Rename from struct hash_table.
50 Change all uses.
51 * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
52 ivtype_map_elt. Change all uses.
53 (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
54 Change all uses.
55 (struct ifsese_d): Rename fromstruct ifsese. Change all uses.
56 * graphite.h (struct name_tree_d): Rename from struct name_tree.
57 Change all uses.
58 (struct sese_d): Rename from struct sese. Change all uses.
59 * omega.h (struct eqn_d): Rename from struct eqn. Change all
60 uses.
61 (struct omega_pb_d): Rename from struct omega_pb. Change all
62 uses.
63 * optabs.h (struct optab_d): Rename from struct optab. Change all
64 uses.
65 (struct convert_optab_d): Rename from struct convert_optab.
66 Change all uses.
67 * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
68 ipa_opt_pass. Change all uses.
69 * tree-predcom.c (struct dref_d): Rename from struct dref. Change
70 all uses.
71
72 * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
73 defined as a typedef.
74 (grokdeclarator): If -Wc++-compat, warn if a typedef is already
75 defined as a tag.
76
77 2009-05-15 Manuel López-Ibáñez <manu@gcc.gnu.org>
78
79 PR 16302
80 * fold-const.c (make_range,build_range_check,merge_ranges): Move
81 declaration to...
82 (merge_ranges): Returns bool.
83 * tree.h (make_range): .. to here.
84 (build_range_check): Likewise.
85 (merge_ranges): Likewise. Renamed from merge_ranges.
86 * c-typeck.c (parser_build_binary_op): Update calls to
87 warn_logical_operator.
88 * c-common.c (warn_logical_operator): Add new warning.
89 * c-common.h (warn_logical_operator): Update declaration.
90
91 2009-05-15 Manuel López-Ibáñez <manu@gcc.gnu.org>
92
93 * ira-conflicts.c (add_insn_allocno_copies): Fix wrong
94 conditional.
95
96 2009-05-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
97
98 * doc/install.texi: Document MPC requirements, flags etc.
99
100 * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
101 (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
102 Evaluate constant arguments.
103 (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
104 (fold_builtin_1): Likewise, also evaluate constant arguments.
105 Remove superfluous break.
106 (do_mpc_ckconv): New.
107 * real.h: Include mpc.h.
108 * toplev.c (print_version): Output MPC version info if available.
109
110 2009-05-15 Sandra Loosemore <sandra@codesourcery.com>
111
112 * fold-const.c (fold_convert_const_real_from_real): Check for
113 overflow.
114
115 2009-05-15 H.J. Lu <hongjiu.lu@intel.com>
116
117 * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
118 only once.
119
120 2009-05-15 Jan Hubicka <jh@suse.cz>
121
122 * doc/invoke.texi (max-early-inliner-iterations): New flag.
123 * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
124 (try_inline): Fix return value.
125 (cgraph_decide_inlining_incrementally): Honor new value.
126 (cgraph_early_inlining): Handle indirect inlining.
127 * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
128
129 2009-05-15 Jan Hubicka <jh@suse.cz>
130
131 * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
132 * cgraphunit.c (cgraph_finalize_function): Set it.
133 (cgraph_expand_function): Use it.
134
135 2009-05-15 Sandra Loosemore <sandra@codesourcery.com>
136
137 * real.c (encode_ieee_half): Define.
138 (decode_ieee_half): Define.
139 (ieee_half_format): Define.
140 (arm_half_format): Define.
141 * real.h (ieee_half_format): Declare.
142 (arm_half_format): Declare.
143
144 2009-05-15 Sandra Loosemore <sandra@codesourcery.com>
145
146 * optabs.c (prepare_float_lib_cmp): Test that the comparison,
147 swapped, and reversed optabs exist before trying to use them.
148
149 2009-05-15 Paul Brook <paul@codesourcery.com>
150 Sandra Loosemore <sandra@codesourcery.com>
151
152 * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
153 loads. Allow PRE_DEC.
154 (output_move_neon): Handle PRE_DEC.
155 (arm_print_operand): Add 'A' for neon structure loads.
156 * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
157 * config/arm/neon.md (neon_mov): Update comment.
158 * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
159 calls.
160 (Um): New constraint.
161
162 2009-05-15 Jan Hubicka <jh@suse.cz>
163
164 Revert the following patch until testsuite fallout is fixed:
165 * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
166 * cgraph.h (struct inline_summary): New filed self_wize,
167 size_inlining_benefit, self_time and time_inlining_benefit.
168 (struct cgraph_global_info): Replace insns by time ans size fields.
169 * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
170 (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
171 (ipcp_update_callgraph): Do not touch function bodies.
172 * ipa-inline.c: Include except.h
173 MAX_TIME: New constant.
174 (overall_insns): Remove
175 (overall_size, max_benefit): New static variables.
176 (cgraph_estimate_time_after_inlining): New function.
177 (cgraph_estimate_size_after_inlining): Rewrite using benefits.
178 (cgraph_clone_inlined_nodes): Update size.
179 (cgraph_mark_inline_edge): Update size.
180 (cgraph_estimate_growth): Use size info.
181 (cgraph_check_inline_limits): Check size.
182 (cgraph_default_inline_p): Likewise.
183 (cgraph_edge_badness): Compute badness based on benefit and size cost.
184 (cgraph_decide_recursive_inlining): Check size.
185 (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
186 (cgraph_decide_inlining): Likewise.
187 (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
188 (likely_eliminated_by_inlining_p): New predicate.
189 (estimate_function_body_sizes): New function.
190 (compute_inline_parameters): Use it.
191 * except.c (must_not_throw_labels): New function.
192 * except.h (must_not_throw_labels): Declare.
193 * tree-inline.c (init_inline_once): Kill inlining_weigths
194 * tree-ssa-structalias.c: Avoid uninitialized warning.
195 * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
196 (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
197 (PARAM_INLINE_CALL_COST): Remove.
198 (PARAM_EARLY_INLINING_INSNS): New.
199
200 2009-05-15 Richard Guenther <rguenther@suse.de>
201
202 * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
203 not TODO_update_ssa.
204
205 2009-05-15 Richard Guenther <rguenther@suse.de>
206
207 PR tree-optimization/39999
208 * gimple.h (gimple_expr_type): Use the expression type looking
209 through useless conversions.
210 * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
211 (vn_nary_op_insert_stmt): Likewise.
212 (simplify_binary_expression): Likewise.
213
214 2009-05-15 Richard Guenther <rguenther@suse.de>
215
216 * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
217 New options, enabled by default.
218 * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
219 Document.
220 * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
221 * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
222 * tree-ssa-structalias.c (gate_tree_pta): New function.
223 (pass_build_alias): Use it.
224
225 2009-05-15 Joseph Myers <joseph@codesourcery.com>
226
227 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
228 recurse on an invariant address if a conversion from a pointer
229 type to a wider integer type is involved.
230
231 2009-05-15 Jan Hubicka <jh@suse.cz>
232
233 * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
234 * cgraph.h (struct inline_summary): New filed self_wize,
235 size_inlining_benefit, self_time and time_inlining_benefit.
236 (struct cgraph_global_info): Replace insns by time ans size fields.
237 * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
238 (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
239 (ipcp_update_callgraph): Do not touch function bodies.
240 * ipa-inline.c: Include except.h
241 MAX_TIME: New constant.
242 (overall_insns): Remove
243 (overall_size, max_benefit): New static variables.
244 (cgraph_estimate_time_after_inlining): New function.
245 (cgraph_estimate_size_after_inlining): Rewrite using benefits.
246 (cgraph_clone_inlined_nodes): Update size.
247 (cgraph_mark_inline_edge): Update size.
248 (cgraph_estimate_growth): Use size info.
249 (cgraph_check_inline_limits): Check size.
250 (cgraph_default_inline_p): Likewise.
251 (cgraph_edge_badness): Compute badness based on benefit and size cost.
252 (cgraph_decide_recursive_inlining): Check size.
253 (cgraph_decide_inlining_of_small_function): Update size; dump sizes and times.
254 (cgraph_decide_inlining): Likewise.
255 (cgraph_decide_inlining_incrementally): Likewise; honor PARAM_EARLY_INLINING_INSNS.
256 (likely_eliminated_by_inlining_p): New predicate.
257 (estimate_function_body_sizes): New function.
258 (compute_inline_parameters): Use it.
259 * except.c (must_not_throw_labels): New function.
260 * except.h (must_not_throw_labels): Declare.
261 * tree-inline.c (init_inline_once): Kill inlining_weigths
262 * tree-ssa-structalias.c: Avoid uninitialized warning.
263 * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
264 (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
265 (PARAM_INLINE_CALL_COST): Remove.
266 (PARAM_EARLY_INLINING_INSNS): New.
267 doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
268 (inline-call-cost): Remove.
269 (early-inlining-insns): New.
270
271 2009-05-15 Eric Botcazou <ebotcazou@adacore.com>
272
273 * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters. Use them
274 for bounds.
275 (print_int_cst_bounds_in_octal_p): Likewise.
276 (dbxout_type): Adjust calls to above functions. Be prepared to deal
277 with subtypes.
278 * dwarf2out.c (base_type_die): Likewise.
279 (is_subrange_type): Delete.
280 (subrange_type_die): Add LOW and HIGH parameters. Use them for bounds.
281 (modified_type_die): Call subrange_type_for_debug_p on subtypes.
282 * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
283 the destination type is boolean.
284 (build_range_check): Do not special-case subtypes.
285 (fold_sign_changed_comparison): Likewise.
286 (fold_unary): Likewise.
287 * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
288 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
289 * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
290 * tree.c (subrange_type_for_debug_p): New predicate based on the former
291 is_subrange_type.
292 * tree.h (subrange_type_for_debug_p): Declare.
293 * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
294 (convert_affine_scev): Remove call to above function.
295 (chrec_convert_aggressive): Likewise.
296 * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
297 false for conversions involving subtypes.
298 * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
299 (vrp_val_min): Likewise.
300 (needs_overflow_infinity): Likewise.
301 (extract_range_from_unary_expr): Likewise.
302
303 2009-05-15 Paolo Bonzini <bonzini@gnu.org>
304
305 * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
306 * config/frv/frv.c: Likewise.
307 * config/s390/s390.c: Likewise.
308 * config/sparc/sparc.h: Likewise.
309 * config/i386/i386.h: Likewise.
310 * config/i386/i386.c: Likewise.
311 * config/crx/crx.c: Likewise.
312 * config/m68hc11/m68hc11.h: Likewise.
313 * config/iq2000/iq2000.c: Likewise.
314 * config/mn10300/mn10300.h: Likewise.
315 * config/mn10300/mn10300.c: Likewise.
316 * config/m68k/m68k.c: Likewise.
317 * config/rs6000/rs6000.c: Likewise.
318 * config/rs6000/xcoff.h: Likewise.
319 * config/rs6000/linux64.h: Likewise.
320 * config/rs6000/sysv4.h: Likewise.
321 * config/score/score3.c: Likewise.
322 * config/score/score7.c: Likewise.
323 * config/score/score.c: Likewise.
324 * config/arm/arm.md: Likewise.
325 * config/mips/mips.c: Likewise.
326 * config/mips/mips.md: Likewise.
327 * config/bfin/bfin.h: Likewise.
328 * config/pa/pa.c: Likewise.
329 * config/pa/constraints.md: Likewise.
330
331 * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
332 * config/pdp11/pdp11.c (legitimate_address_p): Delete.
333 * config/pdp11/pdp11.h: Use memory_address_p instead.
334
335 2009-05-14 Ian Lance Taylor <iant@google.com>
336
337 * passes.c (finish_optimization_passes): Change i to int.
338 * plugin.c (plugins_active_p): Change event to int.
339 (dump_active_plugins): Likewise.
340 * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
341 Add cast.
342 * tree.c (tree_range_check_failed): Change c to unsigned int.
343 (omp_clause_range_check_failed): Likewise.
344 (build_common_builtin_nodes): Change mode to int. Add cast.
345 * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
346 (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
347
348 * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
349 ++ or -- with a variable of enum type.
350
351 2009-05-14 Steven Bosscher <steven@gcc.gnu.org>
352
353 PR driver/40144
354 * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
355
356 2009-05-14 Steven Bosscher <steven@gcc.gnu.org>
357
358 * store-motion.c: Do not include params.h
359 * Makefile.in: Fix dependencies for various files.
360
361 2009-05-14 Steven Bosscher <steven@gcc.gnu.org>
362
363 * auto-inc-dec.c: Fix pass description, remove apparent
364 accidental duplication.
365
366 2009-05-14 H.J. Lu <hongjiu.lu@intel.com>
367
368 PR middle-end/40147
369 * ipa-utils.h (memory_identifier_string): Moved to ...
370 * tree.h (memory_identifier_string): Here. Add GTY(()).
371
372 2009-05-14 Paolo Bonzini <bonzini@gnu.org>
373
374 * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
375 in the former documentation of...
376 (GO_IF_LEGITIMATE_ADDRESS): ... this.
377 * ira-conflicts.c (get_dup_num): Use address_operand.
378 * targhooks.c (default_legitimate_address_p): New.
379 * targhooks.h (default_legitimate_address_p): New.
380 * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
381 Call hook.
382 * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
383 * target.h (struct target): Add legitimate_address_p.
384 * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
385 (TARGET_INITIALIZER): Include it.
386
387 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
388 * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
389 * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
390 (TARGET_LEGITIMATE_ADDRESS_P): New.
391
392 * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
393 (REG_OK_STRICT_P): Delete.
394 * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
395 (frv_legitimate_address_p_1): ... this.
396 * config/frv/frv.c (frv_legitimate_address_p): Forward to...
397 (frv_legitimate_address_p_1): ... the renamed old
398 frv_legitimate_address_p.
399 * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
400 (TARGET_LEGITIMATE_ADDRESS_P): New.
401
402 * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
403 * config/s390/s390-protos.h (legitimate_address_p): Remove.
404 * config/s390/s390.c (legitimate_address_p): Rename to...
405 (s390_legitimate_address_p): ... this, make static.
406 (legitimize_address): Adjust call.
407 (TARGET_LEGITIMATE_ADDRESS_P): New.
408 * config/s390/constraints.md ("e"): Call strict_memory_address_p.
409
410 * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
411 * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
412 * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
413 (TARGET_LEGITIMATE_ADDRESS_P): New.
414
415 * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
416 * config/spu/spu-protos.h (spu_legitimate_address): Remove.
417 * config/spu/spu.c (spu_legitimate_address): Rename to...
418 (spu_legitimate_address_p): ... this, make static.
419 (TARGET_LEGITIMATE_ADDRESS_P): New.
420
421 * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
422 * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
423 * config/sparc/sparc.c (legitimate_address_p): Rename to...
424 (sparc_legitimate_address_p): ... this, make static and return bool.
425 (legitimize_address): Adjust call.
426 (TARGET_LEGITIMATE_ADDRESS_P): New.
427
428 * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
429 * config/i386/i386-protos.h (legitimate_address_p): Remove.
430 * config/i386/i386.c (legitimate_address_p): Rename to...
431 (ix86_legitimate_address_p): ... this, make static.
432 (constant_address_p): Move after it, adjust call.
433 (TARGET_LEGITIMATE_ADDRESS_P): New.
434
435 * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
436 * config/avr/avr-protos.h (legitimate_address_p): Remove.
437 * config/avr/avr.c (legitimate_address_p): Rename to...
438 (avr_legitimate_address_p): ... this, make static.
439 (legitimize_address): Adjust call.
440 (TARGET_LEGITIMATE_ADDRESS_P): New.
441
442 * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
443 * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
444 * config/crx/crx.c (crx_legitimate_address_p): Make static.
445 (TARGET_LEGITIMATE_ADDRESS_P): New.
446
447 * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
448 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
449 * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
450 (TARGET_LEGITIMATE_ADDRESS_P): New.
451
452 * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
453 * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
454 Remove.
455 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
456 Make static.
457 (TARGET_LEGITIMATE_ADDRESS_P): New.
458
459 * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
460 * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
461 Remove.
462 * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
463 Rename to...
464 (m68hc11_legitimate_address_p): ... this, make static.
465 (go_if_legitimate_address_internal): Rename to...
466 (m68hc11_legitimate_address_p_1): ... this.
467 (legitimize_address): Adjust call.
468 (TARGET_LEGITIMATE_ADDRESS_P): New.
469
470 * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
471 * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p):
472 Remove.
473 * config/iq2000/iq2000.c (iq2000_legitimate_address_p):
474 Make static.
475 (TARGET_LEGITIMATE_ADDRESS_P): New.
476
477 * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
478 * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
479 * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
480 (mn10300_legitimate_address_p): ... this, make static.
481 (TARGET_LEGITIMATE_ADDRESS_P): New.
482
483 * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
484 * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
485 * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
486 (TARGET_LEGITIMATE_ADDRESS_P): New.
487
488 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
489 (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
490 (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
491 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
492 * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
493 * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
494 (rs6000_legitimate_address_p): ... this, make static.
495 (TARGET_LEGITIMATE_ADDRESS_P): New.
496 (REG_MODE_OK_FOR_BASE_P): Delete.
497 (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
498
499 * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
500 * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
501 Delete.
502 * config/picochip/picochip.c (picochip_legitimate_address_p): Make
503 static, adjust types.
504 (TARGET_LEGITIMATE_ADDRESS_P): New.
505
506 * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
507 * config/score/score.c (score_address_p): Rename to...
508 (score_legitimate_address_p): ... this.
509 (TARGET_LEGITIMATE_ADDRESS_P): New.
510 * config/score/score3.c (score3_address_p): Rename to...
511 (score3_legitimate_address_p): ... this.
512 * config/score/score7.c (score7_address_p): Rename to...
513 (score7_legitimate_address_p): ... this.
514
515 * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
516 THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
517 GO_IF_LEGITIMATE_ADDRESS): Delete.
518 * config/arm/arm-protos.h (thumb1_legitimate_address_p,
519 thumb2_legitimate_address_p): Delete.
520 (arm_legitimate_address_p): Rename to...
521 (arm_legitimate_address_outer_p): ... this.
522 * config/arm/constraints.md ("Uq"): Adjust call.
523 * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
524 * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
525 (arm_legitimate_address_outer_p): ... this.
526 (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
527 (TARGET_LEGITIMATE_ADDRESS_P): New.
528
529 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
530 * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
531 * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
532 (TARGET_LEGITIMATE_ADDRESS_P): New.
533
534 * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
535 * config/vax/vax-protos.h (legitimate_address_p): Remove.
536 * config/vax/vax.c (legitimate_address_p): Rename to...
537 (vax_legitimate_address_p): ... this, make static.
538 (TARGET_LEGITIMATE_ADDRESS_P): New.
539
540 * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
541 * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
542 * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
543 (TARGET_LEGITIMATE_ADDRESS_P): New.
544
545 * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
546 * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
547 * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
548 (mmix_legitimate_address_p): ... this, make static.
549 (TARGET_LEGITIMATE_ADDRESS_P): New.
550
551 * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
552 * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
553 * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
554 (TARGET_LEGITIMATE_ADDRESS_P): New.
555
556 2009-05-14 Paolo Bonzini <bonzini@gnu.org>
557
558 * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
559 of MODE_COMPLEX_INT.
560
561 2009-05-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
562
563 * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
564 LCT_NORMAL in function call.
565 * mips-tdump.c (print_file_desc): Add cast to enum type.
566 * mips-tfile.c (add_ext_symbol): Add casts to enum types.
567 (mark_stabs): Add casts to enum types.
568 (parse_stabs_common): Add casts to enum types.
569
570 2009-05-13 Adam Nemet <anemet@caviumnetworks.com>
571
572 * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
573 Check for invalid values of LETTER.
574
575 2009-05-13 Taras Glek <tglek@mozilla.com>
576
577 * attribs.c (register_attribute): moved out attribute registration into
578 register_attribute.
579 * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
580 * gcc-plugin.h: Added forward decl for register_attribute.
581 * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
582 * plugin.c (register_callback, invoke_plugin_callbacks): Added
583 PLUGIN_ATTRIBUTES boilerplate.
584
585 2009-05-14 Dave Korn <dave.korn.cygwin@gmail.com>
586
587 * config/i386/msformat-c.c (ms_printf_length_specs): Use enumeration
588 values even in sentinel and empty entries.
589 (ms_printf_flag_specs): Likewise.
590 (ms_scanf_flag_specs): Likewise.
591 (ms_strftime_flag_specs): Likewise.
592 (ms_print_char_table): Likewise.
593 (ms_scan_char_table): Likewise.
594 (ms_time_char_table): Likewise.
595
596 2009-05-13 Doug Kwan <dougkwan@google.com>
597
598 * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
599
600 2009-05-13 Adam Nemet <anemet@caviumnetworks.com>
601
602 * config/mips/mips.md (store): Add attributes for QI and HI.
603 Update comment.
604 (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
605 (truncdi<mode>2): ... this new pattern.
606
607 2009-05-13 Brad Hards <bradh@kde.org>
608
609 * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
610
611 2009-05-14 Jakub Jelinek <jakub@redhat.com>
612 Ben Elliston <bje@au.ibm.com>
613
614 PR middle-end/40035
615 * dse.c (check_mem_read_rtx): Guard against width == -1.
616
617 2009-05-13 Michael Matz <matz@suse.de>
618
619 PR middle-end/39976
620 * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
621 (trivially_conflicts_p): New function.
622 (insert_backedge_copies): Use it.
623
624 2009-05-13 Janis Johnson <janis187@us.ibm.com>
625
626 * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
627 (handle_stdc_pragma): Use new enum constant names.
628 (handle_pragma_float_const_decimal64): Ditto.
629
630 2009-05-13 Ian Lance Taylor <iant@google.com>
631
632 * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
633 tree.def.
634
635 2009-05-13 Nathan Sidwell <nathan@codesourcery.com>
636
637 * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
638 * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
639 multilibs.
640 * config/m68k/m68k.h (FL_UCLINUX): Define.
641
642 2009-05-13 Jan Hubicka <jh@suse.cz>
643
644 * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
645
646 2009-05-12 Kaz Kojima <kkojima@gcc.gnu.org>
647
648 * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
649 unless -fschedule-insns is specified.
650
651 2009-05-12 Kaz Kojima <kkojima@gcc.gnu.org>
652
653 PR target/39561
654 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
655 TARGET_EXPAND_CBRANCHDI4.
656 * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
657 * config/sh/sh.opt (mexpand-cbranchdi): Remove.
658 (cmpeqdi): Fix comment.
659
660 2009-05-12 Kaz Kojima <kkojima@gcc.gnu.org>
661
662 * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
663 (sh_legitimate_address_p): Likewise.
664 * config/sh/sh.c (sh_legitimate_index_p): New.
665 (sh_legitimate_address_p): Likewise.
666 * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
667 (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
668 (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
669 (MAYBE_BASE_REGISTER_RTX_P): New macro.
670 (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
671 (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
672 (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
673 (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
674 (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
675
676 2009-05-12 Jan Hubicka <jh@suse.cz>
677
678 * tree-inline.c (estimate_operator_cost): Add operands;
679 when division happens by constant, it is cheap.
680 (estimate_num_insns): Loads and stores are not having cost of 0;
681 EH magic stuff is cheap; when computing runtime cost of switch,
682 use log2 base of amount of its cases; builtin_expect has cost of 0;
683 compute cost for moving return value of call.
684 (init_inline_once): Initialize time_based flags.
685 * tree-inline.h (eni_weights_d): Add time_based flag.
686
687 2009-05-12 Paolo Bonzini <bonzini@gnu.org>
688
689 * df-core.c: Update head documentation.
690
691 2009-05-12 Michael Meissner <meissner@linux.vnet.ibm.com>
692
693 PR bootstrap/40118
694 * rs6000.c (rs6000_generate_compare): Use op1b instead of
695 shadowing exisiting variable op1.
696
697 2009-05-12 Uros Bizjak <ubizjak@gmail.com>
698
699 PR target/37179
700 * config/i386/driver-i386.c (processor_signatures): New enum.
701 (SIG_GEODE): Move from vendor_signatures to processor_signatures.
702 (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
703 processor signature to detect geode processor.
704
705 2009-05-12 Paolo Bonzini <bonzini@gnu.org>
706
707 Revert:
708
709 2009-05-12 Paolo Bonzini <bonzini@gnu.org>
710
711 * optabs.c (prepare_cmp_insn): Temporarily disable test that
712 causes spurious differences between trunk and cond-optab branch.
713
714 2009-05-12 Paolo Bonzini <bonzini@gnu.org>
715
716 * dojump.c (compare_from_rtx): Delete.
717 * expmed.c (emit_store_flag): Only try cstore_optab. Canonicalize
718 any MODE_CC mode to the cstorecc4 pattern. Use prepare_operand, fail
719 if the comparison does not satisfy the predicate; test predicates for
720 operands 2 and 3 of a cstore pattern. Don't try cstore optab
721 further if one existing pattern fails.
722 * expr.h (compare_from_rtx): Delete.
723 (prepare_operand): Declare it.
724 * optabs.c: Change "lib call" to "libcall" throughout.
725 (bcc_gen_fctn, setcc_gen_code, trap_rtx,
726 HAVE_conditional_trap, emit_cmp_insn): Delete.
727 (can_compare_p): Delete cmp_optab case.
728 (prepare_float_lib_cmp): Return an rtx and a machine mode.
729 Accept other parameters by value.
730 (prepare_operand): Make non-static.
731 (prepare_cmp_insn): Return an rtx and a machine mode. Accept
732 other parameters by value. Try to widen operands here based on
733 an optab_methods argument and looking at cbranch_optab.
734 (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
735 loop. Use cbranch_optab directly.
736 (emit_cmp_and_jump_insns): Fix comment. Adjust call to
737 prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
738 assertion.
739 (emit_conditional_move, emit_conditional_add): Inline what's needed
740 of compare_from_rtx, using new prepare_cmp_insn for the rest.
741 (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
742 with COMPARE. Move cmov_optab and cstore_optab above
743 with cbranch_optab, move cmp_optab down with ucmp_optab,
744 remove tst_otpab. Do not initialize trap_rtx.
745 (gen_cond_trap): Do it here. Use ctrap_optab. Test predicate
746 for trap code. Do not check HAVE_conditional_trap. Use
747 prepare_cmp_insn. Accept no predicate for operand 3.
748 * optabs.h (OTI_cmp): Mark as used only for libcalls.
749 (OTI_ctrap, ctrap_optab): New.
750 (tst_optab): Delete.
751 (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
752 * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
753 with lookup of ctrap_optab.
754 * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
755 setcc_gen_code): Delete.
756 (ctrap_optab): New.
757
758 * combine.c (combine_simplify_rtx, simplify_set): Do not
759 special case comparing against zero for cc0 machines.
760 * simplify-rtx.c (simplify_binary_operation_1): Never remove
761 COMPARE on cc0 machines.
762 (simplify_relational_operation): Return a new expression when
763 a COMPARE could be removed.
764 * final.c (final_scan_insn): Compare cc_status values
765 against LHS of a (compare FOO (const_int 0)) cc0 source.
766 Also check if cc_status.value is the full compare.
767
768 * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
769 (cstoreMM4): Document.
770 (conditional_trap): Document ctrapMM4 instead.
771 (sync_compare_and_swapMM): Refer to cbranchcc4.
772 (Dependent Patterns): Eliminate obsolete information referring to
773 the old jump optimization phase.
774 (Canonicalization): Include cbranchcc4 case, omit canonicalization
775 of compares with 0 on cc0 machines.
776 (Jump Patterns): Refer to MODE_CC jump patterns preferably,
777 avoiding references to cc0. Remove text about storing operands
778 in cmpMM.
779 * doc/tm.texi (Condition Codes): Include blurb on different
780 condition code representations, separate into subsections for
781 CC0, MODE_CC and conditional execution.
782
783 * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
784 alpha_emit_setcc): Accept operands and a machine mode.
785 * config/alpha/alpha.c (alpha_emit_conditional_branch):
786 Get code/op0/op1 from operands, use machine mode argument
787 instead of alpha_compare.fp_p. Emit the branch here.
788 (alpha_emit_setcc): Likewise, and return boolean.
789 (alpha_emit_conditional_move): Likewise. Assert that
790 cmp_op_mode == cmp_mode, and simplify accordingly.
791 * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
792 * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
793 (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
794 Delete.
795 (stack probe test): Use cbranchdi4.
796 * config/alpha/predicates.md (alpha_cbranch_operator): New.
797
798 * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
799 * config/arc/arc.h (movsicc, movsfcc): Use it.
800 (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
801 (cbranchsi4, cstoresi4): New.
802 (cmpsi, bCC and sCC expanders): Remove.
803
804 * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
805 * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
806 * config/arm/predicates.md (arm_comparison_operator): Only include
807 floating-point operators if there is a hardware floating-point unit.
808 * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
809 deferring to cbranch_cc and cstore_cc respectively.
810 (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
811 cbranch_cc, cstore_cc): New.
812 (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
813 arm_compare_op1.
814 (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
815
816 * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
817 * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
818 as an argument.
819 (adjust_insn_length): Adjust calls.
820 (avr_reorg): Handle (compare (foo) (const_int 0)).
821 * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
822 (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
823 (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
824 (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
825 (bCC): Remove.
826 (cbranchqi4, cbranchhi4, cbranchsi4): New.
827 (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
828
829 * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
830 (cbranchsi4, cstorebi4, cstoresi4): New.
831 (movbisi): This insn is duplicate, split it to zero_extend.
832 * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
833 (bfin_gen_compare): Do not use them. Emit VOIDmode SET, not BImode.
834 (bfin_optimize_loop): Use cbranch expander.
835 * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
836 * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
837 (bfin_bimode_comparison_operator): ... this.
838 (bfin_direct_comparison_operator): New.
839
840 * config/cris/cris.c (cris_normal_notice_update_cc): Look
841 inside (compare FOO (const_int 0)).
842 (cris_rtx_costs): Handle ZERO_EXTRACT.
843 * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
844 (*tstdi_non_v32): Fold in *cmpdi_non_v32.
845 (*tstdi_v32): Delete.
846 (*cmpdi_non_v32): Add M alternative for operand 1.
847 (cmpsi, cmp<mode>): Make private.
848 (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
849 with COMPARE.
850 (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
851
852 * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
853 (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
854 (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
855 (cc_reg_operand): New.
856 (any_cond): Delete.
857 * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
858 crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
859 * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
860 * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
861 crx_expand_scond): Delete.
862
863 * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
864 (cbranchsi4): New.
865 * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
866 * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
867
868 * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
869 cstoresi4, cstoresf4, cstoredf4): New.
870 (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
871 * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
872 Receive the entire operands array.
873 * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
874 * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
875 * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
876 Get test/op0/op1 from the operands array.
877 (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
878
879 * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
880 (h8300_expand_store): New.
881 * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
882 (const_int 0)).
883 (h8300_expand_branch): Emit compare here. Adjust for new arguments.
884 (h8300_expand_store): New.
885 * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
886 or do not try to produce (set (cc0) REG).
887 (peepholes): Wrap arguments with COMPARE. Add a peephole to
888 change a compare into a move to a scratch register. Disable some
889 peepholes when comparing with zero.
890 (tstsi, tsthi, tstsi, cmpqi): Make private.
891 (cmphi): Delete.
892 (bCC, sCC): Delete.
893 (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
894 cstoresi4): New.
895
896 * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
897 ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
898 (ix86_emit_i387_log1p): Use gen_cbranchxf4.
899 (ix86_emit_i387_log1p): Use cbranchxf2.
900 (ix86_expand_setcc): Return void.
901 * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
902 * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
903 cmp<MODEF>, cmpcc): Remove.
904 (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
905 cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
906 cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
907 (sCC and bCC expanders): Remove.
908 (stack_protect_test): Use cbranchcc4.
909
910 * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
911 Delete.
912 (ia64_expand_compare): Accept three rtx by reference and return void.
913 * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
914 (ia64_expand_compare): Replace op0/op1 with *op0/*op1. Get code
915 from *expr. Update *expr with the BImode comparison to do.
916 * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
917 cmptf, bCC, sCC, conditional_trap): Delete.
918 (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
919 cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
920 cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
921 ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
922 * config/ia64/predicates.md (ia64_cbranch_operator): New.
923
924 * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
925 type of last argument.
926 * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
927 (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
928 use machine mode argument instead of branch_type. Remove dead
929 code for floating-point comparisons.
930 * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
931 * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
932 Remove.
933 (cbranchsi4, cstoresi4): New.
934 * config/iq2000/predicates.md (reg_or_const_operand): New.
935
936 * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
937 * config/m32c/m32c.md (any_cond, gl_cond): Delete.
938 (b<code>_op): Rewrite to...
939 (bcc_op): ... this, using match_operator.
940 (s<code>_op): Rewrite to...
941 (scc_op): ... this, using match_operator.
942 (s<code>_24_op): Rewrite to...
943 (scc_op_24): ... this, using match_operator.
944 (s<code>_<mode>): Rewrite to...
945 (cstore<mode>4): ... this, using match_operator.
946 (s<code>_<mode>_24): Rewrite to...
947 (cstore<mode>4_24): ... this, using match_operator.
948 * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
949 m32c_unpend_compare, m32c_expand_scc): Delete.
950 * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
951 m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
952 (m32c_expand_movcc): Change NE to EQ if necessary.
953 (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
954
955 * config/m32r/m32r-protos.h (gen_cond_store): New.
956 * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
957 (gen_cond_store): New, from sCC patterns.
958 (m32r_expand_block_move): Use cbranchsi4.
959 * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
960 * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
961 (cbranchsi4, cstoresi4): New.
962
963 * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
964 Delete.
965 (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
966 (m68hc11_notice_update_cc): Look into a compare with 0.
967 * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
968 Delete.
969 * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
970 cmphi, cmpqi, bCC): Delete.
971 (cbranchsi4, cbranchhi4, cbranchqi4): New.
972 (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
973 bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
974 sets with COMPARE.
975
976 * config/m68k/predicates.md (m68k_cstore_comparison_operator,
977 const0_operand, const1_operand, m68k_subword_comparison_operand): New.
978 * config/m68k/constraints.md (H): New.
979 * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
980 the define_insn below.
981 (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
982 (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
983 *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
984 patterns): Wrap RHS with COMPARE.
985 (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
986 (*cmpdi_internal): Name this pattern.
987 (cmpdi): Change to define_insn.
988 (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
989 cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
990 (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
991 predicate.
992 (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
993 sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
994 (conditional_trap): Change to...
995 (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
996 (*conditional_trap): Use the ordered_comparison_operator and
997 const1_operand predicates.
998 * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
999 (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
1000 (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
1001 * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
1002
1003 * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
1004 mcore_modify_comparison, mcore_gen_compare_reg): Remove.
1005 (mcore_gen_compare): New.
1006 * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
1007 (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
1008 (mcore_gen_compare): ... this.
1009 * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
1010 (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
1011 (stack probe pattern): Use cbranchsi4.
1012
1013 * config/mips/predicates.md (mips_cstore_operator): New.
1014 * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
1015 * config/mips/mips.md (any_cond): Delete.
1016 (conditional_trap): Rename to ctrap<GPR:mode>4. Adjust predicates,
1017 always succeed.
1018 (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
1019 fixuns_truncsfdi2): Use cbranch patterns.
1020 (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
1021 (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
1022 Adjust call to mips_expand_conditional_branch.
1023 (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
1024 cstore<GPR:mode>4.
1025 * config/mips/mips-protos.h (mips_expand_conditional_branch,
1026 mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
1027 * config/mips/mips.c (cmp_operands): Delete.
1028 (mips_emit_compare): Get comparison operands from *op0/*op1.
1029 (mips_expand_scc): Get code/op0/op1/target from operands. Assert
1030 that it succeeds. Use op0/op1 instead of cmp_operands.
1031 (mips_expand_conditional_branch, mips_expand_conditional_move,
1032 mips_expand_conditional_trap): Likewise.
1033 (mips_block_move_loop): Use cbranch patterns.
1034 * config/mips/mips.h (cmp_operands): Delete.
1035
1036 * config/mmix/mmix.c (mmix_valid_comparison): Delete.
1037 (mmix_gen_compare_reg): Just return a register in the right CC mode.
1038 * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
1039 * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
1040 (*cmpcc_folded): Rename to...
1041 (*cmpdi_folded): this.
1042 (*cmpcc): Rename to...
1043 (*cmps): ... this.
1044 (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
1045 (bCC): Remove.
1046 (cbranchdi4): New.
1047 (cbranchdf4): New. Handle invalid comparisons here.
1048 * config/mmix/predicates.md (float_comparison_operator): New.
1049
1050 * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
1051 zero_extract to be cheap in (compare (zero_extract) (const_int 0).
1052 * config/mn10300/mn10300.md (tst): Delete.
1053 (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
1054 Name these patterns and wrap RHS in a compare.
1055 (*cmpsi): Make this pattern private. Include tst.
1056 (*cmpsf): Make this pattern private.
1057 (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
1058 (compare with zero peepholes): Likewise.
1059 (bCC): Remove.
1060 (cbranchsi4, cbranchsf4): New.
1061 (casesi): Use cbranchsi4.
1062
1063 * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
1064 hppa_branch_type): Delete.
1065 (return_addr_rtx): Use cbranchsi4.
1066 (emit_bcond_fp): Accept all operands. Replace CODE with NE.
1067 Emit CCFPmode comparison here.
1068 (gen_cmp_fp): Delete, now part of emit_bcond_fp.
1069 * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
1070 hppa_branch_type): Delete.
1071 * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
1072 (movsicc, movdicc): Remove references to hppa_compare_op0,
1073 hppa_compare_op1 and compare_from_rtx.
1074 (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
1075 (casesi): Use cbranchsi4.
1076
1077 * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
1078 * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
1079 * config/pdp11/pdp11.md (register_or_const0_operand): New.
1080 (cmpdf, cmphi, cmpqi): Make private. Add tst alternatives.
1081 (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
1082 (bCC): Delete.
1083 (cbranchdf4, cbranchhi4, cbranchqi4): New.
1084 (*branch, *branch_inverted): New.
1085
1086 * config/picochip/picochip.md (cbranchhi4): Use
1087 ordered_comparison_operator.
1088 (cmphi, bCC): Remove.
1089
1090 * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
1091 (trap_comparison_operator): Delete.
1092 * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
1093 rs6000_emit_cbranch): Accept mode and operands.
1094 * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
1095 rs6000_compare_fp_p): Delete.
1096 (rs6000_generate_compare): Accept mode and comparison. Extract code
1097 and op0/op1 from there. Replace references to rs6000_compare_op0
1098 and rs6000_compare_op1.
1099 (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
1100 extract result from passed operands.
1101 (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
1102 extract loc from passed operands.
1103 (rs6000_emit_cmove): Likewise.
1104 * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
1105 rs6000_compare_fp_p): Delete.
1106 * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
1107 (cbranch<GPR>4, cbranch<FP>4): New.
1108 (cstore<mode>4): New. Consolidate here all choices about when to use
1109 portable or specialized sCC sequences.
1110 (stack_protect_test): Use cbranchsi4.
1111 (conditional_trap): Replace with ctrap<GPR>4.
1112 (conditional trap insn): Replace trap_comparison_operator with
1113 ordered_comparison_operator.
1114
1115 * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
1116 (s390_emit_prologue): Use ctrap.
1117 * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
1118 * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
1119 New predicates replacing...
1120 * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
1121 (cmp<GPR>, cmp<FP>, cmpcc): Delete.
1122 (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
1123 (add<mode>cc): Do not use s390_compare_op0/op1.
1124 (s<code>): Change to...
1125 (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
1126 (seq): Change to...
1127 (cstorecc4): ... this. Handle EQ or NE equally.
1128 (*sne): Un-privatize for use in cstorecc4.
1129 (b<code>): Change to...
1130 (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
1131 (conditional_trap): Replace with...
1132 (ctrap<GPR>4, ctrap<FP>4): ... these.
1133 (stack_protect): Use cbranchcc4.
1134
1135 * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
1136 * config/score/score-protos.h (score_gen_cmp): Delete.
1137 * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
1138 (score_block_move-loop): Use cbranchsi4.
1139 * config/score/score.md (cbranchsi4): New.
1140 (cmpsi, bCC): Delete.
1141 * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
1142 (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1143 * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
1144 (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
1145 * config/score/score3.h (score3_gen_cmp): Delete.
1146 * config/score/score7.h (score7_gen_cmp): Delete.
1147
1148 * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
1149 (sh_emit_scc_to_t): ... this. Return void.
1150 (from_compare): Rename to...
1151 (sh_emit_compare_and_branch): ... this.
1152 (sh_emit_compare_and_set): New.
1153 (sh_expand_t_scc): Accept operands.
1154 * config/sh/predicates.md (sh_float_comparison_operator): New.
1155 * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
1156 (prepare_scc_operands): Rename to...
1157 (sh_emit_scc_to_t): ... this. Return void. Get op0/op1 from
1158 arguments.
1159 (sh_emit_cheap_store_flag): New.
1160 (sh_emit_set_t_insn): New.
1161 (from_compare): Rename to...
1162 (sh_emit_compare_and_branch): ... this. Accept mode. Rewrite
1163 handling of TARGET_SH2E floating point to avoid recursive call.
1164 Generate branch here.
1165 (sh_emit_compare_and_set): New.
1166 (sh_expand_t_scc): Get op0/op1 from arguments.
1167 (sh_emit_cheap_store_flag): New.
1168 * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
1169 cases.
1170 (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
1171 (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
1172 (movsicc, movdicc): Do nothing when it recreated operands from
1173 sh_compare_*. Use sh_emit_cheap_store_flag. Adjust call to
1174 prepare_scc_operands (now sh_emit_scc_to_t).
1175 (udivdi3): Use cstoresi4.
1176 (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
1177 bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
1178 (cbranchint4_media, cbranchfp4_media): New.
1179 (casesi): Use cbranchdi4.
1180 (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
1181 Delete.
1182 (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
1183 (movnegt): Remove second operand.
1184 (cbranchsf4, cbranchdf4): New.
1185 (stack_protect): Use cbranchdi4/cbranchsi4.
1186
1187 * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
1188 (gen_compare_reg): Accept comparison, extract part of it to...
1189 (gen_compare_reg_1): ... this.
1190 (gen_compare_operator): Delete.
1191 (gen_v9_scc): Accept separate destination, comparison code and arms.
1192 Do not use sparc_compare_op0/sparc_compare_op1.
1193 (emit_scc_insn, emit_conditional_branch_insn): New.
1194 (emit_v9_brxx): Make static. Remove useless assertion.
1195 (sparc_emit_float_lib_cmp): Return RTL instead of calling
1196 emit_cmp_insn.
1197 (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
1198 * config/sparc/sparc-protos.h (gen_compare_reg,
1199 sparc_emit_float_lib_cmp): Adjust prototype.
1200 (emit_scc_insn, emit_conditional_branch_insn): New.
1201 (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
1202 * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
1203 * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
1204 iterators to the top.
1205 (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
1206 snesi_special_extend, sCC, bCC, seqdi_special_trunc,
1207 snedi_special_trunc): Delete.
1208 (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
1209 and snedi_special_trunc.
1210 (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
1211 cbranchdi4, cbranch<F:mode>4): New.
1212 (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
1213 here. Use gen_compare_reg instead of gen_compare_operator.
1214 (conditional_trap): Replace with...
1215 (ctrapsi4, ctrapdi4): ... this.
1216 (stack_protect_test): Use cbranchcc4.
1217
1218 * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
1219 argument to rtx.
1220 * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
1221 (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
1222 Change spu_compare_op0/op1 to op0/op1 throughout. Get target
1223 from operands[0] or operands[3] depending on is_set.
1224 * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
1225 * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
1226 cmpdf, bCC), sCC: Remove.
1227 (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
1228 cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
1229 cstoredf4): New.
1230 (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
1231 spu_emit_branch_or_set.
1232
1233 * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
1234 Add two arguments.
1235 * config/stormy16/stormy16.h (xstormy16_compare_op0,
1236 xstormy16_compare_op1): Delete.
1237 * config/stormy16/stormy16.c (xstormy16_compare_op0,
1238 xstormy16_compare_op1): Delete.
1239 (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
1240 Adjust calls.
1241 * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
1242 (cmphi, cmpsi, bCC): Remove.
1243
1244 * config/v850/v850.md (tstsi, cmpsi): Fold into...
1245 (*cmpsi): ... this one.
1246 (cbranchsi4, cstoresi4): New.
1247 (bCC expanders): Delete.
1248 (sCC insns): Fold into...
1249 (*setcc): ... this one.
1250 (casesi): Do not use gen_cmpsi and gen_bgtu.
1251 (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
1252 (movsicc): Simplify.
1253 * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
1254
1255 * config/vax/vax-protos.h (cond_name): New.
1256 (vax_output_conditional_branch): Remove.
1257 * config/vax/vax.c (cond_name): New.
1258 (vax_output_conditional_branch): Remove.
1259 * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
1260 * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
1261 (cmp<VAXint>, cmp<VAXfp>): Privatize. Add constraints for tst.
1262 (bit<VAXint>): Wrap source with (compare).
1263 (b<code> and following unnamed pattern): Rename to *branch and
1264 *branch_reversed. Change macroization to match_operator.
1265 (cbranch<VAXint>4, cbranch<VAXfp>4): New.
1266
1267 * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
1268 * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
1269 Change last argument to machine_mode.
1270 (xtensa_expand_scc): Add machine_mode argument.
1271 * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
1272 (gen_conditional_move, xtensa_expand_conditional_branch,
1273 xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
1274 instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
1275 Adjust operand numbers.
1276 * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
1277 Delete.
1278 * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
1279 (cmpsi, cmpsf, b<code>, s<code>): Delete.
1280 (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
1281
1282 2009-05-12 Paolo Bonzini <bonzini@gnu.org>
1283
1284 * optabs.c (prepare_cmp_insn): Temporarily disable test that
1285 causes spurious differences between trunk and cond-optab branch.
1286
1287 2009-05-12 Alexandre Oliva <aoliva@redhat.com>
1288
1289 PR target/37137
1290 * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
1291
1292 2009-05-12 Alexandre Oliva <aoliva@redhat.com>
1293
1294 * tree.c (iterative_hash_pointer): Delete.
1295 (iterative_hash_expr): Short-circuit handling of NULL pointer.
1296 Hash UIDs and versions of SSA names. Don't special-case built-in
1297 function declarations.
1298
1299 2009-05-11 Ian Lance Taylor <iant@google.com>
1300
1301 PR bootstrap/40103
1302 * graphite.c: Force -Wc++-compat to only be a warning before
1303 #including "cloog/cloog.h".
1304
1305 2009-05-11 Martin Jambor <mjambor@suse.cz>
1306
1307 * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
1308
1309 2009-05-11 Jan Hubicka <jh@suse.cz>
1310
1311 * tree-ssa-loop-ivcanon.c: Include target.h
1312 (struct loop_size): new structure.
1313 (constant_after_peeling): New predicate.
1314 (tree_estimate_loop_size): New function.
1315 (estimated_unrolled_size): Rewrite for new estimates.
1316 (try_unroll_loop_completely): Use new estimates.
1317 * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
1318
1319 2009-05-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1320
1321 * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
1322 libcpp interface change.
1323 (spu_macro_to_expand): Likewise.
1324
1325 2009-05-11 Paolo Bonzini <bonzini@gnu.org>
1326
1327 PR tree-optimization/40026
1328 * gimplify.c (gimplify_init_constructor): Change initial conditional
1329 to assertion. Rewrite TREE_OPERAND (*expr_p, 1) after
1330 optimize_compound_literals_in_ctor.
1331
1332 2009-05-11 Nathan Sidwell <nathan@codesourcery.com>
1333
1334 * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
1335 New devices.
1336 * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
1337
1338 2009-05-11 H.J. Lu <hongjiu.lu@intel.com>
1339
1340 * tree-vect-data-refs.c (vect_analyze_group_access): Use
1341 HOST_WIDE_INT for gap.
1342
1343 2009-05-11 Ira Rosen <irar@il.ibm.com>
1344
1345 PR tree-optimization/40074
1346 * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
1347 account in group size and step comparison.
1348
1349 2009-05-11 Richard Guenther <rguenther@suse.de>
1350
1351 * passes.c (init_optimization_passes): Strip now incorrect comment.
1352 (execute_function_todo): Do not set PROP_alias.
1353 * tree-pass.h (PROP_alias): Remove.
1354 * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
1355 * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
1356 * tree-nrv.c (pass_return_slot): Likewise.
1357 * tree-object-size.c (pass_object_sizes): Likewise.
1358 * tree-ssa-dom.c (pass_dominator): Likewise.
1359 (pass_phi_only_cprop): Likewise.
1360 * tree-ssa-dse.c (pass_dse): Likewise.
1361 * tree-ssa-phiopt.c (pass_phiopt): Likewise.
1362 (pass_cselim): Likewise.
1363 * tree-ssa-pre.c (pass_pre): Likewise.
1364 (pass_fre): Likewise.
1365 * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1366 * tree-ssa-sink.c (pass_sink_code): Likewise.
1367 * tree-stdarg.c (pass_stdarg): Likewise.
1368 * tree-tailcall.c (pass_tail_calls): Likewise.
1369 * tree-vrp.c (pass_vrp): Likewise.
1370
1371 2009-05-10 Ian Lance Taylor <iant@google.com>
1372
1373 * basic-block.h (enum profile_status): Break out of struct
1374 control_flow_graph.
1375 * cgraph.h (struct inline_summary): Break out of struct
1376 cgraph_local_info.
1377 * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
1378 of struct cgraph_order_sort.
1379 * combine.c (enum undo_kind): New enum, broken out of struct undo.
1380 * cse.c (struct branch_path): Break out of struct
1381 cse_basic_block_data.
1382 * except.h (enum eh_region_type): Break out of struct eh_region.
1383 * gcc.c (enum add_del): Break out of struct modify_target.
1384 * genrecog.c (enum decision_type): Break out of struct decision_test.
1385 * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
1386 ggc_pch_data.
1387 * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
1388 * regmove.c (enum match_use): New enum, broken out of struct match.
1389 * sched-int.h (enum post_call_group): New enum, broken out of
1390 struct deps.
1391 (struct deps_reg): Break out of struct deps.
1392 * target.h (struct asm_int_op): Break out of struct gcc_target.
1393 * tree-eh.c (struct goto_queue_node): Break out of struct
1394 leh_tf_state.
1395 * tree-inline.h (enum copy_body_cge_which): Break out of
1396 copy_body_data.
1397 * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
1398
1399 * c-decl.c (in_struct, struct_types): New static variables.
1400 (pushtag): Add loc parameter. Change all callers.
1401 (lookup_tag): Add ploc parameter. Change all callers.
1402 (check_compound_literal_type): New function.
1403 (parser_xref_tag): Add loc parameter. Change all callers. If
1404 -Wc++-compat, warn about struct/union/enum types defined within a
1405 struct or union.
1406 (start_struct): Add enclosing_in_struct, enclosing_struct_types,
1407 and loc parameters. Change all callers. Change error calls to
1408 error_at, using loc. For a redefinition, if the location of the
1409 original definition is known, report it. Set in_struct and
1410 struct_types. If -Wc++-compat warn if in sizeof, typeof, or alignof.
1411 (finish_struct): Add new parameters enclosing_in_struct and
1412 enclosing_struct_types. Change all callers. Set
1413 C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
1414 in the struct. If in a struct, add this struct to struct_types.
1415 (start_enum): Add loc parameter. Change all callers. Use
1416 error_at for errors, using loc. For a redefinition, if the
1417 location of the original definition is known, report it. If in a
1418 struct, add this enum type to struct_types. If -Wc++-compat warn
1419 if in sizeof, typeof, or alignof.
1420 * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
1421 (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
1422 (c_parser_enum_specifier): Get enum location for start_enum.
1423 (c_parser_struct_or_union_specifier): Get struct location for
1424 start_struct. Save in_struct and struct_types status between
1425 start_struct and finish_struct.
1426 (c_parser_cast_expression): Get location of cast.
1427 (c_parser_alignof_expression): Get location of type.
1428 (c_parser_postfix_expression): Likewise.
1429 (c_parser_postfix_expression_after_paren_type): Add type_loc
1430 parameter. Change all callers. Call check_compound_literal_type.
1431 Use type_loc for error about variable size type.
1432 * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
1433 of an enum constant from an enum type defined in a struct or union.
1434 (c_cast_expr): Add loc parameter. Change all callers. If
1435 -Wc++-compat, warn about defining a type in a cast.
1436 * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
1437 (start_enum, start_struct, finish_struct): Update declarations.
1438 (parser_xref_tag, c_cast_expr): Update declarations.
1439 (check_compound_literal_type): Declare.
1440
1441 2009-05-11 Ben Elliston <bje@au.ibm.com>
1442
1443 * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
1444 for recent libcpp interface change.
1445 (rs6000_macro_to_expand): Likewise.
1446
1447 2009-05-10 Michael Matz <matz@suse.de>
1448
1449 PR target/40031
1450 * config/arm/arm.c (require_pic_register): Emit on entry edge,
1451 not at entry of function.
1452
1453 2009-05-10 Richard Guenther <rguenther@suse.de>
1454
1455 PR tree-optimization/40081
1456 Revert
1457 * tree-sra.c (instantiate_element): Instantiate scalar replacements
1458 using the main variant of the element type. Do not fiddle with
1459 TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1460
1461 * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
1462 structs with volatile fields.
1463
1464 2009-05-10 Jan Hubicka <jh@suse.cz>
1465
1466 * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
1467 (estimate_move_cost): Assert that it does not get called for
1468 VOID_TYPE_P.
1469 (estimate_num_insns): Skip VOID types in argument handling.
1470 (optimize_inline_calls): Delete unreachable blocks and verify that
1471 callgraph is valid.
1472
1473 2009-05-10 Jan Hubicka <jh@suse.cz>
1474
1475 * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
1476 * cgraph.c (cgraph_mark_address_taken_node): New function.
1477 (dump_cgraph_node): Dump new flag.
1478 * cgraph.h (struct cgraph_node): Add address_taken.
1479 (cgraph_mark_address_taken_node): New function.
1480 * ipa.c (cgraph_postorder): Prioritize functions with address taken
1481 since new direct calls can be born.
1482
1483 2009-05-10 Joseph Myers <joseph@codesourcery.com>
1484
1485 * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
1486 tok->val.node.node.
1487
1488 2009-05-10 Jan Hubicka <jh@suse.cz>
1489
1490 PR middle-end/40084
1491 * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
1492 argument; rewrite.
1493 (cgraph_update_edges_for_call_stmt): Take old_decl argument.
1494 * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
1495 * tree-inline.c (copy_bb): Set frequency correctly.
1496 (fold_marked_statements): Update call to
1497 cgraph_update_edges_for_call_stmt.
1498
1499 2009-05-10 Joseph Myers <joseph@codesourcery.com>
1500
1501 * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
1502 identifiers in diagnostics.
1503 * config/arm/arm.c (arm_handle_fndecl_attribute,
1504 arm_handle_isr_attribute): Likewise.
1505 * config/avr/avr.c (avr_handle_progmem_attribute,
1506 avr_handle_fndecl_attribute, avr_handle_fntype_attribute):
1507 Likewise.
1508 * config/bfin/bfin.c (handle_int_attribute,
1509 bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
1510 bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
1511 bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
1512 Likewise.
1513 * config/darwin.c (darwin_handle_kext_attribute,
1514 darwin_handle_weak_import_attribute): Likewise.
1515 * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
1516 h8300_handle_eightbit_data_attribute,
1517 h8300_handle_tiny_data_attribute): Likewise.
1518 * config/i386/i386.c (ix86_handle_cconv_attribute,
1519 ix86_handle_abi_attribute, ix86_handle_struct_attribute):
1520 Likewise.
1521 * config/i386/winnt.c (ix86_handle_shared_attribute,
1522 ix86_handle_selectany_attribute): Likewise.
1523 * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
1524 * config/m32c/m32c.c (function_vector_handler): Likewise.
1525 * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
1526 m68hc11_handle_fntype_attribute): Likewise.
1527 * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
1528 * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
1529 * config/mips/mips.c (mips_insert_attributes,
1530 mips_merge_decl_attributes, mips_expand_builtin): Likewise.
1531 * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
1532 rs6000_handle_struct_attribute): Likewise.
1533 * config/sh/sh.c (sh_insert_attributes,
1534 sh_handle_resbank_handler_attribute,
1535 sh_handle_interrupt_handler_attribute,
1536 sh2a_handle_function_vector_handler_attribute,
1537 sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1538 Likewise.
1539 * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
1540 * config/spu/spu.c (spu_handle_fndecl_attribute,
1541 spu_handle_vector_attribute): Likewise.
1542 * config/stormy16/stormy16.c
1543 (xstormy16_handle_interrupt_attribute): Likewise.
