| blob | 33e3f05721189a80108f47c4b19a8a97a6cb0329 |
1 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3 PR middle-end/29274
4 * optabs.h (expand_widening_mult): Declare.
5 * tree-pass.h (pass_optimize_widening_mul): Declare.
6 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
7 gate_optimize_widening_mul): New static functions.
8 (pass_optimize_widening_mul): New.
9 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New
10 case.
11 <case MULT_EXPR>: Remove support for widening multiplies.
12 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
13 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
14 simplify_gen_unary rather than directly building extensions.
15 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
16 WIDEN_MULT_EXPR.
17 * expmed.c (expand_widening_mult): New function.
18 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
20 2010-04-21 Jan Hubicka <jh@suse.cz>
22 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
23 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
24 * lto-wpa-fixup.c: Remove.
25 * Makefile.in (lto-wpa-fixup.o): Remove.
26 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
27 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
28 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
30 2010-04-21 Jan Hubicka <jh@suse.cz>
32 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
33 add write_optimization_summary, read_optimization_summary.
34 (ipa_write_summaries_of_cgraph_node_set): Remove.
35 (ipa_write_optimization_summaries): Declare.
36 (ipa_read_optimization_summaries): Declare.
37 * ipa-cp.c (pass_ipa_cp): Update.
38 * ipa-reference.c (pass_ipa_reference): Update.
39 * ipa-pure-const.c (pass_ipa_pure_const): Update.
40 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
41 Update.
42 * ipa-inline.c (pass_ipa_inline): Update.
43 * ipa.c (pass_ipa_whole_program): Update.
44 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
45 * passes.c (ipa_write_summaries_1): Do not test wpa.
46 (ipa_write_optimization_summaries_1): New.
47 (ipa_write_optimization_summaries): New.
48 (ipa_read_summaries): Do not test ltrans.
49 (ipa_read_optimization_summaries_1): New.
50 (ipa_read_optimization_summaries): New.
52 2010-04-21 Jan Hubicka <jh@suse.cz>
54 * lto-cgraph.c (lto_output_node): Do not output comdat groups
55 for boundary nodes.
56 (output_cgraph): Do not arrange comdat groups for boundary nodes.
58 2010-04-21 Jakub Jelinek <jakub@redhat.com>
60 PR debug/40040
61 * dwarf2out.c (add_name_and_src_coords_attributes): Add
62 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
64 2010-04-21 Jan Hubicka <jh@suse.cz>
66 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
68 2010-04-21 Jan Hubicka <jh@suse.cz>
70 * varpool.c (decide_is_variable_needed): Variable is always needed
71 during ltrans.
73 2010-04-21 Jan Hubicka <jh@suse.cz>
75 * opts.c (decode_options): Enable pure-const pass for whopr.
77 2010-04-21 Jan Hubicka <jh@suse.cz>
79 * cgraph.c (dump_cgraph_node): Dump also assembler name.
80 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
81 at WPA dumping.
82 (cgraph_decide_inlining): Do not expect callee to be removed in all
83 cases.
85 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
87 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
89 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
91 * config/i386/i386.md (x86_shrd): Add athlon_decode and
92 amdfam10_decode attributes.
94 2010-04-21 Jakub Jelinek <jakub@redhat.com>
96 PR middle-end/43570
97 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
98 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
99 (lower_copyprivate_clauses): Use private var in outer
100 context instead of original var. Make sure the types
101 are correct for VLAs.
103 2010-04-21 Richard Guenther <rguenther@suse.de>
105 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
106 to non-pointer objects.
108 2010-04-21 Jakub Jelinek <jakub@redhat.com>
110 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
111 last chain entry if it starts with the still current label.
112 (add_location_or_const_value_attribute): Check that
113 loc_list->first->next is NULL instead of comparing ->first with
114 ->last.
115 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
116 to add_var_loc_to_decl.
118 * dwarf2out.c (output_call_frame_info): For dw_cie_version
119 >= 4 add also address size and segment size fields into CIE
120 header.
122 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
123 long as address size is the same as sizeof (void *) and
124 segment size is 0.
125 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
126 address size or segment size is unexpected, return DW_EH_PE_omit.
127 (classify_object_over_fdes): If get_cie_encoding returned
128 DW_EH_PE_omit, return -1.
129 (init_object): If classify_object_over_fdes returned -1,
130 pretend there were no FDEs at all.
132 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
134 * config/i386/i386.md (bswap<mode>2): Macroize expander from
135 bswap{si,di}2 using SWI48 mode iterator.
136 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
137 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
138 set modrm attribute of bswap insn to 0 and remove length attribute.
139 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
140 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
141 set mode attribute to <MODE> and remove length attribute.
143 2010-04-20 James E. Wilson <wilson@codesourcery.com>
145 PR rtl-optimization/43520
146 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
147 zero available registers.
149 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
151 * builtins.c (fold_builtin_cproj): Fold more cases.
153 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
155 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
156 (fold_builtin_1): Fold builtin cproj.
157 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
158 Use ATTR_CONST_NOTHROW_LIST.
160 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
162 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
163 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
164 ffsi2_no_cmove for !TARGET_CMOVE.
165 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
166 (ffssi2): Remove expander.
167 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
168 mode iterator.
169 (ctz<mode>2): Ditto from ctz{si,di}2.
170 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
171 mode iterator.
172 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
173 mode iterator.
175 2010-04-20 Jakub Jelinek <jakub@redhat.com>
177 * dwarf2out.c (AT_linkage_name): Define.
178 (clone_as_declaration): Handle DW_AT_linkage_name.
179 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
180 of DW_AT_MIPS_linkage_name.
181 (move_linkage_attr): Likewise.
182 (dwarf2out_finish): Likewise.
184 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
186 PR middle-end/41952
187 * fold-const.c (fold_comparison): New folding rule.
189 2010-04-20 Anatoly Sokolov <aesok@post.ru>
191 * double-int.h (double_int_setbit): Declare.
192 * double-int.c (double_int_setbit): New function.
193 * rtl.h (immed_double_int_const): Declare.
194 * emit-rtl.c (immed_double_int_const): New function.
195 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
196 and immed_double_int_const functions.
197 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
198 expand_copysign_bit): (Ditto.).
199 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
200 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
201 * dojump.c (prefer_and_bit_test): (Ditto.).
202 * expr.c (convert_modes, reduce_to_bit_field_precision,
203 const_vector_from_tree): (Ditto.).
204 * expmed.c (mask_rtx, lshift_value): (Ditto.).
206 2010-04-20 Jan Hubicka <jh@suse.cz>
208 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
209 (dump_cgraph_node): Dump new flags.
210 * cgraph.h (struct cgraph_node): Add flags
211 reachable_from_other_partition and in_other_partition.
212 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
213 other partition can not be removed.
214 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
215 the other partition must be output; silence sanity checking on
216 leaking functions bodies from other paritition.
217 * lto-cgraph.c (reachable_from_other_partition_p): New function.
218 (lto_output_node): Output new flags; do not sanity check that inline
219 clones are output; drop lto_forced_extern_inline_p code; do not mock
220 visibility flags at partition boundaries.
221 (add_node_to): New function.
222 (output_cgraph): Use it to sort functions so masters appear before
223 clones.
224 (input_overwrite_node): Input new flags.
225 * passes.c (ipa_write_summaries): Do not call
226 lto_new_extern_inline_states.
227 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
228 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
229 lto_forced_extern_inline_p): Kill.
230 * lto-streamer.h (lto_new_extern_inline_states,
231 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
232 lto_forced_extern_inline_p): Kill.
234 2010-04-20 Richard Guenther <rguenther@suse.de>
236 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
237 from vars that can have pointers.
238 (process_constraint): Dump useless constraints.
240 2010-04-20 Richard Guenther <rguenther@suse.de>
242 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
243 (dump_sa_points_to_info): Remove asserts.
244 (init_base_vars): nothing_id isn't an escape point nor does it
245 have pointers.
247 2010-04-20 Jakub Jelinek <jakub@redhat.com>
249 * tree.h (TYPE_REF_IS_RVALUE): Define.
250 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
251 should_move_die_to_comdat, prune_unused_types_walk): Handle
252 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
253 (modified_type_die, gen_reference_type_die): Emit
254 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
255 if TYPE_REF_IS_RVALUE and -gdwarf-4.
257 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
259 PR target/43635
260 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
261 calls for -fpic -m31 if they have been sibcall optimized.
263 2010-04-19 James E. Wilson <wilson@codesourcery.com>
265 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
266 ar.lc fixed and call-used.
268 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
270 2010-04-19 Jan Hubicka <jh@suse.cz>
272 * opts.c (decode_options): Disable whpr incompatible passes.
273 * lto/lto.c (lto_1_to_1_map): Skip clones.
274 (read_cgraph_and_symbols): Do not mark everything as needed.
275 (do_whole_program_analysis): Do map only after optimizing;
276 set proper cgraph_state; use passmanager.
278 2010-04-19 DJ Delorie <dj@redhat.com>
280 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
281 POINTER_PLUS_EXPR and fix them.
283 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
285 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
286 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
287 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
288 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
289 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
290 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
291 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
292 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
293 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
294 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
295 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
297 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
299 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
300 (check_cond_move_block): Likewise.
301 (cond_move_process_if_block): Likewise.
302 (noce_find_if_block): Improve formatting.
303 (find_if_header): Pass 0 to memset and tweak conditions.
304 (cond_exec_find_if_block): Fix long lines and tweak conditions.
306 2010-04-19 Jakub Jelinek <jakub@redhat.com>
308 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
309 for -gdwarf-4.
311 PR middle-end/43337
312 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
313 with non-local decl doesn't need chain.
315 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
317 * ira-color.c (allocno_reload_assign): Avoid accumulating
318 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
320 2010-04-19 Martin Jambor <mjambor@suse.cz>
322 * gimple.h (create_tmp_reg): Declare.
323 * gimplify.c (create_tmp_reg): New function.
324 (gimplify_return_expr): Use create_tmp_reg.
325 (gimplify_omp_atomic): Likewise.
326 (gimple_regimplify_operands): Likewise.
327 * tree-dfa.c (make_rename_temp): Likewise.
328 * tree-predcom.c (predcom_tmp_var): Likewise.
329 (reassociate_to_the_same_stmt): Likewise.
330 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
331 (get_replaced_param_substitute): Likewise.
332 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
333 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
334 * tree-ssa-pre.c (get_representative_for): Likewise.
335 (create_expression_by_pieces): Likewise.
336 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
337 (create_tailcall_accumulator): Likewise.
339 2010-04-19 Martin Jambor <mjambor@suse.cz>
341 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
342 new_stmt.
343 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
345 2010-04-19 Richard Guenther <rguenther@suse.de>
347 PR tree-optimization/43796
348 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
349 from SCEV in the lattice.
350 (vrp_visit_phi_node): Dump change.
352 2010-04-19 Richard Guenther <rguenther@suse.de>
354 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
355 * configure: Re-generated.
357 2010-04-19 Richard Guenther <rguenther@suse.de>
359 PR tree-optimization/43783
360 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
361 constant ARRAY_REF operands two and three if possible.
363 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
365 PR target/43766
366 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
368 2010-04-19 Jie Zhang <jie@codesourcery.com>
370 PR target/43662
371 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
373 2010-04-19 Ira Rosen <irar@il.ibm.com>
375 PR tree-optimization/37027
376 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
377 and macro to access it.
378 (vectorizable_reduction): Add argument.
379 (vect_get_slp_defs): Likewise.
380 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
381 statements for possible use in SLP.
382 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
383 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
384 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
385 add new argument.
386 (vectorizable_reduction): Likewise.
387 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
388 vect_get_slp_defs.
389 (vectorizable_type_demotion, vectorizable_type_promotion,
390 vectorizable_store): Likewise.
391 (vect_analyze_stmt): Update call to vectorizable_reduction.
392 (vect_transform_stmt): Likewise.
393 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
394 (vect_build_slp_tree): Fix indentation. Check that there are no loads
395 from different interleaving chains in same node.
396 (vect_slp_rearrange_stmts): New function.
397 (vect_supported_load_permutation_p): Allow load permutations for
398 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
399 inside SLP nodes if necessary.
400 (vect_analyze_slp_instance): Handle reductions.
401 (vect_analyze_slp): Try to build SLP instances originating from groups
402 of reductions.
403 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
404 (vect_get_constant_vectors): Create initial vectors for reductions
405 according to reduction code. Add new argument.
406 (vect_get_slp_defs): Add new argument, pass it to
407 vect_get_constant_vectors.
408 (vect_schedule_slp_instance): Remove SLP tree root statements.
410 2010-04-19 Jakub Jelinek <jakub@redhat.com>
412 * tree.h (ENUM_IS_SCOPED): Define.
413 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
414 for ENUM_IS_SCOPED enums.
416 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
418 * fold-const.c (fold_comparison): Use ssizetype.
419 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
420 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
421 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
422 * tree-object-size.c (compute_object_sizes): Use size_type_node.
424 * tree.h (initialize_sizetypes): Remove parameter.
425 (build_common_tree_nodes): Remove second parameter.
426 * stor-layout.c (initialize_sizetypes): Remove parameter.
427 Always create an unsigned type.
428 (set_sizetype): Assert that the passed type is unsigned and simplify.
429 * tree.c (build_common_tree_nodes): Remove second parameter.
430 Adjust call to initialize_sizetypes.
431 * c-decl.c (c_init_decl_processing): Remove second argument in call to
432 build_common_tree_nodes.
434 2010-04-18 Matthias Klose <doko@ubuntu.com>
436 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
438 2010-04-18 Ira Rosen <irar@il.ibm.com>
440 PR tree-optimization/43771
441 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
442 load permutation doesn't have gaps.
444 2010-04-18 Jan Hubicka <jh@suse.cz>
446 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
447 (sse_prologue_save_insn expander): Use new pattern.
448 (sse_prologue_save_insn1): New pattern and splitter.
449 (sse_prologue_save_insn): Update to deal also with 64bit aligned
450 blocks.
451 * i386.c (setup_incoming_varargs_64): Do not compute jump
452 destination here.
453 (ix86_gimplify_va_arg): Update alignment needed.
454 (ix86_local_alignment): Do not align all local arrays to 128bit.
456 2010-04-17 Jan Hubicka <jh@suse.cz>
458 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
460 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
462 * arm.md (negdi2): Remove redundant code to force values into a
463 register.
465 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
467 * arm/bpabi.S: Add EABI alignment attributes to objects.
468 * arm/bpabi-v6m.S: Likewise.
469 * arm/crti.asm: Likewise.
470 * arm/crtn.asm: Likewise.
471 * arm/lib1funcs.asm: Likewise.
472 * arm/libunwind.S: Likewise.
474 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
476 * arm-protos.h (tune_params): New structure.
477 * arm.c (current_tune): New variable.
478 (arm_constant_limit): Delete.
479 (struct processors): Add pointer to the tune parameters.
480 (arm_slowmul_tune): New tuning option.
481 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
482 (all_cores): Adjust to pick up the tuning model.
483 (arm_constant_limit): New function.
484 (arm_override_options): Select the appropriate tuning model. Delete
485 initialization of arm_const_limit.
486 (arm_split_constant): Use the new constant-limit model.
487 (arm_rtx_costs): Pick up the current tuning model.
488 * arm.md (is_strongarm, is_xscale): Delete.
489 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
490 for Xscale variant architectures.
491 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
493 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
495 * config/arm/arm.c (arm_gen_constant): Remove unused variable
496 can_shift.
497 (arm_rtx_costs_1): Remove unused variable extra_cost.
498 (arm_unwind_emit_set): Use variable offset.
499 (thumb1_output_casesi): Remove unused variable flags.
501 2010-04-16 Jeff Law <law@redhat.com>
503 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
504 needing assignment rather than doing a two-phase assignment. Remove
505 unused variable 'm'.
507 2010-04-16 Jakub Jelinek <jakub@redhat.com>
509 PR bootstrap/43767
510 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
512 2010-04-16 Doug Kwan <dougkwan@google.com>
514 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
515 (next_operand_entry_id): New static variable.
516 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
517 (add_to_ops_vec): Assigned unique ID to operand entry.
518 (struct oecount_s): New field ID.
519 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
520 (undistribute_ops_list): Assign unique IDs to oecounts.
521 (init_reassoc): reset next_operand_entry_id.
523 2010-04-16 Doug Kwan <dougkwan@google.com>
525 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
526 missing left parenthesis.
528 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
530 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
531 *btdi_rex64 using SWI48 mode iterator.
532 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
533 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
534 *jcc_btdi_mask_rex64.
536 2010-04-16 Anatoly Sokolov <aesok@post.ru>
538 * double-int.h (tree_to_double_int): Convert to macro.
539 * double-int.c (tree_to_double_int): Remove.
541 2010-04-16 Jakub Jelinek <jakub@redhat.com>
543 PR debug/43762
544 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
545 with want_address 2 and in case a single element list might be
546 possible, call it again with want_address 0.
548 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
550 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
551 case 'W' print operands for HI mode.
552 * config/h8300/h8300.h (Y0, Y2) : New constraints.
553 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
554 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
555 * config/h8300/predicate.md (bit_register_indirect_operand): New.
557 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
559 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
560 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
561 #xx:3 and #xx:4 mode.
563 * config/h8300/h8300.md (inverted load with HImode dest): Add
564 support for H8300SX.
566 * config/h8300/predicate.md (bit_operand): Allow immediate values that
567 satisfy 'U' constraint.
569 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
571 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
572 * configure: Regenerate.
573 * config.in: Regenerate.
574 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
575 works.
577 2010-04-16 Richard Guenther <rguenther@suse.de>
579 * tree.h (struct tree_decl_minimal): Move pt_uid ...
580 (struct tree_decl_common): ... here.
581 (DECL_PT_UID): Adjust.
582 (SET_DECL_PT_UID): Likewise.
583 (DECL_PT_UID_SET_P): Likewise.
585 2010-04-16 Richard Guenther <rguenther@suse.de>
587 PR tree-optimization/43572
588 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
589 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
590 * tree-flow.h (is_call_clobbered): Remove.
591 * tree-flow-inline.h (is_call_clobbered): Likewise.
592 * tree-dfa.c (dump_variable): Do not dump call clobber state.
593 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
594 (execute_return_slot_opt): Adjust.
595 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
596 check for call clobbered vars here.
597 (find_tail_calls): Move tailcall verification to the
598 proper place.
600 2010-04-16 Diego Novillo <dnovillo@google.com>
602 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
604 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
606 PR target/40603
607 * config/arm/arm.md (cbranchqi4): New pattern.
608 * config/arm/predicates.md (const0_operand,
609 cbranchqi4_comparison_operator): New predicates.
611 2010-04-16 Richard Guenther <rguenther@suse.de>
613 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
614 (dump_gimple_stmt): Likewise.
616 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
618 * recog.h (struct recog_data): New field is_operator.
619 (struct insn_operand_data): New field is_operator.
620 * recog.c (extract_insn): Set recog_data.is_operator.
621 * genoutput.c (output_operand_data): Emit code to set the
622 is_operator field.
623 * reload.c (find_reloads): Use it rather than testing for an
624 empty constraint string.
626 PR target/41514
627 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
628 If the previous insn is a cbranchsi4_insn with the same arguments,
629 omit the compare instruction.
631 * config/arm/arm.md (addsi3_cbranch): If destination is a high
632 register, inputs must be low registers and we need a low register
633 scratch. Handle alternative 2 like alternative 3.
635 2010-04-16 Jakub Jelinek <jakub@redhat.com>
637 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
638 don't call get_addr on both. If one expression is a VALUE and
639 the other a REG, check VALUE's locs if the REG isn't among them.
641 2010-04-16 Christian Bruel <christian.bruel@st.com>
643 * config/sh/sh.h (sh_frame_pointer_required): New function.
644 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
645 (flag_omit_frame_pointer) Set.
646 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
647 (rounded_frame_size): Adjust size with outgoing_args_size.
648 (sh_set_return_address): Must return from stack pointer.
649 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
650 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
651 (ACCUMULATE_OUTGOING_ARGS): Define.
652 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
653 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
655 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
657 PR target/43471
658 * config/sh/sh.c (sh_legitimize_reload_address): Use
659 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
660 Remove a unneeded check for offset_base.
662 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
664 * configure: Regenerated.
666 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
668 * config/s390/s390.c (s390_call_save_register_used): Switch back
669 to HARD_REGNO_NREGS.
671 2010-04-15 Richard Guenther <rguenther@suse.de>
673 * alias.c (alias_set_subset_of): Handle alias-set zero
674 child properly.
676 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
677 Julian Brown <julian@codesourcery.com>
679 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
680 alternatives according to use of high and low regs.
681 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
682 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
683 optimizing for size on Thumb-2.
685 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
687 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
689 2010-04-15 Richard Guenther <rguenther@suse.de>
691 * tree-ssa-structalias.c (struct variable_info): Add
692 is_fn_info flag.
693 (new_var_info): Initialize it.
694 (dump_constraints): Support printing last added constraints.
695 (debug_constraints): Adjust.
696 (dump_constraint_graph): Likewise.
697 (make_heapvar_for): Check for NULL cfun.
698 (get_function_part_constraint): New function.
699 (get_fi_for_callee): Likewise.
700 (find_func_aliases): Properly implement IPA PTA constraints.
701 (process_ipa_clobber): New function.
702 (find_func_clobbers): Likewise.
703 (insert_into_field_list_sorted): Remove.
704 (create_function_info_for): Properly allocate vars for IPA mode.
705 Do not use insert_into_field_list_sorted.
706 (create_variable_info_for): Properly generate constraints for
707 global vars in IPA mode.
708 (dump_solution_for_var): Always dump the solution.
709 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
710 (find_what_var_points_to): Adjust.
711 (pt_solution_set): Change.
712 (pt_solution_ior_into): New function.
713 (pt_solution_empty_p): Export.
714 (pt_solution_includes_global): Adjust.
715 (pt_solution_includes_1): Likewise.
716 (pt_solutions_intersect_1): Likewise.
717 (dump_sa_points_to_info): Check some invariants.
718 (solve_constraints): Move constraint dumping ...
719 (compute_points_to_sets): ... here.
720 (ipa_pta_execute): ... and here.
721 (compute_may_aliases): Do not re-compute points-to info
722 locally if IPA info is available.
723 (ipa_escaped_pt): New global var.
724 (ipa_pta_execute): Properly implement IPA PTA.
725 * tree-into-ssa.c (dump_decl_set): Support dumping
726 decls not in referenced-vars.
727 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
728 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
729 (dump_points_to_solution): Likewise.
730 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
731 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
732 (remap_gimple_stmt): Reset call clobber/use information if necessary.
733 (copy_decl_to_var): Copy DECL_PT_UID.
734 (copy_result_decl_to_var): Likewise.
735 * tree.c (make_node_stat): Initialize DECL_PT_UID.
736 (copy_node_stat): Copy it.
737 * tree.h (DECL_PT_UID): New macro.
738 (SET_DECL_PT_UID): Likewise.
739 (DECL_PT_UID_SET_P): Likewise.
740 (struct tree_decl_minimal): Add pt_uid member.
741 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
742 (pt_solution_empty_p): Declare.
743 (pt_solution_set): Adjust.
744 (ipa_escaped_pt): Declare.
745 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
746 * gimple-pretty-print.c (pp_points_to_solution): New function.
747 (dump_gimple_call): Dump call clobber/use information.
748 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
749 * tree-pass.h (TDF_ALIAS): New dump option.
750 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
751 * doc/invoke.texi (-fipa-pta): Update documentation.
753 2010-04-15 Richard Guenther <rguenther@suse.de>
755 * Makefile.in (OBJS-common): Add gimple-fold.o.
756 (gimple-fold.o): New rule.
