1 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
3 * config/i386/i386.md: Use {} around multi-line preparation statements.
5 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7 * c-tree.h (push_init_level, pop_init_level, set_init_index)
8 (process_init_element): New argument of type struct obstack *.
10 * c-typeck.c (push_init_level, pop_init_level, set_designator)
11 (set_init_index, set_init_label, set_nonincremental_init)
12 (set_nonincremental_init_from_string, find_init_member)
13 (output_init_element, output_pending_init_elements)
14 (process_init_element): New argument braced_init_obstack. Pass it
16 (push_range_stack, add_pending_init): New argument
17 braced_init_obstack. Use obstack allocation.
19 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
20 braced_init_obstack. Pass it down.
21 (c_parser_braced_init): New variables ret, braced_init_obstack.
22 Initialize obstack, pass it down and finally free it.
24 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
27 * optabs.h (expand_widening_mult): Declare.
28 * tree-pass.h (pass_optimize_widening_mul): Declare.
29 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
30 gate_optimize_widening_mul): New static functions.
31 (pass_optimize_widening_mul): New.
32 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New
34 <case MULT_EXPR>: Remove support for widening multiplies.
35 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
36 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
37 simplify_gen_unary rather than directly building extensions.
38 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
40 * expmed.c (expand_widening_mult): New function.
41 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
43 2010-04-21 Jan Hubicka <jh@suse.cz>
45 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
46 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
47 * lto-wpa-fixup.c: Remove.
48 * Makefile.in (lto-wpa-fixup.o): Remove.
49 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
50 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
51 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
53 2010-04-21 Jan Hubicka <jh@suse.cz>
55 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
56 add write_optimization_summary, read_optimization_summary.
57 (ipa_write_summaries_of_cgraph_node_set): Remove.
58 (ipa_write_optimization_summaries): Declare.
59 (ipa_read_optimization_summaries): Declare.
60 * ipa-cp.c (pass_ipa_cp): Update.
61 * ipa-reference.c (pass_ipa_reference): Update.
62 * ipa-pure-const.c (pass_ipa_pure_const): Update.
63 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
65 * ipa-inline.c (pass_ipa_inline): Update.
66 * ipa.c (pass_ipa_whole_program): Update.
67 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
68 * passes.c (ipa_write_summaries_1): Do not test wpa.
69 (ipa_write_optimization_summaries_1): New.
70 (ipa_write_optimization_summaries): New.
71 (ipa_read_summaries): Do not test ltrans.
72 (ipa_read_optimization_summaries_1): New.
73 (ipa_read_optimization_summaries): New.
75 2010-04-21 Jan Hubicka <jh@suse.cz>
77 * lto-cgraph.c (lto_output_node): Do not output comdat groups
79 (output_cgraph): Do not arrange comdat groups for boundary nodes.
81 2010-04-21 Jakub Jelinek <jakub@redhat.com>
84 * dwarf2out.c (add_name_and_src_coords_attributes): Add
85 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
87 2010-04-21 Jan Hubicka <jh@suse.cz>
89 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
91 2010-04-21 Jan Hubicka <jh@suse.cz>
93 * varpool.c (decide_is_variable_needed): Variable is always needed
96 2010-04-21 Jan Hubicka <jh@suse.cz>
98 * opts.c (decode_options): Enable pure-const pass for whopr.
100 2010-04-21 Jan Hubicka <jh@suse.cz>
102 * cgraph.c (dump_cgraph_node): Dump also assembler name.
103 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
105 (cgraph_decide_inlining): Do not expect callee to be removed in all
108 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
110 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
112 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
114 * config/i386/i386.md (x86_shrd): Add athlon_decode and
115 amdfam10_decode attributes.
117 2010-04-21 Jakub Jelinek <jakub@redhat.com>
120 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
121 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
122 (lower_copyprivate_clauses): Use private var in outer
123 context instead of original var. Make sure the types
124 are correct for VLAs.
126 2010-04-21 Richard Guenther <rguenther@suse.de>
128 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
129 to non-pointer objects.
131 2010-04-21 Jakub Jelinek <jakub@redhat.com>
133 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
134 last chain entry if it starts with the still current label.
135 (add_location_or_const_value_attribute): Check that
136 loc_list->first->next is NULL instead of comparing ->first with ->last.
137 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
138 to add_var_loc_to_decl.
140 * dwarf2out.c (output_call_frame_info): For dw_cie_version
141 >= 4 add also address size and segment size fields into CIE header.
143 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
144 long as address size is the same as sizeof (void *) and
146 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
147 address size or segment size is unexpected, return DW_EH_PE_omit.
148 (classify_object_over_fdes): If get_cie_encoding returned
149 DW_EH_PE_omit, return -1.
150 (init_object): If classify_object_over_fdes returned -1,
151 pretend there were no FDEs at all.
153 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
155 * config/i386/i386.md (bswap<mode>2): Macroize expander from
156 bswap{si,di}2 using SWI48 mode iterator.
157 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
158 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
159 set modrm attribute of bswap insn to 0 and remove length attribute.
160 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
161 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
162 set mode attribute to <MODE> and remove length attribute.
164 2010-04-20 James E. Wilson <wilson@codesourcery.com>
166 PR rtl-optimization/43520
167 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
168 zero available registers.
170 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
172 * builtins.c (fold_builtin_cproj): Fold more cases.
174 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
176 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
177 (fold_builtin_1): Fold builtin cproj.
178 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
179 Use ATTR_CONST_NOTHROW_LIST.
181 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
183 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
184 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
185 ffsi2_no_cmove for !TARGET_CMOVE.
186 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
187 (ffssi2): Remove expander.
188 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
190 (ctz<mode>2): Ditto from ctz{si,di}2.
191 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
193 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
196 2010-04-20 Jakub Jelinek <jakub@redhat.com>
198 * dwarf2out.c (AT_linkage_name): Define.
199 (clone_as_declaration): Handle DW_AT_linkage_name.
200 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
201 of DW_AT_MIPS_linkage_name.
202 (move_linkage_attr): Likewise.
203 (dwarf2out_finish): Likewise.
205 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
208 * fold-const.c (fold_comparison): New folding rule.
210 2010-04-20 Anatoly Sokolov <aesok@post.ru>
212 * double-int.h (double_int_setbit): Declare.
213 * double-int.c (double_int_setbit): New function.
214 * rtl.h (immed_double_int_const): Declare.
215 * emit-rtl.c (immed_double_int_const): New function.
216 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
217 and immed_double_int_const functions.
218 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
219 expand_copysign_bit): (Ditto.).
220 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
221 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
222 * dojump.c (prefer_and_bit_test): (Ditto.).
223 * expr.c (convert_modes, reduce_to_bit_field_precision,
224 const_vector_from_tree): (Ditto.).
225 * expmed.c (mask_rtx, lshift_value): (Ditto.).
227 2010-04-20 Jan Hubicka <jh@suse.cz>
229 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
230 (dump_cgraph_node): Dump new flags.
231 * cgraph.h (struct cgraph_node): Add flags
232 reachable_from_other_partition and in_other_partition.
233 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
234 other partition can not be removed.
235 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
236 the other partition must be output; silence sanity checking on
237 leaking functions bodies from other paritition.
238 * lto-cgraph.c (reachable_from_other_partition_p): New function.
239 (lto_output_node): Output new flags; do not sanity check that inline
240 clones are output; drop lto_forced_extern_inline_p code; do not mock
241 visibility flags at partition boundaries.
242 (add_node_to): New function.
243 (output_cgraph): Use it to sort functions so masters appear before
245 (input_overwrite_node): Input new flags.
246 * passes.c (ipa_write_summaries): Do not call
247 lto_new_extern_inline_states.
248 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
249 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
250 lto_forced_extern_inline_p): Kill.
251 * lto-streamer.h (lto_new_extern_inline_states,
252 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
253 lto_forced_extern_inline_p): Kill.
255 2010-04-20 Richard Guenther <rguenther@suse.de>
257 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
258 from vars that can have pointers.
259 (process_constraint): Dump useless constraints.
261 2010-04-20 Richard Guenther <rguenther@suse.de>
263 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
264 (dump_sa_points_to_info): Remove asserts.
265 (init_base_vars): nothing_id isn't an escape point nor does it
268 2010-04-20 Jakub Jelinek <jakub@redhat.com>
270 * tree.h (TYPE_REF_IS_RVALUE): Define.
271 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
272 should_move_die_to_comdat, prune_unused_types_walk): Handle
273 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
274 (modified_type_die, gen_reference_type_die): Emit
275 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
276 if TYPE_REF_IS_RVALUE and -gdwarf-4.
278 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
281 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
282 calls for -fpic -m31 if they have been sibcall optimized.
284 2010-04-19 James E. Wilson <wilson@codesourcery.com>
286 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
287 ar.lc fixed and call-used.
289 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
291 2010-04-19 Jan Hubicka <jh@suse.cz>
293 * opts.c (decode_options): Disable whpr incompatible passes.
294 * lto/lto.c (lto_1_to_1_map): Skip clones.
295 (read_cgraph_and_symbols): Do not mark everything as needed.
296 (do_whole_program_analysis): Do map only after optimizing;
297 set proper cgraph_state; use passmanager.
299 2010-04-19 DJ Delorie <dj@redhat.com>
301 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
302 POINTER_PLUS_EXPR and fix them.
304 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
306 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
307 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
308 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
309 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
310 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
311 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
312 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
313 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
314 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
315 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
316 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
318 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
320 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
321 (check_cond_move_block): Likewise.
322 (cond_move_process_if_block): Likewise.
323 (noce_find_if_block): Improve formatting.
324 (find_if_header): Pass 0 to memset and tweak conditions.
325 (cond_exec_find_if_block): Fix long lines and tweak conditions.
327 2010-04-19 Jakub Jelinek <jakub@redhat.com>
329 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
333 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
334 with non-local decl doesn't need chain.
336 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
338 * ira-color.c (allocno_reload_assign): Avoid accumulating
339 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
341 2010-04-19 Martin Jambor <mjambor@suse.cz>
343 * gimple.h (create_tmp_reg): Declare.
344 * gimplify.c (create_tmp_reg): New function.
345 (gimplify_return_expr): Use create_tmp_reg.
346 (gimplify_omp_atomic): Likewise.
347 (gimple_regimplify_operands): Likewise.
348 * tree-dfa.c (make_rename_temp): Likewise.
349 * tree-predcom.c (predcom_tmp_var): Likewise.
350 (reassociate_to_the_same_stmt): Likewise.
351 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
352 (get_replaced_param_substitute): Likewise.
353 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
354 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
355 * tree-ssa-pre.c (get_representative_for): Likewise.
356 (create_expression_by_pieces): Likewise.
357 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
358 (create_tailcall_accumulator): Likewise.
360 2010-04-19 Martin Jambor <mjambor@suse.cz>
362 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
364 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
366 2010-04-19 Richard Guenther <rguenther@suse.de>
368 PR tree-optimization/43796
369 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
370 from SCEV in the lattice.
371 (vrp_visit_phi_node): Dump change.
373 2010-04-19 Richard Guenther <rguenther@suse.de>
375 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
376 * configure: Re-generated.
378 2010-04-19 Richard Guenther <rguenther@suse.de>
380 PR tree-optimization/43783
381 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
382 constant ARRAY_REF operands two and three if possible.
384 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
387 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
389 2010-04-19 Jie Zhang <jie@codesourcery.com>
392 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
394 2010-04-19 Ira Rosen <irar@il.ibm.com>
396 PR tree-optimization/37027
397 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
398 and macro to access it.
399 (vectorizable_reduction): Add argument.
400 (vect_get_slp_defs): Likewise.
401 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
402 statements for possible use in SLP.
403 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
404 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
405 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
407 (vectorizable_reduction): Likewise.
408 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
410 (vectorizable_type_demotion, vectorizable_type_promotion,
411 vectorizable_store): Likewise.
412 (vect_analyze_stmt): Update call to vectorizable_reduction.
413 (vect_transform_stmt): Likewise.
414 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
415 (vect_build_slp_tree): Fix indentation. Check that there are no loads
416 from different interleaving chains in same node.
417 (vect_slp_rearrange_stmts): New function.
418 (vect_supported_load_permutation_p): Allow load permutations for
419 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
420 inside SLP nodes if necessary.
421 (vect_analyze_slp_instance): Handle reductions.
422 (vect_analyze_slp): Try to build SLP instances originating from groups
424 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
425 (vect_get_constant_vectors): Create initial vectors for reductions
426 according to reduction code. Add new argument.
427 (vect_get_slp_defs): Add new argument, pass it to
428 vect_get_constant_vectors.
429 (vect_schedule_slp_instance): Remove SLP tree root statements.
431 2010-04-19 Jakub Jelinek <jakub@redhat.com>
433 * tree.h (ENUM_IS_SCOPED): Define.
434 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
435 for ENUM_IS_SCOPED enums.
437 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
439 * fold-const.c (fold_comparison): Use ssizetype.
440 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
441 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
442 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
443 * tree-object-size.c (compute_object_sizes): Use size_type_node.
445 * tree.h (initialize_sizetypes): Remove parameter.
446 (build_common_tree_nodes): Remove second parameter.
447 * stor-layout.c (initialize_sizetypes): Remove parameter.
448 Always create an unsigned type.
449 (set_sizetype): Assert that the passed type is unsigned and simplify.
450 * tree.c (build_common_tree_nodes): Remove second parameter.
451 Adjust call to initialize_sizetypes.
452 * c-decl.c (c_init_decl_processing): Remove second argument in call to
453 build_common_tree_nodes.
455 2010-04-18 Matthias Klose <doko@ubuntu.com>
457 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
459 2010-04-18 Ira Rosen <irar@il.ibm.com>
461 PR tree-optimization/43771
462 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
463 load permutation doesn't have gaps.
465 2010-04-18 Jan Hubicka <jh@suse.cz>
467 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
468 (sse_prologue_save_insn expander): Use new pattern.
469 (sse_prologue_save_insn1): New pattern and splitter.
470 (sse_prologue_save_insn): Update to deal also with 64bit aligned
472 * i386.c (setup_incoming_varargs_64): Do not compute jump
474 (ix86_gimplify_va_arg): Update alignment needed.
475 (ix86_local_alignment): Do not align all local arrays to 128bit.
477 2010-04-17 Jan Hubicka <jh@suse.cz>
479 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
481 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
483 * arm.md (negdi2): Remove redundant code to force values into a
486 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
488 * arm/bpabi.S: Add EABI alignment attributes to objects.
489 * arm/bpabi-v6m.S: Likewise.
490 * arm/crti.asm: Likewise.
491 * arm/crtn.asm: Likewise.
492 * arm/lib1funcs.asm: Likewise.
493 * arm/libunwind.S: Likewise.
495 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
497 * arm-protos.h (tune_params): New structure.
498 * arm.c (current_tune): New variable.
499 (arm_constant_limit): Delete.
500 (struct processors): Add pointer to the tune parameters.
501 (arm_slowmul_tune): New tuning option.
502 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
503 (all_cores): Adjust to pick up the tuning model.
504 (arm_constant_limit): New function.
505 (arm_override_options): Select the appropriate tuning model. Delete
506 initialization of arm_const_limit.
507 (arm_split_constant): Use the new constant-limit model.
508 (arm_rtx_costs): Pick up the current tuning model.
509 * arm.md (is_strongarm, is_xscale): Delete.
510 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
511 for Xscale variant architectures.
512 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
514 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
516 * config/arm/arm.c (arm_gen_constant): Remove unused variable
518 (arm_rtx_costs_1): Remove unused variable extra_cost.
519 (arm_unwind_emit_set): Use variable offset.
520 (thumb1_output_casesi): Remove unused variable flags.
522 2010-04-16 Jeff Law <law@redhat.com>
524 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
525 needing assignment rather than doing a two-phase assignment. Remove
528 2010-04-16 Jakub Jelinek <jakub@redhat.com>
531 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
533 2010-04-16 Doug Kwan <dougkwan@google.com>
535 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
536 (next_operand_entry_id): New static variable.
537 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
538 (add_to_ops_vec): Assigned unique ID to operand entry.
539 (struct oecount_s): New field ID.
540 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
541 (undistribute_ops_list): Assign unique IDs to oecounts.
542 (init_reassoc): reset next_operand_entry_id.
544 2010-04-16 Doug Kwan <dougkwan@google.com>
546 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
547 missing left parenthesis.
549 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
551 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
552 *btdi_rex64 using SWI48 mode iterator.
553 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
554 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
555 *jcc_btdi_mask_rex64.
557 2010-04-16 Anatoly Sokolov <aesok@post.ru>
559 * double-int.h (tree_to_double_int): Convert to macro.
560 * double-int.c (tree_to_double_int): Remove.
562 2010-04-16 Jakub Jelinek <jakub@redhat.com>
565 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
566 with want_address 2 and in case a single element list might be
567 possible, call it again with want_address 0.
569 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
571 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
572 case 'W' print operands for HI mode.
573 * config/h8300/h8300.h (Y0, Y2) : New constraints.
574 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
575 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
576 * config/h8300/predicate.md (bit_register_indirect_operand): New.
578 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
580 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
581 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
582 #xx:3 and #xx:4 mode.
584 * config/h8300/h8300.md (inverted load with HImode dest): Add
587 * config/h8300/predicate.md (bit_operand): Allow immediate values that
588 satisfy 'U' constraint.
590 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
592 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
593 * configure: Regenerate.
594 * config.in: Regenerate.
595 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
598 2010-04-16 Richard Guenther <rguenther@suse.de>
600 * tree.h (struct tree_decl_minimal): Move pt_uid ...
601 (struct tree_decl_common): ... here.
602 (DECL_PT_UID): Adjust.
603 (SET_DECL_PT_UID): Likewise.
604 (DECL_PT_UID_SET_P): Likewise.
606 2010-04-16 Richard Guenther <rguenther@suse.de>
608 PR tree-optimization/43572
609 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
610 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
611 * tree-flow.h (is_call_clobbered): Remove.
612 * tree-flow-inline.h (is_call_clobbered): Likewise.
613 * tree-dfa.c (dump_variable): Do not dump call clobber state.
614 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
615 (execute_return_slot_opt): Adjust.
616 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
617 check for call clobbered vars here.
618 (find_tail_calls): Move tailcall verification to the
621 2010-04-16 Diego Novillo <dnovillo@google.com>
623 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
625 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
628 * config/arm/arm.md (cbranchqi4): New pattern.
629 * config/arm/predicates.md (const0_operand,
630 cbranchqi4_comparison_operator): New predicates.
632 2010-04-16 Richard Guenther <rguenther@suse.de>
634 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
635 (dump_gimple_stmt): Likewise.
637 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
639 * recog.h (struct recog_data): New field is_operator.
640 (struct insn_operand_data): New field is_operator.
641 * recog.c (extract_insn): Set recog_data.is_operator.
642 * genoutput.c (output_operand_data): Emit code to set the
644 * reload.c (find_reloads): Use it rather than testing for an
645 empty constraint string.
648 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
649 If the previous insn is a cbranchsi4_insn with the same arguments,
650 omit the compare instruction.
652 * config/arm/arm.md (addsi3_cbranch): If destination is a high
653 register, inputs must be low registers and we need a low register
654 scratch. Handle alternative 2 like alternative 3.
656 2010-04-16 Jakub Jelinek <jakub@redhat.com>
658 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
659 don't call get_addr on both. If one expression is a VALUE and
660 the other a REG, check VALUE's locs if the REG isn't among them.
662 2010-04-16 Christian Bruel <christian.bruel@st.com>
664 * config/sh/sh.h (sh_frame_pointer_required): New function.
665 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
666 (flag_omit_frame_pointer) Set.
667 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
668 (rounded_frame_size): Adjust size with outgoing_args_size.
669 (sh_set_return_address): Must return from stack pointer.
670 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
671 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
672 (ACCUMULATE_OUTGOING_ARGS): Define.
673 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
674 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
676 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
679 * config/sh/sh.c (sh_legitimize_reload_address): Use
680 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
681 Remove a unneeded check for offset_base.
683 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
685 * configure: Regenerated.
687 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
689 * config/s390/s390.c (s390_call_save_register_used): Switch back
692 2010-04-15 Richard Guenther <rguenther@suse.de>
694 * alias.c (alias_set_subset_of): Handle alias-set zero
697 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
698 Julian Brown <julian@codesourcery.com>
700 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
701 alternatives according to use of high and low regs.
702 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
703 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
704 optimizing for size on Thumb-2.
706 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
708 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
710 2010-04-15 Richard Guenther <rguenther@suse.de>
712 * tree-ssa-structalias.c (struct variable_info): Add
714 (new_var_info): Initialize it.
715 (dump_constraints): Support printing last added constraints.
716 (debug_constraints): Adjust.
717 (dump_constraint_graph): Likewise.
718 (make_heapvar_for): Check for NULL cfun.
719 (get_function_part_constraint): New function.
720 (get_fi_for_callee): Likewise.
721 (find_func_aliases): Properly implement IPA PTA constraints.
722 (process_ipa_clobber): New function.
723 (find_func_clobbers): Likewise.
724 (insert_into_field_list_sorted): Remove.
725 (create_function_info_for): Properly allocate vars for IPA mode.
726 Do not use insert_into_field_list_sorted.
727 (create_variable_info_for): Properly generate constraints for
728 global vars in IPA mode.
729 (dump_solution_for_var): Always dump the solution.
730 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
731 (find_what_var_points_to): Adjust.
732 (pt_solution_set): Change.
733 (pt_solution_ior_into): New function.
734 (pt_solution_empty_p): Export.
735 (pt_solution_includes_global): Adjust.
736 (pt_solution_includes_1): Likewise.
737 (pt_solutions_intersect_1): Likewise.
738 (dump_sa_points_to_info): Check some invariants.
739 (solve_constraints): Move constraint dumping ...
740 (compute_points_to_sets): ... here.
741 (ipa_pta_execute): ... and here.