1544 * config/v850/v850-c.c (ghs_pragma_section): Likewise.
1545 * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
1546
1547 2009-05-10 Joseph Myers <joseph@codesourcery.com>
1548
1549 * pretty-print.h (struct pretty_print_info): Add
1550 translate_identifiers.
1551 (pp_translate_identifiers): New.
1552 (pp_identifier): Only conditionally translate identifier to locale
1553 character set.
1554 * pretty-print.c (pp_construct): Set pp_translate_identifiers.
1555 (pp_base_tree_identifier): Only conditionally translate identifier
1556 to locale character set.
1557 * c-pretty-print.c (M_): Define.
1558 (pp_c_type_specifier, pp_c_primary_expression): Mark English
1559 fragments for conditional translation with M_.
1560 * tree-pretty-print.c (maybe_init_pretty_print): Disable
1561 identifier translation.
1562
1563 2009-05-10 Richard Guenther <rguenther@suse.de>
1564
1565 PR tree-optimization/40081
1566 * tree-sra.c (instantiate_element): Instantiate scalar replacements
1567 using the main variant of the element type. Do not fiddle with
1568 TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
1569
1570 2009-05-09 Jan Hubicka <jh@suse.cz>
1571
1572 PR middle-end/40080
1573 * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
1574 indirect calls; verify cgraph afterwards.
1575
1576 2009-05-09 Jan Hubicka <jh@suse.cz>
1577
1578 PR bootstrap/40082
1579 * ipa.c (update_inlined_to_pointer): New function.
1580 (cgraph_remove_unreachable_nodes): Use it.
1581
1582 2009-05-09 Jan Hubicka <jh@suse.cz>
1583
1584 * tree-eh.c (struct leh_state): Remove prev_try.
1585 (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
1586 not track prev_try.
1587 * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
1588 copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
1589 remove_eh_handler_and_replace, foreach_reachable_handler,
1590 verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
1591 * except.h (struct eh_region): Remove eh_region_u_cleanup.
1592 (gen_eh_region_cleanup): Update prototype.
1593
1594 2009-05-09 Jan Hubicka <jh@suse.cz>
1595
1596 PR middle-end/40043
1597 * except.c (copy_eh_region): Always set prev_try.
1598 (redirect_eh_edge_to_label): Find outer try.
1599 (foreach_reachable_handler): When looking for prev try
1600 handle case where previous try is not going to be taken.
1601
1602 2009-05-07 Michael Meissner <meissner@linux.vnet.ibm.com>
1603
1604 PR tree-optimization/40049
1605 * tree-vect-stmts.c (vectorizable_operation): If the machine has
1606 only vector/vector shifts, convert the type of the constant to the
1607 appropriate type to avoid building incorrect trees, which
1608 eventually have problems with garbage collection.
1609
1610 2009-05-08 Joseph Myers <joseph@codesourcery.com>
1611
1612 * fold-const.c (fold_binary): Do not fold multiplication by 1 or
1613 -1 for complex floating-point types if honoring signed zeros.
1614
1615 2009-05-08 Jan Hubicka <jh@suse.cz>
1616
1617 * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
1618 argument; handle correctly when profile is absent.
1619 (build_cgraph_edges): Update.
1620 (rebuild_cgraph_edges): Update.
1621 * cgraph.c: Do not include varray.h.
1622 (cgraph_set_call_stmt_including_clones): New function.
1623 (cgraph_create_edge_including_clones): Likewise
1624 (cgraph_update_edges_for_call_stmt_node): New static cfunction.
1625 (cgraph_update_edges_for_call_stmt): Handle clones.
1626 (cgraph_remove_node): Handle clone tree.
1627 (cgraph_remove_node_and_inline_clones): New function.
1628 (dump_cgraph_node): Dump clone tree.
1629 (cgraph_clone_node): Handle clone tree.
1630 (clone_function_name): Bring here from tree-inline.c.
1631 (cgraph_create_virtual_clone): New function.
1632 * cgraph.h (ipa_replace_map): Move here from ipa.h.
1633 (cgraph_clone_info): New function.
1634 (strut cgraph_node): Add clone_info and new clone tree pointers.
1635 (cgraph_remove_node_and_inline_clones,
1636 cgraph_set_call_stmt_including_clones,
1637 cgraph_create_edge_including_clones,
1638 cgraph_create_virtual_clone): Declare.
1639 (cgraph_function_versioning): Use VEC argument.
1640 (compute_call_stmt_bb_frequency): Update prototype.
1641 (cgraph_materialize_all_clones): New function.
1642 * ipa-cp.c (ipcp_update_cloned_node): Remove.
1643 (ipcp_create_replace_map): Update to VECtors.
1644 (ipcp_update_callgraph): Use virtual clones.
1645 (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
1646 (ipcp_update_profiling): Do not update local profiling.
1647 (ipcp_insert_stage): Use VECtors and virtual clones.
1648 * cgraphunit.c (verify_cgraph_node): Verify clone tree.
1649 (clone_of_p): New function.
1650 (cgraph_preserve_function_body_p): Use clone tree.
1651 (cgraph_optimize): Materialize clones.
1652 (cgraph_function_versioning): Update for VECtors.
1653 (save_inline_function_body): Use clone tree.
1654 (cgraph_materialize_clone): New function.
1655 (cgraph_materialize_all_clones): Likewise.
1656 * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
1657 * ipa.c: Include gimple.h.
1658 (cgraph_remove_unreachable_nodes): Use clone tree.
1659 * ipa-prop.c (ipa_note_param_call): Update call to
1660 compute_call_stmt_bb_frequencycall.
1661 * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
1662 * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
1663 (copy_bb): Handle updating of clone tree; add new edge when new call
1664 appears.
1665 (expand_call_inline): Be strict about every call having edge.
1666 (clone_fn_id_num, clone_function_name): Move to cgraph.c.
1667 (delete_unreachable_blocks_update_callgraph): New function.
1668 (tree_function_versioning): Use VECtors; always remove unreachable
1669 blocks and fold conditionals.
1670 * tree-inline.h: Do not include varray.h.
1671 (tree_function_versioning): Remove.
1672 * Makefile.in (GTFILES): Remove tree-inline.c
1673 * passes.c (do_per_function): Do only functions having body.
1674 * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
1675 tree.
1676
1677 2009-05-08 H.J. Lu <hongjiu.lu@intel.com>
1678 Andrew Morrow <acm@google.com>
1679
1680 PR c/36892
1681 * c-common.c (c_common_attribute_table): Permit deprecated
1682 attribute to take an optional argument.
1683 (handle_deprecated_attribute): If the optional argument to
1684 __attribute__((deprecated)) is not a string ignore the attribute
1685 and emit a warning.
1686
1687 * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
1688 * c-typeck.c (build_component_ref): Likewise.
1689 (build_external_ref): Likewise.
1690
1691 * toplev.c (warn_deprecated_use): Add an attribute argument.
1692 Emit the message associated with __attribute__((deprecated)).
1693
1694 * toplev.h (warn_deprecated_use): Updated.
1695
1696 * doc/extend.texi: Document new optional parameter to
1697 __attribute__((deprecated))
1698
1699 2009-05-08 Michael Eager <eager@eagercon.com>
1700
1701 * config/rs6000/rs6000.md (*movdf_softfloat32): replace
1702 !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
1703
1704 2009-05-08 Richard Guenther <rguenther@suse.de>
1705
1706 PR tree-optimization/40062
1707 * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
1708 Avoid exponential behavior.
1709
1710 2009-05-08 Paolo Bonzini <bonzini@gnu.org>
1711
1712 PR rtl-optimization/33928
1713 PR 26854
1714 * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
1715 process_uses, build_single_def_use_links): New.
1716 (update_df): Update use_def_ref.
1717 (forward_propagate_into): Use get_def_for_use instead of use-def
1718 chains.
1719 (fwprop_init): Call build_single_def_use_links and let it initialize
1720 dataflow.
1721 (fwprop_done): Free use_def_ref.
1722 (fwprop_addr): Eliminate duplicate call to df_set_flags.
1723 * df-problems.c (df_rd_simulate_artificial_defs_at_top,
1724 df_rd_simulate_one_insn): New.
1725 (df_rd_bb_local_compute_process_def): Update head comment.
1726 (df_chain_create_bb): Use the new RD simulation functions.
1727 * df.h (df_rd_simulate_artificial_defs_at_top,
1728 df_rd_simulate_one_insn): New.
1729 * opts.c (decode_options): Enable fwprop at -O1.
1730 * doc/invoke.texi (-fforward-propagate): Document this.
1731
1732 2009-05-08 Joseph Myers <joseph@codesourcery.com>
1733
1734 PR c/24581
1735 * c-typeck.c (build_binary_op): Handle arithmetic between one real
1736 and one complex operand specially.
1737 * tree-complex.c (some_nonzerop): Do not identify a real value as
1738 zero if flag_signed_zeros.
1739
1740 2009-05-08 Paolo Bonzini <bonzini@gnu.org>
1741
1742 PR rtl-optimization/33928
1743 * loop-invariant.c (record_use): Fix && vs. || mishap.
1744
1745 2009-05-08 Paolo Bonzini <bonzini@gnu.org>
1746
1747 PR rtl-optimization/33928
1748 * loop-invariant.c (struct use): Add addr_use_p.
1749 (struct def): Add n_addr_uses.
1750 (struct invariant): Add cheap_address.
1751 (create_new_invariant): Set cheap_address.
1752 (record_use): Accept df_ref. Set addr_use_p and update n_addr_uses.
1753 (record_uses): Pass df_ref to record_use.
1754 (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
1755 used only as such.
1756
1757 2009-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
1758
1759 * config/sh/sh.c: Do not include c-pragma.h.
1760
1761 2009-05-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1762
1763 * config/spu/spu.c: Remove include of c-common.h.
1764
1765 2009-05-07 Janis Johnson <janis187@us.ibm.com>
1766
1767 PR c/39037
1768 * c-common.h (mark_valid_location_for_stdc_pragma,
1769 valid_location_for_stdc_pragma_p, set_float_const_decimal64,
1770 clear_float_const_decimal64, float_const_decimal64_p): New.
1771 * c.opt (Wunsuffixed-float-constants): New.
1772 * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
1773 unsuffixed float constant, handle new warning.
1774 * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
1775 * c-decl.c (c_scope): New flag float_const_decimal64.
1776 (set_float_const_decimal64, clear_float_const_decimal64,
1777 float_const_decimal64_p): New.
1778 (push_scope): Set new flag.
1779 * c-parser.c (c_parser_translation_unit): Mark when it's valid
1780 to use STDC pragmas.
1781 (c_parser_external_declaration): Ditto.
1782 (c_parser_compound_statement_nostart): Ditto.
1783 * c-pragma.c (valid_location_for_stdc_pragma,
1784 mark_valid_location_for_stdc_pragma,
1785 valid_location_for_stdc_pragma_p, handle_stdc_pragma,
1786 handle_pragma_float_const_decimal64): New.
1787 (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
1788 * cp/semantics.c (valid_location_for_stdc_pragma_p,
1789 set_float_const_decimal64, clear_float_const_decimal64,
1790 float_const_decimal64_p): New dummy functions.
1791 * doc/extend.texi (Decimal Float): Remove statement that the
1792 pragma, and suffix for double constants, are not supported.
1793 * doc/invoke.texi (Warning Options): List new option.
1794 (-Wunsuffixed-float-constants): New.
1795
1796 2009-05-08 Steven Bosscher <steven@gcc.gnu.org>
1797
1798 * config/i386/i386.c: Do not include c-common.h.
1799
1800 2009-05-07 Mark Heffernan <meheff@google.com>
1801
1802 * doc/invoke.texi (Debugging Options): Document change of debugging
1803 dump location.
1804 * opts.c (decode_options): Make dump_base_name relative to
1805 aux_base_name directory.
1806
1807 2009-05-07 Hariharan Sandanagobalane <hariharan@picochip.com>
1808
1809 * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
1810 * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
1811
1812 2009-05-07 Rafael Avila de Espindola <espindola@google.com>
1813
1814 * Makefile.in (install-plugin): Simplify a bit.
1815
1816 2009-05-07 Paolo Bonzini <bonzini@gnu.org>
1817
1818 * Makefile.in (OBJS-common): Add regcprop.o.
1819 (regcprop.o): New.
1820 * timevar.def (TV_CPROP_REGISTERS): New.
1821 * regrename.c (regrename_optimize): Return 0.
1822 (rest_of_handle_regrename): Delete.
1823 (pass_rename_registers): Point to regrename_optimize.
1824 (struct value_data_entry, struct value_data,
1825 kill_value_one_regno, kill_value_regno, kill_value,
1826 set_value_regno, init_value_data, kill_clobbered_value,
1827 kill_set_value, kill_autoinc_value, copy_value,
1828 mode_change_ok, maybe_mode_change, find_oldest_value_reg,
1829 replace_oldest_value_reg, replace_oldest_value_addr,
1830 replace_oldest_value_mem, copyprop_hardreg_forward_1,
1831 debug_value_data, validate_value_data): Move...
1832 * regcprop.c: ... here.
1833 (rest_of_handle_cprop): Delete.
1834 (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
1835
1836 2009-05-07 Jakub Jelinek <jakub@redhat.com>
1837
1838 PR middle-end/40057
1839 * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
1840 GEN_INT for 1 << bitnum.
1841 (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
1842 build_int_cst_type.
1843
1844 2009-05-07 Uros Bizjak <ubizjak@gmail.com>
1845
1846 * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
1847 Remove wrong description of "nand" operation.
1848
1849 2009-05-06 Richard Guenther <rguenther@suse.de>
1850 Adam Nemet <anemet@caviumnetworks.com>
1851
1852 * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
1853 comment. Add that if LHS is not a gimple register, then RHS1 has
1854 to be a single object (GIMPLE_SINGLE_RHS).
1855
1856 2009-05-06 Adam Nemet <anemet@caviumnetworks.com>
1857
1858 * expr.c (get_def_for_expr): Move it up in the file.
1859 (store_field): When expanding a bit-field store, look at the
1860 defining gimple stmt for the masking conversion.
1861
1862 2009-05-06 Janis Johnson <janis187@us.ibm.com>
1863
1864 PR middle-end/39986
1865 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
1866 decode_decimal64, encode_decimal128, decode_decimal128): Avoid
1867 32-bit memcpy into long.
1868
1869 2009-05-06 Jakub Jelinek <jakub@redhat.com>
1870
1871 * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
1872 (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
1873 new_reg_loc_descr.
1874 (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
1875 instead of appending DW_OP_deref*.
1876
1877 2009-05-06 Michael Matz <matz@suse.de>
1878
1879 PR middle-end/40021
1880 * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
1881 (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
1882
1883 2009-05-06 Rafael Avila de Espindola <espindola@google.com>
1884
1885 * Makefile.in (install-plugin): Fix srcdir handling.
1886
1887 2009-05-06 Andrey Belevantsev <abel@ispras.ru>
1888
1889 * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
1890 when processing for not_regs_needed bitmap.
1891 * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
1892 handle TARGET_MEM_REF in lhs. Check TMR_BASE for NULL while
1893 handling it for rhs.
1894
1895 2009-05-06 H.J. Lu <hongjiu.lu@intel.com>
1896
1897 * config/i386/i386.md (unnamed inc/dec peephole): Use
1898 optimize_insn_for_size_p instead of optimize_size.
1899 * config/i386/predicates.md (incdec_operand): Likewise.
1900 (aligned_operand): Likewise.
1901 * config/i386/sse.md (divv8sf3): Likewise.
1902 (sqrtv8sf2): Likewise.
1903
1904 2009-05-06 H.J. Lu <hongjiu.lu@intel.com>
1905
1906 * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
1907
1908 * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
1909
1910 2009-05-06 H.J. Lu <hongjiu.lu@intel.com>
1911
1912 * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
1913 ssemodesuffixf2c with avxmodesuffixf2c.
1914
1915 2009-05-06 Joseph Myers <joseph@codesourcery.com>
1916
1917 PR c/40032
1918 * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
1919
1920 2009-05-05 Jakub Jelinek <jakub@redhat.com>
1921
1922 * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
1923 (struct tree_base): Adjust spacing for 8 bit boundaries.
1924 (struct tree_decl_common): Add decl_by_reference_flag bit.
1925 (DECL_BY_REFERENCE): Adjust.
1926 * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
1927 print DECL_BY_REFERENCE bit.
1928 * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
1929 * dwarf2out.c (loc_by_reference, gen_decl_die): Check
1930 DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
1931 (gen_variable_die): Likewise. Check TREE_PRIVATE/TREE_PROTECTED
1932 unconditionally.
1933
1934 PR middle-end/39666
1935 * gimplify.c (gimplify_switch_expr): If case labels cover the whole
1936 range of the type, but default label is missing, add it with one
1937 of the existing labels instead of adding a new label for it.
1938
1939 2009-05-05 Joseph Myers <joseph@codesourcery.com>
1940
1941 * dwarf.h: Remove.
1942
1943 2009-05-05 Rafael Avila de Espindola <espindola@google.com>
1944
1945 * Makefile.in (enable_plugin, plugin_includedir): New.
1946 (install): Depend on install-plugin.
1947 (PLUGIN_HEADERS): New.
1948 (install-plugin): New.
1949 * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
1950
1951 2009-05-05 Richard Guenther <rguenther@suse.de>
1952
1953 PR tree-optimization/40022
1954 * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
1955 the only vuse.
1956 (phivn_valid_p): Fix tuplification error, simplify.
1957 (phiprop_insert_phi): Add dumps.
1958 (propagate_with_phi): Simplify.
1959
1960 2009-05-05 Richard Guenther <rguenther@suse.de>
1961
1962 PR middle-end/40023
1963 * builtins.c (gimplify_va_arg_expr): Properly build the address.
1964
1965 2009-05-05 Shujing Zhao <pearly.zhao@oracle.com>
1966
1967 * tree.h (strip_float_extensions): Remove duplicate declaration.
1968 (build_low_bits_mask, debug_fold_checksum, expand_function_end,
1969 expand_function_start, stack_protect_prologue, stack_protect_epilogue,
1970 block_ultimate_origin): Rearrange the declarations line to match the
1971 comment that indicates the .c file which the functions are defined.
1972 (dwarf2out_*, set_decl_rtl): Add comment.
1973 (get_base_address): Adjust comment.
1974 (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
1975 declarations line and add comment.
1976 (is_builtin_name): Add blank after function name, for clarity.
1977
1978 2009-05-04 Joseph Myers <joseph@codesourcery.com>
1979
1980 * attribs.c (decl_attributes): Use %qE for identifiers in
1981 diagnostics.
1982 * cgraphunit.c (verify_cgraph_node): Translate function names to
1983 locale character set in diagnostics.
1984 * coverage.c (get_coverage_counts): Use %qE for identifiers in
1985 diagnostics.
1986 * doc/invoke.texi (-finstrument-functions-exclude-function-list):
1987 Document that functions are named in UTF-8.
1988 * expr.c (expand_expr_real_1): Translate function names to locale
1989 character set in diagnostics.
1990 * gimplify.c (omp_notice_variable, omp_is_private,
1991 gimplify_scan_omp_clauses): Use %qE for identifiers in
1992 diagnostics.
1993 * langhooks.c (lhd_print_error_function): Translate function names
1994 to locale character set.
1995 * langhooks.h (decl_printable_name): Document that return value is
1996 in internal character set.
1997 * stmt.c: Include pretty-print.h
1998 (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
1999 diagnostics.
2000 (resolve_operand_name_1): Translate named operand name to locale
2001 character set.
2002 * stor-layout.c (finalize_record_size): Use %qE for identifiers in
2003 diagnostics.
2004 * toplev.c (announce_function): Translate function names to locale
2005 character set.
2006 (warn_deprecated_use): Use %qE for identifiers in diagnostics.
2007 (default_tree_printer): Use pp_identifier or translate identifiers
2008 to locale character set. Mark "<anonymous>" for translation.
2009 * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
2010 for identifiers in diagnostics.
2011 * tree.c (handle_dll_attribute): Use %qE for identifiers in
2012 diagnostics.
2013 * varasm.c (output_constructor): Use %qE for identifiers in
2014 diagnostics.
2015
2016 2009-05-04 Rafael Avila de Espindola <espindola@google.com>
2017
2018 * configure.ac: use ` ` instead of $()
2019 * configure: Regenerate.
2020
2021 2009-05-05 Ben Elliston <bje@au.ibm.com>
2022
2023 * config/pa/linux-atomic.c: Eliminate conditional include of
2024 errno.h on non-LP64 systems to simplify build requirements.
2025
2026 2009-05-04 Joseph Myers <joseph@codesourcery.com>
2027
2028 * c-common.c (handle_mode_attribute): Use %qE for identifiers in
2029 diagnostics.
2030 * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
2031 and pass value to identifier_to_locale.
2032 (warn_variable_length_array): Make name a tree.
2033 (grokdeclarator): Separate diagnostic texts for named and unnamed
2034 declarators. Use %qE for named declarators.
2035 * c-parser.c (c_lex_one_token): Use %qE for identifiers in
2036 diagnostics.
2037 * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
2038 identifiers in diagnostics.
2039 * c-typeck.c (push_member_name, start_init): Pass identifiers to
2040 identifier_to_locale. Mark "anonymous" strings for translation.
2041
2042 2009-05-04 Michael Eager <eager@eagercon.com>
2043
2044 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
2045 address for DImode/DFmode only if double-precision FP regs.
2046
2047 2009-05-04 Michael Eager <eager@eagercon.com>
2048
2049 * config/rs6000/rs6000.c (rs6000_libcall_value): Add
2050 TARGET_SINGLE_FLOAT check.
2051
2052 2009-05-04 Michael Eager <eager@eagercon.com>
2053
2054 * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
2055
2056 2009-05-04 Michael Eager <eager@eagercon.com>
2057
2058 * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
2059 * config/rs6000/t-xilinx: New
2060
2061 2009-05-04 Paolo Bonzini <bonzini@gnu.org>
2062
2063 * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
2064 * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
2065 * gcc/explow.c (memory_address): Use target hook.
2066 * gcc/targhooks.c (default_legitimize_address): New.
2067 * gcc/targhooks.h (default_legitimize_address): New.
2068 * gcc/target.h (legitimize_address): New.
2069 * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
2070 (TARGET_INITIALIZER): Include it.
2071 * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
2072
2073 * config/bfin/bfin-protos.h (legitimize_address): Remove.
2074 * config/bfin/bfin.c (legitimize_address): Remove.
2075 * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
2076 * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
2077 Remove.
2078 * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
2079 * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
2080
2081 * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
2082 THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
2083 * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
2084 * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
2085 * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
2086 * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
2087 * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
2088 * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
2089 * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
2090 * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
2091 * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
2092 * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
2093 * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
2094 * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
2095 * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
2096 * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
2097 * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
2098 * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
2099 * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
2100 * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
2101 * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
2102 * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
2103 * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
2104
2105 * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
2106 * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
2107 * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
2108 * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
2109 * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
2110 * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
2111 * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
2112 * gcc/config/arm/arm-protos.h (arm_legitimize_address,
2113 (thumb_legitimize_address): Delete.
2114 * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
2115 * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
2116 * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
2117 * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
2118 * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
2119 * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
2120 Delete.
2121 * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
2122 Delete.
2123
2124 * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
2125 * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
2126 * config/m32r/m32r.c (m32r_legitimize_address): New.
2127 * config/m68k/m68k.c (m68k_legitimize_address): New.
2128 * config/score/score.c (score_legitimize_address): Standardize.
2129 * config/score/score3.c (score3_legitimize_address): Standardize.
2130 * config/score/score3.h (score3_legitimize_address): Adjust.
2131 * config/score/score7.c (score7_legitimize_address): Standardize.
2132 * config/score/score7.h (score7_legitimize_address): Adjust.
2133 * config/sh/sh.c (sh_legitimize_address): New.
2134 * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
2135
2136 * gcc/config/s390/s390.c (legitimize_address): Rename to...
2137 (s390_legitimize_address): ... this.
2138 * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
2139 (sparc_legitimize_address): ... this.
2140 * gcc/config/i386/i386.c (legitimize_address): Rename to...
2141 (ix86_legitimize_address): ... this.
2142 * gcc/config/avr/avr.c (legitimize_address): Rename to...
2143 (avr_legitimize_address): ... this.
2144 * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
2145 (mn10300_legitimize_address): ... this.
2146 * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
2147 (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
2148 (alpha_expand_mov): Adjust call.
2149
2150 * config/frv/frv.c (frv_legitimize_address): Return x on failure.
2151 * config/spu/spu.c (spu_legitimize_address): Likewise.
2152 * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
2153 * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
2154
2155 2009-05-04 Joseph Myers <joseph@codesourcery.com>
2156
2157 * intl.c (locale_encoding, locale_utf8): New.
2158 (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
2159 * intl.h (locale_encoding, locale_utf8): Declare.
2160 * pretty-print.c: Include ggc.h. Include iconv.h if HAVE_ICONV.
2161 (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
2162 New.
2163 * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
2164 argument.
2165 (pp_tree_identifier): Define to call pp_base_tree_identifier.
2166 (pp_base_tree_identifier): Declare as function.
2167 (identifier_to_locale): Declare.
2168 * Makefile.in (pretty-print.o): Update dependencies.
2169 * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
2170
2171 2009-05-04 Richard Guenther <rguenther@suse.de>
2172
2173 PR middle-end/40015
2174 * builtins.c (fold_builtin_memory_op): Do not decay to element
2175 type if the size matches the whole array.
2176
2177 2009-05-04 Kazu Hirata <kazu@codesourcery.com>
2178
2179 * expmed.c (synth_mult): When trying out a shift, pass the result
2180 of a signed shift.
2181
2182 2009-05-04 Kazu Hirata <kazu@codesourcery.com>
2183
2184 * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
2185 (shiftsub1_cost): New.
2186 (init_expmed): Compute shiftsub1_cost.
2187 (synth_mult): Optimize multiplications by constants of the form
2188 -(2^^m-1) for some constant positive integer m.
2189
2190 2009-05-03 Richard Guenther <rguenther@suse.de>
2191
2192 PR c/39983
2193 * c-typeck.c (array_to_pointer_conversion): Do not built
2194 ADDR_EXPRs of arrays of pointer-to-element type.
2195 * c-gimplify.c (c_gimplify_expr): Revert change fixing
2196 up wrong ADDR_EXPRs after-the-fact.
2197 * c-common.c (strict_aliasing_warning): Strip pointer
2198 conversions for obtaining the original type.
2199 * builtins.c (fold_builtin_memset): Handle array types.
2200 (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
2201 and array types
2202
2203 2009-05-03 Richard Guenther <rguenther@suse.de>
2204
2205 PR middle-end/23329
2206 * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
2207 Do not lose casts from array types with unknown extent to array
2208 types with known extent.
2209 * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
2210 alias set compatibility.
2211
2212 2009-05-03 Manuel López-Ibáñez <manu@gcc.gnu.org>
2213
2214 * flags.h (extra_warnings): Delete.
2215 * toplev.c (process_options): Handle Wuninitialized here.
2216 * opts.c (extra_warnings): Delete.
2217 (set_Wextra): Delete.
2218 (common_handle_option): -Wextra can be handled automatically.
2219 * c-opts.c (c_common_handle_option): Delete obsolete code.
2220 (c_common_post_options): Simplify comment.
2221 * common.opt (W): Add Var.
2222 (Wextra): Add Var.
2223 (Wuninitialized): Initialize to -1.
2224
2225 2009-05-03 Adam Nemet <anemet@caviumnetworks.com>
2226 Richard Guenther <rguenther@suse.de>
2227
2228 * expr.c (get_def_for_expr): New function.
2229 (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
2230 SSA rather than trees.
2231 <MULT_EXPR>: Likewise. Use subexp0 and subexp1 instead of
2232 TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
2233
2234 2009-05-03 Joseph Myers <joseph@codesourcery.com>
2235
2236 * c-common.c (reswords): Add _Imaginary.
2237 * c-common.c (enum rid): Add RID_IMAGINARY.
2238
2239 2009-05-03 Paolo Bonzini <bonzini@gnu.org>
2240
2241 * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
2242 Patch by Richard Guenther.
2243
2244 2009-05-03 Anatoly Sokolov <aesok@post.ru>
2245
2246 * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
2247 * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
2248 * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
2249 * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
2250 * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
2251 * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
2252 * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
2253 * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
2254 * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
2255 * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
2256 * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
2257 * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
2258 * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
2259 * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
2260 * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
2261 * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
2262 * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
2263 * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
2264
2265 2009-05-02 Richard Guenther <rguenther@suse.de>
2266
2267 PR tree-optimization/39940
2268 * tree-ssa-pre.c (eliminate): Make sure we may propagate before
2269 doing so.
2270
2271 2009-05-02 Richard Guenther <rguenther@suse.de>
2272
2273 PR middle-end/40001
2274 * tree-ssa.c (execute_update_addresses_taken): Properly check
2275 if we can mark a variable DECL_GIMPLE_REG_P.
2276 * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
2277 back to the end of the function.
2278 (is_gimple_reg_type): Remove complex type special casing.
2279 * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
2280 if not optimizing.
2281
2282 2009-05-02 Ben Elliston <bje@au.ibm.com>
2283
2284 * doc/collect2.texi (Collect2): Document search path behaviour
2285 when configured with --with-ld.
2286
2287 2009-05-02 Jan Hubicka <jh@suse.cz>
2288
2289 * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
2290 parameter; update callers.
2291 (coalesce_cost_edge): EH edges are costier because they needs
2292 splitting even if not critical and even more costier when there are
2293 multiple EH predecestors.
2294
2295 2009-05-02 Jan Hubicka <jh@suse.cz>
2296
2297 * except.c (remove_eh_handler_and_replace): Handle updating after
2298 removing TRY blocks.
2299
2300 2009-05-02 Eric Botcazou <ebotcazou@adacore.com>
2301
2302 * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
2303
2304 2009-05-02 Steven Bosscher <steven@gcc.gnu.org>
2305
2306 * varasm.c: Do not include c-pragma.h.
2307 * attribs.c: Do not incude c-common.h.
2308
2309 2009-05-01 Michael Matz <matz@suse.de>
2310
2311 * calls.c (initialize_argument_information): Handle SSA names like
2312 decls with a non MEM_P DECL_RTL.
2313
2314 2009-05-01 Steven Bosscher <steven@gcc.gnu.org>
2315
2316 * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
2317 * ipa-utils.c: Likewise.
2318 * ipa-type-escape.c: Likewise.
2319 * cgraphunit.c Do not include c-common.h.
2320 * ipa-pure-const.c: Likewise.
2321 * tree-if-conv.c: Likewise.
2322 * matrix-reorg.c: Do not include c-common.h and c-tree.h.
2323 * ipa-struct-reorg.c: Likewise.
2324 * tree-nomudflap.c: Likewise.
2325 * tree-ssa-structalias.c: Likewise.
2326
2327 2009-05-01 Steven Bosscher <steven@gcc.gnu.org>
2328
2329 * store-motion.c: Many cleanups to make this pass a first-class
2330 citizen instead of an appendix to gcse load motion. Add TODO list
2331 to make this pass faster/cleaner/better.
2332
2333 (struct ls_expr): Post gcse.c-split cleanups.
2334 Rename to st_expr. Rename "loads" field to "antic_stores". Rename
2335 "stores" field to "avail_stores".
2336 (pre_ldst_mems): Rename to store_motion_mems.
2337 (pre_ldst_table): Rename to store_motion_mems_table.
2338 (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
2339 (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
2340 (ldst_entry): Rename to st_expr_entry, update users.
2341 (free_ldst_entry): Rename to free_st_expr_entry, update users.
2342 (free_ldst_mems): Rename to free_store_motion_mems, update users.
2343 (enumerate_ldsts): Rename to enumerate_store_motion_mems,
2344 update caller.
2345 (first_ls_expr): Rename to first_st_expr, update users.
2346 (next_ls_expr): Rename to next_st_expr, update users.
2347 (print_ldst_list): Rename to print_store_motion_mems. Print names of
2348 fields properly for store motion instead of names inherited from load
2349 motion in gcse.c.
2350 (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
2351 (LAST_AVAIL_CHECK_FAILURE): Explain what this is. Undefine when we
2352 are done with it.
2353
2354 (ae_kill): Rename to st_kill, update users.
2355 (ae_gen): Rename to st_avloc, update users.
2356 (transp): Rename to st_transp, update users.
2357 (pre_insert_map): Rename to st_insert_map, update users.
2358 (pre_delete_map): Rename to st_delete_map, update users.
2359 (insert_store, build_store_vectors, free_store_memory,
2360 one_store_motion_pass): Update for abovementioned changes.
2361
2362 (gcse_subst_count, gcse_create_count): Remove.
2363 (one_store_motion_pass): New statistics counters "n_stores_deleted"
2364 and "n_stores_created", local variables.
2365
2366 (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
2367 use for_each_rtx.
2368
2369 (regvec, compute_store_table_current_insn): Remove.
2370 (reg_set_info, reg_clear_last_set): Remove.
2371 (compute_store_table): Use DF caches instead of local dataflow
2372 solvers.
2373
2374 2009-05-01 Joseph Myers <joseph@codesourcery.com>
2375
2376 * c-objc-common.c (c_tree_printer): Print identifiers with
2377 pp_identifier, not pp_string. Mark "({anonymous})" for
2378 translation.
2379 * c-pretty-print.c (pp_c_ws_string): New.
2380 (pp_c_cv_qualifier, pp_c_type_specifier,
2381 pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
2382 pp_c_storage_class_specifier, pp_c_function_specifier,
2383 pp_c_attributes, pp_c_bool_constant, pp_c_constant,
2384 pp_c_primary_expression, pp_c_postfix_expression,
2385 pp_c_unary_expression, pp_c_shift_expression,
2386 pp_c_relational_expression, pp_c_equality_expression,
2387 pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
2388 use pp_string and pp_c_ws_string in place of pp_identifier and
2389 pp_c_identifier for non-identifiers. Mark English strings for
2390 translation.
2391 * c-pretty-print.h (pp_c_ws_string): Declare.
2392
2393 2009-04-30 Paul Pluzhnikov <ppluzhnikov@google.com>
2394 Roland McGrath <roland@redhat.com>
2395
2396 * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
2397 (ENABLE_LD_BUILDID): New configuration option.
2398 * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
2399 (LINK_BUILDID_SPEC): New macro.
2400 (init_spec): If defined, prepend it between LINK_EH_SPEC and
2401 link_spec.
2402 * doc/install.texi: Document --enable-linker-build-id option.
2403 * configure: Rebuild.
2404 * config.in: Rebuild.
2405
2406 2009-04-30 Adam Nemet <anemet@caviumnetworks.com>
2407
2408 * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
2409 MIPS_GP_SAVE_AREA_SIZE): Define new macros.
2410 (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD. Use
2411 MIPS_GP_SAVE_AREA_SIZE.
2412 * config/mips/mips.c (struct mips_frame_info): Update comment
2413 before arg_pointer_offset and hard_frame_pointer_offset.
2414 (mips_compute_frame_info): Update diagram before function: to
2415 correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
2416 indicate the position of frame_pointer_rtx with -fstack-protector and
2417 to show args_size. Don't allocate cprestore area for leaf functions
2418 if FRAME_GROWS_DOWNWARD. Use MIPS_GP_SAVE_AREA_SIZE to set
2419 cprestore_size.
2420 (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
2421
2422 2009-04-30 Michael Matz <matz@suse.de>
2423
2424 PR tree-optimization/39955
2425 * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
2426
2427 2009-04-30 Dave Korn <dave.korn.cygwin@gmail.com>
2428
2429 * ira.c (setup_cover_and_important_classes): Use safe macro
2430 REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
2431 directly.
2432 * genpreds.c (write_tm_preds_h): Output suitable definition of
2433 REG_CLASS_FOR_CONSTRAINT.
2434
2435 2009-04-30 Rafael Avila de Espindola <espindola@google.com>
2436
2437 * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
2438 instead of an int.
2439 * bitmap.c (bitmap_descriptor): Likewise.
2440 * ggc-common.c (loc_descriptor): Likewise.
2441 * varray.c (varray_descriptor): Likewise.
2442 * vec.c (vec_descriptor): Likewise.
2443
2444 2009-04-30 Eric Botcazou <ebotcazou@adacore.com>
2445
2446 * Makefile.in (dce.o): Add $(EXCEPT_H).
2447 * dce.c: Include except.h and delete redundant vector definitions.
2448 (deletable_insn_p): Return false for non-call insns that can throw
2449 if DF is running.
2450
2451 2009-04-30 Steven Bosscher <steven@gcc.gnu.org>
2452
2453 * gcse.c (ae_gen): Remove.
2454 (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
2455 and make non-static function to make it available in store-motion.c.
2456 Update call sites with search-and-replace.
2457 (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
2458 extract_mentioned_regs, extract_mentioned_regs_helper,
2459 find_moveable_store, compute_store_table, load_kills_store, find_loads,
2460 store_killed_in_insn, store_killed_after, store_killed_before,
2461 build_store_vectors, insert_insn_start_basic_block, insert-store,
2462 remove_reachable_equiv_notes, replace_store_insn, delete_store,
2463 free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
2464 execute_rtl_store_motion, pass_rtl_store_motion): Move to...
2465 * store-motion.c: ...new file. Also copy data structures from gcse.c
2466 and clean up to remove parts not used by store motion.
2467 * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
2468 * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
2469
2470 2009-04-30 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2471
2472 PR target/38571
2473 * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
2474 when optimizing for size.
2475
2476 2009-04-30 Hans-Peter Nilsson <hp@axis.com>
2477
2478 * gcse.c (gcse_constant_p): Fix typo in last change.
2479
2480 2009-04-30 Rafael Avila de Espindola <espindola@google.com>
2481
2482 * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
2483
2484 2009-04-30 Andreas Krebbel <krebbel1@de.ibm.com>
2485
2486 * gcse.c (gcse_constant_p): Make sure the constant is sharable.
2487
2488 2009-04-29 James E. Wilson <wilson@codesourcery.com>
2489
2490 * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
2491 CONST_HIGH_PART result.
2492
2493 2009-04-29 Anatoly Sokolov <aesok@post.ru>
2494
2495 * config/avr/avr.c (initial_elimination_offset): Rename to
2496 avr_initial_elimination_offset.
2497 (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
2498 change return type to bool.
2499 (avr_can_eliminate): New function.
2500 * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
2501 (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
2502 (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
2503 * config/avr/avr-protos.h (initial_elimination_offset): Rename to
2504 avr_initial_elimination_offset.
2505 (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
2506 (avr_initial_elimination_offset): Define.
2507
2508 2009-04-29 Eric Botcazou <ebotcazou@adacore.com>
2509 Steven Bosscher <steven@gcc.gnu.org>
2510
2511 PR rtl-optimization/39938
2512 * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
2513 * cfgrtl.c: Include insn-attr.h.
2514 (rest_of_pass_free_cfg): New function.
2515 (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2516 * resource.c (init_resource_info): Remove call to df_analyze.
2517
2518 2009-04-29 Richard Guenther <rguenther@suse.de>
2519
2520 PR target/39943
2521 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
2522 allow conversion to signed integers.
2523
2524 2009-04-29 Richard Guenther <rguenther@suse.de>
2525
2526 * tree-cfg.c (verify_gimple_assign_binary): Allow vector
2527 shifts of floating point vectors if the shift amount is
2528 a constant multiple of the element size.
2529
2530 2009-04-29 Andreas Krebbel <krebbel1@de.ibm.com>
2531 Michael Matz <matz@suse.de>
2532
2533 PR middle-end/39927
2534 PR bootstrap/39929
2535 * tree-outof-ssa.c (emit_partition_copy): New function.
2536 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2537 insert_part_to_rtx_on_edge): Perform the partition base var
2538 copy using emit_partition_copy.
2539 (insert_value_copy_on_edge): Convert constants to the right mode.
2540 (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
2541 (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
2542
2543 2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
2544
2545 * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
2546 scan backwards to try to find a constant to initialize it.
2547
2548 * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
2549 insn before the loop_end instruction, don't look past labels.
2550
2551 2009-04-29 Richard Guenther <rguenther@suse.de>
2552
2553 PR middle-end/39937
2554 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2555 loose type conversions.
2556 (forward_propagate_addr_expr): Fix tuplification bug. Remove
2557 stmts only if there are no uses of its definition.
2558
2559 2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
2560
2561 * config/bfin/bfin.h (splitting_loops): Declare.
2562 * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
2563 Reorder bit definitions to be ascending.
2564 (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
2565 * config/bfin/bfin.c (splitting_loops): New variable.
2566 (bfin_cpus): Add WA_LOAD_LCREGS as needed.
2567 (struct loop_info): Remove members INIT and LOOP_INIT.
2568 (bfin_optimize_loop): Don't set them. Reorder the code that generates
2569 the LSETUP sequence. Allow LC to be loaded from any register, but
2570 also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
2571 (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
2572 set to 1.
2573 * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
2574 of reload_completed.
2575
2576 From Jie Zhang:
2577 * config/bfin/bfin.md (movsi_insn): Refine constraints.
2578
2579 2009-04-29 Rafael Avila de Espindola <espindola@google.com>
2580
2581 * Makefile.in (PLUGIN_VERSION_H): New.
2582 (OBJS-common): Remove plugin-version.o.
2583 (plugin.o): Depend on (PLUGIN_VERSION_H).
2584 (plugin-version.o): Remove.
2585 * configure: Regenerate
2586 * configure.ac: Create plugin-version.h.
2587 * gcc-plugin.h (plugin_gcc_version): Remove.
2588 (plugin_default_version_check): Change signature.
2589 * plugin-version.c: Remove.
2590 * plugin.c: Include plugin-version.h.
2591 (str_plugin_gcc_version_name): Remove.
2592 (try_init_one_plugin): Pass gcc version to plugin_init.
2593 (plugin_default_version_check): Both gcc and plugin versions are now
2594 arguments.
2595
2596 2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
2597
2598 * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
2599 problematic last insns. Test for TYPE_CALL rather than CALL_P.
2600 Remove special case testing for last insn of inner loops. Don't fail
2601 if the loop ends with a jump, emit an extra nop instead.
2602
2603 * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
2604 DREGS rather than comparing directly. Remove code that tries to
2605 account for latencies.
2606
2607 2009-04-29 Richard Guenther <rguenther@suse.de>
2608
2609 PR tree-optimization/39941
2610 * tree-ssa-pre.c (eliminate): Schedule update-ssa after
2611 eliminating an indirect call.
2612
2613 2009-04-29 Richard Guenther <rguenther@suse.de>
2614
2615 * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
2616 parameter. Allow invariants as base if !require_lvalue.
2617 (verify_gimple_assign_single): Adjust.
2618
2619 2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
2620
2621 * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
2622 (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
2623 ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
2624 ssubhi3, ssaddhi3_parts and sssubhi3_parts.
2625 (flag_mulhi3_parts): Produce a HImode output rather than trying to set
2626 a VEC_SELECT.
2627 * config/bfin/bfin.c (bfin_expand_builtin,
2628 case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
2629
2630 2009-04-28 Richard Guenther <rguenther@suse.de>
2631
2632 * tree-vect-loop.c (get_initial_def_for_induction): Use
2633 correct types for pointer increment.
2634
2635 2009-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2636
2637 * toplev.c (print_version): Update GMP version string calculation.
2638
2639 2009-04-28 Eric Botcazou <ebotcazou@adacore.com>
2640
2641 PR rtl-optimization/39938
2642 * resource.c (init_resource_info): Add call to df_analyze.
2643
2644 2009-04-28 Uros Bizjak <ubizjak@gmail.com>
2645
2646 * config/alpha/alpha.md (usegp): Cast the result of
2647 alpha_find_lo_sum_using_gp to enum attr_usegp.
2648 * config/alpha/alpha.c (override_options): Remove end-of-structure
2649 marker element from cpu_table. Use array size of cpu_table to handle
2650 -mcpu and -mtune options.
2651 (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
2652
2653 2009-04-28 Joseph Myers <joseph@codesourcery.com>
2654
2655 * config.gcc (powerpc*-*-* | rs6000-*-*): Add
2656 rs6000/option-defaults.h to tm_file. Support cpu_32, cpu_64,
2657 tune_32 and tune_64.
2658 * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
2659 support on PowerPC.
2660 * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
2661 * config/rs6000/option-defaults.h: ... here. New file.
2662 (OPT_64, OPT_32): Define.
2663 (MASK_64BIT): Define to 0 if not already defined.
2664 (OPT_ARCH64, OPT_ARCH32): Define.
2665 (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
2666 and tune_64.
2667
2668 2009-04-28 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2669
2670 * config/arm/arm.c (arm_override_options): Emit error on using
2671 fpa with AAPCS.
2672
2673 2009-04-28 Uros Bizjak <ubizjak@gmail.com>
2674
2675 PR rtl-optimization/39914
2676 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2677 registers for allocnos created from user-defined variables only
2678 when not optimizing.
2679
2680 2009-04-28 Richard Guenther <rguenther@suse.de>
2681
2682 PR middle-end/39937
2683 * fold-const.c (fold_binary): Use distribute_real_division only
2684 on float types.
2685
2686 2009-04-28 Steve Ellcey <sje@cup.hp.com>
2687
2688 * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
2689 add hpux-stdint.h to tm_file.
2690 (hppa[12]*-*-hpux11*): Ditto.
2691 (ia64*-*-hpux*): Ditto.
2692 * config/hpux-stdint.h: New.
2693 * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
2694 __STDC_EXT__ for all compiles.
2695 * config/pa/pa-hpux.h: Ditto.
2696 * config/pa/pa-hpux10.h: Ditto.
2697 * config/pa/pa-hpux11.h: Ditto.
2698
2699 2009-04-28 Catherine Moore <clm@codesourcery.com>
2700
2701 * debug.h (set_name): Add comment.
2702
2703 2009-04-28 Andrew Pinski <pinskia@gmail.com>
2704
2705 PR target/39929
2706 * config/darwin.c (machopic_gen_offset): Check
2707 currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
2708 * config/arm/arm.c (require_pic_register): Likewise.
2709
2710 2009-04-28 Paolo Bonzini <bonzini@gnu.org>
2711
2712 * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
2713 m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
2714 m32c_promote_prototypes): Delete.
2715
2716 2009-04-28 Michael Matz <matz@suse.de>
2717
2718 PR middle-end/39922
2719 * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
2720 constants.
2721
2722 2009-04-28 Richard Guenther <rguenther@suse.de>
2723
2724 * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
2725
2726 2009-04-28 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2727
2728 * config/arm/arm-cores.def: Add support for arm1156t2f-s.
2729 * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
2730 * config/arm/arm-tune.md: Regenerate.
2731
2732 2009-04-28 Alexander Monakov <amonakov@ispras.ru>
2733
2734 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
2735 block if there are complex incoming edges.
2736 (sel_merge_blocks): Remove useless assert.
2737 (sel_redirect_edge_and_branch): Check that edge was redirected.
2738 * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
2739 (sel_find_rgns): Delete declaration.
2740 * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
2741 the region when it is not a preheader.
2742
2743 2009-04-28 Uros Bizjak <ubizjak@gmail.com>
2744
2745 PR c/39323
2746 * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
2747
2748 2009-04-28 Richard Guenther <rguenther@suse.de>
2749
2750 * tree.h (SSA_NAME_VALUE): Remove.
2751 (struct tree_ssa_name): Remove value_handle member.
2752 * tree-vrp.c (execute_vrp): Initialize/free the value-handle
2753 array for jump threading.
2754 * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
2755 SSA_NAME_VALUEs.
2756 * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
2757 * tree-flow.h (threadedge_initialize_values): Declare.
2758 (threadedge_finalize_values): Likewise.
2759 * tree-ssa-threadedge.c (ssa_name_values): New global variable.
2760 (SSA_NAME_VALUE): Define.
2761 (threadedge_initialize_values): New function.
2762 (threadedge_finalize_values): Likewise.
2763 * tree-ssa-dom.c (ssa_name_values): New global variable.
2764 (SSA_NAME_VALUE): Define.
2765 (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
2766
2767 2009-04-28 Ira Rosen <irar@il.ibm.com>
2768
2769 * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
2770 Use REPORT_VECTORIZED_LOCATIONS instead
2771 REPORT_VECTORIZED_LOOPS.
2772 * tree-vectorizer.c (vect_verbosity_level): Make static.
2773 (vect_loop_location): Rename to vect_location.
2774 (vect_set_verbosity_level): Update comment.
2775 (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
2776 and vect_location.
2777 (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
2778 and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
2779 instead REPORT_UNVECTORIZED_LOOPS.
2780 * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
2781 and vect_loop_def to vect_external_def and vect_internal_def.
2782 (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
2783 and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
2784 REPORT_UNVECTORIZED_LOCATIONS.
2785 (enum vect_relevant): Update comment. Rename vect_unused_in_loop
2786 and vect_used_in_loop and to vect_unused_in_scope and
2787 vect_used_in_scope.
2788 (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
2789 (vect_verbosity_level): Remove declaration.
2790 (vect_analyze_operations): Likewise.
2791 (vect_analyze_stmt): Declare.
2792 * tree-vect-loop.c (vect_determine_vectorization_factor): Use
2793 REPORT_UNVECTORIZED_LOCATIONS.
2794 (vect_get_loop_niters): Fix indentation.
2795 (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
2796 (vect_analyze_loop_operations): New function.
2797 (vect_analyze_loop): Call vect_analyze_loop_operations instead of
2798 vect_analyze_operations.
2799 (vect_is_simple_reduction): Use new names.
2800 (vectorizable_live_operation, vect_transform_loop): Likewise.
2801 * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
2802 to specify whether the data references can be a part of interleaving
2803 chain.
2804 (vect_analyze_data_ref_dependence): Use new names.
2805 (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
2806 (vect_create_addr_base_for_vector_ref): Remove redundant code.
2807 * tree-vect-patterns.c (widened_name_p): Use new names.
2808 (vect_recog_dot_prod_pattern): Likewise.
2809 * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
2810 (process_use, vect_mark_stmts_to_be_vectorized,
2811 vect_model_simple_cost, vect_model_store_cost,
2812 vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
2813 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2814 vectorizable_operation, vectorizable_type_demotion,
2815 vectorizable_type_promotion, vectorizable_store, vectorizable_load,
2816 vectorizable_condition): Likewise.
2817 (vect_analyze_operations): Split into vect_analyze_loop_operations
2818 and ...
2819 (vect_analyze_stmt): ... new function.
2820 (new_stmt_vec_info): Use new names.
2821 (vect_is_simple_use): Use new names and fix comment.
2822 * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
2823 (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
2824
2825 2009-04-28 Uros Bizjak <ubizjak@gmail.com>
2826
2827 PR target/39911
2828 * config/i386/i386.c (print_operand) ['Z']: Handle floating point
2829 and integer modes for x87 operands. Do not ICE for unsupported size,
2830 generate error instead. Generate error for unsupported operand types.
2831 ['z']: Do not handle HImode memory operands specially. Warning
2832 for floating-point operands. Fallthru to 'Z' for unsupported operand
2833 types. Do not ICE for unsupported size, generate error instead.
2834 (output_387_binary_op): Use %Z to output operands.
2835 (output_fp_compare): Ditto.
2836 (output_387_reg_move): Ditto.
2837
2838 2009-04-28 Ben Elliston <bje@au.ibm.com>
2839
2840 PR c++/35652
2841 Revert:
2842
2843 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2844
2845 * builtins.c (c_strlen): Do not warn here.
2846 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2847 * c-common.c (pointer_int_sum): Take an explicit location.
2848 Warn about offsets out of bounds.
2849 * c-common.h (pointer_int_sum): Adjust declaration.
2850
2851 2009-04-27 Ian Lance Taylor <iant@google.com>
2852
2853 * collect2.c (is_ctor_dtor): Change type of ret field in struct
2854 names to symkind.
2855 * dce.c (run_fast_df_dce): Change type of old_flags to int.
2856 * df-core.c (df_set_flags): Change return type to int. Change
2857 type of old_flags to int.
2858 (df_clear_flags): Likewise.
2859 * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
2860 (df_get_conditional_uses): Likewise.
2861 * df.h (df_set_flags, df_clear_flags): Update declarations.
2862 * dwarf2out.c (struct indirect_string_node): Change type of form
2863 field to enum dwarf_form.
2864 (AT_string_form): Change return type to enum dwarf_form.
2865 * fixed-value.c (fixed_compare): Add cast to enum type.
2866 * fwprop.c (update_df): Change 0 to VOIDmode.
2867 * gensupport.c: Change 0 to UNKNOWN.
2868 * gimple.h (gimple_cond_code): Add cast to enum type.
2869 * haifa-sched.c (reemit_notes): Add cast to enum type.
2870 * hooks.c (hook_int_void_no_regs): Remove function.
2871 * hooks.h (hook_int_void_no_regs): Remove declaration.
2872 * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
2873 * predict.c (combine_predictions_for_insn): Add casts to enum type.
2874 * real.c (real_arithmetic): Add cast to enum type.
2875 (real_compare): Likewise.
2876 * target.h (struct gcc_target): Change return type of
2877 branch_target_register_class to enum reg_class.
2878 * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
2879 default_branch_target_register_class.
2880 * targhooks.c (default_branch_target_register_class): New function.
2881 * targhooks.h (default_branch_target_register_class): Declare.
2882 * tree-data-ref.c (print_direction_vector): Add cast to enum type.
2883 * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
2884 cast to int.
2885 * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
2886 ERROR_MARK.
2887 * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
2888 vect_uninitialized_def. Change 0 to ERROR_MARK.
2889 * tree-vect-stmts.c (supportable_widening_operation): Don't
2890 initialize icode1 and icode2.
2891 * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
2892 * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
2893 and to STD_C89.
2894 (cmn_err_flag_specs): Change 0 to STD_C89.
2895 (cmn_err_char_table): Likewise.
2896 * config/arm/arm.c (get_arm_condition_code): Change type of code
2897 to enum arm_cond_code.
2898 (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
2899 (IWMMXT_BUILTIN2): Likewise.
2900 (neon_builtin_type_bits): Don't define typedef.
2901 (neon_builtin_datum): Change type of bits field to int.
2902 (arm_expand_neon_args): Add cast to enum type.
2903 * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
2904 TLS_MODEL_NONE.
2905 * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN. Add
2906 casts to enum type.
2907 * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
2908 MIPS_FP_COND_f.
2909 * config/mips/mips.md (jal_macro): Return enum constant.
2910 (single_insn): Likewise.
2911 * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
2912 CODE_FOR_nothing.
2913 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
2914 casts to enum type.
2915 * config/s390/s390.c (s390_tune_flags): Change type to int.
2916 (s390_arch_flags): Likewise.
2917 (s390_handle_arch_option): Change flags field of struct pta to int.
2918 * config/s390/s390.h (s390_tune_flags): Update declaration.
2919 (s390_arch_flags): Likewise.
2920 * config/sh/sh.c (prepare_move_operands): Compare
2921 tls_symbolic_operand result with enum constant.
2922 (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
2923 (sh_expand_prologue): Add cast to enum type.
2924 (sh_expand_epilogue): Likewise.
2925 (tls_symbolic_operand): Change return type to enum tls_model.
2926 (fpscr_set_from_mem): Add cast to enum type.
2927 (legitimize_pic_address): Compare tls_symbolic_operand result with
2928 enum constant.
2929 (sh_target_reg_class): Change return type to enum reg_class.
2930 * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
2931 PROCESSOR_xxx.
2932 * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
2933 * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
2934 * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
2935 (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
2936 (delayed_branch, tls_call_delay): Likewise.
2937 (eligible_for_sibcall_delay): Likewise.
2938 (eligible_for_return_delay): Likewise.
2939 * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
2940 (spu_expand_builtin_1): Likewise.
2941
2942 * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
2943 for all types of conversions.
2944 (output_init_element): Issue -Wc++-compat warning if needed when
2945 initializing a bitfield with enum type.
2946 * c-parser.c (c_parser_expression): Set original_type to
2947 original_type of right hand operand of comman operator.
2948
2949 2009-04-27 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2950
2951 * doc/c-tree.texi (Types, Functions, Expression trees): Fix
2952 grammar nits.
2953 * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
2954 * doc/cpp.texi (Standard Predefined Macros)
2955 (Implementation-defined behavior): Likewise.
2956 * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
2957 * doc/gimple.texi (GIMPLE Exception Handling)
2958 (@code{GIMPLE_ASSIGN}): Likewise.
2959 * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
2960 * doc/invoke.texi (Warning Options, Optimize Options)
2961 (AVR Options, Darwin Options): Likewise.
2962 (Optimize Options): Reformulate -fwhole-program description.
2963 * doc/loop.texi (Lambda): Likewise.
2964 * doc/md.texi (Output Template, Define Constraints)
2965 (Standard Names, Insn Splitting): Likewise.