757 * tree.h (maybe_fold_offset_to_reference,
758 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
759 prototypes ...
760 * gimple.h: ... here.
761 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
762 may_propagate_address_into_dereference): Move prototypes ...
763 * gimple.h: ... here.
764 * tree-ssa-ccp.c (get_symbol_constant_value,
765 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
766 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
767 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
768 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
769 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
770 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
771 gimplify_and_update_call_from_tree): Move ...
772 * gimple-fold.c: ... here. New file.
773 (ccp_fold_builtin): Rename to ...
774 (gimple_fold_builtin): ... this.
775 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
777 2010-04-15 Richard Guenther <rguenther@suse.de>
779 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
780 fit_double_type, force_fit_type_double, add_double_with_sign,
781 neg_double, mul_double_with_sign, lshift_double, rshift_double,
782 lrotate_double, rrotate_double, div_and_round_double): Move ...
783 * double-int.c: ... here.
784 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
785 add_double, neg_double, mul_double_with_sign, mul_double,
786 lshift_double, rshift_double, lrotate_double, rrotate_double,
787 div_and_round_double): Move prototypes ...
788 * double-int.h: ... here.
790 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
792 PR target/43742
793 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
794 matching constraints to ensure inputs match the output.
796 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
798 PR target/43742
799 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
800 in an input-only operand.
802 2010-04-15 Anatoly Sokolov <aesok@post.ru>
804 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
805 (double_int_not, double_int_lshift, double_int_rshift): Declare.
806 (double_int_negative_p): Convert to static inline function.
807 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
808 (double_int_negative_p): Remove.
809 * tree.h (lshift_double, rshift_double):
810 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
811 * fold-const.c (fold_convert_const_int_from_real,
812 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
813 (lshift_double): Change type of arith argument to bool.
814 (rshift_double): Change type of arith argument to bool. Correct
815 comment.
816 * expmed.c (mask_rtx, lshift_value): (Ditto.).
818 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
820 PR target/21803
821 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
822 at the start and end of the then/else blocks, and omit them from the
823 conversion.
824 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
825 argument; all callers changed. Pass zero to old_insns_match_p instead.
826 (flow_find_head_matching_sequence): New function.
827 (old_insns_match_p): Check REG_EH_REGION notes for calls.
828 * basic-block.h (flow_find_cross_jump,
829 flow_find_head_matching_sequence): Declare functions.
831 2010-04-14 Jason Merrill <jason@redhat.com>
833 PR c++/36625
834 * c-common.c (attribute_takes_identifier_p): New fn.
835 * c-common.h: Declare it.
837 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
839 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
840 splitter condition.
841 (*udivmod<mode>4): Ditto.
843 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
845 * config/i386/i386.md (maxmin_int): Rename code attribute from
846 maxminiprefix and update all users.
847 (maxmin_float): Ditto from maxminfprefix.
848 (logic): Ditto from logicprefix.
849 (absneg_mnemonic): Ditto from absnegprefix.
850 * config/i386/mmx.md: Update all users of maxminiprefix,
851 maxminfprefix and logicprefix for rename.
852 * config/i386/sse.md: Ditto.
853 * config/i386/sync.md (sync_<code><mode>): Update for
854 logicprefix rename.
856 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
858 PR 42966
859 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
860 warnings converted to errors.
862 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
864 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
865 used insn_type variable.
866 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
867 to avoid set-but-not-used warning.
869 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
871 * df-core.c (df_ref_debug): Change format string placeholder
872 from 0x%x to %#x.
873 * dwarf2asm.c (dw2_asm_output_data_raw,
874 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
875 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
876 * dwarf2out.c (output_cfi, output_cfi_directive,
877 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
878 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
879 Ditto.
880 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
881 * print-rtl.c (print_rtx): Ditto.
883 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
885 PR middle-end/42694
886 * builtins.c (expand_builtin_pow_root): New function to expand pow
887 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
888 series of sqrt and cbrt calls under -ffast-math.
889 (expand_builtin_pow): Call it.
891 2010-04-14 Michael Matz <matz@suse.de>
893 PR tree-optimization/42963
894 * tree-cfg.c (touched_switch_bbs): New static variable.
895 (group_case_labels_stmt): New function broken out from ...
896 (group_case_labels): ... here, use the above.
897 (start_recording_case_labels): Allocate touched_switch_bbs.
898 (end_recording_case_labels): Deallocate it, call
899 group_case_labels_stmt.
900 (gimple_redirect_edge_and_branch): Remember index of affected BB.
902 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
904 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
905 from insn template.
907 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
909 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
911 2010-04-13 Jan Hubicka <jh@suse.cz>
913 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
914 of optimized out static functions.
915 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
916 cost computation. Also sanity check for overflows.
917 (update_caller_keys): Update cgraph_edge_badness call; properly
918 update fibheap and sanity check that it is up to date.
919 (add_new_edges_to_heap): Update cgraph_edge_badness.
920 (cgraph_decide_inlining_of_small_function): Likewise;
921 add sanity checking that badness in heap is up to date;
922 improve dumping of reason; Update badness of calls to the
923 offline copy of function currently inlined; dump badness
924 of functions not inlined because of unit growth limits.
926 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
928 PR middle-end/32628
929 * c-common.c (pointer_int_sum): Disregard overflow that occured only
930 because of sign-extension change when converting to sizetype here...
931 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
933 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
934 the folding to constants. Remove redundant final conversion.
935 (fold_binary) <associate>: Do not associate if the re-association of
936 constants alone overflows.
937 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
938 to the end of the list.
939 (multiple_of_p) <COND_EXPR>: New case.
941 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
943 * opt-functions.awk (opt_sanitized_name): New.
944 (opt_enum): New.
945 * optc-gen.awk: Use it
946 * opth-gen.awk: Use it.
948 2010-04-13 Martin Jambor <mjambor@suse.cz>
950 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
951 (sra_modify_assign): Delete stmts loading dead data even if racc has no
952 children. Call replace_uses_with_default_def_ssa_name to handle
953 SSA_NAES on lhs.
955 2010-04-13 Michael Matz <matz@suse.de>
957 PR middle-end/43730
958 * builtins.c (expand_builtin_interclass_mathfn): Also create
959 a register if the predicate doesn't match.
961 2010-04-13 Diego Novillo <dnovillo@google.com>
963 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
964 * c-pch.c: Include timevar.h.
965 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
966 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
967 * ggc-common.c: Include timevar.h.
968 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
969 * timevar.def (TV_PCH_SAVE): Define.
970 (TV_PCH_CPP_SAVE): Define.
971 (TV_PCH_PTR_REALLOC): Define.
972 (TV_PCH_PTR_SORT): Define.
973 (TV_PCH_RESTORE): Define.
974 (TV_PCH_CPP_RESTORE): Define.
976 2010-04-13 Michael Matz <matz@suse.de>
978 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
979 into MINUS_EXPRs.
980 (can_reassociate_p): New function.
981 (break_up_subtract_bb, reassociate_bb): Use it.
983 2010-04-13 Richard Guenther <rguenther@suse.de>
985 PR bootstrap/43737
986 * builtins.c (c_readstr): Fix assert.
988 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
990 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
991 when generating cltd insn.
993 (*ashl<mode>3_1): Remove special handling for register operand 2.
994 (*ashlsi3_1_zext): Ditto.
995 (*ashlhi3_1): Ditto.
996 (*ashlhi3_1_lea): Ditto.
997 (*ashlqi3_1): Ditto.
998 (*ashlqi3_1_lea): Ditto.
999 (*<shiftrt_insn><mode>3_1): Ditto.
1000 (*<shiftrt_insn>si3_1_zext): Ditto.
1001 (*<shiftrt_insn>qi3_1_slp): Ditto.
1002 (*<rotate_insn><mode>3_1): Ditto.
1003 (*<rotate_insn>si3_1_zext): Ditto.
1004 (*<rotate_insn>qi3_1_slp): Ditto.
1006 2010-04-13 Richard Guenther <rguenther@suse.de>
1008 * tree-ssa-structalias.c (callused_id): Remove.
1009 (call_stmt_vars): New.
1010 (get_call_vi): Likewise.
1011 (lookup_call_use_vi): Likewise.
1012 (lookup_call_clobber_vi): Likewise.
1013 (get_call_use_vi): Likewise.
1014 (get_call_clobber_vi): Likewise.
1015 (make_transitive_closure_constraints): Likewise.
1016 (handle_const_call): Adjust to do per-call call-used handling.
1017 (handle_pure_call): Likewise.
1018 (find_what_var_points_to): Remove general callused handling.
1019 (init_base_vars): Likewise.
1020 (init_alias_vars): Initialize call_stmt_vars.
1021 (compute_points_to_sets): Process call-used and call-clobbered
1022 vars for call statements.
1023 (delete_points_to_sets): Free call_stmt_vars.
1025 2010-04-13 Richard Guenther <rguenther@suse.de>
1027 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1028 Only add RW dependence for dependence distance zero.
1029 Adjust maximal vectorization factor according to dependences.
1030 Move alignment handling ...
1031 (vect_find_same_alignment_drs): ... here. New function.
1032 (vect_analyze_data_ref_dependences): Adjust.
1033 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1034 (vect_analyze_data_refs): Adjust minimal vectorization factor
1035 according to data references.
1036 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1037 dependences before determining the vectorization factor.
1038 Analyze alignment after determining the vectorization factor.
1039 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1040 dependences before alignment.
1041 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1042 Adjust prototype.
1043 (vect_analyze_data_refs): Likewise.
1044 (MAX_VECTORIZATION_FACTOR): New define.
1046 2010-04-13 Duncan Sands <baldrick@free.fr>
1048 * except.h (lang_eh_type_covers): Remove.
1049 * except.c (lang_eh_type_covers): Likewise.
1051 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1052 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1054 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1055 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1056 UNITS_PER_LONG where it is ABI relevant.
1057 (s390_return_addr_rtx): Likewise.
1058 (s390_back_chain_rtx): Likewise.
1059 (s390_frame_area): Likewise.
1060 (s390_frame_info): Likewise.
1061 (s390_initial_elimination_offset): Likewise.
1062 (save_gprs): Likewise.
1063 (s390_emit_prologue): Likewise.
1064 (s390_emit_epilogue): Likewise.
1065 (s390_function_arg_advance): Likewise.
1066 (s390_function_arg): Likewise.
1067 (s390_va_start): Likewise.
1068 (s390_gimplify_va_arg): Likewise.
1069 (s390_function_profiler): Likewise.
1070 (s390_optimize_prologue): Likewise.
1071 (s390_rtx_costs): Likewise.
1072 (s390_secondary_reload): Likewise.
1073 (s390_promote_function_mode): Likewise.
1074 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1075 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1076 registers available.
1077 (s390_unwind_word_mode): New function.
1078 (s390_function_value): Split 64 bit values into register pair if
1079 used as return value.
1080 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1081 function call parameters. Handle parallels.
1082 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1083 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1084 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1085 (s390_expand_setmem): Remove unused variable src_addr.
1086 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1087 deal with 64 bit registers.
1088 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1089 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1090 (UNITS_PER_LONG): New macro.
1091 * libjava/include/s390-signal.h: Define extended ucontext
1092 structure containing the upper halfs of the 64 bit registers.
1094 2010-04-13 Simon Baldwin <simonb@google.com>
1096 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1098 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1100 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1101 rvalue on the RHS if the LHS is of a non-renamable type.
1102 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1104 2010-04-13 Matthias Klose <doko@ubuntu.com>
1106 * gcc.c (cc1_options): Handle -iplugindir before processing
1107 the cc1 spec. Only add -iplugindir once.
1108 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1109 found.
1110 * common.opt (iplugindir): Remove `Separate' property, initialize.
1111 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1112 option.
1113 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1114 (distclean): Remove plugin dir.
1115 * doc/invoke.texi: Document -iplugindir.
1117 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1119 * doc/plugins.texi (Loading Plugins): Document short
1120 -fplugin=foo option.
1121 (Plugin API): Mention default_plugin_dir_name function.
1123 * gcc.c (find_file_spec_function): Add new declaration.
1124 (static_spec_func): Use it for "find-file".
1125 (find_file_spec_function): Add new function.
1126 (cc1_options): Add -iplugindir option if -fplugin* options found.
1128 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1130 * plugin.c (add_new_plugin): Updated comment, and handle short
1131 plugin name.
1132 (default_plugin_dir_name): Added new function.
1134 * common.opt (iplugindir): New option to set the plugin directory.
1136 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1138 * config/i386/i386.md (any_rotate): New code iterator.
1139 (rotate_insn): New code attribute.
1140 (rotate): Ditto.
1141 (SWIM124): New mode iterator.
1142 (<rotate_insn>ti3): New expander.
1143 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1144 any_rotate code iterator.
1145 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1146 using any_rotate code iterator and SWIM124 mode iterator.
1147 (ix86_rotlti3): New insn_and_split pattern.
1148 (ix86_rotrti3): Ditto.
1149 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1150 ix86_rotl{di,ti}3 patterns.
1151 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1152 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1153 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1154 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1155 code iterator and SWI mode iterator.
1156 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1157 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1158 code iterator.
1159 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1160 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1161 (bswap rotatert splitter): Add splitter.
1162 (bswap splitter): Macroize splitter using any_rotate code iterator.
1163 Add insn predicate to split only for TARGET_USE_XCHGB or when
1164 optimizing function for size.
1166 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1168 * config/pa/pa.c (emit_move_sequence): Remove use of
1169 deleted variable flag_argument_noalias.
1171 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1173 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1174 configurations.
1175 Add to unsupported targets list.
1176 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1177 sparc*-sun-solaris2.[567]* from target lists.
1178 * configure: Regenerate.
1179 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1180 removal.
1181 Remove Solaris 7 patch references.
1182 (Specific, sparc-sun-solaris2.7): Removed.
1183 (sparc-sun-solaris2*): Update Solaris 7 example.
1184 (sparc64-*-solaris2*): Likewise.
1186 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1188 * config.build (alpha*-dec-osf4*): Remove.
1189 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1190 of obsolete configurations.
1191 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1192 support.
1193 * config/alpha/t-osf4: Renamed to ...
1194 * config/alpha/t-osf5: ... this.
1195 * config/alpha/osf.h: Renamed to ...
1196 * config/alpha/osf5.h: ... this.
1197 Merged old osf5.h contents.
1198 Update comments.
1199 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1200 (EXTRA_SPECS): Removed.
1201 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1202 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1203 Document that.
1205 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1207 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1209 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1211 PR/43702
1212 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1213 __thiscall convention.
1215 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1217 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1218 orig_base.
1219 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1221 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1223 * function.c (assign_parms_initialize_all): Add unused attribute
1224 to fntype.
1226 2010-04-12 Richard Guenther <rguenther@suse.de>
1228 * gsstruct.def (GSS_CALL): New.
1229 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1230 * gimple.h: Include tree-ssa-alias.h.
1231 (struct gimple_statement_call): New.
1232 (union gimple_statement_struct_d): Add gimple_call member.
1233 (gimple_call_reset_alias_info): Declare.
1234 (gimple_call_use_set): New function.
1235 (gimple_call_clobber_set): Likewise.
1236 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1237 * gimple.c (gimple_call_reset_alias_info): New function.
1238 (gimple_build_call_1): Call it.
1239 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1240 * tree-inline.c (remap_gimple_stmt): Likewise.
1241 (expand_call_inline): Remove callused handling.
1242 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1243 * tree-dfa.c (dump_variable): Likewise.
1244 * tree-parloops.c (parallelize_loops): Likewise.
1245 * tree-ssa.c (init_tree_ssa): Likewise.
1246 (delete_tree_ssa): Likewise.
1247 * tree-flow-inline.h (is_call_used): Remove.
1248 * tree-flow.h (struct gimple_df): Remove callused member.
1249 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1250 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1251 (ref_maybe_used_by_call_p_1): Simplify.
1252 (call_may_clobber_ref_p_1): Likewise.
1253 * tree-ssa-structalias.c (compute_points_to_sets): Set
1254 the call stmt used and clobbered sets.
1255 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1256 (find_tail_calls): Verify the tail call.
1258 2010-04-12 Richard Guenther <rguenther@suse.de>
1260 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1261 single-iteration always-inline inlining.
1262 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1263 (cgraph_decide_inlining): Do not handle always-inline specially.
1264 (try_inline): Remove always-inline cycle detection special case.
1265 Do not recurse on always-inlines.
1266 (cgraph_early_inlining): Do not iterate if not optimizing.
1267 (cgraph_gate_early_inlining): remove.
1268 (pass_early_inline): Run unconditionally.
1269 (gate_cgraph_decide_inlining): New function.
1270 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1271 not inlining or optimizing.
1272 (cgraph_decide_inlining_of_small_functions): Also consider
1273 always-inline functions.
1274 (cgraph_default_inline_p): Return true for nodes which should
1275 disregard inline limits.
1276 (estimate_function_body_sizes): Assume zero size and time for
1277 nodes which are marked as disregarding inline limits.
1278 (cgraph_decide_recursive_inlining): Do not perform recursive
1279 inlining on always-inline nodes.
1281 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1283 PR bootstrap/43699
1284 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1285 for exprs satisfying handled_component_p.
1287 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1289 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1290 non-constant aggregate elements.
1292 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1293 is a real initialization.
1295 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1297 PR c/36774
1298 * c-decl.c (start_function): Move forward check for nested function.
1300 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1302 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1303 * config/sh/sh.c: Include reload.h.
1304 (sh_legitimize_reload_address): New.
1305 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1306 sh_legitimize_reload_address.
1308 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1310 * config/sh/sh.md (*movqi_pop): New insn pattern.
1311 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1313 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1315 * config/i386/i386.md (any_shiftrt): New code iterator.
1316 (shiftrt_insn): New code attribute.
1317 (shiftrt): Ditto.
1318 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1319 using any_shiftrt code iterator.
1320 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1321 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1322 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1323 pattern from corresponding peephole2 patterns.
1324 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1325 using any_shiftrt code iterator.
1326 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1327 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1328 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1329 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1330 *{ashr,lshr}<mode>3_cmp_zext.
1331 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1333 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1335 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1336 scratch register.
1337 (*lshr<mode>3_cconly): Ditto.
1339 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1341 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1342 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1343 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1344 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1345 DWI mode iterator.
1346 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1347 from corresponding peephole2 patterns.
1348 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1349 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1350 and *lshrdi3_1_rex64 using SWI mode iterator.
1351 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1352 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1353 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1354 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1355 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1356 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1357 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1358 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1359 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1360 SWI mode iterator.
1362 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1364 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1365 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1366 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1367 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1368 DWI mode iterator.
1369 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1370 from corresponding peephole2 patterns.
1371 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1372 (ashrsi3_cvt): Rename from ashrsi3_31.
1373 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1374 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1375 and x86_64_shift_adj_3 using SWI48 mode iterator.
1376 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1377 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1378 and *ashrdi3_1_rex64 using SWI mode iterator.
1379 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1380 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1381 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1382 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1383 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1384 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1385 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1386 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1387 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1388 SWI mode iterator.
1389 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1390 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1391 x86_shift<mode>_adj_3 expanders.
1393 2010-04-10 Wei Guozhi <carrot@google.com>
1395 PR target/42601
1396 * config/arm/arm.c (arm_pic_static_addr): New function.
1397 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1398 a static symbol.
1399 (arm_output_addr_const_extra): Output expression for new pattern.
1400 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1402 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1404 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1405 not enabled.
1407 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1408 * web.c: Include "insn-config.h" and "recog.h".
1409 (union_match_dups): New function.
1410 (web_main): Call it.
1411 (union_defs): Don't try to recognize match_dups.
1413 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1414 if doing so would replace the entire pattern.
1416 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1418 PR target/43707
1419 PR target/43709
1420 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1421 and splitter pattern. Change splitter operand 1 predicate to
1422 nonmemory_operand.
1424 2010-04-09 Martin Jambor <mjambor@suse.cz>
1426 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1427 lattices are addresses of CONST_DECLs with the same initial value.
1428 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1429 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1431 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1432 Bernd Schmidt <bernds@codesourcery.com>
1434 * loop-invariant.c (replace_uses): New static function.
1435 (move_invariant_reg): Use it to ensure we can replace the uses.
1437 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1439 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1440 function template.
1441 (picochip_override_options): Enable section anchors only above -O1.
1442 (picochip_reorg): Fixed a couple of build warnings.
1444 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1446 * configure.ac (plugin -rdynamic test): Log result.
1447 * configure: Regenerate.
1448 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1449 (RDYNAMIC_SPEC): Define.
1450 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1452 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1454 * configure.ac: Determine Sun ld version numbers.
1455 (comdat_group): Restrict GNU ld version checks to gld.
1456 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1457 (enable_comdat): Support --enable-comdat.
1458 * configure: Regenerate.
1459 * doc/install.texi (Configuration): Document --enable-comdat.
1461 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1463 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1464 * config/sol2-gld.h: ... here.
1465 * config.gcc (sparc*-*-solaris2*): Reflect this.
1466 (i[34567]86-*-solaris2*): Use it.
1468 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1470 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1471 setup_clocks_p.
1472 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1474 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1476 PR 42965
1477 * diagnostic.c (diagnostic_initialize): Initialize
1478 some_warnings_are_errors.
1479 (diagnostic_finish): New.
1480 (diagnostic_action_after_output): Call it before exiting.
1481 (diagnostic_report_diagnostic): Do not print message here. Set
1482 some_warnings_are_errors.
1483 * diagnostic.h (diagnostic_context): Delete
1484 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1485 (diagnostic_finish): Declare.
1486 * toplev.c (toplev_main): Call it before exit.
1488 2010-04-09 Jason Merrill <jason@redhat.com>
1490 PR c++/42623
1491 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1492 for incomplete type.
1494 PR c++/41788
1495 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1496 based on a warning flag.
1498 2010-04-09 Richard Guenther <rguenther@suse.de>
1500 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1502 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1504 PR bootstrap/43684
1505 * varasm.c (default_assemble_visibility): Wrap vars that are
1506 set, but unused, by targets without GAS.
1507 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1508 Remove set, but unused, vars.
1509 (rs6000_legitimize_tls_address): Likewise.
1510 (altivec_expand_dst_builtin): Likewise.
1511 * config/darwin.c (machopic_classify_symbol): Likewise.
1512 (machopic_indirection_name): Likewise.
1514 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1516 * config/i386/i386.md (DWI): New mode iterator.
1517 (S): New mode attribute.
1518 (shift_operand): Ditto.
1519 (shift_immediate_operand): Ditto.
1520 (ashl_input_operand): Ditto.
1521 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1522 using SDWIM mode iterator.
1523 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1524 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1525 DWI mode iterator.
1526 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1527 from corresponding peephole2 patterns.
1528 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1529 and x86_64_shift_adj_1 using SWI48 mode iterator.
1530 (x86_shift<mode>_adj_2): Ditto.
1531 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1532 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1533 using SWI48 mode iterator.
1534 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1535 *ashldi3_cmp_rex64 using SWI mode iterator.
1536 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1537 *ashldi3_cconly_rex64 using SWI mode iterator.
1538 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1539 x86_shift<mode>_adj_{1,2}.
1540 (ix86_split_ashr): Ditto.
1541 (ix86_split_lshr): Ditto.
1543 2010-04-09 Richard Guenther <rguenther@suse.de>
1545 * target.h (builtin_conversion): Pass in input and output types.
1546 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1547 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1548 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1549 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1551 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1552 Handle AVX modes.
1553 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1555 2010-04-09 Richard Guenther <rguenther@suse.de>
1557 PR target/43152
1558 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1560 2010-04-09 Richard Guenther <rguenther@suse.de>
1562 * tree-vectorizer.h (struct _stmt_vec_info): Document
1563 that vectype is the type of the LHS.