742 (compute_may_aliases): Do not re-compute points-to info
743 locally if IPA info is available.
744 (ipa_escaped_pt): New global var.
745 (ipa_pta_execute): Properly implement IPA PTA.
746 * tree-into-ssa.c (dump_decl_set): Support dumping
747 decls not in referenced-vars.
748 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
749 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
750 (dump_points_to_solution): Likewise.
751 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
752 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
753 (remap_gimple_stmt): Reset call clobber/use information if necessary.
754 (copy_decl_to_var): Copy DECL_PT_UID.
755 (copy_result_decl_to_var): Likewise.
756 * tree.c (make_node_stat): Initialize DECL_PT_UID.
757 (copy_node_stat): Copy it.
758 * tree.h (DECL_PT_UID): New macro.
759 (SET_DECL_PT_UID): Likewise.
760 (DECL_PT_UID_SET_P): Likewise.
761 (struct tree_decl_minimal): Add pt_uid member.
762 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
763 (pt_solution_empty_p): Declare.
764 (pt_solution_set): Adjust.
765 (ipa_escaped_pt): Declare.
766 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
767 * gimple-pretty-print.c (pp_points_to_solution): New function.
768 (dump_gimple_call): Dump call clobber/use information.
769 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
770 * tree-pass.h (TDF_ALIAS): New dump option.
771 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
772 * doc/invoke.texi (-fipa-pta): Update documentation.
774 2010-04-15 Richard Guenther <rguenther@suse.de>
776 * Makefile.in (OBJS-common): Add gimple-fold.o.
777 (gimple-fold.o): New rule.
778 * tree.h (maybe_fold_offset_to_reference,
779 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
781 * gimple.h: ... here.
782 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
783 may_propagate_address_into_dereference): Move prototypes ...
784 * gimple.h: ... here.
785 * tree-ssa-ccp.c (get_symbol_constant_value,
786 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
787 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
788 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
789 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
790 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
791 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
792 gimplify_and_update_call_from_tree): Move ...
793 * gimple-fold.c: ... here. New file.
794 (ccp_fold_builtin): Rename to ...
795 (gimple_fold_builtin): ... this.
796 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
798 2010-04-15 Richard Guenther <rguenther@suse.de>
800 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
801 fit_double_type, force_fit_type_double, add_double_with_sign,
802 neg_double, mul_double_with_sign, lshift_double, rshift_double,
803 lrotate_double, rrotate_double, div_and_round_double): Move ...
804 * double-int.c: ... here.
805 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
806 add_double, neg_double, mul_double_with_sign, mul_double,
807 lshift_double, rshift_double, lrotate_double, rrotate_double,
808 div_and_round_double): Move prototypes ...
809 * double-int.h: ... here.
811 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
814 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
815 matching constraints to ensure inputs match the output.
817 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
820 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
821 in an input-only operand.
823 2010-04-15 Anatoly Sokolov <aesok@post.ru>
825 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
826 (double_int_not, double_int_lshift, double_int_rshift): Declare.
827 (double_int_negative_p): Convert to static inline function.
828 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
829 (double_int_negative_p): Remove.
830 * tree.h (lshift_double, rshift_double):
831 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
832 * fold-const.c (fold_convert_const_int_from_real,
833 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
834 (lshift_double): Change type of arith argument to bool.
835 (rshift_double): Change type of arith argument to bool. Correct
837 * expmed.c (mask_rtx, lshift_value): (Ditto.).
839 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
842 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
843 at the start and end of the then/else blocks, and omit them from the
845 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
846 argument; all callers changed. Pass zero to old_insns_match_p instead.
847 (flow_find_head_matching_sequence): New function.
848 (old_insns_match_p): Check REG_EH_REGION notes for calls.
849 * basic-block.h (flow_find_cross_jump,
850 flow_find_head_matching_sequence): Declare functions.
852 2010-04-14 Jason Merrill <jason@redhat.com>
855 * c-common.c (attribute_takes_identifier_p): New fn.
856 * c-common.h: Declare it.
858 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
860 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
862 (*udivmod<mode>4): Ditto.
864 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
866 * config/i386/i386.md (maxmin_int): Rename code attribute from
867 maxminiprefix and update all users.
868 (maxmin_float): Ditto from maxminfprefix.
869 (logic): Ditto from logicprefix.
870 (absneg_mnemonic): Ditto from absnegprefix.
871 * config/i386/mmx.md: Update all users of maxminiprefix,
872 maxminfprefix and logicprefix for rename.
873 * config/i386/sse.md: Ditto.
874 * config/i386/sync.md (sync_<code><mode>): Update for
877 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
880 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
881 warnings converted to errors.
883 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
885 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
886 used insn_type variable.
887 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
888 to avoid set-but-not-used warning.
890 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
892 * df-core.c (df_ref_debug): Change format string placeholder
894 * dwarf2asm.c (dw2_asm_output_data_raw,
895 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
896 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
897 * dwarf2out.c (output_cfi, output_cfi_directive,
898 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
899 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
901 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
902 * print-rtl.c (print_rtx): Ditto.
904 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
907 * builtins.c (expand_builtin_pow_root): New function to expand pow
908 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
909 series of sqrt and cbrt calls under -ffast-math.
910 (expand_builtin_pow): Call it.
912 2010-04-14 Michael Matz <matz@suse.de>
914 PR tree-optimization/42963
915 * tree-cfg.c (touched_switch_bbs): New static variable.
916 (group_case_labels_stmt): New function broken out from ...
917 (group_case_labels): ... here, use the above.
918 (start_recording_case_labels): Allocate touched_switch_bbs.
919 (end_recording_case_labels): Deallocate it, call
920 group_case_labels_stmt.
921 (gimple_redirect_edge_and_branch): Remember index of affected BB.
923 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
925 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
928 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
930 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
932 2010-04-13 Jan Hubicka <jh@suse.cz>
934 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
935 of optimized out static functions.
936 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
937 cost computation. Also sanity check for overflows.
938 (update_caller_keys): Update cgraph_edge_badness call; properly
939 update fibheap and sanity check that it is up to date.
940 (add_new_edges_to_heap): Update cgraph_edge_badness.
941 (cgraph_decide_inlining_of_small_function): Likewise;
942 add sanity checking that badness in heap is up to date;
943 improve dumping of reason; Update badness of calls to the
944 offline copy of function currently inlined; dump badness
945 of functions not inlined because of unit growth limits.
947 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
950 * c-common.c (pointer_int_sum): Disregard overflow that occured only
951 because of sign-extension change when converting to sizetype here...
952 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
954 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
955 the folding to constants. Remove redundant final conversion.
956 (fold_binary) <associate>: Do not associate if the re-association of
957 constants alone overflows.
958 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
959 to the end of the list.
960 (multiple_of_p) <COND_EXPR>: New case.
962 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
964 * opt-functions.awk (opt_sanitized_name): New.
966 * optc-gen.awk: Use it
967 * opth-gen.awk: Use it.
969 2010-04-13 Martin Jambor <mjambor@suse.cz>
971 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
972 (sra_modify_assign): Delete stmts loading dead data even if racc has no
973 children. Call replace_uses_with_default_def_ssa_name to handle
976 2010-04-13 Michael Matz <matz@suse.de>
979 * builtins.c (expand_builtin_interclass_mathfn): Also create
980 a register if the predicate doesn't match.
982 2010-04-13 Diego Novillo <dnovillo@google.com>
984 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
985 * c-pch.c: Include timevar.h.
986 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
987 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
988 * ggc-common.c: Include timevar.h.
989 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
990 * timevar.def (TV_PCH_SAVE): Define.
991 (TV_PCH_CPP_SAVE): Define.
992 (TV_PCH_PTR_REALLOC): Define.
993 (TV_PCH_PTR_SORT): Define.
994 (TV_PCH_RESTORE): Define.
995 (TV_PCH_CPP_RESTORE): Define.
997 2010-04-13 Michael Matz <matz@suse.de>
999 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1001 (can_reassociate_p): New function.
1002 (break_up_subtract_bb, reassociate_bb): Use it.
1004 2010-04-13 Richard Guenther <rguenther@suse.de>
1007 * builtins.c (c_readstr): Fix assert.
1009 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1011 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1012 when generating cltd insn.
1014 (*ashl<mode>3_1): Remove special handling for register operand 2.
1015 (*ashlsi3_1_zext): Ditto.
1016 (*ashlhi3_1): Ditto.
1017 (*ashlhi3_1_lea): Ditto.
1018 (*ashlqi3_1): Ditto.
1019 (*ashlqi3_1_lea): Ditto.
1020 (*<shiftrt_insn><mode>3_1): Ditto.
1021 (*<shiftrt_insn>si3_1_zext): Ditto.
1022 (*<shiftrt_insn>qi3_1_slp): Ditto.
1023 (*<rotate_insn><mode>3_1): Ditto.
1024 (*<rotate_insn>si3_1_zext): Ditto.
1025 (*<rotate_insn>qi3_1_slp): Ditto.
1027 2010-04-13 Richard Guenther <rguenther@suse.de>
1029 * tree-ssa-structalias.c (callused_id): Remove.
1030 (call_stmt_vars): New.
1031 (get_call_vi): Likewise.
1032 (lookup_call_use_vi): Likewise.
1033 (lookup_call_clobber_vi): Likewise.
1034 (get_call_use_vi): Likewise.
1035 (get_call_clobber_vi): Likewise.
1036 (make_transitive_closure_constraints): Likewise.
1037 (handle_const_call): Adjust to do per-call call-used handling.
1038 (handle_pure_call): Likewise.
1039 (find_what_var_points_to): Remove general callused handling.
1040 (init_base_vars): Likewise.
1041 (init_alias_vars): Initialize call_stmt_vars.
1042 (compute_points_to_sets): Process call-used and call-clobbered
1043 vars for call statements.
1044 (delete_points_to_sets): Free call_stmt_vars.
1046 2010-04-13 Richard Guenther <rguenther@suse.de>
1048 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1049 Only add RW dependence for dependence distance zero.
1050 Adjust maximal vectorization factor according to dependences.
1051 Move alignment handling ...
1052 (vect_find_same_alignment_drs): ... here. New function.
1053 (vect_analyze_data_ref_dependences): Adjust.
1054 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1055 (vect_analyze_data_refs): Adjust minimal vectorization factor
1056 according to data references.
1057 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1058 dependences before determining the vectorization factor.
1059 Analyze alignment after determining the vectorization factor.
1060 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1061 dependences before alignment.
1062 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1064 (vect_analyze_data_refs): Likewise.
1065 (MAX_VECTORIZATION_FACTOR): New define.
1067 2010-04-13 Duncan Sands <baldrick@free.fr>
1069 * except.h (lang_eh_type_covers): Remove.
1070 * except.c (lang_eh_type_covers): Likewise.
1072 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1073 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1075 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1076 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1077 UNITS_PER_LONG where it is ABI relevant.
1078 (s390_return_addr_rtx): Likewise.
1079 (s390_back_chain_rtx): Likewise.
1080 (s390_frame_area): Likewise.
1081 (s390_frame_info): Likewise.
1082 (s390_initial_elimination_offset): Likewise.
1083 (save_gprs): Likewise.
1084 (s390_emit_prologue): Likewise.
1085 (s390_emit_epilogue): Likewise.
1086 (s390_function_arg_advance): Likewise.
1087 (s390_function_arg): Likewise.
1088 (s390_va_start): Likewise.
1089 (s390_gimplify_va_arg): Likewise.
1090 (s390_function_profiler): Likewise.
1091 (s390_optimize_prologue): Likewise.
1092 (s390_rtx_costs): Likewise.
1093 (s390_secondary_reload): Likewise.
1094 (s390_promote_function_mode): Likewise.
1095 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1096 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1097 registers available.
1098 (s390_unwind_word_mode): New function.
1099 (s390_function_value): Split 64 bit values into register pair if
1100 used as return value.
1101 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1102 function call parameters. Handle parallels.
1103 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1104 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1105 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1106 (s390_expand_setmem): Remove unused variable src_addr.
1107 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1108 deal with 64 bit registers.
1109 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1110 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1111 (UNITS_PER_LONG): New macro.
1112 * libjava/include/s390-signal.h: Define extended ucontext
1113 structure containing the upper halfs of the 64 bit registers.
1115 2010-04-13 Simon Baldwin <simonb@google.com>
1117 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1119 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1121 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1122 rvalue on the RHS if the LHS is of a non-renamable type.
1123 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1125 2010-04-13 Matthias Klose <doko@ubuntu.com>
1127 * gcc.c (cc1_options): Handle -iplugindir before processing
1128 the cc1 spec. Only add -iplugindir once.
1129 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1131 * common.opt (iplugindir): Remove `Separate' property, initialize.
1132 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1134 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1135 (distclean): Remove plugin dir.
1136 * doc/invoke.texi: Document -iplugindir.
1138 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1140 * doc/plugins.texi (Loading Plugins): Document short
1141 -fplugin=foo option.
1142 (Plugin API): Mention default_plugin_dir_name function.
1144 * gcc.c (find_file_spec_function): Add new declaration.
1145 (static_spec_func): Use it for "find-file".
1146 (find_file_spec_function): Add new function.
1147 (cc1_options): Add -iplugindir option if -fplugin* options found.
1149 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1151 * plugin.c (add_new_plugin): Updated comment, and handle short
1153 (default_plugin_dir_name): Added new function.
1155 * common.opt (iplugindir): New option to set the plugin directory.
1157 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1159 * config/i386/i386.md (any_rotate): New code iterator.
1160 (rotate_insn): New code attribute.
1162 (SWIM124): New mode iterator.
1163 (<rotate_insn>ti3): New expander.
1164 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1165 any_rotate code iterator.
1166 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1167 using any_rotate code iterator and SWIM124 mode iterator.
1168 (ix86_rotlti3): New insn_and_split pattern.
1169 (ix86_rotrti3): Ditto.
1170 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1171 ix86_rotl{di,ti}3 patterns.
1172 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1173 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1174 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1175 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1176 code iterator and SWI mode iterator.
1177 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1178 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1180 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1181 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1182 (bswap rotatert splitter): Add splitter.
1183 (bswap splitter): Macroize splitter using any_rotate code iterator.
1184 Add insn predicate to split only for TARGET_USE_XCHGB or when
1185 optimizing function for size.
1187 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1189 * config/pa/pa.c (emit_move_sequence): Remove use of
1190 deleted variable flag_argument_noalias.
1192 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1194 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1196 Add to unsupported targets list.
1197 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1198 sparc*-sun-solaris2.[567]* from target lists.
1199 * configure: Regenerate.
1200 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1202 Remove Solaris 7 patch references.
1203 (Specific, sparc-sun-solaris2.7): Removed.
1204 (sparc-sun-solaris2*): Update Solaris 7 example.
1205 (sparc64-*-solaris2*): Likewise.
1207 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1209 * config.build (alpha*-dec-osf4*): Remove.
1210 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1211 of obsolete configurations.
1212 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1214 * config/alpha/t-osf4: Renamed to ...
1215 * config/alpha/t-osf5: ... this.
1216 * config/alpha/osf.h: Renamed to ...
1217 * config/alpha/osf5.h: ... this.
1218 Merged old osf5.h contents.
1220 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1221 (EXTRA_SPECS): Removed.
1222 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1223 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1226 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1228 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1230 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1233 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1234 __thiscall convention.
1236 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1238 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1240 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1242 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1244 * function.c (assign_parms_initialize_all): Add unused attribute
1247 2010-04-12 Richard Guenther <rguenther@suse.de>
1249 * gsstruct.def (GSS_CALL): New.
1250 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1251 * gimple.h: Include tree-ssa-alias.h.
1252 (struct gimple_statement_call): New.
1253 (union gimple_statement_struct_d): Add gimple_call member.
1254 (gimple_call_reset_alias_info): Declare.
1255 (gimple_call_use_set): New function.
1256 (gimple_call_clobber_set): Likewise.
1257 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1258 * gimple.c (gimple_call_reset_alias_info): New function.
1259 (gimple_build_call_1): Call it.
1260 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1261 * tree-inline.c (remap_gimple_stmt): Likewise.
1262 (expand_call_inline): Remove callused handling.
1263 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1264 * tree-dfa.c (dump_variable): Likewise.
1265 * tree-parloops.c (parallelize_loops): Likewise.
1266 * tree-ssa.c (init_tree_ssa): Likewise.
1267 (delete_tree_ssa): Likewise.
1268 * tree-flow-inline.h (is_call_used): Remove.
1269 * tree-flow.h (struct gimple_df): Remove callused member.
1270 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1271 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1272 (ref_maybe_used_by_call_p_1): Simplify.
1273 (call_may_clobber_ref_p_1): Likewise.
1274 * tree-ssa-structalias.c (compute_points_to_sets): Set
1275 the call stmt used and clobbered sets.
1276 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1277 (find_tail_calls): Verify the tail call.
1279 2010-04-12 Richard Guenther <rguenther@suse.de>
1281 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1282 single-iteration always-inline inlining.
1283 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1284 (cgraph_decide_inlining): Do not handle always-inline specially.
1285 (try_inline): Remove always-inline cycle detection special case.
1286 Do not recurse on always-inlines.
1287 (cgraph_early_inlining): Do not iterate if not optimizing.
1288 (cgraph_gate_early_inlining): remove.
1289 (pass_early_inline): Run unconditionally.
1290 (gate_cgraph_decide_inlining): New function.
1291 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1292 not inlining or optimizing.
1293 (cgraph_decide_inlining_of_small_functions): Also consider
1294 always-inline functions.
1295 (cgraph_default_inline_p): Return true for nodes which should
1296 disregard inline limits.
1297 (estimate_function_body_sizes): Assume zero size and time for
1298 nodes which are marked as disregarding inline limits.
1299 (cgraph_decide_recursive_inlining): Do not perform recursive
1300 inlining on always-inline nodes.
1302 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1305 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1306 for exprs satisfying handled_component_p.
1308 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1310 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1311 non-constant aggregate elements.
1313 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1314 is a real initialization.
1316 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1319 * c-decl.c (start_function): Move forward check for nested function.
1321 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1323 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1324 * config/sh/sh.c: Include reload.h.
1325 (sh_legitimize_reload_address): New.
1326 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1327 sh_legitimize_reload_address.
1329 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1331 * config/sh/sh.md (*movqi_pop): New insn pattern.
1332 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1334 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1336 * config/i386/i386.md (any_shiftrt): New code iterator.
1337 (shiftrt_insn): New code attribute.
1339 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1340 using any_shiftrt code iterator.
1341 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1342 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1343 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1344 pattern from corresponding peephole2 patterns.
1345 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1346 using any_shiftrt code iterator.
1347 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1348 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1349 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1350 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1351 *{ashr,lshr}<mode>3_cmp_zext.
1352 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1354 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1356 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1358 (*lshr<mode>3_cconly): Ditto.
1360 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1362 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1363 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1364 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1365 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1367 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1368 from corresponding peephole2 patterns.
1369 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1370 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1371 and *lshrdi3_1_rex64 using SWI mode iterator.
1372 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1373 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1374 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1375 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1376 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1377 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1378 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1379 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1380 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1383 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1385 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1386 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1387 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1388 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1390 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1391 from corresponding peephole2 patterns.
1392 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1393 (ashrsi3_cvt): Rename from ashrsi3_31.
1394 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1395 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1396 and x86_64_shift_adj_3 using SWI48 mode iterator.
1397 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1398 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1399 and *ashrdi3_1_rex64 using SWI mode iterator.
1400 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1401 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1402 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1403 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1404 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1405 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1406 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1407 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1408 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1410 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1411 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1412 x86_shift<mode>_adj_3 expanders.
1414 2010-04-10 Wei Guozhi <carrot@google.com>
1417 * config/arm/arm.c (arm_pic_static_addr): New function.
1418 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1420 (arm_output_addr_const_extra): Output expression for new pattern.
1421 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1423 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1425 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1428 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1429 * web.c: Include "insn-config.h" and "recog.h".
1430 (union_match_dups): New function.
1431 (web_main): Call it.
1432 (union_defs): Don't try to recognize match_dups.
1434 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1435 if doing so would replace the entire pattern.
1437 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1441 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1442 and splitter pattern. Change splitter operand 1 predicate to
1445 2010-04-09 Martin Jambor <mjambor@suse.cz>
1447 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1448 lattices are addresses of CONST_DECLs with the same initial value.
1449 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1450 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1452 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1453 Bernd Schmidt <bernds@codesourcery.com>
1455 * loop-invariant.c (replace_uses): New static function.
1456 (move_invariant_reg): Use it to ensure we can replace the uses.
1458 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1460 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1462 (picochip_override_options): Enable section anchors only above -O1.
1463 (picochip_reorg): Fixed a couple of build warnings.
1465 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1467 * configure.ac (plugin -rdynamic test): Log result.
1468 * configure: Regenerate.
1469 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1470 (RDYNAMIC_SPEC): Define.
1471 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1473 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1475 * configure.ac: Determine Sun ld version numbers.
1476 (comdat_group): Restrict GNU ld version checks to gld.
1477 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1478 (enable_comdat): Support --enable-comdat.
1479 * configure: Regenerate.
1480 * doc/install.texi (Configuration): Document --enable-comdat.
1482 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1484 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1485 * config/sol2-gld.h: ... here.
1486 * config.gcc (sparc*-*-solaris2*): Reflect this.
1487 (i[34567]86-*-solaris2*): Use it.
1489 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1491 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1493 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1495 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1498 * diagnostic.c (diagnostic_initialize): Initialize
1499 some_warnings_are_errors.
1500 (diagnostic_finish): New.
1501 (diagnostic_action_after_output): Call it before exiting.
1502 (diagnostic_report_diagnostic): Do not print message here. Set
1503 some_warnings_are_errors.
1504 * diagnostic.h (diagnostic_context): Delete
1505 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1506 (diagnostic_finish): Declare.
1507 * toplev.c (toplev_main): Call it before exit.