2966 * doc/options.texi (Option properties): Likewise.
2967 * doc/passes.texi (Tree-SSA passes): Likewise.
2968 * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
2969 * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
2970 (File Names and DBX): Likewise.
2971 * doc/trouble.texi (Incompatibilities): Likewise.
2972
2973 2009-04-27 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2974
2975 * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
2976 instruction is correct.
2977
2978 2009-04-27 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2979
2980 Allow non-constant arguments to conversion intrinsics.
2981 * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
2982 * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
2983 * spu.c (print_operand): Handle 'v' and 'w'.
2984 (exp2_immediate_p, spu_gen_exp2): Define.
2985 * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
2986 spu_convtf_1): Update parameter descriptions.
2987 * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
2988 * constraints.md ('v', 'w'): New.
2989 * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
2990 Remove.
2991 (i2f, I2F): New define_mode_attr.
2992 (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
2993 floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
2994 fixuns_truncv4sfv4si2): Update to use mode attribute.
2995 (float<mode><i2f>2_mul, float<mode><i2f>2_div,
2996 fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
2997 floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
2998 patterns for combine.
2999
3000 2009-04-27 Steven Bosscher <steven@gcc.gnu.org>
3001
3002 * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
3003 (cprop, hoist, pre, store_motion): New debug counters.
3004 * tree-pass.h (pass_tracer): Move to list of gimple passes, it
3005 is not an RTL pass anymore.
3006 (pass_profiling): Remove extern decl for pass removed in 2005.
3007 (pass_gcse, pass_jump_bypass): Remove.
3008 * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
3009 to 0 for clean state.
3010 * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
3011 * cse.c (gate_handle_cse_after_global_opts,
3012 rest_of_handle_cse_after_global_opts): New functions.
3013 (pass_cse_after_global_opts): New pass, does local CSE.
3014 * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
3015 (TV_CPROP): New timevar.
3016 * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
3017 (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
3018 (gcse_main, recompute_all_luids): Remove.
3019 (compute_hash_table_work): Call max_reg_num instead of reading
3020 max_gcse_regno.
3021 (cprop_jump): Don't set run_jump_opt_after_gcse.
3022 (constprop_register): Always allow to alter jumps.
3023 (cprop_insn): Likewise.
3024 (do_local_cprop): Likewise.
3025 (local_cprop_pass): Likewise. Return non-zero if something changed.
3026 (cprop): Remove function, fold interesting bits into one_cprop_pass.
3027 (find_implicit_sets): Add note about missed optimization opportunity.
3028 (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
3029 pass_rtl_cprop execute function.
3030 Don't bother tracking the pass number, each pass gets its own dumpfile
3031 now anyway.
3032 Always allow to alter jumpsand bypass jumps.
3033 (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
3034 will just find no suitable set.
3035 (pre_edge_insert): Fix dumping, this function is for PRE only.
3036 (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
3037 pass_rtl_pre execute function.
3038 (hoist_code): Return non-zero if something changed. Keep track of
3039 substitutions and insertions for statistics gathering similar to PRE.
3040 (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
3041 called from the pass_rtl_hoist execute function. Show pass statistics.
3042 (compute_store_table): Use max_reg_num directly instead of using the
3043 formerly global max_gcse_regno.
3044 (build_store_vectors): Likewise.
3045 (replace_store_insn): Fix dumping.
3046 (store_motion): Rename to ...
3047 (one_store_motion_pass): ... this. Rewrite to be "the" STORE_MOTION
3048 pass, called from the pass_rtl_store_motion execute function. Keep
3049 track of substitutions and insertions for statistics gathering similar
3050 to PRE.
3051 (bypass_jumps): Remove, fold interesting bits into ...
3052 (one_cprop_pass): ... this. Rewrite to be "the" CPROP pass, called
3053 from the pass_rtl_cprop execute function.
3054 (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
3055 pass_jump_bypass): Remove.
3056 (gate_handle_gcse, rest_of_handle_gcse): Remove.
3057 (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
3058 (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
3059 (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
3060 (gate_rtl_store_motion, execute_rtl_store_motion,
3061 pass_rtl_store_motion): New.
3062 * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
3063 make it clear that -fcse-skip-blocks is a no-op for backward compat.
3064 * passes.c (init_optimization_passes): Remove pass_gcse and
3065 pass_jump_bypass. Schedule cprop, pre, hoist, cprop, store_motion,
3066 and cse_after_global_opts in place of pass_gcse. Schedule cprop
3067 instead of pass_jump_bypass.
3068
3069 2009-04-27 Richard Guenther <rguenther@suse.de>
3070
3071 PR middle-end/39928
3072 * gimplify.c (gimplify_expr): If we are required to create
3073 a temporary make sure it ends up as register.
3074
3075 2009-04-27 H.J. Lu <hongjiu.lu@intel.com>
3076
3077 PR target/39903
3078 * config/i386/i386.c (construct_container): Don't call
3079 gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
3080 X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
3081
3082 2009-04-27 Michael Matz <matz@suse.de>
3083
3084 * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
3085 (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
3086 * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
3087 (dump_replaceable_exprs): Take a bitmap.
3088 * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
3089 array.
3090 (expand_gimple_basic_block): Likewise.
3091 * tree-ssa-ter.c (struct temp_expr_table_d): Make
3092 replaceable_expressions member a bitmap.
3093 (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
3094 (mark_replaceable): Likewise.
3095 (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
3096 * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
3097
3098 2009-04-27 Richard Guenther <rguenther@suse.de>
3099
3100 * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
3101 (verify_stmts): Dispatch to gimple/type verification code.
3102 * tree-inline.c (remap_gimple_op_r): Work around C++ FE
3103 issue with call argument types.
3104
3105 2009-04-27 Michael Matz <matz@suse.de>
3106
3107 * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
3108 (init_update_ssa, delete_update_ssa, update_ssa): Remove references
3109 to above.
3110
3111 2009-04-27 Richard Sandiford <rdsandiford@googlemail.com>
3112 Eric Botcazou <ebotcazou@adacore.com>
3113
3114 * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
3115 a label's basic block.
3116 (mark_target_live_regs): Tidy and rework obsolete comments.
3117 Change back DF problem to LIVE. If a label starts a basic block,
3118 assume that all registers that used to be live then still are.
3119 (init_resource_info): If a label starts a basic block, set its
3120 BLOCK_FOR_INSN accordingly.
3121 (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
3122
3123 2009-04-27 Richard Guenther <rguenther@suse.de>
3124
3125 * tree-flow-inline.h (function_ann): Remove.
3126 (get_function_ann): Likewise.
3127 * tree-dfa.c (create_function_ann): Remove.
3128 * tree-flow.h (struct static_var_ann_d): Remove.
3129 (struct function_ann_d): Likewise.
3130 (union tree_ann_d): Remove fdecl member.
3131 (function_ann_t): Remove.
3132 (function_ann, get_function_ann, create_function_ann): Remove
3133 declarations.
3134
3135 2009-04-27 Uros Bizjak <ubizjak@gmail.com>
3136
3137 * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
3138
3139 2009-04-27 Jan Hubicka <jh@suse.cz>
3140
3141 * ipa-pure-const.c (struct funct_state_d): New fields
3142 state_previously_known, looping_previously_known; remove
3143 state_set_in_source.
3144 (analyze_function): Use new fields.
3145 (propagate): Avoid assumption that state_set_in_source imply
3146 nonlooping.
3147
3148 * tree-ssa-loop-niter.c (finite_loop_p): New function.
3149 * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
3150 * cfgloop.h (finite_loop_p): Declare.
3151
3152 2009-04-26 Michael Matz <matz@suse.de>
3153
3154 * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
3155
3156 2009-04-26 Michael Matz <matz@suse.de>
3157
3158 * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
3159 pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
3160 * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
3161 pass_mark_used_blocks): Remove.
3162 * tree-optimize.c (pass_free_datastructures,
3163 execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
3164 * passes.c (init_optimization_passes): Don't call
3165 pass_mark_used_blocks, remove dead code.
3166
3167 2009-04-26 H.J. Lu <hongjiu.lu@intel.com>
3168
3169 * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
3170 * tree-ssa-live.h (register_ssa_partition): Likewise.
3171
3172 2009-04-26 Michael Matz <matz@suse.de>
3173
3174 Expand from SSA.
3175 * builtins.c (fold_builtin_next_arg): Handle SSA names.
3176 * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
3177 * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
3178 SSA names.
3179 (compare_pairs): Swap cost comparison.
3180 (coalesce_ssa_name): Don't use change_partition_var.
3181 * tree-nrv.c (struct nrv_data): Add modified member.
3182 (finalize_nrv_r): Set it.
3183 (tree_nrv): Use it to update statements.
3184 (pass_nrv): Require PROP_ssa.
3185 * tree-mudflap.c (mf_decl_cache_locals,
3186 mf_build_check_statement_for): Use make_rename_temp.
3187 (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
3188 * alias.c (find_base_decl): Handle SSA names.
3189 * emit-rtl (set_reg_attrs_for_parm): Make non-static.
3190 (component_ref_for_mem_expr): Don't leak SSA names into RTL.
3191 * rtl.h (set_reg_attrs_for_parm): Declare.
3192 * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
3193 to "optimized", remove unused locals at finish.
3194 (execute_free_datastructures): Make global, call
3195 delete_tree_cfg_annotations.
3196 (execute_free_cfg_annotations): Don't call
3197 delete_tree_cfg_annotations.
3198
3199 * ssaexpand.h: New file.
3200 * expr.c (toplevel): Include ssaexpand.h.
3201 (expand_assignment): Handle SSA names the same as register variables.
3202 (expand_expr_real_1): Expand SSA names.
3203 * cfgexpand.c (toplevel): Include ssaexpand.h.
3204 (SA): New global variable.
3205 (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
3206 (SSAVAR): New macro.
3207 (set_rtl): New helper function.
3208 (add_stack_var): Deal with SSA names, use set_rtl.
3209 (expand_one_stack_var_at): Likewise.
3210 (expand_one_stack_var): Deal with SSA names.
3211 (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
3212 before unique numbers.
3213 (expand_stack_vars): Use set_rtl.
3214 (expand_one_var): Accept SSA names, add asserts for them, feed them
3215 to above subroutines.
3216 (expand_used_vars): Expand all partitions (without default defs),
3217 then only the local decls (ignoring those expanded already).
3218 (expand_gimple_cond): Remove edges when jumpif() expands an
3219 unconditional jump.
3220 (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
3221 or remove abnormal edges. Ignore insns setting the LHS of a TERed
3222 SSA name.
3223 (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
3224 members of SA; deal with PARM_DECL partitions here; expand
3225 all PHI nodes, free tree datastructures and SA. Commit instructions
3226 on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
3227 (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
3228 info and statements at start, collect garbage at finish.
3229 * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
3230 (VAR_ANN_PARTITION) Remove.
3231 (change_partition_var): Don't declare.
3232 (partition_to_var): Always return SSA names.
3233 (var_to_partition): Only accept SSA names.
3234 (register_ssa_partition): Only check argument.
3235 * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
3236 member.
3237 (delete_var_map): Don't free it.
3238 (var_union): Only accept SSA names, simplify.
3239 (partition_view_init): Mark only useful SSA names as used.
3240 (partition_view_fini): Only deal with SSA names.
3241 (change_partition_var): Remove.
3242 (dump_var_map): Use ssa_name instead of partition_to_var member.
3243 * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
3244 basic blocks.
3245 * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
3246 (struct _elim_graph): New member const_dests; nodes member vector of
3247 ints.
3248 (set_location_for_edge): New static helper.
3249 (create_temp): Remove.
3250 (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
3251 insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
3252 (new_elim_graph): Allocate const_dests member.
3253 (clean_elim_graph): Truncate const_dests member.
3254 (delete_elim_graph): Free const_dests member.
3255 (elim_graph_size): Adapt to new type of nodes member.
3256 (elim_graph_add_node): Likewise.
3257 (eliminate_name): Likewise.
3258 (eliminate_build): Don't take basic block argument, deal only with
3259 partition numbers, not variables.
3260 (get_temp_reg): New static helper.
3261 (elim_create): Use it, deal with RTL temporaries instead of trees.
3262 (eliminate_phi): Adjust all calls to new signature.
3263 (assign_vars, replace_use_variable, replace_def_variable): Remove.
3264 (rewrite_trees): Only do checking.
3265 (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
3266 (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
3267 init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
3268 contains_tree_r, MAX_STMTS_IN_LATCH,
3269 process_single_block_loop_latch, analyze_edges_for_bb,
3270 perform_edge_inserts): Remove.
3271 (expand_phi_nodes): New global function.
3272 (remove_ssa_form): Take ssaexpand parameter. Don't call removed
3273 functions, initialize new parameter, remember partitions having a
3274 default def.
3275 (finish_out_of_ssa): New global function.
3276 (rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form,
3277 don't reset in_ssa_p here, don't disable TER when mudflap.
3278 (pass_del_ssa): Remove.
3279 * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
3280 partition members.
3281 (execute_free_datastructures): Declare.
3282 * Makefile.in (SSAEXPAND_H): New variable.
3283 (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
3284 * basic-block.h (commit_one_edge_insertion): Declare.
3285 * passes.c (init_optimization_passes): Move pass_nrv and
3286 pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
3287 pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
3288 * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
3289 (redirect_branch_edge): Deal with super block when expanding, split
3290 out jump patching itself into ...
3291 (patch_jump_insn): ... here, new static helper.
3292
3293 2009-04-26 Michael Matz <matz@suse.de>
3294
3295 * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
3296 beyond num_ssa_names.
3297 * tree-ssa-ter.c (free_temp_expr_table): Likewise.
3298 * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
3299
3300 2009-04-26 Jakub Jelinek <jakub@redhat.com>
3301
3302 PR inline-asm/39543
3303 * fwprop.c (forward_propagate_asm): New function.
3304 (forward_propagate_and_simplify): Propagate also into __asm, if it
3305 doesn't increase the number of referenced registers.
3306
3307 PR c/39889
3308 * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
3309
3310 2009-04-26 Jakub Jelinek <jakub@redhat.com>
3311
3312 * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
3313 note_nonlocal_vla_type for nonlocal VLAs.
3314 (note_nonlocal_vla_type, note_nonlocal_block_vlas,
3315 contains_remapped_vars, remap_vla_decls): New functions.
3316 (convert_nonlocal_reference_stmt): If not optimizing, call
3317 note_nonlocal_block_vlas on GIMPLE_BIND block vars.
3318 (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
3319 if it wasn't found in var_map.
3320 (finalize_nesting_tree_1): Call remap_vla_decls. If outermost
3321 GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
3322 to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
3323 declare_vars.
3324 * gimplify.c (nonlocal_vlas): New variable.
3325 (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
3326 referenced VLAs.
3327 (gimplify_body): Create and destroy nonlocal_vlas.
3328
3329 * dwarf2out.c (loc_descr_plus_const): New function.
3330 (build_cfa_aligned_loc, tls_mem_loc_descriptor,
3331 mem_loc_descriptor, loc_descriptor_from_tree_1,
3332 descr_info_loc, gen_variable_die): Use it.
3333
3334 * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
3335 !TREE_STATIC VAR_DECLs.
3336 * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
3337 DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
3338 (gen_variable_die): Likewise. Don't look at TREE_PRIVATE if
3339 DECL_BY_REFERENCE is valid.
3340 * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
3341 for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
3342 * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
3343 Copy DECL_BY_REFERENCE.
3344 (struct nesting_copy_body_data): New type.
3345 (nesting_copy_decl): New function.
3346 (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
3347 if they have variable length.
3348
3349 2009-04-26 Michael Matz <matz@suse.de>
3350
3351 * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
3352 mark new temporaries for renaming.
3353
3354 2009-04-26 Joseph Myers <joseph@codesourcery.com>
3355
3356 PR c/39581
3357 * c-decl.c (global_bindings_p): Return negative value.
3358 (c_variable_size): New. Based on variable_size from
3359 stor-layout.c.
3360 (grokdeclarator): Call c_variable_size not variable_size.
3361
3362 2009-04-26 Uros Bizjak <ubizjak@gmail.com>
3363
3364 * config/i386/i386.c (print_operand) ['z']: Fix typo.
3365
3366 2009-04-26 Kai Tietz <kai.tietz@onevision.com>
3367
3368 * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
3369 Redefine it to just use mingw/include.
3370 (ASM_SPEC): Rules for -m32 and -m64.
3371 (LINK_SPEC): Use Likewise.
3372 (SPEC_32): New define.
3373 (SPEC_64): Likewise.
3374 (SUB_LINK_SPEC): Likewise.
3375 (MULTILIB_DEFAULTS): New define.
3376 * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
3377 Add multilib options.
3378 (MULTILIB_DIRNAMES): Likewise.
3379 (MULTILIB_OSDIRNAMES): Likewise.
3380 (LIBGCC): Likewise.
3381 (INSTALL_LIBGCC): Likewise.
3382
3383 2009-04-26 Joseph Myers <joseph@codesourcery.com>
3384
3385 PR c/39556
3386 * c-tree.h (enum c_inline_static_type): New.
3387 (record_inline_static): Declare.
3388 * c-decl.c (struct c_inline_static, c_inline_statics,
3389 record_inline_static, check_inline_statics): New.
3390 (pop_file_scope): Call check_inline_statics.
3391 (start_decl): Call record_inline_static instead of pedwarning
3392 directly for static in inline function.
3393 * c-typeck.c (build_external_ref): Call record_inline_static
3394 instead of pedwarning directly for static referenced in inline
3395 function.
3396
3397 2009-04-26 Steven Bosscher <steven@gcc.gnu.org>
3398
3399 * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
3400 not new but only being rescanned.
3401 * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
3402 reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
3403 alloc_reg_set_mem, free_reg_set_mem, record_one_set,
3404 record_set_info, compute_set, grealloc): Remove.
3405 (recompute_all_luids): New function.
3406 (gcse_main): Don't compute sets, and don't do related memory
3407 allocations/free-ing. If something changed before the end of the
3408 pass, update LUIDs using recompute_all_luids.
3409 (alloc_gcse_mem): Don't compute LUIDs. Don't allocate reg_set memory.
3410 (free_gcse_mem): Don't free it either.
3411 (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
3412 Use the df insn LUIDs.
3413 (load_killed_in_block): Likewise.
3414 (compute_hash_table_work): Don't compute reg_set_in_block.
3415 (compute_transp): Use DF_REG_DEF_CHAINs.
3416 (local_cprop_pass): Don't use compute_sets and related functions.
3417 (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
3418 Use get_max_uid() instead of max_cuid.
3419 (insert_insn_end_basic_block, pre_insert_copy_insn,
3420 update_ld_motion_stores): Don't try to
3421 keep reg_set tables up to date.
3422 (pre_insert_copies): Use df insn LUIDs.
3423 (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
3424 (reg_set_info): Don't use extra bitmap argument.
3425 (compute_store_table): Don't compute reg_set_in_block. Use DF scan
3426 information to compute regs_set_in_block.
3427 (free_store_memory, store_motion): Don't nullify reg_set_in_block.
3428 (bypass_jumps): Don't use compute_sets and friends.
3429
3430 2009-04-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3431
3432 PR testsuite/39710
3433 * opts.c (undocumented_msg): Do not leave blank even with
3434 ENABLE_CHECKING.
3435
3436 2009-04-25 Joseph Myers <joseph@codesourcery.com>
3437
3438 * c-decl.c (build_enumerator): Allow values folding to integer
3439 constants but not integer constant expressions with a pedwarn if
3440 pedantic.
3441
3442 2009-04-25 Joseph Myers <joseph@codesourcery.com>
3443
3444 PR c/39582
3445 * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
3446 with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
3447 type is an integer constant.
3448
3449 2009-04-25 Uros Bizjak <ubizjak@gmail.com>
3450
3451 PR target/39897
3452 * config/i386/i386.c (print_operand) ['z']: Revert handling of
3453 HImode operands.
3454
3455 2009-04-25 Joseph Myers <joseph@codesourcery.com>
3456
3457 PR c/39564
3458 * c-decl.c (grokdeclarator): Diagnose declarations of functions
3459 with variably modified return type and no storage class
3460 specifiers, except for the case of nested functions. Distinguish
3461 extern declarations of functions with variably modified return
3462 types from those of objects with variably modified types.
3463
3464 2009-04-25 Jan Hubicka <jh@suse.cz>
3465
3466 * tree.c (list_equal_p): New function.
3467 * tree.h (list_equal_p): Declare.
3468 * coretypes.h (edge_def, edge, const_edge, basic_block_def
3469 basic_block_def, basic_block, const_basic_block): New.
3470 * tree-eh.c (make_eh_edge): EH edges are not abnormal.
3471 (redirect_eh_edge): New function.
3472 (make_eh_edge_update_phi): EH edges are not abnormal.
3473 * except.c: Include tree-flow.h.
3474 (list_match): New function.
3475 (eh_region_replaceable_by_p): New function.
3476 (replace_region): New function.
3477 (hash_type_list): New function.
3478 (hash_eh_region): New function.
3479 (eh_regions_equal_p): New function.
3480 (merge_peers): New function.
3481 (remove_unreachable_regions): Verify EH tree when checking;
3482 merge peers.
3483 (copy_eh_region_1): New function.
3484 (copy_eh_region): New function.
3485 (push_reachable_handler): New function.
3486 (build_post_landing_pads, dw2_build_landing_pads): Be ready for
3487 regions without label but with live RESX.
3488 * except.h (redirect_eh_edge_to_label): New.
3489 * tree-flow.h (redirect_eh_edge): New.
3490 * coretypes.h (edge_def, edge, const_edge, basic_block_def
3491 basic_block_def, basic_block, const_basic_block): Remove.
3492 * Makefile.in (except.o): Add dependency on tree-flow.h
3493 * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
3494 * basic-block.h (edge, const_edge, basic_block, const_basic_block):
3495 Remove.
3496
3497 2009-04-25 Eric Botcazou <ebotcazou@adacore.com>
3498
3499 PR bootstrap/39645
3500 * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
3501 on the destination of memcpy.
3502
3503 2009-04-25 Paolo Bonzini <bonzini@gnu.org>
3504
3505 * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
3506 REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
3507 REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
3508
3509 2009-04-25 Jan Hubicka <jh@suse.cz>
3510
3511 * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
3512 (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
3513 to be reached by different label than left.
3514 (update_eh_edges): Update comment; remove edge_to_remove if possible
3515 and return true if suceeded.
3516 (cleanup_empty_eh): Accept sharing map; handle shared regions.
3517 (cleanup_eh): Compute sharing map.
3518 * except.c (remove_eh_handler_and_replace): Add argument if we should
3519 update regions.
3520 (remove_unreachable_regions): Update for label sharing.
3521 (label_to_region_map): Likewise.
3522 (get_next_region_sharing_label): New function.
3523 (remove_eh_handler_and_replace): Add update_catch_try parameter; update
3524 prev_try pointers.
3525 (remove_eh_handler): Update.
3526 (remove_eh_region_and_replace_by_outer_of): New function.
3527 * except.h (struct eh_region): Add next_region_sharing_label.
3528 (remove_eh_region_and_replace_by_outer_of,
3529 get_next_region_sharing_label): Declare.
3530 * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
3531
3532 2009-04-25 Jan Hubicka <jh@suse.cz>
3533
3534 * tree-cfg.c (split_critical_edges): Split also edges where we can't
3535 insert code even if they are not critical.
3536
3537 2009-04-25 Jan Hubicka <jh@suse.cz>
3538
3539 * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3540 (gimple_can_remove_branch_p): EH edges won't remove branch by
3541 redirection.
3542 * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
3543 updating of non-abnormal EH edges.
3544 * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
3545 (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
3546 (split_critical_edges): Split also edges where emitting code on them
3547 will lead to splitting later.
3548
3549 2009-04-25 Uros Bizjak <ubizjak@gmail.com>
3550 H.J. Lu <hongjiu.lu@intel.com>
3551
3552 PR target/39590
3553 * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
3554 the configured assembler supports fildq and fistpq mnemonics.
3555 (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
3556 * configure: Regenerated.
3557 * config.in: Ditto.
3558
3559 * config/i386/i386.c (print_operand): Handle 'Z'.
3560 ['z']: Remove handling of special fild/fist suffixes.
3561 (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
3562 * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
3563 suffix of fild insn.
3564 (*floatsi<mode>2_vector_mixed): Ditto.
3565 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
3566 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
3567 (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
3568 (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
3569 * config/i386/gas.h (GAS_MNEMONICS): Remove.
3570
3571 2009-04-25 Ben Elliston <bje@au.ibm.com>
3572
3573 * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
3574 the source of a set operation.
3575
3576 2009-04-25 Anatoly Sokolov <aesok@post.ru>
3577
3578 * target.h (struct gcc_target): Add case_values_threshold field.
3579 * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
3580 (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
3581 * targhooks.c (default_case_values_threshold): New function.
3582 * targhooks.h (default_case_values_threshold): Declare function.
3583 * stmt.c (expand_case): Use case_values_threshold target hook.
3584 * expr.h (case_values_threshold): Remove declartation.
3585 * expr.c (case_values_threshold): Remove function.
3586 * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
3587
3588 * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
3589 * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3590 (avr_case_values_threshold): Declare as static.
3591 * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
3592
3593 * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
3594 * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
3595 (mn10300_case_values_threshold): New function.
3596
3597 2009-04-24 H.J. Lu <hongjiu.lu@intel.com>
3598
3599 * ira.c (setup_cover_and_important_classes): Add enum cast.
3600
3601 2009-04-24 Vladimir Makarov <vmakarov@redhat.com>
3602
3603 * genpreds.c (write_enum_constraint_num): Output definition of
3604 CONSTRAINT_NUM_DEFINED_P macro.
3605 * ira.c (setup_cover_and_important_classes): Use
3606 CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
3607
3608 2009-04-24 DJ Delorie <dj@redhat.com>
3609
3610 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
3611 __SH2A_SINGLE_ONLY__ also.
3612
3613 2009-04-24 Steve Ellcey <sje@cup.hp.com>
3614
3615 * config/ia64/ia64.md (movfs_internal): Allow flt constants.
3616 (movdf_internal): Ditto.
3617 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
3618 SFmode and DFmode constants.
3619 (ia64_print_operand): Add 'G' format for printing
3620 floating point constants.
3621
3622 2009-04-24 Richard Guenther <rguenther@suse.de>
3623
3624 * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
3625 from unsigned additions.
3626
3627 2009-04-24 Joseph Myers <joseph@codesourcery.com>
3628
3629 * c-typeck.c (set_init_index): Allow array designators that are
3630 not integer constant expressions with a pedwarn if pedantic.
3631
3632 2009-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3633
3634 * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
3635 zero if no overlap in nonzero bits between the operands.
3636
3637 2009-04-24 Ian Lance Taylor <iant@google.com>
3638
3639 * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
3640 (record_dead_and_set_regs): Likewise.
3641 * df.h (struct df_mw_hardreg): Change flags field to int.
3642 (struct df_base_ref): Likewise.
3643 (struct df): Change changeable_flags field to int.
3644 * df-scan.c (df_defs_record): Change clobber_flags to int.
3645 * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
3646 constants rather than #define macros.
3647 (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
3648 (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
3649 (enum dwarf_calling_convention): Likewise.
3650 (enum dwarf_line_number_x_ops): Likewise.
3651 (enum dwarf_call_frame_info): Likewise.
3652 (enum dwarf_source_language): Likewise.
3653 * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
3654 (add_calling_convention_attribute): Likewise.
3655 * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
3656 (combine_comparisons): Change compcode to int. Add cast to enum type.
3657 * genrecog.c (maybe_both_true_2): Change c to int.
3658 (write_switch): Likewise. Add cast to enum type.
3659 * gimplify.c (gimplify_omp_for): Handle return values from
3660 gimplify_expr using MIN rather than bitwise or.
3661 (gimplify_expr): Add cast to enum type.
3662 * ipa-prop.c (update_jump_functions_after_inlining): Change
3663 IPA_BOTTOM to IPA_JF_UNKNOWN.
3664 * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
3665 Add casts to enum type.
3666 (setup_cover_and_important_classes): Change cl to int. Add casts
3667 to enum type.
3668 (setup_class_translate): Change cl and mode to int.
3669 (ira_init_once): Change mode to int.
3670 (free_register_move_costs): Likewise.
3671 (setup_prohibited_mode_move_regs): Add casts to enum type.
3672 * langhooks.c (add_builtin_function_common): Rework assertion that
3673 value fits bitfield.
3674 * mcf.c (add_fixup_edge): Change type parameter to edge_type.
3675 * omega.c (omega_do_elimination): Avoid math on enum types.
3676 * optabs.c (expand_vec_shift_expr): Remove casts to int.
3677 * opts.c (set_debug_level): Change 2 to enum constant. Use new
3678 int local to handle integral_argment value.
3679 * regmove.c (try_auto_increment): Change PUT_MODE to
3680 PUT_REG_NOTE_KIND.
3681 * reload.c (push_secondary_reload): Add casts to enum type.
3682 (secondary_reload_class, find_valid_class): Likewise.
3683 * reload1.c (emit_input_reload_insns): Likewise.
3684 * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
3685 * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
3686 * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
3687 constant.
3688 * tree.c (build_common_builtin_nodes): Add casts to enum type.
3689 * tree-complex.c (complex_lattice_t): Typedef to int rather than
3690 enum type.
3691 (expand_complex_libcall): Add casts to enum type.
3692 * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
3693 * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
3694 with ERROR_MARK, not NUM_TREE_CODES.
3695 (vect_create_epilog_for_reduction): Likewise.
3696 (vectorizable_reduction): Don't initialize epiloc_reduc_code.
3697 When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
3698 * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
3699 enum machine_mode.
3700 * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
3701 vect_unused_in_loop. Change 0 to loop_vect.
3702 * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
3703 * var-tracking.c (get_init_value): Change return type to enum
3704 var_init_status.
3705 * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
3706 * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
3707 arm_fp_model.
3708 (arm_override_options): Add casts to enum type.
3709 (arm_emit_tls_decoration): Likewise.
3710 * config/i386/i386.c (ix86_function_specific_restore): Add casts
3711 to enum type.
3712 * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
3713 * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
3714 * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
3715 enum type.
3716 * config/s390/s390.c (code_for_builtin_64): Change to array of
3717 enum insn_code.
3718 (code_for_builtin_31): Likewise.
3719 (s390_expand_builtin): Change code_for_builtin to enum insn_code
3720 const *.
3721 * config/sparc/sparc.c (sparc_override_options): Change value
3722 field in struct code_model to enum cmodel. In initializer change
3723 0 to NULL and add cast to enum type.
3724
3725 * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
3726 Change all callers. Issue a -Wc++-compat warning using
3727 lhs_origtype if necessary.
3728 (convert_for_assignment): Issue -Wc++-compat warnings about
3729 invalid conversions to enum type on assignment.
3730 * c-common.h (build_modify_expr): Update declaration.
3731
3732 2009-04-24 Nick Clifton <nickc@redhat.com>
3733
3734 * config/iq2000/iq2000.c (function_arg): Handle TImode values.
3735 (function_arg_advance): Likewise.
3736 * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
3737 5th alternative.
3738
3739 2009-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
3740
3741 * config/s390/constraints.md ('I', 'J'): Fix condition.
3742
3743 2009-04-24 Diego Novillo <dnovillo@google.com>
3744
3745 * gengtype-parse.c (parse_error): Add newline after message.
3746
3747 2009-04-24 H.J. Lu <hongjiu.lu@intel.com>
3748
3749 * config/i386/sse.md (avxmodesuffixs): Removed.
3750 (*avx_pinsr<avxmodesuffixs>): Renamed to ...
3751 (*avx_pinsr<ssevecsize>): This.
3752
3753 2009-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
3754
3755 * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
3756 follow chains of regs with a single definition, and allow expressions
3757 that are function_invariant_p.
3758 (simple_rhs_p): Allow expressions that are function_invariant_p.
3759
3760 2009-04-24 Paolo Bonzini <bonzini@gnu.org>
3761
3762 PR middle-end/39867
3763 * fold-const.c (fold_cond_expr_with_comparison): When folding
3764 > and >= to MAX, make sure the MAX uses the same type as the
3765 comparison's operands.
3766
3767 2009-04-24 Nick Clifton <nickc@redhat.com>
3768
3769 * config/frv/frv.c (frv_frame_access): Do not use reg+reg
3770 addressing for DImode accesses.
3771 (frv_print_operand_address): Handle PLUS case.
3772 * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
3773
3774 2009-04-24 Jakub Jelinek <jakub@redhat.com>
3775
3776 PR rtl-optimization/39794
3777 * alias.c (canon_true_dependence): Add x_addr argument.
3778 * rtl.h (canon_true_dependence): Adjust prototype.
3779 * cse.c (check_dependence): Adjust canon_true_dependence callers.
3780 * cselib.c (cselib_invalidate_mem): Likewise.
3781 * gcse.c (compute_transp): Likewise.
3782 * dse.c (scan_reads_nospill): Likewise.
3783 (record_store, check_mem_read_rtx): Likewise. For non-const-or-frame
3784 addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
3785 canon_base_addr of the group, plus optional offset.
3786 (struct group_info): Rename canon_base_mem to
3787 canon_base_addr.
3788 (get_group_info): Set canon_base_addr to canon_rtx of base, not
3789 canon_rtx of base_mem.
3790
3791 2009-04-23 Paolo Bonzini <bonzini@gnu.org>
3792
3793 * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
3794 Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
3795
3796 2009-04-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3797
3798 * config/spu/spu-builtins.h: Delete file.
3799
3800 * config/spu/spu.h (enum spu_builtin_type): Move here from
3801 spu-builtins.h.
3802 (struct spu_builtin_description): Likewise. Add GTY marker.
3803 Do not use enum spu_function_code or enum insn_code.
3804 (spu_builtins): Add extern declaration.
3805
3806 * config/spu/spu.c: Do not include "spu-builtins.h".
3807 (enum spu_function_code, enum spu_builtin_type_index,
3808 V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
3809 V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
3810 unsigned_V8HI_type_node, unsigned_V4SI_type_node,
3811 unsigned_V2DI_type_node): Move here from spu-builtins.h.
3812 (spu_builtin_types): Make static. Add GTY marker.
3813 (spu_builtins): Add extern declaration with GTY marker.
3814 Include "gt-spu.h".
3815
3816 * config/spu/spu-c.c: Do not include "spu-builtins.h".
3817 (spu_resolve_overloaded_builtin): Do not use spu_function_code.
3818 Check programmatically whether all parameters are scalar.
3819
3820 * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
3821
3822 2009-04-23 Eric Botcazou <ebotcazou@adacore.com>
3823
3824 * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
3825 assignment from the constructor either if the target is volatile.
3826
3827 2009-04-23 Daniel Jacobowitz <dan@codesourcery.com>
3828
3829 * config/arm/arm.md (insv): Do not share operands[0].
3830
3831 2009-04-23 Nathan Sidwell <nathan@codesourcery.com>
3832
3833 * config/vxlib-tls.c (active_tls_threads): Delete.
3834 (delete_hook_installed): New.
3835 (tls_delete_hook): Don't delete the delete hook.
3836 (tls_destructor): Delete it here.
3837 (__gthread_set_specific): Adjust installing the delete hook.
3838 (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
3839 __gthread_leave_tsd_dtor_context.
3840
3841 2009-04-23 Rafael Avila de Espindola <espindola@google.com>
3842
3843 * c-format.c (gcc_tdiag_char_table): Add support for %E.
3844
3845 2009-04-23 Uros Bizjak <ubizjak@gmail.com>
3846
3847 * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
3848 enum type.
3849 (alpha_rtx_costs): Ditto.
3850 (emit_unlikely_jump): Use add_reg_note.
3851 (emit_frame_store_1): Ditto.
3852 (alpha_expand_prologue): Ditto.
3853 (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
3854 * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
3855
3856 2009-04-23 Nick Clifton <nickc@redhat.com>
3857
3858 * config/v850/v850.md (epilogue): Remove suppressed code.
3859 (return): Rename to return_simple and remove test of frame size.
3860 * config/v850/v850.c (expand_epilogue): Rename call to gen_return
3861 to gen_return_simple.
3862
3863 2009-04-22 Jing Yu <jingyu@google.com>
3864
3865 PR testsuite/39781
3866 * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3867
3868 2009-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
3869
3870 PR C/31499
3871 * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
3872 and RECORD_TYPE/UNION_TYPE. When outputing the actual element and the
3873 value is a VECTOR_CST, the element type is the element type of the
3874 vector.
3875
3876 2009-04-22 DJ Delorie <dj@redhat.com>
3877
3878 * config/m32c/m32c.h: Update GTY annotations to new syntax.
3879
3880 2009-04-22 Jakub Jelinek <jakub@redhat.com>
3881
3882 * alias.c (find_base_term): Move around LO_SUM case, so that
3883 CONST falls through into PLUS/MINUS handling.
3884
3885 PR c/39855
3886 * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
3887 into 0, use omit_one_operand.
3888
3889 2009-04-23 Ben Elliston <bje@au.ibm.com>
3890
3891 * config/rs6000/linux-unwind.h (get_regs): Remove type
3892 puns. Change the type of `pc' to an array of unsigned ints and
3893 update all users. Constify frame24.
3894
3895 2009-04-22 DJ Delorie <dj@redhat.com>
3896
3897 * config/m32c/m32c.c (m32c_special_page_vector_p): Move
3898 declarations before code.
3899 (current_function_special_page_vector): Likewise.
3900 (m32c_expand_insv): Silence a warning.
3901
3902 2009-04-21 Taras Glek <tglek@mozilla.com>
3903
3904 * alias.c: Update GTY annotations to new syntax.
3905 * basic-block.h: Likewise.
3906 * bitmap.h: Likewise.
3907 * c-common.h: Likewise.
3908 * c-decl.c: Likewise.
3909 * c-parser.c: Likewise.
3910 * c-pragma.c: Likewise.
3911 * c-tree.h: Likewise.
3912 * cfgloop.h: Likewise.
3913 * cgraph.h: Likewise.
3914 * config/alpha/alpha.c: Likewise.
3915 * config/arm/arm.h: Likewise.
3916 * config/avr/avr.h: Likewise.
3917 * config/bfin/bfin.c: Likewise.
3918 * config/cris/cris.c: Likewise.
3919 * config/darwin.c: Likewise.
3920 * config/frv/frv.c: Likewise.
3921 * config/i386/i386.c: Likewise.
3922 * config/i386/i386.h: Likewise.
3923 * config/i386/winnt.c: Likewise.
3924 * config/ia64/ia64.h: Likewise.
3925 * config/iq2000/iq2000.c: Likewise.
3926 * config/mips/mips.c: Likewise.
3927 * config/mmix/mmix.h: Likewise.
3928 * config/pa/pa.c: Likewise.
3929 * config/pa/pa.h: Likewise.
3930 * config/rs6000/rs6000.c: Likewise.
3931 * config/s390/s390.c: Likewise.
3932 * config/sparc/sparc.c: Likewise.
3933 * config/xtensa/xtensa.c: Likewise.
3934 * cselib.h: Likewise.
3935 * dbxout.c: Likewise.
3936 * dwarf2out.c: Likewise.
3937 * except.c: Likewise.
3938 * except.h: Likewise.
3939 * fixed-value.h: Likewise.
3940 * function.c: Likewise.
3941 * function.h: Likewise.
3942 * gimple.h: Likewise.
3943 * integrate.c: Likewise.
3944 * optabs.c: Likewise.
3945 * output.h: Likewise.
3946 * real.h: Likewise.
3947 * rtl.h: Likewise.
3948 * stringpool.c: Likewise.
3949 * tree-data-ref.c: Likewise.
3950 * tree-flow.h: Likewise.
3951 * tree-scalar-evolution.c: Likewise.
3952 * tree-ssa-address.c: Likewise.
3953 * tree-ssa-alias.h: Likewise.
3954 * tree-ssa-operands.h: Likewise.
3955 * tree.c: Likewise.
3956 * tree.h: Likewise.
3957 * varasm.c: Likewise.
3958 * varray.h: Likewise.
3959 * vec.h: Likewise.
3960 * coretypes.h: Do not define GTY macro if it is already defined.
3961 * doc/gty.texi: Update GTY documentation to new syntax.
3962 * gengtype-lex.l: Enforce attribute-like syntax for GTY
3963 annotations on structs.
3964 * gengtype-parse.c: Likewise.
3965
3966 2009-04-22 Mark Heffernan <meheff@google.com>
3967
3968 * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
3969
3970 2009-04-22 Kazu Hirata <kazu@codesourcery.com>
3971
3972 * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
3973 where appropriate.
3974
3975 2009-04-22 Kazu Hirata <kazu@codesourcery.com>
3976
3977 * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
3978 the same as a PLUS without a shift. Increase the cost of a
3979 CONST_INT in MULT.
3980
3981 2009-04-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3982
3983 * Makefile.in: Update dependencies.
3984 * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
3985 * errors.h: Remove bogus comment about compatibility.
3986 (warning): Update declaration.
3987 * genautomata.c: Update all calls to warning.
3988 * gimple.c: Do not include errors.h. Include toplev.h.
3989 * tree-ssa-structalias.c: Do not include errors.h.
3990 * omega.c: Likewise.
3991 * tree-ssa-reassoc.c: Likewise.
3992 * config/spu/spu-c.c: Likewise.
3993 * config/spu/t-spu-elf: Update dependencies.
3994
3995 2009-04-22 Richard Guenther <rguenther@suse.de>
3996
3997 PR tree-optimization/39824
3998 * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
3999 make sure the types are compatible.
4000
4001 2009-04-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4002
4003 PR c++/14875
4004 * c-common.c (c_parse_error): Take a token_flags parameter.
4005 Use token_type for the token type instead.
4006 Pass token_flags to cpp_type2name.
4007 * c-common.h (c_parse_error): Update declaration.
4008 * c-parser.c (c_parser_error): Pass 0 as token flags.
4009
4010 2009-04-22 Andrey Belevantsev <abel@ispras.ru>
4011
4012 PR rtl-optimization/39580
4013 * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
4014
4015 2009-04-22 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4016
4017 * function.c (expand_function_end): Do not emit a jump to the "naked"
4018 return label for fall-through returns.
4019 * except.c (sjlj_emit_function_exit): Always place the call to the
4020 unregister function at the location installed by expand_function_end.
4021
4022 2009-04-22 Richard Guenther <rguenther@suse.de>
4023
4024 PR tree-optimization/39845
4025 * tree-switch-conversion.c (build_arrays): Add new referenced vars.
4026 (gen_inbound_check): Likewise.
4027
4028 2009-04-22 Nathan Sidwell <nathan@codesourcery.com>
4029
4030 * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
4031 padding for PPC.
4032 (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
4033 * config/vxlib.c (__gthread_once): Add race guard for PPC.
4034
4035 2009-04-22 Paolo Bonzini <bonzini@gnu.org>
4036
4037 * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
4038 sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
4039 shift counts to avoid out-of-bounds array accesses.
4040
4041 2009-04-22 Paolo Bonzini <bonzini@gnu.org>
4042
4043 * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
4044 (Pmode): Move above.
4045
4046 2009-04-22 Uros Bizjak <ubizjak@gmail.com>
4047
4048 * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
4049 NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
4050 GET_CODE macro. Use IN_RANGE macro where appropriate.
4051 * config/alpha/alpha.h: Ditto.
4052 * config/alpha/alpha.md: Ditto.
4053 * config/alpha/constraints.md: Ditto.
4054 * config/alpha/predicates.md: Ditto.
4055
4056 2009-04-22 Paolo Bonzini <bonzini@gnu.org>
4057
4058 * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
4059 * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4060 * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4061 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4062 * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4063 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4064 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4065 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4066 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4067 * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4068 * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4069 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4070 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4071 * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4072 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4073 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4074 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4075 * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4076 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4077 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4078 * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4079 * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4080 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4081 * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4082 * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4083 * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4084 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
4085
4086 2009-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4087
4088 * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
4089 references from comments.
4090 * cfgbuild.c: (count_basic_blocks): Delete.
4091 (find_basic_blocks_1): Delete.
4092 (find_basic_blocks): Delete.
4093 * except.c (finish_eh_generation): Make static. Move comment from
4094 except.h here. Remove find_basic_blocks references from comments.
4095 * except.h (finish_eh_generation): Delete.
4096 * basic-block.h (find_basic_blocks): Delete.
4097 * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
4098
4099 2009-04-22 Dave Korn <dave.korn.cygwin@gmail.com>
4100
4101 * sdbout.c (sdbout_symbol): Pass VOIDmode to eliminate_regs.
4102 (sdbout_parms): Likewise.
4103
4104 2009-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
4105
4106 * config/sh/sh.c (prepare_cbranch_operands): Use
4107 LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
4108 (expand_cbranchdi4): Likewise.
4109 (from_compare): Add cast to enum type.
4110 (expand_cbranchsi4): Use add_reg_note.
4111 (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
4112 (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
4113 (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
4114 (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4115 * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
4116 instead of CODE_FOR_nothing.
4117 (cbranchdi4): Likewise. Fix the order of arguments for
4118 gen_rtx_fmt_ee.
4119 (push_fpscr): Use add_reg_note.
4120 (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
4121 reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
4122
4123 2009-04-21 Joseph Myers <joseph@codesourcery.com>
4124
4125 * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
4126 ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4127 ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4128 ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
4129 ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
4130 FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
4131 config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
4132 config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
4133 config/alpha/x-vms, config/arc/t-arc,
4134 config/arm/README-interworking, config/arm/arm-c.c,
4135 config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
4136 config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
4137 config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
4138 config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
4139 config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
4140 config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
4141 config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
4142 config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
4143 config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
4144 config/cris/t-elfmulti, config/crx/t-crx,
4145 config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
4146 config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
4147 config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
4148 config/h8300/t-h8300, config/i386/athlon.md,
4149 config/i386/darwin-libgcc.10.4.ver,
4150 config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
4151 config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
4152 config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
4153 config/i386/t-linux64, config/i386/t-nwld,
4154 config/i386/t-rtems-i386, config/i386/t-sol2-10,
4155 config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
4156 config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
4157 config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
4158 config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
4159 config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
4160 config/iq2000/t-iq2000, config/libgcc-glibc.ver,
4161 config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
4162 config/m32r/t-m32r, config/m68hc11/t-m68hc11,
4163 config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
4164 config/m68k/t-uclinux, config/mcore/t-mcore,
4165 config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
4166 config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
4167 config/mips/crtn.asm, config/mips/irix-crti.asm,
4168 config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
4169 config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
4170 config/mips/mips-fixed.md, config/mips/sb1.md,
4171 config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
4172 config/mips/t-iris6, config/mips/t-isa3264,
4173 config/mips/t-libgcc-mips16, config/mips/t-linux64,
4174 config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
4175 config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
4176 config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
4177 config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
4178 config/mn10300/t-linux, config/mn10300/t-mn10300,
4179 config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
4180 config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
4181 config/picochip/libgccExtras/clzsi2.asm,
4182 config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
4183 config/rs6000/darwin-libgcc.10.4.ver,
4184 config/rs6000/darwin-libgcc.10.5.ver,
4185 config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
4186 config/rs6000/t-aix43, config/rs6000/t-aix52,
4187 config/rs6000/t-darwin, config/rs6000/t-fprules,
4188 config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
4189 config/rs6000/t-lynx, config/rs6000/t-netbsd,
4190 config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
4191 config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
4192 config/rs6000/t-rtems, config/rs6000/t-spe,
4193 config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
4194 config/score/t-score-elf, config/sh/divcost-analysis,
4195 config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
4196 config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
4197 config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
4198 config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
4199 config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
4200 config/stormy16/stormy-abi, config/stormy16/t-stormy16,
4201 config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
4202 config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
4203 config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
4204 config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
4205 config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
4206 gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
4207 java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
4208 limitx.h, version.c, xcoff.h: Add copyright and license notices.
4209 * config/h8300/genmova.sh: Include copyright and license notices
4210 in generated output.
4211 * config/h8300/mova.md: Regenerate.
4212 * doc/install.texi2html: Include word "Copyright" in copyright
4213 notice and use name "Free Software Foundation, Inc.".
4214 * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
4215 ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
4216 ChangeLog-2007, ChangeLog-2008: Correct dates.
4217
4218 2009-04-21 Eric Botcazou <ebotcazou@adacore.com>
4219
4220 * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
4221 NE_EXPR operations as well.
4222 * c-parser.c (c_parser_condition): Do not set location information on
4223 the condition.
4224 (c_parser_conditional_expression): Likewise.
4225 (c_parser_binary_expression): Set location information on operators.
4226 * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
4227 TRUTH_NOT_EXPR has been folded.
4228 * fold-const.c (fold_truth_not_expr): Copy location information from
4229 the incoming expression to the outgoing one.
4230 * gimplify.c (shortcut_cond_r): Add locus parameter. Pass it to
4231 recursive calls on the LHS of the operator but pass that of the
4232 operator to recursive calls on the RHS of the operator. Set it
4233 on the COND_EXPR.
4234 (shortcut_cond_expr): Set the locus of the operator on the second
4235 COND_EXPR and that of the expression on the first in degenerate cases.
4236 Pass the locus of the expression to calls to shortcut_cond_r.
4237 Set the locus of the 'then' block on the associated jump, if any.
4238 (gimplify_boolean_expr): Add locus parameter. Set it on the COND_EXPR.
4239 (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
4240 expression to call to gimplify_boolean_expr.
4241
4242 2009-04-21 Kai Tietz <kai.tietz@onevision.com>
4243
4244 * config.gcc: Add additional configuration for
4245 i686-w64-mingw* and x86_64-w64-mingw* triplet.
4246 * config/i386/mingw-w64.h: New mingw-w64 specific header.
4247 (CPP_SPEC): Redefine for allowing -municode option.
4248 (STARTFILE_SPEC): Likewise.
4249 * config/i386/t-mingw-w64: New.
4250 * config/i386/mingw-w64.opt: New.
4251 (municode): Add new target option.
4252 * doc/invoke.texi (municode): Add documentation for new option.
4253
4254 2009-04-21 Ian Lance Taylor <iant@google.com>
4255
4256 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4257 Correct test for number of arguments.
4258 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
4259
4260 2009-04-21 Andreas Schwab <schwab@linux-m68k.org>
4261
4262 * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
4263 argument of emit_library_call.
4264
4265 2009-04-21 Richard Guenther <rguenther@suse.de>
4266
4267 PR middle-end/39829
4268 * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
4269 inside VIEW_CONVERT_EXPRs.
4270
4271 2009-04-21 Martin Jambor <mjambor@suse.cz>
4272
4273 * tree-switch-conversion.c (build_constructors): Split a long line.
4274 (constructor_contains_same_values_p): New function.
4275 (build_one_array): Create assigns of constants if possible, do not
4276 call mark_sym_for_renaming, call update_stmt.
4277 (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
4278 make_rename_temp. Do not call mark_symbols_for_renaming, call
4279 update_stmt.
4280 (gen_def_assigns): Do not call mark_symbols_for_renaming or
4281 find_new_referenced_vars, call update_stmt.
4282 (gen_inbound_check): Use create_tmp_var and create ssa names manually
4283 instead of calling make_rename_temp. Do not call
4284 find_new_referenced_vars or mark_symbols_for_renaming, call
4285 update_stmt.
4286
4287 2009-04-21 Richard Guenther <rguenther@suse.de>
4288
4289 PR tree-optimization/39827
4290 * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
4291 (tree_ssa_phiprop): Pass the correct array size.
4292
4293 2009-04-21 Uros Bizjak <ubizjak@gmail.com>
4294
4295 * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
4296
4297 2009-04-21 Manuel López-Ibáñez <manu@gcc.gnu.org>
4298
4299 PR 16202
4300 * c-typeck.c (lvalue_p): Move declaration ...
4301 * c-common.h (lvalue_p): ... to here.
4302 * c-common.c (candidate_equal_p): New.
4303 (add_tlist): Use it.
4304 (merge_tlist): Use it.
4305 (warn_for_collisions_1): Likewise.
4306 (warning_candidate_p): Accept more candidates.
4307 (verify_tree): A warning candidate can be an expression. Use
4308 candidate_equal_p.
4309
4310 2009-04-21 Ben Elliston <bje@au.ibm.com>
4311
4312 PR target/5267
4313 * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
4314 for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
4315 options. Remove -mcall-solaris documentation.
4316
4317 2009-04-21 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4318
4319 PR c++/13358
4320 * doc/invoke.texi (-Wlong-long): Update description.
4321 * c-lex (interpret_integer): Only warn if there was no previous
4322 overflow and -Wlong-long is enabled.
4323 * c-decl.c (declspecs_add_type): Drop redundant flags.
4324 * c.opt (Wlong-long): Init to -1.
4325 * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
4326 and front-end warn_long_long. Wlong-long only depends on other
4327 flags if it is uninitialized.
4328 * c-parser.c (disable_extension_diagnostics): warn_long_long is
4329 the same for CPP and FE.
4330 (restore_extension_diagnostics): Likewise.
4331
4332 2009-04-20 Ian Lance Taylor <iant@google.com>
4333
4334 Fix enum conversions which are invalid in C++:
4335 * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
4336 * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
4337 * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
4338 * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
4339 * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
4340 (dbxout_parms): Likewise.
4341 * df-core.c (df_set_flags): Change changeable_flags parameter to int.
4342 (df_clear_flags): Likewise.
4343 * df-problems.c (df_rd_bb_local_compute_process_def): Change
4344 top_flag parameter to int.
4345 (df_chain_create_bb_process_use): Likewise.
4346 (df_chain_add_problem): Change chain_flags parameter to unsigned int.
4347 Remove cast.
4348 * df-scan.c (df_ref_create): Change ref_flags parameter to int.
4349 (df_ref_create_structure, df_def_record_1): Likewise.
4350 (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
4351 (df_notes_rescan): Change 0 to VOIDmode in function call.
4352 (df_get_call_refs, df_insn_refs_collect): Likewise.
4353 (df_bb_regs_collect): Likewise.
4354 (df_entry_block_defs_collect): Likewise.
4355 (df_exit_block_uses_collect): Likewise.
4356 * df.h: Update declarations.
4357 * double-int.c (double_int_divmod): Add cast to enum type.
4358 * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
4359 * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
4360 (based_loc_descr): Likewise.
4361 (loc_descriptor_from_tree_1): Change first_op and second_op to
4362 enum dwarf_location_atom. Add cast to enum type.
4363 * expmed.c (init_expmed): Change 0 to SET in function call.
4364 * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
4365 (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
4366 (do_store_flag): Likewise.
4367 * fixed-value.h (struct fixed_value): Change mode to enum
4368 machine_mode.
4369 * function.c (assign_parms): Change 0 to VOIDmode in function call.
4370 * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
4371 function call.
4372 (insert_insn_decl, insert_decl, insert_state): Likewise.
4373 (automata_list_finish): Likewise.
4374 * genrecog.c (process_define_predicate): Add cast to enum type.
4375 * gensupport.c (init_predicate_table): Add cast to enum type.
4376 * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
4377 function call.
4378 (gimple_build_call_1, gimple_build_label): Likewise.
4379 (gimple_build_goto, gimple_build_asm_1): Likewise.
4380 (gimple_build_switch_1, gimple_build_cdt): Likewise.
4381 * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
4382 (enum fallback): Rename from enum fallback_t.
4383 (fallback_t): Typedef as int.
4384 * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
4385 GSI_SAME_STMT in function call.
4386 * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
4387 enum type.
4388 (setup_reg_class_relations): Likewise.
4389 (setup_reg_class_nregs): Change cl to int. Add casts to enum type.
4390 (setup_prohibited_class_mode_regs): Add cast to enum type.
4391 (setup_prohibited_mode_move_regs): Likewise.
4392 * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
4393 (record_address_regs): Change i to enum reg_class.
4394 * lists.c (alloc_EXPR_LIST): Add cast to enum type.
4395 * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
4396 (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
4397 (GET_MODE_2XWIDER_MODE): Likewise.
4398 (GET_CLASS_NARROWEST_MODE): Likewise.
4399 * omp-low.c (expand_omp_for): Add cast to enum type.
4400 * optabs.c (debug_optab_libfuncs): Add casts to enum type.
4401 * opts.c (enable_warning_as_error): Change kind to diagostic_t.
4402 * postreload.c (reload_cse_simplify_operands): Change rclass local
4403 to enum reg_class.
4404 * predict.c (combine_predictions_for_insn): Change best_predictor
4405 and predictor to enum br_predictor.
4406 (combine_predictions_for_bb): Likewise.
4407 (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
4408 use SET_PREDICT_EXPR_OUTCOME.
4409 * real.c (real_arithmetic): Change icode to code in function call.
4410 * reginfo.c (init_move_cost): Add casts to enum type.
4411 (init_reg_sets_1, init_fake_stack_mems): Likewise.