1564 (supportable_widening_operation, supportable_narrowing_operation):
1565 Get both input and output vector types as arguments.
1566 (vect_is_simple_use_1): Declare.
1567 (get_same_sized_vectype): Likewise.
1568 * tree-vect-loop.c (vect_determine_vectorization_factor):
1569 Set STMT_VINFO_VECTYPE to the vector type of the def.
1570 (vectorizable_reduction): Adjust.
1571 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1572 Adjust. Specify the output vector type.
1573 (vect_pattern_recog_1): Adjust.
1574 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1575 (vectorizable_call): Adjust.
1576 (vectorizable_conversion): Likewise.
1577 (vectorizable_operation): Likewise.
1578 (vectorizable_type_demotion): Likewise.
1579 (vectorizable_type_promotion): Likewise.
1580 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1581 the def.
1582 (vect_is_simple_use_1): New function.
1583 (supportable_widening_operation): Get both input and output
1584 vector types.
1585 (supportable_narrowing_operation): Likewise.
1586 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1588 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1590 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1591 __thiscall and _thiscall as predefined macros.
1592 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1593 thiscall attribute handling.
1594 (ix86_comp_type_attributes): Likewise.
1595 (ix86_function_regparm): Likewise.
1596 (ix86_return_pops_args): Likewise.
1597 (init_cumulative_args): Likewise.
1598 (find_drap_reg): Likewise.
1599 (ix86_static_chain): Likewise.
1600 (x86_this_parameter): Likewise.
1601 (x86_output_mi_thunk): Likewise.
1602 (ix86_attribute_table): Add description for thiscall attribute.
1603 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1604 * doc/extend.texi: Add documentation for thiscall.
1606 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1608 PR c++/28584
1609 * c.opt (Wint-to-pointer-cast): Available in C++.
1610 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1612 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1614 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1615 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1616 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1617 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1618 function type instead. Reorder and simplify checks.
1620 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1622 2010-04-08 Jing Yu <jingyu@google.com>
1623 Zdenek Dvorak <ook@ucw.cz>
1625 PR tree-optimization/42720
1626 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1627 loop unswitch conditions here from ...
1628 (tree_unswitch_single_loop): ... here.
1630 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1632 * tree-if-conv.c: Fix comments and simplify logic.
1634 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1636 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1637 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1638 (main_tree_if_conversion): Update call to tree_if_conversion.
1640 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1642 PR 42485
1643 * doc/invoke.texi (-b,-V): Delete.
1644 * doc/tm.texi: Do not mention -b.
1645 * gcc.c (display_help): Delete -b and -V.
1646 (process_command): Delete -b and -V.
1647 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1649 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1650 Wolfgang Gellerich <gellerich@de.ibm.com>
1652 Implement target hook for loop unrolling
1653 * target.h (loop_unroll_adjust): Add a new target hook function.
1654 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1655 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1656 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1657 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1658 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1659 target hook.
1660 (decide_unroll_stupid): Likewise.
1662 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1664 PR target/43643
1665 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1667 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1669 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1670 (Specific, *-*-solaris2*): Likewise.
1671 Don't prefer Sun as over GNU as.
1673 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1675 * config/s390/s390.c (override_options): Adjust the z10
1676 defaults for max-unroll-times, max-completely-peeled-insns
1677 and max-completely-peel-times.
1679 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1681 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1682 instructions for z10.
1683 (s390_expand_setmem): Likewise.
1684 (s390_expand_cmpmem): Likewise.
1686 2010-04-08 Richard Guenther <rguenther@suse.de>
1688 PR tree-optimization/43679
1689 * tree-ssa-pre.c (eliminate): Only propagate copies.
1691 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1693 PR bootstrap/43681
1694 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1695 set but not used variable warning.
1697 2010-04-08 Wei Guozhi <carrot@google.com>
1699 PR target/41653
1700 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1701 (arm_size_rtx_costs): Call the new function when optimized for size.
1703 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1705 PR debug/43670
1706 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1707 op0 is not a MEM, just return NULL instead of assertion
1708 failure.
1709 (discover_nonconstant_array_refs): Don't walk debug stmts.
1711 2010-04-08 Doug Kwan <dougkwan@google.com>
1713 * configure.ac: Recognize gold and do not use its version number
1714 to test ld features.
1715 * configure: Regenerate.
1717 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1719 PR middle-end/40815
1720 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1721 (negate_value): Move code to push elements to broken_up_substracts ...
1722 (eliminate_plus_minus_pair): ... here. Push operands that have no
1723 negative pair to plus_negates.
1724 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1726 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1728 * doc/install.texi (Configuration): Move description of
1729 --enable-lto, --with-libelf*, --enable-gold from Java section to
1730 general section.
1732 * doc/generic.texi (Working with declarations)
1733 (Function Properties, C and C++ Trees): Fix typos.
1734 * doc/sourcebuild.texi (Top Level): Likewise.
1736 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1738 PR c/18624
1739 * tree.h (DECL_READ_P): Define.
1740 (struct tree_decl_common): Add decl_read_flag.
1741 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1742 a set but not used warning.
1743 (merge_decls): Merge DECL_READ_P flag.
1744 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1745 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1746 * c-common.c (handle_used_attribute, handle_unused_attribute):
1747 Likewise.
1748 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1749 New prototypes.
1750 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1751 New functions.
1752 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1753 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1754 c_parser_binary_expression, c_parser_cast_expression,
1755 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1756 Call default_function_array_read_conversion instead of
1757 default_function_array_conversion where needed.
1758 (c_parser_unary_expression, c_parser_conditional_expression,
1759 c_parser_postfix_expression_after_primary, c_parser_initelt):
1760 Likewise. Call mark_exp_read where needed.
1761 (c_parser_statement_after_labels, c_parser_asm_operands,
1762 c_parser_typeof_specifier, c_parser_sizeof_expression,
1763 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1764 where needed.
1765 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1766 New.
1767 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1768 (warn_unused_but_set_parameter): Default to warn_unused
1769 && extra_warnings.
1770 * doc/invoke.texi: Document -Wunused-but-set-variable and
1771 -Wunused-but-set-parameter.
1773 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1774 used count variable.
1775 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1776 when operandN variables aren't used in the body of the expander
1777 or splitter.
1778 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1779 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1780 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1781 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1782 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1783 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1784 * tree.c (PROCESS_ARG): Likewise.
1786 2010-04-07 Simon Baldwin <simonb@google.com>
1788 * diagnostic.h (diagnostic_override_option_index): New macro to
1789 set a diagnostic's option_index.
1790 * c-tree.h (c_cpp_error): Add warning reason argument.
1791 * opts.c (_warning_as_error_callback): New.
1792 (register_warning_as_error_callback): Store callback for
1793 warnings enabled via enable_warning_as_error.
1794 (enable_warning_as_error): Call callback, minor code tidy.
1795 * opts.h (register_warning_as_error_callback): Declare.
1796 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1797 response to -Werror=.
1798 (c_common_init_options): Register warning_as_error_callback in opts.c.
1799 * common.opt: Add -Wno-cpp option.
1800 * c-common.c (struct reason_option_codes_t): Map cpp warning
1801 reason codes to gcc option indexes.
1802 * (c_option_controlling_cpp_error): New function, lookup the gcc
1803 option index for a cpp warning reason code.
1804 * (c_cpp_error): Add warning reason argument, call
1805 c_option_controlling_cpp_error for diagnostic_override_option_index.
1806 * doc/invoke.texi: Document -Wno-cpp.
1808 2010-04-07 Richard Guenther <rguenther@suse.de>
1810 * ipa-reference.c (mark_load): Use get_base_address.
1811 (mark_store): Likewise.
1813 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1814 inserting GIMPLE_NOPs into the IL.
1815 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1816 Explicitly strip handled components and indirect references.
1818 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1819 folding address expressions.
1820 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1821 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1822 operand_equal_p to compare decls.
1823 (ptr_deref_may_alias_decl_p): Likewise.
1824 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1825 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1826 Handle reversed comparison ops.
1827 * tree-sra.c (asm_visit_addr): Use get_base_address.
1828 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1829 * ipa-reference.c (mark_address): Use get_base_address.
1831 2010-04-07 Richard Guenther <rguenther@suse.de>
1833 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1834 Propagate constants everywhere.
1836 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1838 PR debug/43516
1839 * tree.c (MAX_INT_CACHED_PREC): Define.
1840 (nonstandard_integer_type_cache): New array.
1841 (build_nonstandard_integer_type): Cache results for precision
1842 <= MAX_INT_CACHED_PREC.
1844 2010-04-07 Richard Guenther <rguenther@suse.de>
1846 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1847 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1848 * common.opt: Likewise.
1849 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1850 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1851 (nonoverlapping_memrefs_p): Likewise.
1852 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1853 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1854 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1855 OPT_fargument_noalias_global for backward compatibility.
1857 2010-04-07 Richard Guenther <rguenther@suse.de>
1859 PR tree-optimization/43270
1860 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1861 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1862 * tree-ssa-pre.c (phi_translate_1): Adjust.
1863 (fully_constant_expression): Split out vn_reference handling to ...
1864 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1865 Fold reads from constant strings.
1866 (vn_reference_lookup): Handle fully constant references.
1867 (vn_reference_lookup_pieces): Likewise.
1868 * Makefile.in (expmed.o-warn): Add -Wno-error.
1870 2010-04-07 Martin Jambor <mjambor@suse.cz>
1872 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1874 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1876 PR driver/41594
1877 * gcc.c: Add -static-libstdc++ to list of recognized options.
1879 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1881 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1883 2010-04-07 Richard Guenther <rguenther@suse.de>
1885 PR middle-end/42617
1886 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1887 bases build simple mem attributes to retain points-to information.
1889 2010-04-07 Richard Guenther <rguenther@suse.de>
1891 PR middle-end/42617
1892 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1893 preserve points-to related information.
1895 2010-04-07 Richard Guenther <rguenther@suse.de>
1897 PR middle-end/42617
1898 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1899 discard plain indirect references.
1900 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1901 * tree.c (tree_nop_conversion): Likewise.
1903 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1905 PR debug/43628
1906 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1908 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1910 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1911 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1913 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1915 * tree-if-conv.c: Fix indentation and comments.
1917 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1919 * tree-if-conv.c: Sort static functions in topological order.
1921 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1923 * tree-if-conv.c: Fix indentation and comments.
1925 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1927 PR middle-end/43519
1928 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1929 lang_hooks.types.type_for_size instead of
1930 build_nonstandard_integer_type.
1931 When converting an unsigned type to signed, double its precision.
1932 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1933 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1934 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1935 use lb <= ub.
1937 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1939 PR middle-end/43519
1940 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1941 POINTER_PLUS_EXPR for pointer types.
1943 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1945 PR middle-end/43519
1946 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1947 * graphite-clast-to-gimple.c: Include langhooks.h.
1948 (max_signed_precision_type): New.
1949 (max_precision_type): Takes two types as arguments.
1950 (precision_for_value): New.
1951 (precision_for_interval): New.
1952 (gcc_type_for_interval): New.
1953 (gcc_type_for_value): New.
1954 (gcc_type_for_clast_term): New.
1955 (gcc_type_for_clast_red): New.
1956 (gcc_type_for_clast_bin): New.
1957 (gcc_type_for_clast_expr): Split up into several functions.
1958 (gcc_type_for_clast_eq): Rewritten.
1959 (compute_bounds_for_level): New.
1960 (compute_type_for_level_1): New.
1961 (compute_type_for_level): New.
1962 (gcc_type_for_cloog_iv): Removed.
1963 (gcc_type_for_iv_of_clast_loop): Rewritten.
1964 (graphite_create_new_loop): Compute the lower and upper bound types
1965 with gcc_type_for_clast_expr.
1966 (graphite_create_new_loop_guard): Same.
1967 (find_cloog_iv_in_expr): Removed.
1968 (compute_cloog_iv_types_1): Removed.
1969 (compute_cloog_iv_types): Removed.
1970 (gloog): Do not call compute_cloog_iv_types.
1971 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1972 GBB_CLOOG_IV_TYPES.
1973 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1974 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1975 (GBB_CLOOG_IV_TYPES): Removed.
1977 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1979 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1980 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1981 (detect_commutative_reduction): Same.
1983 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1985 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1986 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1987 argument.
1988 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1989 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1990 (rewrite_commutative_reductions_out_of_ssa): Same.
1991 * passes.c (execute_function_todo): Call verify_ssa for every pass
1992 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1993 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1994 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1995 with an extra argument.
1996 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1997 verify_ssa only when the extra argument is true.
1998 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1999 with an extra argument.
2000 (tree_transform_and_unroll_loop): Same.
2002 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2004 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2005 for all the passes of the LNO having LOOP_CLOSED_SSA.
2006 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2007 * tree-loop-distribution.c (pass_loop_distribution): Same.
2008 * tree-pass.h (TODO_verify_loops): Removed.
2009 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2010 (pass_lim): Same.
2011 (pass_tree_unswitch): Same.
2012 (pass_predcom): Same.
2013 (pass_vectorize): Same.
2014 (pass_linear_transform): Same.
2015 (pass_graphite_transforms): Same.
2016 (pass_iv_canon): Same.
2017 (pass_complete_unroll): Same.
2018 (pass_complete_unrolli): Same.
2019 (pass_parallelize_loops): Same.
2020 (pass_loop_prefetch): Same.
2021 (pass_iv_optimize): Same.
2023 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2025 PR middle-end/32824
2026 * passes.c (init_optimization_passes): Move pass_lim before
2027 pass_copy_prop and pass_dce_loop.
2029 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2031 PR target/43667
2032 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2033 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2034 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2035 MULTI_* defines for 4 argument vpermil2p* builtins.
2037 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2039 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2040 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2041 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2042 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2043 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2044 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2045 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2046 Use x86_maybe_negate_const_int to output insn mnemonic.
2047 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2048 check from instruction predicate. Update comments.
2049 * config/i386/sync.md (sync_add<mode>): Use
2050 x86_maybe_negate_const_int to output insn mnemonic.
2052 2010-04-06 Jan Hubicka <jh@suse.cz>
2054 PR tree-optimization/42906
2055 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2056 IGNORE_SELF argument. Set visited_control_parents for fully
2057 processed BBs.
2058 (find_obviously_necessary_stmts): Update call of
2059 mark_control_dependent_edges_necessary.
2060 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2062 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2064 * config/i386/i386.md: Remove comment about 'e' and 'E'
2065 operand modifier.
2067 2010-04-06 Richard Guenther <rguenther@suse.de>
2069 PR tree-optimization/43627
2070 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2071 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2072 not varying.
2074 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2076 * BASE-VER: Change to 4.6.0.
2078 PR target/43638
2079 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2080 handling.
2082 2010-04-06 Richard Guenther <rguenther@suse.de>
2084 PR middle-end/43661
2085 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2087 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2089 * doc/invoke.texi (Optimize Options): Document that LTO
2090 won't remove object access purely due to incompatible
2091 declarations.
2093 2010-04-04 Matthias Klose <doko@ubuntu.com>
2095 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2096 Initialize variable.
2098 2010-04-03 Richard Guenther <rguenther@suse.de>
2100 PR middle-end/42509
2101 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2102 require a non-NULL MEM_OFFSET.
2104 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2106 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2107 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2108 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2109 config/alpha/predicates.md, config/arm/arm.md,
2110 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2111 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2112 config/darwin9.h, config/darwin.c, config/darwin.h,
2113 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2114 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2115 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2116 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2117 config/mips/mips.md, config/mn10300/mn10300.c,
2118 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2119 config/rs6000/aix.h, config/rs6000/dfp.md,
2120 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2121 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2122 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2123 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2124 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2125 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2126 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2127 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2128 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2129 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2130 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2131 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2132 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2133 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2134 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2135 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2136 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2137 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2138 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2139 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2140 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2141 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2142 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2143 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2144 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2145 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2146 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2147 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2148 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2149 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2150 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2151 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2152 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2153 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2154 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2155 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2157 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2159 PR other/43620
2160 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2161 * aclocal.m4: Regenerate.
2163 2010-04-02 Richard Guenther <rguenther@suse.de>
2165 PR tree-optimization/43629
2166 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2167 if we have seen a constant value.
2169 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2171 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2173 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2175 PR target/43469
2176 * arm.c (legitimize_tls_address): Adjust call to
2177 gen_tls_load_dot_plus_four.
2178 (arm_note_pic_base): New function.
2179 (arm_cannot_copy_insn_p): Use it.
2180 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2181 constraint.
2183 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2185 PR bootstrap/43531
2187 Revert:
2188 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2190 * Makefile.in ($(out_object_file)): Depend on
2191 gt-$(basename $(notdir $(out_file))).h.
2193 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2195 * config.gcc (lm32-*-rtems*): Add t-lm32.
2197 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2199 * config.gcc: Add lm32-*-rtems*.
2200 * config/lm32/rtems.h: New file.
2202 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2204 PR target/42609
2205 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2207 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2209 * dwarf2out.c (output_compilation_unit_header): For
2210 -gdwarf-4 use version 4 instead of version 3.
2211 (output_line_info): For version 4 and above emit additional
2212 maximum ops per insn header field.
2213 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2215 * dwarf2out.c (is_c_family, is_java): Remove.
2216 (lower_bound_default): New function.
2217 (add_bound_info, gen_descr_array_type_die): Use it.
2219 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2221 PR debug/43325
2222 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2223 re-declaration when it happens in a function.
2225 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2227 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2228 (cgraph_remove_function_insertion_hook): Same.
2229 (cgraph_call_function_insertion_hooks): Same.
2231 2010-04-01 Richard Guenther <rguenther@suse.de>
2233 PR middle-end/43614
2234 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2235 and TREE_THIS_VOLATILE.
2236 (copy_ref_info): Likewise.
2237 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2238 * tree.c (build6_stat): Ignore side-effects of all but arg5
2239 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2240 TARGET_MEM_REF.
2242 2010-04-01 Richard Guenther <rguenther@suse.de>
2244 PR tree-optimization/43607
2245 * ipa-type-escape.c (check_call): Do not access non-existing
2246 arguments.
2248 2010-04-01 Richard Guenther <rguenther@suse.de>
2250 PR middle-end/43602
2251 Revert
2252 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2253 Jack Howarth <howarth@bromo.med.uc.edu>
2255 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2256 variables TLS.
2258 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2260 * doc/install.texi (Prerequisites): Document libelf usability on
2261 IRIX 5/6 and Solaris 2.
2262 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2263 Update GNU as, GNU ld requirements.
2264 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2265 Document Sun Studio compiler download.
2266 Update and simplify as, ld recommendations.
2267 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2269 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2271 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2272 with_tune_32 to pentium4.
2274 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2276 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2278 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2280 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2281 obsoletion, removal.
2282 Update IDO URL.
2283 Document GNU as requirement.
2284 Update configure requirements.
2285 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2286 Recomment IRIX 6.5.18+.
2287 Document IDF/IDL requirement.
2288 Document GNU as requirement.
2289 Document GNU ld bootstrap failure.
2290 Remove freeware.sgi.com reference.
2292 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2294 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2295 UNIX V4.0, V5.0 obsoletion, removal.
2296 Remove --with-gc=simple reference.
2297 Update VM requirements during bootstrap.
2298 Remove -oldas bootstrap description.
2299 Update binutils reference.
2300 Remove comparison failure note.
2302 2010-03-31 Richard Guenther <rguenther@suse.de>
2303 Zdenek Dvorak <ook@ucw.cz>
2304 Sebastian Pop <sebastian.pop@amd.com>
2306 PR middle-end/43464
2307 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2308 with multiple arguments.
2309 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2311 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2313 * graphite-dependences.c (print_pddr): Call print_pdr with an
2314 extra argument.
2315 * graphite-poly.c (debug_pdr): Add an extra argument for the
2316 verbosity level.
2317 (print_pdr): Same.
2318 (print_pbb_domain): Same.
2319 (print_pbb): Same.
2320 (print_scop_context): Same.
2321 (print_scop): Same.
2322 (print_cloog): Same.
2323 (debug_pbb_domain): Same.
2324 (debug_pbb): Same.
2325 (print_pdrs): Same.
2326 (debug_pdrs): Same.
2327 (debug_scop_context): Same.
2328 (debug_scop): Same.
2329 (debug_cloog): Same.
2330 (print_scop_params): Same.
2331 (debug_scop_params): Same.
2332 (print_iteration_domain): Same.
2333 (print_iteration_domains): Same.
2334 (debug_iteration_domain): Same.
2335 (debug_iteration_domains): Same.
2336 (print_scattering_function): Same.
2337 (print_scattering_functions): Same.
2338 (debug_scattering_function): Same.
2339 (debug_scattering_functions): Same.
2340 * graphite-poly.h (debug_pdr): Update declaration.
2341 (print_pdr): Same.
2342 (print_pbb_domain): Same.
2343 (print_pbb): Same.
2344 (print_scop_context): Same.
2345 (print_scop): Same.
2346 (print_cloog): Same.
2347 (debug_pbb_domain): Same.
2348 (debug_pbb): Same.
2349 (print_pdrs): Same.
2350 (debug_pdrs): Same.
2351 (debug_scop_context): Same.
2352 (debug_scop): Same.
2353 (debug_cloog): Same.
2354 (print_scop_params): Same.
2355 (debug_scop_params): Same.
2356 (print_iteration_domain): Same.
2357 (print_iteration_domains): Same.
2358 (debug_iteration_domain): Same.
2359 (debug_iteration_domains): Same.
2360 (print_scattering_function): Same.
2361 (print_scattering_functions): Same.
2362 (debug_scattering_function): Same.
2363 (debug_scattering_functions): Same.
2365 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2367 * graphite-poly.c (print_scattering_function_1): New.
2368 (print_scattering_function): Call it.
2369 (print_scop_params): Remove spaces at the end of lines.
2370 (print_cloog): New.
2371 (debug_cloog): New.
2372 * graphite-poly.h (print_cloog): Declared.
2373 (debug_cloog): Declared.
2375 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2377 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2378 in loop->header.
2379 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2380 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2381 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2382 to switch between adding the IV bump in loop->latch or in loop->header.
2384 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2386 * graphite-poly.c (print_scattering_function): Pretty print following
2387 the scoplib format.
2388 (print_pdr): Same.
2389 (print_pbb_domain): Same.
2390 (dump_gbb_cases): Same.
2391 (dump_gbb_conditions): Same.
2392 (print_pdrs): Same.
2393 (print_pbb): Same.
2394 (print_scop_params): Same.
2395 (print_scop_context): Same.
2396 (print_scop): Same.
2397 (print_pbb_body): New.
2398 (lst_indent_to): New.
2399 (print_lst): Start new lines with a #.
2400 * graphite-poly.h (pbb_bb): New.
2401 (pbb_index): Use pbb_bb.
2402 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2403 disjuncts.
2404 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2406 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2408 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2409 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2410 and 0 instead of 1 for dw_val_class_flag.
2411 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2412 dw_val_class_range_list, dw_val_class_loc_list,
2413 dw_val_class_lineptr and dw_val_class_macptr, use
2414 DW_FORM_flag_present for dw_val_class_flag and
2415 DW_FORM_exprloc for dw_val_class_loc.
2416 (output_die): For -gdwarf-4 print dw_val_class_loc
2417 size as uleb128 instead of 1 or 2 bytes and don't print
2418 anything for dw_val_class_flag.
2420 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2421 instead of cselib_lookup following by tweaking locs->setting_insn.
2423 PR bootstrap/43596
2424 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2425 even before returning from label, setjmp call or volatile asm
2426 handling.
2428 2010-03-31 Richard Guenther <rguenther@suse.de>
2430 PR middle-end/43600
2431 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2432 temporary data on stack.
2434 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2436 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2437 (PUSHSECTION_ASM_OP): Remove.
2438 (POPSECTION_ASM_OP): Remove.