1509 2010-04-09 Jason Merrill <jason@redhat.com>
1512 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1513 for incomplete type.
1516 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1517 based on a warning flag.
1519 2010-04-09 Richard Guenther <rguenther@suse.de>
1521 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1523 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1526 * varasm.c (default_assemble_visibility): Wrap vars that are
1527 set, but unused, by targets without GAS.
1528 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1529 Remove set, but unused, vars.
1530 (rs6000_legitimize_tls_address): Likewise.
1531 (altivec_expand_dst_builtin): Likewise.
1532 * config/darwin.c (machopic_classify_symbol): Likewise.
1533 (machopic_indirection_name): Likewise.
1535 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1537 * config/i386/i386.md (DWI): New mode iterator.
1538 (S): New mode attribute.
1539 (shift_operand): Ditto.
1540 (shift_immediate_operand): Ditto.
1541 (ashl_input_operand): Ditto.
1542 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1543 using SDWIM mode iterator.
1544 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1545 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1547 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1548 from corresponding peephole2 patterns.
1549 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1550 and x86_64_shift_adj_1 using SWI48 mode iterator.
1551 (x86_shift<mode>_adj_2): Ditto.
1552 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1553 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1554 using SWI48 mode iterator.
1555 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1556 *ashldi3_cmp_rex64 using SWI mode iterator.
1557 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1558 *ashldi3_cconly_rex64 using SWI mode iterator.
1559 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1560 x86_shift<mode>_adj_{1,2}.
1561 (ix86_split_ashr): Ditto.
1562 (ix86_split_lshr): Ditto.
1564 2010-04-09 Richard Guenther <rguenther@suse.de>
1566 * target.h (builtin_conversion): Pass in input and output types.
1567 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1568 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1569 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1570 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1572 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1574 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1576 2010-04-09 Richard Guenther <rguenther@suse.de>
1579 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1581 2010-04-09 Richard Guenther <rguenther@suse.de>
1583 * tree-vectorizer.h (struct _stmt_vec_info): Document
1584 that vectype is the type of the LHS.
1585 (supportable_widening_operation, supportable_narrowing_operation):
1586 Get both input and output vector types as arguments.
1587 (vect_is_simple_use_1): Declare.
1588 (get_same_sized_vectype): Likewise.
1589 * tree-vect-loop.c (vect_determine_vectorization_factor):
1590 Set STMT_VINFO_VECTYPE to the vector type of the def.
1591 (vectorizable_reduction): Adjust.
1592 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1593 Adjust. Specify the output vector type.
1594 (vect_pattern_recog_1): Adjust.
1595 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1596 (vectorizable_call): Adjust.
1597 (vectorizable_conversion): Likewise.
1598 (vectorizable_operation): Likewise.
1599 (vectorizable_type_demotion): Likewise.
1600 (vectorizable_type_promotion): Likewise.
1601 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1603 (vect_is_simple_use_1): New function.
1604 (supportable_widening_operation): Get both input and output
1606 (supportable_narrowing_operation): Likewise.
1607 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1609 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1611 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1612 __thiscall and _thiscall as predefined macros.
1613 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1614 thiscall attribute handling.
1615 (ix86_comp_type_attributes): Likewise.
1616 (ix86_function_regparm): Likewise.
1617 (ix86_return_pops_args): Likewise.
1618 (init_cumulative_args): Likewise.
1619 (find_drap_reg): Likewise.
1620 (ix86_static_chain): Likewise.
1621 (x86_this_parameter): Likewise.
1622 (x86_output_mi_thunk): Likewise.
1623 (ix86_attribute_table): Add description for thiscall attribute.
1624 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1625 * doc/extend.texi: Add documentation for thiscall.
1627 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1630 * c.opt (Wint-to-pointer-cast): Available in C++.
1631 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1633 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1635 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1636 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1637 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1638 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1639 function type instead. Reorder and simplify checks.
1641 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1643 2010-04-08 Jing Yu <jingyu@google.com>
1644 Zdenek Dvorak <ook@ucw.cz>
1646 PR tree-optimization/42720
1647 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1648 loop unswitch conditions here from ...
1649 (tree_unswitch_single_loop): ... here.
1651 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1653 * tree-if-conv.c: Fix comments and simplify logic.
1655 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1657 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1658 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1659 (main_tree_if_conversion): Update call to tree_if_conversion.
1661 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1664 * doc/invoke.texi (-b,-V): Delete.
1665 * doc/tm.texi: Do not mention -b.
1666 * gcc.c (display_help): Delete -b and -V.
1667 (process_command): Delete -b and -V.
1668 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1670 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1671 Wolfgang Gellerich <gellerich@de.ibm.com>
1673 Implement target hook for loop unrolling
1674 * target.h (loop_unroll_adjust): Add a new target hook function.
1675 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1676 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1677 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1678 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1679 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1681 (decide_unroll_stupid): Likewise.
1683 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1686 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1688 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1690 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1691 (Specific, *-*-solaris2*): Likewise.
1692 Don't prefer Sun as over GNU as.
1694 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1696 * config/s390/s390.c (override_options): Adjust the z10
1697 defaults for max-unroll-times, max-completely-peeled-insns
1698 and max-completely-peel-times.
1700 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1702 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1703 instructions for z10.
1704 (s390_expand_setmem): Likewise.
1705 (s390_expand_cmpmem): Likewise.
1707 2010-04-08 Richard Guenther <rguenther@suse.de>
1709 PR tree-optimization/43679
1710 * tree-ssa-pre.c (eliminate): Only propagate copies.
1712 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1715 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1716 set but not used variable warning.
1718 2010-04-08 Wei Guozhi <carrot@google.com>
1721 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1722 (arm_size_rtx_costs): Call the new function when optimized for size.
1724 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1727 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1728 op0 is not a MEM, just return NULL instead of assertion
1730 (discover_nonconstant_array_refs): Don't walk debug stmts.
1732 2010-04-08 Doug Kwan <dougkwan@google.com>
1734 * configure.ac: Recognize gold and do not use its version number
1735 to test ld features.
1736 * configure: Regenerate.
1738 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1741 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1742 (negate_value): Move code to push elements to broken_up_substracts ...
1743 (eliminate_plus_minus_pair): ... here. Push operands that have no
1744 negative pair to plus_negates.
1745 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1747 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1749 * doc/install.texi (Configuration): Move description of
1750 --enable-lto, --with-libelf*, --enable-gold from Java section to
1753 * doc/generic.texi (Working with declarations)
1754 (Function Properties, C and C++ Trees): Fix typos.
1755 * doc/sourcebuild.texi (Top Level): Likewise.
1757 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1760 * tree.h (DECL_READ_P): Define.
1761 (struct tree_decl_common): Add decl_read_flag.
1762 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1763 a set but not used warning.
1764 (merge_decls): Merge DECL_READ_P flag.
1765 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1766 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1767 * c-common.c (handle_used_attribute, handle_unused_attribute):
1769 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1771 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1773 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1774 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1775 c_parser_binary_expression, c_parser_cast_expression,
1776 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1777 Call default_function_array_read_conversion instead of
1778 default_function_array_conversion where needed.
1779 (c_parser_unary_expression, c_parser_conditional_expression,
1780 c_parser_postfix_expression_after_primary, c_parser_initelt):
1781 Likewise. Call mark_exp_read where needed.
1782 (c_parser_statement_after_labels, c_parser_asm_operands,
1783 c_parser_typeof_specifier, c_parser_sizeof_expression,
1784 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1786 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1788 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1789 (warn_unused_but_set_parameter): Default to warn_unused
1791 * doc/invoke.texi: Document -Wunused-but-set-variable and
1792 -Wunused-but-set-parameter.
1794 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1795 used count variable.
1796 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1797 when operandN variables aren't used in the body of the expander
1799 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1800 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1801 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1802 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1803 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1804 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1805 * tree.c (PROCESS_ARG): Likewise.
1807 2010-04-07 Simon Baldwin <simonb@google.com>
1809 * diagnostic.h (diagnostic_override_option_index): New macro to
1810 set a diagnostic's option_index.
1811 * c-tree.h (c_cpp_error): Add warning reason argument.
1812 * opts.c (_warning_as_error_callback): New.
1813 (register_warning_as_error_callback): Store callback for
1814 warnings enabled via enable_warning_as_error.
1815 (enable_warning_as_error): Call callback, minor code tidy.
1816 * opts.h (register_warning_as_error_callback): Declare.
1817 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1818 response to -Werror=.
1819 (c_common_init_options): Register warning_as_error_callback in opts.c.
1820 * common.opt: Add -Wno-cpp option.
1821 * c-common.c (struct reason_option_codes_t): Map cpp warning
1822 reason codes to gcc option indexes.
1823 * (c_option_controlling_cpp_error): New function, lookup the gcc
1824 option index for a cpp warning reason code.
1825 * (c_cpp_error): Add warning reason argument, call
1826 c_option_controlling_cpp_error for diagnostic_override_option_index.
1827 * doc/invoke.texi: Document -Wno-cpp.
1829 2010-04-07 Richard Guenther <rguenther@suse.de>
1831 * ipa-reference.c (mark_load): Use get_base_address.
1832 (mark_store): Likewise.
1834 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1835 inserting GIMPLE_NOPs into the IL.
1836 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1837 Explicitly strip handled components and indirect references.
1839 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1840 folding address expressions.
1841 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1842 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1843 operand_equal_p to compare decls.
1844 (ptr_deref_may_alias_decl_p): Likewise.
1845 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1846 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1847 Handle reversed comparison ops.
1848 * tree-sra.c (asm_visit_addr): Use get_base_address.
1849 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1850 * ipa-reference.c (mark_address): Use get_base_address.
1852 2010-04-07 Richard Guenther <rguenther@suse.de>
1854 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1855 Propagate constants everywhere.
1857 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1860 * tree.c (MAX_INT_CACHED_PREC): Define.
1861 (nonstandard_integer_type_cache): New array.
1862 (build_nonstandard_integer_type): Cache results for precision
1863 <= MAX_INT_CACHED_PREC.
1865 2010-04-07 Richard Guenther <rguenther@suse.de>
1867 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1868 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1869 * common.opt: Likewise.
1870 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1871 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1872 (nonoverlapping_memrefs_p): Likewise.
1873 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1874 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1875 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1876 OPT_fargument_noalias_global for backward compatibility.
1878 2010-04-07 Richard Guenther <rguenther@suse.de>
1880 PR tree-optimization/43270
1881 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1882 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1883 * tree-ssa-pre.c (phi_translate_1): Adjust.
1884 (fully_constant_expression): Split out vn_reference handling to ...
1885 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1886 Fold reads from constant strings.
1887 (vn_reference_lookup): Handle fully constant references.
1888 (vn_reference_lookup_pieces): Likewise.
1889 * Makefile.in (expmed.o-warn): Add -Wno-error.
1891 2010-04-07 Martin Jambor <mjambor@suse.cz>
1893 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1895 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1898 * gcc.c: Add -static-libstdc++ to list of recognized options.
1900 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1902 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1904 2010-04-07 Richard Guenther <rguenther@suse.de>
1907 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1908 bases build simple mem attributes to retain points-to information.
1910 2010-04-07 Richard Guenther <rguenther@suse.de>
1913 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1914 preserve points-to related information.
1916 2010-04-07 Richard Guenther <rguenther@suse.de>
1919 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1920 discard plain indirect references.
1921 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1922 * tree.c (tree_nop_conversion): Likewise.
1924 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1927 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1929 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1931 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1932 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1934 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1936 * tree-if-conv.c: Fix indentation and comments.
1938 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1940 * tree-if-conv.c: Sort static functions in topological order.
1942 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1944 * tree-if-conv.c: Fix indentation and comments.
1946 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1949 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1950 lang_hooks.types.type_for_size instead of
1951 build_nonstandard_integer_type.
1952 When converting an unsigned type to signed, double its precision.
1953 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1954 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1955 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1958 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1961 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1962 POINTER_PLUS_EXPR for pointer types.
1964 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1967 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1968 * graphite-clast-to-gimple.c: Include langhooks.h.
1969 (max_signed_precision_type): New.
1970 (max_precision_type): Takes two types as arguments.
1971 (precision_for_value): New.
1972 (precision_for_interval): New.
1973 (gcc_type_for_interval): New.
1974 (gcc_type_for_value): New.
1975 (gcc_type_for_clast_term): New.
1976 (gcc_type_for_clast_red): New.
1977 (gcc_type_for_clast_bin): New.
1978 (gcc_type_for_clast_expr): Split up into several functions.
1979 (gcc_type_for_clast_eq): Rewritten.
1980 (compute_bounds_for_level): New.
1981 (compute_type_for_level_1): New.
1982 (compute_type_for_level): New.
1983 (gcc_type_for_cloog_iv): Removed.
1984 (gcc_type_for_iv_of_clast_loop): Rewritten.
1985 (graphite_create_new_loop): Compute the lower and upper bound types
1986 with gcc_type_for_clast_expr.
1987 (graphite_create_new_loop_guard): Same.
1988 (find_cloog_iv_in_expr): Removed.
1989 (compute_cloog_iv_types_1): Removed.
1990 (compute_cloog_iv_types): Removed.
1991 (gloog): Do not call compute_cloog_iv_types.
1992 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1994 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1995 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1996 (GBB_CLOOG_IV_TYPES): Removed.
1998 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2000 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2001 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2002 (detect_commutative_reduction): Same.
2004 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2006 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2007 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2009 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2010 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2011 (rewrite_commutative_reductions_out_of_ssa): Same.
2012 * passes.c (execute_function_todo): Call verify_ssa for every pass
2013 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2014 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2015 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2016 with an extra argument.
2017 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2018 verify_ssa only when the extra argument is true.
2019 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2020 with an extra argument.
2021 (tree_transform_and_unroll_loop): Same.
2023 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2025 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2026 for all the passes of the LNO having LOOP_CLOSED_SSA.
2027 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2028 * tree-loop-distribution.c (pass_loop_distribution): Same.
2029 * tree-pass.h (TODO_verify_loops): Removed.
2030 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2032 (pass_tree_unswitch): Same.
2033 (pass_predcom): Same.
2034 (pass_vectorize): Same.
2035 (pass_linear_transform): Same.
2036 (pass_graphite_transforms): Same.
2037 (pass_iv_canon): Same.
2038 (pass_complete_unroll): Same.
2039 (pass_complete_unrolli): Same.
2040 (pass_parallelize_loops): Same.
2041 (pass_loop_prefetch): Same.
2042 (pass_iv_optimize): Same.
2044 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2047 * passes.c (init_optimization_passes): Move pass_lim before
2048 pass_copy_prop and pass_dce_loop.
2050 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2053 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2054 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2055 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2056 MULTI_* defines for 4 argument vpermil2p* builtins.
2058 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2060 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2061 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2062 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2063 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2064 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2065 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2066 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2067 Use x86_maybe_negate_const_int to output insn mnemonic.
2068 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2069 check from instruction predicate. Update comments.
2070 * config/i386/sync.md (sync_add<mode>): Use
2071 x86_maybe_negate_const_int to output insn mnemonic.
2073 2010-04-06 Jan Hubicka <jh@suse.cz>
2075 PR tree-optimization/42906
2076 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2077 IGNORE_SELF argument. Set visited_control_parents for fully
2079 (find_obviously_necessary_stmts): Update call of
2080 mark_control_dependent_edges_necessary.
2081 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2083 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2085 * config/i386/i386.md: Remove comment about 'e' and 'E'
2088 2010-04-06 Richard Guenther <rguenther@suse.de>
2090 PR tree-optimization/43627
2091 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2092 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2095 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2097 * BASE-VER: Change to 4.6.0.
2100 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2103 2010-04-06 Richard Guenther <rguenther@suse.de>
2106 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2108 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2110 * doc/invoke.texi (Optimize Options): Document that LTO
2111 won't remove object access purely due to incompatible
2114 2010-04-04 Matthias Klose <doko@ubuntu.com>
2116 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2117 Initialize variable.
2119 2010-04-03 Richard Guenther <rguenther@suse.de>
2122 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2123 require a non-NULL MEM_OFFSET.
2125 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2127 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2128 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2129 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2130 config/alpha/predicates.md, config/arm/arm.md,
2131 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2132 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2133 config/darwin9.h, config/darwin.c, config/darwin.h,
2134 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2135 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2136 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2137 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2138 config/mips/mips.md, config/mn10300/mn10300.c,
2139 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2140 config/rs6000/aix.h, config/rs6000/dfp.md,
2141 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2142 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2143 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2144 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2145 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2146 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2147 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2148 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2149 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2150 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2151 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2152 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2153 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2154 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2155 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2156 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2157 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2158 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2159 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2160 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2161 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2162 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2163 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2164 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2165 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2166 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2167 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2168 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2169 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2170 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2171 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2172 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2173 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2174 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2175 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2176 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2178 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2181 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2182 * aclocal.m4: Regenerate.
2184 2010-04-02 Richard Guenther <rguenther@suse.de>
2186 PR tree-optimization/43629
2187 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2188 if we have seen a constant value.
2190 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2192 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2194 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2197 * arm.c (legitimize_tls_address): Adjust call to
2198 gen_tls_load_dot_plus_four.
2199 (arm_note_pic_base): New function.
2200 (arm_cannot_copy_insn_p): Use it.
2201 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2204 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2209 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2211 * Makefile.in ($(out_object_file)): Depend on
2212 gt-$(basename $(notdir $(out_file))).h.
2214 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2216 * config.gcc (lm32-*-rtems*): Add t-lm32.
2218 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2220 * config.gcc: Add lm32-*-rtems*.
2221 * config/lm32/rtems.h: New file.
2223 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2226 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2228 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2230 * dwarf2out.c (output_compilation_unit_header): For
2231 -gdwarf-4 use version 4 instead of version 3.
2232 (output_line_info): For version 4 and above emit additional
2233 maximum ops per insn header field.
2234 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2236 * dwarf2out.c (is_c_family, is_java): Remove.
2237 (lower_bound_default): New function.
2238 (add_bound_info, gen_descr_array_type_die): Use it.
2240 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2243 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2244 re-declaration when it happens in a function.
2246 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2248 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2249 (cgraph_remove_function_insertion_hook): Same.
2250 (cgraph_call_function_insertion_hooks): Same.
2252 2010-04-01 Richard Guenther <rguenther@suse.de>
2255 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2256 and TREE_THIS_VOLATILE.
2257 (copy_ref_info): Likewise.
2258 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2259 * tree.c (build6_stat): Ignore side-effects of all but arg5
2260 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2263 2010-04-01 Richard Guenther <rguenther@suse.de>
2265 PR tree-optimization/43607
2266 * ipa-type-escape.c (check_call): Do not access non-existing
2269 2010-04-01 Richard Guenther <rguenther@suse.de>
2273 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2274 Jack Howarth <howarth@bromo.med.uc.edu>
2276 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2279 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2281 * doc/install.texi (Prerequisites): Document libelf usability on
2282 IRIX 5/6 and Solaris 2.
2283 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2284 Update GNU as, GNU ld requirements.
2285 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2286 Document Sun Studio compiler download.
2287 Update and simplify as, ld recommendations.
2288 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2290 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2292 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2293 with_tune_32 to pentium4.
2295 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2297 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2299 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2301 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2302 obsoletion, removal.
2304 Document GNU as requirement.
2305 Update configure requirements.
2306 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2307 Recomment IRIX 6.5.18+.
2308 Document IDF/IDL requirement.
2309 Document GNU as requirement.
2310 Document GNU ld bootstrap failure.
2311 Remove freeware.sgi.com reference.
2313 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2315 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2316 UNIX V4.0, V5.0 obsoletion, removal.
2317 Remove --with-gc=simple reference.
2318 Update VM requirements during bootstrap.
2319 Remove -oldas bootstrap description.
2320 Update binutils reference.
2321 Remove comparison failure note.
2323 2010-03-31 Richard Guenther <rguenther@suse.de>
2324 Zdenek Dvorak <ook@ucw.cz>
2325 Sebastian Pop <sebastian.pop@amd.com>
2328 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2329 with multiple arguments.
2330 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2332 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2334 * graphite-dependences.c (print_pddr): Call print_pdr with an
2336 * graphite-poly.c (debug_pdr): Add an extra argument for the
2339 (print_pbb_domain): Same.
2341 (print_scop_context): Same.
2343 (print_cloog): Same.
2344 (debug_pbb_domain): Same.
2348 (debug_scop_context): Same.
2350 (debug_cloog): Same.
2351 (print_scop_params): Same.
2352 (debug_scop_params): Same.
2353 (print_iteration_domain): Same.
2354 (print_iteration_domains): Same.
2355 (debug_iteration_domain): Same.
2356 (debug_iteration_domains): Same.
2357 (print_scattering_function): Same.
2358 (print_scattering_functions): Same.
2359 (debug_scattering_function): Same.
2360 (debug_scattering_functions): Same.
2361 * graphite-poly.h (debug_pdr): Update declaration.
2363 (print_pbb_domain): Same.
2365 (print_scop_context): Same.
2367 (print_cloog): Same.
2368 (debug_pbb_domain): Same.
2372 (debug_scop_context): Same.
2374 (debug_cloog): Same.
2375 (print_scop_params): Same.
2376 (debug_scop_params): Same.
2377 (print_iteration_domain): Same.
2378 (print_iteration_domains): Same.
2379 (debug_iteration_domain): Same.
2380 (debug_iteration_domains): Same.
2381 (print_scattering_function): Same.
2382 (print_scattering_functions): Same.
2383 (debug_scattering_function): Same.
2384 (debug_scattering_functions): Same.
2386 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2388 * graphite-poly.c (print_scattering_function_1): New.
2389 (print_scattering_function): Call it.
2390 (print_scop_params): Remove spaces at the end of lines.
2393 * graphite-poly.h (print_cloog): Declared.
2394 (debug_cloog): Declared.
