1 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
3 * config/i386/i386.md (x86_shrd): Add athlon_decode and
4 amdfam10_decode attributes.
6 2010-04-21 Jakub Jelinek <jakub@redhat.com>
9 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
10 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
11 (lower_copyprivate_clauses): Use private var in outer
12 context instead of original var. Make sure the types
15 2010-04-21 Richard Guenther <rguenther@suse.de>
17 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
18 to non-pointer objects.
20 2010-04-21 Jakub Jelinek <jakub@redhat.com>
22 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
23 last chain entry if it starts with the still current label.
24 (add_location_or_const_value_attribute): Check that
25 loc_list->first->next is NULL instead of comparing ->first with
27 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
28 to add_var_loc_to_decl.
30 * dwarf2out.c (output_call_frame_info): For dw_cie_version
31 >= 4 add also address size and segment size fields into CIE
34 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
35 long as address size is the same as sizeof (void *) and
37 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
38 address size or segment size is unexpected, return DW_EH_PE_omit.
39 (classify_object_over_fdes): If get_cie_encoding returned
40 DW_EH_PE_omit, return -1.
41 (init_object): If classify_object_over_fdes returned -1,
42 pretend there were no FDEs at all.
44 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
46 * config/i386/i386.md (bswap<mode>2): Macroize expander from
47 bswap{si,di}2 using SWI48 mode iterator.
48 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
49 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
50 set modrm attribute of bswap insn to 0 and remove length attribute.
51 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
52 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
53 set mode attribute to <MODE> and remove length attribute.
55 2010-04-20 James E. Wilson <wilson@codesourcery.com>
57 PR rtl-optimization/43520
58 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
59 zero available registers.
61 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
63 * builtins.c (fold_builtin_cproj): Fold more cases.
65 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
67 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
68 (fold_builtin_1): Fold builtin cproj.
69 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
70 Use ATTR_CONST_NOTHROW_LIST.
72 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
74 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
75 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
76 ffsi2_no_cmove for !TARGET_CMOVE.
77 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
78 (ffssi2): Remove expander.
79 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
81 (ctz<mode>2): Ditto from ctz{si,di}2.
82 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
84 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
87 2010-04-20 Jakub Jelinek <jakub@redhat.com>
89 * dwarf2out.c (AT_linkage_name): Define.
90 (clone_as_declaration): Handle DW_AT_linkage_name.
91 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
92 of DW_AT_MIPS_linkage_name.
93 (move_linkage_attr): Likewise.
94 (dwarf2out_finish): Likewise.
96 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
99 * fold-const.c (fold_comparison): New folding rule.
101 2010-04-20 Anatoly Sokolov <aesok@post.ru>
103 * double-int.h (double_int_setbit): Declare.
104 * double-int.c (double_int_setbit): New function.
105 * rtl.h (immed_double_int_const): Declare.
106 * emit-rtl.c (immed_double_int_const): New function.
107 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
108 and immed_double_int_const functions.
109 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
110 expand_copysign_bit): (Ditto.).
111 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
112 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
113 * dojump.c (prefer_and_bit_test): (Ditto.).
114 * expr.c (convert_modes, reduce_to_bit_field_precision,
115 const_vector_from_tree): (Ditto.).
116 * expmed.c (mask_rtx, lshift_value): (Ditto.).
118 2010-04-20 Jan Hubicka <jh@suse.cz>
120 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
121 (dump_cgraph_node): Dump new flags.
122 * cgraph.h (struct cgraph_node): Add flags
123 reachable_from_other_partition and in_other_partition.
124 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
125 other partition can not be removed.
126 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
127 the other partition must be output; silence sanity checking on
128 leaking functions bodies from other paritition.
129 * lto-cgraph.c (reachable_from_other_partition_p): New function.
130 (lto_output_node): Output new flags; do not sanity check that inline
131 clones are output; drop lto_forced_extern_inline_p code; do not mock
132 visibility flags at partition boundaries.
133 (add_node_to): New function.
134 (output_cgraph): Use it to sort functions so masters appear before
136 (input_overwrite_node): Input new flags.
137 * passes.c (ipa_write_summaries): Do not call
138 lto_new_extern_inline_states.
139 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
140 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
141 lto_forced_extern_inline_p): Kill.
142 * lto-streamer.h (lto_new_extern_inline_states,
143 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
144 lto_forced_extern_inline_p): Kill.
146 2010-04-20 Richard Guenther <rguenther@suse.de>
148 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
149 from vars that can have pointers.
150 (process_constraint): Dump useless constraints.