2439 (PUSHSECTION_FORMAT): Remove.
2440 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2441 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2442 * config/sol2.c (solaris_output_init_fini): Use it.
2444 2010-03-31 Jie Zhang <jie@codesourcery.com>
2446 PR 43574
2447 * opt-functions.awk (var_type_struct): Use signed char type
2448 for simple variables.
2450 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2452 * config/sol2.c: Include output.h.
2453 (solaris_assemble_visibility): New function.
2454 * config/t-sol2 (sol2.o): Add output.h dependency.
2455 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2456 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2457 Redefine.
2459 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2461 PR target/43580
2462 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2463 V2SImode or XFmode on PRE_DEC.
2465 PR debug/43557
2466 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2467 BLKmode.
2469 2010-03-31 Jie Zhang <jie@codesourcery.com>
2471 PR 43562
2472 * reload.h (caller_save_initialized_p): Declare.
2473 * toplev.c (backend_init_target): Don't call
2474 init_caller_save but set caller_save_initialized_p to false.
2475 * caller-save.c (caller_save_initialized_p): Define.
2476 (init_caller_save): Check caller_save_initialized_p.
2477 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2479 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2481 PR target/39048
2482 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2483 and soft-fp/t-softfp to tmake_file.
2484 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2485 (LIBGCC2_TF_CEXT): Define.
2486 (TF_SIZE): Define.
2488 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2490 PR debug/42977
2491 * cselib.c (n_useless_values): Document handling of debug locs.
2492 (n_useless_debug_values, n_debug_values): New variables.
2493 (new_elt_loc_list): Don't add to debug values, keep count.
2494 (promote_debug_loc): New.
2495 (cselib_reset_table): Zero new variables.
2496 (entry_and_rtx_equal_p): Promote debug locs.
2497 (discard_useless_locs): Increment n_useless_debug_values for
2498 debug values.
2499 (remove_useless_values): Adjust n_useless_values and n_debug_values
2500 with n_useless_debug_values.
2501 (add_mem_for_addr): Promote debug locs.
2502 (cselib_lookup_mem): Likewise.
2503 (cselib_lookup_addr): Renamed to...
2504 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2505 (cselib_log_lookup): ... this. Turn into...
2506 (cselib_lookup_addr): ... new wrapper.
2507 (cselib_lookup_from_insn): New.
2508 (cselib_invalidate_regno): Increment n_useless_debug_values for
2509 debug values.
2510 (cselib_invalidate_mem): Likewise.
2511 (cselib_process_insn): Take n_deleted and n_debug_values into
2512 account to guard remove_useless_value call.
2513 (cselib_finish): Zero n_useless_debug_values.
2514 * cselib.h (cselib_lookup_from_insn): Declare.
2515 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2516 (sched_analyze_2): Likewise.
2518 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2520 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2521 functions.
2522 (adjust_mems): Replace narrowing SUBREG of expression containing
2523 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2524 with operations in the narrower mode.
2526 PR debug/43593
2527 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2528 regs_invalidated_by_call instead all call_used_reg_set registers.
2530 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2532 PR middle-end/43430
2533 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2534 pointer comparisons with types_compatible_p.
2535 * tree-vect-stmts.c (vectorizable_call): Same.
2536 (vectorizable_condition): Same.
2538 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2540 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2541 stack check if the mask would be zero.
2543 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2544 Jack Howarth <howarth@bromo.med.uc.edu>
2546 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2547 variables TLS.
2549 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2551 PR other/25232
2552 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2553 and __unordtf2.
2554 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2555 Include ___unordxf2 and ___unordtf2.
2556 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2557 GCC_4.4.0 here.
2559 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2561 * config/lm32/t-lm32: New file.
2562 * config.gcc: Use the above file when targetting lm32.
2564 2010-03-28 Duncan Sands <baldrick@free.fr>
2566 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2568 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2570 PR middle-end/43431
2571 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2572 Improve vectorization cost model diagnostic.
2574 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2576 PR middle-end/43436
2577 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2578 compute_data_dependences_for_loop returns false, early exit
2579 and output an extra diagnostic for the failed data reference
2580 analysis.
2582 2010-03-29 Richard Guenther <rguenther@suse.de>
2584 PR tree-optimization/43560
2585 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2586 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2588 2010-03-29 Jie Zhang <jie@codesourcery.com>
2590 PR 43564
2591 * toplev.c (process_options): Set optimization_default_node
2592 and optimization_current_node.
2593 * opts.c (decode_options): Don't set optimization_default_node
2594 and optimization_current_node.
2596 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2598 * config/rtems.h: Abandon -qrtems_debug.
2600 2010-03-28 Jan Hubicka <jh@suse.cz>
2602 PR tree-optimization/43505
2603 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2604 map should not be copied.
2606 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2608 PR middle-end/41674
2609 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2610 cdtors, set DECL_PRESERVE_P.
2611 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2612 should be preseved.
2614 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2616 PR tree-optimization/43528
2617 * stor-layout.c (place_field): Check that constant fits into
2618 unsigned HWI when skipping calculation of MS bitfield layout.
2620 2010-03-27 Jan Hubicka <jh@suse.cz>
2622 PR middle-end/43391
2623 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2624 notice_global_symbol work.
2626 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2628 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2629 instead of dwarf2out_decl.
2630 (struct var_loc_node): Remove section_label field.
2631 (dwarf2out_function_decl): New function.
2632 (dwarf2out_var_location): Don't set section_label field.
2633 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2635 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2637 PR tree-optimization/43544
2638 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2639 First argument for builtin vectorized function hook is now a
2640 tree to be able to distinguish between machine specific and
2641 standard builtins.
2642 * targhooks.c (default_builtin_vectorized_function): Ditto.
2643 * targhooks.h (default_builtin_vectorized_function): Ditto.
2644 * target.h (struct gcc_target): Ditto.
2645 * tree-vect-stmts.c (vectorizable_function): Ditto.
2646 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2647 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2648 Ditto.
2650 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2652 PR c/43381
2653 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2654 nested binding iff it is a FUNCTION_DECL.
2655 (store_parm_decls_newstyle): Pass nested=true to bind for
2656 FUNCTION_DECLs amongst parameters.
2658 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2660 * var-tracking.c (vt_expand_loc_callback): Don't run
2661 cselib_expand_value_rtx_cb in dummy mode if
2662 cselib_dummy_expand_value_rtx_cb returned false.
2664 * var-tracking.c (emit_note_insn_var_location): For one part
2665 notes with offset 0, don't add EXPR_LIST around the location.
2666 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2667 add_location_or_const_value_attribute): Adjust for that change.
2669 PR debug/43540
2670 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2671 into first operand and location into second.
2672 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2673 dw_cfi_oprnd_loc for DW_CFA_expression.
2674 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2675 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2676 assume first argument is regnum and second argument is location.
2678 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2680 PR target/42113
2681 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2682 of scratch register to DImode. Split to DImode comparison operator.
2683 Use SImode subreg of scratch register in the multiplication.
2684 (*cmp_sadd_sidi): Ditto.
2685 (*cmp_ssub_si): Ditto.
2686 (*cmp_ssub_sidi): Ditto.
2688 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2690 PR target/43524
2691 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2692 Remove invalid assert and wrong comment.
2694 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2696 PR debug/43516
2697 * flags.h (final_insns_dump_p): New extern.
2698 * final.c (final_insns_dump_p): New variable.
2699 (rest_of_clean_state): Set it before -fdump-final-insns=
2700 dumping, clear afterwards.
2701 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2702 MEM_ALIAS_SET on MEMs.
2704 2010-03-26 David S. Miller <davem@davemloft.net>
2706 * configure.ac: Fix sparc GOTDATA_OP bug check.
2707 * configure: Rebuild.
2709 2010-03-26 Alan Modra <amodra@gmail.com>
2711 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2713 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2715 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2716 TLS_SECTION_ASM_FLAG.
2718 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2720 PR bootstrap/43511
2721 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2722 Clear first_function_block_is_cold.
2724 PR c/43385
2725 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2726 argument if the argument is truth_value_p.
2728 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2730 * config/rs6000/constraints.md: Update copyright year for my changes.
2732 PR target/43484
2733 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2734 used in reg+reg addressing, swap registers.
2736 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2738 PR debug/43293
2739 * target.h (struct gcc_target): Add code_end hook.
2740 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2741 if not yet defined.
2742 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2743 * toplev.c (compile_file): Call targetm.asm_out.code_end
2744 hook before unwind info/debug info output.
2745 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2746 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2747 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2748 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2749 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2750 * config/i386/i386.c (ix86_file_end): Renamed to...
2751 (ix86_code_end): ... this. Make static. Don't call
2752 file_end_indicate_exec_stack. Emit unwind info using
2753 final_start_function/final_end_function.
2754 (darwin_x86_file_end): Remove.
2755 (TARGET_ASM_CODE_END): Define.
2756 * config/i386/i386.h (TARGET_ASM_FILE_END,
2757 NEED_INDICATE_EXEC_STACK): Don't define.
2758 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2759 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2760 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2761 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2763 PR target/43498
2764 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2765 at the beginning and final_end_function at the end.
2766 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2768 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2770 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2771 and Sun as TLS syntax.
2772 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2773 * configure: Regenerate.
2774 * config.in: Regenerate.
2775 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2776 (default_elf_asm_named_section): Use it.
2777 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2778 (i386_output_dwarf_dtprel): Likewise.
2779 (output_addr_const_extra): Likewise.
2780 (output_pic_addr_const): Lowercase @GOTTPOFF.
2781 (output_addr_const_extra): Likewise.
2782 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2783 (output_addr_const_extra): Likewise.
2784 (output_pic_addr_const): Lowercase @INDNTPOFF.
2785 (output_addr_const_extra): Likewise.
2786 (output_pic_addr_const): Lowercase @NTPOFF.
2787 (output_addr_const_extra): Likewise.
2788 (output_pic_addr_const): Lowercase @TPOFF.
2789 (output_addr_const_extra): Likewise.
2790 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2791 (*tls_global_dynamic_64): Likewise.
2792 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2793 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2795 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2796 (ASM_OUTPUT_TLS_COMMON): Use it.
2797 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2799 PR target/38118
2800 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2801 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2802 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2803 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2804 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2805 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2807 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2809 * config/i386/i386.c (override_options): Don't accept
2810 -mtls-dialect=sun any longer.
2811 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2812 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2813 (*tls_local_dynamic_base_32_sun): Likewise.
2814 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2816 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2818 PR debug/43508
2819 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2820 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2822 PR debug/43479
2823 * ira.c (adjust_cleared_regs): New function.
2824 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2826 PR debug/19192
2827 PR debug/43479
2828 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2829 from gimple_block.
2830 * expr.c (expand_expr_real): Restore previous
2831 curr_insn_source_location and curr_insn_block after
2832 expand_expr_real_1 call.
2833 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2834 instead of expand_expr_real_1.
2836 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2838 PR rtl-optimization/43413
2839 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2840 hard regs too.
2842 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2844 PR target/43348
2845 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2846 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2848 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2850 * config/i386/i386.c (ix86_target_string): Add -mfma.
2851 Fix a typo in comment.
2853 2010-03-22 Mike Stump <mikestump@comcast.net>
2855 PR target/23071
2856 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2857 Don't overly align based upon packed packed fields.
2859 2010-03-22 Jason Merrill <jason@redhat.com>
2861 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2862 Use () rather than [], and move before the element type.
2864 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2866 * doc/configfiles.texi (Configuration Files): Removed
2867 fixinc/Makefile*, intl/Makefile.*.
2868 * doc/makefile.texi: Fixed markup. Abstract from version
2869 control system used.
2870 (Makefile): Removed obsolete gcc/java/parse.y example.
2871 * doc/sourcebuild.texi: Likewise.
2872 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2873 libgomp, libssp. Removed fastjar.
2874 (Miscellaneous Docs): Clarify location.
2875 Added COPYING3, COPYING3.LIB.
2876 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2878 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2880 PR target/38085
2881 * config/i386/i386.c (x86_function_profiler)
2882 [!NO_PROFILE_COUNTERS]: Fix typo.
2883 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2884 instead of callq.
2886 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2887 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2889 * doc/sourcebuild.texi (Test Directives): Split into six
2890 subsections, with most of the current text in new subsections
2891 Directives, Selectors, and Final Actions.
2892 (Directives): Split list of test directives into multiple
2893 subsubsections.
2894 (Selectors): Describe use and syntax of selectors.
2895 (Effective-Target Keywords): Describe all existing keywords.
2896 (Add Options): Describe features for dg-add-options.
2897 (Require Support): Describe variants of dg-require-support.
2898 (Final Actions): Describe commands to use in dg-final.
2900 2010-03-22 Michael Matz <matz@suse.de>
2902 PR middle-end/43475
2903 * recog.c (validate_replace_rtx_group): Replace also in
2904 REG_EQUAL and REG_EQUIV notes.
2906 2010-03-22 Richard Guenther <rguenther@suse.de>
2908 PR tree-optimization/43390
2909 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2910 sure vector extracts are type correct.
2912 2010-03-22 Richard Guenther <rguenther@suse.de>
2914 PR middle-end/40106
2915 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2916 x * sqrt (x) even when optimizing for size if the target
2917 has native support for sqrt.
2919 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2921 * varasm.c (make_decl_rtl_for_debug): Also clear
2922 flag_mudflap for the duration of make_decl_rtl call.
2924 PR debug/43443
2925 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2926 locs from preserved VALUEs.
2928 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2930 PR middle-end/42718
2931 * pa.md (movmemsi): Set align to one if zero.
2932 (movmemdi): Likewise.
2934 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2936 PR target/42321
2937 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2938 with their corresponding prologue pushes.
2940 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2942 PR target/43156
2943 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2944 at the begining or end.
2945 (spu_expand_epilogue): Likewise.
2947 2010-03-20 Richard Guenther <rguenther@suse.de>
2949 PR rtl-optimization/43438
2950 * combine.c (make_extraction): Properly zero-/sign-extend an
2951 extraction of the low part of a CONST_INT. Also handle
2952 CONST_DOUBLE.
2954 2010-03-19 Mike Stump <mikestump@comcast.net>
2956 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2957 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2958 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2960 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2962 PR c/43211
2963 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2964 an error.
2966 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2968 PR rtl-optimization/42258
2969 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2970 use that may match DEF.
2972 PR target/40697
2973 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2974 the cost of loading the constant rather than assuming
2975 COSTS_N_INSNS (1).
2976 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2977 outer code is AND, do the same tests as the andsi3 expander and
2978 return COSTS_N_INSNS (1) if and is cheap.
2980 * optabs.c (avoid_expensive_constant): Fix formatting.
2982 2010-03-19 Michael Matz <matz@suse.de>
2984 PR c++/43116
2985 * attribs.c (decl_attributes): When rebuilding a function pointer
2986 type use the same qualifiers as the original pointer type.
2988 2010-03-19 Martin Jambor <mjambor@suse.cz>
2990 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2991 and is_gimple_ip_invariant_address.
2993 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2995 Revert
2996 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2998 * config/arm/arm.c (arm_override_options): Turn off
2999 flag_dwarf2_cfi_asm for AAPCS variants.
3001 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3003 PR target/43399
3004 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3005 Use PRE_MODIFY instead of PRE_DEC.
3006 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3007 (vfp_emit_fstmd): Likewise.
3009 2010-03-19 Michael Matz <matz@suse.de>
3011 PR target/43305
3012 * builtins.c (expand_builtin_interclass_mathfn,
3013 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3014 if that fails.
3016 2010-03-19 Richard Guenther <rguenther@suse.de>
3018 PR tree-optimization/43415
3019 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3020 (phi_translate_1): ... this.
3021 (phi_translate): Move all caching here. Cache all NARY
3022 and REFERENCE translations.
3024 2010-03-19 David S. Miller <davem@davemloft.net>
3026 With help from Eric Botcazou.
3027 * config/sparc/sparc.c: Include dwarf2out.h.
3028 (emit_pic_helper): Delete.
3029 (pic_helper_symbol_name): Delete.
3030 (pic_helper_emitted_p): Delete.
3031 (pic_helper_needed): New.
3032 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3033 (get_pc_thunk_name): New.
3034 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3035 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3036 Set pic_helper_needed to true. Don't call emit_pic_helper.
3037 (sparc_expand_prologue): Update load_pic_register call.
3038 (sparc_output_mi_thunk): Likewise.
3039 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3040 thunk if possible. Output CFI information as needed.
3042 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3043 Jack Howarth <howarth@bromo.med.uc.edu>
3045 PR target/36399
3046 * config/i386/i386.h: Fix ABI on darwin x86-32.
3048 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3050 * tree.h: Declare make_decl_rtl_for_debug.
3051 * varasm.c (make_decl_rtl_for_debug): New.
3052 * dwarf2out.c (rtl_for_decl_location): Call it.
3053 * cfgexpand.c (expand_debug_expr): Call it.
3055 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3057 PR bootstrap/43399
3058 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3059 mem_mode.
3061 PR bootstrap/43403
3062 * var-tracking.c (vt_init_cfa_base): Do nothing if
3063 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3065 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3067 PR debug/42873
3068 * var-tracking.c (canonicalize_vars_star): New.
3069 (dataflow_post_merge_adjust): Use it.
3071 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3073 PR debug/43058
3074 * var-tracking.c (non_suitable_const): New function.
3075 (add_uses): For DEBUG_INSNs with constants, don't record any
3076 value, instead just the constant value itself.
3077 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3078 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3079 (emit_notes_in_bb): Likewise.
3080 (emit_note_insn_var_location): For onepart variables if
3081 cur_loc is a VOIDmode constant, use DECL_MODE.
3083 2010-03-18 Martin Jambor <mjambor@suse.cz>
3085 PR middle-end/42450
3086 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3087 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3088 all non-clones. Moved call redirection...
3089 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3090 (cgraph_materialize_all_clones): Dispose of all
3091 combined_args_to_skip bitmaps.
3092 (verify_cgraph_node): Do not check for edges pointing to wrong
3093 nodes in inline clones.
3094 * tree-inline.c (copy_bb): Call
3095 cgraph_redirect_edge_call_stmt_to_callee.
3096 * ipa.c (cgraph_remove_unreachable_nodes): Call
3097 cgraph_node_remove_callees even when there are used clones.
3099 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3101 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3103 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3105 PR target/43383
3106 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3107 for 32bit.
3109 2010-03-18 Michael Matz <matz@suse.de>
3111 PR middle-end/43419
3112 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3113 into sqrt(x) if we need to preserve signed zeros.
3115 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3116 Eric Botcazou <ebotcazou@adacore.com>
3118 PR rtl-optimization/43360
3119 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3120 note if we don't know its invariant status.
3122 2010-03-18 Michael Matz <matz@suse.de>
3124 PR tree-optimization/43402
3125 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3126 PHI chains of ssa names registered for update.
3128 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3130 PR target/42427
3131 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3132 non-offsettable and pre_modify update addressing.
3133 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3134 and "2" alternatives "#".
3135 (*movdd_softfloat32): Make all alternatives "#";
3136 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3137 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3138 (*movdf_softfloat32): Make all alternatives "#";
3139 (movdi): Use the new DIFD mode iterator to create a common splitter
3140 for movdi, movdf and movdd patterns.
3142 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3144 * common.opt (dumpdir): Remove redundant tab.
3146 2010-03-17 Martin Jambor <mjambor@suse.cz>
3148 PR tree-optimization/43347
3149 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3150 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3152 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3154 PR rtl-optimization/42216
3155 * regrename.c (create_new_chain): New function, broken out from...
3156 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3157 appending a use to an empty chain.
3158 (build_def_use): Remove previous changes that convert OP_INOUT to
3159 OP_OUT operands; instead detect the case where an OP_INOUT operand
3160 uses a previously untracked register and create an empty chain for it.
3162 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3164 * doc/extend.texi (Function Attributes): Rewrite unfinished
3165 sentence in ms_abi documentation.
3167 2010-03-17 Alan Modra <amodra@gmail.com>
3169 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3170 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3171 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3172 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3174 2010-03-16 Richard Henderson <rth@redhat.com>
3176 PR middle-end/43365
3177 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3178 (lower_try_finally): Save and restore eh_seq around the expansion
3179 of the try-finally.
3181 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3183 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3184 statements before splitting block.
3186 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3188 * doc/sourcebuild.texi (Testsuites): Fix markup.
3189 Use pathnames relative to gcc/testsuite.
3190 (Test Directives): Move description of how timeout is determined.
3191 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3192 (C Tests): Correct gcc.misc-tests directory.
3193 Framework tests now live in gcc.test-framework.
3195 2010-03-16 Richard Guenther <rguenther@suse.de>
3197 PR middle-end/43379
3198 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3199 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3201 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3202 Alexandre Oliva <aoliva@redhat.com>
3204 PR tree-optimization/42917
3205 * lambda-code.c (remove_iv): Skip debug statements.
3206 (lambda_loopnest_to_gcc_loopnest): Likewise.
3207 (not_interesting_stmt): Debug statements are not interesting.
3209 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3211 PR debug/43051
3212 PR debug/43092
3213 * cselib.c (cselib_preserve_constants,
3214 cfa_base_preserved_val): New static variables.
3215 (preserve_only_constants): New function.
3216 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3217 clear its REG_VALUES. If cselib_preserve_constants, don't
3218 empty the whole hash table, but preserve there VALUEs with constants,
3219 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3220 (cselib_preserve_cfa_base_value): New function.
3221 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3222 (cselib_init): Change argument to int bitfield. Set
3223 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3224 is in it.
3225 (cselib_finish): Clear cselib_preserve_constants and
3226 cfa_base_preserved_val.
3227 * cselib.h (enum cselib_record_what): New enum.
3228 (cselib_init): Change argument to int.
3229 (cselib_preserve_cfa_base_value): New prototype.
3230 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3231 * dse.c (dse_step1): Likewise.
3232 * cfgcleanup.c (thread_jump): Likewise.
3233 * sched-deps.c (sched_analyze): Likewise.
3234 * gcse.c (local_cprop_pass): Likewise.
3235 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3236 If FN is non-NULL, call the callback always and whenever it returns
3237 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3238 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3239 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3240 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3241 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3242 * var-tracking.c: Include recog.h.
3243 (bb_stack_adjust_offset): Remove.
3244 (vt_stack_adjustments): Don't call it, instead just gather the
3245 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3246 (adjust_stack_reference): Remove.
3247 (compute_cfa_pointer): New function.
3248 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3249 (struct adjust_mem_data): New type.
3250 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3251 functions.
3252 (get_address_mode): New function.
3253 (replace_expr_with_values): Use it.
3254 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3255 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3256 (adjust_sets): Remove.
3257 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3258 Use get_address_mode.
3259 (get_adjusted_src): Remove.
3260 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3261 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3262 (add_with_sets): Don't call adjust_sets.
3263 (fp_setter, vt_init_cfa_base): New functions.
3264 (vt_initialize): Change return type to bool. Move most of pool etc.
3265 initialization to the beginning of the function from end. Pass
3266 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3267 If !frame_pointer_needed, call vt_stack_adjustment before mos
3268 vector is filled, call vt_init_cfa_base if argp/framep has been
3269 eliminated to sp. If frame_pointer_needed and argp/framep has
3270 been eliminated to hard frame pointer, set
3271 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3272 encountering fp setter in the prologue. For MO_ADJUST, call
3273 log_op_type before pusing the op into mos vector, not afterwards.
3274 Call adjust_insn before cselib_process_insn/add_with_sets,
3275 call cancel_changes (0) afterwards.
3276 (variable_tracking_main_1): Adjust for vt_initialize calling
3277 vt_stack_adjustments and returning whether it succeeded or not.
3279 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3281 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3282 debug statements.
3284 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3286 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3287 has been set.
3288 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3289 drap_reg has not been set.