2396 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2398 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2400 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2401 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2402 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2403 to switch between adding the IV bump in loop->latch or in loop->header.
2405 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2407 * graphite-poly.c (print_scattering_function): Pretty print following
2410 (print_pbb_domain): Same.
2411 (dump_gbb_cases): Same.
2412 (dump_gbb_conditions): Same.
2415 (print_scop_params): Same.
2416 (print_scop_context): Same.
2418 (print_pbb_body): New.
2419 (lst_indent_to): New.
2420 (print_lst): Start new lines with a #.
2421 * graphite-poly.h (pbb_bb): New.
2422 (pbb_index): Use pbb_bb.
2423 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2425 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2427 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2429 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2430 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2431 and 0 instead of 1 for dw_val_class_flag.
2432 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2433 dw_val_class_range_list, dw_val_class_loc_list,
2434 dw_val_class_lineptr and dw_val_class_macptr, use
2435 DW_FORM_flag_present for dw_val_class_flag and
2436 DW_FORM_exprloc for dw_val_class_loc.
2437 (output_die): For -gdwarf-4 print dw_val_class_loc
2438 size as uleb128 instead of 1 or 2 bytes and don't print
2439 anything for dw_val_class_flag.
2441 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2442 instead of cselib_lookup following by tweaking locs->setting_insn.
2445 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2446 even before returning from label, setjmp call or volatile asm
2449 2010-03-31 Richard Guenther <rguenther@suse.de>
2452 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2453 temporary data on stack.
2455 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2457 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2458 (PUSHSECTION_ASM_OP): Remove.
2459 (POPSECTION_ASM_OP): Remove.
2460 (PUSHSECTION_FORMAT): Remove.
2461 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2462 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2463 * config/sol2.c (solaris_output_init_fini): Use it.
2465 2010-03-31 Jie Zhang <jie@codesourcery.com>
2468 * opt-functions.awk (var_type_struct): Use signed char type
2469 for simple variables.
2471 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2473 * config/sol2.c: Include output.h.
2474 (solaris_assemble_visibility): New function.
2475 * config/t-sol2 (sol2.o): Add output.h dependency.
2476 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2477 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2480 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2483 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2484 V2SImode or XFmode on PRE_DEC.
2487 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2490 2010-03-31 Jie Zhang <jie@codesourcery.com>
2493 * reload.h (caller_save_initialized_p): Declare.
2494 * toplev.c (backend_init_target): Don't call
2495 init_caller_save but set caller_save_initialized_p to false.
2496 * caller-save.c (caller_save_initialized_p): Define.
2497 (init_caller_save): Check caller_save_initialized_p.
2498 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2500 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2503 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2504 and soft-fp/t-softfp to tmake_file.
2505 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2506 (LIBGCC2_TF_CEXT): Define.
2509 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2512 * cselib.c (n_useless_values): Document handling of debug locs.
2513 (n_useless_debug_values, n_debug_values): New variables.
2514 (new_elt_loc_list): Don't add to debug values, keep count.
2515 (promote_debug_loc): New.
2516 (cselib_reset_table): Zero new variables.
2517 (entry_and_rtx_equal_p): Promote debug locs.
2518 (discard_useless_locs): Increment n_useless_debug_values for
2520 (remove_useless_values): Adjust n_useless_values and n_debug_values
2521 with n_useless_debug_values.
2522 (add_mem_for_addr): Promote debug locs.
2523 (cselib_lookup_mem): Likewise.
2524 (cselib_lookup_addr): Renamed to...
2525 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2526 (cselib_log_lookup): ... this. Turn into...
2527 (cselib_lookup_addr): ... new wrapper.
2528 (cselib_lookup_from_insn): New.
2529 (cselib_invalidate_regno): Increment n_useless_debug_values for
2531 (cselib_invalidate_mem): Likewise.
2532 (cselib_process_insn): Take n_deleted and n_debug_values into
2533 account to guard remove_useless_value call.
2534 (cselib_finish): Zero n_useless_debug_values.
2535 * cselib.h (cselib_lookup_from_insn): Declare.
2536 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2537 (sched_analyze_2): Likewise.
2539 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2541 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2543 (adjust_mems): Replace narrowing SUBREG of expression containing
2544 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2545 with operations in the narrower mode.
2548 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2549 regs_invalidated_by_call instead all call_used_reg_set registers.
2551 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2554 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2555 pointer comparisons with types_compatible_p.
2556 * tree-vect-stmts.c (vectorizable_call): Same.
2557 (vectorizable_condition): Same.
2559 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2561 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2562 stack check if the mask would be zero.
2564 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2565 Jack Howarth <howarth@bromo.med.uc.edu>
2567 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2570 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2573 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2575 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2576 Include ___unordxf2 and ___unordtf2.
2577 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2580 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2582 * config/lm32/t-lm32: New file.
2583 * config.gcc: Use the above file when targetting lm32.
2585 2010-03-28 Duncan Sands <baldrick@free.fr>
2587 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2589 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2592 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2593 Improve vectorization cost model diagnostic.
2595 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2598 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2599 compute_data_dependences_for_loop returns false, early exit
2600 and output an extra diagnostic for the failed data reference
2603 2010-03-29 Richard Guenther <rguenther@suse.de>
2605 PR tree-optimization/43560
2606 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2607 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2609 2010-03-29 Jie Zhang <jie@codesourcery.com>
2612 * toplev.c (process_options): Set optimization_default_node
2613 and optimization_current_node.
2614 * opts.c (decode_options): Don't set optimization_default_node
2615 and optimization_current_node.
2617 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2619 * config/rtems.h: Abandon -qrtems_debug.
2621 2010-03-28 Jan Hubicka <jh@suse.cz>
2623 PR tree-optimization/43505
2624 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2625 map should not be copied.
2627 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2630 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2631 cdtors, set DECL_PRESERVE_P.
2632 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2635 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2637 PR tree-optimization/43528
2638 * stor-layout.c (place_field): Check that constant fits into
2639 unsigned HWI when skipping calculation of MS bitfield layout.
2641 2010-03-27 Jan Hubicka <jh@suse.cz>
2644 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2645 notice_global_symbol work.
2647 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2649 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2650 instead of dwarf2out_decl.
2651 (struct var_loc_node): Remove section_label field.
2652 (dwarf2out_function_decl): New function.
2653 (dwarf2out_var_location): Don't set section_label field.
2654 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2656 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2658 PR tree-optimization/43544
2659 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2660 First argument for builtin vectorized function hook is now a
2661 tree to be able to distinguish between machine specific and
2663 * targhooks.c (default_builtin_vectorized_function): Ditto.
2664 * targhooks.h (default_builtin_vectorized_function): Ditto.
2665 * target.h (struct gcc_target): Ditto.
2666 * tree-vect-stmts.c (vectorizable_function): Ditto.
2667 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2668 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2671 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2674 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2675 nested binding iff it is a FUNCTION_DECL.
2676 (store_parm_decls_newstyle): Pass nested=true to bind for
2677 FUNCTION_DECLs amongst parameters.
2679 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2681 * var-tracking.c (vt_expand_loc_callback): Don't run
2682 cselib_expand_value_rtx_cb in dummy mode if
2683 cselib_dummy_expand_value_rtx_cb returned false.
2685 * var-tracking.c (emit_note_insn_var_location): For one part
2686 notes with offset 0, don't add EXPR_LIST around the location.
2687 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2688 add_location_or_const_value_attribute): Adjust for that change.
2691 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2692 into first operand and location into second.
2693 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2694 dw_cfi_oprnd_loc for DW_CFA_expression.
2695 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2696 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2697 assume first argument is regnum and second argument is location.
2699 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2702 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2703 of scratch register to DImode. Split to DImode comparison operator.
2704 Use SImode subreg of scratch register in the multiplication.
2705 (*cmp_sadd_sidi): Ditto.
2706 (*cmp_ssub_si): Ditto.
2707 (*cmp_ssub_sidi): Ditto.
2709 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2712 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2713 Remove invalid assert and wrong comment.
2715 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2718 * flags.h (final_insns_dump_p): New extern.
2719 * final.c (final_insns_dump_p): New variable.
2720 (rest_of_clean_state): Set it before -fdump-final-insns=
2721 dumping, clear afterwards.
2722 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2723 MEM_ALIAS_SET on MEMs.
2725 2010-03-26 David S. Miller <davem@davemloft.net>
2727 * configure.ac: Fix sparc GOTDATA_OP bug check.
2728 * configure: Rebuild.
2730 2010-03-26 Alan Modra <amodra@gmail.com>
2732 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2734 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2736 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2737 TLS_SECTION_ASM_FLAG.
2739 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2742 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2743 Clear first_function_block_is_cold.
2746 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2747 argument if the argument is truth_value_p.
2749 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2751 * config/rs6000/constraints.md: Update copyright year for my changes.
2754 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2755 used in reg+reg addressing, swap registers.
2757 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2760 * target.h (struct gcc_target): Add code_end hook.
2761 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2763 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2764 * toplev.c (compile_file): Call targetm.asm_out.code_end
2765 hook before unwind info/debug info output.
2766 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2767 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2768 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2769 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2770 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2771 * config/i386/i386.c (ix86_file_end): Renamed to...
2772 (ix86_code_end): ... this. Make static. Don't call
2773 file_end_indicate_exec_stack. Emit unwind info using
2774 final_start_function/final_end_function.
2775 (darwin_x86_file_end): Remove.
2776 (TARGET_ASM_CODE_END): Define.
2777 * config/i386/i386.h (TARGET_ASM_FILE_END,
2778 NEED_INDICATE_EXEC_STACK): Don't define.
2779 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2780 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2781 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2782 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2785 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2786 at the beginning and final_end_function at the end.
2787 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2789 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2791 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2792 and Sun as TLS syntax.
2793 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2794 * configure: Regenerate.
2795 * config.in: Regenerate.
2796 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2797 (default_elf_asm_named_section): Use it.
2798 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2799 (i386_output_dwarf_dtprel): Likewise.
2800 (output_addr_const_extra): Likewise.
2801 (output_pic_addr_const): Lowercase @GOTTPOFF.
2802 (output_addr_const_extra): Likewise.
2803 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2804 (output_addr_const_extra): Likewise.
2805 (output_pic_addr_const): Lowercase @INDNTPOFF.
2806 (output_addr_const_extra): Likewise.
2807 (output_pic_addr_const): Lowercase @NTPOFF.
2808 (output_addr_const_extra): Likewise.
2809 (output_pic_addr_const): Lowercase @TPOFF.
2810 (output_addr_const_extra): Likewise.
2811 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2812 (*tls_global_dynamic_64): Likewise.
2813 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2814 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2816 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2817 (ASM_OUTPUT_TLS_COMMON): Use it.
2818 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2821 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2822 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2823 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2824 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2825 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2826 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2828 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2830 * config/i386/i386.c (override_options): Don't accept
2831 -mtls-dialect=sun any longer.
2832 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2833 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2834 (*tls_local_dynamic_base_32_sun): Likewise.
2835 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2837 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2840 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2841 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2844 * ira.c (adjust_cleared_regs): New function.
2845 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2849 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2851 * expr.c (expand_expr_real): Restore previous
2852 curr_insn_source_location and curr_insn_block after
2853 expand_expr_real_1 call.
2854 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2855 instead of expand_expr_real_1.
2857 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2859 PR rtl-optimization/43413
2860 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2863 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2866 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2867 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2869 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2871 * config/i386/i386.c (ix86_target_string): Add -mfma.
2872 Fix a typo in comment.
2874 2010-03-22 Mike Stump <mikestump@comcast.net>
2877 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2878 Don't overly align based upon packed packed fields.
2880 2010-03-22 Jason Merrill <jason@redhat.com>
2882 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2883 Use () rather than [], and move before the element type.
2885 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2887 * doc/configfiles.texi (Configuration Files): Removed
2888 fixinc/Makefile*, intl/Makefile.*.
2889 * doc/makefile.texi: Fixed markup. Abstract from version
2890 control system used.
2891 (Makefile): Removed obsolete gcc/java/parse.y example.
2892 * doc/sourcebuild.texi: Likewise.
2893 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2894 libgomp, libssp. Removed fastjar.
2895 (Miscellaneous Docs): Clarify location.
2896 Added COPYING3, COPYING3.LIB.
2897 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2899 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2902 * config/i386/i386.c (x86_function_profiler)
2903 [!NO_PROFILE_COUNTERS]: Fix typo.
2904 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2907 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2908 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2910 * doc/sourcebuild.texi (Test Directives): Split into six
2911 subsections, with most of the current text in new subsections
2912 Directives, Selectors, and Final Actions.
2913 (Directives): Split list of test directives into multiple
2915 (Selectors): Describe use and syntax of selectors.
2916 (Effective-Target Keywords): Describe all existing keywords.
2917 (Add Options): Describe features for dg-add-options.
2918 (Require Support): Describe variants of dg-require-support.
2919 (Final Actions): Describe commands to use in dg-final.
2921 2010-03-22 Michael Matz <matz@suse.de>
2924 * recog.c (validate_replace_rtx_group): Replace also in
2925 REG_EQUAL and REG_EQUIV notes.
2927 2010-03-22 Richard Guenther <rguenther@suse.de>
2929 PR tree-optimization/43390
2930 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2931 sure vector extracts are type correct.
2933 2010-03-22 Richard Guenther <rguenther@suse.de>
2936 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2937 x * sqrt (x) even when optimizing for size if the target
2938 has native support for sqrt.
2940 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2942 * varasm.c (make_decl_rtl_for_debug): Also clear
2943 flag_mudflap for the duration of make_decl_rtl call.
2946 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2947 locs from preserved VALUEs.
2949 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2952 * pa.md (movmemsi): Set align to one if zero.
2953 (movmemdi): Likewise.
2955 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2958 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2959 with their corresponding prologue pushes.
2961 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2964 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2965 at the begining or end.
2966 (spu_expand_epilogue): Likewise.
2968 2010-03-20 Richard Guenther <rguenther@suse.de>
2970 PR rtl-optimization/43438
2971 * combine.c (make_extraction): Properly zero-/sign-extend an
2972 extraction of the low part of a CONST_INT. Also handle
2975 2010-03-19 Mike Stump <mikestump@comcast.net>
2977 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2978 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2979 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2981 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2984 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2987 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2989 PR rtl-optimization/42258
2990 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2991 use that may match DEF.
2994 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2995 the cost of loading the constant rather than assuming
2997 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2998 outer code is AND, do the same tests as the andsi3 expander and
2999 return COSTS_N_INSNS (1) if and is cheap.
3001 * optabs.c (avoid_expensive_constant): Fix formatting.
3003 2010-03-19 Michael Matz <matz@suse.de>
3006 * attribs.c (decl_attributes): When rebuilding a function pointer
3007 type use the same qualifiers as the original pointer type.
3009 2010-03-19 Martin Jambor <mjambor@suse.cz>
3011 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3012 and is_gimple_ip_invariant_address.
3014 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3017 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3019 * config/arm/arm.c (arm_override_options): Turn off
3020 flag_dwarf2_cfi_asm for AAPCS variants.
3022 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3025 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3026 Use PRE_MODIFY instead of PRE_DEC.
3027 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3028 (vfp_emit_fstmd): Likewise.
3030 2010-03-19 Michael Matz <matz@suse.de>
3033 * builtins.c (expand_builtin_interclass_mathfn,
3034 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3037 2010-03-19 Richard Guenther <rguenther@suse.de>
3039 PR tree-optimization/43415
3040 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3041 (phi_translate_1): ... this.
3042 (phi_translate): Move all caching here. Cache all NARY
3043 and REFERENCE translations.
3045 2010-03-19 David S. Miller <davem@davemloft.net>
3047 With help from Eric Botcazou.
3048 * config/sparc/sparc.c: Include dwarf2out.h.
3049 (emit_pic_helper): Delete.
3050 (pic_helper_symbol_name): Delete.
3051 (pic_helper_emitted_p): Delete.
3052 (pic_helper_needed): New.
3053 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3054 (get_pc_thunk_name): New.
3055 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3056 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3057 Set pic_helper_needed to true. Don't call emit_pic_helper.
3058 (sparc_expand_prologue): Update load_pic_register call.
3059 (sparc_output_mi_thunk): Likewise.
3060 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3061 thunk if possible. Output CFI information as needed.
3063 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3064 Jack Howarth <howarth@bromo.med.uc.edu>
3067 * config/i386/i386.h: Fix ABI on darwin x86-32.
3069 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3071 * tree.h: Declare make_decl_rtl_for_debug.
3072 * varasm.c (make_decl_rtl_for_debug): New.
3073 * dwarf2out.c (rtl_for_decl_location): Call it.
3074 * cfgexpand.c (expand_debug_expr): Call it.
3076 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3079 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3083 * var-tracking.c (vt_init_cfa_base): Do nothing if
3084 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3086 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3089 * var-tracking.c (canonicalize_vars_star): New.
3090 (dataflow_post_merge_adjust): Use it.
3092 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3095 * var-tracking.c (non_suitable_const): New function.
3096 (add_uses): For DEBUG_INSNs with constants, don't record any
3097 value, instead just the constant value itself.
3098 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3099 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3100 (emit_notes_in_bb): Likewise.
3101 (emit_note_insn_var_location): For onepart variables if
3102 cur_loc is a VOIDmode constant, use DECL_MODE.
3104 2010-03-18 Martin Jambor <mjambor@suse.cz>
3107 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3108 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3109 all non-clones. Moved call redirection...
3110 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3111 (cgraph_materialize_all_clones): Dispose of all
3112 combined_args_to_skip bitmaps.
3113 (verify_cgraph_node): Do not check for edges pointing to wrong
3114 nodes in inline clones.
3115 * tree-inline.c (copy_bb): Call
3116 cgraph_redirect_edge_call_stmt_to_callee.
3117 * ipa.c (cgraph_remove_unreachable_nodes): Call
3118 cgraph_node_remove_callees even when there are used clones.
3120 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3122 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3124 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3127 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3130 2010-03-18 Michael Matz <matz@suse.de>
3133 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3134 into sqrt(x) if we need to preserve signed zeros.
3136 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3137 Eric Botcazou <ebotcazou@adacore.com>
3139 PR rtl-optimization/43360
3140 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3141 note if we don't know its invariant status.
3143 2010-03-18 Michael Matz <matz@suse.de>
3145 PR tree-optimization/43402
3146 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3147 PHI chains of ssa names registered for update.
3149 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3152 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3153 non-offsettable and pre_modify update addressing.
3154 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3155 and "2" alternatives "#".
3156 (*movdd_softfloat32): Make all alternatives "#";
3157 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3158 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3159 (*movdf_softfloat32): Make all alternatives "#";
3160 (movdi): Use the new DIFD mode iterator to create a common splitter
3161 for movdi, movdf and movdd patterns.
3163 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3165 * common.opt (dumpdir): Remove redundant tab.
3167 2010-03-17 Martin Jambor <mjambor@suse.cz>
3169 PR tree-optimization/43347
3170 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3171 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3173 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3175 PR rtl-optimization/42216
3176 * regrename.c (create_new_chain): New function, broken out from...
3177 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3178 appending a use to an empty chain.
3179 (build_def_use): Remove previous changes that convert OP_INOUT to
3180 OP_OUT operands; instead detect the case where an OP_INOUT operand
3181 uses a previously untracked register and create an empty chain for it.
3183 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3185 * doc/extend.texi (Function Attributes): Rewrite unfinished
3186 sentence in ms_abi documentation.
3188 2010-03-17 Alan Modra <amodra@gmail.com>
3190 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3191 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3192 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3193 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3195 2010-03-16 Richard Henderson <rth@redhat.com>
3198 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3199 (lower_try_finally): Save and restore eh_seq around the expansion
3202 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3204 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3205 statements before splitting block.
3207 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3209 * doc/sourcebuild.texi (Testsuites): Fix markup.
3210 Use pathnames relative to gcc/testsuite.
3211 (Test Directives): Move description of how timeout is determined.
3212 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3213 (C Tests): Correct gcc.misc-tests directory.
3214 Framework tests now live in gcc.test-framework.
3216 2010-03-16 Richard Guenther <rguenther@suse.de>
3219 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3220 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3222 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3223 Alexandre Oliva <aoliva@redhat.com>
3225 PR tree-optimization/42917
3226 * lambda-code.c (remove_iv): Skip debug statements.
3227 (lambda_loopnest_to_gcc_loopnest): Likewise.
3228 (not_interesting_stmt): Debug statements are not interesting.
3230 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3234 * cselib.c (cselib_preserve_constants,
3235 cfa_base_preserved_val): New static variables.
3236 (preserve_only_constants): New function.
3237 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3238 clear its REG_VALUES. If cselib_preserve_constants, don't
3239 empty the whole hash table, but preserve there VALUEs with constants,
3240 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3241 (cselib_preserve_cfa_base_value): New function.
3242 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3243 (cselib_init): Change argument to int bitfield. Set
3244 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3246 (cselib_finish): Clear cselib_preserve_constants and
3247 cfa_base_preserved_val.
3248 * cselib.h (enum cselib_record_what): New enum.
3249 (cselib_init): Change argument to int.
3250 (cselib_preserve_cfa_base_value): New prototype.
3251 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3252 * dse.c (dse_step1): Likewise.
3253 * cfgcleanup.c (thread_jump): Likewise.
3254 * sched-deps.c (sched_analyze): Likewise.
3255 * gcse.c (local_cprop_pass): Likewise.
3256 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3257 If FN is non-NULL, call the callback always and whenever it returns
3258 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3259 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3260 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3261 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3262 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3263 * var-tracking.c: Include recog.h.
3264 (bb_stack_adjust_offset): Remove.
3265 (vt_stack_adjustments): Don't call it, instead just gather the
3266 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3267 (adjust_stack_reference): Remove.
3268 (compute_cfa_pointer): New function.
3269 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3270 (struct adjust_mem_data): New type.
3271 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3273 (get_address_mode): New function.