152 2010-04-20 Richard Guenther <rguenther@suse.de>
154 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
155 (dump_sa_points_to_info): Remove asserts.
156 (init_base_vars): nothing_id isn't an escape point nor does it
159 2010-04-20 Jakub Jelinek <jakub@redhat.com>
161 * tree.h (TYPE_REF_IS_RVALUE): Define.
162 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
163 should_move_die_to_comdat, prune_unused_types_walk): Handle
164 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
165 (modified_type_die, gen_reference_type_die): Emit
166 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
167 if TYPE_REF_IS_RVALUE and -gdwarf-4.
169 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
172 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
173 calls for -fpic -m31 if they have been sibcall optimized.
175 2010-04-19 James E. Wilson <wilson@codesourcery.com>
177 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
178 ar.lc fixed and call-used.
180 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
182 2010-04-19 Jan Hubicka <jh@suse.cz>
184 * opts.c (decode_options): Disable whpr incompatible passes.
185 * lto/lto.c (lto_1_to_1_map): Skip clones.
186 (read_cgraph_and_symbols): Do not mark everything as needed.
187 (do_whole_program_analysis): Do map only after optimizing;
188 set proper cgraph_state; use passmanager.
190 2010-04-19 DJ Delorie <dj@redhat.com>
192 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
193 POINTER_PLUS_EXPR and fix them.
195 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
197 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
198 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
199 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
200 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
201 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
202 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
203 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
204 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
205 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
206 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
207 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
209 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
211 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
212 (check_cond_move_block): Likewise.
213 (cond_move_process_if_block): Likewise.
214 (noce_find_if_block): Improve formatting.
215 (find_if_header): Pass 0 to memset and tweak conditions.
216 (cond_exec_find_if_block): Fix long lines and tweak conditions.
218 2010-04-19 Jakub Jelinek <jakub@redhat.com>
220 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
224 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
225 with non-local decl doesn't need chain.
227 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
229 * ira-color.c (allocno_reload_assign): Avoid accumulating
230 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
232 2010-04-19 Martin Jambor <mjambor@suse.cz>
234 * gimple.h (create_tmp_reg): Declare.
235 * gimplify.c (create_tmp_reg): New function.
236 (gimplify_return_expr): Use create_tmp_reg.
237 (gimplify_omp_atomic): Likewise.
238 (gimple_regimplify_operands): Likewise.
239 * tree-dfa.c (make_rename_temp): Likewise.
240 * tree-predcom.c (predcom_tmp_var): Likewise.
241 (reassociate_to_the_same_stmt): Likewise.
242 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
243 (get_replaced_param_substitute): Likewise.
244 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
245 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
246 * tree-ssa-pre.c (get_representative_for): Likewise.
247 (create_expression_by_pieces): Likewise.
248 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
249 (create_tailcall_accumulator): Likewise.
251 2010-04-19 Martin Jambor <mjambor@suse.cz>
253 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
255 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
257 2010-04-19 Richard Guenther <rguenther@suse.de>
259 PR tree-optimization/43796
260 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
261 from SCEV in the lattice.
262 (vrp_visit_phi_node): Dump change.
264 2010-04-19 Richard Guenther <rguenther@suse.de>
266 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
267 * configure: Re-generated.
269 2010-04-19 Richard Guenther <rguenther@suse.de>
271 PR tree-optimization/43783
272 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
273 constant ARRAY_REF operands two and three if possible.
275 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
278 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
280 2010-04-19 Jie Zhang <jie@codesourcery.com>
283 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
285 2010-04-19 Ira Rosen <irar@il.ibm.com>
287 PR tree-optimization/37027
288 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
289 and macro to access it.
290 (vectorizable_reduction): Add argument.
291 (vect_get_slp_defs): Likewise.
292 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
293 statements for possible use in SLP.
294 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
295 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
296 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
298 (vectorizable_reduction): Likewise.
299 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
301 (vectorizable_type_demotion, vectorizable_type_promotion,
302 vectorizable_store): Likewise.
303 (vect_analyze_stmt): Update call to vectorizable_reduction.
304 (vect_transform_stmt): Likewise.
305 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
306 (vect_build_slp_tree): Fix indentation. Check that there are no loads
307 from different interleaving chains in same node.
308 (vect_slp_rearrange_stmts): New function.
309 (vect_supported_load_permutation_p): Allow load permutations for
310 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
311 inside SLP nodes if necessary.
312 (vect_analyze_slp_instance): Handle reductions.
313 (vect_analyze_slp): Try to build SLP instances originating from groups
315 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
316 (vect_get_constant_vectors): Create initial vectors for reductions
317 according to reduction code. Add new argument.