3291 2010-03-15 Michael Matz <matz@suse.de>
3293 PR middle-end/43300
3294 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3295 use it to expand block copies.
3296 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3297 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3298 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3300 2010-03-15 Richard Guenther <rguenther@suse.de>
3302 PR tree-optimization/43367
3303 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3304 elimination check.
3306 2010-03-15 Richard Guenther <rguenther@suse.de>
3308 PR tree-optimization/43317
3309 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3311 2010-03-15 Martin Jambor <mjambor@suse.cz>
3313 PR tree-optimization/43141
3314 * tree-sra.c (create_abstract_origin): New function.
3315 (modify_function): Call create_abstract_origin.
3317 2010-03-15 Chris Demetriou <cgd@google.com>
3319 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3320 wasn't copied.
3322 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3324 PR middle-end/43354
3325 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3326 call insert_out_of_ssa_copy for default definitions.
3328 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3330 * graphite-clast-to-gimple.c (my_long_long): Defined.
3331 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3332 * graphite-sese-to-poly.c (my_long_long): Defined.
3333 (scop_ivs_can_be_represented): Use it.
3335 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3337 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3338 graphite-max-bbs-per-function, and loop-block-tile-size.
3339 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3340 with "maximum".
3341 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3343 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3345 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3346 forward declaration.
3347 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3348 (add_upper_bounds_from_estimated_nit): New.
3349 (build_loop_iteration_domains): Use it.
3351 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3353 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3355 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3357 PR middle-end/43306
3358 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3359 should be an INTEGER_CST. Also handle CASE_CONVERT.
3361 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3363 * graphite.c (graphite_initialize): To bound the number of bbs per
3364 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3365 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3366 * doc/invoke.texi: Document it.
3368 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3370 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3371 * graphite-sese-to-poly.h (build_poly_scop): Same.
3373 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3375 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3376 the number of parameters in the scop. Use as an upper bound
3377 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3378 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3379 * doc/invoke.texi: Document it.
3381 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3383 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3384 * doc/c-tree.texi: Remove.
3385 * doc/generic.texi: Merge c-tree.texi here.
3386 * doc/gccint.texi (Trees): Remove menu entry.
3387 (c-tree.texi): Remove @include.
3388 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3389 * doc/languages.texi (Reading RTL): Ditto.
3391 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3393 PR target/42869
3394 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3396 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3398 PR middle-end/42431
3399 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3400 code added to work around reload clobbering CONST insns.
3402 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3404 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3405 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3406 (cselib_preserve_only_values): Remove retain argument, don't
3407 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3408 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3409 * var-tracking.c (micro_operation): Move insn field before union.
3410 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3411 (struct variable_tracking_info_def): Remove n_mos field, change
3412 mos into a vector of micro_operations.
3413 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3414 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3415 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3416 changing into a vector.
3417 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3418 come before all other uops generated by add_stores.
3419 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3420 argument removal.
3421 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3422 a vector. Run just one pass over the bbs instead of separate counting
3423 and computation phase.
3424 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3426 PR debug/43329
3427 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3428 into *nonlocalized_list vector.
3429 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3430 even if origin is non-NULL.
3431 (gen_variable_die): Likewise.
3432 (process_scope_var): Don't change origin.
3433 (gen_decl_die): Likewise.
3434 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3435 before adding new edges instead of after it, fix moving over
3436 debug stmts.
3438 2010-03-11 David S. Miller <davem@davemloft.net>
3440 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3441 of four.
3442 * configure: Rebuild.
3444 2010-03-11 Martin Jambor <mjambor@suse.cz>
3446 PR tree-optimization/43257
3447 * tree.c (assign_assembler_name_if_neeeded): New function.
3448 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3449 above new function.
3450 * tree.h (assign_assembler_name_if_neeeded): Declare.
3451 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3452 the function if needed.
3454 2010-03-11 Chris Demetriou <cgd@google.com>
3456 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3457 include/stdint-gcc.h, and include/stdint.h world-readable.
3459 2010-03-11 Richard Guenther <rguenther@suse.de>
3461 PR tree-optimization/43255
3462 * tree-vrp.c (process_assert_insertions_for): Do not insert
3463 asserts for trivial conditions.
3465 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3467 PR tree-optimization/43280
3468 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3469 generation. Move calculation of size out of the if branch.
3470 (find_bswap): Modify compare number generation.
3472 2010-03-11 Richard Guenther <rguenther@suse.de>
3474 PR lto/43200
3475 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3476 (input_gimple_stmt): Fixup handled component types during
3477 operand read. Also fix up decls in ADDR_EXPRs.
3479 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3481 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3482 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3484 2010-03-10 Jan Hubicka <jh@suse.cz>
3486 PR c/43288
3487 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3488 * varasm.c (get_variable_section): Don't do that here...
3489 (make_decl_rtl): ... and here.
3490 (do_assemble_alias): Produce decl RTL.
3491 (assemble_alias): Likewise.
3493 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3495 PR debug/43290
3496 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3497 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3498 of fde->vdrap_reg.
3499 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3500 (based_loc_descr): Only express drap or vdrap regno based expressions
3501 using DW_OP_fbreg when not optimizing.
3502 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3503 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3504 REG_CFA_SET_VDRAP note.
3506 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3508 PR tree-optimization/43236
3509 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3510 error in calculation of base address in reverse iteration case.
3511 (generate_builtin): Take number of latch executions if the statement
3512 is in the latch.
3514 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3516 PR middle-end/42859
3517 * tree-eh.c: Include pointer-set.h.
3518 (lower_eh_dispatch): Filter out duplicate case labels and
3519 remove the unneeded edge when the label is unused. Return
3520 true when some edges are removed.
3521 (execute_lower_eh_dispatch): When any lowering resulted in
3522 removing an edge, also delete unreachable blocks.
3524 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3526 PR bootstrap/43287
3527 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3528 UNSPEC_MACHOPIC_OFFSET.
3530 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3532 PR target/43294
3533 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3534 (m68k_delegitimize_address): New function.
3536 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3538 PR debug/43299
3539 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3541 PR debug/43299
3542 * var-tracking.c (adjust_sets): New function.
3543 (count_with_sets, add_with_sets): Use it.
3544 (get_adjusted_src): New inline function.
3545 (add_stores): Use it.
3547 PR debug/43304
3548 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3549 call cselib_dummy_expand_value_rtx_cb instead of
3550 cselib_expand_value_rtx_cb.
3552 PR debug/43293
3553 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3554 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3555 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3556 and .cfi_endproc around the pic thunks.
3557 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3558 all queued unwind info register saves are saved before the call.
3559 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3560 considered as sp-=4 for unwind info and the pop as sp+=4 which
3561 also clobbers dest, but doesn't actually restore it.
3563 PR debug/43290
3564 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3565 RTX_FRAME_RELATED_P.
3567 2010-03-09 Jie Zhang <jie@codesourcery.com>
3569 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3570 whitespaces in output template.
3572 2010-03-09 Jie Zhang <jie@codesourcery.com>
3574 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3575 out array boundary.
3577 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3579 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3580 builtins.exp in a separate job.
3582 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3584 * graphite-sese-to-poly.c (add_param_constraints): Use
3585 lower_bound_in_type and upper_bound_in_type.
3587 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3589 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3590 instead of unsigned_type_node.
3592 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3593 Reza Yazdani <reza.yazdani@amd.com>
3595 PR middle-end/43065
3596 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3597 on pointer type parameters.
3599 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3601 PR middle-end/42644
3602 PR middle-end/42130
3603 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3604 handle conversions from pointer to integers.
3605 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3606 induction variable, to be able to work with code generated by CLooG.
3607 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3608 (build_poly_scop): Bail out if we cannot codegen a loop.
3610 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3612 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3613 code generation with gloog_error.
3615 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3617 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3618 Call fold_convert on all the returned values.
3619 (expand_scalar_variables_expr): Pass to
3620 expand_scalar_variables_ssa_name the type of the resulting expression.
3622 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3624 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3625 ppl_min_for_le_pointset.
3626 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3627 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3629 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3631 * graphite-dependences.c (map_into_dep_poly): Removed.
3632 (dependence_polyhedron_1): Use combine_context_id_scat.
3634 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3636 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3637 (struct poly_bb): Same.
3638 (combine_context_id_scat): New.
3640 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3642 PR middle-end/42326
3643 * sese.c (name_defined_in_loop_p): Return false for default
3644 definitions.
3646 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3648 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3649 and clean up the logic.
3651 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3653 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3654 early return.
3656 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3658 * var-tracking.c (remove_cselib_value_chains): Define only for
3659 ENABLE_CHECKING.
3660 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3661 delete_slot_part, emit_notes_for_differences_1): Don't call
3662 remove_cselib_value_chains here.
3663 (set_slot_part, emit_notes_for_differences_2): Don't call
3664 add_cselib_value_chains here.
3665 (preserved_values): New vector.
3666 (preserve_value): New function.
3667 (add_uses, add_stores, vt_add_function_parameters): Use it
3668 instead of cselib_preserve_value.
3669 (changed_values_stack): New vector.
3670 (check_changed_vars_0): New function.
3671 (check_changed_vars_1, check_changed_vars_2): Use it.
3672 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3673 changed_values_stack VALUEs.
3674 (vt_emit_notes): For all preserved_values call
3675 add_cselib_value_chains. If ENABLE_CHECKING call
3676 remove_cselib_value_chains before verifying value_chains is empty.
3677 Initialize and free changed_values_stack.
3678 (vt_initialize): Initialize preserved_values.
3679 (vt_finalize): Free preserved_values.
3681 2010-03-08 Richard Guenther <rguenther@suse.de>
3683 PR tree-optimization/43269
3684 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3685 region detection.
3687 2010-03-08 Martin Jambor <mjambor@suse.cz>
3689 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3690 (ipa_is_param_called): Removed.
3691 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3692 (ipa_print_node_params): Do not print the called flag.
3693 (ipa_write_node_info): Do not stream the called flag.
3694 (ipa_read_node_info): Likewise.
3696 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3698 PR debug/43176
3699 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3700 * cselib.c (struct expand_value_data): Add dummy field.
3701 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3702 dummy to false.
3703 (cselib_dummy_expand_value_rtx_cb): New function.
3704 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3705 any rtl.
3706 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3707 * var-tracking.c: Include pointer-set.h.
3708 (variable): Change n_var_parts to char from int. Add
3709 cur_loc_changed and in_changed_variables fields.
3710 (variable_canonicalize): Remove.
3711 (shared_var_p): New inline function.
3712 (unshare_variable): Maintain cur_loc_changed and
3713 in_changed_variables fields. If var was in changed_variables,
3714 replace it there with new_var. Just copy cur_loc instead of
3715 resetting it to something else.
3716 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3717 (dataflow_set_union): Don't call variable_canonicalize.
3718 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3719 of their DEBUG_EXPR_TREE_DECLs.
3720 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3721 and in_changed_variables and cur_loc_changed is false.
3722 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3723 and cur_loc_changed. Don't update cur_loc here.
3724 (variable_merge_over_src): Don't call variable_canonicalize.
3725 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3726 removing loc that is equal to cur_loc, clear cur_loc,
3727 set cur_loc_changed and ensure variable_was_changed is called.
3728 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3729 compare pointers in cur_loc check, if it is equal to loc,
3730 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3731 (variable_different_p): Remove compare_current_location argument,
3732 don't compare cur_loc.
3733 (dataflow_set_different_1): Adjust variable_different_p caller.
3734 (variable_was_changed): If dv had some var in changed_variables
3735 already, reset in_changed_variables flag for it and propagate
3736 cur_loc_changed over to the new variable. On empty var
3737 always set cur_loc_changed. Set in_changed_variables on whatever
3738 var is added to changed_variables.
3739 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3740 Use shared_var_p. When removing loc that is equal to cur_loc,
3741 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3742 end, don't set it to something else, just call variable_was_changed.
3743 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3744 loc being removed, clear cur_loc and set cur_loc_changed.
3745 Set cur_loc_changed if all locations have been removed.
3746 (struct expand_loc_callback_data): New type.
3747 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3748 allocated. Always create SUBREGs if simplify_subreg failed.
3749 Prefer to use cur_loc, when that fails and still in
3750 changed_variables (and seen first time) recompute it. Set
3751 cur_loc_changed of variables which had to change cur_loc and
3752 compute elcd->cur_loc_changed if any of the subexpressions used
3753 had to change cur_loc.
3754 (vt_expand_loc): Adjust to pass arguments in
3755 expand_loc_callback_data structure.
3756 (vt_expand_loc_dummy): New function.
3757 (emitted_notes): New variable.
3758 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3759 that weren't used for any other decl in current
3760 emit_notes_for_changes call call vt_expand_loc_dummy to update
3761 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3762 first loc_chain location if NULL before. Always use just
3763 cur_loc instead of first loc_chain location. When cur_loc_changed
3764 is false, when not --enable-checking=rtl just don't emit any note.
3765 When rtl checking, compute the note and assert it is the same
3766 as previous note. Clear cur_loc_changed and in_changed_variables
3767 at the end before removing from changed_variables.
3768 (check_changed_vars_3): New function.
3769 (emit_notes_for_changes): Traverse changed_vars to call
3770 check_changed_vars_3 on each changed var.
3771 (emit_notes_for_differences_1): Clear cur_loc_changed and
3772 in_changed_variables. Recompute cur_loc of new_var.
3773 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3774 (vt_emit_notes): Initialize and destroy emitted_notes.
3776 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3778 PR rtl-optimization/42220
3779 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3780 Use verify_reg_tracked to determine if we should use OP_OUT rather
3781 than OP_INOUT.
3782 (build_def_use): If we see an in-out operand for a register that we
3783 know nothing about, treat is an output if possible, fail the block if
3784 not.
3786 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3788 PR debug/42897
3789 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3790 permanently.
3792 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3794 PR debug/42897
3795 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3796 uses of relevant DEFs that are dead outside the loop too.
3798 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3800 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3801 Reverted:
3802 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3803 PR debug/41371
3804 * var-tracking.c (values_to_unmark): New variable.
3805 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3806 values_to_unmark vector. Moved body to...
3807 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3808 instead queue it into values_to_unmark vector.
3809 (vt_find_locations): Free values_to_unmark vector.
3811 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3813 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3814 (site.exp): Export them when plugins are enabled.
3816 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3818 PR middle-end/42326
3819 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3820 that contain scevs.
3821 (chrec_fold_multiply): Same.
3823 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3825 PR c/43248
3826 * c-decl.c (build_compound_literal): Return early if init is
3827 an error_mark_node.
3829 2010-03-04 Martin Jambor <mjambor@suse.cz>
3831 PR tree-optimization/43164
3832 PR tree-optimization/43191
3833 * tree-sra.c (type_consists_of_records_p): Reject records with
3834 zero-size bit-fields at the end.
3836 2010-03-04 Mike Stump <mikestump@comcast.net>
3838 * Makefile.in (TAGS): Remove *.y.
3840 2010-03-04 Richard Guenther <rguenther@suse.de>
3842 PR tree-optimization/40761
3843 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3844 in reverse order.
3845 (my_rev_post_order_compute): New function.
3846 (init_pre): Call it.
3848 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3850 PR middle-end/43209
3851 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3852 decrease the cost of an IV candidate when the cost is infinite.
3854 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3856 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3857 Use '3DNow!' for the extension of that name, ensure normal space
3858 after the string.
3859 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3861 2010-03-03 Jeff Law <law@redhat.com>
3863 * PR middle-end/32693
3864 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3865 than gen_rtx_SUBREG.
3866 (extract_bit_field_1): Likewise.
3868 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3870 * doc/sourcebuild.texi (Test directives): Document that arguments
3871 include-opts and exclude-opts are now optional for dg-skip-if,
3872 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3874 2010-03-03 Jason Merrill <jason@redhat.com>
3876 PR c++/12909
3877 * cgraph.h (varpool_node): Add extra_name field.
3878 * varpool.c (varpool_extra_name_alias): New.
3879 (varpool_assemble_decl): Emit extra name aliases.
3880 (varpool_mark_needed_node): Look past an extra name alias.
3881 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3882 * lto-streamer-in.c (lto_input_tree): Read it.
3883 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3885 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3887 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3888 (sparc*-*-solaris2*): ...this.
3890 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3892 PR debug/43229
3893 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3894 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3895 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3896 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3898 PR debug/43237
3899 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3900 fallthrough to default handling, just with want_address 0 instead of 2.
3901 For single element lists, add_AT_loc directly, otherwise create an
3902 artificial variable DIE and stick location list to it.
3904 PR debug/43177
3905 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3906 (VAL_EXPR_HAS_REVERSE): Define.
3907 (reverse_op): New function.
3908 (add_stores): For reversible operations add an extra MO_VAL_USE.
3910 2010-03-02 Jason Merrill <jason@redhat.com>
3912 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3914 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3916 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3917 (sparc64-*-linux*): Likewise.
3918 (sparc64-*-solaris2*): Include assembler files before linker ones.
3919 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3920 * config/sparc/gas.h: Delete.
3921 * config/sparc/sol2-64.h: Add copyright notice.
3922 * config/sparc/sol2-gas-bi.h: Likewise.
3923 * config/sparc/sol2-gld.h: Likewise.
3924 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3925 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3926 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3927 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3928 (sparc_elf_asm_named_section): Rename into...
3929 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3931 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3933 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3935 2010-03-02 Jeff Law <law@redhat.com>
3937 PR middle-end/42431
3938 * reload1.c (rtx_p, substitute_stack): Declare.
3939 (substitute): Record addresses of changed rtxs.
3940 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3941 Restore the original rtx when complete.
3942 (reload): Free subsitute_stack when complete.
3944 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3946 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3947 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3948 new chapter.
3949 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3950 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3951 Torture Tests): Change from subsection to section.
3953 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3954 Steven Bosscher <steven@gcc.gnu.org>
3956 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3957 instead of bb.
3959 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3961 PR middle-end/42640
3962 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3963 the assignment from the new induction variable to the assignment
3964 of the value from the original loop PHI function.
3966 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3967 Daniel Jacobowitz <dan@codesourcery.com>
3969 * doc/sourcebuild.texi (Test directives): Clarify options to
3970 dg-skip-if.
3972 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3974 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3975 Disable cfi directives unless GCC and gas agree on using read-only
3976 .eh_frame sections for 64-bit.
3977 * configure: Regenerate.
3979 2010-03-01 Richard Guenther <rguenther@suse.de>
3981 PR tree-optimization/43220
3982 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3983 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3985 2010-03-01 Richard Guenther <rguenther@suse.de>
3986 Martin Jambor <mjambor@suse.cz>
3988 PR middle-end/41250
3989 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3990 gimplified parameters.
3992 2010-03-01 Christian Bruel <christian.bruel@st.com>
3994 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3996 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3998 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4000 2010-03-01 Richard Guenther <rguenther@suse.de>
4002 PR middle-end/43213
4003 * expr.c (expand_assignment): Use the alias-oracle to tell
4004 if the rhs aliases the result decl.
4006 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4008 PR pch/14940
4009 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4010 to sol_gt_pch_get_address.
4011 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4012 64-bit, SPARC and x86.
4013 (sol_gt_pch_get_address): New function.
4015 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4017 * toplev.h (inform_n, error_n): Declare.
4018 * diagnostic.c (inform_n, error_n): New function.
4020 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4022 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4023 has no rtl yet when processing local_decls, queue it and recheck
4024 if deferred stack allocation hasn't assigned it rtl.
4026 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4028 * config/sh/sh.c (unspec_bbr_uid): New.
4029 (gen_block_redirect): Use it instead of INSN_UID.
4030 (gen_far_branch): Likewise.
4032 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4034 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4035 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4037 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4039 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4040 (Warning Options): -Wno-conversion-null is valid for
4041 Objective-C++ as well.
4042 * doc/tm.texi (Named Address Spaces): Likewise.
4043 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4044 * doc/tree-ssa.texi (Tree SSA): Likewise.
4046 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4048 PR bootstrap/43202
4049 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4050 by default. Don't set the default arch for
4051 i[34567]86-*-darwin*|x86_64-*-darwin*.
4053 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4055 PR bootstrap/43202
4056 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4057 default. Set the default 32bit/64bit archs with $with_arch
4058 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4060 2010-02-27 Richard Guenther <rguenther@suse.de>
4062 PR tree-optimization/43186
4063 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4064 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4065 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4066 unroller iterations.
4068 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4070 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4071 required and i[34567]86-*-* targets don't support 64bit ISA.
4073 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4075 PR ada/43096
4076 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4077 the same alias set.
4079 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4081 * config.gcc: Set the default arch at least to Prescott for
4082 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4083 if SSE math is enabled.
4085 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4087 * diagnostic.c (diagnostic_initialize): Update.
4088 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4089 informative notes.
4090 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4091 (diagnostic_inhibit_notes): New.
4092 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4094 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4096 PR c/20631
4097 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4098 * doc/standards.texi: Likewise.
4099 * doc/extend.texi: Likewise.
4100 * doc/trouble.texi: Likewise.
4101 * doc/cppopts.texi: Likewise.
4102 * doc/install.texi: Likewise.
4103 * c.opt (std=c90,std=gnu90): New options.
4104 * c-opts.c (c_common_handle_option): Handle them.
4106 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4108 PR c/24577
4109 * c-decl.c (undeclared_variable): Use an informative note.
4111 2010-02-26 Richard Guenther <rguenther@suse.de>
4113 PR tree-optimization/43186
4114 * gimple.h (gimple_fold): Remove.
4115 * gimple.c (gimple_fold): Remove. Inline into single user ...
4116 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4117 Try harder for conditions.
4119 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4121 PR debug/43190
4122 * function.c (used_types_insert): Don't skip through named pointer
4123 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4124 and it is different from the main variant's type.
4126 2010-02-26 Nick Clifton <nickc@redhat.com>
4128 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4130 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4132 * config.gcc: Support --with-fpmath=sse for x86.
4134 * config/i386/ssemath.h: New.
4136 * doc/install.texi (--with-fpmath=sse): Documented.
4138 2010-02-26 Richard Guenther <rguenther@suse.de>
4140 PR tree-optimization/43188
4141 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4142 vector types of over-aligned element type.
4144 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4146 PR target/43175
4147 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4148 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4150 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4152 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4154 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4156 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4157 * var-tracking.c: Include diagnostic.h.
4158 (debug_dv): New function.
4159 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4161 PR debug/43160
4162 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4163 (add_value_chain, add_value_chains, remove_value_chain,
4164 remove_value_chains): Handle DEBUG_EXPRs.
4165 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4167 PR debug/43161
4168 * regcprop.c (struct queued_debug_insn_change): New type.
4169 (struct value_data_entry): Add debug_insn_changes field.
4170 (struct value_data): Add n_debug_insn_changes field.
4171 (debug_insn_changes_pool): New variable.
4172 (free_debug_insn_changes, apply_debug_insn_changes,
4173 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4174 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4175 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4176 fields.
4177 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4178 changes for them.
4179 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4180 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4181 changes, call cprop_find_used_regs via note_stores.
4182 (copyprop_hardreg_forward): When copying vd from predecessor
4183 which has any queued DEBUG_INSN changes, make sure the pointers are
4184 cleared. At the end call df_analyze and then if there are any
4185 DEBUG_INSN changes queued at the end of some basic block for still
4186 live registers, apply them.
4187 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4189 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4191 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4192 (arm*-*-*): Ditto.
4194 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4196 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4197 targets. Set the default with_cpu/with_arch from arch/cpu.
4198 Allow x86-64 and native for with_cpu/with_arch.
4200 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4202 * ebitmap.c: Change calls to verify_popcount with calls to
4203 sbitmap_verify_popcount.
4204 (ebitmap_clear_bit): Fixed map->cacheindex test and
4205 map>cache update when bit clearing results in an empty
4206 element.