3274 (replace_expr_with_values): Use it.
3275 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3276 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3277 (adjust_sets): Remove.
3278 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3279 Use get_address_mode.
3280 (get_adjusted_src): Remove.
3281 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3282 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3283 (add_with_sets): Don't call adjust_sets.
3284 (fp_setter, vt_init_cfa_base): New functions.
3285 (vt_initialize): Change return type to bool. Move most of pool etc.
3286 initialization to the beginning of the function from end. Pass
3287 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3288 If !frame_pointer_needed, call vt_stack_adjustment before mos
3289 vector is filled, call vt_init_cfa_base if argp/framep has been
3290 eliminated to sp. If frame_pointer_needed and argp/framep has
3291 been eliminated to hard frame pointer, set
3292 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3293 encountering fp setter in the prologue. For MO_ADJUST, call
3294 log_op_type before pusing the op into mos vector, not afterwards.
3295 Call adjust_insn before cselib_process_insn/add_with_sets,
3296 call cancel_changes (0) afterwards.
3297 (variable_tracking_main_1): Adjust for vt_initialize calling
3298 vt_stack_adjustments and returning whether it succeeded or not.
3300 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3302 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3305 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3307 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3309 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3310 drap_reg has not been set.
3312 2010-03-15 Michael Matz <matz@suse.de>
3315 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3316 use it to expand block copies.
3317 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3318 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3319 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3321 2010-03-15 Richard Guenther <rguenther@suse.de>
3323 PR tree-optimization/43367
3324 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3327 2010-03-15 Richard Guenther <rguenther@suse.de>
3329 PR tree-optimization/43317
3330 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3332 2010-03-15 Martin Jambor <mjambor@suse.cz>
3334 PR tree-optimization/43141
3335 * tree-sra.c (create_abstract_origin): New function.
3336 (modify_function): Call create_abstract_origin.
3338 2010-03-15 Chris Demetriou <cgd@google.com>
3340 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3343 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3346 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3347 call insert_out_of_ssa_copy for default definitions.
3349 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3351 * graphite-clast-to-gimple.c (my_long_long): Defined.
3352 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3353 * graphite-sese-to-poly.c (my_long_long): Defined.
3354 (scop_ivs_can_be_represented): Use it.
3356 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3358 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3359 graphite-max-bbs-per-function, and loop-block-tile-size.
3360 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3362 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3364 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3366 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3367 forward declaration.
3368 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3369 (add_upper_bounds_from_estimated_nit): New.
3370 (build_loop_iteration_domains): Use it.
3372 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3374 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3376 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3379 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3380 should be an INTEGER_CST. Also handle CASE_CONVERT.
3382 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3384 * graphite.c (graphite_initialize): To bound the number of bbs per
3385 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3386 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3387 * doc/invoke.texi: Document it.
3389 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3391 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3392 * graphite-sese-to-poly.h (build_poly_scop): Same.
3394 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3396 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3397 the number of parameters in the scop. Use as an upper bound
3398 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3399 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3400 * doc/invoke.texi: Document it.
3402 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3404 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3405 * doc/c-tree.texi: Remove.
3406 * doc/generic.texi: Merge c-tree.texi here.
3407 * doc/gccint.texi (Trees): Remove menu entry.
3408 (c-tree.texi): Remove @include.
3409 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3410 * doc/languages.texi (Reading RTL): Ditto.
3412 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3415 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3417 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3420 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3421 code added to work around reload clobbering CONST insns.
3423 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3425 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3426 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3427 (cselib_preserve_only_values): Remove retain argument, don't
3428 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3429 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3430 * var-tracking.c (micro_operation): Move insn field before union.
3431 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3432 (struct variable_tracking_info_def): Remove n_mos field, change
3433 mos into a vector of micro_operations.
3434 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3435 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3436 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3437 changing into a vector.
3438 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3439 come before all other uops generated by add_stores.
3440 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3442 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3443 a vector. Run just one pass over the bbs instead of separate counting
3444 and computation phase.
3445 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3448 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3449 into *nonlocalized_list vector.
3450 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3451 even if origin is non-NULL.
3452 (gen_variable_die): Likewise.
3453 (process_scope_var): Don't change origin.
3454 (gen_decl_die): Likewise.
3455 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3456 before adding new edges instead of after it, fix moving over
3459 2010-03-11 David S. Miller <davem@davemloft.net>
3461 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3463 * configure: Rebuild.
3465 2010-03-11 Martin Jambor <mjambor@suse.cz>
3467 PR tree-optimization/43257
3468 * tree.c (assign_assembler_name_if_neeeded): New function.
3469 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3471 * tree.h (assign_assembler_name_if_neeeded): Declare.
3472 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3473 the function if needed.
3475 2010-03-11 Chris Demetriou <cgd@google.com>
3477 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3478 include/stdint-gcc.h, and include/stdint.h world-readable.
3480 2010-03-11 Richard Guenther <rguenther@suse.de>
3482 PR tree-optimization/43255
3483 * tree-vrp.c (process_assert_insertions_for): Do not insert
3484 asserts for trivial conditions.
3486 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3488 PR tree-optimization/43280
3489 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3490 generation. Move calculation of size out of the if branch.
3491 (find_bswap): Modify compare number generation.
3493 2010-03-11 Richard Guenther <rguenther@suse.de>
3496 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3497 (input_gimple_stmt): Fixup handled component types during
3498 operand read. Also fix up decls in ADDR_EXPRs.
3500 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3502 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3503 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3505 2010-03-10 Jan Hubicka <jh@suse.cz>
3508 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3509 * varasm.c (get_variable_section): Don't do that here...
3510 (make_decl_rtl): ... and here.
3511 (do_assemble_alias): Produce decl RTL.
3512 (assemble_alias): Likewise.
3514 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3517 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3518 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3520 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3521 (based_loc_descr): Only express drap or vdrap regno based expressions
3522 using DW_OP_fbreg when not optimizing.
3523 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3524 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3525 REG_CFA_SET_VDRAP note.
3527 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3529 PR tree-optimization/43236
3530 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3531 error in calculation of base address in reverse iteration case.
3532 (generate_builtin): Take number of latch executions if the statement
3535 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3538 * tree-eh.c: Include pointer-set.h.
3539 (lower_eh_dispatch): Filter out duplicate case labels and
3540 remove the unneeded edge when the label is unused. Return
3541 true when some edges are removed.
3542 (execute_lower_eh_dispatch): When any lowering resulted in
3543 removing an edge, also delete unreachable blocks.
3545 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3548 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3549 UNSPEC_MACHOPIC_OFFSET.
3551 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3554 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3555 (m68k_delegitimize_address): New function.
3557 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3560 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3563 * var-tracking.c (adjust_sets): New function.
3564 (count_with_sets, add_with_sets): Use it.
3565 (get_adjusted_src): New inline function.
3566 (add_stores): Use it.
3569 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3570 call cselib_dummy_expand_value_rtx_cb instead of
3571 cselib_expand_value_rtx_cb.
3574 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3575 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3576 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3577 and .cfi_endproc around the pic thunks.
3578 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3579 all queued unwind info register saves are saved before the call.
3580 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3581 considered as sp-=4 for unwind info and the pop as sp+=4 which
3582 also clobbers dest, but doesn't actually restore it.
3585 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3586 RTX_FRAME_RELATED_P.
3588 2010-03-09 Jie Zhang <jie@codesourcery.com>
3590 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3591 whitespaces in output template.
3593 2010-03-09 Jie Zhang <jie@codesourcery.com>
3595 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3598 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3600 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3601 builtins.exp in a separate job.
3603 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3605 * graphite-sese-to-poly.c (add_param_constraints): Use
3606 lower_bound_in_type and upper_bound_in_type.
3608 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3610 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3611 instead of unsigned_type_node.
3613 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3614 Reza Yazdani <reza.yazdani@amd.com>
3617 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3618 on pointer type parameters.
3620 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3624 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3625 handle conversions from pointer to integers.
3626 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3627 induction variable, to be able to work with code generated by CLooG.
3628 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3629 (build_poly_scop): Bail out if we cannot codegen a loop.
3631 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3633 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3634 code generation with gloog_error.
3636 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3638 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3639 Call fold_convert on all the returned values.
3640 (expand_scalar_variables_expr): Pass to
3641 expand_scalar_variables_ssa_name the type of the resulting expression.
3643 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3645 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3646 ppl_min_for_le_pointset.
3647 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3648 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3650 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3652 * graphite-dependences.c (map_into_dep_poly): Removed.
3653 (dependence_polyhedron_1): Use combine_context_id_scat.
3655 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3657 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3658 (struct poly_bb): Same.
3659 (combine_context_id_scat): New.
3661 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3664 * sese.c (name_defined_in_loop_p): Return false for default
3667 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3669 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3670 and clean up the logic.
3672 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3674 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3677 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3679 * var-tracking.c (remove_cselib_value_chains): Define only for
3681 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3682 delete_slot_part, emit_notes_for_differences_1): Don't call
3683 remove_cselib_value_chains here.
3684 (set_slot_part, emit_notes_for_differences_2): Don't call
3685 add_cselib_value_chains here.
3686 (preserved_values): New vector.
3687 (preserve_value): New function.
3688 (add_uses, add_stores, vt_add_function_parameters): Use it
3689 instead of cselib_preserve_value.
3690 (changed_values_stack): New vector.
3691 (check_changed_vars_0): New function.
3692 (check_changed_vars_1, check_changed_vars_2): Use it.
3693 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3694 changed_values_stack VALUEs.
3695 (vt_emit_notes): For all preserved_values call
3696 add_cselib_value_chains. If ENABLE_CHECKING call
3697 remove_cselib_value_chains before verifying value_chains is empty.
3698 Initialize and free changed_values_stack.
3699 (vt_initialize): Initialize preserved_values.
3700 (vt_finalize): Free preserved_values.
3702 2010-03-08 Richard Guenther <rguenther@suse.de>
3704 PR tree-optimization/43269
3705 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3708 2010-03-08 Martin Jambor <mjambor@suse.cz>
3710 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3711 (ipa_is_param_called): Removed.
3712 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3713 (ipa_print_node_params): Do not print the called flag.
3714 (ipa_write_node_info): Do not stream the called flag.
3715 (ipa_read_node_info): Likewise.
3717 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3720 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3721 * cselib.c (struct expand_value_data): Add dummy field.
3722 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3724 (cselib_dummy_expand_value_rtx_cb): New function.
3725 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3727 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3728 * var-tracking.c: Include pointer-set.h.
3729 (variable): Change n_var_parts to char from int. Add
3730 cur_loc_changed and in_changed_variables fields.
3731 (variable_canonicalize): Remove.
3732 (shared_var_p): New inline function.
3733 (unshare_variable): Maintain cur_loc_changed and
3734 in_changed_variables fields. If var was in changed_variables,
3735 replace it there with new_var. Just copy cur_loc instead of
3736 resetting it to something else.
3737 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3738 (dataflow_set_union): Don't call variable_canonicalize.
3739 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3740 of their DEBUG_EXPR_TREE_DECLs.
3741 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3742 and in_changed_variables and cur_loc_changed is false.
3743 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3744 and cur_loc_changed. Don't update cur_loc here.
3745 (variable_merge_over_src): Don't call variable_canonicalize.
3746 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3747 removing loc that is equal to cur_loc, clear cur_loc,
3748 set cur_loc_changed and ensure variable_was_changed is called.
3749 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3750 compare pointers in cur_loc check, if it is equal to loc,
3751 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3752 (variable_different_p): Remove compare_current_location argument,
3753 don't compare cur_loc.
3754 (dataflow_set_different_1): Adjust variable_different_p caller.
3755 (variable_was_changed): If dv had some var in changed_variables
3756 already, reset in_changed_variables flag for it and propagate
3757 cur_loc_changed over to the new variable. On empty var
3758 always set cur_loc_changed. Set in_changed_variables on whatever
3759 var is added to changed_variables.
3760 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3761 Use shared_var_p. When removing loc that is equal to cur_loc,
3762 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3763 end, don't set it to something else, just call variable_was_changed.
3764 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3765 loc being removed, clear cur_loc and set cur_loc_changed.
3766 Set cur_loc_changed if all locations have been removed.
3767 (struct expand_loc_callback_data): New type.
3768 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3769 allocated. Always create SUBREGs if simplify_subreg failed.
3770 Prefer to use cur_loc, when that fails and still in
3771 changed_variables (and seen first time) recompute it. Set
3772 cur_loc_changed of variables which had to change cur_loc and
3773 compute elcd->cur_loc_changed if any of the subexpressions used
3774 had to change cur_loc.
3775 (vt_expand_loc): Adjust to pass arguments in
3776 expand_loc_callback_data structure.
3777 (vt_expand_loc_dummy): New function.
3778 (emitted_notes): New variable.
3779 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3780 that weren't used for any other decl in current
3781 emit_notes_for_changes call call vt_expand_loc_dummy to update
3782 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3783 first loc_chain location if NULL before. Always use just
3784 cur_loc instead of first loc_chain location. When cur_loc_changed
3785 is false, when not --enable-checking=rtl just don't emit any note.
3786 When rtl checking, compute the note and assert it is the same
3787 as previous note. Clear cur_loc_changed and in_changed_variables
3788 at the end before removing from changed_variables.
3789 (check_changed_vars_3): New function.
3790 (emit_notes_for_changes): Traverse changed_vars to call
3791 check_changed_vars_3 on each changed var.
3792 (emit_notes_for_differences_1): Clear cur_loc_changed and
3793 in_changed_variables. Recompute cur_loc of new_var.
3794 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3795 (vt_emit_notes): Initialize and destroy emitted_notes.
3797 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3799 PR rtl-optimization/42220
3800 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3801 Use verify_reg_tracked to determine if we should use OP_OUT rather
3803 (build_def_use): If we see an in-out operand for a register that we
3804 know nothing about, treat is an output if possible, fail the block if
3807 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3810 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3813 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3816 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3817 uses of relevant DEFs that are dead outside the loop too.
3819 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3821 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3823 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3825 * var-tracking.c (values_to_unmark): New variable.
3826 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3827 values_to_unmark vector. Moved body to...
3828 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3829 instead queue it into values_to_unmark vector.
3830 (vt_find_locations): Free values_to_unmark vector.
3832 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3834 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3835 (site.exp): Export them when plugins are enabled.
3837 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3840 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3842 (chrec_fold_multiply): Same.
3844 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3847 * c-decl.c (build_compound_literal): Return early if init is
3850 2010-03-04 Martin Jambor <mjambor@suse.cz>
3852 PR tree-optimization/43164
3853 PR tree-optimization/43191
3854 * tree-sra.c (type_consists_of_records_p): Reject records with
3855 zero-size bit-fields at the end.
3857 2010-03-04 Mike Stump <mikestump@comcast.net>
3859 * Makefile.in (TAGS): Remove *.y.
3861 2010-03-04 Richard Guenther <rguenther@suse.de>
3863 PR tree-optimization/40761
3864 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3866 (my_rev_post_order_compute): New function.
3867 (init_pre): Call it.
3869 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3872 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3873 decrease the cost of an IV candidate when the cost is infinite.
3875 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3877 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3878 Use '3DNow!' for the extension of that name, ensure normal space
3880 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3882 2010-03-03 Jeff Law <law@redhat.com>
3884 * PR middle-end/32693
3885 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3886 than gen_rtx_SUBREG.
3887 (extract_bit_field_1): Likewise.
3889 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3891 * doc/sourcebuild.texi (Test directives): Document that arguments
3892 include-opts and exclude-opts are now optional for dg-skip-if,
3893 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3895 2010-03-03 Jason Merrill <jason@redhat.com>
3898 * cgraph.h (varpool_node): Add extra_name field.
3899 * varpool.c (varpool_extra_name_alias): New.
3900 (varpool_assemble_decl): Emit extra name aliases.
3901 (varpool_mark_needed_node): Look past an extra name alias.
3902 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3903 * lto-streamer-in.c (lto_input_tree): Read it.
3904 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3906 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3908 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3909 (sparc*-*-solaris2*): ...this.
3911 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3914 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3915 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3916 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3917 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3920 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3921 fallthrough to default handling, just with want_address 0 instead of 2.
3922 For single element lists, add_AT_loc directly, otherwise create an
3923 artificial variable DIE and stick location list to it.
3926 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3927 (VAL_EXPR_HAS_REVERSE): Define.
3928 (reverse_op): New function.
3929 (add_stores): For reversible operations add an extra MO_VAL_USE.
3931 2010-03-02 Jason Merrill <jason@redhat.com>
3933 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3935 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3937 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3938 (sparc64-*-linux*): Likewise.
3939 (sparc64-*-solaris2*): Include assembler files before linker ones.
3940 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3941 * config/sparc/gas.h: Delete.
3942 * config/sparc/sol2-64.h: Add copyright notice.
3943 * config/sparc/sol2-gas-bi.h: Likewise.
3944 * config/sparc/sol2-gld.h: Likewise.
3945 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3946 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3947 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3948 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3949 (sparc_elf_asm_named_section): Rename into...
3950 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3952 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3954 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3956 2010-03-02 Jeff Law <law@redhat.com>
3959 * reload1.c (rtx_p, substitute_stack): Declare.
3960 (substitute): Record addresses of changed rtxs.
3961 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3962 Restore the original rtx when complete.
3963 (reload): Free subsitute_stack when complete.
3965 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3967 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3968 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3970 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3971 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3972 Torture Tests): Change from subsection to section.
3974 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3975 Steven Bosscher <steven@gcc.gnu.org>
3977 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3980 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3983 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3984 the assignment from the new induction variable to the assignment
3985 of the value from the original loop PHI function.
3987 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3988 Daniel Jacobowitz <dan@codesourcery.com>
3990 * doc/sourcebuild.texi (Test directives): Clarify options to
3993 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3995 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3996 Disable cfi directives unless GCC and gas agree on using read-only
3997 .eh_frame sections for 64-bit.
3998 * configure: Regenerate.
4000 2010-03-01 Richard Guenther <rguenther@suse.de>
4002 PR tree-optimization/43220
4003 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4004 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4006 2010-03-01 Richard Guenther <rguenther@suse.de>
4007 Martin Jambor <mjambor@suse.cz>
4010 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4011 gimplified parameters.
4013 2010-03-01 Christian Bruel <christian.bruel@st.com>
4015 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4017 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4019 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4021 2010-03-01 Richard Guenther <rguenther@suse.de>
4024 * expr.c (expand_assignment): Use the alias-oracle to tell
4025 if the rhs aliases the result decl.
4027 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4030 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4031 to sol_gt_pch_get_address.
4032 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4033 64-bit, SPARC and x86.
4034 (sol_gt_pch_get_address): New function.
4036 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4038 * toplev.h (inform_n, error_n): Declare.
4039 * diagnostic.c (inform_n, error_n): New function.
4041 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4043 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4044 has no rtl yet when processing local_decls, queue it and recheck
4045 if deferred stack allocation hasn't assigned it rtl.
4047 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4049 * config/sh/sh.c (unspec_bbr_uid): New.
4050 (gen_block_redirect): Use it instead of INSN_UID.
4051 (gen_far_branch): Likewise.
4053 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4055 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4056 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4058 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4060 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4061 (Warning Options): -Wno-conversion-null is valid for
4062 Objective-C++ as well.
4063 * doc/tm.texi (Named Address Spaces): Likewise.
4064 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4065 * doc/tree-ssa.texi (Tree SSA): Likewise.
4067 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4070 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4071 by default. Don't set the default arch for
4072 i[34567]86-*-darwin*|x86_64-*-darwin*.
4074 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4077 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4078 default. Set the default 32bit/64bit archs with $with_arch
4079 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4081 2010-02-27 Richard Guenther <rguenther@suse.de>
4083 PR tree-optimization/43186
4084 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4085 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4086 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4087 unroller iterations.
4089 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4091 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4092 required and i[34567]86-*-* targets don't support 64bit ISA.
4094 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4097 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4100 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4102 * config.gcc: Set the default arch at least to Prescott for
4103 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4104 if SSE math is enabled.
4106 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4108 * diagnostic.c (diagnostic_initialize): Update.
4109 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4111 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4112 (diagnostic_inhibit_notes): New.
4113 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4115 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4118 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4119 * doc/standards.texi: Likewise.
4120 * doc/extend.texi: Likewise.
4121 * doc/trouble.texi: Likewise.
4122 * doc/cppopts.texi: Likewise.
4123 * doc/install.texi: Likewise.
4124 * c.opt (std=c90,std=gnu90): New options.
4125 * c-opts.c (c_common_handle_option): Handle them.
4127 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4130 * c-decl.c (undeclared_variable): Use an informative note.
4132 2010-02-26 Richard Guenther <rguenther@suse.de>
4134 PR tree-optimization/43186
4135 * gimple.h (gimple_fold): Remove.
4136 * gimple.c (gimple_fold): Remove. Inline into single user ...
4137 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4138 Try harder for conditions.
4140 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4143 * function.c (used_types_insert): Don't skip through named pointer
4144 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4145 and it is different from the main variant's type.
4147 2010-02-26 Nick Clifton <nickc@redhat.com>
4149 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4151 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4153 * config.gcc: Support --with-fpmath=sse for x86.
4155 * config/i386/ssemath.h: New.
4157 * doc/install.texi (--with-fpmath=sse): Documented.
4159 2010-02-26 Richard Guenther <rguenther@suse.de>
4161 PR tree-optimization/43188
4162 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4163 vector types of over-aligned element type.
4165 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4168 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4169 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4171 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4173 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4175 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4177 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4178 * var-tracking.c: Include diagnostic.h.
4179 (debug_dv): New function.
4180 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4183 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4184 (add_value_chain, add_value_chains, remove_value_chain,
4185 remove_value_chains): Handle DEBUG_EXPRs.
4186 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4189 * regcprop.c (struct queued_debug_insn_change): New type.
4190 (struct value_data_entry): Add debug_insn_changes field.