4412 * regmove.c (regclass_compatible_p): Change class0 and class1 to
4413 enum reg_class.
4414 * reload.c (find_valid_class): Add casts to enum type.
4415 (push_reload): Change 0 to NO_REGS in function call.
4416 (find_reloads): Change this_alternative to array of enum
4417 reg_class. Remove some now-unnecessary casts.
4418 (make_memloc): Change 0 to VOIDmode in function call.
4419 * reload1.c (reload): Change 0 to VOIDmode in function call.
4420 (eliminate_regs_1, elimination_effects): Likewise.
4421 (eliminate_regs_in_insn): Likewise.
4422 (emit_input_reload_insns): Add cast to enum type.
4423 (delete_output_reload): Change 0 to VOIDmode in function call.
4424 * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
4425 to enum type in function call.
4426 * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
4427 (SET_PREDICT_EXPR_OUTCOME): Define.
4428 * tree-dump.c (get_dump_file_info): Change phase parameter to int.
4429 (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
4430 (dump_initialized_p, dump_flag_name, dump_end): Likewise.
4431 (dump_function): Likewise.
4432 * tree-dump.h: Update declarations.
4433 * tree-pass.h: Update declarations.
4434 * varasm.c (assemble_integer): Change mclass to enum mode_class.
4435 * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
4436 enum type.
4437 (arm_rtx_costs_1): Correct parenthesization.
4438 (arm_rtx_costs): Add casts to enum type.
4439 (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
4440 (vfp_emit_fstmd): Use add_rg_note.
4441 (emit_multi_reg_push, emit_sfm): Likewise.
4442 (thumb_set_frame_pointer): Likewise.
4443 (arm_expand_prologue): Likewise.
4444 (arm_regno_class): Change return type to enum reg_class.
4445 (thumb1_expand_prologue): Use add_reg_note.
4446 * config/arm/arm-protos.h (arm_regno_class): Update declaration.
4447 * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
4448 in function call.
4449 * config/arm/gentune.sh: Add cast to enum type.
4450 * config/arm/arm-tune.md: Rebuild.
4451 * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
4452 (ix86_split_fp_branch, predict_jump): Likewise.
4453 (ix86_expand_multi_arg_builtin): Change sub_code from enum
4454 insn_code to enum rtx_code.
4455 (ix86_builtin_vectorized_function): Add cast to enum type.
4456 * config/i386/i386.md (truncdfsf2): Change slot to enum
4457 ix86_stack_slot.
4458 (truncxf<mode>2, isinf<mode>2): Likewise.
4459 * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
4460 enum type.
4461 * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
4462 (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
4463 (insert_bundle_state): Change 1 to INSERT in function call.
4464 (ia64_add_bundle_selector_before): Likewise.
4465 * config/ia64/ia64.md (cpu attr): Add cast to enum type.
4466 (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
4467 (restore_stack_nonlocal): Likewise.
4468 * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
4469 function call.
4470 * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
4471 function call.
4472 (mips_rtx_costs): Likewise.
4473 (mips_override_options): Add casts to enum type.
4474 * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
4475 in function call.
4476 * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
4477 (store_reg, set_reg_plus_d): Likewise.
4478 (hppa_expand_prologue, hppa_profile_hook): Likewise.
4479 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
4480 cast to enum type.
4481 (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
4482 function call.
4483 (emit_unlikely_jump): Use add_reg_note.
4484 (rs6000_emit_allocate_stack): Likewise.
4485 (rs6000_frame_related, rs6000_emit_prologue): Likewise.
4486 (output_toc): Change 1 to INSERT in function call.
4487 (output_profile_hook): Change 0 to LCT_NORMAL in function call.
4488 (rs6000_initialize_trampoline): Likewise.
4489 (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
4490 function call.
4491 * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
4492 (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
4493 (s390_expand_setmem, s390_expand_cmpmem): Likewise.
4494 (save_gprs): Use add_reg_note.
4495 (s390_emit_prologue): Likewise.
4496 (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
4497 * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
4498 (sparc_fold_builtin): Add cast to enum type.
4499 * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
4500 enum insn_code.
4501 (spu_expand_prologue): Use add_reg_note.
4502 (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
4503
4504 2009-04-20 Ian Lance Taylor <iant@google.com>
4505
4506 * c-parser.c (c_parser_attributes): Change VEC back to tree list.
4507 (c_parser_postfix_expression_after_primary): Get VEC for list of
4508 arguments. Get original types of arguments. Call
4509 build_function_call_vec.
4510 (cached_expr_list_1, cached_expr_list_2): New static variables.
4511 (c_parser_expr_list): Change return type to VEC *. Add
4512 p_orig_types parameter. Change all callers.
4513 (c_parser_release_expr): New static function.
4514 (c_parser_vec_to_tree_list): New static function.
4515 * c-typeck.c (build_function_call): Rewrite to build a VEC and
4516 call build_function_call_vec.
4517 (build_function_call_vec): New function, based on old
4518 build_function_call.
4519 (convert_arguments): Remove nargs and argarray parameters. Change
4520 values to a VEC. Add origtypes parameter.
4521 (build_modify_expr): Add rhs_origtype parameter. Change all callers.
4522 (convert_for_assignment): Add origtype parameter. Change all
4523 callers. If warn_cxx_compat, check for conversion to an enum
4524 type when calling a function.
4525 (store_init_value): Add origtype parameter. Change all callers.
4526 (digest_init): Likewise.
4527 (struct init_node): Add origtype field.
4528 (add_pending_init): Add origtype parameter. Change all callers.
4529 (output_init_element): Likewise.
4530 (output_pending_init_elements): Pass origtype from init_node to
4531 output_init_element.
4532 (process_init_element): Pass origtype from c_expr to
4533 output_init_element.
4534 (c_finish_return): Add origtype parameter. Change all callers.
4535 * c-common.c (sync_resolve_size): Change params to VEC *. Change
4536 caller.
4537 (sync_resolve_params): Likewise.
4538 (sync_resolve_return): Change params to first_param. Change caller.
4539 (resolve_overloaded_builtins): Change params to VEC *. Change
4540 callers. Save first parameter around call to build_function_call_vec.
4541 * c-decl.c (finish_decl): Add origtype parameter. Change all
4542 callers. Call build_function_call_vec rather than
4543 build_function_call for cleanup.
4544 * c-tree.h: Update declarations.
4545 * c-common.h: Update declarations.
4546 * stub-objc.c (objc_rewrite_function_call): Change parameter from
4547 params to first_param.
4548 * target.h (struct gcc_target): Change resolve_overloaded_builtin
4549 params parameter from tree to void *.
4550 * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4551 Change arglist parameter to have type void *, and to be a pointer
4552 to a VEC.
4553 * config/rs6000/rs6000-protos.h
4554 (altivec_resolve_overloaded_builtin): Update declaration.
4555 * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
4556 fnargs parameter to have type void *, and to be a pointer to a
4557 VEC. Call build_function_call_vec instead of
4558 build_function_call.
4559 * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
4560
4561 2009-04-20 Joey Ye <joey.ye@intel.com>
4562 Xuepeng Guo <xuepeng.guo@intel.com>
4563 H.J. Lu <hongjiu.lu@intel.com>
4564
4565 * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
4566
4567 * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
4568 (IX86_LEA_PRIORITY): Likewise.
4569 (distance_non_agu_define): New function.
4570 (distance_agu_use): Likewise.
4571 (ix86_lea_for_add_ok): Likewise.
4572 (ix86_dep_by_shift_count): Likewise.
4573
4574 * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
4575 should split for LEA.
4576
4577 * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
4578 function.
4579 (ix86_dep_by_shift_count): Likewise.
4580
4581 2009-04-20 Richard Guenther <rguenther@suse.de>
4582
4583 * expr.c (handled_component_p): Move ...
4584 * tree.h (handled_component_p): ... here.
4585 * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
4586 ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
4587 and REALPART_EXPR to be in one group.
4588
4589 2009-04-20 Richard Guenther <rguenther@suse.de>
4590
4591 * basic-block.h (get_all_dominated_blocks): Declare.
4592 * dominance.c (get_all_dominated_blocks): New function.
4593 * tree-cfg.c (get_all_dominated_blocks): Remove.
4594 (remove_edge_and_dominated_blocks): Adjust.
4595 * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
4596 (tree_ssa_phiprop): ... here. Use get_all_dominated_blocks
4597 instead of recursing.
4598
4599 2009-04-20 Doug Kwan <dougkwan@google.com>
4600
4601 * cgraph.h (cgraph_node_ptr): New type for vector functions.
4602 (struct cgraph_node_set_def): New type.
4603 (cgraph_node_set) New type. Also declare vector functions.
4604 (struct cgraph_node_set_element_def): New type.
4605 (cgraph_node_set_element): Ditto.
4606 (cgraph_node_set_iterator): New iterator type.
4607 (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
4608 cgraph_node_set_remove, dump_cgraph_node_set,
4609 debug_cgraph_node_set): New prototypes.
4610 (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
4611 cgraph_node_set_size): New inlines.
4612 * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
4613 including cgraph.h.
4614 (struct ipa_opt_pass): Add struct cgraph_node_set_def
4615 argument to function 'write_summary'.
4616 * ipa.c: Include ggc.h.
4617 (hash_cgraph_node_set_element,
4618 eq_cgraph_node_set_element, cgraph_node_set_new,
4619 cgraph_node_set_add, cgraph_node_set_remove,
4620 cgraph_node_set_find, dump_cgraph_node_set,
4621 debug_cgraph_node_set): New functions.
4622 * Makefile.in (ipa.o): Add dependency on GGC_H.
4623
4624 2009-04-20 Ira Rosen <irar@il.ibm.com>
4625
4626 PR tree-optimization/39675
4627 * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
4628 check of the return code of vect_schedule_slp. Check that
4629 stmt_vec_info still exists for the statement, before checking its
4630 vectorization type.
4631
4632 2009-04-20 Michael Matz <matz@suse.de>
4633
4634 * Makefile.in (generated_files): Take out $(simple_generated_c).
4635
4636 2009-04-19 Dave Korn <dave.korn.cygwin@gmail.com>
4637
4638 * config/i386/cygwin-stdint.h (INTPTR_TYPE): Remove "long".
4639 (UINTPTR_TYPE): Likewise.
4640
4641 2009-04-19 Joseph Myers <joseph@codesourcery.com>
4642
4643 PR c/37481
4644 * c-typeck.c (digest_init): Check for initializing an array with a
4645 string literal.
4646
4647 2009-04-19 Joseph Myers <joseph@codesourcery.com>
4648
4649 PR c/19771
4650 * c-semantics.c (pop_stmt_list): Propagate
4651 STATEMENT_LIST_HAS_LABEL to parent statement list.
4652
4653 2009-04-19 Adam Nemet <anemet@caviumnetworks.com>
4654
4655 * config/mips/mips.h (mips_tune_attr): New macro.
4656 * config/mips/mips.md (cpu): Use it.
4657
4658 2009-04-19 Joseph Myers <joseph@codesourcery.com>
4659
4660 PR c/38243
4661 * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
4662 declaring a tag.
4663
4664 2009-04-19 Diego Novillo <dnovillo@google.com>
4665
4666 * toplev.c (compile_file): Move call to coverage_finish ...
4667 * cgraphunit.c (ipa_passes): ... here.
4668 Call cgraph_process_new_functions.
4669 * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
4670 * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
4671
4672 2009-04-19 Jan Hubicka <jh@suse.cz>
4673
4674 * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
4675 cfun.
4676 (dump_cgraph_node): Dump can throw external flag.
4677 * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
4678
4679 2009-04-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4680
4681 PR c/32061
4682 PR c++/36954
4683 * doc/invoke.texi: Add -Wlogical-op to -Wextra.
4684 * common.opt (Wlogical-op): Move from here...
4685 * c.opt (Wlogical-op): ... to here.
4686 * c-typeck.c (parser_build_binary_op): Update call to
4687 warn_logical_operator.
4688 * c-opts.c (c_common_post_options): Enable warn_logical_op with
4689 extra_warnings.
4690 * c-common.c (warn_logical_op): Update.
4691 * c-common.h (warn_logical_op): Update declaration.
4692
4693 2009-04-19 Eric Botcazou <ebotcazou@adacore.com>
4694
4695 * tree.c (protected_set_expr_location): Fix formatting.
4696
4697 2009-04-18 Joseph Myers <joseph@codesourcery.com>
4698
4699 PR c/27676
4700 * c-typeck.c (readonly_warning): new.
4701 (build_unary_op, build_modify_expr): Use readonly_warning for
4702 storing into something readonly but not const-qualified.
4703
4704 2009-04-18 Joseph Myers <joseph@codesourcery.com>
4705
4706 PR c/22367
4707 * c-typeck.c (build_unary_op): Check for taking address of
4708 expression of type void.
4709
4710 2009-04-18 Joseph Myers <joseph@codesourcery.com>
4711
4712 PR c/35210
4713 * c-typeck.c (build_function_call): Check for calling a function
4714 with qualified void return types. Call require_complete_type when
4715 generating a trap.
4716
4717 2009-04-18 Jan Hubicka <jh@suse.cz>
4718
4719 * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
4720 Set nothrow flag.
4721 * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
4722 can_throw_external flag.
4723 * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
4724 * ipa-pure-const.c (ignore_edge): New function.
4725 (propagate): Compute order for NOTHROW computation; set NOTHROWs
4726 only over can_throw_external edges.
4727 (local_pure_const): Add nothrow flag.
4728 * ipa-utils.c (searchc): Add ignore_edge callback.
4729 (ipa_utils_reduced_inorder): Add ignore_edge callback.
4730 * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
4731 (set_nothrow_function_flags): Update cgraph.
4732 * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
4733
4734 2009-04-18 Richard Guenther <rguenther@suse.de>
4735
4736 PR middle-end/39804
4737 * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
4738 (fold_stmt): ... this and ...
4739 (fold_stmt_inplace): ... this.
4740 (fold_stmt_1): Fold references in calls and asms.
4741 * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
4742
4743 2009-04-18 Kazu Hirata <kazu@codesourcery.com>
4744
4745 * tree-vrp.c (ssa_name_nonzero_p): Remove.
4746 * tree.h: Remove the prototype for ssa_name_nonzero_p.
4747
4748 2009-04-18 Kazu Hirata <kazu@codesourcery.com>
4749
4750 * tree.c (function_args_count): Remove.
4751 * tree.h: Remove the prototype for function_args_count.
4752
4753 2009-04-18 Kazu Hirata <kazu@codesourcery.com>
4754
4755 * tree-iterator.c (expr_only): Remove.
4756 * tree.h: Remove the prototype for expr_only.
4757
4758 2009-04-18 Kazu Hirata <kazu@codesourcery.com>
4759
4760 * reginfo.c (cannot_change_mode_set_regs): Remove.
4761 * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
4762
4763 2009-04-08 Anatoly Sokolov <aesok@post.ru>
4764
4765 * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
4766 whether operands 0 and 1 overlaps.
4767
4768 2009-04-18 Manuel López-Ibáñez <manu@gcc.gnu.org>
4769
4770 PR middle-end/36902
4771 * tree-vrp.c (check_array_ref): Pass a location_t instead of a
4772 pointer. Use warning_at instead of warning.
4773 (search_for_addr_array): Likewise.
4774 (check_array_bounds): Likewise.
4775 (check_all_array_refs): Check that the incoming edge is not in the
4776 list of edges to be removed.
4777 (check_all_array_refs): Avoid the temporal pointer.
4778 (vrp_visit_cond_stmt): Fix typo.
4779 (simplify_switch_using_ranges): Handle the case where the switch
4780 index is an integer constant.
4781
4782 2009-04-18 Adam Nemet <anemet@caviumnetworks.com>
4783
4784 * config/mips/mips.c (mips_final_postscan_insn): Make it static.
4785
4786 2009-04-18 Kazu Hirata <kazu@codesourcery.com>
4787
4788 * doc/extend.texi, doc/invoke.texi: Fix typos.
4789
4790 2009-04-17 Cary Coutant <ccoutant@google.com>
4791
4792 * tree-flow-inline.h (get_lineno): Fix inverted test.
4793
4794 2009-04-17 Diego Novillo <dnovillo@google.com>
4795
4796 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4797 assertion for AVAIL_OUT.
4798
4799 2009-04-17 Mike Frysinger <vapier@gentoo.org>
4800
4801 PR target/38627
4802 * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
4803 * config/sh/linux-atomic.asm: Likewise.
4804
4805 2009-04-17 Diego Novillo <dnovillo@google.com>
4806
4807 * except.c (debug_eh_tree): New.
4808 (struct eh_region, struct eh_status): Move ...
4809 * except.h: ... here.
4810 (add_type_for_runtime): Declare extern.
4811 (lookup_type_for_runtime): Likewise.
4812 (debug_eh_tree): Declare.
4813 * Makefile.in (GTFILES): List except.h before except.c
4814
4815 2009-04-17 Diego Novillo <dnovillo@google.com>
4816
4817 * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
4818 * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
4819 * tree-dfa.c (find_referenced_vars_in): Factor out of ...
4820 (find_vars_r): ... here.
4821 * tree-flow.h (find_referenced_vars_in): Declare.
4822 * tree-ssa-pre.c (create_expression_by_pieces): Assert
4823 that AVAIL_OUT exists for BLOCK.
4824 * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
4825 (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
4826 (tree-parloops.o): Likewise.
4827
4828 2009-04-17 Simon Baldwin <simonb@google.com>
4829
4830 * toplev.c (default_tree_printer): Add handling for %E format.
4831
4832 2009-04-17 Diego Novillo <dnovillo@google.com>
4833
4834 * tree-pretty-print.c (dump_generic_node): Add break after
4835 TREE_BINFO handler. Handle COMPLEX_TYPE, REAL_TYPE and
4836 FIXED_POINT_TYPE. Handle NULL TREE_TYPEs. Handle METHOD_TYPE and
4837 FUNCTION_TYPE together. Call print_struct_decl when printing
4838 structures and TDF_SLIM is not given.
4839 (print_struct_decl): Fix logic for detecting recursion.
4840
4841 2009-04-17 Rafael Avila de Espindola <espindola@google.com>
4842
4843 PR 31567
4844 * gcc.c (create_at_file): New.
4845 (compile_input_file_p): New.
4846 (do_spec_1): Use @args files for %i. Use create_at_file for %o.
4847 * main.c (main): Update call to toplev_main.
4848 * toplev.c (toplev_main): Change signature. Call expandargv.
4849 * toplev.h (toplev_main): Change signature.
4850
4851 2009-04-17 Eric Botcazou <ebotcazou@adacore.com>
4852
4853 * dwarf2out.c (field_byte_offset): Use the type size as the field size
4854 if the latter is not constant.
4855
4856 2009-04-17 David Edelsohn <edelsohn@gnu.org>
4857
4858 * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
4859
4860 2009-04-17 Eric Botcazou <ebotcazou@adacore.com>
4861
4862 * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
4863 * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
4864
4865 2009-04-17 Richard Guenther <rguenther@suse.de>
4866
4867 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4868 Handle component references view-converting an invariant address.
4869
4870 2009-04-17 Adam Nemet <anemet@caviumnetworks.com>
4871
4872 * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
4873 TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
4874 TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
4875 TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
4876 Use @deftypevr rather than @deftypevar.
4877
4878 2009-04-17 Richard Guenther <rguenther@suse.de>
4879
4880 * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
4881 (get_prop_source_stmt): Likewise.
4882 (can_propagate_from): Likewise.
4883
4884 2009-04-17 Andrew Stubbs <ams@codesourcery.com>
4885
4886 * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4887 TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
4888 (--with-multilib-list): Add default value.
4889 * configure: Regenerate.
4890 * Makefile.in (TM_ENDIAN_CONFIG): Define.
4891 (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
4892 * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
4893 TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
4894 Don't add default cpu to multilib list unnecessarily, but do enable
4895 the relevant compiler option..
4896 Add support for --with-multilib-list=<blank> and
4897 --with-multilib-list=!<somelib> to supress unwanted multilibs.
4898 * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
4899 (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
4900 (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
4901 TM_MULTILIB_CONFIG.
4902 (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
4903 (MULTILIB_OSDIRNAMES): New variable.
4904 * config/sh/t-1e: Delete file.
4905 * config/sh/t-mlib-sh1: Delete file.
4906 * config/sh/t-mlib-sh2: Delete file.
4907 * config/sh/t-mlib-sh2a: Delete file.
4908 * config/sh/t-mlib-sh2a-nofpu: Delete file.
4909 * config/sh/t-mlib-sh2a-single: Delete file.
4910 * config/sh/t-mlib-sh2a-single-only: Delete file.
4911 * config/sh/t-mlib-sh2e: Delete file.
4912 * config/sh/t-mlib-sh3e: Delete file.
4913 * config/sh/t-mlib-sh4: Delete file.
4914 * config/sh/t-mlib-sh4-nofpu: Delete file.
4915 * config/sh/t-mlib-sh4-single: Delete file.
4916 * config/sh/t-mlib-sh4-single-only: Delete file.
4917 * config/sh/t-mlib-sh4a: Delete file.
4918 * config/sh/t-mlib-sh4a-nofpu: Delete file.
4919 * config/sh/t-mlib-sh4a-single: Delete file.
4920 * config/sh/t-mlib-sh4a-single-only: Delete file.
4921 * config/sh/t-mlib-sh4al: Delete file.
4922 * config/sh/t-mlib-sh5-32media: Delete file.
4923 * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
4924 * config/sh/t-mlib-sh5-64media: Delete file.
4925 * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
4926 * config/sh/t-mlib-sh5-compact: Delete file.
4927 * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
4928 * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
4929 * doc/install.texi (Options specification): Add
4930 --with-multilib-list and --with-endian.
4931
4932 2009-04-17 Rafael Avila de Espindola <espindola@google.com>
4933
4934 * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
4935 REVISION_c.
4936 (OBJS-common): Add plugin-version.o.
4937 (plugin-version.o): New.
4938 * gcc-plugin.h (plugin_gcc_version): New.
4939 (plugin_default_version_check): New.
4940 (plugin_init_func, plugin_init): Add version argument.
4941 * plugin-version.c: New.
4942 * plugin.c (str_plugin_gcc_version_name): New.
4943 (try_init_one_plugin): Read plugin_gcc_version from the plugin and
4944 pass it to the init function.
4945 (plugin_default_version_check): New.
4946
4947 2009-04-17 Richard Guenther <rguenther@suse.de>
4948
4949 * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4950 for decl-vs-decl disambiguation.
4951
4952 2009-04-17 Andreas Krebbel <krebbel1@de.ibm.com>
4953
4954 * config/s390/s390.h (s390_tune_attr): New macro definition.
4955 * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
4956
4957 2009-04-17 Richard Guenther <rguenther@suse.de>
4958
4959 * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
4960 (fold_stmt_r): Likewise.
4961 (maybe_fold_reference): New function.
4962 (fold_gimple_assign): Handle cases fold_stmt_r did.
4963 (fold_stmt): Do not use fold_stmt_r.
4964 (fold_stmt_inplace): Likewise.
4965
4966 2009-04-17 Richard Guenther <rguenther@suse.de>
4967
4968 * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
4969 (record_equivalences_from_stmt): Remove useless checks and
4970 simplifications.
4971 * tree-ssa-pre.c (eliminate): Avoid converting a constant if
4972 the type is already suitable.
4973
4974 2009-04-17 Paolo Bonzini <bonzini@gnu.org>
4975
4976 * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
4977
4978 2009-04-17 Uros Bizjak <ubizjak@gmail.com>
4979
4980 * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
4981 (CMPtype): Define as __gcc_CMPtype.
4982
4983 2009-04-17 Aurelien Jarno <aurelien@aurel32.net>
4984
4985 * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
4986 for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
4987
4988 2009-04-17 Richard Guenther <rguenther@suse.de>
4989
4990 PR tree-optimization/39746
4991 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
4992 special-casing for builtins and static variable use/def.
4993 (call_may_clobber_ref_p_1): Likewise.
4994
4995 2009-04-16 Ian Lance Taylor <iant@google.com>
4996
4997 * df.h: Include "timevar.h".
4998 (struct df_problem): Change tv_id field to timevar_id_t.
4999 * tree-pass.h: Include "timevar.h".
5000 (struct opt_pass): Change tv_id field to timevar_id_t.
5001 * timevar.h (timevar_id_t): Define TV_NONE.
5002 * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
5003 TV_NONE rather than tv_id != 0.
5004 (execute_one_pass): Likewise.
5005 * Makefile.in (DF_H): Add $(TIMEVAR_H).
5006 (TREE_PASS_H): Define. Change all instances of tree-pass.h in
5007 dependencies to $(TREE_PASS_H).
5008 * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
5009 to TV_NONE.
5010 (pass_branch_target_load_optimize2): Likewise.
5011 * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
5012 (pass_outof_cfg_layout_mode): Likewise.
5013 * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
5014 (pass_rebuild_cgraph_edges): Likewise.
5015 (pass_remove_cgraph_callee_edges): Likewise.
5016 * df-core.c (pass_df_initialize_opt): Likewise.
5017 (pass_df_initialize_no_opt): Likewise.
5018 (pass_df_finish): Likewise.
5019 * emit-rtl.c (pass_unshare_all_rtl): Likewise.
5020 * except.c (pass_set_nothrow_function_flags): Likewise.
5021 (pass_convert_to_eh_region_ranges): Likewise.
5022 * final.c (pass_compute_alignments): Likewise.
5023 * function.c (pass_instantiate_virtual_regs): Likewise.
5024 (pass_init_function): Likewise.
5025 (pass_leaf_regs): Likewise.
5026 (pass_match_asm_constraints): Likewise.
5027 * gimple-low.c (pass_lower_cf): Likewise.
5028 (pass_mark_used_blocks): Likewise.
5029 * init-regs.c (pass_initialize_regs): Likewise.
5030 * integrate.c (pass_initial_value_sets): Likewise.
5031 * ira.c (pass_ira): Likewise.
5032 * jump.c (pass_cleanup_barriers): Likewise.
5033 * omp-low.c (pass_expand_omp): Likewise.
5034 (pass_lower_omp): Likewise.
5035 * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
5036 * recog.c (pass_split_all_insns): Likewise.
5037 (pass_split_after_reload): Likewise.
5038 (pass_split_before_regstack): Likewise.
5039 (pass_split_before_sched2): Likewise.
5040 (pass_split_for_shorten_branches): Likewise.
5041 * reginfo.c (pass_reginfo_init): Likewise.
5042 (pass_subregs_of_mode_init): Likewise.
5043 (pass_subregs_of_mode_finish): Likewise.
5044 * passes.c (pass_postreload): Likewise.
5045 * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
5046 * tree-cfg.c (pass_remove_useless_stmts): Likewise.
5047 (pass_warn_function_return): Likewise.
5048 (pass_warn_function_noreturn): Likewise.
5049 * tree-complex.c (pass_lower_complex): Likewise.
5050 (pass_lower_complex_O0): Likewise.
5051 * tree-if-conv.c (pass_if_conversion): Likewise.
5052 * tree-into-ssa.c (pass_build_ssa): Likewise.
5053 * tree-mudflap.c (pass_mudflap_1): Likewise.
5054 (pass_mudflap_2): Likewise.
5055 * tree-nomudflap.c (pass_mudflap_1): Likewise.
5056 (pass_mudflap_2): Likewise.
5057 * tree-nrv.c (pass_return_slot): Likewise.
5058 * tree-object-size.c (pass_object_sizes): Likewise.
5059 * tree-optimize.c (pass_all_optimizations): Likewise.
5060 (pass_early_local_passes): Likewise.
5061 (pass_all_early_optimizations): Likewise.
5062 (pass_cleanup_cfg): Likewise.
5063 (pass_cleanup_cfg_post_optimizing): Likewise.
5064 (pass_free_datastructures): Likewise.
5065 (pass_free_cfg_annotations): Likewise.
5066 (pass_fixup_cfg): Likewise.
5067 (pass_init_datastructures): Likewise.
5068 * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
5069 (pass_late_warn_uninitialized): Likewise.
5070 (pass_update_address_taken): Likewise.
5071 * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
5072 * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
5073 (pass_cse_sincos): Likewise.
5074 (pass_convert_to_rsqrt): Likewise.
5075 * tree-ssa-structalias.c (pass_build_alias): Likewise.
5076 * tree-stdarg.c (pass_stdarg): Likewise.
5077 * tree-tailcall.c (pass_tail_recursion): Likewise.
5078 (pass_tail_calls): Likewise.
5079 * tree-vect-generic.c (pass_lower_vector): Likewise.
5080 (pass_lower_vector_ssa): Likewise.
5081 * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
5082
5083 2009-04-16 Joseph Myers <joseph@codesourcery.com>
5084
5085 * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
5086 XLR entry.
5087 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
5088 Handle -march=xlr.
5089 * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
5090 logical and signext.
5091
5092 2009-04-16 Kaz Kojima <kkojima@gcc.gnu.org>
5093
5094 PR target/39767
5095 * config/sh/predicates.md (arith_operand): Check if the operand
5096 of TRUNCATE is a REG.
5097
5098 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
5099
5100 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
5101 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
5102
5103 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
5104
5105 * tree-iterator.c (tsi_split_statement_list_after,
5106 tsi_split_statement_list_before): Remove.
5107 * tree-iterator.h: Remove the prototypes for
5108 tsi_split_statement_list_after and tsi_split_statement_list_before.
5109
5110 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
5111
5112 * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
5113 * tree-ssa-propagate.h: Remove the prototype for
5114 stmt_makes_single_load.
5115
5116 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
5117
5118 * emit-rtl.c (set_mem_attrs_from_reg): Remove.
5119 * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
5120
5121 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
5122
5123 * tree-iterator.c (EXPR_LAST_BODY): Remove.
5124
5125 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
5126
5127 * except.c (eh_region_outer_p): Remove.
5128 * except.h: Remove the prototype for eh_region_outer_p.
5129
5130 2009-04-16 Kazu Hirata <kazu@codesourcery.com>
5131
5132 * function.c (current_function_assembler_name): Remove.
5133 * function.h: Remove the prototype for
5134 current_function_assembler_name.
5135
5136 2009-04-16 Ian Lance Taylor <iant@google.com>
5137
5138 * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
5139 (add_reg_note): Call alloc_reg_note.
5140 * rtl.h (alloc_reg_note): Declare.
5141 * combine.c (try_combine): Use alloc_reg_note.
5142 (recog_for_combine, move_deaths): Likewise.
5143 (distribute_notes): Use alloc_reg_note and add_reg_note.
5144 * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
5145 * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
5146 * reload1.c (eliminate_regs_1): Use alloc_reg_note.
5147
5148 2009-04-16 Vladimir Makarov <vmakarov@redhat.com>
5149
5150 PR rtl-optimization/39762
5151 * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
5152 ira_may_move_out_cost): Add comments about way of their usage.
5153 (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
5154
5155 * ira-conflicts.c (process_regs_for_copy): Use function
5156 ira_get_register_move_cost instead of global
5157 ira_register_move_cost.
5158
5159 * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
5160 color_pass, move_spill_restore, update_curr_costs): Ditto.
5161
5162 * ira-lives.c (process_single_reg_class_operands): Ditto.
5163
5164 * ira-emit.c (emit_move_list): Ditto.
5165
5166 * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
5167 (record_reg_classes): Ditto. Use functions
5168 ira_get_register_move_cost and ira_get_may_move_cost instead of
5169 global vars ira_register_move_cost, ira_may_move_out_cost and
5170 ira_may_move_in_cost.
5171 (record_address_regs): Don't call ira_init_register_move_cost.
5172 Use function ira_get_may_move_cost instead of global
5173 ira_may_move_in_cost.
5174 (process_bb_node_for_hard_reg_moves): Use function
5175 ira_get_register_move_cost instead of global ira_register_move_cost.
5176 (ira_costs): Don't call ira_init_register_move_cost.
5177
5178 2009-04-16 Richard Guenther <rguenther@suse.de>
5179
5180 * tree-cfg.c (verify_gimple_assign_binary):
5181 Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
5182 * ipa-struct-reorg.c (gen_size): Fold the built expressions.
5183 (create_general_new_stmt): Note that this function is broken.
5184
5185 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
5186
5187 * common.opt (fhelp): Add Var(help_flag).
5188 * gcc-plugin.h (plugin_info): Add help.
5189 * plugin.c (plugin_name_args): Add help.
5190 (register_plugin_info): Set plugin->help.
5191 (print_help_one_plugin): New.
5192 (print_plugins_help): New.
5193 * plugin.h (print_plugins_help): New.
5194 * toplev.c (toplev_main): Call print_plugins_help if needed.
5195
5196 2009-04-16 Richard Guenther <rguenther@suse.de>
5197
5198 * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
5199 (gimple_ior_addresses_taken_1): New function.
5200 (gimple_ior_addresses_taken): Likewise.
5201 * gimple.h (struct gimple_statement_with_ops_base): Remove
5202 addresses_taken member.
5203 (gimple_ior_addresses_taken): Declare.
5204 (gimple_addresses_taken, gimple_addresses_taken_ptr,
5205 gimple_set_addresses_taken): Remove.
5206 * ipa-reference.c (mark_address): New function.
5207 (scan_stmt_for_static_refs): Use it for marking addresses taken.
5208 * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
5209 (mark_address_taken): ... this. Just set TREE_ADDRESSABLE.
5210 (gimple_add_to_addresses_taken): Remove.
5211 (get_tmr_operands): Call mark_address_taken.
5212 (get_asm_expr_operands): Likewise.
5213 (get_expr_operands): Likewise.
5214 (build_ssa_operands): Do not clear the addresses_taken bitmap.
5215 (free_stmt_operands): Do not free it.
5216 * tree-ssa.c (delete_tree_ssa): Likewise.
5217 (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
5218
5219 2009-04-16 Richard Guenther <rguenther@suse.de>
5220
5221 * gimple.h (walk_stmt_load_store_addr_ops): Declare.
5222 (walk_stmt_load_store_ops): Likewise.
5223 * gimple.c (get_base_loadstore): New function.
5224 (walk_stmt_load_store_addr_ops): Likewise.
5225 (walk_stmt_load_store_ops): Likewise.
5226 * ipa-pure-const.c (check_op): Simplify.
5227 (check_load, check_store): New functions.
5228 (check_stmt): Use walk_stmt_load_store_ops.
5229 * ipa-reference.c (mark_load): Adjust signature.
5230 (mark_store): Likewise.
5231 (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
5232
5233 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
5234
5235 * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
5236 (plugin_info): New.
5237 * opts.c (common_handle_option): Don't call print_version.
5238 * plugin.c (plugin_name_args): Add version.
5239 (register_plugin_info): New.
5240 (register_callback): Handle PLUGIN_INFO.
5241 (try_init_one_plugin): New.
5242 (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
5243 if failed to init.
5244 (finalize_one_plugin): New.
5245 (finalize_plugins): New.
5246 (print_one_plugin): New.
5247 (print_plugins_versions): New.
5248 * plugin.h (print_plugins_versions): New.
5249 (finalize_plugins): New.
5250 * toplev.c (compile_file): Don't call initialize_plugins.
5251 (print_version): Call print_plugins_versions.
5252 (toplev_main): Call initialize_plugins. Print version if needed.
5253 Call finalize_plugins.
5254
5255 2009-04-16 Rafael Avila de Espindola <espindola@google.com>
5256
5257 * common.opt (fversion): New.
5258 * gcc.c (print_version): New.
5259 (process_command): Don't print the version. Just set print_version.
5260 (main): Print version. Call subprocesses if print_version and
5261 verbose_flag are set.
5262 * opts.c (common_handle_option): Handle OPT_fversion.
5263
5264 2009-04-16 Richard Guenther <rguenther@suse.de>
5265 Ira Rosen <irar@il.ibm.com>
5266
5267 PR tree-optimization/39698
5268 * tree-vect-loop.c (get_initial_def_for_reduction): Use the
5269 type of the reduction variable. Only generate the def if
5270 it is needed.
5271
5272 * omp-low.c (expand_omp_for_generic): When converting to a pointer
5273 make sure to first convert to an integer of the same precision.
5274 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
5275 the type of the evolution correctly in computing the new
5276 induction variable base.
5277
5278 2009-04-16 Richard Guenther <rguenther@suse.de>
5279
5280 PR middle-end/39625
5281 * tree-cfg.c (make_blocks): Split statements with to-be
5282 abnormal SSA names on the lhs.
5283
5284 2009-04-16 Paolo Bonzini <bonzini@gnu.org>
5285
5286 * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
5287 Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
5288 * c-typeck.c (really_start_incremental_init): Likewise.
5289 * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
5290 (TARGET_INITIALIZER): Remove it.
5291 * target.h (struct target): Remove vector_opaque_p.
5292 * tree.c (build_opaque_vector_type): New.
5293 * tree.h (TYPE_VECTOR_OPAQUE): New.
5294 (build_opaque_vector_type): Declare.
5295 * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
5296 * config/rs6000/rs6000.c (build_opaque_vector_type,
5297 rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
5298 (rs6000_init_builtins): Use build_opaque_vector_type for
5299 opaque_V4SI_type_node.
5300
5301 2009-04-15 Catherine Moore <clm@codesourcery.com>
5302
5303 * debug.h (set_name): Declare.
5304 * dwarf2out.c (dwarf2out_set_name): Declare.
5305 (dwarf2_debug_hooks): Add set_name.
5306 (find_AT_string): New.
5307 (add_AT_string): Call find_AT_string.
5308 (dwarf2out_set_name): New.
5309 * cp/decl.c (grokdeclarator): Call set_name.
5310 * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
5311 * debug.c (do_nothing_debug_hooks): Likewise.
5312 * dbxout.c (dbx_debug_hooks): Likewise.
5313 * sdbout.c (sdb_debug_hooks): Likewise.
5314
5315 2009-04-15 Michael Eager <eager@eagercon.com>
5316
5317 * config/rs6000/rs6000.c (rs6000_function_value): Set function return
5318 reg for single-precision FPU.
5319 * config/rs6000/rs6000.md (movsi_internal1): Only for
5320 !TARGET_SINGLE_FPU.
5321 (movsi_internal1_single): New. Add pattern to move SI values to/from
5322 single-precision FP regs.
5323
5324 2009-04-15 Richard Guenther <rguenther@suse.de>
5325
5326 * omp-low.c (lower_rec_input_clauses): Build correct address
5327 expressions.
5328 (expand_omp_for_generic): Fix multiplication type.
5329 * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
5330 (generate_memset_zero): Fix types.
5331 * tree-profile.c (prepare_instrumented_value): Correctly
5332 widen a pointer.
5333
5334 2009-04-15 Ian Lance Taylor <iant@google.com>
5335
5336 * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1.
5337 * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
5338 for -Wall and for -Wc++-compat.
5339 (c_common_post_options): For C++, set warn_enum_compare if not
5340 already set.
5341 * c-tree.h (struct c_expr): Add field original_type.
5342 (build_external_ref): Update declaration.
5343 * c-parser.c (c_parser_braced_init): Set original_type.
5344 (c_parser_initelt): Likewise.
5345 (c_parser_expr_no_commas): Likewise.
5346 (c_parser_conditional_expression): Likewise.
5347 (c_parser_cast_expression): Likewise.
5348 (c_parser_unary_expression): Likewise. Pull setting of
5349 original_code to top of function.
5350 (c_parser_sizeof_expression): Set original_type.
5351 (c_parser_alignof_expression): Likewise.
5352 (c_parser_postfix_expression): Likewise. Pull setting of
5353 original_code to top of function.
5354 (c_parser_postfix_expression_after_paren_type): Set original_type.
5355 (c_parser_postfix_expression_after_primary): Likewise.
5356 (c_parser_expression): Likewise.
5357 * c-typeck.c (build_external_ref): Add type parameter. Change all
5358 callers.
5359 (c_expr_sizeof_expr): Set original_type field.
5360 (parser_build_unary_op): Likewise.
5361 (parser_build_binary_op): Likewise. Optionally warn about
5362 comparisons of enums of different types.
5363 (digest_init): Set original_type field.
5364 (really_start_incremental_init): Likewise.
5365 (push_init_level, pop_init_level): Likewise.
5366 * doc/invoke.texi (Warning Options): -Wenum-compare now
5367 supported in C.
5368
5369 2009-04-15 Richard Guenther <rguenther@suse.de>
5370
5371 * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
5372 out a necessary conversion.
5373 * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
5374 names we didn't value number.
5375 * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
5376
5377 2009-04-15 Richard Guenther <rguenther@suse.de>
5378
5379 PR tree-optimization/39764
5380 * tree-ssa-ccp.c (get_value): Canonicalize value with
5381 canonicalize_float_value.
5382
5383 2009-04-15 Jan Hubicka <jh@suse.cz>
5384
5385 * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
5386 Wrong version of patch.
5387
5388 2009-04-15 Jan Hubicka <jh@suse.cz>
5389
5390 * builtins.def (va_start, va_end, va_copy): Mark nothrow.
5391
5392 2009-04-15 Nathan Sidwell <nathan@codesourcery.com>
5393
5394 * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
5395 our distinct integral and vector types.
5396
5397 2009-04-15 Rafael Avila de Espindola <espindola@google.com>
5398
5399 * class.c (build_vtbl_ref_1): Remove call to assemble_external.
5400 * init.c (build_vtbl_address): Remove call to assemble_external.
5401
5402 2009-04-14 Daniel Jacobowitz <dan@codesourcery.com>
5403
5404 * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
5405 output for other floating point modes.
5406
5407 2009-04-14 Diego Novillo <dnovillo@google.com>
5408
5409 * diagnostic.c (diagnostic_report_diagnostic): Do not
5410 warn about loaded plugins for DK_ERROR and DK_WARNING.
5411 * c-decl.c (declspecs_add_type): Move call to
5412 invoke_plugin_callbacks ...
5413 * c-parser.c (c_parser_declspecs): ... here.
5414 * plugin.c (dump_active_plugins): Tidy output.
5415
5416 2009-04-14 Diego Novillo <dnovillo@google.com>
5417 Le-Chun Wu <lcwu@google.com>
5418
5419 * configure.ac: Add --enable-plugin support.
5420 Define ENABLE_PLUGIN and PLUGINLIBS when specified.
5421 * Makefile.in (PLUGIN_H): Define.
5422 Export ENABLE_PLUGIN and GMPINC to site.exp.
5423 Add PLUGINLIBS to link command.
5424 Add/modify dependencies for plugin.o and files including plugin.h.
5425 (plugin.o): New.
5426 * config.in: Regenerate.
5427
5428 * opts.c (common_handle_option): Handle OPT_fplugin_ and
5429 OPT_fplugin_arg_.
5430
5431 2009-04-14 Le-Chun Wu <lcwu@google.com>
5432
5433 * tree-pass.h (register_one_dump_file): Add a prototype for
5434 register_one_dump_file.
5435 * toplev.c (compile_file): Call initialize_plugins.
5436 (do_compile): Call invoke_plugin_callbacks.
5437 (toplev_main): Call invoke_plugin_callbacks.
5438 * common.opt: Add -fplugin= and -fplugin-arg-.
5439 * gcc-plugin.h: New public header file for plugins to include.
5440 * plugin.c: New source file.
5441 * plugin.h: New internal header file.
5442 * passes.c (register_one_dump_file): Make it external.
5443
5444 * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
5445
5446 2009-04-14 Diego Novillo <dnovillo@google.com>
5447
5448 * doc/plugins.texi: New.
5449 * doc/gccint.texi: Add reference to Plugins chapter.
5450 * doc/invoke.texi: Document -fplugin and -fplugin-arg
5451 * diagnostic.c (diagnostic_report_diagnostic): Warn about
5452 loaded plugins, if any.
5453 * timevar.def (TV_PLUGIN_INIT): Define.
5454 (TV_PLUGIN_RUN): Define.
5455 * plugin.c: Include timevar.h
5456 (plugins_active_p): New.
5457 (dump_active_plugins): New.
5458 (debug_active_plugins): New.
5459
5460 2009-04-14 Joseph Myers <joseph@codesourcery.com>
5461
5462 * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
5463 library paths.
5464 * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
5465
5466 2009-04-14 Kazu Hirata <kazu@codesourcery.com>
5467
5468 * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
5469 the same as a minus without a shift.
5470
5471 2009-04-14 Nick Clifton <nickc@redhat.com>
5472
5473 * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
5474 comparisons with small integers will always produce a short
5475 branch.
5476
5477 2009-04-14 Rafael Avila de Espindola <espindola@google.com>
5478
5479 Merge:
5480 2008-12-19 Diego Novillo <dnovillo@google.com>
5481
5482 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
5483
5484 2009-04-14 Richard Guenther <rguenther@suse.de>
5485
5486 * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
5487 verification.
5488 (verify_gimple_assign_binary): Likewise. Handle shifts and
5489 rotates correctly.
5490 (verify_gimple_phi): Print the mismatched argument position.
5491 * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
5492 Fix types.
5493 (vect_update_init_of_dr): Likewise.
5494 * matrix-reorg.c (transform_access_sites): Do what the
5495 comment suggests.
5496 * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
5497
5498 2009-04-13 Michael Eager <eager@eagercon.com>
5499
5500 * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
5501 _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
5502 * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi
5503 * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
5504 remove duplicate config
5505
5506 2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
5507
5508 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
5509 file_name:line_number type locator of the call site.
5510
5511 2009-04-13 Vladimir Makarov <vmakarov@redhat.com>
5512
5513 * genautomata.c: Put blank after comma.
5514 (automaton_decls): New.
5515 (struct unit_usage): Add comments to member next.
5516 (store_alt_unit_usage): Keep the list ordered.
5517 (unit_present_on_list_p, equal_alternatives_p): New.
5518 (check_regexp_units_distribution): Check units distribution
5519 correctness correctly.
5520 (main): Don't write automata if error is found. Return correct
5521 exit code.
5522
5523 * config/m68k/cf.md (cfv4_ds): Remove.
5524 (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
5525 cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
5526
5527 * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
5528 power4-load-ext, power4-store, power4-store-update,
5529 power4-fpstore, power4-fpstore-update, power4-two, power4-three,
5530 power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
5531 power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
5532 power4-sqrt, power4-isync): Modify reservation to make correct
5533 unit distribution to automata.
5534
5535 * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
5536 power5-store-update, power5-two, power5-three, power5-lmul,
5537 power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
5538
5539 2009-04-13 Adam Nemet <anemet@caviumnetworks.com>
5540
5541 * except.c (pass_set_nothrow_function_flags): Set name and add
5542 TODO_dump_func.
5543 (set_nothrow_function_flags): Mention in the dump file when
5544 changing a function to nothrow.
5545
5546 2009-04-13 Ozkan Sezer <sezeroz@gmail.com>
5547
5548 PR/39066
5549 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
5550 instead of unsigned long.
5551
5552 2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5553
5554 * config/arm/arm.c (return_used_this_function): Remove.
5555 (arm_output_function_prologue): Remove use of
5556 return_used_this_function.
5557 (output_return_instruction): Replace use of
5558 return_used_this_function
5559 by cfun->machine->return_used_this_function.
5560 (arm_output_epilogue): Likewise.
5561 (arm_output_function_epilogue): Likewise.
5562 (thumb_unexpanded_epilogue): Likewise.
5563 * config/arm/arm.h (struct machine_function):
5564 New member return_used_this_function.
5565
5566 2009-04-12 Mark Mitchell <mark@codesourcery.com>
5567
5568 * doc/install.texi: Correct description of default directory for
5569 --with-gxx-include-dir.
5570
5571 2009-04-12 Eric Botcazou <ebotcazou@adacore.com>
5572
5573 * fold-const.c (build_range_check): Properly deal with enumeral and
5574 boolean base types.
5575
5576 2009-04-12 Steven Bosscher <steven@gcc.gnu.org>
5577
5578 * doc/invoke.texi (max_gcse_passes): Remove documentation.
5579 * params.def (PARAM_MAX_GCSE_PASSES): Remove.
5580 * params.h (MAX_GCSE_PASSES): Remove.
5581 * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
5582 in sequence. Remove ability to run multiple passes.
5583 (bypass_jumps): Report run as third CPROP pass.
5584
5585 2009-04-12 Adam Nemet <anemet@caviumnetworks.com>
5586
5587 PR middle-end/39651
5588 * except.c (can_throw_external): Look at each insn in a SEQUENCE
5589 when deciding whether the whole SEQUENCE can throw.
5590
5591 2009-04-12 Uros Bizjak <ubizjak@gmail.com>
5592
5593 PR target/39740
5594 * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
5595 offseted label references.
5596
5597 2009-04-11 Jan Hubicka <jh@suse.cz>
5598
5599 * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
5600
5601 2009-04-11 Richard Guenther <rguenther@suse.de>
5602
5603 PR middle-end/39732
5604 * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
5605 return variables as TREE_ADDRESSABLE.
5606
5607 2009-04-11 Richard Guenther <rguenther@suse.de>
5608
5609 PR tree-optimization/39713
5610 * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
5611 reference trees have SSA_NAME operands.
5612
5613 2009-04-11 Richard Guenther <rguenther@suse.de>
5614
5615 PR c/39712
5616 * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
5617 address expressions.
5618
5619 2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com>
5620
5621 * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to
5622 match changes in Cygwin 1.7
5623 (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
5624 UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise.
5625
5626 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
5627
5628 PR tree-optimization/39701
5629 * doc/invoke.texi (Optimization Options): Document change in
5630 meaning and initialization of -fdelete-null-pointer-checks.
5631
5632 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
5633
5634 PR middle-end/39701
5635 * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
5636
5637 * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
5638 here.
5639
5640 * doc/invoke.texi: Update -fdelete-null-pointer-checks.
5641
5642 2009-04-10 Chao-ying Fu <fu@mips.com>
5643
5644 * doc/tm.texi (Instruction Output): Document
5645 TARGET_ASM_FINAL_POSTSCAN_INSN.
5646 * target.h (final_postscan_insn): New field in asm_out.
5647 * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5648 (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
5649 * final.c (final_scan_insn): Call
5650 targetm.asm_out.final_postscan_insn after outputting
5651 an asm macro and a normal instruction.
5652
5653 * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
5654 * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
5655 * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
5656 (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
5657 (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
5658
5659 2009-04-10 Paolo Bonzini <bonzini@gnu.org>
5660
5661 PR middle-end/39701
5662 * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
5663 variables as non-NULL even with -fdelete-null-pointer-checks.
5664
5665 2009-04-10 H.J. Lu <hongjiu.lu@intel.com>
5666
5667 * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
5668
5669 2009-04-09 H.J. Lu <hongjiu.lu@intel.com>
5670
5671 PR target/39678
5672 * config/i386/i386.c (classify_argument): Handle SCmode with
5673 (bit_offset % 64) != 0.
5674
5675 2009-04-09 Sandra Loosemore <sandra@codesourcery.com>
5676
5677 * doc/invoke.texi (Optimize Options): Add cross-reference to
5678 -Q --help=optimizers examples.
5679
5680 2009-04-10 Ben Elliston <bje@au.ibm.com>
5681
5682 PR target/36800
5683 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
5684 regalign for the reg == fpr and TDmode case.
5685
5686 2009-04-09 David Ayers <ayers@fsfe.org>
5687
5688 PR objc/29200
5689 * objc/objc-act.c (warn_with_method): Remove helper function.
5690 (check_duplicates): Call warning and inform directly.
5691 (really_start_method): Likewise.
5692
5693 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
5694
5695 * expmed.c (expand_divmod): Always use a comparison for a division
5696 by a large unsigned integer.
5697
5698 * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
5699 for things others than variables or functions as nonzero.
5700
5701 2009-04-09 Nick Clifton <nickc@redhat.com>
5702
5703 * unwind-compat.c: Change copyright header to refer to version
5704 3 of the GNU General Public License with version 3.1 of the
5705 GCC Runtime Library Exception and to point readers at the
5706 COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
5707 * config/alpha/crtfastmath.c: Likewise.
5708 * config/alpha/linux-unwind.h: Likewise.
5709 * config/alpha/qrnnd.asm: Likewise.
5710 * config/alpha/vms-crt0-64.c: Likewise.
5711 * config/alpha/vms-crt0.c: Likewise.
5712 * config/alpha/vms-dwarf2.asm: Likewise.
5713 * config/alpha/vms-dwarf2eh.asm: Likewise.
5714 * config/alpha/vms-psxcrt0-64.c: Likewise.
5715 * config/alpha/vms-psxcrt0.c: Likewise.
5716 * config/alpha/vms_tramp.asm: Likewise.
5717 * config/arc/initfini.c: Likewise.
5718 * config/arc/lib1funcs.asm: Likewise.
5719 * config/arm/bpabi-v6m.S: Likewise.
5720 * config/arm/bpabi.S: Likewise.
5721 * config/arm/bpabi.c: Likewise.
5722 * config/arm/crti.asm: Likewise.
5723 * config/arm/crtn.asm: Likewise.
5724 * config/arm/ieee754-df.S: Likewise.
5725 * config/arm/ieee754-sf.S: Likewise.
5726 * config/arm/lib1funcs.asm: Likewise.
5727 * config/arm/libunwind.S: Likewise.
5728 * config/arm/linux-atomic.c: Likewise.
5729 * config/arm/mmintrin.h: Likewise.
5730 * config/arm/pr-support.c: Likewise.
5731 * config/arm/unaligned-funcs.c: Likewise.
5732 * config/arm/unwind-arm.c: Likewise.
5733 * config/arm/unwind-arm.h: Likewise.
5734 * config/avr/libgcc.S: Likewise.
5735 * config/bfin/crti.s: Likewise.
5736 * config/bfin/crtlibid.s: Likewise.
5737 * config/bfin/crtn.s: Likewise.
5738 * config/bfin/lib1funcs.asm: Likewise.
5739 * config/bfin/linux-unwind.h: Likewise.
5740 * config/cris/arit.c: Likewise.
5741 * config/cris/cris_abi_symbol.c: Likewise.
5742 * config/darwin-64.c: Likewise.
5743 * config/darwin-crt2.c: Likewise.
5744 * config/darwin-crt3.c: Likewise.
5745 * config/darwin.h: Likewise.
5746 * config/dbxelf.h: Likewise.
5747 * config/dfp-bit.c: Likewise.
5748 * config/dfp-bit.h: Likewise.
5749 * config/elfos.h: Likewise.
5750 * config/fixed-bit.c: Likewise.
5751 * config/fixed-bit.h: Likewise.
5752 * config/fp-bit.c: Likewise.
5753 * config/fp-bit.h: Likewise.
5754 * config/fr30/crti.asm: Likewise.
5755 * config/fr30/crtn.asm: Likewise.
5756 * config/fr30/lib1funcs.asm: Likewise.
5757 * config/freebsd-spec.h: Likewise.
5758 * config/frv/cmovd.c: Likewise.
5759 * config/frv/cmovh.c: Likewise.
5760 * config/frv/cmovw.c: Likewise.
5761 * config/frv/frvbegin.c: Likewise.
5762 * config/frv/frvend.c: Likewise.
5763 * config/frv/lib1funcs.asm: Likewise.
5764 * config/glibc-stdint.h: Likewise.
5765 * config/h8300/clzhi2.c: Likewise.
5766 * config/h8300/crti.asm: Likewise.
5767 * config/h8300/crtn.asm: Likewise.
5768 * config/h8300/ctzhi2.c: Likewise.
5769 * config/h8300/fixunssfsi.c: Likewise.
5770 * config/h8300/lib1funcs.asm: Likewise.
5771 * config/h8300/parityhi2.c: Likewise.
5772 * config/h8300/popcounthi2.c: Likewise.
5773 * config/i386/ammintrin.h: Likewise.
5774 * config/i386/att.h: Likewise.
5775 * config/i386/avxintrin.h: Likewise.
5776 * config/i386/biarch64.h: Likewise.
5777 * config/i386/bmmintrin.h: Likewise.
5778 * config/i386/cpuid.h: Likewise.
5779 * config/i386/cross-stdarg.h: Likewise.
5780 * config/i386/crtfastmath.c: Likewise.
5781 * config/i386/crtprec.c: Likewise.
5782 * config/i386/cygming-crtbegin.c: Likewise.
5783 * config/i386/cygming-crtend.c: Likewise.
5784 * config/i386/cygwin.asm: Likewise.
5785 * config/i386/emmintrin.h: Likewise.
5786 * config/i386/gmm_malloc.h: Likewise.
5787 * config/i386/gthr-win32.c: Likewise.
5788 * config/i386/i386.h: Likewise.
5789 * config/i386/immintrin.h: Likewise.
5790 * config/i386/linux-unwind.h: Likewise.
5791 * config/i386/linux64.h: Likewise.
5792 * config/i386/mm3dnow.h: Likewise.
5793 * config/i386/mmintrin-common.h: Likewise.
5794 * config/i386/mmintrin.h: Likewise.
5795 * config/i386/nmmintrin.h: Likewise.