4208 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4210 PR target/43154
4211 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4212 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4213 and support both V2DF and V2DI modes.
4214 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4215 support both V2DF and V2DI modes.
4216 (general): Delete trailing whitespace from a few patterns.
4218 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4219 V2DF/V2DI interleave high/low builtins.
4221 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4222 new VSX builtins.
4224 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4225 interleave high/low functions.
4227 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4229 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4230 #pragma extern_prefix.
4232 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4234 PR debug/43166
4235 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4236 BLKmode, assert op0 is a MEM and just adjust its mode.
4238 PR debug/43165
4239 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4240 if bitpos isn't multiple of mode's bitsize.
4242 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4244 * c.opt (-ftemplate-depth=): New.
4245 (-ftemplate-depth-): Deprecate.
4246 * optc-gen.awk: Handle -ftemplate-depth=.
4247 * opth-gen.awk: Likewise.
4248 * c-opts.c (c_common_handle_option): Likewise.
4249 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4251 2010-02-24 Jason Merrill <jason@redhat.com>
4253 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4255 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4257 * cfg.c (alloc_aux_for_block): Remove inline.
4258 (alloc_aux_for_edge): Likewise.
4260 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4262 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4264 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4266 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4267 * config/i386/sol2-gas.h: New file.
4268 * config.gcc (i[34567]86-*-solaris2*): Use it.
4270 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4272 PR c/43128
4273 * c-typeck.c (ep_convert_and_check): New.
4274 (build_conditional_expr): Use it.
4275 (build_binary_op): Likewise.
4277 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4279 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4281 PR debug/43150
4282 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4283 bounds even for -O+.
4284 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4285 expr needs to have DECL_NAME set.
4287 2010-02-24 Nick Clifton <nickc@redhat.com>
4289 * config/mep/mep.c: Include gimple.h.
4290 (mep_function_uses_sp): Delete unused function.
4291 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4292 parameters. Use unsigned integers to count args. Return a
4293 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4295 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4297 PR target/43107
4298 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4299 greater or equal to nelt instead of 2 * nelt.
4300 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4301 with nelt - 1.
4303 2010-02-23 Jason Merrill <jason@redhat.com>
4305 PR debug/42800
4306 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4307 in cfun->local_decls even if they have register types.
4309 PR c++/42837
4310 * stor-layout.c (place_field): Don't warn about unnecessary
4311 DECL_PACKED if the type is packed.
4313 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4315 PR target/43139
4316 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4317 GOTOFF relocs, even when the base reg isn't pic pointer.
4319 2010-02-23 Michael Matz <matz@suse.de>
4321 PR debug/43077
4322 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4323 (expand_gimple_basic_block): Generate and use debug temps if there
4324 are debug uses left after the last real use of TERed ssa names.
4325 Unlink debug immediate uses when they are expanded.
4327 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4329 PR 43123
4330 * config/i386/i386.c (override_options): Reorganise to provide
4331 better error messages.
4333 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4335 PR middle-end/43083
4336 * graphite-scop-detection.c (create_single_exit_edge): Move
4337 the call to find_single_exit_edge to....
4338 (create_sese_edges): ...here. Don't handle multiple edges
4339 exiting the function.
4340 (build_graphite_scops): Don't handle multiple edges
4341 exiting the function.
4343 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4345 PR middle-end/43097
4346 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4347 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4349 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4351 PR middle-end/43026
4352 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4354 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4356 PR c++/43126
4357 * c-typeck.c (convert_arguments): Print declaration location.
4358 * c-common.c (validate_nargs): Rename as
4359 builtin_function_validate_nargs.
4360 (check_builtin_function_arguments): Update.
4362 2010-02-22 Richard Guenther <rguenther@suse.de>
4364 PR lto/43045
4365 * tree-inline.c (declare_return_variable): Use the type of
4366 the call stmt lhs if available.
4368 2010-02-22 Duncan Sands <baldrick@free.fr>
4370 * passes.c (register_pass): Always consider all pass lists when
4371 ref_pass_instance_number is zero.
4373 2010-02-22 Richard Guenther <rguenther@suse.de>
4375 PR tree-optimization/42749
4376 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4377 parameter. Do arithmetic in the original type.
4378 (update_accumulator_with_ops): Likewise.
4379 (adjust_accumulator_values): Adjust.
4381 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4383 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4384 (QI to BLKmode splitter): New splitter.
4386 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4388 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4389 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4391 2010-02-22 Richard Guenther <rguenther@suse.de>
4393 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4395 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4397 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4398 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4399 ($(T)crti.o, $(T)crtn.o): Remove rules.
4401 2010-02-21 Tobias Burnus <burnus@net-b.de>
4403 PR fortran/35259
4404 * doc/invoke.texi (-fassociative-math): Document that this
4405 option is automatically enabled for Fortran.
4407 2010-02-20 David S. Miller <davem@davemloft.net>
4409 * configure.ac: Test if linker and assembler properly support
4410 GOTDATA_OP relocations.
4411 * configure: Rebuild.
4412 * config.in: Likewise.
4413 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4414 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4415 (movsi_high_pic): Likewise.
4416 (movdi_lo_sum_pic): Likewise.
4417 (movdi_high_pic): Likewise.
4418 (movsi_pic_gotdata_op): New pattern.
4419 (movdi_pic_gotdata_op): Likewise.
4420 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4421 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4423 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4425 PR target/43067
4426 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4427 attribute to ssemul.
4428 (xop_mulv2div2di3_high): Ditto.
4430 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4432 PR c++/35669
4433 * c.opt (Wconversion-null): New option.
4434 * doc/invoke.texi (Wconversion-null): Document.
4436 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4438 * common.opt (Wlarger-than-): Add Undocumented.
4440 2010-02-19 Mike Stump <mikestump@comcast.net>
4442 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4444 2010-02-19 Jason Merrill <jason@redhat.com>
4446 PR target/40332
4447 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4448 * configure: Likewise.
4450 2010-02-20 Alan Modra <amodra@gmail.com>
4452 PR middle-end/42344
4453 * cgraph.h (cgraph_make_decl_local): Declare.
4454 * cgraph.c (cgraph_make_decl_local): New function.
4455 (cgraph_make_node_local): Use it.
4456 * cgraphunit.c (cgraph_function_versioning): Likewise.
4457 * ipa.c (function_and_variable_visibility): Likewise.
4459 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4461 PR bootstrap/43121
4462 * except.c (sjlj_emit_function_enter): Don't call
4463 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4464 directly.
4465 * rtl.h (add_reg_br_prob_note): Remove prototype.
4467 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4469 PR 41779
4470 * c-common.c (conversion_warning): Remove widening conversions
4471 before checking the conversion of integers to reals.
4473 2010-02-19 Mike Stump <mikestump@comcast.net>
4475 PR middle-end/43125
4476 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4478 PR objc/43061
4479 * cgraphunit.c (process_function_and_variable_attributes): Check
4480 DECL_PRESERVE_P instead of looking up attribute "used".
4481 * ipa-pure-const.c (check_decl): Likewise.
4482 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4483 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4484 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4485 instead of attribute "used".
4486 * config/sol2-c.c (solaris_pragma_init): Likewise.
4487 (solaris_pragma_fini): Likewise.
4489 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4491 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4492 Use XCNEW instead of xcalloc.
4493 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4494 XNEW instead of xmalloc.
4495 (get_fields): Use XNEWVEC instead of xmalloc.
4497 PR debug/43084
4498 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4499 populate vars array.
4500 (create_new_general_access): For debug stmts just reset value.
4501 (get_stmt_accesses): For accesses within debug stmts just record them
4502 using add_access_to_acc_sites instead of preventing the peeling or
4503 counting them as accesses.
4505 PR middle-end/42233
4506 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4508 2010-02-19 Richard Guenther <rguenther@suse.de>
4510 PR tree-optimization/42916
4511 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4512 instructions.
4514 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4516 * configure.ac: Replace all uses of changequote in macro arguments
4517 with proper quoting.
4519 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4521 PR middle-end/42233
4522 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4524 2010-02-19 Richard Guenther <rguenther@suse.de>
4526 PR tree-optimization/42944
4527 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4528 test for aliasing with errno.
4530 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4532 PR middle-end/42233
4533 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4534 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4535 * dojump.c: Include output.h.
4536 (inv): New inline function.
4537 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4538 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4539 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4540 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4541 argument, pass it down to other calls.
4542 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4543 add REG_BR_PROB note to the conditional jump.
4544 * cfgexpand.c (add_reg_br_prob_note): Removed.
4545 (expand_gimple_cond): Don't call it, add the probability
4546 as last argument to jumpif_1/jumpifnot_1.
4547 * Makefile.in (dojump.o): Depend on output.h.
4548 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4549 callers.
4550 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4551 * stmt.c (do_jump_if_equal): Likewise.
4552 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4553 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4554 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4555 Likewise.
4556 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4557 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4558 jumpifnot_1 callers.
4559 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4560 callers.
4561 (store_expr): Adjust jumpifnot caller.
4562 (store_constructor): Adjust jumpif caller.
4564 PR middle-end/42233
4565 * gimplify.c (gimple_boolify): For __builtin_expect call
4566 gimple_boolify also on its first argument.
4568 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4570 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4571 changequote block.
4572 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4573 * configure: Regenerated.
4575 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4577 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4578 lang_hooks.types_compatible_p instead of comptypes.
4580 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4582 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4583 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4584 if __prefer_thumb__ is defined.
4586 2010-02-18 Martin Jambor <mjambor@suse.cz>
4588 PR tree-optimization/43066
4589 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4590 array with zero-sized element type.
4592 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4594 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4595 rtx, allocate struct var_loc_node here and return it to the
4596 caller, and only if it is actually needed.
4597 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4598 move it earlier and return immediately if it returns NULL.
4600 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4602 * config/sparc/gas.h: New file. Restore
4603 TARGET_ASM_NAMED_SECTION to its ELF default.
4604 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4605 check !HAVE_GNU_AS.
4606 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4607 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4608 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4609 after sparc/sysv4.h.
4611 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4613 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4615 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4617 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4618 patterns from predicated pattern.
4620 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4622 PR target/43103
4623 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4624 for insn mnemonic suffix.
4626 2010-02-17 Richard Guenther <rguenther@suse.de>
4628 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4629 to loop PHI nodes.
4631 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4633 PR debug/42918
4634 * caller-save.c (save_call_clobbered_regs): If BB ends with
4635 a DEBUG_INSN, move any notes in between last real insn and the last
4636 DEBUG_INSN after the last DEBUG_INSN.
4638 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4640 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4641 Fix return type. Fix argument type. Explain meaning of return value.
4643 2010-02-16 Richard Guenther <rguenther@suse.de>
4645 PR tree-optimization/41043
4646 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4647 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4648 statements ...
4649 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4651 2010-02-16 Ira Rosen <irar@il.ibm.com>
4653 PR tree-optimization/43074
4654 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4655 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4656 vectorizable cycles in hybrid SLP check.
4657 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4659 2010-02-16 Richard Guenther <rguenther@suse.de>
4661 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4662 (true_dependence): If memrefs_conflict_p computes must-alias
4663 trust it. Move TBAA check after offset-based disambiguation.
4664 (canon_true_dependence): Likewise.
4666 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4668 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4669 * doc/invoke.texi: Document it.
4670 * var-tracking.c: Include toplev.h and params.h.
4671 (vt_find_locations): Return bool indicating success. Compute
4672 hash sizes unconditionally. Check new parameter, report.
4673 (variable_tracking_main_1): Check vt_find_locations results and
4674 retry. Renamed from...
4675 (variable_tracking_main): ... this. New wrapper to preserve
4676 flag_var_tracking_assignments.
4677 * Makefile.in (var-tracking.o): Adjust dependencies.
4679 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4680 Jakub Jelinek <jakub@redhat.com>
4682 PR target/42854
4683 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4684 if weak_import attribute is present.
4685 * config/darwin.c (machopic_select_section): Likewise.
4687 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4689 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4690 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4691 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4692 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4694 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
4696 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4697 Fix argument types.
4699 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4700 Rewrite text to refer to the names.
4702 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4704 * config/i386/i386-builtin-types.def
4705 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4706 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4707 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4708 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4709 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4710 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4711 IX86_BUILTIN_VPERMIL2PS256.
4712 (MULTI_ARG_4_DF2_DI_I): Defined.
4713 (MULTI_ARG_4_DF2_DI_I1): Defined.
4714 (MULTI_ARG_4_SF2_SI_I): Defined.
4715 (MULTI_ARG_4_SF2_SI_I1): Defined.
4716 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4717 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4718 __builtin_ia32_vpermil2ps256.
4719 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4720 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4721 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4722 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4723 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4724 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4725 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4726 CODE_FOR_xop_vpermil2v8sf3.
4727 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4728 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4729 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4730 (_mm256_permute2_pd): New.
4731 (_mm_permute2_ps): New.
4732 (_mm256_permute2_ps): New.
4734 2010-02-15 Nick Clifton <nickc@redhat.com>
4736 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4737 boolean parameters. Use emit_jump_insn when emitting a pop
4738 instruction containing a return insn.
4739 (push): Use 'true' rather than '1' as second parameter to F.
4740 (h8300_expand_prologue): Likewise.
4741 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4742 (h8300_expand_epilogue): Likewise.
4744 2010-02-15 Richard Guenther <rguenther@suse.de>
4746 PR middle-end/43068
4747 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4748 if that is zero.
4750 2010-02-15 Nick Clifton <nickc@redhat.com>
4752 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4753 delta.
4755 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4757 * intl.c (fake_ngettext): New function.
4758 * intl.h (fake_ngettext): Declare.
4759 (ngettext): Define macro.
4760 * collect2.c (notice_translated): New function.
4761 (main): Use notice_translated and ngettext.
4762 * collect2.h (notice_translated): Declare.
4764 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4766 * reorg.c (delete_computation): Comment fixes.
4767 * caller-save.c (setup_save_areas): Idem.
4768 * sel-sched-dump.c (dump_lv_set): Idem.
4769 * rtl.def: Idem.
4771 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4773 * config/s390/s390.c (s390_sched_init): New function.
4774 (TARGET_SCHED_INIT): Target hook defined.
4776 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4777 Jack Howarth <howarth@bromo.med.uc.edu>
4778 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4780 PR target/42982
4781 Partial revert of unintended change in fix for PR41605.
4782 * config/darwin.h: Fix typo.
4783 * config/darwin9.h: Same.
4785 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4787 * c-pch.c (pch_init): Clear v.
4789 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4791 PR middle-end/42930
4792 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4793 graphite_can_represent_init for MULT_EXPR.
4795 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4797 PR middle-end/42914
4798 PR middle-end/42530
4799 * graphite-sese-to-poly.c (remove_phi): New.
4800 (translate_scalar_reduction_to_array): Call remove_phi.
4802 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4804 PR middle-end/42771
4805 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4806 * graphite-clast-to-gimple.h (gloog): Update declaration.
4807 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4808 * graphite-poly.h (struct poly_bb): Add missing comments.
4809 (struct scop): Add poly_scop_p field.
4810 (POLY_SCOP_P): New.
4811 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4812 * graphite.c (graphite_transform_loops): Build the polyhedral
4813 representation for each scop before code generation.
4814 * sese.c (rename_variables_in_operand): Removed.
4815 (rename_variables_in_expr): Return the renamed expression.
4816 (rename_sese_parameters): New.
4817 * sese.h (rename_sese_parameters): Declared.
4819 2010-02-11 Richard Guenther <rguenther@suse.de>
4821 PR tree-optimization/42998
4822 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4823 POINTER_PLUS_EXPR properly.
4825 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4826 Changpeng Fang <changpeng.fang@amd.com>
4828 PR middle-end/40886
4829 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4830 the cost of an IV candidate when the IV is used in a test against zero.
4832 * gcc.dg/tree-ssa/ivopts-3.c: New.
4834 2010-02-11 Richard Guenther <rguenther@suse.de>
4836 PR lto/41664
4837 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4838 pointer-vs-decl case by swapping refs. Handle some cases
4839 of pointer-vs-decl disambiguations more conservatively.
4840 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4841 to false after expanding.
4843 2010-02-11 Richard Guenther <rguenther@suse.de>
4845 PR driver/43021
4846 * gcc.c (process_command): Handle LTO file@offset case more
4847 appropriately.
4849 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4851 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4852 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4853 of DEBUG_INSNs.
4854 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4856 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4857 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4858 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4859 Optimize eq/ne comparisons when both arguments are known to be
4860 zero-extended.
4861 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4862 Don't mask operands unnecessarily if they are known to be already
4863 zero-extended.
4865 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4867 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4868 instead of loop.
4870 2010-02-10 Richard Guenther <rguenther@suse.de>
4872 PR tree-optimization/43017
4873 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4874 for wrapping signed arithmetic.
4876 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4878 PR debug/43010
4879 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4880 if no debug info should be emitted for it.
4882 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4884 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4885 note when flag_exceptions is set.
4887 2010-02-10 Duncan Sands <baldrick@free.fr>
4889 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4891 2010-02-10 Richard Guenther <rguenther@suse.de>
4893 PR c/43007
4894 * tree.c (get_unwidened): Handle constants.
4895 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4897 2010-02-10 Martin Jambor <mjambor@suse.cz>
4899 PR lto/42985
4900 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4901 check for variable argument counts independently.
4903 2010-02-10 Christian Bruel <christian.bruel@st.com>
4905 PR target/42841
4906 * config/sh/sh.c (find_barrier): Increase length for non delayed
4907 conditional branches.
4909 2010-02-10 Christian Bruel <christian.bruel@st.com>
4911 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4913 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4915 * builtins.c (set_builtin_user_assembler_name): Also handle
4916 ffs if int is smaller than word.
4918 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4920 PR middle-end/42973
4921 * ira-conflicts.c (get_dup): Remove.
4922 (process_reg_shuffles): Add new parameter. Use it as an
4923 additional guard for copy generation.
4924 (add_insn_allocno_copies): Rewrite.
4926 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4928 * common.opt (fsched2-use-traces): Preserved for backward
4929 compatibility.
4930 * doc/invoke.texi: Remove the documentation about option
4931 -fsched2-use-traces.
4932 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4933 flag_sched2_use_traces.
4934 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4935 the backward compatibility flag section.
4937 2010-02-09 Richard Guenther <rguenther@suse.de>
4939 PR tree-optimization/43008
4940 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4941 make HEAP variables initialized from global memory if they
4942 are not known builtin functions.
4943 (find_func_aliases): Adjust.
4945 2010-02-09 Richard Guenther <rguenther@suse.de>
4947 PR tree-optimization/43000
4948 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4949 arithmetic manually.
4951 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4953 PR tree-optimization/42931
4954 * tree-loop-linear.c (try_interchange_loops): Don't call
4955 double_int_mul if estimated_loop_iterations failed.
4957 2010-02-08 Martin Jambor <mjambor@suse.cz>
4959 PR middle-end/42898
4960 * tree-sra.c (build_accesses_from_assign): Do not mark in
4961 should_scalarize_away_bitmap if stmt has volatile ops.
4962 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4963 has volatile ops.
4965 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4967 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4969 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4971 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4972 before the pattern.
4974 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4976 PR middle-end/42946
4977 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4979 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4981 PR middle-end/42988
4982 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4983 to unknown_dependence.
4984 (graphite_legal_transform_dr): Handle the unknown_dependence.
4985 (graphite_carried_dependence_level_k): Same.
4987 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4989 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4991 2010-02-07 Richard Guenther <rguenther@suse.de>
4993 PR middle-end/42991
4994 * expr.c (get_inner_reference): Always initialize *pbitsize.
4996 2010-02-07 Richard Guenther <rguenther@suse.de>
4998 PR middle-end/42956
4999 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5000 new ARRAY_REFs on variable size element or minimal index arrays.
5001 Complete.
5002 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5003 gimple_fold_indirect_ref.
5005 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5007 PR target/42957
5008 * arm.c (arm_override_options): Just return if the user has specified
5009 an invalid fpu name.
5011 2010-02-03 Jason Merrill <jason@redhat.com>
5013 PR c++/42870
5014 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5015 i386_pe_maybe_record_exported_symbol.
5017 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5019 PR target/42924
5020 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5021 (pa_delegitimize_address): New function.
5023 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5025 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5026 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5028 2010-02-05 Richard Guenther <rguenther@suse.de>
5030 PR lto/42762
5031 * lto-streamer-in.c (get_resolution): Deal with references
5032 to undefined functions.
5034 2010-02-05 Richard Guenther <rguenther@suse.de>
5036 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5037 (fold_const_aggregate_ref): Likewise.
5038 (ccp_fold_stmt): Substitute loads.
5039 (maybe_fold_reference): Verify types before substituting.
5040 Unshare properly.
5041 (fold_gimple_assign): Unshare properly.
5042 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5044 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5046 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5047 for rs6000_gen_cell_microcode.
5049 2010-02-04 Richard Guenther <rguenther@suse.de>
5051 PR rtl-optimization/42952
5052 * dse.c (const_or_frame_p): Remove MEM handling.
5054 2010-02-04 Nick Clifton <nickc@redhat.com>
5056 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5057 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5058 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5059 (mn10300_asm_output_mi_thunk): New function.
5060 (mn10300_can_output_mu_thunk): New function.
5061 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5062 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5063 (FUNCTION_ARG): Delete incorrect comment.
5065 2010-02-03 Jason Merrill <jason@redhat.com>
5067 PR c++/40138
5068 * fold-const.c (operand_equal_p): Handle erroneous types.
5070 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5072 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5074 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5076 PR rtl-optimization/42941
5077 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5078 of xmalloc.
5080 2010-02-03 Jason Merrill <jason@redhat.com>
5082 PR c++/35652
5083 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5085 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5087 PR debug/42896
5088 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5089 (cselib_reset_table): Renamed from...
5090 (cselib_reset_table_with_next_value): ... this.
5091 (cselib_get_next_uid): Renamed from...
5092 (cselib_get_next_unknown_value): ... this.
5093 * cselib.c (next_uid): Renamed from...
5094 (next_unknown_value): ... this.
5095 (cselib_clear_table): Adjust.
5096 (cselib_reset_table): Adjust. Renamed from...
5097 (cselib_reset_table_with_next_value): ... this.
5098 (cselib_get_next_uid): Adjust. Renamed from...
5099 (cselib_get_next_unknown_value): ... this.
5100 (get_value_hash): Use hash.
5101 (cselib_hash_rtx): Likewise.
5102 (new_cselib_val): Adjust. Set and dump uid.
5103 (cselib_lookup_mem): Pass next_uid as hash.
5104 (cselib_subst_to_values): Likewise.
5105 (cselib_log_lookup): Dump uid.
5106 (cselib_lookup): Pass next_uid as hash. Adjust.
5107 (cselib_process_insn): Adjust.
5108 (cselib_init): Initialize next_uid.
5109 (cselib_finish): Adjust.
5110 (dump_cselib_table): Likewise.
5111 * dse.c (canon_address): Dump value uid.
5112 * print-rtl.c (print_rtx): Print value uid.
5113 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5114 (dvuid): New type.
5115 (dv_uid): New function, sort of renamed from...
5116 (dv_htab_hash): ... this, reimplemented in terms of it and...
5117 (dv_uid2hash): ... this. New.
5118 (variable_htab_eq): Drop excess assertions.
5119 (tie_break_pointers): Removed.
5120 (canon_value_cmp): Compare uids.
5121 (variable_post_merge_New_vals): Print uids.
5122 (vt_add_function_parameters): Adjust.
5123 (vt_initialize): Reset table. Adjust.
5125 2010-02-03 Richard Guenther <rguenther@suse.de>
5127 PR tree-optimization/42944
5128 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5129 (call_may_clobber_ref_p_1): Likewise. Properly handle
5130 malloc and calloc clobbering errno.