4191 (struct value_data): Add n_debug_insn_changes field.
4192 (debug_insn_changes_pool): New variable.
4193 (free_debug_insn_changes, apply_debug_insn_changes,
4194 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4195 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4196 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4198 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4200 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4201 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4202 changes, call cprop_find_used_regs via note_stores.
4203 (copyprop_hardreg_forward): When copying vd from predecessor
4204 which has any queued DEBUG_INSN changes, make sure the pointers are
4205 cleared. At the end call df_analyze and then if there are any
4206 DEBUG_INSN changes queued at the end of some basic block for still
4207 live registers, apply them.
4208 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4210 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4212 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4215 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4217 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4218 targets. Set the default with_cpu/with_arch from arch/cpu.
4219 Allow x86-64 and native for with_cpu/with_arch.
4221 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4223 * ebitmap.c: Change calls to verify_popcount with calls to
4224 sbitmap_verify_popcount.
4225 (ebitmap_clear_bit): Fixed map->cacheindex test and
4226 map>cache update when bit clearing results in an empty
4229 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4232 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4233 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4234 and support both V2DF and V2DI modes.
4235 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4236 support both V2DF and V2DI modes.
4237 (general): Delete trailing whitespace from a few patterns.
4239 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4240 V2DF/V2DI interleave high/low builtins.
4242 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4245 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4246 interleave high/low functions.
4248 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4250 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4251 #pragma extern_prefix.
4253 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4256 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4257 BLKmode, assert op0 is a MEM and just adjust its mode.
4260 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4261 if bitpos isn't multiple of mode's bitsize.
4263 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4265 * c.opt (-ftemplate-depth=): New.
4266 (-ftemplate-depth-): Deprecate.
4267 * optc-gen.awk: Handle -ftemplate-depth=.
4268 * opth-gen.awk: Likewise.
4269 * c-opts.c (c_common_handle_option): Likewise.
4270 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4272 2010-02-24 Jason Merrill <jason@redhat.com>
4274 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4276 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4278 * cfg.c (alloc_aux_for_block): Remove inline.
4279 (alloc_aux_for_edge): Likewise.
4281 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4283 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4285 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4287 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4288 * config/i386/sol2-gas.h: New file.
4289 * config.gcc (i[34567]86-*-solaris2*): Use it.
4291 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4294 * c-typeck.c (ep_convert_and_check): New.
4295 (build_conditional_expr): Use it.
4296 (build_binary_op): Likewise.
4298 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4300 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4303 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4304 bounds even for -O+.
4305 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4306 expr needs to have DECL_NAME set.
4308 2010-02-24 Nick Clifton <nickc@redhat.com>
4310 * config/mep/mep.c: Include gimple.h.
4311 (mep_function_uses_sp): Delete unused function.
4312 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4313 parameters. Use unsigned integers to count args. Return a
4314 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4316 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4319 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4320 greater or equal to nelt instead of 2 * nelt.
4321 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4324 2010-02-23 Jason Merrill <jason@redhat.com>
4327 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4328 in cfun->local_decls even if they have register types.
4331 * stor-layout.c (place_field): Don't warn about unnecessary
4332 DECL_PACKED if the type is packed.
4334 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4337 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4338 GOTOFF relocs, even when the base reg isn't pic pointer.
4340 2010-02-23 Michael Matz <matz@suse.de>
4343 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4344 (expand_gimple_basic_block): Generate and use debug temps if there
4345 are debug uses left after the last real use of TERed ssa names.
4346 Unlink debug immediate uses when they are expanded.
4348 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4351 * config/i386/i386.c (override_options): Reorganise to provide
4352 better error messages.
4354 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4357 * graphite-scop-detection.c (create_single_exit_edge): Move
4358 the call to find_single_exit_edge to....
4359 (create_sese_edges): ...here. Don't handle multiple edges
4360 exiting the function.
4361 (build_graphite_scops): Don't handle multiple edges
4362 exiting the function.
4364 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4367 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4368 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4370 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4373 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4375 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4378 * c-typeck.c (convert_arguments): Print declaration location.
4379 * c-common.c (validate_nargs): Rename as
4380 builtin_function_validate_nargs.
4381 (check_builtin_function_arguments): Update.
4383 2010-02-22 Richard Guenther <rguenther@suse.de>
4386 * tree-inline.c (declare_return_variable): Use the type of
4387 the call stmt lhs if available.
4389 2010-02-22 Duncan Sands <baldrick@free.fr>
4391 * passes.c (register_pass): Always consider all pass lists when
4392 ref_pass_instance_number is zero.
4394 2010-02-22 Richard Guenther <rguenther@suse.de>
4396 PR tree-optimization/42749
4397 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4398 parameter. Do arithmetic in the original type.
4399 (update_accumulator_with_ops): Likewise.
4400 (adjust_accumulator_values): Adjust.
4402 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4404 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4405 (QI to BLKmode splitter): New splitter.
4407 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4409 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4410 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4412 2010-02-22 Richard Guenther <rguenther@suse.de>
4414 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4416 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4418 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4419 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4420 ($(T)crti.o, $(T)crtn.o): Remove rules.
4422 2010-02-21 Tobias Burnus <burnus@net-b.de>
4425 * doc/invoke.texi (-fassociative-math): Document that this
4426 option is automatically enabled for Fortran.
4428 2010-02-20 David S. Miller <davem@davemloft.net>
4430 * configure.ac: Test if linker and assembler properly support
4431 GOTDATA_OP relocations.
4432 * configure: Rebuild.
4433 * config.in: Likewise.
4434 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4435 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4436 (movsi_high_pic): Likewise.
4437 (movdi_lo_sum_pic): Likewise.
4438 (movdi_high_pic): Likewise.
4439 (movsi_pic_gotdata_op): New pattern.
4440 (movdi_pic_gotdata_op): Likewise.
4441 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4442 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4444 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4447 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4448 attribute to ssemul.
4449 (xop_mulv2div2di3_high): Ditto.
4451 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4454 * c.opt (Wconversion-null): New option.
4455 * doc/invoke.texi (Wconversion-null): Document.
4457 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4459 * common.opt (Wlarger-than-): Add Undocumented.
4461 2010-02-19 Mike Stump <mikestump@comcast.net>
4463 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4465 2010-02-19 Jason Merrill <jason@redhat.com>
4468 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4469 * configure: Likewise.
4471 2010-02-20 Alan Modra <amodra@gmail.com>
4474 * cgraph.h (cgraph_make_decl_local): Declare.
4475 * cgraph.c (cgraph_make_decl_local): New function.
4476 (cgraph_make_node_local): Use it.
4477 * cgraphunit.c (cgraph_function_versioning): Likewise.
4478 * ipa.c (function_and_variable_visibility): Likewise.
4480 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4483 * except.c (sjlj_emit_function_enter): Don't call
4484 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4486 * rtl.h (add_reg_br_prob_note): Remove prototype.
4488 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4491 * c-common.c (conversion_warning): Remove widening conversions
4492 before checking the conversion of integers to reals.
4494 2010-02-19 Mike Stump <mikestump@comcast.net>
4497 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4500 * cgraphunit.c (process_function_and_variable_attributes): Check
4501 DECL_PRESERVE_P instead of looking up attribute "used".
4502 * ipa-pure-const.c (check_decl): Likewise.
4503 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4504 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4505 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4506 instead of attribute "used".
4507 * config/sol2-c.c (solaris_pragma_init): Likewise.
4508 (solaris_pragma_fini): Likewise.
4510 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4512 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4513 Use XCNEW instead of xcalloc.
4514 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4515 XNEW instead of xmalloc.
4516 (get_fields): Use XNEWVEC instead of xmalloc.
4519 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4520 populate vars array.
4521 (create_new_general_access): For debug stmts just reset value.
4522 (get_stmt_accesses): For accesses within debug stmts just record them
4523 using add_access_to_acc_sites instead of preventing the peeling or
4524 counting them as accesses.
4527 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4529 2010-02-19 Richard Guenther <rguenther@suse.de>
4531 PR tree-optimization/42916
4532 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4535 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4537 * configure.ac: Replace all uses of changequote in macro arguments
4538 with proper quoting.
4540 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4543 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4545 2010-02-19 Richard Guenther <rguenther@suse.de>
4547 PR tree-optimization/42944
4548 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4549 test for aliasing with errno.
4551 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4554 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4555 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4556 * dojump.c: Include output.h.
4557 (inv): New inline function.
4558 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4559 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4560 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4561 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4562 argument, pass it down to other calls.
4563 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4564 add REG_BR_PROB note to the conditional jump.
4565 * cfgexpand.c (add_reg_br_prob_note): Removed.
4566 (expand_gimple_cond): Don't call it, add the probability
4567 as last argument to jumpif_1/jumpifnot_1.
4568 * Makefile.in (dojump.o): Depend on output.h.
4569 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4571 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4572 * stmt.c (do_jump_if_equal): Likewise.
4573 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4574 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4575 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4577 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4578 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4579 jumpifnot_1 callers.
4580 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4582 (store_expr): Adjust jumpifnot caller.
4583 (store_constructor): Adjust jumpif caller.
4586 * gimplify.c (gimple_boolify): For __builtin_expect call
4587 gimple_boolify also on its first argument.
4589 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4591 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4593 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4594 * configure: Regenerated.
4596 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4598 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4599 lang_hooks.types_compatible_p instead of comptypes.
4601 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4603 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4604 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4605 if __prefer_thumb__ is defined.
4607 2010-02-18 Martin Jambor <mjambor@suse.cz>
4609 PR tree-optimization/43066
4610 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4611 array with zero-sized element type.
4613 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4615 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4616 rtx, allocate struct var_loc_node here and return it to the
4617 caller, and only if it is actually needed.
4618 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4619 move it earlier and return immediately if it returns NULL.
4621 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4623 * config/sparc/gas.h: New file. Restore
4624 TARGET_ASM_NAMED_SECTION to its ELF default.
4625 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4627 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4628 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4629 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4630 after sparc/sysv4.h.
4632 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4634 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4636 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4638 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4639 patterns from predicated pattern.
4641 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4644 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4645 for insn mnemonic suffix.
4647 2010-02-17 Richard Guenther <rguenther@suse.de>
4649 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4652 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4655 * caller-save.c (save_call_clobbered_regs): If BB ends with
4656 a DEBUG_INSN, move any notes in between last real insn and the last
4657 DEBUG_INSN after the last DEBUG_INSN.
4659 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4661 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4662 Fix return type. Fix argument type. Explain meaning of return value.
4664 2010-02-16 Richard Guenther <rguenther@suse.de>
4666 PR tree-optimization/41043
4667 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4668 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4670 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4672 2010-02-16 Ira Rosen <irar@il.ibm.com>
4674 PR tree-optimization/43074
4675 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4676 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4677 vectorizable cycles in hybrid SLP check.
4678 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4680 2010-02-16 Richard Guenther <rguenther@suse.de>
4682 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4683 (true_dependence): If memrefs_conflict_p computes must-alias
4684 trust it. Move TBAA check after offset-based disambiguation.
4685 (canon_true_dependence): Likewise.
4687 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4689 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4690 * doc/invoke.texi: Document it.
4691 * var-tracking.c: Include toplev.h and params.h.
4692 (vt_find_locations): Return bool indicating success. Compute
4693 hash sizes unconditionally. Check new parameter, report.
4694 (variable_tracking_main_1): Check vt_find_locations results and
4695 retry. Renamed from...
4696 (variable_tracking_main): ... this. New wrapper to preserve
4697 flag_var_tracking_assignments.
4698 * Makefile.in (var-tracking.o): Adjust dependencies.
4700 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4701 Jakub Jelinek <jakub@redhat.com>
4704 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4705 if weak_import attribute is present.
4706 * config/darwin.c (machopic_select_section): Likewise.
4708 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4710 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4711 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4712 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4713 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4715 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
4718 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4721 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4722 Rewrite text to refer to the names.
4724 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4726 * config/i386/i386-builtin-types.def
4727 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4728 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4729 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4730 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4731 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4732 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4733 IX86_BUILTIN_VPERMIL2PS256.
4734 (MULTI_ARG_4_DF2_DI_I): Defined.
4735 (MULTI_ARG_4_DF2_DI_I1): Defined.
4736 (MULTI_ARG_4_SF2_SI_I): Defined.
4737 (MULTI_ARG_4_SF2_SI_I1): Defined.
4738 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4739 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4740 __builtin_ia32_vpermil2ps256.
4741 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4742 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4743 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4744 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4745 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4746 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4747 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4748 CODE_FOR_xop_vpermil2v8sf3.
4749 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4750 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4751 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4752 (_mm256_permute2_pd): New.
4753 (_mm_permute2_ps): New.
4754 (_mm256_permute2_ps): New.
4756 2010-02-15 Nick Clifton <nickc@redhat.com>
4758 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4759 boolean parameters. Use emit_jump_insn when emitting a pop
4760 instruction containing a return insn.
4761 (push): Use 'true' rather than '1' as second parameter to F.
4762 (h8300_expand_prologue): Likewise.
4763 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4764 (h8300_expand_epilogue): Likewise.
4766 2010-02-15 Richard Guenther <rguenther@suse.de>
4769 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4772 2010-02-15 Nick Clifton <nickc@redhat.com>
4774 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4777 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4779 * intl.c (fake_ngettext): New function.
4780 * intl.h (fake_ngettext): Declare.
4781 (ngettext): Define macro.
4782 * collect2.c (notice_translated): New function.
4783 (main): Use notice_translated and ngettext.
4784 * collect2.h (notice_translated): Declare.
4786 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4788 * reorg.c (delete_computation): Comment fixes.
4789 * caller-save.c (setup_save_areas): Idem.
4790 * sel-sched-dump.c (dump_lv_set): Idem.
4793 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4795 * config/s390/s390.c (s390_sched_init): New function.
4796 (TARGET_SCHED_INIT): Target hook defined.
4798 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4799 Jack Howarth <howarth@bromo.med.uc.edu>
4800 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4803 Partial revert of unintended change in fix for PR41605.
4804 * config/darwin.h: Fix typo.
4805 * config/darwin9.h: Same.
4807 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4809 * c-pch.c (pch_init): Clear v.
4811 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4814 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4815 graphite_can_represent_init for MULT_EXPR.
4817 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4821 * graphite-sese-to-poly.c (remove_phi): New.
4822 (translate_scalar_reduction_to_array): Call remove_phi.
4824 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4827 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4828 * graphite-clast-to-gimple.h (gloog): Update declaration.
4829 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4830 * graphite-poly.h (struct poly_bb): Add missing comments.
4831 (struct scop): Add poly_scop_p field.
4833 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4834 * graphite.c (graphite_transform_loops): Build the polyhedral
4835 representation for each scop before code generation.
4836 * sese.c (rename_variables_in_operand): Removed.
4837 (rename_variables_in_expr): Return the renamed expression.
4838 (rename_sese_parameters): New.
4839 * sese.h (rename_sese_parameters): Declared.
4841 2010-02-11 Richard Guenther <rguenther@suse.de>
4843 PR tree-optimization/42998
4844 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4845 POINTER_PLUS_EXPR properly.
4847 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4848 Changpeng Fang <changpeng.fang@amd.com>
4851 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4852 the cost of an IV candidate when the IV is used in a test against zero.
4854 * gcc.dg/tree-ssa/ivopts-3.c: New.
4856 2010-02-11 Richard Guenther <rguenther@suse.de>
4859 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4860 pointer-vs-decl case by swapping refs. Handle some cases
4861 of pointer-vs-decl disambiguations more conservatively.
4862 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4863 to false after expanding.
4865 2010-02-11 Richard Guenther <rguenther@suse.de>
4868 * gcc.c (process_command): Handle LTO file@offset case more
4871 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4873 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4874 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4876 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4878 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4879 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4880 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4881 Optimize eq/ne comparisons when both arguments are known to be
4883 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4884 Don't mask operands unnecessarily if they are known to be already
4887 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4889 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4892 2010-02-10 Richard Guenther <rguenther@suse.de>
4894 PR tree-optimization/43017
4895 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4896 for wrapping signed arithmetic.
4898 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4901 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4902 if no debug info should be emitted for it.
4904 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4906 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4907 note when flag_exceptions is set.
4909 2010-02-10 Duncan Sands <baldrick@free.fr>
4911 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4913 2010-02-10 Richard Guenther <rguenther@suse.de>
4916 * tree.c (get_unwidened): Handle constants.
4917 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4919 2010-02-10 Martin Jambor <mjambor@suse.cz>
4922 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4923 check for variable argument counts independently.
4925 2010-02-10 Christian Bruel <christian.bruel@st.com>
4928 * config/sh/sh.c (find_barrier): Increase length for non delayed
4929 conditional branches.
4931 2010-02-10 Christian Bruel <christian.bruel@st.com>
4933 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4935 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4937 * builtins.c (set_builtin_user_assembler_name): Also handle
4938 ffs if int is smaller than word.
4940 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4943 * ira-conflicts.c (get_dup): Remove.
4944 (process_reg_shuffles): Add new parameter. Use it as an
4945 additional guard for copy generation.
4946 (add_insn_allocno_copies): Rewrite.
4948 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4950 * common.opt (fsched2-use-traces): Preserved for backward
4952 * doc/invoke.texi: Remove the documentation about option
4953 -fsched2-use-traces.
4954 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4955 flag_sched2_use_traces.
4956 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4957 the backward compatibility flag section.
4959 2010-02-09 Richard Guenther <rguenther@suse.de>
4961 PR tree-optimization/43008
4962 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4963 make HEAP variables initialized from global memory if they
4964 are not known builtin functions.
4965 (find_func_aliases): Adjust.
4967 2010-02-09 Richard Guenther <rguenther@suse.de>
4969 PR tree-optimization/43000
4970 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4971 arithmetic manually.
4973 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4975 PR tree-optimization/42931
4976 * tree-loop-linear.c (try_interchange_loops): Don't call
4977 double_int_mul if estimated_loop_iterations failed.
4979 2010-02-08 Martin Jambor <mjambor@suse.cz>
4982 * tree-sra.c (build_accesses_from_assign): Do not mark in
4983 should_scalarize_away_bitmap if stmt has volatile ops.
4984 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4987 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4989 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4991 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4993 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4996 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4999 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5001 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5004 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5005 to unknown_dependence.
5006 (graphite_legal_transform_dr): Handle the unknown_dependence.
5007 (graphite_carried_dependence_level_k): Same.
5009 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5011 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5013 2010-02-07 Richard Guenther <rguenther@suse.de>
5016 * expr.c (get_inner_reference): Always initialize *pbitsize.
5018 2010-02-07 Richard Guenther <rguenther@suse.de>
5021 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5022 new ARRAY_REFs on variable size element or minimal index arrays.
5024 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5025 gimple_fold_indirect_ref.
5027 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5030 * arm.c (arm_override_options): Just return if the user has specified
5031 an invalid fpu name.
5033 2010-02-03 Jason Merrill <jason@redhat.com>
5036 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5037 i386_pe_maybe_record_exported_symbol.
5039 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5042 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5043 (pa_delegitimize_address): New function.
5045 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5047 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5048 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5050 2010-02-05 Richard Guenther <rguenther@suse.de>
5053 * lto-streamer-in.c (get_resolution): Deal with references
5054 to undefined functions.
5056 2010-02-05 Richard Guenther <rguenther@suse.de>
5058 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5059 (fold_const_aggregate_ref): Likewise.
5060 (ccp_fold_stmt): Substitute loads.
5061 (maybe_fold_reference): Verify types before substituting.
5063 (fold_gimple_assign): Unshare properly.
5064 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5066 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5068 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5069 for rs6000_gen_cell_microcode.
5071 2010-02-04 Richard Guenther <rguenther@suse.de>
5073 PR rtl-optimization/42952
5074 * dse.c (const_or_frame_p): Remove MEM handling.
5076 2010-02-04 Nick Clifton <nickc@redhat.com>
5078 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5079 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5080 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5081 (mn10300_asm_output_mi_thunk): New function.
5082 (mn10300_can_output_mu_thunk): New function.
5083 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5084 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5085 (FUNCTION_ARG): Delete incorrect comment.
5087 2010-02-03 Jason Merrill <jason@redhat.com>
5090 * fold-const.c (operand_equal_p): Handle erroneous types.
5092 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5094 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5096 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5098 PR rtl-optimization/42941
5099 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5102 2010-02-03 Jason Merrill <jason@redhat.com>
5105 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5107 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5110 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5111 (cselib_reset_table): Renamed from...
5112 (cselib_reset_table_with_next_value): ... this.
5113 (cselib_get_next_uid): Renamed from...
5114 (cselib_get_next_unknown_value): ... this.
5115 * cselib.c (next_uid): Renamed from...
5116 (next_unknown_value): ... this.
5117 (cselib_clear_table): Adjust.
5118 (cselib_reset_table): Adjust. Renamed from...
5119 (cselib_reset_table_with_next_value): ... this.
5120 (cselib_get_next_uid): Adjust. Renamed from...
5121 (cselib_get_next_unknown_value): ... this.
5122 (get_value_hash): Use hash.
5123 (cselib_hash_rtx): Likewise.
5124 (new_cselib_val): Adjust. Set and dump uid.
5125 (cselib_lookup_mem): Pass next_uid as hash.
5126 (cselib_subst_to_values): Likewise.
5127 (cselib_log_lookup): Dump uid.
5128 (cselib_lookup): Pass next_uid as hash. Adjust.
5129 (cselib_process_insn): Adjust.
5130 (cselib_init): Initialize next_uid.
5131 (cselib_finish): Adjust.
5132 (dump_cselib_table): Likewise.
5133 * dse.c (canon_address): Dump value uid.
5134 * print-rtl.c (print_rtx): Print value uid.
5135 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5137 (dv_uid): New function, sort of renamed from...
5138 (dv_htab_hash): ... this, reimplemented in terms of it and...
5139 (dv_uid2hash): ... this. New.