5796 * config/i386/pmm_malloc.h: Likewise.
5797 * config/i386/pmmintrin.h: Likewise.
5798 * config/i386/smmintrin.h: Likewise.
5799 * config/i386/sol2-c1.asm: Likewise.
5800 * config/i386/sol2-ci.asm: Likewise.
5801 * config/i386/sol2-cn.asm: Likewise.
5802 * config/i386/sol2-gc1.asm: Likewise.
5803 * config/i386/tmmintrin.h: Likewise.
5804 * config/i386/unix.h: Likewise.
5805 * config/i386/w32-unwind.h: Likewise.
5806 * config/i386/wmmintrin.h: Likewise.
5807 * config/i386/x86-64.h: Likewise.
5808 * config/i386/x86intrin.h: Likewise.
5809 * config/i386/xmmintrin.h: Likewise.
5810 * config/ia64/crtbegin.asm: Likewise.
5811 * config/ia64/crtend.asm: Likewise.
5812 * config/ia64/crtfastmath.c: Likewise.
5813 * config/ia64/crti.asm: Likewise.
5814 * config/ia64/crtn.asm: Likewise.
5815 * config/ia64/fde-glibc.c: Likewise.
5816 * config/ia64/lib1funcs.asm: Likewise.
5817 * config/ia64/linux-unwind.h: Likewise.
5818 * config/ia64/quadlib.c: Likewise.
5819 * config/ia64/unwind-ia64.c: Likewise.
5820 * config/linux.h: Likewise.
5821 * config/m32c/m32c-lib1.S: Likewise.
5822 * config/m32c/m32c-lib2-trapv.c: Likewise.
5823 * config/m32c/m32c-lib2.c: Likewise.
5824 * config/m32r/initfini.c: Likewise.
5825 * config/m68hc11/larith.asm: Likewise.
5826 * config/m68hc11/m68hc11-crt0.S: Likewise.
5827 * config/m68k/cf.md: Likewise.
5828 * config/m68k/crti.s: Likewise.
5829 * config/m68k/crtn.s: Likewise.
5830 * config/m68k/lb1sf68.asm: Likewise.
5831 * config/m68k/linux-unwind.h: Likewise.
5832 * config/mcore/crti.asm: Likewise.
5833 * config/mcore/crtn.asm: Likewise.
5834 * config/mcore/lib1.asm: Likewise.
5835 * config/mips/linux-unwind.h: Likewise.
5836 * config/mips/loongson.h: Likewise.
5837 * config/mips/mips16.S: Likewise.
5838 * config/mmix/crti.asm: Likewise.
5839 * config/mmix/crtn.asm: Likewise.
5840 * config/pa/fptr.c: Likewise.
5841 * config/pa/hpux-unwind.h: Likewise.
5842 * config/pa/lib2funcs.asm: Likewise.
5843 * config/pa/linux-atomic.c: Likewise.
5844 * config/pa/linux-unwind.h: Likewise.
5845 * config/pa/milli64.S: Likewise.
5846 * config/pa/quadlib.c: Likewise.
5847 * config/pa/stublib.c: Likewise.
5848 * config/picochip/libgccExtras/adddi3.asm: Likewise.
5849 * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
5850 * config/picochip/libgccExtras/ashlsi3.c: Likewise.
5851 * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
5852 * config/picochip/libgccExtras/ashrsi3.c: Likewise.
5853 * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
5854 * config/picochip/libgccExtras/divmod15.asm: Likewise.
5855 * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
5856 * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
5857 * config/picochip/libgccExtras/longjmp.asm: Likewise.
5858 * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
5859 * config/picochip/libgccExtras/lshrsi3.c: Likewise.
5860 * config/picochip/libgccExtras/parityhi2.asm: Likewise.
5861 * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
5862 * config/picochip/libgccExtras/setjmp.asm: Likewise.
5863 * config/picochip/libgccExtras/subdi3.asm: Likewise.
5864 * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
5865 * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
5866 * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
5867 * config/rs6000/750cl.h: Likewise.
5868 * config/rs6000/altivec.h: Likewise.
5869 * config/rs6000/biarch64.h: Likewise.
5870 * config/rs6000/crtresfpr.asm: Likewise.
5871 * config/rs6000/crtresgpr.asm: Likewise.
5872 * config/rs6000/crtresxfpr.asm: Likewise.
5873 * config/rs6000/crtresxgpr.asm: Likewise.
5874 * config/rs6000/crtsavfpr.asm: Likewise.
5875 * config/rs6000/crtsavgpr.asm: Likewise.
5876 * config/rs6000/darwin-asm.h: Likewise.
5877 * config/rs6000/darwin-fallback.c: Likewise.
5878 * config/rs6000/darwin-fpsave.asm: Likewise.
5879 * config/rs6000/darwin-ldouble.c: Likewise.
5880 * config/rs6000/darwin-tramp.asm: Likewise.
5881 * config/rs6000/darwin-unwind.h: Likewise.
5882 * config/rs6000/darwin-vecsave.asm: Likewise.
5883 * config/rs6000/darwin-world.asm: Likewise.
5884 * config/rs6000/e500crtres32gpr.asm: Likewise.
5885 * config/rs6000/e500crtres64gpr.asm: Likewise.
5886 * config/rs6000/e500crtres64gprctr.asm: Likewise.
5887 * config/rs6000/e500crtrest32gpr.asm: Likewise.
5888 * config/rs6000/e500crtrest64gpr.asm: Likewise.
5889 * config/rs6000/e500crtresx32gpr.asm: Likewise.
5890 * config/rs6000/e500crtresx64gpr.asm: Likewise.
5891 * config/rs6000/e500crtsav32gpr.asm: Likewise.
5892 * config/rs6000/e500crtsav64gpr.asm: Likewise.
5893 * config/rs6000/e500crtsav64gprctr.asm: Likewise.
5894 * config/rs6000/e500crtsavg32gpr.asm: Likewise.
5895 * config/rs6000/e500crtsavg64gpr.asm: Likewise.
5896 * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
5897 * config/rs6000/eabi-ci.asm: Likewise.
5898 * config/rs6000/eabi-cn.asm: Likewise.
5899 * config/rs6000/eabi.asm: Likewise.
5900 * config/rs6000/linux-unwind.h: Likewise.
5901 * config/rs6000/linux64.h: Likewise.
5902 * config/rs6000/paired.h: Likewise.
5903 * config/rs6000/paired.md: Likewise.
5904 * config/rs6000/ppc64-fp.c: Likewise.
5905 * config/rs6000/ppu_intrinsics.h: Likewise.
5906 * config/rs6000/rs6000.h: Likewise.
5907 * config/rs6000/si2vmx.h: Likewise.
5908 * config/rs6000/sol-ci.asm: Likewise.
5909 * config/rs6000/sol-cn.asm: Likewise.
5910 * config/rs6000/spe.h: Likewise.
5911 * config/rs6000/spu2vmx.h: Likewise.
5912 * config/rs6000/sysv4.h: Likewise.
5913 * config/rs6000/tramp.asm: Likewise.
5914 * config/rs6000/vec_types.h: Likewise.
5915 * config/s390/linux-unwind.h: Likewise.
5916 * config/s390/tpf-unwind.h: Likewise.
5917 * config/score/crti.asm: Likewise.
5918 * config/score/crtn.asm: Likewise.
5919 * config/sh/crt1.asm: Likewise.
5920 * config/sh/crti.asm: Likewise.
5921 * config/sh/crtn.asm: Likewise.
5922 * config/sh/divtab-sh4-300.c: Likewise.
5923 * config/sh/divtab-sh4.c: Likewise.
5924 * config/sh/divtab.c: Likewise.
5925 * config/sh/lib1funcs-4-300.asm: Likewise.
5926 * config/sh/lib1funcs-Os-4-200.asm: Likewise.
5927 * config/sh/lib1funcs.asm: Likewise.
5928 * config/sh/lib1funcs.h: Likewise.
5929 * config/sh/linux-atomic.asm: Likewise.
5930 * config/sh/linux-unwind.h: Likewise.
5931 * config/sh/shmedia.h: Likewise.
5932 * config/sh/sshmedia.h: Likewise.
5933 * config/sh/ushmedia.h: Likewise.
5934 * config/sparc/crtfastmath.c: Likewise.
5935 * config/sparc/linux-unwind.h: Likewise.
5936 * config/sparc/sol2-c1.asm: Likewise.
5937 * config/sparc/sol2-ci.asm: Likewise.
5938 * config/sparc/sol2-cn.asm: Likewise.
5939 * config/spu/divmodti4.c: Likewise.
5940 * config/spu/divv2df3.c: Likewise.
5941 * config/spu/float_disf.c: Likewise.
5942 * config/spu/float_unsdidf.c: Likewise.
5943 * config/spu/float_unsdisf.c: Likewise.
5944 * config/spu/float_unssidf.c: Likewise.
5945 * config/spu/mfc_multi_tag_release.c: Likewise.
5946 * config/spu/mfc_multi_tag_reserve.c: Likewise.
5947 * config/spu/mfc_tag_release.c: Likewise.
5948 * config/spu/mfc_tag_reserve.c: Likewise.
5949 * config/spu/mfc_tag_table.c: Likewise.
5950 * config/spu/multi3.c: Likewise.
5951 * config/spu/spu_internals.h: Likewise.
5952 * config/spu/spu_intrinsics.h: Likewise.
5953 * config/spu/spu_mfcio.h: Likewise.
5954 * config/spu/vec_types.h: Likewise.
5955 * config/spu/vmx2spu.h: Likewise.
5956 * config/stormy16/stormy16-lib2.c: Likewise.
5957 * config/svr4.h: Likewise.
5958 * config/sync.c: Likewise.
5959 * config/v850/lib1funcs.asm: Likewise.
5960 * config/vxlib-tls.c: Likewise.
5961 * config/vxlib.c: Likewise.
5962 * config/vxworks-dummy.h: Likewise.
5963 * config/xtensa/crti.asm: Likewise.
5964 * config/xtensa/crtn.asm: Likewise.
5965 * config/xtensa/ieee754-df.S: Likewise.
5966 * config/xtensa/ieee754-sf.S: Likewise.
5967 * config/xtensa/lib1funcs.asm: Likewise.
5968 * config/xtensa/lib2funcs.S: Likewise.
5969 * config/xtensa/linux-unwind.h: Likewise.
5970 * config/xtensa/unwind-dw2-xtensa.c: Likewise.
5971 * config/xtensa/unwind-dw2-xtensa.h: Likewise.
5972 * coretypes.h: Likewise.
5973 * crtstuff.c: Likewise.
5974 * defaults.h: Likewise.
5975 * dwarf2.h: Likewise.
5976 * emutls.c: Likewise.
5977 * gbl-ctors.h: Likewise.
5978 * gcov-io.h: Likewise.
5979 * ginclude/float.h: Likewise.
5980 * ginclude/iso646.h: Likewise.
5981 * ginclude/stdarg.h: Likewise.
5982 * ginclude/stdbool.h: Likewise.
5983 * ginclude/stddef.h: Likewise.
5984 * ginclude/stdfix.h: Likewise.
5985 * ginclude/stdint-gcc.h: Likewise.
5986 * ginclude/tgmath.h: Likewise.
5987 * gthr-aix.h: Likewise.
5988 * gthr-dce.h: Likewise.
5989 * gthr-gnat.c: Likewise.
5990 * gthr-gnat.h: Likewise.
5991 * gthr-lynx.h: Likewise.
5992 * gthr-mipssde.h: Likewise.
5993 * gthr-nks.h: Likewise.
5994 * gthr-posix.c: Likewise.
5995 * gthr-posix.h: Likewise.
5996 * gthr-posix95.h: Likewise.
5997 * gthr-rtems.h: Likewise.
5998 * gthr-single.h: Likewise.
5999 * gthr-solaris.h: Likewise.
6000 * gthr-tpf.h: Likewise.
6001 * gthr-vxworks.h: Likewise.
6002 * gthr-win32.h: Likewise.
6003 * gthr.h: Likewise.
6004 * libgcc2.c: Likewise.
6005 * libgcc2.h: Likewise.
6006 * libgcov.c: Likewise.
6007 * tsystem.h: Likewise.
6008 * typeclass.h: Likewise.
6009 * unwind-c.c: Likewise.
6010 * unwind-compat.h: Likewise.
6011 * unwind-dw2-fde-compat.c: Likewise.
6012 * unwind-dw2-fde-darwin.c: Likewise.
6013 * unwind-dw2-fde-glibc.c: Likewise.
6014 * unwind-dw2-fde.c: Likewise.
6015 * unwind-dw2-fde.h: Likewise.
6016 * unwind-dw2.c: Likewise.
6017 * unwind-dw2.h: Likewise.
6018 * unwind-generic.h: Likewise.
6019 * unwind-pe.h: Likewise.
6020 * unwind-sjlj.c: Likewise.
6021 * unwind.inc: Likewise.
6022 * config/arm/neon-gen.ml: Change generated copyright header to
6023 refer to version 3 of the GNU General Public License with
6024 version 3.1 of the GCC Runtime Library Exception and to point
6025 readers at the COPYING3 and COPYING3.RUNTIME files and the
6026 FSF's license web page.
6027 * config/arm/arm_neon.h: Regenerate.
6028
6029 2009-04-09 Jakub Jelinek <jakub@redhat.com>
6030
6031 * config/cris/cris.md: Change copyright header to refer to version
6032 3 of the GNU General Public License.
6033 * doc/install.texi2html: Change copyright header to refer to version
6034 3 of the GNU General Public License and to point readers at the
6035 COPYING3 file and the FSF's license web page.
6036 * config/vax/linux.h: Likewise.
6037
6038 2009-04-09 Paolo Bonzini <bonzini@gnu.org>
6039
6040 * config/i386/i386.md (cmpcc): New.
6041 * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
6042 (sync_compare_and_swap_cc*): Delete.
6043
6044 * config/s390/s390.c (s390_compare_emitted): Remove.
6045 (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
6046 s390_compare_emitted used to be handled. Assert that modes match.
6047 (s390_emit_compare_and_swap): Use s390_emit_compare, do not
6048 refer to sync_compare_and_swap_ccsi.
6049 * config/s390/s390.h (s390_compare_emitted): Remove.
6050 * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
6051 instead of s390_compare_emitted.
6052 (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
6053 instead of s390_compare_emitted.
6054 * config/s390/s390.md (cmpcc): New.
6055 (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
6056 CC_REGNUM, do not pretend it's set.
6057 (sync_compare_and_swap_cc*): Delete.
6058 * config/s390/predicates.md (cc_reg_operand): New.
6059
6060 * expr.c (sync_compare_and_swap_cc): Delete.
6061 * optabs.h (sync_compare_and_swap_cc): Delete.
6062 * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
6063 is being used with can_compare_p.
6064 (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
6065 (find_cc_set): New.
6066 (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
6067 look for a MODE_CC set instead. Use emit_store_flag.
6068 (expand_compare_and_swap_loop): Likewise, with some additional
6069 complication to avoid a force_reg when useless. Use
6070 emit_cmp_and_jump_insns.
6071 * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
6072 * doc/md.texi (sync_compare_and_swap_cc): Merge with
6073 sync_compare_and_swap documentation.
6074
6075 2009-04-09 Jan Hubicka <jh@suse.cz>
6076
6077 * except.c (find_prev_try): Break out from ....
6078 (duplicate_eh_regions): ... here; properly update prev_try pointers
6079 when duplication part of tree.
6080 (dump_eh_tree): Improve dumping.
6081 (verify_eh_region): New.
6082 (verify_eh_tree): Use it.
6083
6084 2009-04-06 Richard Guenther <rguenther@suse.de>
6085
6086 * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
6087 &ARRAY addresses by adjusting their types and prepending
6088 a conversion.
6089 * tree-cfg.c (verify_gimple_assign_single): Verify that
6090 addresses are correct.
6091
6092 2009-04-09 Richard Guenther <rguenther@suse.de>
6093
6094 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
6095 indices into an array reference if possible.
6096 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6097 Fold POINTER_PLUS_EXPR statements with invariant address.
6098
6099 2009-04-09 Alan Modra <amodra@bigpond.net.au>
6100
6101 PR target/39634
6102 * config.gcc (powerpc64-*-linux*): Always build biarch.
6103
6104 2009-04-09 Joseph Myers <joseph@codesourcery.com>
6105
6106 PR c/39613
6107 * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
6108 it and pedwarn if this results in an INTEGER_CST.
6109
6110 2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6111
6112 * doc/install.texi: Update minimum GMP version. Remove obsolete
6113 text in MPFR section.
6114
6115 2009-04-08 Jakub Jelinek <jakub@redhat.com>
6116
6117 * dwarf2out.c (class_scope_p): New static inline.
6118 (class_or_namespace_scope_p): Use it.
6119 (gen_variable_die): Use DW_TAG_member tag for static data member
6120 declarations instead of DW_TAG_variable.
6121
6122 PR middle-end/39573
6123 * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
6124 variables.
6125
6126 2009-04-08 Richard Guenther <rguenther@suse.de>
6127
6128 * tree-ssa-sccvn.c (valueize_refs): Do not continue to
6129 valueize random data.
6130
6131 2009-04-08 David Edelsohn <edelsohn@gnu.org>
6132
6133 * config.gcc (aix tm_file): Add aix-stdint.h.
6134 (aix tm clause use_gcc_stdint): Set to wrap.
6135 * config/rs6000/aix-stdint.h: New file.
6136
6137 2009-04-08 Richard Guenther <rguenther@suse.de>
6138
6139 PR middle-end/36291
6140 * tree-dfa.c (add_referenced_var): Do not recurse into
6141 global initializers.
6142 * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
6143 exposed variables.
6144 (fold_const_aggregate_ref): Likewise.
6145
6146 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
6147
6148 * recog.c (ordered_comparison_operator): New.
6149 * gensupport.c (std_preds): Add it.
6150 * doc/md.texi (Machine-Independent Predicates): Document it.
6151
6152 2009-04-08 Jan Hubicka <jh@suse.cz>
6153
6154 * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
6155 * function.h (rtl_eh): Remove exception_handler_label_map.
6156 * except.c (ehl_hash, ehl_eq, add_ehl_entry,
6157 remove_exception_handler_label, for_each_eh_label_1): Remove.
6158 (rtl_remove_unreachable_regions): Remove.
6159 (convert_from_eh_region_ranges): Do not remove unreachable regions.
6160 (find_exception_handler_labels): Don't build the hashtable.
6161 (maybe_remove_eh_handler): Remove.
6162 (for_each_eh_label): Rewrite to walk the tree.
6163 (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
6164 * except.h (maybe_remove_eh_handler): Remove.
6165 * passes.c (init_optimization_passes): Schedule second EH cleanup
6166 before out-of-ssa.
6167 * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
6168 cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
6169
6170 2009-04-08 Paolo Bonzini <bonzini@gnu.org>
6171
6172 * genoutput.c (validate_optab_operands): New.
6173 (gen_insn, gen_expand): Call it.
6174
6175 * genflags.c (gen_insn): Detect misused iterators.
6176 (main): Pass line_no to gen_insn, exit with status 1 on error.
6177
6178 * genextract.c (line_no): Make global.
6179 (VEC_safe_set_locstr): Change assertion to error message.
6180 (main): Exit with status 1 on error.
6181
6182 2009-04-08 Joseph Myers <joseph@codesourcery.com>
6183
6184 PR c/39614
6185 PR c/39673
6186 * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
6187 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
6188 EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
6189 * c-convert.c (convert): Do not call fold on results of conversion
6190 functions when the result is a C_MAYBE_CONST_EXPR.
6191 * c-parser.c (c_parser_postfix_expression): Do not fold condition
6192 of __builtin_choose_expr.
6193 * c-typeck.c (remove_c_maybe_const_expr): New.
6194 (build_unary_op, build_conditional_expr, build_compound_expr,
6195 build_binary_op, c_objc_common_truthvalue_conversion): Call
6196 remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
6197 integer operands.
6198
6199 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
6200
6201 * fold-const.c (const_binop): Combine two VECTOR_CST under operation
6202 CODE to produce a new one. Add a prototype to use fold_convert_const
6203
6204 2009-04-08 Danny Smith <dannysmith@users.sourceforge.net>
6205
6206 PR bootstrap/39660
6207 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
6208 mix declarations and code.
6209
6210 2009-04-08 Ben Elliston <bje@au.ibm.com>
6211
6212 * gcc.c: Replace `CC' with `GCC' throughout.
6213
6214 2009-04-07 H.J. Lu <hongjiu.lu@intel.com>
6215
6216 * doc/invoke.texi: Document Atom support.
6217
6218 2009-04-07 Jason Merrill <jason@redhat.com>
6219
6220 PR c++/25185
6221 * c-common.h, c-common.c: Add flag_pretty_templates.
6222 * c-opts.c (c_common_handle_option): Set it.
6223 * c.opt: Add -fno-pretty-templates.
6224 * doc/invoke.texi (C++ Dialect Options): Likewise.
6225
6226 2009-04-07 Uros Bizjak <ubizjak@gmail.com>
6227
6228 * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
6229 (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
6230 (ia64_expand_builtin): Likewise.
6231
6232 2009-04-07 Martin Jambor <mjambor@suse.cz>
6233
6234 * tree-ssa-alias.c (refs_may_alias_p_1): Check for
6235 is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
6236 ADDR_EXPRS are include too.
6237
6238 2009-04-07 Richard Guenther <rguenther@suse.de>
6239
6240 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
6241 decls are only used if passes as parameters or if they are
6242 local statics and the call is not to a builtin.
6243 (call_may_clobber_ref_p_1): Likewise.
6244
6245 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
6246
6247 * expr.c (do_store_flag): Remove last argument. Simplify code
6248 to avoid duplication of tests already done by can_compare_p.
6249 (expand_expr_real_1): Adjust caller.
6250
6251 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
6252
6253 * optabs.c (can_compare_p): Test the predicate of a
6254 cbranch and cstore pattern.
6255
6256 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
6257
6258 * expr.c (convert_move): Use emit_store_flag instead of
6259 "emulating" it.
6260
6261 2009-04-07 Paolo Bonzini <bonzini@gnu.org>
6262
6263 * config/i386/i386.c (ix86_compare_emitted): Remove.
6264 (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
6265 ix86_compare_op0 like ix86_compare_emitted used to be handled.
6266 * config/i386/i386.h (ix86_compare_emitted): Remove.
6267 * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
6268 instead of ix86_compare_emitted.
6269 * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
6270
6271 2009-04-07 Andrew Stubbs <ams@codesourcery.com>
6272
6273 * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
6274 Add t-sysroot-suffix to tmake_file.
6275 * config/print-sysroot-suffix.sh: New file.
6276 * config/t-sysroot-suffix: New file.
6277
6278 2009-04-07 Ben Elliston <bje@au.ibm.com>
6279
6280 * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
6281 as the latter produces a warning when the target does not support
6282 infinity.
6283
6284 2009-04-07 Ben Elliston <bje@au.ibm.com>
6285
6286 * dfp.c: Replace type punning assignments with memcpy throughout.
6287 * Makefile.in (dfp.o-warn): Remove.
6288
6289 2009-04-07 Alan Modra <amodra@bigpond.net.au>
6290
6291 PR target/39634
6292 * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
6293 Include soft-fp/t-softfp after rs6000/t-linux64.
6294
6295 2009-04-06 Eric Botcazou <ebotcazou@adacore.com>
6296
6297 * stor-layout.c (set_sizetype): Use the full precision of their
6298 machine mode for bitsize types.
6299
6300 2009-04-06 H.J. Lu <hongjiu.lu@intel.com>
6301
6302 * config/i386/i386.md: Revert 2 accidental checkins.
6303
6304 2009-04-06 Joey Ye <joey.ye@intel.com>
6305 Xuepeng Guo <xuepeng.guo@intel.com>
6306 H.J. Lu <hongjiu.lu@intel.com>
6307
6308 Atom pipeline model, tuning and insn selection.
6309 * config.gcc (atom): Add atom config options and target.
6310
6311 * config/i386/atom.md: New.
6312
6313 * config/i386/i386.c (atom_cost): New cost.
6314 (m_ATOM): New macro flag.
6315 (initial_ix86_tune_features): Set m_ATOM.
6316 (x86_accumulate_outgoing_args): Likewise.
6317 (x86_arch_always_fancy_math_387): Likewise.
6318 (processor_target): Add Atom cost.
6319 (cpu_names): Add Atom cpu name.
6320 (override_options): Set Atom ISA.
6321 (ix86_issue_rate): New case PROCESSOR_ATOM.
6322 (ix86_adjust_cost): Likewise.
6323
6324 * config/i386/i386.h (TARGET_ATOM): New target macro.
6325 (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
6326 (TARGET_OPT_AGU): New target option.
6327 (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
6328 (processor_type): Add PROCESSOR_ATOM.
6329
6330 * config/i386/i386.md (cpu): Add new value "atom".
6331 (use_carry, movu): New attr.
6332 (atom.md): Include atom.md.
6333 (adddi3_carry_rex64): Set attr "use_carry".
6334 (addqi3_carry): Likewise.
6335 (addhi3_carry): Likewise.
6336 (addsi3_carry): Likewise.
6337 (*addsi3_carry_zext): Likewise.
6338 (subdi3_carry_rex64): Likewise.
6339 (subqi3_carry): Likewise.
6340 (subhi3_carry): Likewise.
6341 (subsi3_carry): Likewise.
6342 (x86_movdicc_0_m1_rex64): Likewise.
6343 (*x86_movdicc_0_m1_se): Likewise.
6344 (x86_movsicc_0_m1): Likewise.
6345 (*x86_movsicc_0_m1_se): Likewise.
6346 (*adddi_1_rex64): Emit add insn as much as possible.
6347 (*addsi_1): Likewise.
6348 (return_internal): Set atom_unit.
6349 (return_internal_long): Likewise.
6350 (return_pop_internal): Likewise.
6351 (*rcpsf2_sse): Set atom_sse_attr attr.
6352 (*qrt<mode>2_sse): Likewise.
6353 (*prefetch_sse): Likewise.
6354
6355 * config/i386/i386-c.c (ix86_target_macros_internal): New case
6356 PROCESSOR_ATOM.
6357 (ix86_target_macros_internal): Likewise.
6358
6359 * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
6360 (*prefetch_sse_rex): Likewise.
6361 (sse_rcpv4sf2): Likewise.
6362 (sse_vmrcpv4sf2): Likewise.
6363 (sse_sqrtv4sf2): Likewise.
6364 (<sse>_vmsqrt<mode>2): Likewise.
6365 (sse_ldmxcsr): Likewise.
6366 (sse_stmxcsr): Likewise.
6367 (*sse_sfence): Likewise.
6368 (sse2_clflush): Likewise.
6369 (*sse2_mfence): Likewise.
6370 (*sse2_lfence): Likewise.
6371 (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
6372 (<sse>_movup<ssemodesuffixf2c>): Likewise.
6373 (avx_movdqu<avxmodesuffix>): Likewise.
6374 (avx_lddqu<avxmodesuffix>): Likewise.
6375 (sse2_movntv2di): Change attr "type" to "ssemov".
6376 (sse2_movntsi): Likewise.
6377 (rsqrtv8sf2): Change attr "type" to "sseadd".
6378 (sse3_addsubv2df3): Set attr "atom_unit".
6379 (sse3_h<plusminus_insn>v4sf3): Likewise.
6380 (*sse2_pmaddwd): Likewise.
6381 (*vec_extractv2di_1_rex64): Likewise.
6382 (*vec_extractv2di_1_avx): Likewise.
6383 (sse2_psadbw): Likewise.
6384 (ssse3_phaddwv8hi3): Likewise.
6385 (ssse3_phaddwv4hi3): Likewise.
6386 (ssse3_phadddv4si3): Likewise.
6387 (ssse3_phadddv2si3): Likewise.
6388 (ssse3_phaddswv8hi3): Likewise.
6389 (ssse3_phaddswv4hi3): Likewise.
6390 (ssse3_phsubwv8hi3): Likewise.
6391 (ssse3_phsubwv4hi3): Likewise.
6392 (ssse3_phsubdv4si3): Likewise.
6393 (ssse3_phsubdv2si3): Likewise.
6394 (ssse3_phsubswv8hi3): Likewise.
6395 (ssse3_phsubswv4hi3): Likewise.
6396 (ssse3_pmaddubsw128): Likewise.
6397 (sse3_pmaddubsw: Likewise.
6398 (ssse3_palignrti): Likewise.
6399 (ssse3_palignrdi): Likewise.
6400
6401 2009-04-06 Gerald Pfeifer <gerald@pfeifer.com>
6402
6403 * doc/install.texi (Specific): Fix two cross-references to MinGW.
6404
6405 2009-04-06 Richard Guenther <rguenther@suse.de>
6406
6407 PR tree-optimization/28868
6408 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
6409 of which PHI results we inserted.
6410 (insert_into_preds_of_block): Record inserted PHIs.
6411 (eliminate): Eliminate redundant PHI nodes.
6412 (init_pre): Init inserted_phi_names.
6413
6414 2009-04-06 Richard Guenther <rguenther@suse.de>
6415
6416 PR tree-optimization/39643
6417 * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
6418 IMAGPART_EXPRs of complex constants.
6419 (execute_fold_all_builtins): If we folded a call queue
6420 TODO_update_address_taken.
6421
6422 2009-04-06 Jan Hubicka <jh@suse.cz>
6423
6424 PR middle-end/39659
6425 * except.c (remove_unreachable_regions): Propagate may_contain_throw
6426 flag.
6427
6428 2009-04-06 Andrew Stubbs <ams@codesourcery.com>
6429
6430 * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
6431 delay slot.
6432 (ic_invalidate_array): Likewise.
6433
6434 2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com>
6435
6436 * calls.c (emit_library_call_value_1): Fix a problem with parameter
6437 alignment for library calls.
6438
6439 2009-04-06 Danny Smith <dannysmith@users.sourceforge.net>
6440
6441 * config.gcc (mingw32 tm_file): Add mingw-stdint.h.
6442 (mingw32 tm clause use_gcc_stdint): Set to wrap.
6443 * config/i386/mingw-stdint.h: New file.
6444
6445 2009-04-05 Richard Guenther <rguenther@suse.de>
6446
6447 PR tree-optimization/39648
6448 * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
6449 our &A vs. &A[0] IL deficiencies.
6450
6451 2009-04-04 Jan Hubicka <jh@suse.cz>
6452
6453 * except.c (sjlj_find_directly_reachable_regions): Be ready for
6454 removed toplevel regions.
6455 (sjlj_mark_call_sites): Likewise.
6456
6457 2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com>
6458
6459 * config.gcc (cygwin tm_file): Add cygwin-stdint.h.
6460 (cygwin tm clause use_gcc_stdint): Set to wrap.
6461 * config/i386/cygwin-stdint.h: New file.
6462
6463 2009-04-04 Richard Guenther <rguenther@suse.de>
6464
6465 * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
6466 * tree-ssa-copy.c (init_copy_prop): Do not propagate through
6467 single-argument PHIs if we are in loop-closed SSA form.
6468 * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
6469 for the pre-condition.
6470 (slpeel_tree_peel_loop_to_edge): Likewise.
6471 (vect_build_loop_niters): Take an optional sequence to append stmts.
6472 (vect_generate_tmps_on_preheader): Likewise.
6473 (vect_do_peeling_for_loop_bound): Take extra guards for the
6474 pre-condition.
6475 (vect_do_peeling_for_alignment): Adjust. Unconditionally apply
6476 the cost model check.
6477 (vect_loop_versioning): Take stmt and stmt list to put pre-condition
6478 guards if we are going to peel. Do not apply versioning in that case.
6479 * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
6480 (vect_do_peeling_for_loop_bound): Likewise.
6481 * tree-vect-loop.c (vect_transform_loop): If we are peeling for
6482 loop bound only record extra pre-conditions, do not apply loop
6483 versioning.
6484
6485 2009-04-04 Richard Guenther <rguenther@suse.de>
6486
6487 * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
6488 renaming code.
6489
6490 2009-04-04 Jan Hubicka <jh@suse.cz>
6491
6492 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
6493 last_basic_block for size of bb->index indexed array.
6494 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6495 compute_out, link_btr_uses, build_btr_def_use_webs,
6496 build_btr_def_use_webs, migrate_btr_defs): Likewise.
6497
6498 2009-04-04 Jan Hubicka <jh@suse.cz>
6499
6500 * except.c (remove_eh_handler_and_replace): Break out from ...
6501 (remove_eh_handler): ... here.
6502 (bring_to_root): New function.
6503 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
6504 handled ones, bring others to root of tree.
6505
6506 2009-04-04 Jan Hubicka <jh@suse.cz>
6507
6508 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
6509 (all_phis_safe_to_merge): New function.
6510 (update_info): New structure.
6511 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
6512 (cleanup_empty_eh): Update SSA if possible.
6513
6514 2009-04-04 Richard Guenther <rguenther@suse.de>
6515
6516 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
6517 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
6518 (append_vuse): Likewise.
6519
6520 2009-04-04 Jakub Jelinek <jakub@redhat.com>
6521
6522 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
6523 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
6524 instead of REG_UNSAVED for DW_CFA_undefined.
6525 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
6526 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
6527 outermost frame.
6528
6529 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
6530
6531 PR target/39501
6532 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
6533 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
6534 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
6535
6536 2009-04-04 Richard Guenther <rguenther@suse.de>
6537
6538 PR tree-optimization/8781
6539 PR tree-optimization/37892
6540 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
6541 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
6542 (valueize_refs): Call it for *& valueizations.
6543 (shared_reference_ops_from_ref): Rename to ...
6544 (valueize_shared_reference_ops_from_ref): ... this and valueize.
6545 (shared_reference_ops_from_call): Rename to ...
6546 (valueize_shared_reference_ops_from_call): ... this and valueize.
6547 (vn_reference_lookup): Update.
6548 (visit_reference_op_call): Likewise.
6549 * tree-ssa-pre.c (phi_translate_1): Fold *&.
6550 (eliminate): Value-replace the call address in call statements.
6551
6552 2009-04-04 Richard Guenther <rguenther@suse.de>
6553
6554 PR tree-optimization/39636
6555 * tree-ssa-forwprop.c
6556 (forward_propagate_addr_into_variable_array_index): Check for
6557 GIMPLE_ASSIGN before accessing the rhs code.
6558
6559 2009-04-03 Jason Merrill <jason@redhat.com>
6560
6561 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
6562
6563 2009-04-03 Steve Ellcey <sje@cup.hp.com>
6564
6565 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
6566 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
6567 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
6568 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
6569 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
6570 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
6571 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
6572 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
6573 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
6574 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
6575 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
6576 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
6577 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
6578 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
6579 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
6580 Use fr_reg_or_fp01_operand instead of fr_register_operand
6581
6582 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
6583 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
6584 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
6585
6586 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
6587
6588 PR rtl-optimization/39607
6589 PR rtl-optimization/39631
6590
6591 Revert:
6592
6593 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
6594 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
6595 instead of DF_LR_OUT.
6596 * ira-lives.c (process_bb_node_lives): Ditto.
6597 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
6598 instead of DF_LR_{OUT,IN}.
6599 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
6600 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
6601
6602 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
6603
6604 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
6605 (execute_lower_omp): Always run but take the short way out if -fopenmp
6606 is not given.
6607 (gate_lower_omp): Remove, forcing the pass manager to always run the
6608 pass and always set PROP_gimple_lomp.
6609 (pass_lower_omp): Remove gate function.
6610 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
6611 PROP_trees. Instead, require it.
6612 * ipa-cp.c (pass_ipa_cp): Likewise.
6613 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
6614 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
6615 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
6616 and PROP_gimple_leh.
6617
6618 2009-04-03 Richard Guenther <rguenther@suse.de>
6619
6620 PR middle-end/13146
6621 PR tree-optimization/23940
6622 PR tree-optimization/33237
6623 PR middle-end/33974
6624 PR middle-end/34093
6625 PR tree-optimization/36201
6626 PR tree-optimization/36230
6627 PR tree-optimization/38049
6628 PR tree-optimization/38207
6629 PR tree-optimization/38230
6630 PR tree-optimization/38301
6631 PR tree-optimization/38585
6632 PR middle-end/38895
6633 PR tree-optimization/38985
6634 PR tree-optimization/39299
6635 * tree-ssa-structalias.h: Remove.
6636 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
6637 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
6638 (struct vuse_element_d): Remove.
6639 (struct vuse_vec_d): Likewise.
6640 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
6641 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
6642 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
6643 VUSE_ELEMENT_VAR): Likewise.
6644 (struct voptype_d): Likewise.
6645 (NUM_VOP_FREE_BUCKETS): Likewise.
6646 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
6647 (struct stmt_operands_d): Remove.
6648 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
6649 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
6650 VDEF_NUM, VDEF_VECT): Likewise.
6651 (copy_virtual_operands): Remove.
6652 (operand_build_cmp): Likewise.
6653 (create_ssa_artificial_load_stmt): Likewise.
6654 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
6655 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
6656 vuse_index and mayuse_index members. Pack and move done and iter_type
6657 members to the front.
6658 (SSA_OP_VMAYUSE): Remove.
6659 (SSA_OP_VIRTUAL_USES): Adjust.
6660 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
6661 (unlink_stmt_vdef): Declare.
6662 (add_to_addressable_set): Remove.
6663 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
6664 (vrp_visit_stmt): Likewise.
6665 * doc/tree-ssa.texi (Alias analysis): Update.
6666 * doc/invoke.texi (max-aliased-vops): Remove docs.
6667 (avg-aliased-vops): Likewise.
6668 * tree-into-ssa.c (syms_to_rename): Remove.
6669 (need_to_update_vops_p): Likewise.
6670 (need_to_initialize_update_ssa_p): Rename to ...
6671 (update_ssa_initialized_fn): ... this. Track function we are
6672 initialized for.
6673 (symbol_marked_for_renaming): Simplify.
6674 (add_new_name_mapping): Do not set need_to_update_vops_p.
6675 (dump_currdefs): Use SYMS_TO_RENAME.
6676 (rewrite_update_stmt): Always walk all uses/defs.
6677 (dump_update_ssa): Adjust.
6678 (init_update_ssa): Take function argument. Track what we are
6679 initialized for.
6680 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
6681 (create_new_def_for): Initialize for cfun, assert we are initialized
6682 for cfun.
6683 (mark_sym_for_renaming): Simplify.
6684 (mark_set_for_renaming): Do not initialize update-ssa.
6685 (need_ssa_update_p): Simplify. Take function argument.
6686 (name_mappings_registered_p): Assert we ask for the correct function.
6687 (name_registered_for_update_p): Likewise.
6688 (ssa_names_to_replace): Likewise.
6689 (release_ssa_name_after_update_ssa): Likewise.
6690 (update_ssa): Likewise. Use SYMS_TO_RENAME.
6691 (dump_decl_set): Do not print a newline.
6692 (debug_decl_set): Do it here.
6693 (dump_update_ssa): And here.
6694 * tree-ssa-loop-im.c (move_computations): Adjust.
6695 (movement_possibility): Likewise.
6696 (determine_max_movement): Likewise.
6697 (gather_mem_refs_stmt): Likewise.
6698 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
6699 or NAME_MEMORY_TAG.
6700 * tree-complex.c (update_all_vops): Remove.
6701 (expand_complex_move): Adjust.
6702 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
6703 Simplify test for memory referencing statement. Exclude
6704 non-invariant ADDR_EXPRs.
6705 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
6706 * tree-loop-distribution.c (generate_memset_zero): Adjust.
6707 (rdg_flag_uses): Likewise.
6708 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
6709 related code.
6710 (tree_optimize_tail_calls_1): Also split the
6711 edge from the entry block if we have degenerate PHI nodes in
6712 the first basic block.
6713 * tree.c (init_ttree): Remove memory-tag related code.
6714 (tree_code_size): Likewise.
6715 (tree_node_structure): Likewise.
6716 (build7_stat): Re-write to be build6_stat.
6717 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
6718 (SSA_VAR_P): Adjust.
6719 (struct tree_memory_tag): Remove.
6720 (struct tree_memory_partition_tag): Likewise.
6721 (union tree_node): Adjust.
6722 (build7): Re-write to be build6.
6723 * tree-pass.h (pass_reset_cc_flags): Remove.
6724 (TODO_update_address_taken): New flag.
6725 (pass_simple_dse): Remove.
6726 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
6727 * params.h (MAX_ALIASED_VOPS): Remove.
6728 (AVG_ALIASED_VOPS): Likewise.
6729 * omp-low.c (expand_omp_taskreg): Update SSA form.
6730 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
6731 aliases the lhs in a copy stmt.
6732 * tree-ssa-dse.c (struct address_walk_data): Remove.
6733 (memory_ssa_name_same): Likewise.
6734 (memory_address_same): Likewise.
6735 (get_kill_of_stmt_lhs): Likewise.
6736 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
6737 unused stores. Look through PHI nodes into post-dominated regions.
6738 (dse_optimize_stmt): Simplify. Properly remove stores.
6739 (tree_ssa_dse): Compute dominators.
6740 (execute_simple_dse): Remove.
6741 (pass_simple_dse): Likewise.
6742 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
6743 gimple_loaded_syms and gimple_stored_syms computation.
6744 * toplev.c (dump_memory_report): Dump alias and pta stats.
6745 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
6746 (vn_reference_eq): Likewise.
6747 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
6748 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
6749 valueize_vuses): Remove.
6750 (get_def_ref_stmt_vuses): Simplify. Rename to ...
6751 (get_def_ref_stmt_vuse): ... this.
6752 (vn_reference_lookup_2): New function.
6753 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
6754 walking equivalent vuses. Simplify.
6755 (vn_reference_lookup): Likewise.
6756 (vn_reference_insert): Likewise.
6757 (vn_reference_insert_pieces): Likewise.
6758 (visit_reference_op_call): Simplify.
6759 (visit_reference_op_load): Likewise.
6760 (visit_reference_op_store): Likewise.
6761 (init_scc_vn): Remove shared_lookup_vuses initialization.
6762 (free_scc_vn): Remove shared_lookup_vuses freeing.
6763 (sort_vuses, sort_vuses_heap): Remove.
6764 (get_ref_from_reference_ops): Export.
6765 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
6766 vector with single vuse pointer.
6767 (vn_reference_lookup_pieces, vn_reference_lookup,
6768 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
6769 (shared_vuses_from_stmt): Remove.
6770 (get_ref_from_reference_ops): Declare.
6771 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
6772 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
6773 memory-tag related code.
6774 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
6775 (likely_value): Add comment, skip static-chain of call statements.
6776 (surely_varying_stmt_p): Adjust.
6777 (gimplify_and_update_call_from_tree): Likewise.
6778 (execute_fold_all_builtins): Do not rebuild alias info.
6779 (gimplify_and_update_call_from_tree): Properly update VOPs.
6780 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
6781 (copy_ref_info): Remove memory-tag related code.
6782 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
6783 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
6784 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
6785 computation.
6786 * tree-ssa-dom.c (gimple_p): Remove typedef.
6787 (eliminate_redundant_computations): Adjust.
6788 (record_equivalences_from_stmt): Likewise.
6789 (avail_expr_hash): Likewise.
6790 (avail_expr_eq): Likewise.
6791 * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
6792 (stmt_makes_single_load): Likewise.
6793 (stmt_makes_single_store): Likewise.
6794 * tree-ssa-alias.c: Rewrite completely.
6795 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
6796 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
6797 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
6798 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
6799 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
6800 Remove public functions.
6801 (pass_reset_cc_flags): Remove.
6802 (pass_build_alias): Move ...
6803 * tree-ssa-structalias.c (pass_build_alias): ... here.
6804 * tree-ssa-alias.c (may_be_aliased): Move ...
6805 * tree-flow-inline.h (may_be_aliased): ... here.
6806 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
6807 count_uses_and_derefs): Move ...
6808 * gimple.c: ... here.
6809 * gimple.h (count_uses_and_derefs): Declare.
6810 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
6811 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
6812 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
6813 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
6814 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
6815 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
6816 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
6817 New functions.
6818 * tree-dfa.c (refs_may_alias_p): Move ...
6819 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
6820 * tree-ssa-alias.h: New file.
6821 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
6822 (statement_sink_location): Likewise.
6823 * opts.c (decode_options): Do not adjust max-aliased-vops or
6824 avg-aliased-vops values.
6825 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
6826 (TV_CALL_CLOBBER): Likewise.
6827 (TV_FLOW_SENSITIVE): Likewise.
6828 (TV_FLOW_INSENSITIVE): Likewise.
6829 (TV_MEMORY_PARTITIONING): Likewise.
6830 (TV_ALIAS_STMT_WALK): New timevar.
6831 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
6832 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
6833 (get_address_description): Remove memory-tag related code.
6834 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
6835 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
6836 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
6837 and immediate uses in statements. Document.
6838 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
6839 (dump_symbols): Remove.
6840 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
6841 * alias.c (get_deref_alias_set): New function split out from ...
6842 (get_alias_set): ... here.
6843 * alias.h (get_deref_alias_set): Declare.
6844 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
6845 type parameter. Remove restrict pointer handling. Create a
6846 ref-all pointer in case type-based alias sets do not conflict.
6847 (vect_analyze_data_refs): Remove SMT related code.
6848 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
6849 (vectorizable_load): Likewise.
6850 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
6851 (DR_SYMBOL_TAG, DR_VOPS): Remove.
6852 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
6853 Ignore vops and SMTs.
6854 (dr_analyze_alias): Likewise..
6855 (free_data_ref): Likewise.
6856 (create_data_ref): Likewise.
6857 (analyze_all_data_dependences): Likewise.
6858 (get_references_in_stmt): Adjust.
6859 * tree-flow-inline.h (gimple_aliases_computed_p,
6860 gimple_addressable_vars, gimple_call_clobbered_vars,
6861 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
6862 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
6863 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
6864 gimple_mem_ref_stats): Remove.
6865 (gimple_vop): New function.
6866 (op_iter_next_use): Remove vuses and mayuses cases.
6867 (op_iter_next_def): Remove vdefs case.
6868 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
6869 (clear_and_done_ssa_iter): Do not set removed fields.
6870 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
6871 Assert we are not iterating over vuses or vdefs if not also
6872 iterating over uses or defs.
6873 (op_iter_init_use): Likewise.
6874 (op_iter_init_def): Likewise.
6875 (op_iter_next_vdef): Remove.
6876 (op_iter_next_mustdef): Likewise.
6877 (op_iter_init_vdef): Likewise.
6878 (compare_ssa_operands_equal): Likewise.
6879 (link_use_stmts_after): Handle vuse operand.
6880 (is_call_used): Use is_call_clobbered.
6881 (is_call_clobbered): Global variables are always call clobbered,
6882 query the call-clobbers bitmap.
6883 (mark_call_clobbered): Ignore global variables.
6884 (clear_call_clobbered): Likewise.
6885 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
6886 virtual operands sanity check.
6887 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
6888 Remove.
6889 (TARGET_MEM_REF): Remove TMR_TAG operand.
6890 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
6891 Remove call-clobber related code.
6892 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
6893 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
6894 partitions or escape reason.
6895 (get_single_def_stmt, get_single_def_stmt_from_phi,
6896 get_single_def_stmt_with_phi): Remove.
6897 (dump_referenced_vars): Tidy.
6898 (get_ref_base_and_extent): Allow bare decls.
6899 (collect_dfa_stats): Adjust.
6900 * graphite.c (rename_variables_in_stmt): Adjust.
6901 (graphite_copy_stmts_from_block): Likewise.
6902 (translate_clast): Likewise.
6903 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
6904 (EXPR_DIES): New.
6905 (translate_vuse_through_block): Use the oracle.
6906 (phi_translate_1): Adjust.
6907 (value_dies_in_block_x): Use the oracle. Cache the outcome
6908 in EXPR_DIES.
6909 (valid_in_sets): Check if the VUSE for
6910 a REFERENCE is available.
6911 (eliminate): Do not remove stmts during elimination,
6912 instead queue and remove them afterwards.
6913 (do_pre): Do not rebuild alias info.
6914 (pass_pre): Run TODO_rebuild_alias before PRE.
6915 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
6916 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
6917 (mark_all_v_defs_stmt): Remove.
6918 (mark_all_v_defs_seq): Adjust.
6919 (sra_replace): Likewise.
6920 (scalarize_use): Likewise.
6921 (scalarize_copy): Likewise.
6922 (scalarize_init): Likewise.
6923 (scalarize_ldst): Likewise.
6924 (todoflags): Remove.
6925 (tree_sra): Do not rebuild alias info.
6926 (tree_sra_early): Adjust.
6927 (pass_sra): Run TODO_update_address_taken before SRA.
6928 * tree-predcom.c (set_alias_info): Remove.
6929 (prepare_initializers_chain): Do not call it.
6930 (mark_virtual_ops_for_renaming): Adjust.
6931 (mark_virtual_ops_for_renaming_list): Remove.
6932 (initialize_root_vars): Adjust.
6933 (initialize_root_vars_lm): Likewise.
6934 (prepare_initializers_chain): Likewise.
6935 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
6936 (may_propagate_copy_into_stmt): Likewise.
6937 (merge_alias_info): Do nothing for now.
6938 (propagate_tree_value_into_stmt): Adjust.
6939 (stmt_may_generate_copy): Likewise.
6940 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
6941 not mark symbols for renaming.
6942 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
6943 with the same statement, make sure to update the new pointed-to one.
6944 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
6945 call statements, do not mark symbols for renaming.
6946 (mark_operand_necessary): Dump something.
6947 (ref_may_be_aliased): New function.
6948 (mark_aliased_reaching_defs_necessary_1): New helper function.
6949 (mark_aliased_reaching_defs_necessary): Likewise.
6950 (mark_all_reaching_defs_necessary_1): Likewise.
6951 (mark_all_reaching_defs_necessary): Likewise.
6952 (propagate_necessity): Do not process virtual PHIs. For
6953 non-aliased loads mark all reaching definitions as necessary.
6954 For aliased loads and stores mark the immediate dominating
6955 aliased clobbers as necessary.
6956 (visited): New global static.
6957 (perform_tree_ssa_dce): Free visited bitmap after propagating
6958 necessity.
6959 (remove_dead_phis): Perform simple dead virtual PHI removal.
6960 (remove_dead_stmt): Properly unlink virtual operands when
6961 removing stores.
6962 (eliminate_unnecessary_stmts): Schedule PHI removal after
6963 stmt removal.
6964 * tree-ssa-ter.c (is_replaceable_p): Adjust.
6965 (process_replaceable): Likewise.
6966 (find_replaceable_in_bb): Likewise.
6967 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
6968 based on the single gimple vop.
6969 (verify_flow_insensitive_alias_info): Remove.
6970 (verify_flow_sensitive_alias_info): Likewise.
6971 (verify_call_clobbering): Likewise.
6972 (verify_memory_partitions): Likewise.
6973 (verify_alias_info): Likewise.
6974 (verify_ssa): Adjust..
6975 (execute_update_addresses_taken): Export. Update SSA
6976 manually. Optimize only when optimizing. Use a local bitmap.
6977 (pass_update_address_taken): Remove TODO_update_ssa, add
6978 TODO_dump_func.
6979 (pass_update_address_taken): Just use TODO_update_address_taken.
6980 (init_tree_ssa): Do not initialize addressable_vars.
6981 (verify_ssa): Verify new VUSE / VDEF properties.
6982 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
6983 Do not call verify_alias_info.
6984 (delete_tree_ssa): Clear the VUSE, VDEF operands.
6985 Do not free the loaded and stored syms bitmaps. Reset the escaped
6986 and callused solutions. Do not free addressable_vars.
6987 Remove memory-tag related code.
6988 (warn_uninitialized_var): Aliases are always available.
6989 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
6990 * lambda-code.c (can_put_in_inner_loop): Adjust.
6991 (can_put_after_inner_loop): Likewise.
6992 (perfect_nestify): Likewise.
6993 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
6994 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
6995 (vectorizable_conversion): Do not mark symbols for renaming.
6996 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
6997 (expand_call_inline): Unlink the calls virtual operands before
6998 replacing it.
6999 (tree_function_versioning): Do not call update_ssa if we are not
7000 updating clones. Simplify.
7001 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
7002 (propagate_with_phi): Likewise..
7003 * tree-outof-ssa.c (create_temp): Remove memory tag and call
7004 clobber code. Assert we are not aliased or global.
7005 * tree-flow.h: Include tree-ssa-alias.h
7006 (enum escape_type): Remove.
7007 (struct mem_sym_stats_d): Likewise.
7008 (struct mem_ref_stats_d): Likewise.
7009 (struct gimple_df): Add vop member. Remove global_var,
7010 call_clobbered_vars, call_used_vars, addressable_vars,
7011 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
7012 escaped and callused members.
7013 (struct ptr_info_def): Remove all members, add points-to solution
7014 member pt.
7015 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
7016 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
7017 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
7018 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
7019 (tree-ssa-alias.o): Likewise.
7020 (toplev.o): Add tree-ssa-alias.h
7021 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
7022 * gimple.c (gimple_set_bb): Fix off-by-one error.
7023 (is_gimple_reg): Do not handle memory tags.
7024 (gimple_copy): Also copy virtual operands.
7025 Delay updating the statement. Do not reset loaded and stored syms.
7026 (gimple_set_stored_syms): Remove.
7027 (gimple_set_loaded_syms): Likewise.
7028 (gimple_call_copy_skip_args): Copy the virtual operands
7029 and mark the new statement modified.
7030 * tree-ssa-structalias.c (may_alias_p): Remove.
7031 (set_uids_in_ptset): Take the alias set to prune with as
7032 parameter. Fold in the alias test of may_alias_p.
7033 (compute_points_to_sets): Compute whether a ptr is dereferenced
7034 in a local sbitmap.
7035 (process_constraint): Deal with &ANYTHING on the lhs, reject all
7036 other ADDRESSOF constraints on the lhs.
7037 (get_constraint_for_component_ref): Assert that we don't get
7038 ADDRESSOF constraints from the base of the reference.
7039 Properly generate UNKNOWN_OFFSET for DEREF if needed.
7040 (struct variable_info): Remove collapsed_to member.
7041 (get_varinfo_fc): Remove.
7042 (new_var_info): Do not set collapsed_to.
7043 (dump_constraint): Do not follow cycles.
7044 (dump_constraint_graph): Likewise.
7045 (build_pred_graph): Likewise.
7046 (build_succ_graph): Likewise.
7047 (rewrite_constraints): Likewise.
7048 (do_simple_structure_copy): Remove.
7049 (do_rhs_deref_structure_copy): Remove.
7050 (do_lhs_deref_structure_copy): Remove.
7051 (collapse_rest_of_var): Remove.
7052 (do_structure_copy): Re-implement.
7053 (pta_stats): New global variable.
7054 (dump_pta_stats): New function.
7055 (struct constraint_expr): Make offset signed.
7056 (UNKNOWN_OFFSET): Define special value.
7057 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
7058 (solution_set_expand): New helper function split out from ...
7059 (do_sd_constraint): ... here.
7060 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
7061 (do_ds_constraint): Likewise.
7062 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
7063 and CALLUSED = *CALLUSED.
7064 (set_union_with_increment): Make inc argument signed.
7065 (type_safe): Remove.
7066 (get_constraint_for_ptr_offset): Handle unknown and negative
7067 constant offsets.
7068 (first_vi_for_offset): Handle offsets before start. Bail
7069 out early for offsets beyond the variable extent.
7070 (first_or_preceding_vi_for_offset): New function.
7071 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
7072 Together with ESCAPED = *ESCAPED this properly computes reachability.
7073 (find_what_var_points_to): New function.
7074 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
7075 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
7076 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
7077 pt_solutions_intersect): New functions.
7078 (compute_call_used_vars): Remove.
7079 (compute_may_aliases): New main entry into PTA computation.
7080 * gimple.h (gimple_p): New typedef.
7081 (struct gimple_statement_base): Remove references_memory_p.
7082 (struct gimple_statement_with_memory_ops_base): Remove
7083 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
7084 members.
7085 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
7086 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
7087 gimple_set_references_memory): Remove.
7088 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
7089 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
7090 New functions.
7091 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
7092 (verify_expr): Allow RESULT_DECL.
7093 (gimple_duplicate_bb): Do not copy virtual operands.
7094 (gimple_duplicate_sese_region): Adjust.
7095 (gimple_duplicate_sese_tail): Likewise.
7096 (mark_virtual_ops_in_region): Remove.
7097 (move_sese_region_to_fn): Do not call it.
7098 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
7099 and pass_simple_dse.
7100 (execute_function_todo): Handle TODO_update_address_taken,
7101 call execute_update_addresses_taken for TODO_rebuild_alias.
7102 (execute_todo): Adjust.
7103 (execute_one_pass): Init dump files early.
7104 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
7105 call-clobbered.
7106 (create_general_new_stmt): Clear vops.