5132 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5134 * doc/invoke.texi: Fix name of sched1 dump.
5136 * opts.c (decode_options): Set flag_tree_switch_conversion
5137 only conditionally on optimize >= 2.
5139 * gcse.c: Assorted comment fixes in pass description.
5141 2010-02-03 Anthony Green <green@moxielogic.com>
5143 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5144 nop padding in order to maintain alignment of storage location of
5145 target function address.
5146 (moxie_trampoline_init): Store target function address at newly
5147 aligned location.
5148 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5149 to 32.
5150 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5152 2010-02-03 Richard Guenther <rguenther@suse.de>
5154 PR middle-end/42927
5155 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5157 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5159 * config.gcc: Reenable check for obsolete targets.
5160 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5161 mips-sgi-irix6.[0-4]*.
5163 2010-02-02 Nick Clifton <nickc@redhat.com>
5165 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5166 constant size of 4 as being the same as 0.
5167 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5168 can take values in the range 0..4.
5170 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5172 PR java/41991
5173 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5174 as _darwin10_Unwind_FindEnclosingFunction().
5175 * libgcc-libsystem.ver: New.
5177 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5179 PR target/41399
5180 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5181 implicitly set registers.
5183 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5185 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5186 (arm_override_options): Allow automatic selection of the thread
5187 pointer register if thumb2.
5188 (legitimize_pic_address): Improve code sequences for Thumb2.
5189 (arm_call_tls_get_addr): Likewise.
5190 (legitimize_tls_address): Likewise.
5191 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5192 (pic_load_addr_32bit): ... this. New named pattern.
5193 * thumb2.md (pic_load_addr_thumb2): Delete.
5194 (pic_load_dot_plus_four): Delete.
5195 (tls_load_dot_plus_four): New named pattern.
5197 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5199 PR libgomp/29986
5200 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5201 Document fix for TLS bug.
5203 2010-01-31 Richard Guenther <rguenther@suse.de>
5205 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5206 conservatively correct.
5208 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5210 PR target/42850
5211 Revert:
5212 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5214 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5216 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5218 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5220 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5222 * config.gcc: Adjust order of makefile fragments for mingw targets.
5224 2010-01-31 Richard Guenther <rguenther@suse.de>
5226 PR middle-end/42898
5227 * gimplify.c (gimplify_init_constructor): For volatile LHS
5228 initialize a temporary.
5230 2010-01-31 Matthias Klose <doko@ubuntu.com>
5232 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5233 --with-headers
5234 * configure: Regenerate.
5236 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5238 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5239 the same alias set and their sizes different constantness.
5240 (aliasing_component_refs_p): Revert 2009-10-24 change.
5242 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5244 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5245 unused.
5247 2010-01-29 Richard Guenther <rguenther@suse.de>
5249 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5250 Assert we successfully updated the call.
5252 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5254 PR rtl-optimization/42889
5255 * df.h (df_set_bb_dirty_nonlr): New prototype.
5256 * df-core.c (df_set_bb_dirty_nonlr): New function.
5257 * df-scan.c (df_insn_rescan): Call it instead of
5258 df_set_bb_dirty for DEBUG_INSNs.
5260 2010-01-29 Richard Guenther <rguenther@suse.de>
5262 PR middle-end/37448
5263 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5264 quadratic behavior in most cases.
5266 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5268 PR target/42891
5269 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5270 in the call to gen_x86_movsicc_0_m1.
5272 2010-01-28 Richard Guenther <rguenther@suse.de>
5274 PR tree-optimization/42871
5275 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5277 2010-01-28 Richard Guenther <rguenther@suse.de>
5279 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5280 into call arguments.
5282 2010-01-28 Richard Guenther <rguenther@suse.de>
5284 PR middle-end/42883
5285 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5286 the forwarder if the destination is an EH landing pad.
5288 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5290 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5291 block list passed to gimple_duplicate_sese_tail.
5292 (parallelize_loops): Avoid parallelization when the function
5293 has_nonlocal_label.
5294 Avoid parallelization when the preheader is IRREDUCIBLE.
5295 Try to optimize when estimated_loop_iterations_int is unresolved.
5296 Add the loop's location to the dump file.
5297 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5298 (gimple_duplicate_sese_tail): Remove the check for the latch.
5299 Redirect nexits to the exit block.
5300 Remove handling of the incoming edges to the latch.
5301 Redirect the backedge from the copied latch to the exit bb.
5303 2010-01-28 Michael Matz <matz@suse.de>
5305 PR target/42881
5306 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5307 Wrap force_reg into a sequence, emit it before user.
5309 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5311 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5312 (arm_rev): New.
5313 (arm_legacy_rev): Likewise.
5314 (thumb_legacy_rev): Likewise.
5316 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5318 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5319 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5320 on MEM's address failed, try avoid_constant_pool_reference and
5321 recurse if it returned something different.
5322 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5323 address, try avoid_constant_pool_reference and recurse if it
5324 returned something different.
5325 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5326 address and avoid_constant_pool_reference returned something
5327 different, don't set have_address.
5329 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5331 PR debug/42861
5332 * var-tracking.c (val_store): Add modified argument, obey it.
5333 Adjust callers.
5334 (count_uses): Move down logging of main.
5335 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5336 don't need resolution.
5337 (emit_notes_in_bb): Likewise.
5339 2010-01-27 Richard Guenther <rguenther@suse.de>
5341 PR middle-end/42878
5342 * tree-inline.c (remap_decl): Delay remapping of SSA name
5343 default definitions until we need them.
5345 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5347 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5348 (rs6000_delegitimize_address): New function.
5350 * config/s390/s390.c (s390_delegitimize_address): Call
5351 delegitimize_mem_from_attrs.
5353 PR middle-end/42874
5354 * tree-inline.c (cannot_copy_type_1): Removed.
5355 (copy_forbidden): Don't forbid copying of functions containing
5356 records/unions with variable length fields.
5358 2010-01-27 Christian Bruel <christian.bruel@st.com>
5360 Revert:
5361 PR target/42841
5362 * config/sh/sh.c (find_barrier): Increase length for non delayed
5363 conditional branches.
5365 2010-01-27 Matthias Klose <doko@ubuntu.com>
5367 * configure.ac (gnu-unique-object): Fix ldd version check.
5368 * configure: Regenerate.
5370 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5372 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5373 HAVE_GNU_AS value.
5374 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5375 Test for HAVE_GNU_AS value.
5377 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5379 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5380 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5381 INT64_TYPE): Define.
5382 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5383 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5384 INT_LEAST64_TYPE): Define.
5385 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5386 UINT_LEAST64_TYPE): Define.
5387 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5388 INT_FAST64_TYPE): Define.
5389 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5390 UINT_FAST64_TYPE): Define.
5391 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5392 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5393 (SIG_ATOMIC_TYPE): Define.
5395 2010-01-26 Richard Guenther <rguenther@suse.de>
5397 * df-scan.c (df_scan_set_bb_info): Remove assert.
5398 (df_insn_rescan_debug_internal): Merge asserts.
5399 (df_install_ref): Likewise.
5400 (df_mark_reg): Use bitmap_set_range.
5401 (df_hard_reg_used_p): Remove assert.
5402 (df_hard_reg_used_count): Likewise.
5404 2010-01-26 Richard Guenther <rguenther@suse.de>
5406 PR rtl-optimization/42685
5407 * web.c (web_main): Ignore DEBUG_INSNs.
5409 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5411 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5413 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5414 Fix types of fndecl and arglist parameters.
5416 2010-01-26 Richard Guenther <rguenther@suse.de>
5418 PR middle-end/42806
5419 * tree-eh.c (unsplit_eh): Skip debug insns.
5421 2010-01-26 Richard Guenther <rguenther@suse.de>
5423 PR tree-optimization/42250
5424 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5426 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5428 PR fortran/42866
5429 * omp-low.c (expand_omp_sections): Only use single_pred if
5430 l2_bb is single_pred_p.
5432 2010-01-25 Christian Bruel <christian.bruel@st.com>
5434 PR target/42841
5435 * config/sh/sh.c (find_barrier): Increase length for non delayed
5436 conditional branches.
5437 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5439 2010-01-24 David S. Miller <davem@davemloft.net>
5441 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5442 define if not using GAS.
5443 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5444 Likewise. Delete SECTION_MERGE code, which is only applicable
5445 when using GAS.
5447 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5449 PR c++/42748
5450 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5451 mangling of va_list in system headers.
5453 2010-01-23 Toon Moene <toon@moene.org>
5455 * tree-predcom.c (combine_chains): Return NULL, not false.
5457 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5459 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5460 initialization of variable res to agree with return type.
5462 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5464 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5465 * tree-sra.c: Add include of expr.h.
5467 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5469 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5470 insert the debug stmt on the single non-EH edge from the stmt.
5472 2010-01-22 Richard Henderson <rth@redhat.com>
5474 PR tree-opt/42833
5475 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5476 the RHS until after generate_subtree_copies has insertted its
5477 code before the current statement.
5479 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5481 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5483 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5485 2010-01-21 Martin Jambor <mjambor@suse.cz>
5487 PR tree-optimization/42585
5488 * tree-sra.c (struct access): New field grp_total_scalarization.
5489 (dump_access): Dump the new field.
5490 (should_scalarize_away_bitmap): New variable.
5491 (cannot_scalarize_away_bitmap): Likewise.
5492 (sra_initialize): Allocate new bitmaps.
5493 (sra_deinitialize): Free new bitmaps.
5494 (create_access_1): New function.
5495 (create_access): Parts moved to create_access_1.
5496 (type_consists_of_records_p): New function.
5497 (completely_scalarize_record): Likewise.
5498 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5499 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5500 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5501 access.
5502 (analyze_all_variable_accesses): Completely scalarize small eligible
5503 records.
5505 2010-01-21 Martin Jambor <mjambor@suse.cz>
5507 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5509 2010-01-21 Andrew Haley <aph@redhat.com>
5511 * gcc.c (process_command): Move lang_specific_driver before
5512 setting cc_libexec_prefix.
5514 2010-01-21 Richard Guenther <rguenther@suse.de>
5516 PR middle-end/19988
5517 * fold-const.c (negate_expr_p): Pretend only negative
5518 real constants are easily negatable.
5520 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5521 Jason Merrill <jason@redhat.com>
5523 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5524 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5525 * calls.c (initialize argument_information): Handle it.
5526 * c-common.c (handle_transparent_union_attribute): Use new name.
5527 * c-decl.c (finish_struct): Ditto.
5528 * c-typeck.c (type_lists_compatible_p): Ditto.
5529 (convert_for_assignment): Use new name and also handle record.
5530 * function.c (aggregate_value_p): Handle it.
5531 (pass_by_reference): Ditto.
5532 (assign_parm_data_types): Ditto.
5533 * print-tree.c (print_node): Ditto.
5534 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5535 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5536 * tree.c (first_field): New fn.
5538 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5540 PR target/42818
5541 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5542 even when linking statically, for now.
5544 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5546 PR debug/42715
5547 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5548 without a cselib val.
5549 (count_uses): Accept MO_VAL_SET with no val on stores.
5550 (add_stores): Likewise.
5552 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5554 * var-tracking.c (check_value_val): Add a compile time assertion.
5555 (dv_is_decl_p): Simplify.
5556 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5557 gcc_assert if ENABLE_CHECKING.
5559 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5561 PR debug/42782
5562 * var-tracking.c: Include tree-flow.h.
5563 (mem_dies_at_call): New.
5564 (dataflow_set_preserve_mem_locs): Use it.
5565 (dataflow_set_remove_mem_locs): Likewise.
5566 (dump_var): Renamed from dump_variable. Adjust all callers.
5567 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5568 * Makefile.in (var-tracking.o): Adjust deps.
5570 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5572 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5574 2010-01-20 Richard Guenther <rguenther@suse.de>
5576 PR tree-optimization/42717
5577 * tree-ssa-dce.c (get_live_post_dom): Remove.
5578 (forward_edge_to_pdom): Take an arbitrary edge to copy
5579 degenerate PHI args from.
5580 (remove_dead_stmt): Use the first post-dominator even if it
5581 does not contain live statements as redirection destination.
5583 2010-01-20 Richard Guenther <rguenther@suse.de>
5585 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5587 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5589 * sel-sched.c (create_speculation_check): Remove set but not used
5590 variable twin.
5591 (try_transformation_cache): Remove set but not used variable ds.
5592 (calculate_privileged_insns): Remove set but not used variables
5593 cur_insn and min_spec_insn.
5594 (find_best_expr): Remove set but not used variable avail_n.
5595 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5596 variable e.
5597 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5598 false_label.
5599 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5600 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5601 new_scop_exit_edge.
5603 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5605 PR bootstrap/42786
5606 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5607 cpu types. Add support for *-sse3 cpu types.
5608 (x86_64-*-*): Ditto.
5610 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5612 PR middle-end/42803
5613 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5614 argument, call initializer_constant_valid_p_1 instead of
5615 initializer_constant_valid_p, pass CACHE to it, return NULL
5616 immediately if first call returns NULL.
5617 (initializer_constant_valid_p_1): New function.
5618 (initializer_constant_valid_p): Use it.
5620 2010-01-20 Thomas Quinot <quinot@adacore.com>
5622 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5624 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5626 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5627 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5628 (loc_list_from_tree): Don't handle unsigned division. Handle
5629 signed modulo using DW_OP_{over,over,div,mul,minus}.
5630 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5631 modulo instead of signed.
5633 2010-01-20 DJ Delorie <dj@redhat.com>
5635 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5636 (Fpa): Pass it
5637 (h8300_emit_stack_adjustment): Propogate it.
5638 (push): Pass it.
5639 (h8300_expand_prologue): Likewise.
5640 (h8300_expand_epilogue): Likewise.
5642 2010-01-19 Michael Matz <matz@suse.de>
5644 PR tree-optimization/41783
5645 * tree-data-ref.c (toplevel): Include flags.h.
5646 (dump_data_dependence_relation): Also dump the inputs if the
5647 result will be unknown.
5648 (split_constant_offset_1): Look through some conversions.
5649 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5650 the offset from last element is too large.
5651 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5652 (reassociate_to_the_same_stmt): Handle vector registers.
5653 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5654 (e.g. conversions).
5655 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5656 wide_prolog_niters argument, emit widening instructions.
5657 (vect_do_peeling_for_alignment): Adjust caller, use widened
5658 variant of the iteration cound.
5659 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5661 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5663 PR target/38697
5664 * config/arm/neon-testgen.m (emit_automatics): New parameter
5665 features. Adjust for Fixed_return_reg feature.
5666 (test_intrinsic): Call emit_automatics with new feature.
5667 * config/arm/neon.ml: Update copyright years.
5668 (features): New Fixed_return_reg feature.
5669 (ops): Update feature for Vget_low.
5671 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5673 PR tree-optimization/42719
5674 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5675 stmt uses.
5677 PR debug/42728
5678 * fwprop.c (all_uses_available_at): Return false if def_set dest
5679 is a REG that is used in def_insn.
5681 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5683 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5685 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5686 Add argument names.
5688 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5690 * target.h (struct gcc_target) <secondary_reload>: Change type
5691 of last argument to secondary_reload_info *.
5693 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5695 PR target/42774
5696 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5697 memory references with unaligned offsets. Remove CQImode handling.
5698 (unaligned_memory_operand): Return 1 for memory references with
5699 unaligned offsets. Remove CQImode handling.
5701 2010-01-18 Richard Guenther <rguenther@suse.de>
5703 PR middle-end/39954
5704 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5705 builtin calls.
5707 2010-01-18 Richard Guenther <rguenther@suse.de>
5709 PR tree-optimization/42781
5710 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5711 restrict processing only if the original variable was artificial.
5713 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5715 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5716 find number of popped argument bytes.
5718 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5719 Fix the text that describes the return value for invalid insns.
5721 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5723 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5724 Clarify what 'cost of the -dependence' is. Fix quoting.
5726 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5727 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5729 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5731 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5732 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5734 2010-01-17 Richard Guenther <rguenther@suse.de>
5736 PR middle-end/42248
5737 * function.c (split_complex_args): Take a VEC to modify.
5738 (assign_parms_augmented_arg_list): Build a VEC instead of
5739 a chain of PARM_DECLs.
5740 (assign_parms_unsplit_complex): Take a VEC of arguments.
5741 Do not fixup unmodified parms.
5742 (assign_parms): Deal with the VEC.
5743 (gimplify_parameters): Likewise.
5745 2010-01-17 Richard Guenther <rguenther@suse.de>
5747 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5748 node existence check.
5749 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5750 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5751 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5752 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5753 (gimple_execute_on_growing_pred): Likewise.
5755 2010-01-17 Richard Guenther <rguenther@suse.de>
5757 PR tree-optimization/42773
5758 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5759 (compute_antic_aux): Likewise.
5760 (compute_partial_antic_aux): Likewise.
5762 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5764 PR debug/42767
5765 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5766 and US_TRUNCATE.
5768 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5770 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5771 appearance.
5773 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5774 Fix markup for strict argument.
5776 (TARGET_SCHED_REORDER2): Fix argument types.
5778 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5779 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5781 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5782 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5784 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5785 Add argument name.
5787 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5788 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5789 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5790 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5791 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5793 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5795 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5797 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5798 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5800 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5802 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5803 Use prototype.
5805 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5807 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5808 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5810 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5812 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5814 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5815 referring to it. Fix language.
5817 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5819 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5821 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5823 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5825 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5826 '@var{stream}. Remove stray 'and'.
5828 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5830 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5832 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5834 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5835 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5837 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5838 Fix description of return value.
5839 Rename argument "sz" to "len."
5841 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5842 Clarify meaning of 'true' return value.
5844 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5846 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5847 rep_mode versus mode_rep.
5849 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5851 (TARGET_BUILTIN_DECL): Fix name.
5853 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5855 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5857 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5859 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5861 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5863 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5864 Clarify language.
5866 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5867 Rename argument tm_fn to md_fn.
5869 (TARGET_OPTION_PRINT): Fix argument list.
5871 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5873 PR target/42664
5874 * config/i386/i386.c (ix86_fixup_binary_operands):
5875 Revert FMA4 fixup of operands.
5877 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5879 PR gcc/42525
5880 * Makefile.in (write_entries_to_file, install-plugin):
5881 Use \012 instead of \n with tr.
5883 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5885 * configure.ac (HAVE_AS_REF): New C macro.
5886 * configure: Regenerate.
5887 * config.in: Likewise.
5888 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5889 if HAVE_AS_REF.
5890 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5891 if HAVE_AS_REF.
5893 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5895 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5897 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5899 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5901 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5903 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5905 (TARGET_BINDS_LOCAL_P): Fix argument type.
5907 (TARGET_ASM_FILE_END): Use prototype.
5909 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5911 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5913 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5915 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5917 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5918 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5920 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5921 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5923 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5924 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5925 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5926 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5928 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5930 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5932 (TARGET_INIT_BUILTINS): Use prototype.
5934 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5935 Put 'const char *' in braces. Fix parameter types.
5936 (TARGET_INVALID_CONVERSION): Fix parameter types.
5937 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5938 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5940 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5941 Fix argument type.
5943 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5945 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5947 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5949 * doc/tm.texi (TARGET_HELP): Fix return type.
5951 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5952 in braces. Fix argument types.
5954 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5956 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5958 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5960 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5961 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5963 (TARGET_MANGLE_TYPE): Fix argument types.
5965 (TARGET_IRA_COVER_CLASSES): Use prototype.
5967 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5969 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5971 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5973 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5975 (TARGET_CALLEE_COPIES): Fix argument types.
5977 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5979 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5981 (TARGET_FUNCTION_VALUE): Fix argument types.
5983 (TARGET_RETURN_IN_MSB): Fix argument type.
5985 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5987 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5989 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5991 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5992 agree with return type.
5994 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5996 2010-01-15 Jing Yu <jingyu@google.com>
5998 PR rtl-optimization/42691
5999 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6000 a pseudo to a constant and are merged, and adjust comments.
6002 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6004 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6006 2010-01-15 Richard Guenther <rguenther@suse.de>
6008 PR middle-end/42739
6009 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6010 labels of computed or non-local gotos to the destination.
6011 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6012 landing pad label is the first label.
6014 2010-01-15 Richard Guenther <rguenther@suse.de>
6016 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6018 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6020 PR target/42747
6021 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6022 to allow generation of the xssqrtdp instruction on power7.
6023 (sqrtdf2_fpr): Ditto.
6025 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6027 PR middle-end/42674
6028 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6029 functions with noreturn attribute.
6031 PR c++/42608
6032 * varasm.c (declare_weak): Add weak attribute to decl if it
6033 doesn't have one already.
6034 (assemble_external): Only add decls to weak_decls if they also
6035 have weak attribute.
6037 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6039 * var-tracking.c (var_reg_delete): Don't delete the association
6040 between REGs and values or one-part variables if the register
6041 isn't clobbered.
6043 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6045 PR debug/42657
6046 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6047 because its first operand is a non-localized variable.
6049 2010-01-14 Martin Jambor <mjambor@suse.cz>
6051 PR tree-optimization/42706
6052 * tree-sra.c (encountered_recursive_call): New variable.
6053 (encountered_unchangable_recursive_call): Likewise.
6054 (sra_initialize): Initialize both new variables.
6055 (callsite_has_enough_arguments_p): New function.
6056 (scan_function): Call decl and flags check only for IPA-SRA, check
6057 whether there is a recursive call and whether it has enough arguments.
6058 (all_callers_have_enough_arguments_p): New function.
6059 (convert_callers): Look for recursive calls only when
6060 encountered_recursive_call is set.
6061 (ipa_early_sra): Bail out either if
6062 !all_callers_have_enough_arguments_p or
6063 encountered_unchangable_recursive_call.
6065 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6067 * sel-sched.c: Add 2010 to copyright years.
6068 * sel-sched-ir.c: Likewise.
6069 * sel-sched-ir.h: Likewise.
6071 2010-01-14 Martin Jambor <mjambor@suse.cz>
6073 PR tree-optimization/42714
6074 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6075 constructors specially.
6077 2010-01-14 Andi Kleen <ak@linux.intel.com>
6079 * config/i386/drivers-i386.c (detect_caches_intel):
6080 Add l2sizekb parameter and fill in.
6081 (host_detect_local_cpu): Add l2sizekb, fill in.
6082 Add Atom small cache heuristic.
6084 2010-01-14 Andi Kleen <ak@linux.intel.com>
6086 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6087 Add level3 parameter and fill in.
6088 (detect_caches_intel): Handle level3 cache.
6090 2010-01-14 Andi Kleen <ak@linux.intel.com>
6092 * config/i386/drivers-i386.c (host_detect_local_cpu):
6093 Fix core duo detection.
6095 2010-01-14 Andi Kleen <ak@linux.intel.com>
6097 * config/i386/drivers-i386.c (host_detect_local_cpu):
6098 Fix Atom detection.
6100 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6102 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6103 (rs6000_variable_issue_1): this. Use...
6104 (rs6000_variable_issue): here. Reimplement. Print debug info.
6106 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6108 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6109 sel_restore_notes. Update all callers. Call reemit_notes
6110 for all insns.
6112 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6114 PR rtl-optimization/42246
6115 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6116 loops.
6118 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6120 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6121 all successors is the same as number of successors in current region.
6123 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6125 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6126 to rename is not separable. Otherwise check that its LHS is not NULL.
6128 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6130 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6132 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6134 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6135 available registers when failed to discover LHS register class.
6136 Fix indentation. Update comment.
6138 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6139 Alexander Monakov <amonakov@ispras.ru>
6141 PR rtl-optimization/42389
6142 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6143 to can_issue_more.
6144 (advance_state_on_fence): Likewise.