5140 (variable_htab_eq): Drop excess assertions.
5141 (tie_break_pointers): Removed.
5142 (canon_value_cmp): Compare uids.
5143 (variable_post_merge_New_vals): Print uids.
5144 (vt_add_function_parameters): Adjust.
5145 (vt_initialize): Reset table. Adjust.
5147 2010-02-03 Richard Guenther <rguenther@suse.de>
5149 PR tree-optimization/42944
5150 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5151 (call_may_clobber_ref_p_1): Likewise. Properly handle
5152 malloc and calloc clobbering errno.
5154 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5156 * doc/invoke.texi: Fix name of sched1 dump.
5158 * opts.c (decode_options): Set flag_tree_switch_conversion
5159 only conditionally on optimize >= 2.
5161 * gcse.c: Assorted comment fixes in pass description.
5163 2010-02-03 Anthony Green <green@moxielogic.com>
5165 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5166 nop padding in order to maintain alignment of storage location of
5167 target function address.
5168 (moxie_trampoline_init): Store target function address at newly
5170 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5172 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5174 2010-02-03 Richard Guenther <rguenther@suse.de>
5177 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5179 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5181 * config.gcc: Reenable check for obsolete targets.
5182 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5183 mips-sgi-irix6.[0-4]*.
5185 2010-02-02 Nick Clifton <nickc@redhat.com>
5187 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5188 constant size of 4 as being the same as 0.
5189 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5190 can take values in the range 0..4.
5192 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5195 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5196 as _darwin10_Unwind_FindEnclosingFunction().
5197 * libgcc-libsystem.ver: New.
5199 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5202 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5203 implicitly set registers.
5205 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5207 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5208 (arm_override_options): Allow automatic selection of the thread
5209 pointer register if thumb2.
5210 (legitimize_pic_address): Improve code sequences for Thumb2.
5211 (arm_call_tls_get_addr): Likewise.
5212 (legitimize_tls_address): Likewise.
5213 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5214 (pic_load_addr_32bit): ... this. New named pattern.
5215 * thumb2.md (pic_load_addr_thumb2): Delete.
5216 (pic_load_dot_plus_four): Delete.
5217 (tls_load_dot_plus_four): New named pattern.
5219 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5222 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5223 Document fix for TLS bug.
5225 2010-01-31 Richard Guenther <rguenther@suse.de>
5227 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5228 conservatively correct.
5230 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5234 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5236 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5238 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5240 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5242 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5244 * config.gcc: Adjust order of makefile fragments for mingw targets.
5246 2010-01-31 Richard Guenther <rguenther@suse.de>
5249 * gimplify.c (gimplify_init_constructor): For volatile LHS
5250 initialize a temporary.
5252 2010-01-31 Matthias Klose <doko@ubuntu.com>
5254 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5256 * configure: Regenerate.
5258 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5260 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5261 the same alias set and their sizes different constantness.
5262 (aliasing_component_refs_p): Revert 2009-10-24 change.
5264 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5266 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5269 2010-01-29 Richard Guenther <rguenther@suse.de>
5271 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5272 Assert we successfully updated the call.
5274 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5276 PR rtl-optimization/42889
5277 * df.h (df_set_bb_dirty_nonlr): New prototype.
5278 * df-core.c (df_set_bb_dirty_nonlr): New function.
5279 * df-scan.c (df_insn_rescan): Call it instead of
5280 df_set_bb_dirty for DEBUG_INSNs.
5282 2010-01-29 Richard Guenther <rguenther@suse.de>
5285 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5286 quadratic behavior in most cases.
5288 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5291 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5292 in the call to gen_x86_movsicc_0_m1.
5294 2010-01-28 Richard Guenther <rguenther@suse.de>
5296 PR tree-optimization/42871
5297 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5299 2010-01-28 Richard Guenther <rguenther@suse.de>
5301 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5302 into call arguments.
5304 2010-01-28 Richard Guenther <rguenther@suse.de>
5307 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5308 the forwarder if the destination is an EH landing pad.
5310 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5312 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5313 block list passed to gimple_duplicate_sese_tail.
5314 (parallelize_loops): Avoid parallelization when the function
5316 Avoid parallelization when the preheader is IRREDUCIBLE.
5317 Try to optimize when estimated_loop_iterations_int is unresolved.
5318 Add the loop's location to the dump file.
5319 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5320 (gimple_duplicate_sese_tail): Remove the check for the latch.
5321 Redirect nexits to the exit block.
5322 Remove handling of the incoming edges to the latch.
5323 Redirect the backedge from the copied latch to the exit bb.
5325 2010-01-28 Michael Matz <matz@suse.de>
5328 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5329 Wrap force_reg into a sequence, emit it before user.
5331 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5333 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5335 (arm_legacy_rev): Likewise.
5336 (thumb_legacy_rev): Likewise.
5338 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5340 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5341 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5342 on MEM's address failed, try avoid_constant_pool_reference and
5343 recurse if it returned something different.
5344 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5345 address, try avoid_constant_pool_reference and recurse if it
5346 returned something different.
5347 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5348 address and avoid_constant_pool_reference returned something
5349 different, don't set have_address.
5351 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5354 * var-tracking.c (val_store): Add modified argument, obey it.
5356 (count_uses): Move down logging of main.
5357 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5358 don't need resolution.
5359 (emit_notes_in_bb): Likewise.
5361 2010-01-27 Richard Guenther <rguenther@suse.de>
5364 * tree-inline.c (remap_decl): Delay remapping of SSA name
5365 default definitions until we need them.
5367 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5369 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5370 (rs6000_delegitimize_address): New function.
5372 * config/s390/s390.c (s390_delegitimize_address): Call
5373 delegitimize_mem_from_attrs.
5376 * tree-inline.c (cannot_copy_type_1): Removed.
5377 (copy_forbidden): Don't forbid copying of functions containing
5378 records/unions with variable length fields.
5380 2010-01-27 Christian Bruel <christian.bruel@st.com>
5384 * config/sh/sh.c (find_barrier): Increase length for non delayed
5385 conditional branches.
5387 2010-01-27 Matthias Klose <doko@ubuntu.com>
5389 * configure.ac (gnu-unique-object): Fix ldd version check.
5390 * configure: Regenerate.
5392 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5394 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5396 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5397 Test for HAVE_GNU_AS value.
5399 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5401 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5402 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5403 INT64_TYPE): Define.
5404 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5405 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5406 INT_LEAST64_TYPE): Define.
5407 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5408 UINT_LEAST64_TYPE): Define.
5409 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5410 INT_FAST64_TYPE): Define.
5411 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5412 UINT_FAST64_TYPE): Define.
5413 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5414 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5415 (SIG_ATOMIC_TYPE): Define.
5417 2010-01-26 Richard Guenther <rguenther@suse.de>
5419 * df-scan.c (df_scan_set_bb_info): Remove assert.
5420 (df_insn_rescan_debug_internal): Merge asserts.
5421 (df_install_ref): Likewise.
5422 (df_mark_reg): Use bitmap_set_range.
5423 (df_hard_reg_used_p): Remove assert.
5424 (df_hard_reg_used_count): Likewise.
5426 2010-01-26 Richard Guenther <rguenther@suse.de>
5428 PR rtl-optimization/42685
5429 * web.c (web_main): Ignore DEBUG_INSNs.
5431 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5433 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5435 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5436 Fix types of fndecl and arglist parameters.
5438 2010-01-26 Richard Guenther <rguenther@suse.de>
5441 * tree-eh.c (unsplit_eh): Skip debug insns.
5443 2010-01-26 Richard Guenther <rguenther@suse.de>
5445 PR tree-optimization/42250
5446 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5448 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5451 * omp-low.c (expand_omp_sections): Only use single_pred if
5452 l2_bb is single_pred_p.
5454 2010-01-25 Christian Bruel <christian.bruel@st.com>
5457 * config/sh/sh.c (find_barrier): Increase length for non delayed
5458 conditional branches.
5459 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5461 2010-01-24 David S. Miller <davem@davemloft.net>
5463 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5464 define if not using GAS.
5465 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5466 Likewise. Delete SECTION_MERGE code, which is only applicable
5469 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5472 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5473 mangling of va_list in system headers.
5475 2010-01-23 Toon Moene <toon@moene.org>
5477 * tree-predcom.c (combine_chains): Return NULL, not false.
5479 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5481 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5482 initialization of variable res to agree with return type.
5484 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5486 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5487 * tree-sra.c: Add include of expr.h.
5489 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5491 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5492 insert the debug stmt on the single non-EH edge from the stmt.
5494 2010-01-22 Richard Henderson <rth@redhat.com>
5497 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5498 the RHS until after generate_subtree_copies has insertted its
5499 code before the current statement.
5501 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5503 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5505 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5507 2010-01-21 Martin Jambor <mjambor@suse.cz>
5509 PR tree-optimization/42585
5510 * tree-sra.c (struct access): New field grp_total_scalarization.
5511 (dump_access): Dump the new field.
5512 (should_scalarize_away_bitmap): New variable.
5513 (cannot_scalarize_away_bitmap): Likewise.
5514 (sra_initialize): Allocate new bitmaps.
5515 (sra_deinitialize): Free new bitmaps.
5516 (create_access_1): New function.
5517 (create_access): Parts moved to create_access_1.
5518 (type_consists_of_records_p): New function.
5519 (completely_scalarize_record): Likewise.
5520 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5521 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5522 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5524 (analyze_all_variable_accesses): Completely scalarize small eligible
5527 2010-01-21 Martin Jambor <mjambor@suse.cz>
5529 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5531 2010-01-21 Andrew Haley <aph@redhat.com>
5533 * gcc.c (process_command): Move lang_specific_driver before
5534 setting cc_libexec_prefix.
5536 2010-01-21 Richard Guenther <rguenther@suse.de>
5539 * fold-const.c (negate_expr_p): Pretend only negative
5540 real constants are easily negatable.
5542 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5543 Jason Merrill <jason@redhat.com>
5545 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5546 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5547 * calls.c (initialize argument_information): Handle it.
5548 * c-common.c (handle_transparent_union_attribute): Use new name.
5549 * c-decl.c (finish_struct): Ditto.
5550 * c-typeck.c (type_lists_compatible_p): Ditto.
5551 (convert_for_assignment): Use new name and also handle record.
5552 * function.c (aggregate_value_p): Handle it.
5553 (pass_by_reference): Ditto.
5554 (assign_parm_data_types): Ditto.
5555 * print-tree.c (print_node): Ditto.
5556 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5557 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5558 * tree.c (first_field): New fn.
5560 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5563 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5564 even when linking statically, for now.
5566 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5569 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5570 without a cselib val.
5571 (count_uses): Accept MO_VAL_SET with no val on stores.
5572 (add_stores): Likewise.
5574 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5576 * var-tracking.c (check_value_val): Add a compile time assertion.
5577 (dv_is_decl_p): Simplify.
5578 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5579 gcc_assert if ENABLE_CHECKING.
5581 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5584 * var-tracking.c: Include tree-flow.h.
5585 (mem_dies_at_call): New.
5586 (dataflow_set_preserve_mem_locs): Use it.
5587 (dataflow_set_remove_mem_locs): Likewise.
5588 (dump_var): Renamed from dump_variable. Adjust all callers.
5589 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5590 * Makefile.in (var-tracking.o): Adjust deps.
5592 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5594 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5596 2010-01-20 Richard Guenther <rguenther@suse.de>
5598 PR tree-optimization/42717
5599 * tree-ssa-dce.c (get_live_post_dom): Remove.
5600 (forward_edge_to_pdom): Take an arbitrary edge to copy
5601 degenerate PHI args from.
5602 (remove_dead_stmt): Use the first post-dominator even if it
5603 does not contain live statements as redirection destination.
5605 2010-01-20 Richard Guenther <rguenther@suse.de>
5607 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5609 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5611 * sel-sched.c (create_speculation_check): Remove set but not used
5613 (try_transformation_cache): Remove set but not used variable ds.
5614 (calculate_privileged_insns): Remove set but not used variables
5615 cur_insn and min_spec_insn.
5616 (find_best_expr): Remove set but not used variable avail_n.
5617 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5619 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5621 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5622 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5625 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5628 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5629 cpu types. Add support for *-sse3 cpu types.
5630 (x86_64-*-*): Ditto.
5632 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5635 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5636 argument, call initializer_constant_valid_p_1 instead of
5637 initializer_constant_valid_p, pass CACHE to it, return NULL
5638 immediately if first call returns NULL.
5639 (initializer_constant_valid_p_1): New function.
5640 (initializer_constant_valid_p): Use it.
5642 2010-01-20 Thomas Quinot <quinot@adacore.com>
5644 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5646 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5648 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5649 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5650 (loc_list_from_tree): Don't handle unsigned division. Handle
5651 signed modulo using DW_OP_{over,over,div,mul,minus}.
5652 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5653 modulo instead of signed.
5655 2010-01-20 DJ Delorie <dj@redhat.com>
5657 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5659 (h8300_emit_stack_adjustment): Propogate it.
5661 (h8300_expand_prologue): Likewise.
5662 (h8300_expand_epilogue): Likewise.
5664 2010-01-19 Michael Matz <matz@suse.de>
5666 PR tree-optimization/41783
5667 * tree-data-ref.c (toplevel): Include flags.h.
5668 (dump_data_dependence_relation): Also dump the inputs if the
5669 result will be unknown.
5670 (split_constant_offset_1): Look through some conversions.
5671 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5672 the offset from last element is too large.
5673 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5674 (reassociate_to_the_same_stmt): Handle vector registers.
5675 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5677 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5678 wide_prolog_niters argument, emit widening instructions.
5679 (vect_do_peeling_for_alignment): Adjust caller, use widened
5680 variant of the iteration cound.
5681 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5683 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5686 * config/arm/neon-testgen.m (emit_automatics): New parameter
5687 features. Adjust for Fixed_return_reg feature.
5688 (test_intrinsic): Call emit_automatics with new feature.
5689 * config/arm/neon.ml: Update copyright years.
5690 (features): New Fixed_return_reg feature.
5691 (ops): Update feature for Vget_low.
5693 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5695 PR tree-optimization/42719
5696 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5700 * fwprop.c (all_uses_available_at): Return false if def_set dest
5701 is a REG that is used in def_insn.
5703 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5705 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5707 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5710 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5712 * target.h (struct gcc_target) <secondary_reload>: Change type
5713 of last argument to secondary_reload_info *.
5715 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5718 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5719 memory references with unaligned offsets. Remove CQImode handling.
5720 (unaligned_memory_operand): Return 1 for memory references with
5721 unaligned offsets. Remove CQImode handling.
5723 2010-01-18 Richard Guenther <rguenther@suse.de>
5726 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5729 2010-01-18 Richard Guenther <rguenther@suse.de>
5731 PR tree-optimization/42781
5732 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5733 restrict processing only if the original variable was artificial.
5735 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5737 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5738 find number of popped argument bytes.
5740 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5741 Fix the text that describes the return value for invalid insns.
5743 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5745 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5746 Clarify what 'cost of the -dependence' is. Fix quoting.
5748 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5749 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5751 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5753 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5754 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5756 2010-01-17 Richard Guenther <rguenther@suse.de>
5759 * function.c (split_complex_args): Take a VEC to modify.
5760 (assign_parms_augmented_arg_list): Build a VEC instead of
5761 a chain of PARM_DECLs.
5762 (assign_parms_unsplit_complex): Take a VEC of arguments.
5763 Do not fixup unmodified parms.
5764 (assign_parms): Deal with the VEC.
5765 (gimplify_parameters): Likewise.
5767 2010-01-17 Richard Guenther <rguenther@suse.de>
5769 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5770 node existence check.
5771 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5772 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5773 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5774 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5775 (gimple_execute_on_growing_pred): Likewise.
5777 2010-01-17 Richard Guenther <rguenther@suse.de>
5779 PR tree-optimization/42773
5780 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5781 (compute_antic_aux): Likewise.
5782 (compute_partial_antic_aux): Likewise.
5784 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5787 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5790 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5792 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5795 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5796 Fix markup for strict argument.
5798 (TARGET_SCHED_REORDER2): Fix argument types.
5800 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5801 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5803 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5804 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5806 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5809 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5810 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5811 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5812 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5813 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5815 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5817 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5819 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5820 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5822 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5824 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5827 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5829 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5830 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5832 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5834 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5836 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5837 referring to it. Fix language.
5839 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5841 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5843 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5845 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5847 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5848 '@var{stream}. Remove stray 'and'.
5850 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5852 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5854 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5856 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5857 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5859 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5860 Fix description of return value.
5861 Rename argument "sz" to "len."
5863 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5864 Clarify meaning of 'true' return value.
5866 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5868 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5869 rep_mode versus mode_rep.
5871 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5873 (TARGET_BUILTIN_DECL): Fix name.
5875 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5877 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5879 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5881 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5883 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5885 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5888 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5889 Rename argument tm_fn to md_fn.
5891 (TARGET_OPTION_PRINT): Fix argument list.
5893 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5896 * config/i386/i386.c (ix86_fixup_binary_operands):
5897 Revert FMA4 fixup of operands.
5899 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5902 * Makefile.in (write_entries_to_file, install-plugin):
5903 Use \012 instead of \n with tr.
5905 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5907 * configure.ac (HAVE_AS_REF): New C macro.
5908 * configure: Regenerate.
5909 * config.in: Likewise.
5910 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5912 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5915 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5917 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5919 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5921 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5923 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5925 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5927 (TARGET_BINDS_LOCAL_P): Fix argument type.
5929 (TARGET_ASM_FILE_END): Use prototype.
5931 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5933 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5935 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5937 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5939 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5940 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5942 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5943 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5945 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5946 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5947 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5948 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5950 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5952 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5954 (TARGET_INIT_BUILTINS): Use prototype.
5956 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5957 Put 'const char *' in braces. Fix parameter types.
5958 (TARGET_INVALID_CONVERSION): Fix parameter types.
5959 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5960 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5962 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5965 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5967 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5969 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5971 * doc/tm.texi (TARGET_HELP): Fix return type.
5973 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5974 in braces. Fix argument types.
5976 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5978 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5980 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5982 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5983 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5985 (TARGET_MANGLE_TYPE): Fix argument types.
5987 (TARGET_IRA_COVER_CLASSES): Use prototype.
5989 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5991 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5993 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5995 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5997 (TARGET_CALLEE_COPIES): Fix argument types.
5999 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6001 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6003 (TARGET_FUNCTION_VALUE): Fix argument types.
6005 (TARGET_RETURN_IN_MSB): Fix argument type.
6007 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6009 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6011 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6013 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6014 agree with return type.
6016 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6018 2010-01-15 Jing Yu <jingyu@google.com>
6020 PR rtl-optimization/42691
6021 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6022 a pseudo to a constant and are merged, and adjust comments.
6024 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6026 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6028 2010-01-15 Richard Guenther <rguenther@suse.de>
6031 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6032 labels of computed or non-local gotos to the destination.
6033 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6034 landing pad label is the first label.
6036 2010-01-15 Richard Guenther <rguenther@suse.de>
6038 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6040 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6043 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6044 to allow generation of the xssqrtdp instruction on power7.
6045 (sqrtdf2_fpr): Ditto.
6047 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6050 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6051 functions with noreturn attribute.
6054 * varasm.c (declare_weak): Add weak attribute to decl if it
6055 doesn't have one already.
6056 (assemble_external): Only add decls to weak_decls if they also
6057 have weak attribute.
6059 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6061 * var-tracking.c (var_reg_delete): Don't delete the association
6062 between REGs and values or one-part variables if the register
6065 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6068 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6069 because its first operand is a non-localized variable.
6071 2010-01-14 Martin Jambor <mjambor@suse.cz>
6073 PR tree-optimization/42706
6074 * tree-sra.c (encountered_recursive_call): New variable.
6075 (encountered_unchangable_recursive_call): Likewise.
6076 (sra_initialize): Initialize both new variables.
6077 (callsite_has_enough_arguments_p): New function.
6078 (scan_function): Call decl and flags check only for IPA-SRA, check
6079 whether there is a recursive call and whether it has enough arguments.
6080 (all_callers_have_enough_arguments_p): New function.
6081 (convert_callers): Look for recursive calls only when
6082 encountered_recursive_call is set.
6083 (ipa_early_sra): Bail out either if
6084 !all_callers_have_enough_arguments_p or
6085 encountered_unchangable_recursive_call.
6087 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6089 * sel-sched.c: Add 2010 to copyright years.
6090 * sel-sched-ir.c: Likewise.
6091 * sel-sched-ir.h: Likewise.
6093 2010-01-14 Martin Jambor <mjambor@suse.cz>
6095 PR tree-optimization/42714
6096 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6097 constructors specially.
6099 2010-01-14 Andi Kleen <ak@linux.intel.com>
6101 * config/i386/drivers-i386.c (detect_caches_intel):
6102 Add l2sizekb parameter and fill in.
6103 (host_detect_local_cpu): Add l2sizekb, fill in.
6104 Add Atom small cache heuristic.
6106 2010-01-14 Andi Kleen <ak@linux.intel.com>
6108 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6109 Add level3 parameter and fill in.
6110 (detect_caches_intel): Handle level3 cache.
6112 2010-01-14 Andi Kleen <ak@linux.intel.com>
6114 * config/i386/drivers-i386.c (host_detect_local_cpu):
6115 Fix core duo detection.
6117 2010-01-14 Andi Kleen <ak@linux.intel.com>
6119 * config/i386/drivers-i386.c (host_detect_local_cpu):
6122 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6124 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6125 (rs6000_variable_issue_1): this. Use...
6126 (rs6000_variable_issue): here. Reimplement. Print debug info.
6128 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6130 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6131 sel_restore_notes. Update all callers. Call reemit_notes
6134 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6136 PR rtl-optimization/42246
6137 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6140 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6142 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6143 all successors is the same as number of successors in current region.
6145 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6147 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6148 to rename is not separable. Otherwise check that its LHS is not NULL.