7107 * tree-ssa-reassoc.c (get_rank): Adjust.
7108 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
7109 symbols for renaming.
7110 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
7111 (PARAM_AVG_ALIASED_VOPS): Likewise.
7112 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
7113 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
7114 * tree-ssa-operands.c: Simplify for new virtual operand representation.
7115 (operand_build_cmp, copy_virtual_operands,
7116 create_ssa_artificial_load_stmt, add_to_addressable_set,
7117 gimple_add_to_addresses_taken): Remove public functions.
7118 (unlink_stmt_vdef): New function.
7119
7120 2009-04-03 Alan Modra <amodra@bigpond.net.au>
7121
7122 * config.gcc (powerpc-*-linux*): Merge variants.
7123
7124 2009-04-02 Chao-ying Fu <fu@mips.com>
7125 James Grosbach <james.grosbach@microchip.com>
7126
7127 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
7128 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
7129 cop0_sp_offset.
7130 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
7131 keep_interrupts_masked_p, use_debug_exception_return_p.
7132 (mips_attribute_table): Add interrupt, use_shadow_register_set,
7133 keep_interrupts_masked, use_debug_exception_return.
7134 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
7135 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
7136 New functions.
7137 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
7138 (mips_print_operand): Process COP0 registers to print $0 .. $31
7139 correctly for GAS to process.
7140 (mips_interrupt_extra_call_saved_reg_p): New function.
7141 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
7142 extra registers.
7143 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
7144 (mips_compute_frame_info): Add supports for interrupt context that
7145 includes doubleword accumulators and COP0 registers.
7146 (mips_for_each_saved_acc): New function.
7147 (mips_for_each_saved_gpr_and_fpr): Change the function name from
7148 mips_for_each_saved_reg.
7149 (mips_save_reg): Save accumulators.
7150 (mips_kernel_reg_p): A new for_each_rtx callback.
7151 (mips_expand_prologue): Support interrupt handlers.
7152 (mips_restore_reg): Restore accumulators.
7153 (mips_expand_epilogue): Support interrupt handlers.
7154 (mips_can_use_return_insn): Return false for interrupt handlers.
7155 (mips_epilogue_uses): New function.
7156 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
7157 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
7158 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
7159 cop0_move): New instructions.
7160 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
7161 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
7162 defines.
7163 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
7164 New defines.
7165 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
7166 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
7167 interrupt handlers, we use K0 as the temporary register.
7168 (EPILOGUE_USES): Change to a function call.
7169 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
7170 handlers, we use K0 as the temporary register.
7171
7172 * doc/extend.texi (Function Attributes): Document interrupt,
7173 use_shadow_register_set, keep_interrupts_masked,
7174 use_debug_exception_return for MIPS attributes.
7175
7176 2009-04-03 Alan Modra <amodra@bigpond.net.au>
7177
7178 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
7179 Remove a number of t-files from tmake_file.
7180 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
7181 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
7182 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
7183 target_prototype, not TARGET_PROTOTYPE.
7184 (LINK_OS_GNU_SPEC): Define.
7185 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
7186 and darwin-ldoubdle.c.
7187
7188 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
7189
7190 PR driver/39293
7191 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
7192 (cpp_options): Ditto.
7193 (default_compilers): Ditto.
7194 (display_help): Ditto.
7195 (process_command): Ditto.
7196 (do_spec_1): Ditto.
7197 (set_input): Use lbasename instead of duplicate code.
7198 (save_temps_prefix): New static for -save-temps=obj.
7199 (save_temps_length): Ditto.
7200
7201 * doc/invoke.texi (-save-temps=obj): Document new variant to
7202 -save-temps switch.
7203
7204 2009-04-02 Jeff Law <law@redhat.com>
7205
7206 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
7207 variable.
7208
7209 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
7210
7211 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
7212 * configure: Regenerated.
7213
7214 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
7215
7216 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
7217 share the argument list.
7218
7219 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
7220
7221 Merge
7222
7223 2009-02-12 Diego Novillo <dnovillo@google.com>
7224
7225 * varpool.c (debug_varpool): New.
7226 * cgraph.h (debug_varpool): Declare.
7227
7228 2009-04-02 Jan Hubicka <jh@suse.cz>
7229
7230 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
7231 pass.
7232
7233 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
7234
7235 * config/i386/i386.c (ix86_abi): Move initialization to ...
7236 (override_options): Here.
7237
7238 2009-04-02 Christian Bruel <christian.bruel@st.com>
7239
7240 * config/sh/sh.c (sh_dwarf_register_span): New function.
7241 (TARGET_DWARF_REGISTER_SPAN): Define.
7242 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
7243
7244 2009-04-02 Ira Rosen <irar@il.ibm.com>
7245
7246 PR tree-optimization/39595
7247 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
7248 interleaved loads group is not greater than the SLP group size.
7249
7250 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
7251
7252 * builtins.c (is_builtin_name): New.
7253 (called_as_built_in): Use is_builtin_name.
7254 * tree.h (is_builtin_name): New.
7255 * varasm.c (incorporeal_function_p): Use is_builtin_name
7256
7257 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
7258
7259 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
7260
7261 2009-04-02 Dodji Seketeli <dodji@redhat.com>
7262
7263 PR c++/26693
7264 * c-decl.c (clone_underlying_type): Move this ...
7265 * c-common.c (set_underlying_type): ... here.
7266 Also, make sure the function properly sets TYPE_STUB_DECL() on
7267 the newly created typedef variant type.
7268 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
7269 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
7270 points.
7271
7272 2009-04-02 Richard Guenther <rguenther@suse.de>
7273
7274 PR tree-optimization/37221
7275 * tree-flow.h (degenerate_phi_result): Declare.
7276 * tree-ssa-dom.c (degenerate_phi_result): Export.
7277 * tree-scalar-evolution.c (analyze_initial_condition): If
7278 the initial condition is defined by a degenerate PHI node
7279 use the degenerate value.
7280
7281 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
7282
7283 PR rtl-optimization/39588
7284 * combine.c (merge_outer_ops): Do not set the constant when this
7285 is not necessary.
7286 (simplify_shift_const_1): Do not modify it either in this case.
7287
7288 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
7289
7290 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
7291 tuning is deprecated if -mtune value is set to an Itanium1 variant.
7292
7293 2009-04-01 Janis Johnson <janis187@us.ibm.com>
7294
7295 PR c/29027
7296 * c-lex.c (interpret_float): Default (no suffix) is double.
7297
7298 2009-04-1 Xinliang David Li <davidxl@google.com>
7299
7300 * config/i386/i386.c (legitimate_constant_p): Recognize
7301 all one vector constant.
7302
7303 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
7304
7305 * config/vax/vax.c: Add #includes to silence warnings.
7306 Change #include order to silence two warnings.
7307
7308 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
7309
7310 * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
7311 (ASM_SPEC): Pass -k to the assembler for PIC code.
7312
7313 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
7314
7315 * config.gcc: Add vax-*-linux* to the switch.
7316 * config/vax/linux.h: New file. (TARGET_VERSION,
7317 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
7318
7319 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
7320
7321 * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
7322 Use predicate macros instead of GET_CODE() == foo.
7323 * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
7324 ashlsi3, rotrsi3, <unnamed>): Likewise.
7325
7326 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
7327
7328 * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
7329 jbbccihi, jbbccisi): Remova trailing whitespace.
7330 * config/vax/constraints.md: Likewise.
7331 * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
7332 * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
7333 * config/vax/predicates.md: Likewise.
7334 * config/vax/vax.c (print_operand_address, vax_output_int_move,
7335 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
7336 * config/vax/vax.h: Likewise.
7337 * config/vax/vax.md (nonlocal_goto): Likewise.
7338
7339 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
7340
7341 * config/vax/vax.c (vax_float_literal, vax_output_int_move)
7342 (indirectable_address_p, adjacent_operands_p): Add spaces around
7343 braces.
7344 * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
7345
7346 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
7347
7348 * config/vax/vax.c (legitimate_constant_address_p,
7349 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
7350 index_term_p, reg_plus_index_p, legitimate_address_p,
7351 vax_mode_dependent_address_p): Update comments to match functions
7352 modified by the recent int->bool conversion.
7353
7354 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
7355
7356 * config/vax/builtins.md: Update copyright message.
7357 * config/vax/constraints.md: Likewise.
7358 * config/vax/netbsd-elf.h: Likewise.
7359 * config/vax/predicates.md: Likewise.
7360 * config/vax/vax-protos.h: Likewise.
7361 * config/vax/vax.c: Likewise.
7362 * config/vax/vax.h: Likewise.
7363 * config/vax/vax.md: Likewise.
7364 * config/vax/vax.opt: Likewise.
7365
7366 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
7367
7368 * config/vax/builtins.md (ffssi2, ffssi2_internal,
7369 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
7370 * config/vax/constraints.md (B, R): Likewise.
7371 * config/vax/predicates.md (external_memory_operand,
7372 nonimmediate_addsub_di_operand): Likewise.
7373 * config/vax/vax.c (vax_output_int_add): Likewise.
7374 * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
7375 untyped_call): Likewise.
7376
7377 2009-04-01 Matt Thomas <matt@3am-software.com>
7378
7379 * config/vax/predicates.md: New file.
7380 (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
7381 external_const_operand, nonsymbolic_operand, external_memory_operand,
7382 indirect_memory_operand, indexed_memory_operand,
7383 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
7384 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
7385 predicate.
7386 * config/vax/constraints.md: New file.
7387 (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
7388 New constraint.
7389 * config/vax/builtins.md: New file.
7390 (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
7391 jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
7392 jbbccisi): Define.
7393 * config/vax/vax.opt (mqmath): Add option.
7394 * config/vax/vax.md (isfx): Extend with DI.
7395 (VAXintQH, VAXintQHSD): Define.
7396 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
7397 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
7398 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
7399 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
7400 (movdi): Update constraints and use vax_output_int_move().
7401 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
7402 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
7403 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
7404 nonlocal_goto): New.
7405 (mov<mode>): Extend accepted operand types.
7406 (subdi3_old): Rename from subdi3, change update constraints and use
7407 a new implementation.
7408 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
7409 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
7410 MOVE_RATIO, CLEAR_RATIO): Define.
7411 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
7412 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
7413 (PRINT_OPERAND): Redefine using a function instead of inlined code.
7414 * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
7415 (split_quadword_operands): Make static and really allow variable
7416 splitting.
7417 (print_operand_address): Update for PIC generation.
7418 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
7419 indexable_address_p, fixup_mathdi_operand,
7420 vax_expand_addsub_di_operands, adjacent_operands_p): New.
7421 (vax_float_literal, legitimate_constant_p,
7422 indirectable_constant_address_p, index_term_p,
7423 reg_plus_index_p): Return bool instead of int.
7424 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
7425 where needed.
7426 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
7427 generation.
7428 (vax_output_conditional_branch): Indent.
7429 (legitimate_constant_address_p, indirectable_constant_address_p,
7430 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
7431 vax_mode_dependent_address_p): Return bool instead of int, update for
7432 PIC generation.
7433 * config/vax/vax-protos.h (legitimate_constant_address_p,
7434 legitimate_constant_p, legitimate_address_p,
7435 vax_mode_dependent_address_p): Change declaration to bool.
7436 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
7437 vax_expand_addsub_di_operands, vax_output_int_subtract,
7438 vax_output_movmemsi): Declare.
7439 (split_quadword_operands, vax_float_literal): Delete declaration.
7440 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
7441 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
7442 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
7443 ASM_OUTPUT_DWARF_PCREL): Define.
7444 (ASM_SPEC): Change definition to allow PIC generation.
7445
7446 2009-04-01 Steve Ellcey <sje@cup.hp.com>
7447
7448 * doc/sourcebuild.texi: Update front-end requirements.
7449
7450 2009-04-01 Jakub Jelinek <jakub@redhat.com>
7451
7452 PR target/39226
7453 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
7454 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
7455 (booldi3_internal3): Use boolean_or_operator instead of
7456 boolean_operator.
7457
7458 2009-04-01 Joseph Myers <joseph@codesourcery.com>
7459
7460 PR c/39605
7461 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
7462 declarator whose size is not an integer constant expression but
7463 folds to an integer constant, then treat it as a constant
7464 subsequently.
7465
7466 2009-04-01 Richard Guenther <rguenther@suse.de>
7467
7468 * fold-const.c (fold_plusminus_mult_expr): Do not fold
7469 i * 4 + 2 to (i * 2 + 1) * 2.
7470
7471 2009-04-01 Jakub Jelinek <jakub@redhat.com>
7472
7473 PR c/37772
7474 * c-parser.c (c_parser_asm_statement): Skip until close paren and
7475 return if c_parser_asm_string_literal returned NULL.
7476
7477 2009-04-01 Nick Clifton <nickc@redhat.com>
7478
7479 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
7480 already defined.
7481 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
7482 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
7483 other typedefs to avoid conflicts with libgcc2.c. Define labels
7484 to gain 16-bit bit-manipulation functions from libgcc2.c and then
7485 include it.
7486 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
7487 to gain 16-bit trapping arithmetic functions from libgcc2.c and
7488 then include it.
7489
7490 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
7491
7492 * varasm.c (default_function_rodata_section): Declare DOT as
7493 const char*.
7494
7495 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
7496 Andrey Galkin <agalkin@hypercom.com>
7497
7498 PR/39492
7499 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
7500 Make object_name unique for each process.
7501
7502 2009-04-01 Jakub Jelinek <jakub@redhat.com>
7503
7504 PR other/39591
7505 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
7506 addressable variables in the parallel that could go out of scope while
7507 running queued tasks.
7508
7509 2009-04-01 Anatoly Sokolov <aesok@post.ru>
7510
7511 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
7512 (CASE_VALUES_THRESHOLD): Redefine.
7513 * config/avr/avr.c (avr_override_options): Remove initialization of
7514 avr_case_values_threshold variable.
7515 (avr_case_values_threshold): Remove variable. Add new function.
7516 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
7517 * config/avr/avr.opt (mno-tablejump): Remove option.
7518 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
7519
7520 2009-04-01 DJ Delorie <dj@redhat.com>
7521
7522 * varasm.c (default_function_rodata_section): Don't assume
7523 anything about where the first '.' in the section name is.
7524
7525 2009-04-01 Alan Modra <amodra@bigpond.net.au>
7526
7527 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
7528 rs6000_emit_stack_tie.
7529
7530 2009-03-31 Ian Lance Taylor <iant@google.com>
7531
7532 * tree-eh.c (tree_remove_unreachable_handlers): Compare
7533 gimple_code with GIMPLE_RESX, not RESX.
7534
7535 2009-03-31 Joseph Myers <joseph@codesourcery.com>
7536
7537 * c-common.c (c_get_ident): New.
7538 (c_common_nodes_and_builtins): Call it for type names that may be NULL.
7539
7540 2009-04-01 Ben Elliston <bje@au.ibm.com>
7541
7542 * config/rs6000/sysv4.opt (msdata): Improve option description.
7543
7544 2009-03-31 Steve Ellcey <sje@cup.hp.com>
7545
7546 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
7547 (divdf3_internal_lat): Remove.
7548 (divxf3_internal_lat): Remove.
7549 (divxf3_internal_thr): Remove.
7550 (divxf): Use divxf3_internal.
7551 * config/ia64/div.md (divsf3_internal_lat): New.
7552 (divdf3_internal_lat): New.
7553 (divxf3_internal): New.
7554
7555 2009-03-31 Joseph Myers <joseph@codesourcery.com>
7556
7557 PR c/448
7558 * Makefile.in (USE_GCC_STDINT): Define.
7559 (stmp-int-hdrs): Install stdint.h if applicable.
7560 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
7561 if known.
7562 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
7563 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
7564 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7565 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7566 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7567 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7568 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7569 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7570 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7571 (c_common_nodes_and_builtins): Initialize
7572 underlying_wchar_type_node. Do not initialize
7573 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
7574 nodes for new types.
7575 (c_stddef_cpp_builtins): Define macros for new types.
7576 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
7577 Remove.
7578 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
7579 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
7580 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
7581 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
7582 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
7583 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
7584 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
7585 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
7586 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
7587 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
7588 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
7589 int16_type_node, int32_type_node, int64_type_node,
7590 uint8_type_node, uint16_type_node, c_uint32_type_node,
7591 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
7592 int_least32_type_node, int_least64_type_node,
7593 uint_least8_type_node, uint_least16_type_node,
7594 uint_least32_type_node, uint_least64_type_node,
7595 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
7596 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
7597 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
7598 uintptr_type_node): Define.
7599 * c-cppbuiltin.c (builtin_define_constants,
7600 builtin_define_type_minmax): New.
7601 (builtin_define_stdint_macros): Define more macros.
7602 (c_cpp_builtins): Define more limit macros.
7603 (type_suffix): New.
7604 (builtin_define_type_max): Define in terms of
7605 builtin_define_type_minmax. Remove is_long parameter. All
7606 callers changed.
7607 * config.gcc (use_gcc_stdint): Define.
7608 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
7609 Add newlib-stdint.h for generic targets.
7610 * config/glibc-stdint.h, config/newlib-stdint.h,
7611 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
7612 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
7613 * config/score/score.h (UINTPTR_TYPE): Define.
7614 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
7615 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
7616 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7617 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7618 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7619 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7620 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7621 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
7622 * config/spu/spu.h (STDINT_LONG32): Define.
7623 * configure.ac (use_gcc_stdint): Substitute.
7624 * configure: Regenerate.
7625 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
7626 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
7627 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
7628 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
7629 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
7630 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
7631 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
7632 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
7633 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
7634 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
7635 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
7636 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
7637 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
7638 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
7639 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
7640 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
7641 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
7642 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
7643 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
7644 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
7645 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
7646 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
7647 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
7648 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7649 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
7650 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
7651 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
7652 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7653 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
7654
7655 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
7656
7657 * loop-iv.c (suitable_set_for_replacement): Renamed from
7658 simplify_using_assignment; changed to return bool and to accept new
7659 args DEST and SRC. Return true iff we find a source/destination pair
7660 that can be used to make a replacement, and fill SRC and DEST if so.
7661 Remove arg ALTERED. Don't deal with altered regs here. All callers
7662 changed.
7663 (simplify_using_initial_values): Deal with altered regs here and track
7664 more precisely the effect they have on the validity of our expression.
7665
7666 * loop-iv.c (simplify_using_condition): A condition of the form
7667 (EQ REG CONST) can be used to simply make a substitution.
7668 (simplify_using_initial_values): Keep track of conditions we have seen
7669 and keep using them to simplify new expressions, while applying the
7670 same substitutions to them as to the expression.
7671
7672 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7673 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
7674 GEU/LTU reversed.
7675
7676 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
7677 changed. Use this when trying to improve the upper bound.
7678 Generate the comparison by using simplify_gen_relational.
7679
7680 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
7681
7682 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
7683 functions.
7684 (simplify_using_assignment, simplify_using_initial_values): Call
7685 replace_in_expr to make replacements. Call replace_single_def_regs
7686 once on the initial version of the expression.
7687
7688 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7689
7690 PR target/27237
7691 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
7692
7693 2009-03-31 Richard Guenther <rguenther@suse.de>
7694
7695 PR middle-end/31029
7696 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
7697 equality comparisons. Fold C - X CMP X if C % 2 == 1.
7698
7699 2009-03-31 Richard Guenther <rguenther@suse.de>
7700
7701 * tree.h (div_if_zero_remainder): Declare.
7702 * fold-const.c (div_if_zero_remainder): Export.
7703 * tree-ssa-forwprop.c
7704 (forward_propagate_addr_into_variable_array_index): Handle
7705 constant array index addition outside of the variable index.
7706
7707 2009-03-31 Joseph Myers <joseph@codesourcery.com>
7708
7709 PR target/39592
7710 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
7711 define_splits, floatunssi<mode>2): Require x87 conversions from
7712 DImode to be permitted.
7713
7714 2009-03-31 Joseph Myers <joseph@codesourcery.com>
7715
7716 PR preprocessor/15638
7717 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
7718
7719 2009-03-31 Richard Guenther <rguenther@suse.de>
7720
7721 PR middle-end/23401
7722 PR middle-end/27810
7723 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
7724 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
7725 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
7726 a separate statement.
7727 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
7728 (lookup_tmp_var): Likewise.
7729 (is_gimple_formal_tmp_or_call_rhs): Remove.
7730 (is_gimple_reg_or_call_rhs): Rename to ...
7731 (is_gimple_reg_rhs_or_call): ... this.
7732 (is_gimple_mem_or_call_rhs): Rename to ...
7733 (is_gimple_mem_rhs_or_call): ... this.
7734 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
7735 DECL_GIMPLE_REG_P only if is_formal is true.
7736 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
7737 for non-proper post-modify expression gimplification.
7738 (gimplify_self_mod_expr): For post-modify expressions gimplify
7739 the lvalue to a minimal lvalue.
7740 (rhs_predicate_for): Remove formal temp case.
7741 (gimplify_modify_expr_rhs): Likewise.
7742 (gimplify_addr_expr): Use is_gimple_reg.
7743 (gimplify_expr): Remove formal temp cases.
7744 (gimple_regimplify_operands): Likewise.
7745 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
7746 and FILTER_EXPR like constants.
7747 * gimple.c (walk_gimple_op): Fix val_only initialization, use
7748 is_gimple_reg.
7749 (is_gimple_formal_tmp_rhs): Remove.
7750 (is_gimple_reg_rhs): Remove special casing.
7751 (is_gimple_mem_rhs): Fix.
7752 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
7753 (is_gimple_formal_tmp_var): Remove.
7754 (is_gimple_formal_tmp_reg): Likewise.
7755 (is_gimple_min_lval): Allow invariant component ref parts.
7756 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
7757 is_gimple_formal_tmp_reg): Remove declarations.
7758 * tree-cfg.c (verify_expr): Verify that variables with address
7759 taken do not have DECL_GIMPLE_REG_P set.
7760 * tree-mudflap.c (mf_build_check_statement_for): Use
7761 force_gimple_operand instead of gimplify_expr.
7762
7763 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
7764
7765 * modulo-sched.c (sms_schedule_by_order): Pass the actual
7766 schedulable rows to compute_split_row.
7767
7768 2009-03-31 Ben Elliston <bje@au.ibm.com>
7769
7770 PR target/31635
7771 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
7772 OPT_mvrsave.
7773
7774 2009-03-31 Alan Modra <amodra@bigpond.net.au>
7775
7776 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
7777 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
7778 * configure: Regenerate.
7779 * config.in: Regenerate.
7780 * config/rs6000/rs6000.opt (mtls-markers): Add.
7781 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
7782 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
7783 (tls_ld_aix, tls_ld_sysv): Likewise.
7784 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
7785 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
7786
7787 2009-03-31 Alan Modra <amodra@bigpond.net.au>
7788
7789 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
7790
7791 2009-03-30 Jan Hubicka <jh@suse.cz>
7792
7793 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
7794 out of RESX.
7795 (tree_remove_unreachable_handlers): Cleanup EH predecestor
7796 detection and label handling.
7797
7798 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
7799
7800 * ira-int.h (ira_allocno): Rename left_conflicts_num to
7801 left_conflicts_size.
7802 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
7803 ALLOCNO_LEFT_CONFLICTS_SIZE.
7804
7805 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
7806 remove_allocno_from_bucket_and_push,
7807 allocno_spill_priority_compare, push_allocnos_to_stack,
7808 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7809 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
7810 (setup_allocno_left_conflicts_num): Ditto. Rename to
7811 setup_allocno_left_conflicts_size.
7812 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
7813 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
7814 setup_allocno_left_conflicts_size instead of
7815 setup_allocno_left_conflicts_num.
7816
7817 * ira-build.c (ira_create_allocno): Use
7818 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
7819 ALLOCNO_LEFT_CONFLICTS_NUM.
7820
7821 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
7822
7823 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
7824 instead of DF_LR_OUT.
7825
7826 * ira-lives.c (process_bb_node_lives): Ditto.
7827
7828 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
7829 instead of DF_LR_{OUT,IN}.
7830
7831 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
7832
7833 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
7834
7835 2009-03-30 Jan Hubicka <jh@suse.cz>
7836
7837 * except.c (label_to_region_map): Fix thinko.
7838
7839 2009-03-30 Steve Ellcey <sje@cup.hp.com>
7840
7841 PR middle-end/38237
7842 * tree.h (tree_find_value): New declaration.
7843 * tree.c (tree_find_value): New function.
7844 * varasm.c (assemble_external): Avoid duplicate entries on lists.
7845
7846 2009-03-30 Jakub Jelinek <jakub@redhat.com>
7847
7848 PR debug/39563
7849 * c-decl.c (struct c_binding): Add locus field.
7850 (bind): Add locus argument, set locus field from it.
7851 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
7852 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
7853 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
7854 implicitly_declare, undeclared_variable, lookup_label,
7855 declare_label, c_make_fname_decl, c_builtin_function,
7856 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
7857 bind callers.
7858
7859 2009-03-30 H.J. Lu <hongjiu.lu@intel.com>
7860
7861 PR target/38781
7862 * config/i386/i386.c (classify_argument): Check total size of
7863 structure.
7864
7865 2009-03-30 Martin Jambor <mjambor@suse.cz>
7866
7867 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
7868 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
7869 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
7870 respectively.
7871
7872 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
7873 seen_variable_array_ref while also traversing a union.
7874
7875 * tree-inline.c (optimize_inline_calls): Do not call
7876 cgraph_node_remove_callees.
7877 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
7878 (pass_remove_cgraph_callee_edges): New variable.
7879 * passes.c (init_optimization_passes): Add
7880 pass_remove_cgraph_callee_edges after early inlining and before all
7881 late intraprocedural passes.
7882
7883 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
7884
7885 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
7886
7887 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
7888 Fix typos in names.
7889
7890 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
7891
7892 * combine.c (simplify_comparison): Use have_insn_for.
7893 * dojump.c (do_jump): Likewise.
7894
7895 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
7896
7897 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
7898 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
7899 sparc_compare_op0 like sparc_compare_emitted used to be handled.
7900 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
7901 instead of sparc_compare_emitted.
7902 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
7903 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
7904 instead of sparc_compare_emitted.
7905
7906 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
7907
7908 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
7909 enter/exit cfglayout mode.
7910 (pass_partition_block): Require it.
7911 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
7912 (combine_instructions): Track basic blocks instead of labels.
7913 (update_cfg_for_uncondjump): New.
7914 (try_combine): Use it. Update jumps after rescanning.
7915 (pass_combine): Require PROP_cfglayout.
7916 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
7917
7918 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
7919
7920 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
7921 Provide/destroy PROP_cfglayout respectively.
7922 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
7923 * tree-pass.h (PROP_cfglayout): New.
7924
7925 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
7926
7927 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
7928 fold_convert_const_fixed_from_fixed,
7929 fold_convert_const_fixed_from_int,
7930 fold_convert_const_fixed_from_real, fold_negate_const): Do not
7931 set TREE_CONSTANT_OVERFLOW.
7932 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
7933 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
7934
7935 2009-03-30 Ira Rosen <irar@il.ibm.com>
7936
7937 * tree-vect-loop-manip.c: New file.
7938 * tree-vectorizer.c: Update documentation and included files.
7939 (vect_loop_location): Make extern.
7940 (rename_use_op): Move to tree-vect-loop-manip.c
7941 (rename_variables_in_bb, rename_variables_in_loop,
7942 slpeel_update_phis_for_duplicate_loop,
7943 slpeel_update_phi_nodes_for_guard1,
7944 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
7945 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
7946 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
7947 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
7948 find_loop_location): Likewise.
7949 (new_stmt_vec_info): Move to tree-vect-stmts.c.
7950 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
7951 get_vectype_for_scalar_type, vect_is_simple_use,
7952 supportable_widening_operation, supportable_narrowing_operation):
7953 Likewise.
7954 (bb_in_loop_p): Move to tree-vect-loop.c.
7955 (new_loop_vec_info, destroy_loop_vec_info,
7956 reduction_code_for_scalar_code, report_vect_op,
7957 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
7958 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
7959 (vect_supportable_dr_alignment): Likewise.
7960 * tree-vectorizer.h (tree-data-ref.h): Include.
7961 (vect_loop_location): Declare.
7962 Reorganize function declarations according to the new file structure.
7963 * tree-vect-loop.c: New file.
7964 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
7965 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
7966 * tree-vect-data-refs.c: New file.
7967 * tree-vect-patterns.c (timevar.h): Don't include.
7968 * tree-vect-stmts.c: New file.
7969 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
7970 tree-vect-slp.c, tree-vect-loop.c.
7971 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
7972 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
7973 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
7974 (tree-vect-analyze.o): Remove.
7975 (tree-vect-transform.o): Likewise.
7976 (tree-vect-data-refs.o): Add rule.
7977 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
7978 tree-vect-slp.o): Likewise.
7979 (tree-vect-patterns.o): Remove redundant dependencies.
7980 (tree-vectorizer.o): Likewise.
7981 * tree-vect-slp.c: New file.
7982
7983 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7984
7985 * optc-gen.awk: Warn if an option flag has multiple different
7986 help strings.
7987
7988 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
7989
7990 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
7991 -floop-block): Document dependences on PPL, CLooG and Graphite.
7992
7993 2009-03-30 Joseph Myers <joseph@codesourcery.com>
7994
7995 PR rtl-optimization/323
7996 * c-common.c (c_fully_fold, convert_and_check,
7997 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
7998 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
7999 * c-common.def (EXCESS_PRECISION_EXPR): New.
8000 * c-cppbuiltin.c (builtin_define_float_constants): Define
8001 constants with enough digits for long double.
8002 * c-lex.c (interpret_float): Interpret constant with excess
8003 precision where appropriate.
8004 * c-opts.c (c_common_post_options): Set
8005 flag_excess_precision_cmdline. Give an error for
8006 -fexcess-precision=standard for C++ for processors where the
8007 option is significant.
8008 * c-parser.c (c_parser_conditional_expression): Handle excess
8009 precision in condition.
8010 * c-typeck.c (convert_arguments): Handle arguments with excess
8011 precision.
8012 (build_unary_op): Move excess precision outside operation.
8013 (build_conditional_expr): Likewise.
8014 (build_compound_expr): Likewise.
8015 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
8016 (build_modify_expr): Handle excess precision in RHS.
8017 (convert_for_assignment): Handle excess precision in converted
8018 value.
8019 (digest_init, output_init_element, process_init_element): Handle
8020 excess precision in initializer.
8021 (c_finish_return): Handle excess precision in return value.
8022 (build_binary_op): Handle excess precision in operands and add
8023 excess precision as needed for operation.
8024 * common.opt (-fexcess-precision=): New option.
8025 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
8026 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
8027 For standard excess precision, output explicit conversion to and
8028 truncation from XFmode.
8029 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
8030 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
8031 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
8032 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
8033 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
8034 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
8035 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
8036 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
8037 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
8038 define_splits, sqrt<mode>2): Disable where appropriate for
8039 standard excess precision.
8040 * convert.c (convert_to_real): Do not shorten arithmetic to type
8041 for which excess precision would be used.
8042 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
8043 * doc/invoke.texi (-fexcess-precision=): Document option.
8044 (-mfpmath=): Correct index entry.
8045 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
8046 flag_excess_precision): New.
8047 * langhooks.c (lhd_post_options): Set
8048 flag_excess_precision_cmdline.
8049 * opts.c (common_handle_option): Handle -fexcess-precision=.
8050 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
8051 init_excess_precision): New.
8052 (lang_dependent_init_target): Call init_excess_precision.
8053 * tree.c (excess_precision_type): New.
8054 * tree.h (excess_precision_type): Declare.
8055
8056 2009-03-30 Joseph Myers <joseph@codesourcery.com>
8057
8058 PR c/35235
8059 * c-typeck.c (build_component_ref): Do not copy qualifiers from
8060 non-lvalue to component.
8061
8062 2009-03-29 Joseph Myers <joseph@codesourcery.com>
8063
8064 PR preprocessor/34695
8065 * Makefile.in (c-opts.o): Depend on c-tree.h.
8066 * c-common.c: Move down include of diagnostic.h.
8067 (done_lexing, c_cpp_error): New.
8068 * c-common.h (done_lexing): Declare.
8069 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
8070 (parse_in).
8071 * c-opts.c: Include c-tree.h.
8072 (c_common_init_options): Set preprocessor error callback.
8073 (c_common_handle_option): Do not set preprocessor
8074 inhibit_warnings, warnings_are_errors, warn_system_headers,
8075 pedantic_errors or inhibit_warnings flags.
8076 (c_common_post_options): Do not check cpp_errors (parse_in).
8077 (c_common_finish): Do not output dependencies if there were
8078 errors. Do not check return value of cpp_finish.
8079 * c-ppoutput.c (pp_file_change): Set input_location.
8080 * c-tree.h (c_cpp_error): Declare.
8081 * diagnostic.c (diagnostic_set_info_translated): Also initialize
8082 override_column.
8083 (diagnostic_build_prefix): Check override_column.
8084 * diagnostic.h (diagnostic_info): Add override_column field.
8085 (diagnostic_override_column): Define.
8086
8087 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
8088
8089 * c-common.c (c_expand_expr, c_staticp): Remove.
8090 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
8091 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
8092 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
8093 * c-gimplify.c (gimplify_compound_literal_expr,
8094 optimize_compound_literals_in_ctor): Remove.
8095 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
8096 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
8097 * c-semantics.c (emit_local_var): Remove.
8098
8099 * langhooks-def.h (lhd_expand_expr): Remove.
8100 * langhooks.c (lhd_expand_expr): Remove.
8101 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
8102
8103 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
8104 handling from c-semantics.c; don't call into langhook.
8105 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
8106 * gimplify.c (gimplify_compound_literal_expr,
8107 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
8108 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
8109 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
8110 as was done in c-gimplify.c.
8111 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
8112 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
8113 Move from c-common.h.
8114 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
8115
8116 * tree.c (staticp): Do not call langhook.
8117 * langhooks.c (lhd_staticp): Delete.
8118 * langhooks-def.h (lhd_staticp): Delete prototype.
8119 (LANG_HOOKS_STATICP): Delete.
8120 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
8121
8122 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
8123 instead of DECL_STMTs.
8124
8125 2009-03-29 Joseph Myers <joseph@codesourcery.com>
8126
8127 PR c/456
8128 PR c/5675
8129 PR c/19976
8130 PR c/29116
8131 PR c/31871
8132 PR c/35198
8133 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
8134 void_type_node.
8135 (fold_call_expr): Return a NOP_EXPR from folding rather than the
8136 contained expression.
8137 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
8138 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
8139 conditional expressions for C.
8140 (decl_constant_value_for_optimization): Move from
8141 decl_constant_value_for_broken_optimization in c-typeck.c. Check
8142 whether optimizing and that the expression is a VAR_DECL not of
8143 array type instead of doing such checks in the caller. Do not
8144 check pedantic. Call gcc_unreachable for C++.
8145 * c-common.def (C_MAYBE_CONST_EXPR): New.
8146 * c-common.h (c_fully_fold, c_save_expr,
8147 decl_constant_value_for_optimization): New prototypes.
8148 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
8149 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
8150 EXPR_INT_CONST_OPERANDS): Define.
8151 * c-convert.c (convert): Strip nops from expression.
8152 * c-decl.c (groktypename): Take extra parameters expr and
8153 expr_const_operands. Update call to grokdeclarator.
8154 (start_decl): Update call to grokdeclarator. Add statement for
8155 expressions used in type of decl.
8156 (grokparm): Update call to grokdeclarator.
8157 (push_parm_decl): Update call to grokdeclarator.
8158 (build_compound_literal): Add parameter non_const and build a
8159 C_MAYBE_COSNT_EXPR if applicable.
8160 (grokdeclarator): Take extra parameters expr and
8161 expr_const_operands. Track expressions used in declaration
8162 specifiers and declarators. Fold array sizes and track whether
8163 they are constant expressions and whether they are integer
8164 constant expressions.
8165 (parser_xref_tag): Set expr and expr_const_operands fields in
8166 return value.
8167 (grokfield): Update call to grokdeclarator.
8168 (start_function): Update call to grokdeclarator.
8169 (build_null_declspecs): Set expr and expr_const_operands fields in
8170 return value.
8171 (declspecs_add_type): Handle expressions in typeof specifiers.
8172 * c-parser.c (c_parser_declspecs): Set expr and
8173 expr_const_operands fields for declaration specifiers.
8174 (c_parser_enum_specifier): Likewise.
8175 (c_parser_struct_or_union_specifier): Likewise.
8176 (c_parser_typeof_specifier): Likewise. Update call to
8177 groktypename. Fold expression as needed. Return expressions with
8178 type instead of adding statements.
8179 (c_parser_attributes): Update calls to c_parser_expr_list.
8180 (c_parser_statement_after_labels): Fold expression before passing
8181 to objc_build_throw_stmt.
8182 (c_parser_condition): Fold expression.
8183 (c_parser_asm_operands): Fold expression.
8184 (c_parser_conditional_expression): Use c_save_expr. Update call
8185 to build_conditional_expr.
8186 (c_parser_alignof_expression): Update call to groktypename.
8187 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
8188 original_code. Fold expression argument of va_arg. Create
8189 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
8190 argument to va_arg. Update calls to groktypename. Fold array
8191 index for offsetof. Verify that first argument to
8192 __builtin_choose_expr has integer type.
8193 (c_parser_postfix_expression_after_paren_type): Update calls to
8194 groktypename and build_compound_literal. Handle expressions with
8195 side effects in type name.
8196 (c_parser_postfix_expression_after_primary): Update call to
8197 c_parser_expr_list. Set original_code for calls to
8198 __builtin_constant_p.
8199 (c_parser_expr_list): Take extra parameter fold_p. Fold
8200 expressions if requested.
8201 (c_parser_objc_type_name): Update call to groktypename.
8202 (c_parser_objc_synchronized_statement): Fold expression.
8203 (c_parser_objc_receiver): Fold expression.
8204 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
8205 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
8206 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
8207 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
8208 (struct c_typespec): Add elements expr and expr_const_operands.
8209 (struct c_declspecs): Add elements expr and expr_const_operands.
8210 (groktypename, build_conditional_expr, build_compound_literal):
8211 Update prototypes.
8212 (in_late_binary_op): Declare.
8213 * c-typeck.c (note_integer_operands): New function.
8214 (in_late_binary_op): New variable.
8215 (decl_constant_value_for_broken_optimization): Move to c-common.c
8216 and rename to decl_constant_value_for_optimization.
8217 (default_function_array_conversion): Do not strip nops.
8218 (default_conversion): Do not call
8219 decl_constant_value_for_broken_optimization.
8220 (build_array_ref): Do not fold result.
8221 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
8222 result when operand is a VLA.
8223 (c_expr_sizeof_type): Update call to groktypename. Handle
8224 expressions included in type name. Use C_MAYBE_CONST_EXPR for
8225 result when operand names a VLA type.
8226 (build_function_call): Update call to build_compound_literal.
8227 Only fold result for calls to __builtin_* functions. Strip
8228 NOP_EXPR from INTEGER_CST returned from such functions. Fold
8229 the function designator.
8230 (convert_arguments): Fold arguments. Update call to
8231 convert_for_assignment.
8232 (build_unary_op): Handle increment and decrement of
8233 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
8234 decrement earlier. Fold operand of increment and decrement.
8235 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
8236 built for integer operand. Wrap returns that are INTEGER_CSTs
8237 without being integer constant expressions or that have integer
8238 constant operands without being INTEGER_CSTs.
8239 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
8240 (build_conditional_expr): Add operand ifexp_bcp. Track whether
8241 result is an integer constant expression or can be used in
8242 unevaluated parts of one and avoid folding and wrap as
8243 appropriate. Fold operands before possibly doing -Wsign-compare
8244 warnings.
8245 (build_compound_expr): Wrap result for C99 if operands can be used
8246 in integer constant expressions.
8247 (build_c_cast): Update call to digest_init. Do not ignore
8248 overflow from casting floating-point constants to integers. Wrap
8249 results that could be confused with integer constant expressions,
8250 null pointer constants or floating-point constants.
8251 (c_cast_expr): Update call to groktypename. Handle expressions
8252 included in type name.
8253 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
8254 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
8255 Update calls to convert_for_assignment.
8256 (convert_for_assignment): Take new parameter
8257 null_pointer_constant. Do not strip nops or call
8258 decl_constant_value_for_broken_optimization. Set
8259 in_late_binary_op for conversions to boolean.
8260 (store_init_value): Update call to digest_init.
8261 (digest_init): Take new parameter null_pointer_constant. Do not
8262 call decl_constant_value_for_broken_optimization. pedwarn for
8263 initializers not constant expressions. Update calls to
8264 convert_for_assignment.
8265 (constructor_nonconst): New.
8266 (struct constructor_stack): Add nonconst element.
8267 (really_start_incremental_init, push_init_level, pop_init_level):
8268 Handle constructor_nonconst and nonconst element.
8269 (set_init_index): Call constant_expression_warning for array
8270 designators.
8271 (output_init_element): Fold value. Set constructor_nonconst as
8272 applicable. pedwarn for initializers not constant expressions.
8273 Update call to digest_init. Call constant_expression_warning
8274 where constant initializers are required.
8275 (process_init_element): Use c_save_expr.
8276 (c_finish_goto_ptr): Fold expression.
8277 (c_finish_return): Fold return value. Update call to
8278 convert_for_assignment.
8279 (c_start_case): Fold switch expression.
8280 (c_process_expr_stmt): Fold expression.
8281 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
8282 ensure statement expression is not evaluated in constant expression.
8283 (build_binary_op): Track whether results are integer constant
8284 expressions or may occur in such, disable folding and wrap results
8285 as applicable. Fold operands for -Wsign-compare warnings unless
8286 in_late_binary_op.
8287 (c_objc_common_truthvalue_conversion): Handle results folded to
8288 integer constants that are not integer constant expressions.
8289 * doc/extend.texi: Document when typeof operands are evaluated,
8290 that condition of __builtin_choose_expr is an integer constant
8291 expression, and more about use of __builtin_constant_p in
8292 initializers.
8293
8294 2009-03-29 Richard Guenther <rguenther@suse.de>
8295
8296 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
8297 propagate addresses of array references.
8298
8299 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
8300
8301 * regmove.c (perhaps_ends_bb_p): Remove.
8302 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
8303 from INSN and check that the main loop stays within that basic block.
8304 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
8305 (regmove_forward_pass): Split out from regmove_optimize. Use
8306 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
8307 (regmove_backward_pass): Split out from regmove_optimize. Use
8308 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
8309 (regmove_optimize): Simplify.
8310
8311 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
8312
8313 PR target/39545
8314 * config/i386/i386.c (classify_argument): Ignore flexible array
8315 member in struct and warn ABI change.
8316
8317 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
8318
8319 * config/i386/i386-protos.h (ix86_agi_dependent): New.
8320
8321 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
8322 (ix86_adjust_cost): Updated.
8323
8324 2009-03-29 Jan Hubicka <jh@suse.cz>
8325
8326 PR middle-end/28850
8327 * tree-pass.h (pass_cleanup_eh): New function.
8328 (remove_unreachable_regions): Break code handling RTL
8329 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
8330 that can not be reached by runtime.
8331 (can_be_reached_by_runtime): New function.
8332 (label_to_region_map): New function.
8333 (num_eh_regions): New function.
8334 (rtl_remove_unreachable_regions): New function.
8335 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
8336 (remove_eh_region): New function.
8337 * except.h: Include sbitmap and vecprim.
8338 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
8339 num_eh_regions): Declare.
8340 * passes.c (init_optimization_passes): Schedule cleanup_eh.
8341 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
8342 * tree-eh.c (tree_remove_unreachable_handlers): New function.
8343 (tree_empty_eh_handler_p): New function.
8344 (cleanup_empty_eh): New function.
8345 (cleanup_eh): New function.
8346 (pass_cleanup_eh): New function.
8347
8348 2009-03-29 Jan Hubicka <jh@suse.cz>
8349
8350 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
8351 for removed regions.
8352
8353 2009-03-29 Jan Hubicka <jh@suse.cz>
8354
8355 * except.c (dump_eh_tree): Dump all datastructures.
8356
8357 2009-03-29 Jan Hubicka <jh@suse.cz>
8358
8359 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
8360 (duplicate_eh_regions_1): Likewise.
8361 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
8362 vector; call EH verification.
8363 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8364 Be ready for region being removed.
8365
8366 2009-03-29 Jan Hubicka <jh@suse.cz>
8367
8368 * bitmap.c (bitmap_last_set_bit): New function.
8369 * bitmap.h (bitmap_last_set_bit): Declare.
8370
8371 2009-03-29 David Ayers <ayers@fsfe.org>
8372
8373 PR objc/27377
8374 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
8375 by calling objc_compare_types and surpress warnings about
8376 incompatible C pointers that are compatible ObjC pointers.
8377
8378 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
8379
8380 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
8381 call initialize_inline_failed.
8382 (initialize_inline_failed): Move it from here ...
8383 * cgraph.c (initialize_inline_failed): ... to here.
8384 (cgraph_create_edge): Call initialize_inline_failed rather than
8385 setting inline_failed directly.
8386
8387 2009-03-29 Ben Elliston <bje@au.ibm.com>
8388
8389 PR target/32542
8390 * sysv4.opt (msdata): Improve comment.
8391 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
8392 * sysv4.h (SVR4_ASM_SPEC): Likewise.
8393
8394 2009-03-29 Ben Elliston <bje@au.ibm.com>
8395
8396 PR target/30451
8397 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
8398 load and store attributes.
8399
8400 2009-03-29 Ben Elliston <bje@au.ibm.com>
8401
8402 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
8403 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
8404 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
8405 * doc/extend.texi (X86 Built-in Functions): Add index entries for
8406 __builtin_infq and __builtin_huge_valq.
8407
8408 2009-03-28 Anatoly Sokolov <aesok@post.ru>
8409
8410 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
8411 atmega8m1 devices.
8412 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8413 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
8414
8415 2009-03-28 Xinliang David Li <davidxl@google.com>
8416
8417 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
8418 (do_dbg_cnt): New function.
8419
8420 2009-03-28 Jan Hubicka <jh@suse.cz>
8421
8422 Merge from pretty-ipa:
8423
8424 2009-03-27 Jan Hubicka <jh@suse.cz>
8425
8426 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8427 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
8428 * passes.c (function_called_by_processed_nodes_p): New.
8429 * ipa-pure-const.c (check_call): Fix handling of operands.
8430 (analyze_function): Dump debug output for skipped bodies.
8431 (local_pure_const): Use function_called_by_processed_nodes_p.
8432 * dwarf2out.c (reference_to_unused): Use output.
8433 * passes.c (do_per_function_toporder): Likewise.
8434
8435 2008-11-12 Jan Hubicka <jh@suse.cz>
8436
8437 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
8438 * ipa-pure-const.c (funct_state_d): Add can throw field; make
8439 state_set_in_source enum
8440 (check_decl): Ignore memory tags; do not set fake looping flags;
8441 dump diagnostics.
8442 (check_operand, check_tree, check_rhs_var, check_lhs_var,
8443 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
8444 (check_call, analyze_function): Rewrite.
8445 (check_stmt): New.
8446 (add_new_function): Update call of analyze_function.
8447 (generate_summary): Add call of analyze_function.
8448 (propagate): Propagate can_throw; handle state_set_in_source correctly.
8449 (local_pure_const): New function.
8450 (pass_local_pure_const): New pass.
8451 * ipa-inline.c (inline_transform): Set after_inlining.
8452 * tree-eh.c (stmt_can_throw_external): New.
8453 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
8454 work with aliasing built.
8455 * tree-flow.h (stmt_can_throw_external): New.
8456 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
8457 and local pure/const pass in early and late optimization queue.
8458
8459 2009-03-28 Martin Jambor <mjambor@suse.cz>
8460
8461 * fold-const.c (get_pointer_modulus_and_residue): New parameter
8462 allow_func_align.
8463 (fold_binary): Allow function decl aligment consideration is the
8464 second argument is integer constant one.
8465 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
8466 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
8467 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
8468
8469 2009-03-28 Jan Hubicka <jh@suse.cz>
8470
8471 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
8472 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
8473 * function.h (rtl_data): Add nothrow flag.
8474 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
8475 set DECL_NOTHROW for AVAILABLE functions.
8476
8477 2009-03-28 Jakub Jelinek <jakub@redhat.com>
8478
8479 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
8480 following vector keyword has expansion starting with pixel or bool
8481 keyword, expand vector to __vector and pixel or bool to __pixel or
8482 __bool.
8483
8484 PR c++/39554
8485 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
8486 warn_if_disallowed_function_p): Removed.
8487 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
8488 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8489 warning_if_disallowed_function_p.
8490 * flags.h (warn_if_disallowed_function_p,
8491 warn_disallowed_functions): Removed.
8492 * common.opt (Wdisallowed-function-list=): Removed.
8493 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
8494
8495 2009-03-28 Richard Guenther <rguenther@suse.de>
8496
8497 PR tree-optimization/38723
8498 * tree-ssa-pre.c (compute_avail): Add all default definitions to
8499 the entry block.
8500
8501 2009-03-28 Jan Hubicka <jh@suse.cz>
8502
8503 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
8504 test introduced by my previous patch.
8505
8506 2009-03-28 Richard Guenther <rguenther@suse.de>
8507
8508 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
8509 the PHIs value undefined.
8510
8511 2009-03-28 Jan Hubicka <jh@suse.cz>
8512
8513 * tree-pass.h (pass_fixup_cfg): New pass.
8514 * ipa-inline.c (inline_transform): Set
8515 always_inline_functions_inlined/after_inlining.
8516 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
8517 (pass_fixup_cfg): New pass.
8518 * passes.c (init_optimization_passes): Add fixup_cfg.
8519
8520 2009-03-28 Richard Guenther <rguenther@suse.de>
8521
8522 PR tree-optimization/38458
8523 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
8524 argument use the arguments copy-of value.
8525
8526 2009-03-28 Richard Guenther <rguenther@suse.de>
8527
8528 PR tree-optimization/38180
8529 * tree-ssa-ccp.c (get_default_value): Simplify.
8530 (likely_value): Likewise.
8531 (surely_varying_stmt_p): Properly handle VOP case.
8532 (ccp_initialize): Likewise.
8533 (ccp_fold): Handle propagating through *&.
8534 (fold_const_aggregate_ref): Also handle decls.
8535
8536 2009-03-28 Jan Hubicka <jh@suse.cz>
8537
8538 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
8539 * cgraph.h (cgraph_node): Likewise.
8540 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
8541 (cgraph_reset_node): Use process flag.
8542 (cgraph_mark_functions_to_output): Likewise.
8543 (cgraph_expand_function): Likewise.
8544 (cgraph_expand_all_functions): Likewise.
8545 (cgraph_output_in_order): Likewise.
8546 * dwarf2out.c (reference_to_unused): Likewise.
8547 * passes.c do_per_function_toporder): Likewise.
8548
8549 2009-03-28 Jan Hubicka <jh@suse.cz>
8550
8551 Bring from lto-branch:
8552
8553 2008-09-03 Doug Kwan <dougkwan@google.com>
8554
8555 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
8556 enums instead of reason strings.
8557 * cgraph.c (cgraph_create_edge): Same.
8558 (cgraph_inline_failed_string): New function.
8559 * cgraph.h (cgraph_inline_failed_t): New enum type.
8560 (cgraph_inline_failed_string): New prototype.
8561 (struct cgraph_edge): Change type of INLINED_FAILED from constant
8562 char pointer to cgraph_inline_failed_t.
8563 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
8564 (cgraph_default_inline_p): Ditto.
8565 * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
8566 to cgraph_inline_failed_t pointer.
8567 * cif-code.def: New file.
8568 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
8569 reason string.
8570 (cgraph_check_inline_limits): Change type of REASON to pointer to
8571 cgraph_inline_failed_t. Replace reason strings with enums.
8572 (cgraph_default_inline_p): Ditto.
8573 (cgraph_recursive_inlining_p): Ditto.
8574 (update_caller_keys): Change type of FAILED_REASON to
8575 cgraph_inline_failed_t.
8576 (cgraph_set_inline_failed): Change type of REASON to pointer to
8577 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
8578 convert enums to strings for text output.
8579 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
8580 to be of type cgraph_inline_failed_t. Replace reason strings with
8581 enums. Call cgraph_inline_failed_string to covert enums
8582 to strings for text output.
8583 (cgraph_decide_inlining): Replace reason strings with enums.
8584 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
8585 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
8586 for text output.
8587 * tree-inline.c (expand_call_inline): Change type of REASON
8588 to cgraph_inline_failed_t. Replace reason strings with enums.
8589 Call cgraph_inline_failed_string for text output.
8590 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
8591 (cgraph.o): Ditto.
8592
8593 2009-03-28 Jan Hubicka <jh@suse.cz>
8594
8595 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
8596 cgraph_clone_node): Remove master clone handling.
8597 (cgraph_is_master_clone, cgraph_master_clone): Remove.
8598 * cgraph.h (master_clone): Remove.
8599 (cgraph_is_master_clone, cgraph_master_clone): Remove.
8600 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
8601 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
8602
8603 2009-03-28 Jan Hubicka <jh@suse.cz>
8604
8605 * cgraph.c (cgraph_function_body_availability): Functions declared
8606 inline are always safe to assume that it is not going to be replaced.
8607
8608 2009-03-28 Richard Guenther <rguenther@suse.de>
8609
8610 PR tree-optimization/38513
8611 * tree-ssa-pre.c (eliminate): Remove redundant stores.
8612 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
8613 EXC_PTR_EXPR and FILTER_EXPR.
8614 (get_ref_from_reference_ops): Likewise.
8615
8616 2009-03-28 Richard Guenther <rguenther@suse.de>
8617
8618 PR tree-optimization/38968
8619 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
8620 Use FLOOR_MOD_EXPR to compute misalignment.
8621
8622 2009-03-28 Richard Guenther <rguenther@suse.de>
8623
8624 PR tree-optimization/37795
8625 * tree.h (combine_comparisons): Declare.
8626 * fold-const.c (combine_comparisons): Export.
8627 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
8628 comparisons.
8629 (ifcombine_iforif): Use combine_comparisons.
8630
8631 2009-03-28 Jan Hubicka <jh@suse.cz>
8632
8633 * tree-eh.c (inlinable_call_p): New function.
8634 (make_eh_edges): Use it.
8635 (verify_eh_edges): Use it.
8636 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
8637 * except.c (reachable_next_level): Add inlinable_function argument
8638 (sjlj_find_directly_reachable_regions): Update.
8639 (add_reachable_handler): Do not set saw_any_handlers.
8640 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
8641 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
8642 Add new inlinable call parameter.
8643 (can_throw_internal, can_throw_external): Update.
8644 * except.h (can_throw_internal_1, can_throw_external_1,
8645 foreach_reachable_handler): Update declaration.
8646
8647 2009-03-28 Joseph Myers <joseph@codesourcery.com>
8648
8649 * config/arm/t-arm-coff, config/h8300/coff.h,
8650 config/i386/i386-aout.h, config/i386/i386-coff.h,
8651 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
8652 config/pdp11/2bsd.h, config/rs6000/aix41.h,
8653 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
8654 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
8655 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
8656 sys-types.h: Remove.
8657 * Makefile.in: Remove protoize and fixproto support and references
8658 in comments.
8659 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
8660 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
8661 Remove.
8662 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
8663 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
8664 unprotoize$(exeext).
8665 (rest.encap): Don't depend on $(STMP_FIXPROTO)
8666 (.PHONY): Don't depend on proto.
8667 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
8668 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
8669 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
8670 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
8671 build/gen-protos.o, build/scan.o, xsys-protos.h,
8672 build/fix-header$(build_exeext), build/fix-header.o,
8673 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
8674 stmp-install-fixproto): Remove.
8675 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
8676 SYSCALLS.c or fixproto files.
8677 (install-common): Don't install protoize.
8678 (install-headers-tar, install-headers-cpio, install-headers-cp):
8679 Don't depend on $(STMP_FIXPROTO).
8680 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
8681 install fixproto files or write out fixproto settings.
8682 (uninstall): Don't uninstall protoize.
8683 * config.gcc (use_fixproto): Remove.
8684 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
8685 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
8686 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
8687 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
8688 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
8689 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
8690 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
8691 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
8692 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
8693 * config/t-vxworks (STMP_FIXPROTO): Remove.
8694 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
8695 STMP_FIXPROTO): Remove.
8696 * config.in, configure: Regenerate.
8697 * crtstuff.c (gid_t, uid_t): Don't undefine.
8698 * doc/install.texi: Change m68k-coff to m68k-elf in example.
8699 (arm-*-coff, arm-*-aout: Remove target entries.
8700 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
8701 Remove mention of AIX 4.1.
8702 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
8703 * doc/invoke.texi (Running Protoize): Remove.
8704 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
8705 (Protoize Caveats): Remove.