6145 (sel_target_adjust_priority): Print debug output only when
6146 sched_verbose >= 4, not 2.
6147 (get_expr_cost): Do not issue all unique insns on the next cycle.
6148 (fill_insns): Initialize can_issue_more from the value saved
6149 with the fence.
6150 * sel-sched-ir.c (flist_add): New parameter issue_more.
6151 Init FENCE_ISSUE_MORE with it.
6152 (merge_fences): Likewise.
6153 (init_fences): Update call to flist_add.
6154 (add_to_fences, add_clean_fence_to_fences)
6155 (add_dirty_fence_to_fences): Likewise.
6156 (move_fence_to_fences): Update call to merge_fences.
6157 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6158 sched groups.
6159 * sel-sched-ir.h (struct _fence): New field issue_more.
6160 (FENCE_ISSUE_MORE): New accessor macro.
6162 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6164 PR rtl-optimization/42388
6165 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6166 that have no predecessors nor successors. Do not call move_bb_info
6167 for empty blocks outside of current region.
6169 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6171 PR rtl-optimization/42294
6172 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6173 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6174 originators' originators.
6176 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6178 PR rtl-optimization/39453
6179 PR rtl-optimization/42246
6180 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6181 for pipelining_p.
6182 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6184 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6185 Alexander Monakov <amonakov@ispras.ru>
6187 PR middle-end/42245
6188 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6189 (maybe_tidy_empty_bb): ... here. Make static. Add new
6190 argument. Update all callers.
6191 (tidy_control_flow): ... and here. Recompute topological order
6192 of basic blocks in region if necessary.
6193 (sel_redirect_edge_and_branch): Change return type. Return true
6194 if topological order might have been invalidated.
6195 (purge_empty_blocks): Export and move from...
6196 * sel-sched.c (purge_empty_blocks): ... here.
6197 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6198 (maybe_tidy_empty_bb): Delete prototype.
6199 (purge_empty_blocks): Declare.
6201 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6203 PR rtl-optimization/42249
6204 * sel-sched.c (try_replace_dest_reg): When chosen register
6205 and original register is the same, do not bail out early, but
6206 still check all original insns for validity of replacing destination
6207 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6208 in this case.
6210 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6212 PR c/42721
6213 Port from no-undefined-overflow branch:
6214 2009-03-09 Richard Guenther <rguenther@suse.de>
6216 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6218 2010-01-14 Richard Guenther <rguenther@suse.de>
6220 PR lto/42665
6221 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6223 2010-01-14 Ira Rosen <irar@il.ibm.com>
6225 PR tree-optimization/42709
6226 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6227 as scalar type in creation of constant vector operand.
6229 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6231 PR testsuite/42414
6232 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6233 (check-parallel-%): Match `testsuite' directory component only
6234 at the end.
6236 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6238 PR translation/39521
6239 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6240 strings with _().
6242 2010-01-13 Richard Guenther <rguenther@suse.de>
6244 PR tree-optimization/42730
6245 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6246 offset zero.
6248 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6250 PR target/pr42542
6251 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6252 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6253 them signed.
6255 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6257 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6258 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6259 ___umulsi3_highpart.
6261 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6262 rather than schedule_insns if the pass is enabled.
6264 2010-01-13 Martin Jambor <mjambor@suse.cz>
6266 PR tree-optimization/42704
6267 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6268 SSA_NAMEs.
6270 2010-01-13 Martin Jambor <mjambor@suse.cz>
6272 PR tree-optimization/42703
6273 * tree-sra.c (analyze_access_subtree): Check that we can build a
6274 reference to the original data within the aggregate.
6276 2010-01-13 Richard Guenther <rguenther@suse.de>
6278 PR tree-optimization/42705
6279 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6281 2010-01-13 Richard Guenther <rguenther@suse.de>
6283 PR middle-end/42716
6284 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6286 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6288 PR debug/41371
6289 * var-tracking.c (values_to_unmark): New variable.
6290 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6291 values_to_unmark vector. Moved body to...
6292 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6293 instead queue it into values_to_unmark vector.
6294 (vt_find_locations): Free values_to_unmark vector.
6296 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6298 * config/s390/s390.c (override_options): Set
6299 default of max-pending-list-length to 256
6301 2010-01-13 Richard Guenther <rguenther@suse.de>
6303 PR lto/42678
6304 * tree-pass.h (PROP_gimple_lcx): New.
6305 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6306 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6307 before the final cleanup_eh.
6308 (dump_properties): Dump PROP_gimple_lcx.
6309 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6310 (tree_lower_complex_O0): Remove.
6311 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6312 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6313 tree_lower_complex, schedule TODO_update_ssa.
6314 * lto-streamer-out.c (output_function): Stream the functions
6315 properties.
6316 * lto-streamer-in.c (input_function): Likewise.
6317 (lto_read_body): Do not override them here.
6319 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6321 PR c/42708
6322 * c-typeck.c (build_c_cast): Fold value cast to union type before
6323 wrapping it in a CONSTRUCTOR.
6325 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6327 PR rtl-optimization/42699
6328 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6329 involved.
6331 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6333 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6334 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6335 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6336 SUBTARGET_WARN_UNUSED_SPEC): ... here
6337 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6339 2010-01-12 Julian Brown <julian@codesourcery.com>
6341 * config/arm/neon-schedgen.ml (Utils): Don't try to
6342 open missing module.
6343 (find_with_result): New.
6345 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6347 PR debug/42662
6348 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6349 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6351 PR tree-optimization/42645
6352 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6353 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6354 decl_map, set processing_debug_stmt to -1 and return name without
6355 any remapping.
6357 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6359 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6360 binutils version, and reword target configuration description.
6362 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6364 * config/avr/avr.h (LINKER_NAME): Remove.
6366 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6368 PR target/42416
6369 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6370 that support VSX, warn for -mno-altivec if vsx is not disabled,
6371 and disable vsx.
6373 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6374 Shujing Zhao <pearly.zhao@oracle.com>
6376 PR translation/42469
6377 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6378 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6379 character between option name and help text.
6380 * c.opt (imultilib): Likewise.
6382 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6384 * lto-streamer-out.c (output_unreferenced_globals): Output static
6385 variables.
6387 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6389 PR rtl-optimization/42621
6390 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6391 optimizing for size.
6392 (duplicate_computed_gotos): Remove now-redundant check.
6394 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6396 PR target/37454
6397 * configure.ac: Save and restore LDFLAGS and LIBS
6398 * configure: Regenerate.
6400 2010-01-10 Richard Guenther <rguenther@suse.de>
6402 PR middle-end/42667
6403 * builtins.c (fold_builtin_strlen): Add type argument and
6404 convert the resulting length to it.
6405 (fold_builtin_1): Adjust.
6407 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6409 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6410 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6411 1 insn.
6412 (num_insns_constant_wide): Adjust for that change.
6414 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6416 PR debug/42631
6417 * web.c (union_defs): Add used argument, to combine uses of
6418 uninitialized regs.
6419 (entry_register): Adjust type and tests of used argument.
6420 (web_main): Widen used for new use. Pass it to union_defs.
6421 * df.h (union_defs): Adjust prototype.
6423 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6425 PR debug/42630
6426 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6427 uses in new incoming argument. Free body.
6428 (reset_debug_uses_in_loop): New.
6429 (analyze_insn_to_expand_var): Call the latter if the former found
6430 anything. Fix whitespace. Reject invalid dest overlaps before
6431 going through all insns in the loop.
6433 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6435 PR debug/42629
6436 * haifa-sched.c (dying_use_p): Debug insns don't count.
6438 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6440 PR middle-end/42363
6441 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6442 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6443 (verify_gimple_call): Reject LHS in noreturn calls.
6445 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6447 PR debug/42604
6448 PR debug/42395
6449 * tree-vect-loop-manip.c (adjust_info): New type.
6450 (adjust_vec): New pointer to vector.
6451 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6452 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6453 (slpeel_update_phis_for_duplicate_loop): Use them.
6454 (slpeel_update_phi_nodes_for_guard1): Likewise.
6455 (slpeel_update_phi_nodes_for_guard2): Likewise.
6456 (slpeel_tree_peel_loop_to_edge): Likewise.
6457 (vect_update_ivs_after_vectorizer): Likewise.
6459 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6461 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6462 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6464 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6466 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6467 bogus uninitialized warning.
6469 2010-01-09 Richard Guenther <rguenther@suse.de>
6471 PR middle-end/42512
6472 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6473 the evolution is compatible with the initial condition.
6475 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6477 * gcc.c (process_command): Update copyright notice dates.
6478 * gcov.c (print_version): Likewise.
6479 * gcov-dump.c (print_version): Likewise.
6480 * mips-tfile.c (main): Likewise.
6481 * mips-tdump.c (main): Likewise.
6483 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6485 PR target/41885
6486 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6487 (rotlhi3): Delete.
6488 (rotlhi3_8): Delete.
6489 (rotlsi3): Delete.
6490 (rotlsi3_8): Delete.
6491 (rotlsi3_16): Delete.
6492 (rotlsi3_24): Delete.
6493 (rotl<mode>3): New.
6494 (*rotw<mode>3): New.
6495 (*rotb<mode>3): New.
6496 * config/avr/avr.c (avr_rotate_bytes): New function.
6497 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6499 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6501 PR target/37454
6502 * configure.ac: Modify -rdynamic check.
6503 * configure: Regenerate.
6505 2010-01-08 DJ Delorie <dj@redhat.com>
6507 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6508 register popping order.
6510 2010-01-08 Richard Guenther <rguenther@suse.de>
6512 PR lto/42528
6513 * c.opt (fsigned-char): Also let LTO handle this option.
6514 (funsigned-char): Likewise.
6516 2010-01-07 Richard Guenther <rguenther@suse.de>
6518 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6519 (gimple_op): Likewise.
6520 (gimple_op_ptr): Likewise.
6521 (gimple_assign_set_lhs): Remove gcc_assert.
6522 (gimple_assign_set_rhs1): Likewise.
6523 (gimple_assign_set_rhs2): Likewise.
6524 (gimple_call_set_lhs): Likewise.
6525 (gimple_call_set_fn): Likewise.
6526 (gimple_call_set_fndecl): Likewise.
6527 (gimple_call_fndecl): Likewise.
6528 (gimple_call_return_type): Likewise.
6529 (gimple_call_set_chain): Likewise.
6530 (gimple_call_num_args): Likewise.
6531 (gimple_call_set_arg): Likewise.
6532 (gimple_cond_set_code): Likewise.
6533 (gimple_cond_set_lhs): Likewise.
6534 (gimple_cond_set_rhs): Likewise.
6535 (gimple_cond_set_true_label): Likewise.
6536 (gimple_cond_set_false_label): Likewise.
6537 (gimple_label_set_label): Likewise.
6538 (gimple_goto_set_dest): Likewise.
6539 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6540 (gimple_debug_bind_get_value): Likewise.
6541 (gimple_debug_bind_get_value_ptr): Likewise.
6542 (gimple_debug_bind_set_var): Likewise.
6543 (gimple_debug_bind_set_value): Likewise.
6544 (gimple_debug_bind_reset_value): Likewise.
6545 (gimple_debug_bind_has_value_p): Likewise.
6546 (gimple_return_retval_ptr): Remove gcc_assert.
6547 (gimple_return_retval): Likewise.
6548 (gimple_return_set_retval): Likewise.
6549 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6550 (safe_referenced_var_iterator): Remove.
6551 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6552 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6553 (fill_referenced_var_vec): Remove.
6554 (first_readonly_imm_use): Remove redundant gcc_assert.
6555 (phi_arg_index_from_use): Combine gcc_asserts.
6556 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6557 (first_imm_use_stmt): Remove redundant gcc_assert.
6558 * tree-cfg.c (verify_gimple_call): Verify function and chain
6559 operands. Verify arguments.
6560 (verify_types_in_gimple_stmt): Verify condition code and labels.
6562 2010-01-07 Richard Guenther <rguenther@suse.de>
6564 PR tree-optimization/42641
6565 * sese.c (rename_map_elt_info): Use the SSA name version, do
6566 not hash pointers.
6568 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6570 PR tree-optimization/42625
6571 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6572 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6574 2010-01-07 Duncan Sands <baldrick@free.fr>
6576 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6578 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6580 PR target/42511
6581 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6582 note itself is not function_invariant_p.
6584 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6586 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6587 Do not add the DF_NOTE problem.
6588 * store-motion.c (execute_rtl_store_motion): Likewise.
6590 2010-01-07 Martin Jambor <mjambor@suse.cz>
6592 PR tree-optimization/42157
6593 * tree-sra.c (compare_access_positions): Stabilize sort if both
6594 accesses have integer types, return zero immediately if they are the
6595 same.
6597 2010-01-06 Richard Henderson <rth@redhat.com>
6599 PR middle-end/41883
6600 * haifa-sched.c (add_to_note_list): Merge into ...
6601 (concat_note_lists): ... here, and ...
6602 (unlink_other_notes, rm_other_notes): Merge into...
6603 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6604 NOTE_INSN_EPILOGUE_BEG.
6606 2010-01-06 Richard Guenther <rguenther@suse.de>
6608 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6609 not inline regular functions into always-inline functions.
6611 2010-01-06 Nick Clifton <nickc@redhat.com>
6613 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6614 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6615 used together.
6616 (OVERRIDE_OPTIONS): Delete.
6617 (OPTIMIZATION_OPTIONS): Define.
6618 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6619 * config/rx/rx.c (rx_handle_option): Issue an error message if
6620 -mcpu=rx200 and -fpu are used together.
6621 (rx_set_optimization_options): New function. Issue an error
6622 message if an optimization attribute attempts to reset the FPU/
6623 math optimization pairing.
6624 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6625 * config/rx/rx.opt: Set the default to 32-bit doubles.
6626 * config/rx/t-rx: Add multilibs for -nofpu option.
6627 * doc/invoke.texi: Update documentation of RX options.
6629 2010-01-06 Richard Guenther <rguenther@suse.de>
6631 * tree-ssa-pre.c (name_to_id): New global.
6632 (alloc_expression_id): Simplify SSA name handling.
6633 (lookup_expression_id): Likewise.
6634 (init_pre): Zero name_to_id.
6635 (fini_pre): Free it.
6637 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6639 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6641 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6643 PR target/42542
6644 * config/i386/sse.md (smaxv2di3): New.
6645 (umaxv2di3): Likewise.
6646 (sminv2di3): Likewise.
6647 (uminv2di3): Likewise.
6649 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6651 PR target/42564
6652 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6653 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6654 (legitimize_tls_address): Likewise.
6655 (sparc_tls_referenced_p): Likewise.
6656 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6657 and adjust calls to legitimize_pic_address.
6658 (legitimate_constant_p) Use sparc_tls_referenced_p.
6659 (legitimate_pic_operand_p): Likewise.
6660 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6661 (sparc_tls_symbol_ref_1): Delete.
6662 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6663 (legitimize_tls_address): Make static, handle CONST patterns.
6664 (legitimize_pic_address): Make static, remove unused parameter and
6665 adjust recursive calls.
6666 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6667 and adjust call to legitimize_pic_address.
6668 (sparc_output_mi_thunk): Likewise.
6670 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6671 H.J. Lu <hongjiu.lu@intel.com>
6673 PR target/42542
6674 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6675 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6676 operands to make them signed.
6678 Revert:
6679 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6681 PR target/42542
6682 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6683 GTU to GT for V4SI and V2DI.
6685 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6686 (umin<mode>3): Removed.
6687 (uminv8hi3): New.
6688 (uminv4si3): Likewise.
6690 2010-01-05 Martin Jambor <mjambor@suse.cz>
6692 PR tree-optimization/42462
6693 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6694 current_function_decl to helper functions and macros.
6696 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6698 PR bootstrap/41771
6699 * flags.h: Don't include real.h.
6700 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6701 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6702 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6703 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6704 * dominance.c: Update copyright.
6705 * gimple.c (walk_gimple_op): Remove inline.
6706 * tree-ssa-reassoc.c: Include real.h.
6707 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6708 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6710 2010-01-05 Nick Clifton <nickc@redhat.com>
6712 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6713 register to push into the stack frame when the accumulator has to
6714 be saved during interrupts.
6716 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6718 * doc/invoke.texi: Remove the documentation about option
6719 -Wunreachable-code.
6720 * common.opt (Wunreachable-code): Preserved for backward
6721 compatibility.
6722 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6723 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6724 the backward compatibility flag section.
6726 2010-01-05 Richard Guenther <rguenther@suse.de>
6728 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6730 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6732 PR other/42611
6733 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6735 PR tree-optimization/42508
6736 * tree-sra.c (convert_callers): Check for recursive call
6737 by comparing cgraph nodes instead of decls.
6738 (modify_function): Call ipa_modify_formal_parameters also
6739 on all same_body aliases.
6741 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6742 cgraph nodes when checking for same_body aliases.
6744 2010-01-05 Richard Guenther <rguenther@suse.de>
6746 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6747 allocation and lookup.
6748 (get_or_alloc_expr_for_constant): Likewise.
6749 (phi_translate): Sink allocation.
6751 2010-01-04 Richard Guenther <rguenther@suse.de>
6753 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6754 a new entry only if needed.
6755 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6756 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6757 hashtable lookup.
6758 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6759 the result array.
6760 (phi_translate): Handle CONSTANTs early.
6762 2010-01-04 Martin Jambor <mjambor@suse.cz>
6764 PR tree-optimization/42398
6765 * tree-sra.c (struct access): Removed flag grp_different_types.
6766 (dump_access): Do not dump the removed flag.
6767 (sort_and_splice_var_accesses): Do not set the removed flag.
6768 (sra_modify_expr): Check for type compatibility directly.
6770 2010-01-04 Martin Jambor <mjambor@suse.cz>
6772 PR tree-optimization/42366
6773 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6774 edges with variable number of parameters.
6775 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6776 flag instead of asserting it.
6777 (ipa_read_node_info): Read uses_analysis_done flag.
6779 2010-01-04 Richard Guenther <rguenther@suse.de>
6781 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6782 iterative_hash_* as intended.
6783 (vn_reference_compute_hash): Likewise. Simplify hashing
6784 SSA names.
6785 (vn_reference_lookup_2): Likewise.
6786 (vn_nary_op_compute_hash): Likewise.
6787 (vn_phi_compute_hash): Likewise.
6788 (expressions_equal_p): Remove strange code.
6789 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6790 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6791 (bitmap_insert_into_set_1): Take value-id as parameter.
6792 (add_to_value): Pass it.
6793 (bitmap_insert_into_set): Likewise.
6794 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6796 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6798 PR driver/42442
6799 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6800 (do_self_spec): For switches with SWITCH_IGNORE set set also
6801 SWITCH_IGNORE_PERMANENTLY.
6802 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6803 of SWITCH_IGNORE.
6805 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6807 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6808 tree of an unreferenced global var.
6810 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6812 PR target/42542
6813 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6814 GTU to GT for V4SI and V2DI.
6816 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6817 (umin<mode>3): Removed.
6818 (uminv8hi3): New.
6819 (uminv4si3): Likewise.
6821 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6823 PR lto/42581
6824 * collect2.c (main): Turn on trace in collect2 if -v is passed
6825 to gcc with LTO.
6827 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6829 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6830 description of expression operand.
6832 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6834 * configure.ac: Add install-html to target_list for Make-hooks.
6835 * configure: Regenerate.
6836 * fortran/Make-lang.in (F95_HTMLFILES): New.
6837 (fortran.html): Use it.
6838 (fortran.install-html): New.
6839 * Makefile.in (install-html): Add lang.install-html.
6840 * java/Make-lang.in (JAVA_HTMLFILES): New.
6841 (java.html): Use it.
6842 (java.install-html): New.
6843 * objc/Make-lang.in (objc.install-html): New.
6844 * objcp/Make-lang.in (obj-c++.install-html): New.
6845 * cp/Make-lang.in (c++.install-html): New.
6846 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6847 * lto/Make-lang.in (lto.install-html): New.
6849 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6851 PR lto/42520
6852 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6854 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6856 PR rtl-optimization/41862
6857 * store-motion.c (store_killed_in_insn, compute_store_table,
6858 remove_reachable_equiv_notes, replace_store_insn,
6859 build_store_vectors): Ignore all DEBUG_INSNs.
6861 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6863 PR lto/41564
6864 * common.opt: Add dumpdir.
6866 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6867 isn't specified.
6868 (option_map): Add --dumpdir.
6870 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6872 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6874 * opts.c (decode_options): Try dump_dir_name first if
6875 dump_base_name isn't an absolute path.
6876 (common_handle_option): Handle OPT_dumpdir.
6878 * toplev.c (dump_dir_name): New.
6879 (print_switch_values): Also ignore -dumpdir.
6881 * toplev.h (dump_dir_name): New.
6883 2010-01-03 Richard Guenther <rguenther@suse.de>
6885 PR tree-optimization/42589
6886 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6887 double-word expansion of bswap32.
6889 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6891 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6892 with BLOCK_FOR_INSN.
6893 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6894 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6895 noce_process_if_block): Likewise.
6896 * gcse.c (compute_local_properties, insert_expr_in_table,
6897 insert_set_in_table, canon_list_insert, find_avail_set,
6898 pre_insert_copy_insn): Likewise.
6900 * basic-block.h (BLOCK_NUM): Move from here...
6901 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6903 2010-01-03 Richard Guenther <rguenther@suse.de>
6905 PR tree-optimization/42438
6906 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6907 contains_may_not_return_call flag.
6908 (BB_MAY_NOTRETURN): New.
6909 (valid_in_sets): Trapping nary operations are not valid
6910 in blocks that may not return.
6911 (insert_into_preds_of_block): Remove check for trapping expressions.
6912 (compute_avail): Compute also BB_MAY_NOTRETURN.
6914 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6916 * doc/invoke.texi: Add 2010 to copyright years.
6918 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6920 * config/sparc/sparc.c: Fix formatting nits.
6922 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6923 Alexander Monakov <amonakov@ispras.ru>
6925 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6927 2010-01-02 Richard Guenther <rguenther@suse.de>
6929 PR middle-end/42577
6930 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6931 (simplify_switch_using_ranges): Mark to be removed edges
6932 as non-executable.
6934 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6936 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6938 * collect2.c (scan_libraries): Add missing argument in call to
6939 scan_prog_file.
6941 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6943 PR target/42448
6944 * config/alpha/predicates.md (aligned_memory_operand): Return false
6945 for CQImode.
6946 (unaligned_memory_operand): Return true for CQImode.
6947 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6948 doesn not cross aligned SImode word boundary.
6950 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6952 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6953 Remove.
6954 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6955 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6957 2010-01-02 Richard Guenther <rguenther@suse.de>
6959 PR lto/41597
6960 * toplev.c (compile_file): Emit LTO marker properly. Change
6961 it to __gnu_lto_v1.
6962 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6964 2010-01-01 Richard Guenther <rguenther@suse.de>
6966 PR debug/42455
6967 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6969 2010-01-01 Richard Guenther <rguenther@suse.de>
6971 PR c/42570
6972 * c-decl.c (grokdeclarator): For zero-size arrays force
6973 structural equality checks as layout_type does.
6975 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6977 * builtins.c: Update copyright to 2010.
6979 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6981 PR lto/42531
6982 * lto-streamer-out.c (produce_asm): Revert the last change.
6983 (copy_function): Likewise.
6985 * lto-streamer.c (lto_get_section_name): Skip any leading
6986 asterisk in name.
6988 2010-01-01 Richard Guenther <rguenther@suse.de>
6990 PR middle-end/42559
6991 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6992 for LABEL_DECLs.
6994 \f
6995 Copyright (C) 2010 Free Software Foundation, Inc.
6997 Copying and distribution of this file, with or without modification,
6998 are permitted in any medium without royalty provided the copyright
6999 notice and this notice are preserved.