6150 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6152 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6154 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6156 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6157 available registers when failed to discover LHS register class.
6158 Fix indentation. Update comment.
6160 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6161 Alexander Monakov <amonakov@ispras.ru>
6163 PR rtl-optimization/42389
6164 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6166 (advance_state_on_fence): Likewise.
6167 (sel_target_adjust_priority): Print debug output only when
6168 sched_verbose >= 4, not 2.
6169 (get_expr_cost): Do not issue all unique insns on the next cycle.
6170 (fill_insns): Initialize can_issue_more from the value saved
6172 * sel-sched-ir.c (flist_add): New parameter issue_more.
6173 Init FENCE_ISSUE_MORE with it.
6174 (merge_fences): Likewise.
6175 (init_fences): Update call to flist_add.
6176 (add_to_fences, add_clean_fence_to_fences)
6177 (add_dirty_fence_to_fences): Likewise.
6178 (move_fence_to_fences): Update call to merge_fences.
6179 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6181 * sel-sched-ir.h (struct _fence): New field issue_more.
6182 (FENCE_ISSUE_MORE): New accessor macro.
6184 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6186 PR rtl-optimization/42388
6187 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6188 that have no predecessors nor successors. Do not call move_bb_info
6189 for empty blocks outside of current region.
6191 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6193 PR rtl-optimization/42294
6194 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6195 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6196 originators' originators.
6198 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6200 PR rtl-optimization/39453
6201 PR rtl-optimization/42246
6202 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6204 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6206 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6207 Alexander Monakov <amonakov@ispras.ru>
6210 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6211 (maybe_tidy_empty_bb): ... here. Make static. Add new
6212 argument. Update all callers.
6213 (tidy_control_flow): ... and here. Recompute topological order
6214 of basic blocks in region if necessary.
6215 (sel_redirect_edge_and_branch): Change return type. Return true
6216 if topological order might have been invalidated.
6217 (purge_empty_blocks): Export and move from...
6218 * sel-sched.c (purge_empty_blocks): ... here.
6219 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6220 (maybe_tidy_empty_bb): Delete prototype.
6221 (purge_empty_blocks): Declare.
6223 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6225 PR rtl-optimization/42249
6226 * sel-sched.c (try_replace_dest_reg): When chosen register
6227 and original register is the same, do not bail out early, but
6228 still check all original insns for validity of replacing destination
6229 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6232 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6235 Port from no-undefined-overflow branch:
6236 2009-03-09 Richard Guenther <rguenther@suse.de>
6238 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6240 2010-01-14 Richard Guenther <rguenther@suse.de>
6243 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6245 2010-01-14 Ira Rosen <irar@il.ibm.com>
6247 PR tree-optimization/42709
6248 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6249 as scalar type in creation of constant vector operand.
6251 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6254 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6255 (check-parallel-%): Match `testsuite' directory component only
6258 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6260 PR translation/39521
6261 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6264 2010-01-13 Richard Guenther <rguenther@suse.de>
6266 PR tree-optimization/42730
6267 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6270 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6273 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6274 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6277 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6279 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6280 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6281 ___umulsi3_highpart.
6283 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6284 rather than schedule_insns if the pass is enabled.
6286 2010-01-13 Martin Jambor <mjambor@suse.cz>
6288 PR tree-optimization/42704
6289 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6292 2010-01-13 Martin Jambor <mjambor@suse.cz>
6294 PR tree-optimization/42703
6295 * tree-sra.c (analyze_access_subtree): Check that we can build a
6296 reference to the original data within the aggregate.
6298 2010-01-13 Richard Guenther <rguenther@suse.de>
6300 PR tree-optimization/42705
6301 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6303 2010-01-13 Richard Guenther <rguenther@suse.de>
6306 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6308 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6311 * var-tracking.c (values_to_unmark): New variable.
6312 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6313 values_to_unmark vector. Moved body to...
6314 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6315 instead queue it into values_to_unmark vector.
6316 (vt_find_locations): Free values_to_unmark vector.
6318 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6320 * config/s390/s390.c (override_options): Set
6321 default of max-pending-list-length to 256
6323 2010-01-13 Richard Guenther <rguenther@suse.de>
6326 * tree-pass.h (PROP_gimple_lcx): New.
6327 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6328 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6329 before the final cleanup_eh.
6330 (dump_properties): Dump PROP_gimple_lcx.
6331 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6332 (tree_lower_complex_O0): Remove.
6333 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6334 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6335 tree_lower_complex, schedule TODO_update_ssa.
6336 * lto-streamer-out.c (output_function): Stream the functions
6338 * lto-streamer-in.c (input_function): Likewise.
6339 (lto_read_body): Do not override them here.
6341 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6344 * c-typeck.c (build_c_cast): Fold value cast to union type before
6345 wrapping it in a CONSTRUCTOR.
6347 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6349 PR rtl-optimization/42699
6350 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6353 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6355 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6356 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6357 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6358 SUBTARGET_WARN_UNUSED_SPEC): ... here
6359 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6361 2010-01-12 Julian Brown <julian@codesourcery.com>
6363 * config/arm/neon-schedgen.ml (Utils): Don't try to
6364 open missing module.
6365 (find_with_result): New.
6367 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6370 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6371 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6373 PR tree-optimization/42645
6374 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6375 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6376 decl_map, set processing_debug_stmt to -1 and return name without
6379 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6381 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6382 binutils version, and reword target configuration description.
6384 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6386 * config/avr/avr.h (LINKER_NAME): Remove.
6388 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6391 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6392 that support VSX, warn for -mno-altivec if vsx is not disabled,
6395 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6396 Shujing Zhao <pearly.zhao@oracle.com>
6398 PR translation/42469
6399 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6400 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6401 character between option name and help text.
6402 * c.opt (imultilib): Likewise.
6404 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6406 * lto-streamer-out.c (output_unreferenced_globals): Output static
6409 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6411 PR rtl-optimization/42621
6412 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6413 optimizing for size.
6414 (duplicate_computed_gotos): Remove now-redundant check.
6416 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6419 * configure.ac: Save and restore LDFLAGS and LIBS
6420 * configure: Regenerate.
6422 2010-01-10 Richard Guenther <rguenther@suse.de>
6425 * builtins.c (fold_builtin_strlen): Add type argument and
6426 convert the resulting length to it.
6427 (fold_builtin_1): Adjust.
6429 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6431 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6432 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6434 (num_insns_constant_wide): Adjust for that change.
6436 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6439 * web.c (union_defs): Add used argument, to combine uses of
6441 (entry_register): Adjust type and tests of used argument.
6442 (web_main): Widen used for new use. Pass it to union_defs.
6443 * df.h (union_defs): Adjust prototype.
6445 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6448 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6449 uses in new incoming argument. Free body.
6450 (reset_debug_uses_in_loop): New.
6451 (analyze_insn_to_expand_var): Call the latter if the former found
6452 anything. Fix whitespace. Reject invalid dest overlaps before
6453 going through all insns in the loop.
6455 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6458 * haifa-sched.c (dying_use_p): Debug insns don't count.
6460 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6463 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6464 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6465 (verify_gimple_call): Reject LHS in noreturn calls.
6467 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6471 * tree-vect-loop-manip.c (adjust_info): New type.
6472 (adjust_vec): New pointer to vector.
6473 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6474 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6475 (slpeel_update_phis_for_duplicate_loop): Use them.
6476 (slpeel_update_phi_nodes_for_guard1): Likewise.
6477 (slpeel_update_phi_nodes_for_guard2): Likewise.
6478 (slpeel_tree_peel_loop_to_edge): Likewise.
6479 (vect_update_ivs_after_vectorizer): Likewise.
6481 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6483 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6484 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6486 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6488 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6489 bogus uninitialized warning.
6491 2010-01-09 Richard Guenther <rguenther@suse.de>
6494 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6495 the evolution is compatible with the initial condition.
6497 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6499 * gcc.c (process_command): Update copyright notice dates.
6500 * gcov.c (print_version): Likewise.
6501 * gcov-dump.c (print_version): Likewise.
6502 * mips-tfile.c (main): Likewise.
6503 * mips-tdump.c (main): Likewise.
6505 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6508 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6510 (rotlhi3_8): Delete.
6512 (rotlsi3_8): Delete.
6513 (rotlsi3_16): Delete.
6514 (rotlsi3_24): Delete.
6516 (*rotw<mode>3): New.
6517 (*rotb<mode>3): New.
6518 * config/avr/avr.c (avr_rotate_bytes): New function.
6519 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6521 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6524 * configure.ac: Modify -rdynamic check.
6525 * configure: Regenerate.
6527 2010-01-08 DJ Delorie <dj@redhat.com>
6529 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6530 register popping order.
6532 2010-01-08 Richard Guenther <rguenther@suse.de>
6535 * c.opt (fsigned-char): Also let LTO handle this option.
6536 (funsigned-char): Likewise.
6538 2010-01-07 Richard Guenther <rguenther@suse.de>
6540 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6541 (gimple_op): Likewise.
6542 (gimple_op_ptr): Likewise.
6543 (gimple_assign_set_lhs): Remove gcc_assert.
6544 (gimple_assign_set_rhs1): Likewise.
6545 (gimple_assign_set_rhs2): Likewise.
6546 (gimple_call_set_lhs): Likewise.
6547 (gimple_call_set_fn): Likewise.
6548 (gimple_call_set_fndecl): Likewise.
6549 (gimple_call_fndecl): Likewise.
6550 (gimple_call_return_type): Likewise.
6551 (gimple_call_set_chain): Likewise.
6552 (gimple_call_num_args): Likewise.
6553 (gimple_call_set_arg): Likewise.
6554 (gimple_cond_set_code): Likewise.
6555 (gimple_cond_set_lhs): Likewise.
6556 (gimple_cond_set_rhs): Likewise.
6557 (gimple_cond_set_true_label): Likewise.
6558 (gimple_cond_set_false_label): Likewise.
6559 (gimple_label_set_label): Likewise.
6560 (gimple_goto_set_dest): Likewise.
6561 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6562 (gimple_debug_bind_get_value): Likewise.
6563 (gimple_debug_bind_get_value_ptr): Likewise.
6564 (gimple_debug_bind_set_var): Likewise.
6565 (gimple_debug_bind_set_value): Likewise.
6566 (gimple_debug_bind_reset_value): Likewise.
6567 (gimple_debug_bind_has_value_p): Likewise.
6568 (gimple_return_retval_ptr): Remove gcc_assert.
6569 (gimple_return_retval): Likewise.
6570 (gimple_return_set_retval): Likewise.
6571 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6572 (safe_referenced_var_iterator): Remove.
6573 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6574 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6575 (fill_referenced_var_vec): Remove.
6576 (first_readonly_imm_use): Remove redundant gcc_assert.
6577 (phi_arg_index_from_use): Combine gcc_asserts.
6578 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6579 (first_imm_use_stmt): Remove redundant gcc_assert.
6580 * tree-cfg.c (verify_gimple_call): Verify function and chain
6581 operands. Verify arguments.
6582 (verify_types_in_gimple_stmt): Verify condition code and labels.
6584 2010-01-07 Richard Guenther <rguenther@suse.de>
6586 PR tree-optimization/42641
6587 * sese.c (rename_map_elt_info): Use the SSA name version, do
6590 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6592 PR tree-optimization/42625
6593 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6594 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6596 2010-01-07 Duncan Sands <baldrick@free.fr>
6598 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6600 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6603 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6604 note itself is not function_invariant_p.
6606 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6608 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6609 Do not add the DF_NOTE problem.
6610 * store-motion.c (execute_rtl_store_motion): Likewise.
6612 2010-01-07 Martin Jambor <mjambor@suse.cz>
6614 PR tree-optimization/42157
6615 * tree-sra.c (compare_access_positions): Stabilize sort if both
6616 accesses have integer types, return zero immediately if they are the
6619 2010-01-06 Richard Henderson <rth@redhat.com>
6622 * haifa-sched.c (add_to_note_list): Merge into ...
6623 (concat_note_lists): ... here, and ...
6624 (unlink_other_notes, rm_other_notes): Merge into...
6625 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6626 NOTE_INSN_EPILOGUE_BEG.
6628 2010-01-06 Richard Guenther <rguenther@suse.de>
6630 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6631 not inline regular functions into always-inline functions.
6633 2010-01-06 Nick Clifton <nickc@redhat.com>
6635 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6636 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6638 (OVERRIDE_OPTIONS): Delete.
6639 (OPTIMIZATION_OPTIONS): Define.
6640 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6641 * config/rx/rx.c (rx_handle_option): Issue an error message if
6642 -mcpu=rx200 and -fpu are used together.
6643 (rx_set_optimization_options): New function. Issue an error
6644 message if an optimization attribute attempts to reset the FPU/
6645 math optimization pairing.
6646 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6647 * config/rx/rx.opt: Set the default to 32-bit doubles.
6648 * config/rx/t-rx: Add multilibs for -nofpu option.
6649 * doc/invoke.texi: Update documentation of RX options.
6651 2010-01-06 Richard Guenther <rguenther@suse.de>
6653 * tree-ssa-pre.c (name_to_id): New global.
6654 (alloc_expression_id): Simplify SSA name handling.
6655 (lookup_expression_id): Likewise.
6656 (init_pre): Zero name_to_id.
6657 (fini_pre): Free it.
6659 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6661 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6663 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6666 * config/i386/sse.md (smaxv2di3): New.
6667 (umaxv2di3): Likewise.
6668 (sminv2di3): Likewise.
6669 (uminv2di3): Likewise.
6671 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6674 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6675 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6676 (legitimize_tls_address): Likewise.
6677 (sparc_tls_referenced_p): Likewise.
6678 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6679 and adjust calls to legitimize_pic_address.
6680 (legitimate_constant_p) Use sparc_tls_referenced_p.
6681 (legitimate_pic_operand_p): Likewise.
6682 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6683 (sparc_tls_symbol_ref_1): Delete.
6684 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6685 (legitimize_tls_address): Make static, handle CONST patterns.
6686 (legitimize_pic_address): Make static, remove unused parameter and
6687 adjust recursive calls.
6688 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6689 and adjust call to legitimize_pic_address.
6690 (sparc_output_mi_thunk): Likewise.
6692 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6693 H.J. Lu <hongjiu.lu@intel.com>
6696 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6697 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6698 operands to make them signed.
6701 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6704 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6705 GTU to GT for V4SI and V2DI.
6707 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6708 (umin<mode>3): Removed.
6710 (uminv4si3): Likewise.
6712 2010-01-05 Martin Jambor <mjambor@suse.cz>
6714 PR tree-optimization/42462
6715 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6716 current_function_decl to helper functions and macros.
6718 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6721 * flags.h: Don't include real.h.
6722 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6723 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6724 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6725 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6726 * dominance.c: Update copyright.
6727 * gimple.c (walk_gimple_op): Remove inline.
6728 * tree-ssa-reassoc.c: Include real.h.
6729 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6730 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6732 2010-01-05 Nick Clifton <nickc@redhat.com>
6734 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6735 register to push into the stack frame when the accumulator has to
6736 be saved during interrupts.
6738 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6740 * doc/invoke.texi: Remove the documentation about option
6742 * common.opt (Wunreachable-code): Preserved for backward
6744 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6745 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6746 the backward compatibility flag section.
6748 2010-01-05 Richard Guenther <rguenther@suse.de>
6750 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6752 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6755 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6757 PR tree-optimization/42508
6758 * tree-sra.c (convert_callers): Check for recursive call
6759 by comparing cgraph nodes instead of decls.
6760 (modify_function): Call ipa_modify_formal_parameters also
6761 on all same_body aliases.
6763 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6764 cgraph nodes when checking for same_body aliases.
6766 2010-01-05 Richard Guenther <rguenther@suse.de>
6768 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6769 allocation and lookup.
6770 (get_or_alloc_expr_for_constant): Likewise.
6771 (phi_translate): Sink allocation.
6773 2010-01-04 Richard Guenther <rguenther@suse.de>
6775 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6776 a new entry only if needed.
6777 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6778 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6780 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6782 (phi_translate): Handle CONSTANTs early.
6784 2010-01-04 Martin Jambor <mjambor@suse.cz>
6786 PR tree-optimization/42398
6787 * tree-sra.c (struct access): Removed flag grp_different_types.
6788 (dump_access): Do not dump the removed flag.
6789 (sort_and_splice_var_accesses): Do not set the removed flag.
6790 (sra_modify_expr): Check for type compatibility directly.
6792 2010-01-04 Martin Jambor <mjambor@suse.cz>
6794 PR tree-optimization/42366
6795 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6796 edges with variable number of parameters.
6797 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6798 flag instead of asserting it.
6799 (ipa_read_node_info): Read uses_analysis_done flag.
6801 2010-01-04 Richard Guenther <rguenther@suse.de>
6803 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6804 iterative_hash_* as intended.
6805 (vn_reference_compute_hash): Likewise. Simplify hashing
6807 (vn_reference_lookup_2): Likewise.
6808 (vn_nary_op_compute_hash): Likewise.
6809 (vn_phi_compute_hash): Likewise.
6810 (expressions_equal_p): Remove strange code.
6811 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6812 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6813 (bitmap_insert_into_set_1): Take value-id as parameter.
6814 (add_to_value): Pass it.
6815 (bitmap_insert_into_set): Likewise.
6816 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6818 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6821 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6822 (do_self_spec): For switches with SWITCH_IGNORE set set also
6823 SWITCH_IGNORE_PERMANENTLY.
6824 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6827 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6829 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6830 tree of an unreferenced global var.
6832 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6835 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6836 GTU to GT for V4SI and V2DI.
6838 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6839 (umin<mode>3): Removed.
6841 (uminv4si3): Likewise.
6843 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6846 * collect2.c (main): Turn on trace in collect2 if -v is passed
6849 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6851 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6852 description of expression operand.
6854 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6856 * configure.ac: Add install-html to target_list for Make-hooks.
6857 * configure: Regenerate.
6858 * fortran/Make-lang.in (F95_HTMLFILES): New.
6859 (fortran.html): Use it.
6860 (fortran.install-html): New.
6861 * Makefile.in (install-html): Add lang.install-html.
6862 * java/Make-lang.in (JAVA_HTMLFILES): New.
6863 (java.html): Use it.
6864 (java.install-html): New.
6865 * objc/Make-lang.in (objc.install-html): New.
6866 * objcp/Make-lang.in (obj-c++.install-html): New.
6867 * cp/Make-lang.in (c++.install-html): New.
6868 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6869 * lto/Make-lang.in (lto.install-html): New.
6871 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6874 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6876 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6878 PR rtl-optimization/41862
6879 * store-motion.c (store_killed_in_insn, compute_store_table,
6880 remove_reachable_equiv_notes, replace_store_insn,
6881 build_store_vectors): Ignore all DEBUG_INSNs.
6883 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6886 * common.opt: Add dumpdir.
6888 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6890 (option_map): Add --dumpdir.
6892 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6894 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6896 * opts.c (decode_options): Try dump_dir_name first if
6897 dump_base_name isn't an absolute path.
6898 (common_handle_option): Handle OPT_dumpdir.
6900 * toplev.c (dump_dir_name): New.
6901 (print_switch_values): Also ignore -dumpdir.
6903 * toplev.h (dump_dir_name): New.
6905 2010-01-03 Richard Guenther <rguenther@suse.de>
6907 PR tree-optimization/42589
6908 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6909 double-word expansion of bswap32.
6911 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6913 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6914 with BLOCK_FOR_INSN.
6915 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6916 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6917 noce_process_if_block): Likewise.
6918 * gcse.c (compute_local_properties, insert_expr_in_table,
6919 insert_set_in_table, canon_list_insert, find_avail_set,
6920 pre_insert_copy_insn): Likewise.
6922 * basic-block.h (BLOCK_NUM): Move from here...
6923 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6925 2010-01-03 Richard Guenther <rguenther@suse.de>
6927 PR tree-optimization/42438
6928 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6929 contains_may_not_return_call flag.
6930 (BB_MAY_NOTRETURN): New.
6931 (valid_in_sets): Trapping nary operations are not valid
6932 in blocks that may not return.
6933 (insert_into_preds_of_block): Remove check for trapping expressions.
6934 (compute_avail): Compute also BB_MAY_NOTRETURN.
6936 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6938 * doc/invoke.texi: Add 2010 to copyright years.
6940 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6942 * config/sparc/sparc.c: Fix formatting nits.
6944 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6945 Alexander Monakov <amonakov@ispras.ru>
6947 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6949 2010-01-02 Richard Guenther <rguenther@suse.de>
6952 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6953 (simplify_switch_using_ranges): Mark to be removed edges
6956 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6958 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6960 * collect2.c (scan_libraries): Add missing argument in call to
6963 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6966 * config/alpha/predicates.md (aligned_memory_operand): Return false
6968 (unaligned_memory_operand): Return true for CQImode.
6969 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6970 doesn not cross aligned SImode word boundary.
6972 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6974 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6976 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6977 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6979 2010-01-02 Richard Guenther <rguenther@suse.de>
6982 * toplev.c (compile_file): Emit LTO marker properly. Change
6984 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6986 2010-01-01 Richard Guenther <rguenther@suse.de>
6989 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6991 2010-01-01 Richard Guenther <rguenther@suse.de>
6994 * c-decl.c (grokdeclarator): For zero-size arrays force
6995 structural equality checks as layout_type does.
6997 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6999 * builtins.c: Update copyright to 2010.
7001 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7004 * lto-streamer-out.c (produce_asm): Revert the last change.
7005 (copy_function): Likewise.
7007 * lto-streamer.c (lto_get_section_name): Skip any leading
7010 2010-01-01 Richard Guenther <rguenther@suse.de>
7013 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7017 Copyright (C) 2010 Free Software Foundation, Inc.
7019 Copying and distribution of this file, with or without modification,
7020 are permitted in any medium without royalty provided the copyright
7021 notice and this notice are preserved.