8706 * tsystem.h: Update comments on headers assumed to exist.
8707
8708 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
8709
8710 * genautomata.c: Add a new year to the copyright. Add a new
8711 reference.
8712 (struct insn_reserv_decl): Add comments for member bypass_list.
8713 (find_bypass): Remove.
8714 (insert_bypass): New.
8715 (process_decls): Use insert_bypass.
8716 (output_internal_insn_latency_func): Output all bypasses with the
8717 same input insn in one switch case.
8718
8719 * rtl.def (define_bypass): Describe bypass choice.
8720 * doc/md.texi (define_bypass): Ditto.
8721
8722 2009-03-27 Richard Guenther <rguenther@suse.de>
8723
8724 * gimplify.c (mark_addressable): Export.
8725 * tree-flow.h (mark_addressable): Declare.
8726 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
8727 * tree-ssa.c (verify_phi_args): Verify that address taken
8728 variables have TREE_ADDRESSABLE set.
8729
8730 2009-03-27 Richard Guenther <rguenther@suse.de>
8731
8732 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
8733 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
8734 Do not mark decls TREE_ADDRESSABLE.
8735 (build_fold_addr_expr): Adjust.
8736 (fold_addr_expr): Remove.
8737 (fold_unary): Use build_fold_addr_expr.
8738 (fold_comparison): Likewise.
8739 (split_address_to_core_and_offset): Likewise.
8740 * coverage.c (tree_coverage_counter_addr): Mark the array decl
8741 TREE_ADDRESSABLE.
8742 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
8743 (gimplify_modify_expr_to_memcpy): Mark source and destination
8744 addressable.
8745 * omp-low.c (create_omp_child_function): Mark the object decl
8746 TREE_ADDRESSABLE.
8747 (lower_rec_input_clauses): Mark the var we take the address of
8748 TREE_ADDRESSABLE.
8749 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
8750
8751 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
8752
8753 PR middle-end/39315
8754 * cfgexpand.c (expand_one_stack_var_at): Change alignment
8755 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
8756
8757 2009-03-27 Richard Guenther <rguenther@suse.de>
8758
8759 PR tree-optimization/39120
8760 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
8761 constraints.
8762 (handle_lhs_call): Process return constraints. Add escape
8763 constraints if necessary.
8764 (handle_const_call): Fill out return constraints. Make nested
8765 case more precise. Avoid consttmp if possible.
8766 (handle_pure_call): Fill out return constraints. Avoid
8767 callused if possible.
8768 (find_func_aliases): Simplify call handling.
8769
8770 2009-03-27 Richard Guenther <rguenther@suse.de>
8771
8772 PR tree-optimization/39120
8773 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
8774 as a representative.
8775 (solve_graph): Do propagate CALLUSED.
8776 (handle_pure_call): Use a scalar constraint from CALLUSED for
8777 the return value.
8778 (find_what_p_points_to): CALLUSED shall not appear in poins-to
8779 solutions.
8780
8781 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
8782
8783 PR c/39323
8784 * c-common.c (handle_aligned_attribute): Properly check alignment
8785 overflow. Use (1U << i) instead of (1 << i).
8786
8787 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
8788
8789 * expr.h (get_mem_align_offset): Updated.
8790
8791 * tree.h (tree_decl_common): Change align to "unsigned int" and
8792 move it before pointer_alias_set.
8793
8794 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
8795 Jakub Jelinek <jakub@redhat.com>
8796
8797 PR target/38034
8798 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
8799 gr_register_operand with gr_reg_or_0_operand.
8800 (cmpxchg_rel_di): Likewise.
8801 (sync_lock_test_and_set<mode>): Likewise.
8802
8803 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
8804
8805 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
8806 (true_regnum): Likewise.
8807
8808 * rtlanal.c (subreg_info): Moved to ...
8809 * rtl.h (subreg_info): Here. New.
8810 (subreg_get_info): New.
8811
8812 * rtlanal.c (subreg_get_info): Make it extern.
8813
8814 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
8815
8816 PR target/39472
8817 * config/i386/i386.c (ix86_abi): New.
8818 (override_options): Handle -mabi=.
8819 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
8820 (ix86_call_abi_override): Likewise.
8821 (init_cumulative_args): Likewise.
8822 (function_arg_advance): Likewise.
8823 (function_arg_64): Likewise.
8824 (function_arg): Likewise.
8825 (ix86_pass_by_reference): Likewise.
8826 (ix86_function_value_regno_p): Likewise.
8827 (ix86_build_builtin_va_list_abi): Likewise.
8828 (setup_incoming_varargs_64): Likewise.
8829 (is_va_list_char_pointer): Likewise.
8830 (ix86_init_machine_status): Likewise.
8831 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
8832 (ix86_function_type_abi): Return enum calling_abi. Rewrite
8833 for 64bit. Replace DEFAULT_ABI with ix86_abi.
8834 (ix86_function_abi): Make it static and return enum calling_abi.
8835 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
8836 with ix86_abi.
8837 (ix86_fn_abi_va_list): Updated.
8838
8839 * config/i386/i386.h (ix86_abi): New.
8840 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
8841 (CONDITIONAL_REGISTER_USAGE): Likewise.
8842 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
8843 (machine_function): Likewise.
8844
8845 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
8846 with ix86_abi.
8847 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
8848 (STACK_BOUNDARY): Likewise.
8849 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
8850
8851 * config/i386/i386.opt (mabi=): New.
8852
8853 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
8854 return enum calling_abi.
8855 (ix86_function_type_abi): Likewise.
8856 (ix86_function_abi): Removed.
8857
8858 * doc/invoke.texi: Document -mabi= option for x86.
8859
8860 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8861
8862 * builtins.c (real_dconstp): Delete.
8863 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
8864
8865 2009-03-27 Dodji Seketeli <dodji@redhat.com>
8866 Jakub Jelinek <jakub@redhat.com>
8867
8868 PR debug/37959
8869 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
8870 (gen_subprogram_die): When a function is explicit, generate the
8871 DW_AT_explicit attribute.
8872 * langhooks.h (struct lang_hooks_for_decls): Add
8873 function_decl_explicit_p langhook.
8874 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
8875 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
8876
8877 2009-03-27 Jakub Jelinek <jakub@redhat.com>
8878
8879 * builtins.c (fold_builtin_memory_op): Optimize memmove
8880 into memcpy if we can prove source and destination don't overlap.
8881
8882 * tree-inline.c: Include gt-tree-inline.h.
8883 (clone_fn_id_num): New variable.
8884 (clone_function_name): New function.
8885 (tree_function_versioning): Use it.
8886 * Makefile.in (GTFILES): Add tree-inline.c.
8887
8888 2009-03-27 Mark Mitchell <mark@codesourcery.com>
8889
8890 * BASE-VER: Change to 4.5.0.
8891
8892 2009-03-27 Xinliang David Li <davidxl@google.com>
8893
8894 PR tree-optimization/39557
8895 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
8896
8897 2009-03-27 Xinliang David Li <davidxl@google.com>
8898
8899 PR tree-optimization/39548
8900 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
8901 candidate check.
8902
8903 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
8904
8905 * c-common.c (pointer_int_sum): Use %wd on return from
8906 tree_low_cst.
8907
8908 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
8909
8910 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
8911 on return from tree_low_cst.
8912
8913 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
8914
8915 PR c++/36799
8916 * ginclude/stdarg.h (va_copy): Define also for
8917 __GXX_EXPERIMENTAL_CXX0X__.
8918
8919 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8920
8921 PR c++/35652
8922 * builtins.h (c_strlen): Do not warn here.
8923 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
8924 * c-common.c (pointer_int_sum): Take an explicit location.
8925 Warn about offsets out of bounds.
8926 * c-common.h (pointer_int_sum): Adjust declaration.
8927
8928 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8929
8930 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
8931 markup glitch.
8932
8933 2009-03-26 Jakub Jelinek <jakub@redhat.com>
8934
8935 PR c++/39554
8936 * opts.c (warn_if_disallowed_function_p): Don't assume
8937 get_callee_fndecl must return non-NULL.
8938
8939 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
8940
8941 PR rtl-optimization/39522
8942 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
8943 when reg_reloaded_valid is set.
8944
8945 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
8946
8947 * config/spu/divv2df3.c: New file.
8948 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
8949 (DPBIT_FUNCS): Filter out _div_df.
8950
8951 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
8952
8953 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
8954 a jump insn, count that jump in the distance to the loop start.
8955
8956 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
8957
8958 PR target/39523
8959 * config/sh/sh.c (calc_live_regs): Fix condition for global
8960 registers except PIC_OFFSET_TABLE_REGNUM.
8961
8962 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
8963
8964 PR/39518
8965 * doc/invoke.texi (-mconsole): New.
8966 (-mcygwin): New.
8967 (-mno-cygwin): New.
8968 (-mdll): New.
8969 (-mnop-fun-dllimport): New.
8970 (-mthread): New.
8971 (-mwin32): New.
8972 (-mwindows): New.
8973 (sub section "i386 and x86-64 Windows Options"): New.
8974
8975 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
8976
8977 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
8978 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
8979
8980 2009-03-25 Richard Guenther <rguenther@suse.de>
8981
8982 PR middle-end/39497
8983 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
8984 of -Wno-error.
8985
8986 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
8987
8988 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
8989 neither of haifa/selective schedulers are working.
8990
8991 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8992
8993 * doc/invoke.texi (Debugging Options): Fix description of
8994 -fno-merge-debug-strings.
8995
8996 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
8997
8998 * config/cris/libgcc.ver: New version-script.
8999 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
9000
9001 * configure.ac <GAS features, nop mnemonic>: Add pattern
9002 crisv32-*-* for "nop".
9003 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
9004 * configure: Regenerate.
9005
9006 2009-03-24 Ira Rosen <irar@il.ibm.com>
9007
9008 PR tree-optimization/39529
9009 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
9010 mark_sym_for_renaming for the tag copied to the new vector
9011 pointer.
9012
9013 2009-03-24 Arthur Loiret <aloiret@debian.org>
9014
9015 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
9016 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
9017 EXTRA_SPEC_FUNCTIONS.
9018 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
9019 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
9020 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
9021 -march and -mtune options.
9022
9023 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
9024
9025 * config/m68k/t-rtems: Add m5329 multilib.
9026
9027 2009-03-24 Dodji Seketeli <dodji@redhat.com>
9028 Jakub Jelinek <jakub@redhat.com>
9029
9030 PR debug/39524
9031 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
9032 nodes.
9033
9034 2009-03-23 Jakub Jelinek <jakub@redhat.com>
9035
9036 PR c/39495
9037 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
9038 instead of c_parser_expression_conv, if original_code isn't one of the
9039 4 allowed comparison codes, fail.
9040
9041 2009-03-23 Richard Guenther <rguenther@suse.de>
9042
9043 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
9044 * tree.h (struct tree_type): Likewise.
9045 * reload.h (struct insn_chain): Likewise.
9046 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
9047 * function.h (struct function): Likewise.
9048 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
9049
9050 2009-03-23 Jakub Jelinek <jakub@redhat.com>
9051
9052 PR tree-optimization/39516
9053 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
9054
9055 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
9056
9057 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
9058 should be set true if BITS_PER_WORD of target is bigger than 32
9059
9060 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
9061
9062 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
9063 Translate -B-options to -rpath-link. Correct existing
9064 rpath-link and conditionalize on !nostdlib.
9065
9066 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9067
9068 * doc/extend.texi (Function Attributes, Variable Attributes):
9069 Fix typos.
9070 * doc/invoke.texi (Debugging Options, Optimize Options)
9071 (i386 and x86-64 Options, MCore Options): Likewise.
9072
9073 2009-03-20 Jakub Jelinek <jakub@redhat.com>
9074
9075 PR debug/37890
9076 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
9077 it for block local namespace aliases.
9078 (gen_decl_die): Pass context_die to gen_namespace_die.
9079
9080 2009-03-19 Jakub Jelinek <jakub@redhat.com>
9081
9082 PR c/39495
9083 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
9084 minimum or maximum value.
9085
9086 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
9087
9088 * reginfo.c (globalize_reg): Recompute derived reg sets.
9089
9090 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
9091
9092 PR target/39063
9093 * libgcc2.c (mprotect): Do not use signed arguments for
9094 VirtualProtect, use DWORD arguments. Also fix the 'may
9095 be used uninitialized' warning for the np variable.
9096
9097 2009-03-19 Jakub Jelinek <jakub@redhat.com>
9098
9099 PR target/39496
9100 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
9101 functions using regparm calling conventions when not optimizing.
9102 (ix86_function_sseregparm): Similarly for sseregparm calling
9103 conventions.
9104
9105 2009-03-19 Li Feng <nemokingdom@gmail.com>
9106
9107 PR middle-end/39500
9108 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
9109 dependence if the first conflict is after niter iterations.
9110
9111 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
9112
9113 PR middle-end/38609
9114 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
9115 functions with dynamic stack-pointer adjustments.
9116
9117 2009-03-19 Ben Elliston <bje@au.ibm.com>
9118
9119 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
9120 option; change to -msdata=data.
9121
9122 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9123
9124 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
9125 and -fopenmp.
9126
9127 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
9128
9129 PR target/35180
9130 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
9131
9132 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
9133
9134 * doc/invoke.texi (Code Gen Options): Expand discussion of
9135 -fno-common.
9136
9137 2009-03-18 Jakub Jelinek <jakub@redhat.com>
9138
9139 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
9140 * matrix-reorg.c (struct matrix_info): Likewise.
9141 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
9142 * rtl.h (struct mem_attrs): Likewise.
9143 * df.h (struct df): Likewise.
9144 * tree-data-ref.h (struct data_dependence_relation): Likewise.
9145 * ira-int.h (struct ira_allocno): Likewise.
9146 * df-scan.c (struct df_collection_rec): Likewise.
9147 * ira.c (struct equivalence): Likewise.
9148 * function.c (struct temp_slot): Likewise.
9149 * cfgloop.h (struct loop): Likewise.
9150
9151 PR debug/39485
9152 * function.c (use_register_for_decl): When not optimizing, disregard
9153 register keyword for variables with types containing methods.
9154
9155 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
9156
9157 PR middle-end/39447
9158 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
9159 (is_simple_operand): Call contains_component_ref_p before calling data
9160 reference analysis that would fail on COMPONENT_REFs.
9161
9162 * tree-vrp.c (search_for_addr_array): Fix formatting.
9163
9164 2009-03-18 Richard Guenther <rguenther@suse.de>
9165
9166 * tree-vect-transform.c (vect_loop_versioning): Fold the
9167 generated comparisons.
9168 * tree-vectorizer.c (set_prologue_iterations): Likewise.
9169 (slpeel_tree_peel_loop_to_edge): Likewise.
9170
9171 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9172
9173 PR middle-end/37805
9174 * opts.c (print_specific_help): In addition to `undocumented',
9175 accept `separate' and `joined' flags if passed alone. Describe
9176 output by the first matched one of those.
9177 (common_handle_option): Skip over empty strings.
9178 * gcc.c (display_help): Fix help string for `--help='.
9179 * doc/invoke.texi (Option Summary, Overall Options): With
9180 `--help=', classes and qualifiers can both be repeated, but
9181 only the latter can be negated. One should not pass only
9182 negated qualifiers. Fix markup and examples.
9183
9184 Revert
9185 2008-10-14 Jakub Jelinek <jakub@redhat.com>
9186 PR middle-end/37805
9187 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
9188 and -fhelp=separate.
9189
9190 2009-03-17 Jing Yu <jingyu@google.com>
9191
9192 PR middle-end/39378
9193 * function.h (struct rtl_data): Move is_thunk from here...
9194 (struct function): ...to here.
9195 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
9196 * varasm.c (assemble_start_function): Change is_thunk from crtl to
9197 cfun.
9198 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
9199 cfun.
9200 (alpha_does_function_need_gp, alpha_start_function): Likewise.
9201 (alpha_output_function_end_prologue): Likewise.
9202 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
9203 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
9204 (rs6000_output_function_epilogue): Likewise.
9205 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
9206
9207 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
9208
9209 PR target/39482
9210 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
9211 from different units in a single alternative.
9212 (*truncdfsf_i387): Ditto.
9213 (*truncxfsf2_mixed): Ditto.
9214 (*truncxfdf2_mixed): Ditto.
9215
9216 2009-03-17 Jakub Jelinek <jakub@redhat.com>
9217
9218 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
9219 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
9220
9221 PR debug/39474
9222 * tree-ssa-live.c (remove_unused_locals): Don't remove local
9223 unused non-artificial variables when not optimizing.
9224
9225 PR debug/39471
9226 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
9227 DW_TAG_imported_module even if decl is IMPORTED_DECL with
9228 NAMESPACE_DECL in its DECL_INITIAL.
9229
9230 PR middle-end/39443
9231 * optabs.c (set_user_assembler_libfunc): New function.
9232 * expr.h (set_user_assembler_libfunc): New prototype.
9233 * c-common.c: Include libfuncs.h.
9234 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
9235 for memcmp, memset, memcpy, memmove and abort.
9236 * Makefile.in (c-common.o): Depend on libfuncs.h.
9237
9238 PR debug/39412
9239 * dwarf2out.c (gen_inlined_enumeration_type_die,
9240 gen_inlined_structure_type_die, gen_inlined_union_type_die,
9241 gen_tagged_type_instantiation_die): Removed.
9242 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
9243 do nothing.
9244
9245 2009-03-17 Janis Johnson <janis187@us.ibm.com>
9246
9247 PR testsuite/38526
9248 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
9249 its use.
9250 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
9251 (check-parallel-%): Ditto.
9252 (check-consistency): Ditto.
9253
9254 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
9255
9256 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
9257 local variable rhs by NULL_TREE.
9258
9259 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
9260
9261 PR target/39477
9262 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
9263
9264 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
9265
9266 PR target/39476
9267 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
9268
9269 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
9270
9271 PR target/39473
9272 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
9273 for ms->sysv ABI calls only in 64bit mode.
9274
9275 * config/i386/i386.md (untyped_call): Support 32bit.
9276
9277 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
9278
9279 * doc/extend.texi: Replace x86_65 with x86_64.
9280
9281 2009-03-16 Jakub Jelinek <jakub@redhat.com>
9282
9283 PR tree-optimization/39455
9284 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
9285 mismatches for POINTER_TYPE_P (type).
9286 (number_of_iterations_le): Likewise.
9287
9288 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
9289
9290 * config/picochip/picochip.c: Removed profiling support.
9291 * config/picochip/picochip.md: Removed profiling instruction.
9292 * config/picochip/picochip.h: Removed profiling builtin.
9293
9294 2009-03-16 Joseph Myers <joseph@codesourcery.com>
9295
9296 * doc/install.texi (--with-host-libstdcxx): Document.
9297
9298 2009-03-14 Anatoly Sokolov <aesok@post.ru>
9299
9300 PR target/34299
9301 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
9302 generate a warning if the function name does not begin with
9303 "__vector" and the function has either the 'signal' or 'interrupt'
9304 attribute, from here to ...
9305 (avr_declare_function_name): ...here. New function.
9306 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
9307 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
9308
9309 2009-03-14 Jakub Jelinek <jakub@redhat.com>
9310
9311 PR bootstrap/39454
9312 * cse.c (fold_rtx): Don't modify original const_arg1 when
9313 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
9314 separate variable instead.
9315 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
9316 from out of range shift counts.
9317 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
9318
9319 2009-03-13 Catherine Moore <clm@codesourcery.com>
9320
9321 * config/i386/x-mingw32 (host-mingw32.o): Replace
9322 diagnostic.h with $(DIAGNOSTIC_H).
9323
9324 2009-03-12 Jakub Jelinek <jakub@redhat.com>
9325
9326 PR target/39431
9327 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
9328 predicate.
9329 * config/i386/sync.md (sync_compare_and_swap<mode>,
9330 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
9331 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
9332 into a register.
9333 (sync_double_compare_and_swapdi_pic,
9334 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
9335 cmpxchg8b_pic_memory_operand instead of just memory_operand.
9336
9337 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
9338
9339 PR target/39445
9340 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
9341
9342 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
9343
9344 PR target/39327
9345 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9346 (avx_addsubv4df3): Likewise.
9347 (*avx_addsubv4sf3): Likewise.
9348 (sse3_addsubv4sf3): Likewise.
9349
9350 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
9351
9352 PR target/38824
9353 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
9354
9355 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
9356
9357 PR debug/39432
9358 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
9359 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
9360 registers for allocnos created from user-defined variables.
9361
9362 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
9363
9364 PR target/39181
9365 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
9366 of non-integer mode as well.
9367
9368 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
9369
9370 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
9371 for functions for which the parameter types are unknown.
9372
9373 2009-03-11 Jakub Jelinek <jakub@redhat.com>
9374
9375 PR target/39137
9376 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
9377 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
9378 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
9379 * config/i386/i386.c (ix86_local_alignment): For
9380 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
9381 long long variables on the stack to avoid dynamic realignment.
9382 Allow the first argument to be a decl rather than type.
9383 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
9384
9385 2009-03-11 Nick Clifton <nickc@redhat.com>
9386
9387 PR target/5362
9388 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
9389 options.
9390 Add description to mno-lsim option.
9391 * config/mcore/mcore.h: Remove comment about deprecated m4align
9392 option.
9393 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
9394 * doc/invoke.texi: Add description of mno-lsim and
9395 mstack-increment options.
9396
9397 * config/fr30/fr30.opt: Document the -mno-lsim option.
9398 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
9399 and -mno-lsim options.
9400
9401 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
9402
9403 * fold-const.c (fold_comparison): Only call fold_inf_compare
9404 if the mode supports infinities.
9405
9406 2009-03-11 Jason Merrill <jason@redhat.com>
9407
9408 PR debug/39086
9409 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
9410 end already did. Notice GIMPLE_CALL modifications of the result.
9411 Don't copy debug information from an ignored decl or a decl from
9412 another function.
9413
9414 2009-03-10 Richard Guenther <rguenther@suse.de>
9415 Nathan Froyd <froydnj@codesourcery.com>
9416
9417 PR middle-end/37850
9418 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
9419 (__divMODE3): Likewise.
9420
9421 2009-03-09 Jakub Jelinek <jakub@redhat.com>
9422
9423 PR tree-optimization/39394
9424 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
9425 DECL_SIZE_UNIT of variable length FIELD_DECLs.
9426
9427 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
9428
9429 * recog.c (verfiy_changes): Disallow renaming of hard regs in
9430 inline asms for register asm ("") declarations.
9431
9432 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
9433
9434 * fold-const.c (fold_unary): Fix comment.
9435
9436 2009-03-07 Jan Hubicka <jh@suse.cz>
9437
9438 PR target/39361
9439 * tree-inline.c (setup_one_parameter): Do replacement of const
9440 argument by constant in SSA form.
9441
9442 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
9443
9444 PR middle-end/38028
9445 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
9446 determine alignment passed to assign_stack_local.
9447 (assign_parms_unsplit_complex): Likewise.
9448 * except.c (sjlj_build_landing_pads): Likewise.
9449
9450 2009-03-06 Jakub Jelinek <jakub@redhat.com>
9451
9452 PR middle-end/39360
9453 * tree-flow.h (add_referenced_var): Return bool instead of void.
9454 * tree-dfa.c (add_referenced_var): Return result of
9455 referenced_var_check_and_insert call.
9456 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
9457 of referenced_var_check_and_insert.
9458
9459 PR debug/39372
9460 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
9461 (gen_variable_die): Emit DW_AT_location on abstract static variable's
9462 DIE, don't emit it if abstract origin already has it.
9463 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
9464 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
9465
9466 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9467
9468 * genpreds.c (needs_variable): Fix parentheses at variable name
9469 detection.
9470 (write_tm_constrs_h): Indent generated code.
9471
9472 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
9473
9474 * doc/extend.texi (Function Attributes): Add documentation
9475 for isr attributes.
9476
9477 2009-03-06 Jakub Jelinek <jakub@redhat.com>
9478
9479 PR debug/39387
9480 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
9481 take locus from its DECL_SOURCE_LOCATION instead of input_location.
9482
9483 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
9484
9485 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
9486 the loop as bad.
9487
9488 2009-03-05 Jakub Jelinek <jakub@redhat.com>
9489
9490 PR debug/39379
9491 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
9492 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
9493
9494 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
9495
9496 * config/i386/i386.md (R8_REG, R9_REG): New constants.
9497 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
9498 constants instead of magic numbers.
9499 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
9500 (QI_REG_P): Ditto.
9501 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
9502 (x86_64_ms_abi_int_parameter_registers): Ditto.
9503 (x86_64_int_return_registers): Ditto.
9504 (ix86_maybe_switch_abi): Ditto.
9505 (ix86_expand_call): Ditto for clobbered_registers array.
9506 (ix86_hard_regno_mode_ok): Ditto.
9507 (x86_extended_QIreg_mentioned_p): Ditto.
9508
9509 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
9510
9511 PR tree-optimization/39349
9512 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
9513
9514 * combine.c (gen_lowpart_for_combine): Use omode when generating
9515 clobber.
9516
9517 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
9518
9519 PR rtl-optimization/39235
9520 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
9521
9522 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
9523
9524 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
9525
9526 2009-03-04 Richard Guenther <rguenther@suse.de>
9527
9528 PR tree-optimization/39362
9529 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9530 that occur in abnormal PHIs should be varying.
9531
9532 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
9533
9534 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
9535 Extend comments.
9536 (simple_iv): Take loop as an argument instead of statement.
9537 * tree-scalar-evolution.h (simple_iv): Declaration changed.
9538 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
9539 to simple_iv.
9540 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
9541 Ditto.
9542 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
9543 * matrix-reorg.c (analyze_transpose): Ditto.
9544 * tree-data-ref.c (dr_analyze_innermost): Ditto.
9545 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9546 * tree-predcom.c (ref_at_iteration): Ditto.
9547 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
9548
9549 2009-03-04 Richard Guenther <rguenther@suse.de>
9550
9551 PR tree-optimization/39358
9552 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
9553 escaped_id and callused_id.
9554 (solve_graph): Likewise.
9555
9556 2009-03-04 Richard Guenther <rguenther@suse.de>
9557
9558 PR tree-optimization/39339
9559 * tree-sra.c (try_instantiate_multiple_fields): Make it
9560 no longer ICE on the above.
9561
9562 2009-03-03 Joseph Myers <joseph@codesourcery.com>
9563
9564 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
9565 that fits within Pmode.
9566
9567 2009-03-03 Steve Ellcey <sje@cup.hp.com>
9568
9569 PR middle-end/10109
9570 * tm.texi (LIBCALL_VALUE): Update description.
9571
9572 2009-03-03 Steve Ellcey <sje@cup.hp.com>
9573
9574 PR middle-end/34443
9575 * doc/extend.texi (section): Update description.
9576
9577 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
9578
9579 PR middle-end/39345
9580 * tree-inline.c (remapped_type): New.
9581 (can_be_nonlocal): Call remapped_type instead of remap_type.
9582
9583 2009-03-03 Jakub Jelinek <jakub@redhat.com>
9584
9585 PR fortran/39354
9586 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
9587 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
9588
9589 2009-03-03 Richard Guenther <rguenther@suse.de>
9590
9591 PR middle-end/39272
9592 * tree.c (tree_nonartificial_location): New function.
9593 * tree.h (tree_nonartificial_location): Declare.
9594 * builtins.c (expand_builtin_memory_chk): Provide location
9595 of the call location for artificial function pieces.
9596 (maybe_emit_chk_warning): Likewise.
9597 (maybe_emit_sprintf_chk_warning): Likewise.
9598 (maybe_emit_free_warning): Likewise.
9599 * expr.c (expand_expr_real_1): Likewise.
9600
9601 2009-03-03 Jakub Jelinek <jakub@redhat.com>
9602
9603 PR tree-optimization/39343
9604 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
9605 COMPONENT_REF t has ARRAY_TYPE.
9606
9607 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
9608
9609 PR middle-end/39335
9610 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
9611 when the type precision of the induction variable should be
9612 larger than the type precision of nit.
9613 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
9614 * graphite.c (graphite_loop_normal_form): Same.
9615 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
9616
9617 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
9618
9619 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
9620 (*call_1_rex64_ms_sysv): Use named constants instead of magic
9621 numbers to describe clobbered registers.
9622 (*call_value_0_rex64_ms_sysv): Ditto.
9623 * config/i386/mmx.md (mmx_emms): Ditto.
9624 (mmx_femms): Ditto.
9625
9626 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
9627
9628 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
9629 of ABI_64.
9630
9631 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
9632
9633 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
9634 (spu_section_type_flags): New function.
9635
9636 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
9637
9638 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
9639 reg_class_contents of FLOAT_REGS into a temporary.
9640
9641 2009-03-02 Richard Guenther <rguenther@suse.de>
9642 Ira Rosen <irar@il.ibm.com>
9643
9644 PR tree-optimization/39318
9645 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
9646 information to the vectorized statement.
9647
9648 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
9649
9650 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
9651 variable. Use defined names instead of magic constants for REX SSE
9652 registers.
9653
9654 2009-03-01 Richard Guenther <rguenther@suse.de>
9655
9656 PR tree-optimization/39331
9657 * omp-low.c (lower_send_shared_vars): Do not receive new
9658 values for the reference of DECL_BY_REFERENCE parms or results.
9659
9660 2009-03-01 Jan Hubicka <jh@suse.cz>
9661
9662 PR debug/39267
9663 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
9664 BLOCK_NONLOCALIZED_VAR): New macros.
9665 (tree_block): Add nonlocalized_vars.
9666 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
9667 gen_decl_die): Add origin argument. Allow generation of die with
9668 origin at hand only.
9669 (gen_member_die, gen_type_die_with_usage, force_decl_die,
9670 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
9671 of gen_*.
9672 (gen_block_die): Fix checking for unused blocks.
9673 (process_scope_var): Break out from .... ; work with origins only.
9674 (decls_for_scope) ... here; process nonlocalized list.
9675 (dwarf2out_ignore_block): Look for nonlocalized vars.
9676 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
9677 vars.
9678 (dump_scope_block): Dump them.
9679 * tree-inline.c (remap_decls): Handle nonlocalized vars.
9680 (remap_block): Likewise.
9681 (can_be_nonlocal): New predicate.
9682 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
9683
9684 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9685
9686 * configure: Regenerate.
9687
9688 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9689
9690 * optc-gen.awk: No need to duplicate option flags twice.
9691 Reuse help texts for duplicate options which do not have any.
9692
9693 * gcc.c (display_help): Document --version.
9694
9695 * gcc.c (main): If print_help_list and verbose_flag, ensure
9696 driver output comes before subprocess output.
9697
9698 * optc-gen.awk: Assign all remaining fields to help string,
9699 space-separated, for multi-line help in *.opt.
9700
9701 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
9702 -Wno-pedantic-ms-format is for MinGW targets only.
9703
9704 * doc/options.texi (Option file format): Fix bad indentation,
9705 restoring dropped sentence.
9706
9707 2009-02-28 Jan Hubicka <jh@suse.cz>
9708
9709 * tree-inline.c (tree_function_versioning): Output debug info.
9710
9711 2009-02-28 Jan Hubicka <jh@suse.cz>
9712
9713 PR debug/39267
9714 * tree-inline.c (setup_one_parameter): Do not copy propagate
9715 arguments when not optimizing.
9716
9717 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
9718
9719 PR target/39327
9720 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
9721 (avx_addsubv4df3): Likewise.
9722 (*avx_addsubv4sf3): Likewise.
9723 (sse3_addsubv4sf3): Likewise.
9724 (*avx_addsubv2df3): Likewise.
9725 (sse3_addsubv2df3): Likewise.
9726 (avx_unpckhps256): Correct item selectors.
9727 (avx_unpcklps256): Likewise.
9728 (avx_unpckhpd256): Likewise.
9729 (avx_unpcklpd256): Likewise.
9730
9731 2009-02-28 Jan Hubicka <jh@suse.cz>
9732
9733 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
9734 static vars.
9735 (copy_arguments_for_versioning): If var is declared don't declare it.
9736 (tree_function_versioning): First setup substitutions and then copy
9737 args.
9738
9739 2009-02-27 Jan Hubicka <jh@suse.cz>
9740
9741 PR debug/39267
9742 * cgraph.h (varpool_output_debug_info): Remove.
9743 * cgraphunit.c (varpool_output_debug_info): Remove.
9744 * dwarf2out.c (deferred_locations_struct): New struct
9745 (deferred_locations): New type.
9746 (deferred_locations_list): New static var.
9747 (deffer_location): New function.
9748 (gen_variable_die): Use it.
9749 (decls_for_scope): Output info on local static vars.
9750 (dwarf2out_finish): Process deferred locations.
9751 * varpool.c (varpool_output_debug_info): Remove.
9752
9753 2009-02-27 Jan Hubicka <jh@suse.cz>
9754
9755 PR debug/39267
9756 * tree.h (TREE_PROTECTED): Fix comment.
9757 (BLOCK_HANDLER_BLOCK): Remove.
9758 (struct tree_block): Remove handler_block add body_block.
9759 (inlined_function_outer_scope_p): New.
9760 (is_body_block): Remove.
9761 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
9762 * dwarf2out.c (is_inlined_entry_point): Remove.
9763 (add_high_low_attributes): Use inlined_function_outer_scope_p.
9764 (gen_block_die): Use is_inlined_entry_point check. Remove body block
9765 code.
9766 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
9767 * gimplify.c (gimplify_expr): Gimplify body blocks.
9768 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
9769 block with multiple subblocks.
9770 (dump_scope_block): Prettier output; dump more flags and info.
9771 (dump_scope_blocks): New.
9772 (remove_unused_locals): Use dump_scope_blocks.
9773 * tree-flow.h (dump_scope_blocks): Declare.
9774 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
9775 * stmt.c (is_body_block): Remove.
9776 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
9777 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
9778
9779 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
9780
9781 PR middle-end/39308
9782 * graphite.c (graphite_loop_normal_form): Do not call
9783 number_of_iterations_exit from a gcc_assert.
9784
9785 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
9786
9787 * config/s390/s390.c (s390_swap_cmp): Look for conditional
9788 jumps if COND is NULL.
9789 (find_cond_jump): New function.
9790 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
9791 * config/s390/s390.md: Remove z10_cobra attribute value.
9792
9793 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
9794
9795 * config/alpha/alpha.h (alpha_expand_mov): Return false if
9796 force_const_mem returns NULL_RTX.
9797
9798 2009-02-26 Jan Hubicka <jh@suse.cz>
9799
9800 PR debug/39267
9801 * cgraph.h (varpool_output_debug_info): Remove.
9802 * cgraphunit.c (varpool_output_debug_info): Remove.
9803 * dwarf2out.c (deferred_locations_struct): New struct
9804 (deferred_locations): New type.
9805 (deferred_locations_list): New static var.
9806 (deffer_location): New function.
9807 (gen_variable_die): Use it.
9808 (decls_for_scope): Output info on local static vars.
9809 (dwarf2out_finish): Process deferred locations.
9810 * varpool.c (varpool_output_debug_info): Remove.
9811
9812 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
9813
9814 PR rtl-optimization/39241
9815 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
9816 to subreg_offset_representable_p.
9817
9818 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
9819
9820 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
9821 execute function prototype. Get f and nregs from max_reg_num
9822 and get_insns. Remove the first backward pass as it's dead,
9823 guard the forward pass by flag_expensive_optimizations.
9824 (rest_of_handle_regmove): Delete.
9825 (pass_regmove): Replace it with regmove_optimize.
9826
9827 2009-02-25 Martin Jambor <mjambor@suse.cz>
9828
9829 PR tree-optimization/39259
9830 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
9831 calls_alloca function flags.
9832 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
9833 calls are detected.
9834
9835 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
9836
9837 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
9838 flags_set_1_rtx, flags_set_1_set): Delete.
9839 (regmove_optimize): Do not call mark_flags_life_zones.
9840
9841 2009-02-24 Julian Brown <julian@codesourcery.com>
9842
9843 PR target/35965
9844 * config/arm/arm.c (require_pic_register): Only set
9845 cfun->machine->pic_reg once per function.
9846
9847 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
9848
9849 * doc/invoke.texi (Link Options): Document an easier way to pass
9850 options that take arguments to the GNU linker using -Xlinker and -Wl.
9851
9852 2009-02-24 Steve Ellcey <sje@cup.hp.com>
9853
9854 PR target/33785
9855 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
9856
9857 2009-02-24 Richard Guenther <rguenther@suse.de>
9858
9859 PR debug/39285
9860 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
9861
9862 2009-02-24 Richard Guenther <rguenther@suse.de>
9863 Zdenek Dvorak <ook@ucw.cz>
9864
9865 PR tree-optimization/39233
9866 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
9867 from converting them to a generic type.
9868
9869 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
9870
9871 PR tree-optimization/39260
9872 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
9873 contains a condition with a real type.
9874 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
9875
9876 2009-02-23 Jason Merrill <jason@redhat.com>
9877
9878 PR c++/38880
9879 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
9880 narrowing_initializer_constant_valid_p.
9881 (narrowing_initializer_constant_valid_p): Don't return
9882 null_pointer_node for adding a pointer to itself.
9883
9884 2009-02-23 Jan Hubicka <jh@suse.cz>
9885
9886 PR c/12245
9887 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
9888 resizing.
9889
9890 2009-02-23 Jan Hubicka <jh@suse.cz>
9891
9892 PR tree-optimization/37709
9893 * tree.c (block_ultimate_origin): Move here from dwarf2out.
9894 * tree.h (block_ultimate_origin): Declare.
9895 * dwarf2out.c (block_ultimate_origin): Move to tree.c
9896 * tree-ssa-live.c (remove_unused_scope_block_p):
9897 Eliminate blocks containig no instructions nor live variables nor
9898 nested blocks.
9899 (dump_scope_block): New function.
9900 (remove_unused_locals): Enable removal of dead blocks by default;
9901 enable dumping at TDF_DETAILS.
9902
9903 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
9904
9905 * config/i386/i386.c (classify_argument): Don't allow COImode
9906 and OImode.
9907 (function_arg_advance_32): Don't allow OImode.
9908 (function_arg_32): Likewise.
9909 (function_value_32): Likewise.
9910 (return_in_memory_32): Likewise.
9911 (function_arg_64): Remove OImode comment.
9912
9913 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
9914
9915 PR target/39261
9916 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
9917 ix86_expand_vector_set for V4DImode in 64bit mode only.
9918 (ix86_expand_vector_init_one_var): Likewise.
9919
9920 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
9921
9922 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
9923
9924 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
9925
9926 PR bootstrap/39257
9927 * loop-iv.c: Revert last change.
9928 * emit-rtl.c: Likewise.
9929
9930 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
9931
9932 PR target/39256
9933 * config/i386/i386.c (type_natural_mode): Remove an extra
9934 space in the warning message.
9935 (function_value_32): Handle 32-byte vector modes.
9936 (return_in_memory_32): Likewise.
9937
9938 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
9939
9940 * loop-iv.c (truncate_value): New function.
9941 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
9942 of lowpart_subreg.
9943 (lowpart_subreg): Move to...
9944 * emit-rtl.c: ...here.
9945
9946 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
9947
9948 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
9949 accidental and undocumented change at revision 140860.
9950
9951 2009-02-21 Joseph Myers <joseph@codesourcery.com>
9952
9953 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
9954 take gimple_seq * arguments.
9955 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
9956 types_compatible_p langhook.
9957
9958 2009-02-20 Mark Mitchell <mark@codesourcery.com>
9959 Joseph Myers <joseph@codesourcery.com>
9960
9961 * config/arm/arm.c (arm_builtin_va_list): New function.
9962 (arm_expand_builtin_va_start): Likewise.
9963 (arm_gimplify_va_arg_expr): Likewise.
9964 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
9965 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
9966 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
9967 (va_list_type): New variable.
9968 (arm_mangle_type): Mangle va_list_type appropriately.
9969
9970 2009-02-20 Jakub Jelinek <jakub@redhat.com>
9971
9972 PR middle-end/39157
9973 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
9974 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
9975 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
9976 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
9977 parameter to 1000 for -O1 by default.
9978 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
9979 parameter.
9980 * loop-invariant.c: Include params.h.
9981 (move_loop_invariants): Don't call move_single_loop_invariants on
9982 very large loops.
9983
9984 2009-02-20 Jaka Mocnik <jaka@xlab.si>
9985
9986 * calls.c (emit_library_call_value_1): Use slot_offset instead of
9987 offset when calculating bounds for indexing stack_usage_map. Fixes
9988 a buffer overflow with certain target setups.
9989
9990 2009-02-20 Jakub Jelinek <jakub@redhat.com>
9991
9992 PR target/39240
9993 * calls.c (expand_call): Clear try_tail_call if caller and callee
9994 disagree in promotion of function return value.
9995
9996 2009-02-19 Jakub Jelinek <jakub@redhat.com>
9997
9998 PR target/39175
9999 * c-common.c (c_determine_visibility): If visibility changed and
10000 DECL_RTL has been already set, call make_decl_rtl to update symbol
10001 flags.
10002
10003 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
10004
10005 PR c++/39188
10006 * varasm.c (assemble_variable): Don't check DECL_NAME when
10007 globalizing a variable.
10008
10009 2009-02-19 Joseph Myers <joseph@codesourcery.com>
10010
10011 PR c/38483
10012 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
10013 expression before any __builtin_trap call.
10014 * c-typeck.c (build_function_call): Convert and check function
10015 arguments before generating a call to a trap. Evaluate the
10016 function arguments before the trap.
10017
10018 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
10019
10020 PR target/39228
10021 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
10022 (UNSPEC_FXAM_MEM): New unspec.
10023 (fxam<mode>2_i387_with_temp): New insn and split pattern.
10024 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
10025 memory using fxam<mode>2_i387_with_temp to remove excess precision.
10026
10027 2009-02-19 Richard Guenther <rguenther@suse.de>
10028
10029 PR tree-optimization/39207
10030 PR tree-optimization/39074
10031 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
10032 storedanything_tree): New.
10033 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
10034 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
10035 (build_succ_graph): Add edges from STOREDANYTHING to all
10036 non-direct nodes.
10037 (init_base_vars): Initialize STOREDANYTHING.
10038 (compute_points_to_sets): Free substitution info after
10039 building the succ graph.
10040 (ipa_pta_execute): Likewise.
10041
10042 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
10043 field.
10044 (do_ds_constraint): Do not add to special var or non-pointer
10045 field solutions.
10046 (type_could_have_pointers): Split out from ...
10047 (could_have_pointers): ... here. For arrays use the element type.
10048 (create_variable_info_for): Initialize may_have_pointers.
10049 (new_var_info): Likewise.
10050 (handle_lhs_call): Make the HEAP variable unknown-sized.
10051 (intra_create_variable_infos): Use a type with pointers for
10052 PARM_NOALIAS, make it unknown-sized.
10053
10054 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
10055
10056 PR target/39224
10057 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
10058
10059 2009-02-18 Jason Merrill <jason@redhat.com>
10060
10061 PR target/39179
10062 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
10063 value if DECL_EXTERNAL.
10064 * tree-sra.c (sra_walk_gimple_assign): Likewise.
10065 * target.h (gcc_target::binds_local_p): Clarify "module".
10066 * tree.h (TREE_PUBLIC): Clarify "module".
10067
10068 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
10069
10070 PR target/38891
10071 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
10072 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
10073
10074 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
10075
10076 PR target/39082
10077 * c.opt (Wabi): Support C and ObjC.
10078 (Wpsabi): New.
10079
10080 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
10081
10082 * config/i386/i386.c (classify_argument): Warn once about the ABI
10083 change when passing union with long double.
10084
10085 * doc/invoke.texi: Update -Wabi for warning psABI changes.
10086
10087 2009-02-18 Joseph Myers <joseph@codesourcery.com>
10088
10089 PR c/35447
10090 * c-parser.c (c_parser_compound_statement): Always enter and leave
10091 a scope.
10092
10093 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10094
10095 PR target/34587
10096 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
10097
10098 2009-02-18 Jakub Jelinek <jakub@redhat.com>
10099
10100 PR tree-optimization/36922
10101 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
10102 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
10103 Likewise.
10104
10105 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
10106
10107 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
10108 to 0 for EABI64.
10109
10110 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
10111
10112 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
10113
10114 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
10115
10116 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
10117 tree sharing.
10118
10119 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
10120 Richard Sandiford <rdsandiford@googlemail.com>
10121
10122 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
10123 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
10124 (loongson_biadd): ...this.
10125
10126 2009-02-17 Richard Guenther <rguenther@suse.de>
10127
10128 PR tree-optimization/39202
10129 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
10130 a var make sure to follow existing collapses.
10131
10132 2009-02-17 Richard Guenther <rguenther@suse.de>
10133
10134 PR middle-end/39214
10135 * langhooks.c (lhd_print_error_function): Check for NULL block.
10136
10137 2009-02-17 Richard Guenther <rguenther@suse.de>
10138
10139 PR tree-optimization/39204
10140 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
10141 of the PHI arg.
10142
10143 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
10144
10145 * config/soft-fp/double.h: Update from glibc CVS.
10146
10147 2009-02-17 Richard Guenther <rguenther@suse.de>
10148
10149 PR tree-optimization/39207
10150 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
10151 strict-aliasing warnings for pointers pointing to NULL.
10152
10153 2009-02-16 Joseph Myers <joseph@codesourcery.com>
10154
10155 PR c/35446
10156 * c-parser.c (c_parser_braced_init): Call pop_init_level when
10157 skipping until next close brace.
10158
10159 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
10160
10161 PR target/37049
10162 * config/i386/i386.c (ix86_expand_push): Set memory alignment
10163 to function argument boundary.
10164
10165 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
10166
10167 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
10168 in the lea_add. Reload eventually constraints it properly.
10169 * config/picochip/constraints.md: Remove the target constraint
10170 "b", since it is not needed anymore.
10171
10172 2009-02-16 Jakub Jelinek <jakub@redhat.com>
10173
10174 * gthr-dce.h: Uglify function parameter and local variable names.
10175 * gthr-gnat.h: Likewise.
10176 * gthr-mipssde.h: Likewise.
10177 * gthr-nks.h: Likewise.
10178 * gthr-posix95.h: Likewise.
10179 * gthr-posix.h: Likewise.
10180 * gthr-rtems.h: Likewise.
10181 * gthr-single.h: Likewise.
10182 * gthr-solaris.h: Likewise.
10183 * gthr-tpf.h: Likewise.
10184 * gthr-vxworks.h: Likewise.
10185 * gthr-win32.h: Likewise.
10186
10187 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
10188
10189 PR target/39196
10190 * config/i386/i386.md: Restrict the new peephole2 to move
10191 between MMX/SSE registers.
10192
10193 2009-02-15 Richard Guenther <rguenther@suse.de>
10194
10195 Revert
10196 2009-02-13 Richard Guenther <rguenther@suse.de>
10197
10198 * configure.ac: Enable LFS.
10199 * configure: Re-generate.
10200 * config.in: Likewise.
10201
10202 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
10203
10204 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
10205 spu_srqwbyte, spu_srqwbytebc): Define.
10206 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
10207 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
10208 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
10209 "shrqby_<mode>"): New insn-and-split patterns.
10210 * config/spu/spu.c (expand_builtin_args): Determine and return
10211 number of operands using spu_builtin_description data.
10212 (spu_expand_builtin_1): Use it.
10213
10214 2009-02-13 Steve Ellcey <sje@cup.hp.com>
10215
10216 PR target/38056
10217 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
10218 TARGET_CONST_GP.
10219
10220 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
10221
10222 PR target/39149
10223 * config/i386/i386.c (override_options): Correct warning
10224 messages for -malign-loops, -malign-jumps and -malign-functions.
10225
10226 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
10227
10228 PR target/39152
10229 * config/i386/i386.md: Restrict the new peephole2 to move
10230 between the general purpose registers.
10231
10232 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
10233
10234 PR target/39162
10235 * config/i386/i386.c (type_natural_mode): Add a new argument.
10236 Return the original mode and warn ABI change if vector size is 32byte.
10237 (function_arg_advance): Updated.
10238 (function_arg): Likewise.
10239 (ix86_function_value): Likewise.
10240 (ix86_return_in_memory): Likewise.
10241 (ix86_sol10_return_in_memory): Likewise.
10242 (ix86_gimplify_va_arg): Likewise.
10243 (function_arg_32): Don't warn ABX ABI change here.
10244 (function_arg_64): Likewise.
10245
10246 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
10247
10248 * loop-iv.c (implies_p): In the final case, test that operands 0
10249 of the two comparisons match.
10250
10251 * config/bfin/bfin.c (find_prev_insn_start): New function.
10252 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
10253 (find_next_insn_start): Move.
10254
10255 2009-02-13 Richard Guenther <rguenther@suse.de>
10256
10257 * configure.ac: Enable LFS.
10258 * configure: Re-generate.
10259 * config.in: Likewise.
10260
10261 2009-02-13 Joseph Myers <joseph@codesourcery.com>
10262
10263 PR c/35444
10264 * c-parser.c (c_parser_parms_list_declarator): Discard pending
10265 sizes on syntax error after some arguments have been parsed.
10266
10267 2009-02-12 Jakub Jelinek <jakub@redhat.com>
10268
10269 * doc/invoke.texi (-fira): Remove.
10270
10271 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
10272
10273 * caller-save.c: Replace regclass.c with reginfo.c in comments.
10274 * recog.c: Likewise.
10275 * rtl.h: Likewise.
10276
10277 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
10278
10279 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
10280 (umul_ppmm): Likewise.
10281 (count_leading_zeros): Likewise.
10282 (count_trailing_zeros): Likewise.
10283 (UMUL_TIME): Likewise.
10284
10285 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
10286
10287 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
10288 soft-fp/t-softfp to tmake_file.
10289
10290 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
10291 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
10292 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
10293 IA64_BUILTIN_INFQ]: New.
10294 (ia64_init_builtins): Initialize __builtin_infq,
10295 __builtin_fabsq and __builtin_copysignq if not HPUX.
10296 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
10297 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
10298
10299 * config/ia64/lib1funcs.asm (__divtf3): Define only if
10300 SHARED is defined.
10301 (__fixtfti): Likewise.
10302 (__fixunstfti): Likewise.
10303 (__floattitf): Likewise.
10304
10305 * config/ia64/libgcc-glibc.ver: New.
10306 * config/ia64/t-fprules-softfp: Likewise.
10307 * config/ia64/sfp-machine.h: Likewise.
10308
10309 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
10310 (LIBGCC2_TF_CEXT): Likewise.
10311 (TF_SIZE): Likewise.
10312 (TARGET_INIT_LIBFUNCS): Likewise.
10313
10314 * config/ia64/t-glibc (SHLINB_MAPFILES):
10315 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
10316
10317 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
10318
10319 * config/i386/i386.c (construct_container): Rewrite processing
10320 BLKmode with X86_64_SSE_CLASS.
10321
10322 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
10323
10324 PR target/39152
10325 * config/i386/i386.md: Replace simplify_replace_rtx with
10326 replace_rtx in the new peephole2.
10327
10328 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
10329
10330 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
10331 loop unrolling do not happen at -O2.
10332
10333 2009-02-12 Michael Matz <matz@suse.de>
10334
10335 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
10336
10337 2009-02-12 Jakub Jelinek <jakub@redhat.com>
10338
10339 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
10340 for -g3.
10341
10342 2009-02-12 Ben Elliston <bje@au.ibm.com>
10343
10344 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
10345 patterns when updating the back chain. Missed in the 2009-02-10
10346 change.
10347
10348 2009-02-11 Janis Johnson <janis187@us.ibm.com>
10349
10350 * doc/extend.texi (Decimal Floating Types): Update identifier of
10351 draft TR and list of missing support.
10352
10353 2009-02-11 Jakub Jelinek <jakub@redhat.com>
10354
10355 PR middle-end/39154
10356 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
10357 bit to variable length decl's flags, add it also to its
10358 pointer replacement variable.
10359
10360 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
10361 Jakub Jelinek <jakub@redhat.com>
10362
10363 PR target/39118
10364 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
10365 (memory_blockage): New expander.
10366 (*memory_blockage): New insn pattern.
10367 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
10368 instead of general blockage at the end of function prologue when
10369 frame pointer is used to access red zone area. Do not emit blockage
10370 when profiling, it is emitted in generic code.
10371 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
10372 function epilogue when frame pointer is used to access red zone area.
10373
10374 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
10375
10376 PR target/38824
10377 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
10378 by arithmetic with memory operands.
10379 * config/i386/predicates.md (commutative_operator): New.
10380
10381 2009-02-10 Janis Johnson <janis187@us.ibm.com>
10382
10383 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
10384 bulleted lists.
10385
10386 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
10387
10388 * alias.h (record_alias_subset): Declare.
10389 * alias.c (record_alias_subset): Make global.
10390
10391 2009-02-10 Nick Clifton <nickc@redhat.com>
10392
10393 * tree-parloops.c: Change license to GPLv3.
10394 * ipa-struct-reorg.c: Change license to GPLv3.
10395 * ipa-struct-reorg.h: Change license to GPLv3.
10396
10397 2009-02-10 Steve Ellcey <sje@cup.hp.com>
10398
10399 PR c/39084
10400 * c-decl.c (start_struct): Return NULL on error.
10401
10402 2009-02-10 Jakub Jelinek <jakub@redhat.com>
10403
10404 PR middle-end/39124
10405 * cfgloopmanip.c (remove_path): Call remove_bbs after
10406 cancel_loop_tree, not before it.
10407
10408 PR target/39139
10409 * function.h (struct function): Add has_local_explicit_reg_vars bit.
10410 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
10411 VAR_DECLs were seen.
10412 * tree-ssa-live.c (remove_unused_locals): Recompute
10413 cfun->has_local_explicit_reg_vars.
10414 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
10415 copies or clearings if cfun->has_local_explicit_reg_vars.
10416
10417 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
10418
10419 PR target/39118
10420 * config/i386/i386.c (expand_prologue): Emit blockage at the end
10421 of function prologue when frame pointer is used to access
10422 red zone area.
10423
10424 2009-02-10 Richard Guenther <rguenther@suse.de>
10425
10426 PR middle-end/39127
10427 * gimplify.c (gimple_regimplify_operands): Always look if
10428 we need to create a temporary.
10429
10430 2009-02-10 Richard Guenther <rguenther@suse.de>
10431
10432 PR tree-optimization/39132
10433 * tree-loop-distribution.c (todo): New global var.
10434 (generate_memset_zero): Trigger TODO_rebuild_alias.
10435 (tree_loop_distribution): Return todo.
10436
10437 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
10438
10439 PR target/39119
10440 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
10441 (x86_64_reg_class_name): Removed.
10442 (classify_argument): Return 0 if bytes > 32. Return 0 if the
10443 first one isn't X86_64_SSE_CLASS or any other ones aren't
10444 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
10445 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
10446 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
10447 and 3 X86_64_SSEUP_CLASS.
10448 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
10449 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
10450
10451 2009-02-10 Ben Elliston <bje@au.ibm.com>
10452
10453 * config/rs6000/rs6000.md (allocate_stack): Always use an update
10454 form instruction to update the stack back chain word, even if the
10455 user has disabled the generation of update instructions.
10456 (movdi_<mode>_update_stack): New.
10457 (movsi_update_stack): Likewise.
10458 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
10459 always use an update form instruction to update the stack back
10460 chain word.
10461
10462 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
10463
10464 PR middle-end/38953
10465 * graphite.c (if_region_set_false_region): After moving a region in
10466 the false branch of a condition, remove the empty dummy basic block.
10467 (gloog): Remove wrong fix for PR38953.
10468
10469 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
10470
10471 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
10472 generation due to implicit sign extension.
10473
10474 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
10475
10476 PR middle-end/38981
10477 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
10478 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
10479
10480 2009-02-09 Richard Guenther <rguenther@suse.de>
10481
10482 PR middle-end/35202
10483 * convert.c (convert_to_real): Disable (float)fn((double)x)
10484 to fnf(x) conversion if errno differences may occur and
10485 -fmath-errno is set.
10486
10487 2009-02-07 Anatoly Sokolov <aesok@post.ru>
10488
10489 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
10490 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10491 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10492
10493 2009-02-06 Joseph Myers <joseph@codesourcery.com>
10494
10495 PR c/35434
10496 * c-common.c (handle_alias_attribute): Disallow attribute for
10497 anything not a FUNCTION_DECL or VAR_DECL.
10498
10499 2009-02-06 Janis Johnson <janis187@us.ibm.com>
10500
10501 PR c/39035
10502 * real.c (do_compare): Special-case compare of zero against
10503 decimal float value.
10504
10505 2009-02-06 Joseph Myers <joseph@codesourcery.com>
10506
10507 PR c/36432
10508 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
10509 as indicating flexible array members unless the field itself is
10510 being declarared as the incomplete array.
10511
10512 2009-02-06 Jan Hubicka <jh@suse.cz>
10513
10514 PR tree-optimization/38844
10515 * ipa-inline.c (try_inline): Stop inlining recursion when edge
10516 is already inlined.
10517
10518 2009-02-06 Richard Guenther <rguenther@suse.de>
10519
10520 PR middle-end/38977
10521 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
10522 fork because we may expand it as __gcov_fork.
10523
10524 2009-02-06 Nick Clifton <nickc@redhat.com>
10525
10526 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
10527
10528 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
10529
10530 PR tree-optimization/35659
10531 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
10532 vn_phi_eq): Shortcut if hashcode does not match.
10533 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
10534 NULL operands.
10535 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
10536 and avoid iterative_hash_expr.
10537 (FOR_EACH_VALUE_ID_IN_SET): New.
10538 (value_id_compare): Remove.
10539 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
10540 sort expressions by value id.
10541
10542 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
10543
10544 PR target/38991
10545 * config/sh/predicates.md (general_movsrc_operand): Don't check
10546 the subreg of system registers here.
10547
10548 2009-02-05 Jakub Jelinek <jakub@redhat.com>
10549
10550 PR c++/39106
10551 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
10552 on the copied decl.
10553
10554 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
10555
10556 PR rtl-optimization/39110
10557 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
10558 addresses, not aligned ones.
10559
10560 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
10561 Richard Guenther <rguenther@suse.de>
10562
10563 PR tree-optimization/39100
10564 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
10565 comment says and add edges.
10566
10567 2009-02-05 Joseph Myers <joseph@codesourcery.com>
10568
10569 PR c/35435
10570 * c-common.c (handle_tls_model_attribute): Ignore attribute for
10571 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
10572
10573 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
10574
10575 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
10576 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
10577 register_bb_in_sese, new_sese, free_sese): Moved.
10578 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
10579 outermost_loop_in_scop, build_scop_iteration_domain,
10580 expand_scalar_variables_ssa_name, get_vdef_before_scop,
10581 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
10582 Use loop_in_sese_p instead of loop_in_scop_p.
10583 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
10584 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
10585 (scopdet_basic_block_info): Fix bug in scop detection.
10586 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
10587 eq_loop_to_cloog_loop): Remove.
10588 (nb_loops_around_loop_in_scop, nb_loop
10589 ref_nb_loops): Moved here...
10590 * graphite.h (ref_nb_loops): ... from here.
10591 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
10592 (loop_domain_dim, loop_iteration_vector_dim): Remove.
10593 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
10594 * testsuite/gcc.dg/graphite/scop-19.c: New
10595
10596 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
10597 Hans-Peter Nilsson <hp@axis.com>
10598
10599 PR rtl-optimization/37889
10600 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
10601 Move offset handling from PLUS to before the switch. Use new
10602 arguments when considering SYMBOL_REFs too.
10603 (rtx_addr_can_trap_p): Pass dummy offset and size.
10604 (enum may_trap_p_flags): Remove.
10605 (may_trap_p_1): Pass size from MEM_SIZE.
10606
10607 PR rtl-optimization/38921
10608 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
10609 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
10610 * rtlanal.c (may_trap_after_code_motion_p): Delete.
10611 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
10612
10613 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
10614
10615 AVX Programming Reference (January, 2009)
10616 * config/i386/sse.md (*vpclmulqdq): New.
10617
10618 2009-02-04 Jakub Jelinek <jakub@redhat.com>
10619
10620 PR tree-optimization/38977
10621 PR gcov-profile/38292
10622 * calls.c (special_function_p): Disregard __builtin_ prefix.
10623
10624 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
10625
10626 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
10627 non-indexable addresses even before reload.
10628
10629 2009-02-03 Joseph Myers <joseph@codesourcery.com>
10630
10631 PR c/29129
10632 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
10633 as having variable size. Do not give an error for unnamed
10634 parameters with [*] declarators. Give a warning for type names
10635 with [*] declarators and mark them as variable size.
10636 * c-parser.c (c_parser_sizeof_expression): Do not give an error
10637 for sizeof applied to [*] type names.
10638
10639 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
10640
10641 PR C++/36607
10642 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
10643
10644 2009-02-03 Jakub Jelinek <jakub@redhat.com>
10645
10646 * gcc.c (process_command): Update copyright notice dates.
10647 * gcov.c (print_version): Likewise.
10648 * gcov-dump.c (print_version): Likewise.
10649 * mips-tfile.c (main): Likewise.
10650 * mips-tdump.c (main): Likewise.
10651
10652 2009-02-03 Joseph Myers <joseph@codesourcery.com>
10653
10654 PR c/35433
10655 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
10656 for composite type involving a zero-length array type.
10657
10658 2009-02-03 Jakub Jelinek <jakub@redhat.com>
10659
10660 PR target/35318
10661 * function.c (match_asm_constraints_1): Skip over
10662 initial optional % in the constraint.
10663
10664 PR inline-asm/39059
10665 * c-parser.c (c_parser_postfix_expression): If fixed point is not
10666 supported, don't accept FIXED_CSTs.
10667 * c-decl.c (finish_declspecs): Error if fixed point is not supported
10668 and _Sat is used without _Fract/_Accum. Set specs->type to
10669 integer_type_node for cts_fract/cts_accum if fixed point is not
10670 supported.
10671
10672 2009-02-02 Catherine Moore <clm@codesourcery.com>
10673
10674 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
10675
10676 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
10677
10678 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
10679 (ABI_HAS_64BIT_SYMBOLS): Use it.
10680 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
10681
10682 2009-02-02 Paul Brook <paul@codesourcery.com>
10683
10684 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
10685
10686 2009-02-02 Jakub Jelinek <jakub@redhat.com>
10687
10688 PR inline-asm/39058
10689 * recog.h (asm_operand_ok): Add constraints argument.
10690 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
10691 recurse on matching constraint.
10692 (check_asm_operands): Pass constraints as 3rd argument to
10693 asm_operand_ok. Don't look up matching constraint here.
10694 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
10695 to asm_operand_ok.
10696
10697 2009-02-02 Ben Elliston <bje@au.ibm.com>
10698
10699 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
10700 TARGET_NARROW_VOLATILE_BITFIELD macro names.
10701
10702 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10703
10704 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
10705 information. Remove some obsolete information. Reorganize.
10706
10707 * config/pa/fptr.c: Revert license to GPL 2.
10708 * config/pa/milli64.S: Likewise.
10709
10710 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
10711
10712 PR target/38904
10713 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
10714 LIBRARY name in, instead of hard-coding it.
10715 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
10716 extra target make frag to tmake_files according to EH model.
10717 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
10718 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
10719 frags that define makefile variable EH_MODEL appropriately.
10720 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
10721 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
10722 to "-sjlj" according to type of EH configured.
10723 (LIBGCC_SONAME): Concatenate it to shared library base name.
10724 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
10725 to "_sjlj" according to type of EH configured.
10726 (LIBGCC_SONAME): Concatenate it to shared library base name.
10727 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
10728 (SHLIB_LINK): Add missing semicolon to if-else construct.
10729 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
10730 string value of "pe_dll" command-line option.
10731 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
10732 (SHLIB_SONAME): Use it when overriding t-cygming default.
10733 (SHLIB_IMPLIB): Override t-cygming default.
10734 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
10735 string value of "pe_dll" command-line option.
10736
10737 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
10738
10739 PR target/38952
10740 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
10741 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
10742
10743 2009-01-31 Richard Guenther <rguenther@suse.de>
10744
10745 PR tree-optimization/38937
10746 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
10747 computing the transitive closure.
10748
10749 2009-01-30 Richard Guenther <rguenther@suse.de>
10750
10751 PR tree-optimization/39041
10752 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10753 Propagate variable indices only if the types match for this stmt.
10754
10755 2009-01-30 Jakub Jelinek <jakub@redhat.com>
10756
10757 PR target/39013
10758 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
10759 inline but never defined.
10760
10761 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
10762
10763 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
10764 (*insv_h_di_reg_extimm): New insn.
10765 (*insv_l<mode>_reg_extimm): New insn.
10766
10767 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
10768
10769 * config/picochip/picochip.c (flag_conserve_stack): set
10770 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
10771 fconserve-stack. Reduce call-overhead used by inliner.
10772
10773 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
10774
10775 PR/38157
10776 * common.opt (flag_conserve_stack): Initialised to zero.
10777
10778 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
10779
10780 PR/39002
10781 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
10782 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
10783 method.
10784
10785 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
10786
10787 * ira-color.c (allocno_reload_assign): Update comments.
10788 * regmove.c (regmove_optimize): Likewise.
10789
10790 * ra.h: Removed.
10791
10792 2009-01-29 Robert Millan <rmh@aybabtu.com>
10793
10794 * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
10795 * config/i386/kopensolaris-gnu.h: New file. Undefine
10796 `MD_UNWIND_SUPPORT'.
10797 * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
10798
10799 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
10800
10801 PR tree-optimization/39007
10802 * tree-loop-distribution.c (generate_builtin): Use
10803 recompute_dominator to compute the immediate dominator of the
10804 basic block just after the loop.
10805
10806 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10807
10808 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
10809 (ASM_OUTPUT_DWARF_PCREL): Define.
10810
10811 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
10812
10813 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
10814 * doc/passes.texi: Remove entries about regclass, local-alloc, and
10815 global. Modify entries about regmove and IRA.
10816
10817 * ra-conflict.c: Remove the file.
10818
10819 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
10820
10821 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
10822 (pass_regclass_init): Rename to pass_reginfo_init.
10823
10824 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
10825
10826 * toplev.h (flag_ira): Remove.
10827
10828 * caller-save.c (setup_save_areas): Remove flag_ira.
10829
10830 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
10831
10832 * global.c: Remove the file.
10833
10834 * opts.c (decode_options): Remove flag_ira.
10835
10836 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
10837
10838 * regmove.c: Modify file description.
10839 (find_use_as_address, try_auto_increment): Define them only if
10840 AUTO_INC_DEC is defined.
10841 (replacement_quality, replace_in_call_usage, fixup_match_1,
10842 stable_and_no_regs_but_for_p): Remove.
10843 (reg_set_in_bb): Make it static.
10844 (regmove_optimize): Remove flag_ira and code which worked for
10845 !flag_ira.
10846
10847 * local-alloc.c: Remove the file.
10848
10849 * common.opt (fira): Remove.
10850
10851 * ira.c: Include except.h.
10852 (eliminable_regset): Move from global.c.
10853 (mark_elimination): Ditto. Remove flag_ira.
10854 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
10855 equiv_mem_modified, validate_equiv_mem_from_store,
10856 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
10857 contains_replace_regs, memref_referenced_p, memref_used_between_p,
10858 no_equiv, recorded_label_ref): Move from local-alloc.c.
10859 (update_equiv_regs): Ditto. Make it static.
10860 (print_insn_chain, print_insn_chains): Move it from global.c.
10861 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
10862 (build_insn_chain): Ditto. Make it static.
10863 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
10864 Rename to init_live_subregs.
10865 (gate_ira): Remove flag_ira.
10866
10867 * regclass.c: Rename reginfo.c. Change file description.
10868 (FORBIDDEN_INC_DEC_CLASSES): Remove.
10869 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
10870 (init_reg_sets_1): Remove code for evaluation of
10871 reg_class_superclasses and losing_caller_save_reg_set.
10872 (init_regs): Remove init_reg_autoinc.
10873 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
10874 ok_for_base_p_nonstrict): Remove.
10875 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
10876 (pass_regclass_init): Rename to pass_reginfo_init. Modify
10877 corresponding entries.
10878 (dump_regclass, record_operand_costs, scan_one_insn,
10879 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
10880 record_address_regs, auto_inc_dec_reg_p): Remove.
10881 (gt-regclass.h): Rename to gt-reginfo.h.
10882
10883 * rtl.h (dump_global_regs, retry_global_alloc,
10884 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
10885
10886 * Makefile.in (RA_H): Remove.
10887 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
10888 Rename regclass.o to reginfo.o.
10889 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
10890 gt-reginfo.h.
10891 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
10892 (GTFILES): Rename regclass.c to reginfo.c.
10893
10894 * passes.c (init_optimization_passes): Remove pass_local_alloc and
10895 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
10896
10897 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
10898 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
10899 Remove flag_ira.
10900 (finish_spills): Ditto. Remove code for !flag_ira.
10901
10902 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10903
10904 PR middle-end/35854
10905 * doc/invoke.texi (rtl debug options): Complete rewrite.
10906 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
10907 to auto_inc_dec".
10908 * mode-switching.c (pass_mode_switching): Rename pass from
10909 "mode-sw" to "mode_sw".
10910 * except.c (pass_convert_to_eh_ranges): Rename pass from
10911 "eh-ranges" to "eh_ranges".
10912 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
10913 to "subreg1".
10914
10915
10916 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
10917 Alexander Monakov <amonakov@ispras.ru>
10918
10919 PR middle-end/38857
10920 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
10921 register.
10922 (move_exprs_to_boundary): Change return type and pass through
10923 should_move from move_op. Relax assert. Update usage ...
10924 (schedule_expr_on_boundary): ... here. Use should_move instead of
10925 cant_move.
10926 (move_op_orig_expr_found): Indicate that insn was disconnected from
10927 stream.
10928 (code_motion_process_successors): Do not call after_merge_succs
10929 callback if original expression was not found when traversing any of
10930 the branches.
10931 (code_motion_path_driver): Change return type. Update prototype.
10932 (move_op): Update comment. Add a new parameter (should_move). Update
10933 prototype. Set *should_move based on indication provided by
10934 move_op_orig_expr_found.
10935
10936 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
10937
10938 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
10939 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
10940 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
10941 * config/rs6000/rs6000.c (rs6000_override_options): Default
10942 avoid-indexed-addresses on for Power6, off for everything else.
10943 (avoiding_indexed_address_p): New function.
10944 (rs6000_legitimize_address): Use it.
10945 (rs6000_legitimate_address): Likewise.
10946 * config/rs6000/rs6000.md (movXX_updateX): Likewise
10947
10948 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
10949
10950 PR tree-optimization/38997
10951 * tree-loop-distribution.c (generate_memset_zero): Use
10952 POINTER_PLUS_EXPR for a pointer addition.
10953
10954 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
10955
10956 * config/s390/s390.md (bswap<mode>2): New pattern added.
10957
10958 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
10959
10960 * config/s390/s390.md (*tls_load_31): Added type attribute.
10961
10962 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
10963
10964 * config/s390/s390.md: Fix a few comments.
10965
10966 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
10967
10968 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
10969 (*tm<mode>_full): Fixed z10prop attribute.
10970 (*tst<mode>_extimm): Fixed z10prop attribute.
10971 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
10972 (*tstqiCCT_cconly): Fixed z10prop attribute.
10973 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
10974 (*movsi_larl): Fixed z10prop attribute.
10975 (*movsi_zarch): Fixed z10prop attribute.
10976 (*movsi_eas): Fixed z10prop attribute.
10977 (*movhi): Fixed z10prop attribute.
10978 (*movqi): Fixed z10prop attribute.
10979 (*movstrictqi): Fixed z10prop attribute.
10980 (*mov<mode>): Fixed z10prop attribute.
10981 (*movcc): Fixed z10prop attribute.
10982 (*sethighpartdi_64): Fixed z10prop attribute.
10983 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
10984 (*negdi2_sign_cc): Fixed z10prop attribute.
10985 (*negdi2_sign): Fixed z10prop attribute.
10986 (*absdi2_sign_cc): Fixed z10prop attribute.
10987 (*absdi2_sign): Fixed z10prop attribute.
10988 (*negabsdi2_sign_cc): Fixed z10prop attribute.
10989 (*negabsdi2_sign): Fixed z10prop attribute.
10990 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
10991 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
10992 (doloop_si64): Fixed z10prop attribute.
10993 (doloop_si31): Fixed z10prop attribute.
10994 (doloop_long): Fixed z10prop attribute.
10995 (indirect_jump): Fixed z10prop attribute.
10996 (nop): Fixed z10prop attribute.
10997 (main_base_64): Fixed z10prop attribute.
10998 (reload_base_64): Fixed z10prop attribute.
10999
11000 2009-01-28 Jakub Jelinek <jakub@redhat.com>
11001
11002 PR rtl-optimization/38740
11003 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
11004 if !optimize.
11005 * config/mips/mips.c (mips_reorg): Likewise.
11006
11007 2009-01-28 Richard Guenther <rguenther@suse.de>
11008
11009 PR tree-optimization/38926
11010 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
11011 with the correct value id to a value.
11012 (do_regular_insertion): Use the value number of edoubleprime
11013 for the value number of the expr.
11014
11015 Revert
11016 2008-08-21 Richard Guenther <rguenther@suse.de>
11017
11018 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
11019 a PHI ask VN if it is already available.
11020 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
11021 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
11022
11023 2009-01-28 Jakub Jelinek <jakub@redhat.com>
11024
11025 PR middle-end/38934
11026 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
11027 set to varying whenever max has TREE_OVERFLOW set, similarly
11028 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
11029
11030 2009-01-28 Richard Guenther <rguenther@suse.de>
11031
11032 PR middle-end/38908
11033 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
11034 uninitialized aggregate uses in call arguments.
11035
11036 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
11037
11038 PR tree-optimization/38984
11039 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
11040 the nothing_id variable if -fno-delete-null-pointer-checks.
11041
11042 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
11043
11044 PR target/38988
11045 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
11046 (set_got_offset_rex64): Ditto.
11047
11048 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
11049
11050 PR target/38941
11051 * doc/extend.texi: Improve local variable with asm reg.
11052
11053 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
11054
11055 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
11056 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
11057 was not supplied then set warn_packed_bitfield_compat to the
11058 default value of 1.
11059 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
11060 against 1.
11061
11062 2009-01-27 Richard Guenther <rguenther@suse.de>
11063
11064 PR tree-optimization/38503
11065 * cfgexpand.c (expand_gimple_basic_block): Ignore
11066 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
11067 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
11068 variables that cannot have TBAA applied.
11069 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
11070 statements.
11071
11072 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
11073
11074 PR middle-end/38969
11075 * calls.c (initialize_argument_information): Do not wrap complex
11076 arguments in SAVE_EXPR.
11077
11078 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
11079
11080 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
11081 (INSTALL_LIBGCC): Revert typo commit.
11082
11083 2009-01-26 Richard Guenther <rguenther@suse.de>
11084
11085 PR tree-optimization/38745
11086 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
11087 from special handling.
11088
11089 2009-01-26 Richard Guenther <rguenther@suse.de>
11090
11091 PR tree-optimization/38745
11092 * tree-ssa.c (execute_update_addresses_taken): Do not include
11093 variables that cannot possibly be a register in not_reg_needs.
11094 Do not clear TREE_ADDRESSABLE on vars that may not become
11095 registers.
11096 * tree-ssa.c (update_alias_info_1): Include those in the set
11097 of addressable vars.
11098
11099 2009-01-26 Richard Guenther <rguenther@suse.de>
11100
11101 PR middle-end/38851
11102 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
11103 * tree-ssa-dse.c: Include langhooks.h
11104 (execute_simple_dse): Remove stores with zero size.
11105
11106 2009-01-24 Jakub Jelinek <jakub@redhat.com>
11107
11108 PR c/38957
11109 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
11110 as PLUS_EXPR.
11111
11112 2009-01-24 Julian Brown <julian@codesourcery.com>
11113
11114 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
11115 config/arm/linux-atomic.c.
11116 * config/arm/linux-atomic.c: New.
11117
11118 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
11119
11120 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
11121 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
11122 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
11123
11124 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
11125
11126 PR c/38938
11127 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
11128 properly.
11129
11130 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
11131
11132 PR tree-optimization/38953
11133 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
11134 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
11135 (gloog): Split the exit of the scop when the scop exit is a loop exit.
11136 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
11137 changed the CFG.
11138
11139 2009-01-24 Paul Brook <paul@codesourcery.com>
11140
11141 * config/arm/neon.md (neon_type): Move to arm.md.
11142 (neon_mov<VSTRUCT>): Add neon_type attribute.
11143 * config/arm/arm.md (neon_type): Move to here.
11144 (conds): Add "unconditioal" and use as default for NEON insns.
11145
11146 2009-01-24 Ben Elliston <bje@au.ibm.com>
11147
11148 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
11149 void *' warning from -Wc++-compat.
11150 * Makefile.in (dominance.o-warn): Remove.
11151
11152 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
11153
11154 PR tree-optimization/38932
11155 * fold-const.c (fold_unary_ignore_overflow): New.
11156 * tree.h (fold_unary_ignore_overflow): Declare.
11157 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
11158 * tree-ssa-sccvn.c (visit_reference_op_load,
11159 simplify_unary_expression): Likewise.
11160
11161 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
11162
11163 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
11164 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
11165 regardless of their type.
11166 * c-common.c (handle_packed_attribute): Don't ignore packed on
11167 bitfields.
11168 * c.opt (Wpacked-bitfield-compat): New warning option.
11169 * stor-layout.c (place_field): Warn if offset of a field changed.
11170 * doc/extend.texi (packed): Mention the ABI change.
11171 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
11172 (Warning Options): Add it to the list.
11173
11174 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
11175
11176 * c-opts.c (c_common_post_options): Fix a typo in comments.
11177
11178 2009-01-22 Steve Ellcey <sje@cup.hp.com>
11179
11180 PR middle-end/38615
11181 * gimplify.c (gimplify_init_constructor): Fix promotion of const
11182 variables to static.
11183 * doc/invoke.texi (-fmerge-all-constants): Update description.
11184
11185 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
11186
11187 PR target/38931
11188 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
11189 (*movdi_1_rex64): Use type "mmx" for alternative 5.
11190
11191 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
11192
11193 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
11194 a word boundary.
11195 (LOCAL_ALIGNMENT): Similarly.
11196
11197 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
11198 Joseph Myers <joseph@codesourcery.com>
11199
11200 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
11201 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
11202 * config/arm/arm-tune.md: Regenerate.
11203 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
11204 -march=iwmmxt2.
11205
11206 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
11207
11208 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
11209 version number to five.
11210
11211 2009-01-22 Dodji Seketeli <dodji@redhat.com>
11212
11213 PR c++/38930
11214 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
11215 * c-common.c (set_underlying_type): Likewise.
11216 (is_typedef_decl ): Likewise
11217 * tree.h: Likewise
11218 (set_underlying_type): Likewise.
11219 (is_typedef_type): Likewise.
11220
11221 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
11222
11223 PR middle-end/38587
11224 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
11225 crossing setjmps.
11226
11227 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
11228
11229 PR bootstrap/37660
11230 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
11231 (LIBGCC_SPEC): Don't define.
11232 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
11233
11234 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
11235
11236 PR rtl-optimization/38879
11237 * alias.c (base_alias_check): Unaligned access via AND address can
11238 alias all surrounding object types except those with sizes equal
11239 or wider than the size of unaligned access.
11240
11241 2009-01-21 Dodji Seketeli <dodji@redhat.com>
11242
11243 PR c++/26693
11244 * c-decl.c (clone_underlying_type): Move this ...
11245 * c-common.c (set_underlying_type): ... here.
11246 Also, make sure the function properly sets TYPE_STUB_DECL() on
11247 the newly created typedef variant type.
11248 (is_typedef_decl ): New entry point.
11249 * tree.h: Added a new member member_types_needing_access_check to
11250 struct tree_decl_non_common.
11251 (set_underlying_type): New entry point.
11252 (is_typedef_type): Likewise.
11253
11254 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
11255
11256 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
11257 Check whether two instructions have memory references that
11258 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
11259 are helper functions for traversing.
11260 * alias.h (insn_alias_sets_confilict_p): New prototypes.
11261 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
11262 not to draw dependency edge for instructions with non-conflicting
11263 alias sets.
11264
11265 2009-01-20 Joseph Myers <joseph@codesourcery.com>
11266
11267 PR other/38758
11268 * longlong.h: Update copyright years. Use soft-fp license notice.
11269 Sync __clz_tab declaration with glibc.
11270
11271 2009-01-20 Steve Ellcey <sje@cup.hp.com>
11272
11273 PR target/30687
11274 * doc/extend.texi (syscall_linkage): New.
11275 (version_id): Modify.
11276
11277 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
11278 Richard Guenther <rguenther@suse.de>
11279
11280 PR tree-optimization/38747
11281 PR tree-optimization/38748
11282 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
11283 conversion if the base address is an indirect reference and the
11284 aliasing sets could cause issues.
11285
11286 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
11287
11288 * common.opt (fgraphite, fgraphite-identity): Add comment for
11289 explaining why these options are not documented.
11290
11291 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
11292
11293 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
11294 gimple_call_lhs is NULL.
11295
11296 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
11297
11298 PR target/38868
11299 * emit-rtl.c (adjust_address_1): Make sure memref is never
11300 overwritten.
11301
11302 2009-01-20 Ben Elliston <bje@au.ibm.com>
11303
11304 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11305 const qualifier from arg parameter. Remove unnecessary cast to char *.
11306 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
11307 const qualifier from arg 2.
11308
11309 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
11310
11311 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
11312
11313 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
11314
11315 PR c/38869
11316 * rtl.h (reinit_regs): New prototype.
11317 * regclass.c: Include ira.h.
11318 (reinit_regs): New.
11319 * Makefile.in (regclass.o): Add ira.h.
11320 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
11321
11322 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
11323
11324 PR target/38736
11325 * c-common.c (handle_aligned_attribute): Use
11326 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
11327 default alignment value.
11328
11329 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
11330
11331 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
11332 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
11333
11334 * doc/extend.texi: Update __attribute__ ((aligned)). Document
11335 __BIGGEST_ALIGNMENT__.
11336
11337 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
11338
11339 2009-01-18 Richard Guenther <rguenther@suse.de>
11340
11341 PR tree-optimization/38819
11342 * tree-flow.h (operation_could_trap_helper_p): Declare.
11343 * tree-eh.c (operation_could_trap_helper_p): Export.
11344 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
11345 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
11346 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
11347 are about to insert a possibly trapping instruction and fail
11348 in this case.
11349
11350 2009-01-18 Andreas Schwab <schwab@suse.de>
11351
11352 * doc/install.texi (Configuration): Remove obsolete paragraph
11353 about use of --with-gnu-ld with --with-gnu-as.
11354
11355 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
11356
11357 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
11358 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
11359 Follow spelling conventions.
11360
11361 2009-01-18 Ben Elliston <bje@au.ibm.com>
11362
11363 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
11364 C++ warning about implicit conversion from void * to struct
11365 bitmap_head_def *.
11366 (bitmap_obstack_free): Likewise for bitmap_element *.
11367 * Makefile.in (bitmap.o-warn): Remove.
11368
11369 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
11370
11371 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
11372
11373 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
11374 Tobias Grosser <tobi.grosser@amd.com>
11375
11376 * graphite.c (graphite_trans_scop_block): Do not block single
11377 nested loops.
11378
11379 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
11380
11381 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
11382 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
11383 test with assertion.
11384
11385 2009-01-16 Richard Guenther <rguenther@suse.de>
11386
11387 PR tree-optimization/38835
11388 PR middle-end/36227
11389 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
11390 and INT + PTR -> (INT)(PTR p+ INT) folding.
11391 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
11392
11393 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
11394
11395 PR target/38554
11396 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
11397 the subreg from a lowpart subreg if it is also casting the value.
11398
11399 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
11400 Tobias Grosser <tobi.grosser@amd.com>
11401
11402 * graphite.c (compare_prefix_loops): New.
11403 (build_scop_canonical_schedules): Rewritten.
11404 (graphite_transform_loops): Move build_scop_canonical_schedules
11405 after build_scop_iteration_domain.
11406
11407 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
11408 Tobias Grosser <tobi.grosser@amd.com>
11409
11410 * graphite.c (add_conditions_to_domain): Add the loops to
11411 the dimension of the iteration domain. Do copy the domain
11412 only when it exists.
11413 (build_scop_conditions_1): Do not call add_conditions_to_domain.
11414 (add_conditions_to_constraints): New.
11415 (can_generate_code_stmt, can_generate_code): Removed.
11416 (gloog): Do not call can_generate_code.
11417 (graphite_transform_loops): Call add_conditions_to_constraints
11418 after building the iteration domain.
11419
11420 2009-01-16 Jakub Jelinek <jakub@redhat.com>
11421
11422 PR tree-optimization/38789
11423 * tree-ssa-threadedge.c
11424 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
11425 __builtin_constant_p.
11426
11427 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
11428
11429 * dce.c (delete_unmarked_insns): Reversed the order that insns are
11430 examined before deleting them.
11431
11432 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
11433
11434 * function.c (aggregate_value_p): Correctly extract the function
11435 type from CALL_EXPR_FN lookup.
11436
11437 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
11438
11439 * config/picochip/picochip.c (picochip_override_options): Revert
11440 CFI asm flag disable commited previously.
11441
11442 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
11443 Tobias Grosser <tobi.grosser@amd.com>
11444 Jan Sjodin <jan.sjodin@amd.com>
11445
11446 * graphite.c (scan_tree_for_params): On substractions negate
11447 all the coefficients of the term.
11448 (clast_to_gcc_expression_red): New. Handle reduction expressions
11449 of more than two operands.
11450 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
11451 (get_vdef_before_scop): Handle also the case of default definitions.
11452
11453 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
11454
11455 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
11456 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
11457 Also use them when walking CALL_INSN_FUNCTION_USAGE.
11458
11459 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
11460 Joey Ye <joey.ye@intel.com>
11461
11462 PR middle-end/37843
11463 * cfgexpand.c (expand_stack_alignment): Don't update stack
11464 boundary nor check incoming stack boundary here.
11465 (gimple_expand_cfg): Update stack boundary and check incoming
11466 stack boundary here.
11467
11468 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
11469
11470 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
11471
11472 2009-01-14 Jakub Jelinek <jakub@redhat.com>
11473
11474 PR rtl-optimization/38245
11475 * calls.c (expand_call): Add stack arguments to
11476 CALL_INSN_FUNCTION_USAGE even for pure calls (when
11477 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
11478 in regs and partially in memory or BLKmode arguments.
11479 (emit_library_call_value_1): Add stack arguments to
11480 CALL_INSN_FUNCTION_USAGE even for pure calls (when
11481 ACCUMULATE_OUTGOING_ARGS).
11482 * dce.c: Include tm_p.h.
11483 (find_call_stack_args): New function.
11484 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
11485 argument.
11486 (mark_insn): Call find_call_stack_args for CALL_Ps.
11487 (prescan_insns_for_dce): Walk insns backwards in bb rather than
11488 forwards. Allocate and free arg_stores bitmap if needed, pass it
11489 down to deletable_insn_p, don't mark stores set in arg_stores
11490 bitmap, clear the bitmap at the beginning of each bb.
11491 * Makefile.in (dce.o): Depend on $(TM_P_H).
11492
11493 2009-01-14 Michael Meissner <gnu@the-meissners.org>
11494
11495 PR target/22599
11496 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
11497 to make sure the insn is a conditional test (bug 22599). Reformat a
11498 few long lines.
11499
11500 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
11501
11502 PR middle-end/38431
11503 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
11504 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
11505 (gloog): Do not call cleanup_tree_cfg.
11506 (graphite_transform_loops): Call cleanup_tree_cfg after all
11507 scops have been code generated.
11508
11509 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
11510 * doc/gty.texi (Invoking the garbage collector): Added new node
11511 and section documenting ggc_collect.
11512
11513 2009-01-14 Richard Guenther <rguenther@suse.de>
11514
11515 PR tree-optimization/38826
11516 PR middle-end/38477
11517 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
11518 initialization notes only if we actually emitted a warning.
11519 (intra_create_variable_infos): Add constraints for a result decl
11520 that is passed by hidden reference.
11521 (build_pred_graph): Mark all related variables non-direct on
11522 address-taking.
11523
11524 2009-01-14 Nick Clifton <nickc@redhat.com>
11525
11526 * ira-conflicts.c: Include addresses.h for the definition of
11527 base_reg_class.
11528 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
11529 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
11530
11531 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
11532
11533 PR target/38811
11534 * Makefile.in (ira-lives.o): Add except.h.
11535
11536 * ira-lives.c: Include except.h.
11537 (process_bb_node_lives): Process can_throw_internal.
11538
11539 2009-01-13 Jakub Jelinek <jakub@redhat.com>
11540
11541 PR rtl-optimization/38774
11542 * combine.c (simplify_set): When undoing cc_use change, don't do
11543 PUT_CODE on the newly created comparison, but instead put back the
11544 old comparison.
11545
11546 2009-01-13 Joseph Myers <joseph@codesourcery.com>
11547
11548 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
11549 values. Remove duplicate arm8 entry.
11550
11551 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
11552
11553 PR tree-optimization/38786
11554 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
11555 the SSA_NAME case of expand_scalar_variables_expr.
11556 Set the type of an expression to the type of its assign statement.
11557 (expand_scalar_variables_expr): Also gather the scalar computation
11558 used to index the memory access. Do not pass loop_p.
11559 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
11560 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
11561 the gimple_stmt_iterator where it inserts new code.
11562 Do not pass loop_p.
11563 (copy_bb_and_scalar_dependences): Do not pass loop_p.
11564 (translate_clast): Update call to copy_bb_and_scalar_dependences.
11565
11566 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
11567
11568 * graphite.h (debug_value): Removed.
11569 * graphite.c (debug_value): Removed.
11570
11571 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
11572
11573 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
11574 ldrd/strd with two 32-bit instructions.
11575
11576 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
11577
11578 * config/arm/arm.c (struct processors): Pass for speed down into
11579 cost helper functions.
11580 (const_ok_for_op): Handle COMPARE and inequality nodes.
11581 (arm_rtx_costs_1): Rewrite.
11582 (arm_size_rtx_costs): Update prototype.
11583 (arm_rtx_costs): Pass speed down to helper functions.
11584 (arm_slowmul_rtx_costs): Rework cost calculations.
11585 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
11586 (arm_9e_rtx_costs): Likewise.
11587
11588 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
11589
11590 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
11591 relocations of local symbols wider than UNITS_PER_WORD are not valid.
11592 (alpha_legitimize_address): Do not split local symbols wider than
11593 UNITS_PER_WORD into HIGH/LO_SUM parts.
11594
11595 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
11596
11597 PR bootstrap/38580
11598 * gcc.c (process_command): Replace call to execvp with calls
11599 to pex_one and exit.
11600
11601 2009-01-03 Anatoly Sokolov <aesok@post.ru>
11602
11603 PR target/29141
11604 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
11605 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
11606 variant for devices with 3-byte PC.
11607 (__tablejump_elpm__): New.
11608
11609 2009-01-12 Jakub Jelinek <jakub@redhat.com>
11610
11611 PR c/32041
11612 * c-parser.c (c_parser_postfix_expression): Allow `->' in
11613 offsetof member-designator, handle it as `[0].'.
11614
11615 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11616
11617 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
11618 function when not using named sections on targets with named sections
11619 if branch distance is less than 262132.
11620
11621 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
11622
11623 * combine.c (combine_instructions): Recompute
11624 optimize_this_for_speed_p for each BB in the main combine loop.
11625
11626 2009-01-12 Tomas Bily <tbily@suse.cz>
11627
11628 PR middlend/38385
11629 * tree-loop-distribution.c (prop_phis): New function.
11630 (generate_builtin): Call prop_phis.
11631 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
11632
11633 2009-01-12 Jakub Jelinek <jakub@redhat.com>
11634
11635 PR tree-optimization/38807
11636 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
11637 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
11638
11639 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
11640
11641 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
11642 subreg of op0 to the original op0.
11643
11644 2009-01-11 Laurent GUERBY <laurent@guerby.net>
11645
11646 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
11647
11648 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
11649
11650 PR debug/7055
11651 * mips-tfile.c (parse_def): Fix parsing of def strings
11652 starting with digits.
11653
11654 2009-01-10 Jakub Jelinek <jakub@redhat.com>
11655
11656 PR target/38695
11657 * config/arm/arm.c (arm_is_long_call_p): Don't call
11658 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
11659
11660 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
11661
11662 * regrename.c (regrename_optimize): Fix dumping.
11663 (find_oldest_value_reg): Preserve REG_POINTER.
11664 (copy_hardreg_forward_1): Likewise.
11665
11666 2009-01-09 Diego Novillo <dnovillo@google.com>
11667
11668 * gimple.h (struct gimple_statement_base) <uid>: Document
11669 the restrictions on its use.
11670 (gimple_uid): Tidy.
11671 (gimple_set_uid): Tidy.
11672
11673 2009-01-09 Jakub Jelinek <jakub@redhat.com>
11674
11675 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
11676 zero guard even if align_bytes != 0 and count is smaller than
11677 size_needed.
11678
11679 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
11680
11681 PR rtl-optimization/38495
11682 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
11683 (add_range_and_copies_from_move_list): Print all added ranges.
11684 Add ranges to memory optimized destination.
11685
11686 2009-01-09 Jakub Jelinek <jakub@redhat.com>
11687
11688 PR target/38686
11689 PR target/38708
11690 * config/i386/i386.c (override_options): Reject
11691 -mstringop-strategy=rep_8byte with -m32.
11692 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
11693 to 1. Do count comparison against epilogue_size_needed at compile
11694 time even when count_exp was constant forced into register. For
11695 size_needed don't jump to epilogue, instead just avoid aligning
11696 and invoke the body algorithm. If need_zero_guard, add zero guard
11697 even if count is non-zero, but smaller than size_needed + number of
11698 bytes that could be stored for alignment.
11699 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
11700 to 1. If need_zero_guard, add zero guard even if count is non-zero,
11701 but smaller than size_needed + number of bytes that could be stored
11702 for alignment. Compare size_needed with epilogue_size_needed instead
11703 of desired_align - align, don't adjust size_needed, pass
11704 epilogue_size_needed to the epilogue expanders.
11705
11706 PR c/35742
11707 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
11708
11709 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11710
11711 * pa.c (last_address): Change to unsigned.
11712 (update_total_code_bytes): Change argument to unsigned. Don't
11713 check if insn addresses are set.
11714 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
11715 addresses are not set.
11716 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
11717
11718 2009-01-09 Nick Clifton <nickc@redhat.com>
11719
11720 * config/sh/symbian.c: Replace uses of DECL_INLINE with
11721 DECL_DECLARED_INLINE_P.
11722
11723 2009-01-09 Jakub Jelinek <jakub@redhat.com>
11724
11725 PR middle-end/38347
11726 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
11727 GET_MODE (op0) in operand_subword_force calls.
11728
11729 PR middle-end/38771
11730 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
11731 fold_convert arg0 operands to TREE_TYPE (op0) first.
11732
11733 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
11734
11735 * params.def (ira-max-conflict-table-size): Decrease default value
11736 to 1000.
11737
11738 2009-01-08 Jakub Jelinek <jakub@redhat.com>
11739
11740 PR tree-optimization/37031
11741 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
11742 on parameter_set.
11743 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
11744 allocate it using gc instead of heap, use VEC_quick_push instead of
11745 VEC_safe_push.
11746 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
11747 instead of heap, use VEC_quick_push instead of VEC_safe_push.
11748 * tree-data-ref.h (struct access_matrix): Change matrix to gc
11749 allocated vector from heap allocated.
11750 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
11751 * tree-loop-linear.c (linear_transform_loops): Allocate nest
11752 vector only after perfect_loop_nest_depth call.
11753
11754 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
11755 Jan Sjodin <jan.sjodin@amd.com>
11756
11757 PR tree-optimization/38559
11758 * graphite.c (debug_value, copy_constraint,
11759 swap_constraint_variables, scale_constraint_variable, ): New.
11760 (get_lower_bound, get_upper_bound): Removed.
11761 (graphite_trans_bb_strip_mine): Clean up this code that works
11762 only for constant number of iterations. Fully copy upper and
11763 lower bound constraints, not only the constant part of them.
11764 * graphite.h (debug_value): Declared.
11765
11766 2009-01-08 Ira Rosen <irar@il.ibm.com>
11767
11768 PR tree-optimization/37194
11769 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
11770 Don't add the cost of cost model guard in prologue to scalar
11771 outside cost in case of known number of iterations.
11772
11773 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
11774 Alan Modra <amodra@bigpond.net.au>
11775
11776 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
11777 non-word-aligned REG+CONST addressing.
11778
11779 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
11780
11781 PR target/38706
11782 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
11783 free_after_compilation when outputting a thunk.
11784 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
11785 Do not call free_after_compilation here.
11786
11787 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
11788
11789 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
11790 (ix86_valid_target_attribute_inner_p): Ditto.
11791
11792 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
11793
11794 PR tree-optimization/38492
11795 PR tree-optimization/38498
11796 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
11797 * tree-chrec.h (scev_is_linear_expression): Declared.
11798 * graphite.c (graphite_cannot_represent_loop_niter): New.
11799 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
11800 (graphite_loop_normal_form): Use gcc_assert.
11801 (scan_tree_for_params): Use CASE_CONVERT.
11802 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
11803 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
11804 Use gcc_assert. Discard scops that contain unhandled cases.
11805 (build_scop_conditions): Return a boolean status for unhandled cases.
11806 (strip_mine_profitable_p): Print the loop number, not its depth.
11807 (is_interchange_valid): Pass the depth of the loop nest, don't
11808 recompute it wrongly.
11809 (graphite_trans_bb_block): Same.
11810 (graphite_trans_bb_block): Print tentative of loop blocking.
11811 (graphite_trans_scop_block): Do not print that the loop has been
11812 blocked.
11813 (graphite_transform_loops): Do not handle scops that contain condition
11814 scalar phi nodes.
11815
11816 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
11817
11818 AVX Programming Reference (December, 2008)
11819 * config/i386/avxintrin.h (_mm256_stream_si256): New.
11820 (_mm256_stream_pd): Likewise.
11821 (_mm256_stream_ps): Likewise.
11822
11823 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
11824 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
11825 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
11826 (bdesc_special_args): Add __builtin_ia32_movntdq256,
11827 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
11828 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
11829 (ix86_expand_special_args_builtin): Likewise.
11830
11831 * config/i386/sse.md (AVXMODEDI): New.
11832 (avx_movnt<mode>): Likewise.
11833 (avx_movnt<mode>): Likewise.
11834 (<sse>_movnt<mode>): Remove AVX support.
11835 (sse2_movntv2di): Likewise.
11836
11837 2009-01-07 Richard Guenther <rguenther@suse.de>
11838
11839 PR middle-end/38751
11840 * fold-const.c (extract_muldiv): Remove obsolete comment.
11841 (fold_plusminus_mult_expr): Undo MINUS_EXPR
11842 to PLUS_EXPR canonicalization for the canonicalization.
11843
11844 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
11845
11846 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
11847 hosted cross-compilers generating less efficient code.
11848
11849 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
11850
11851 * function.h (rtl_data): Add a dbr_scheduled_p field.
11852 * reorg.c (dbr_schedule): Set it.
11853 (gate_handle_delay_slots): Check it.
11854 * config/mips/mips.c (mips_base_delayed_branch): Delete.
11855 (mips_reorg): Check flag_delayed_branch instead of
11856 mips_base_delayed_branch.
11857 (mips_override_options): Don't set mips_base_delayed_branch
11858 or flag_delayed_branch.
11859
11860 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
11861
11862 PR rtl-optimization/38426.
11863 * ira.c (ira): Set current_function_is_leaf earlier.
11864
11865 2009-01-06 Jakub Jelinek <jakub@redhat.com>
11866
11867 PR rtl-optimization/38722
11868 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
11869 too early, only set a flag and modify after last possible
11870 undo_all point.
11871
11872 2009-01-06 Janis Johnson <janis187@us.ibm.com>
11873
11874 PR c/34252
11875 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
11876 * real.c (decimal_single_format): Correct values of emin and emax.
11877 (decimal_double_format): Ditto.
11878 (decimal_quad_format): Ditto.
11879 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
11880 computation of DECnn_MIN and DECnn_MAX for corrected values of
11881 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
11882 __DECnn_MIN__, and adjust its computation for the corrected value
11883 of emin.
11884
11885 2009-01-06 Jan Hubicka <jh@suse.cz>
11886
11887 PR target/38744
11888 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
11889
11890 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
11891
11892 * doc/contrib.texi (Contributors): Slightly adjust the end note.
11893 Add Robert Clark to the list of testers.
11894
11895 2009-01-06 Jan Hubicka <jh@suse.cz>
11896 Kai Tietz <kai.tietz@onevision.com>
11897
11898 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
11899 * config/i386/i386.c (ix86_expand_call): Add clobbers.
11900
11901 2009-01-06 Jan Hubicka <jh@suse.cz>
11902 Kai Tietz <kai.tietz@onevision.com>
11903
11904 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
11905 for w64 ABI.
11906 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
11907 (ix86_nsaved_regs): Count only general purpose regs.
11908 (ix86_nsaved_sseregs): New.
11909 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
11910 to 16 for w64; compute padding and size of sse reg save area.
11911 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
11912 general purpose regs.
11913 (ix86_emit_save_sse_regs_using_mov): New.
11914 (ix86_expand_prologue): Save SSE regs if needed.
11915 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
11916 (ix86_emit_restore_sse_regs_using_mov): New.
11917 (ix86_expand_epilogue): Save SSE regs if needed.
11918
11919 2009-01-06 Jan Hubicka <jh@suse.cz>
11920 Kai Tietz <kai.tietz@onevision.com>
11921
11922 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
11923 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
11924 functions when accumulate outgoing args is off.
11925
11926 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
11927
11928 PR bootstrap/38742
11929 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
11930 before using pseudos_have_intersected_live_ranges_p.
11931
11932 * ira-int.h (ira_assert): Always define.
11933
11934 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
11935
11936 AVX Programming Reference (December, 2008)
11937 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
11938 (_mm256_permute2_pd): Likewise.
11939 (_mm_permute2_ps): Likewise.
11940 (_mm256_permute2_ps): Likewise.
11941 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
11942 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
11943
11944 * config/i386/i386.c (ix86_builtins): Remove
11945 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
11946 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
11947 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
11948 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
11949 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
11950 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
11951 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
11952 __builtin_ia32_vpermil2ps256.
11953 (ix86_init_mmx_sse_builtins): Updated.
11954 (ix86_expand_args_builtin): Likewise.
11955
11956 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11957
11958 * pa.c (output_call): Relocate non-jump insns in the delay slot of
11959 long absolute calls when generating PA 2.0 code.
11960
11961 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
11962
11963 PR rtl-optimization/38583
11964 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
11965
11966 * params.def (ira-max-conflict-table-size): New.
11967
11968 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
11969
11970 * ira.h (ira_conflicts_p): New external definition.
11971
11972 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
11973 table. Report this. Return result of building.
11974 (ira_build_conflicts): Use ira_conflicts_p. Check result of
11975 building conflict table.
11976
11977 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
11978 (ira_color): Use ira_conflicts_p.
11979
11980 * global.c: Include ira.h.
11981 (pseudo_for_reload_consideration_p, build_insn_chain): Use
11982 ira_conflicts_p.
11983
11984 * Makefile.in (global.o): Add ira.h.
11985
11986 * ira-build.c (mark_all_loops_for_removal,
11987 propagate_some_info_from_allocno): New.
11988 (remove_unnecessary_allocnos): Call
11989 propagate_some_info_from_allocno.
11990 (remove_low_level_allocnos): New.
11991 (remove_unnecessary_regions): Add parameter. Call
11992 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
11993 parameter to remove_unnecessary_regions.
11994 (ira_build): Remove all regions but root if the conflict table was
11995 not built. Update conflict hard regs for allocnos crossing calls.
11996
11997 * ira.c (ira_conflicts_p): New global.
11998 (ira): Define and use ira_conflicts_p.
11999
12000 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
12001 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
12002 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
12003
12004 2009-01-06 Ben Elliston <bje@au.ibm.com>
12005
12006 * gengtype-lex.l (YY_NO_INPUT): Define.
12007
12008 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
12009
12010 PR c/34911
12011 * c-common.c (handle_vector_size_attribute): Also reject
12012 BOOLEAN_TYPE types.
12013
12014 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
12015
12016 PR tree-optimization/38492
12017 * graphite.c (rename_map_elt, debug_rename_elt,
12018 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
12019 rename_map_elt_info, eq_rename_map_elts,
12020 get_new_name_from_old_name, bb_in_sese_p): Moved around.
12021 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
12022 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
12023 (sese_build_livein_liveouts): New.
12024 (new_sese, free_sese): New.
12025 (new_scop): Call new_sese.
12026 (free_scop): Call free_sese.
12027 (rename_variables_from_edge, rename_phis_end_scop): Removed.
12028 (register_old_new_names): Renamed register_old_and_new_names.
12029 (register_scop_liveout_renames, add_loop_exit_phis,
12030 insert_loop_close_phis, struct igp,
12031 default_liveout_before_guard, add_guard_exit_phis,
12032 insert_guard_phis, copy_renames): New.
12033 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
12034 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
12035 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
12036 (scop_adjust_phis_for_liveouts): New.
12037 (gloog): Call scop_adjust_phis_for_liveouts.
12038
12039 * graphite.h (struct sese): Documented. Added fields liveout,
12040 num_ver and livein.
12041 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
12042 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
12043 (struct scop): Added field liveout_renames.
12044 (SCOP_LIVEOUT_RENAMES): New.
12045
12046 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
12047
12048 PR tree-optimization/38510
12049 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
12050 (translate_clast): Call recompute_all_dominators before
12051 graphite_verify.
12052 (gloog): Call recompute_all_dominators before graphite_verify.
12053
12054 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
12055 Jan Sjodin <jan.sjodin@amd.com>
12056
12057 PR tree-optimization/38500
12058 * graphite.c (create_sese_edges): Call fix_loop_structure after
12059 splitting blocks.
12060
12061 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
12062
12063 * config.gcc: Add m32r*-*-rtems*.
12064 * config/m32r/rtems.h: New file.
12065
12066 2009-01-05 Ben Elliston <bje@au.ibm.com>
12067
12068 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
12069 (.po.pox): Likewise.
12070 (po/gcc.pot): Likewise.
12071
12072 2009-01-04 David S. Miller <davem@davemloft.net>
12073
12074 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
12075 (STARTING_FRAME_OFFSET): Always set to zero.
12076
12077 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
12078
12079 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
12080 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
12081 fixed-point types, and vectors of the same.
12082
12083 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
12084
12085 * config/mips/sync.md (*mb_barrier): Rename to...
12086 (*memory_barrier): ...this.
12087
12088 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
12089
12090 * doc/extend.texi (Function Attributes): Move @cindex after @item
12091 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
12092 and put in alphabetical order. Fix 'target' name and put in order.
12093 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
12094 typos.
12095
12096 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
12097
12098 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
12099 (memory_barrier): Expand as unspec instead of unspec_volatile.
12100 Remove mem:BLK from insn operands. Use Pmode scratch register.
12101 (*memory_barrier): Define as unspec instead of unspec_volatile.
12102 Use (match_dup 0) as input operand.
12103
12104 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
12105 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
12106 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
12107 scratch register. Remove operand 1.
12108 (*stbar): Define as unspec instead of unspec_volatile.
12109 Use (match_dup 0) as input operand, remove (const_int 8).
12110 (*membar): Define as unspec instead of unspec_volatile.
12111 Use (match_dup 0) as input operand, remove input operand 2.
12112
12113 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
12114 (memory_barrier): Expand as unspec instead of unspec_volatile.
12115 Remove mem:BLK from insn operands. Use Pmode scratch register.
12116 (*memory_barrier): Define as unspec instead of unspec_volatile.
12117 Use (match_dup 0) as input operand.
12118
12119 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
12120 Remove mem:BLK from insn operands. Use Pmode scratch register.
12121 Set volatile flag on operand 0.
12122 (*memory_barrier): New insn pattern.
12123
12124 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
12125 insn operands.
12126 (*memory_barrier): Use (match_dup 0) as input operand.
12127
12128 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
12129 Remove mem:BLK from insn operands. Use Pmode scratch register.
12130 Set volatile flag on operand 0.
12131 (*mb_internal): New insn pattern.
12132
12133 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
12134
12135 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
12136
12137 PR middle-end/38586
12138 * function.c (struct temp_slot): Move to the section of the file
12139 that deals with temp slots. Remove field 'address'.
12140 (temp_slot_address_table): New hash table of address -> temp slot.
12141 (struct temp_slot_address_entry): New struct, items for the table.
12142 (temp_slot_address_compute_hash, temp_slot_address_hash,
12143 temp_slot_address_eq, insert_temp_slot_address): Support functions
12144 for the new table.
12145 (find_temp_slot_from_address): Rewrite to use the new hash table.
12146 (remove_unused_temp_slot_addresses): Remove addresses of temp
12147 slots that have been made available.
12148 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
12149 worker function for remove_unused_temp_slot_addresses.
12150 (assign_stack_temp_for_type): Don't clear the temp slot address list.
12151 Add the temp slot address to the address -> temp slot map.
12152 (update_temp_slot_address): Update via insert_temp_slot_address.
12153 (free_temp_slots): Call remove_unused_temp_slot_addresses.
12154 (pop_temp_slots): Likewise.
12155 (init_temp_slots): Allocate the address -> temp slot map, or empty
12156 the map if it is already allocated.
12157 (prepare_function_start): Initialize temp slot processing.
12158
12159 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
12160
12161 PR middle-end/38584
12162 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
12163 Calculate the size of all stack vars assuming no packing of stack
12164 vars will happen, replacing a quadratic algorithm with a linear one.
12165
12166 2009-01-03 Jakub Jelinek <jakub@redhat.com>
12167
12168 PR target/38707
12169 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
12170 can't be used.
12171
12172 2009-01-03 Diego Novillo <dnovillo@google.com>
12173
12174 * doc/contrib.texi: Update contributions.
12175
12176 2009-01-03 Jakub Jelinek <jakub@redhat.com>
12177
12178 PR c++/38705
12179 * builtins.c (fold_builtin_memory_op): Give up if either operand
12180 is volatile. Set srctype or desttype to non-qualified version
12181 of the other type.
12182
12183 PR c/38700
12184 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
12185 and FUNCTION_DECLs.
12186
12187 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
12188
12189 PR rtl-optimization/35805
12190 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
12191 problem if fast dce is able to remove any instructions.
12192 * dce.c (dce_process_block): Fix dump message.
12193
12194 2009-01-02 Mark Mitchell <mark@codesourcery.com>
12195
12196 PR 33649
12197 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
12198
12199 2009-01-02 Jakub Jelinek <jakub@redhat.com>
12200
12201 PR middle-end/38690
12202 * tree-flow.h (op_code_prio, op_prio): New prototypes.
12203 * tree-pretty-print.c (op_code_prio): New function.
12204 (op_prio): No longer static. Use op_code_prio.
12205 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
12206 Use op_prio and op_code_prio to determine if () should be
12207 printed around operand(s) or not.
12208
12209 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
12210 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
12211 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
12212 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
12213 pp_character instead of pp_string for single letter printing.
12214
12215 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
12216
12217 * doc/extend.texi: Fix '#pragma GCC option' typo.
12218
12219 2009-01-02 Richard Guenther <rguenther@suse.de>
12220
12221 * doc/install.texi (--enable-checking): Mention different
12222 default for stage1.
12223 (--enable-stage1-checking): Document.
12224
12225 2009-01-01 Andrew Pinski <pinskia@gmail.com>
12226
12227 PR middle-end/30142
12228 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
12229 case to be an error.
12230
12231 2009-01-02 Ben Elliston <bje@au.ibm.com>
12232
12233 * config/fp-bit.h (pack_d): Constify argument.
12234 * config/fp-bit.c (makenan): Constify return type. Remove casts.
12235 (isnan): Constify argument.
12236 (isinf): Likewise.
12237 (iszero): Likewise.
12238 (pack_d): Likewise.
12239 (_fpadd_parts): Constify return type.
12240 (_fpmul_parts): Likewise.
12241 (_fpdiv_parts): Likewise.
12242
12243 2009-01-01 Jakub Jelinek <jakub@redhat.com>
12244
12245 PR c/36489
12246 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
12247 warn about overwriting initializer with side-effects or
12248 -Woverride-init if !IMPLICIT.
12249 (output_init_element): Likewise. Pass IMPLICIT down to
12250 add_pending_init.
12251 (process_init_element): Add IMPLICIT argument. Pass it down
12252 to output_init_element.
12253 (push_init_element, pop_init_level, set_designator): Adjust
12254 process_init_element callers.
12255 (set_nonincremental_init, set_nonincremental_init_from_string):
12256 Adjust add_pending_init callers.
12257 (output_pending_init_elements): Adjust output_init_element callers.
12258 * c-tree.h (process_init_element): Adjust prototype.
12259 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
12260 process_init_element callers.
12261
12262 \f
12263 Copyright (C) 2009 Free Software Foundation, Inc.
12264
12265 Copying and distribution of this file, with or without modification,
12266 are permitted in any medium without royalty provided the copyright
12267 notice and this notice are preserved.