318 (vect_get_slp_defs): Add new argument, pass it to
319 vect_get_constant_vectors.
320 (vect_schedule_slp_instance): Remove SLP tree root statements.
322 2010-04-19 Jakub Jelinek <jakub@redhat.com>
324 * tree.h (ENUM_IS_SCOPED): Define.
325 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
326 for ENUM_IS_SCOPED enums.
328 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
330 * fold-const.c (fold_comparison): Use ssizetype.
331 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
332 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
333 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
334 * tree-object-size.c (compute_object_sizes): Use size_type_node.
336 * tree.h (initialize_sizetypes): Remove parameter.
337 (build_common_tree_nodes): Remove second parameter.
338 * stor-layout.c (initialize_sizetypes): Remove parameter.
339 Always create an unsigned type.
340 (set_sizetype): Assert that the passed type is unsigned and simplify.
341 * tree.c (build_common_tree_nodes): Remove second parameter.
342 Adjust call to initialize_sizetypes.
343 * c-decl.c (c_init_decl_processing): Remove second argument in call to
344 build_common_tree_nodes.
346 2010-04-18 Matthias Klose <doko@ubuntu.com>
348 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
350 2010-04-18 Ira Rosen <irar@il.ibm.com>
352 PR tree-optimization/43771
353 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
354 load permutation doesn't have gaps.
356 2010-04-18 Jan Hubicka <jh@suse.cz>
358 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
359 (sse_prologue_save_insn expander): Use new pattern.
360 (sse_prologue_save_insn1): New pattern and splitter.
361 (sse_prologue_save_insn): Update to deal also with 64bit aligned
363 * i386.c (setup_incoming_varargs_64): Do not compute jump
365 (ix86_gimplify_va_arg): Update alignment needed.
366 (ix86_local_alignment): Do not align all local arrays to 128bit.
368 2010-04-17 Jan Hubicka <jh@suse.cz>
370 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
372 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
374 * arm.md (negdi2): Remove redundant code to force values into a
377 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
379 * arm/bpabi.S: Add EABI alignment attributes to objects.
380 * arm/bpabi-v6m.S: Likewise.
381 * arm/crti.asm: Likewise.
382 * arm/crtn.asm: Likewise.
383 * arm/lib1funcs.asm: Likewise.
384 * arm/libunwind.S: Likewise.
386 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
388 * arm-protos.h (tune_params): New structure.
389 * arm.c (current_tune): New variable.
390 (arm_constant_limit): Delete.
391 (struct processors): Add pointer to the tune parameters.
392 (arm_slowmul_tune): New tuning option.
393 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
394 (all_cores): Adjust to pick up the tuning model.
395 (arm_constant_limit): New function.
396 (arm_override_options): Select the appropriate tuning model. Delete
397 initialization of arm_const_limit.
398 (arm_split_constant): Use the new constant-limit model.
399 (arm_rtx_costs): Pick up the current tuning model.
400 * arm.md (is_strongarm, is_xscale): Delete.
401 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
402 for Xscale variant architectures.
403 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
405 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
407 * config/arm/arm.c (arm_gen_constant): Remove unused variable
409 (arm_rtx_costs_1): Remove unused variable extra_cost.
410 (arm_unwind_emit_set): Use variable offset.
411 (thumb1_output_casesi): Remove unused variable flags.
413 2010-04-16 Jeff Law <law@redhat.com>
415 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
416 needing assignment rather than doing a two-phase assignment. Remove
419 2010-04-16 Jakub Jelinek <jakub@redhat.com>
422 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
424 2010-04-16 Doug Kwan <dougkwan@google.com>
426 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
427 (next_operand_entry_id): New static variable.
428 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
429 (add_to_ops_vec): Assigned unique ID to operand entry.
430 (struct oecount_s): New field ID.
431 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
432 (undistribute_ops_list): Assign unique IDs to oecounts.
433 (init_reassoc): reset next_operand_entry_id.
435 2010-04-16 Doug Kwan <dougkwan@google.com>
437 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
438 missing left parenthesis.
440 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
442 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
443 *btdi_rex64 using SWI48 mode iterator.
444 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
445 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
446 *jcc_btdi_mask_rex64.
448 2010-04-16 Anatoly Sokolov <aesok@post.ru>
450 * double-int.h (tree_to_double_int): Convert to macro.
451 * double-int.c (tree_to_double_int): Remove.
453 2010-04-16 Jakub Jelinek <jakub@redhat.com>
456 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
457 with want_address 2 and in case a single element list might be
458 possible, call it again with want_address 0.
460 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
462 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
463 case 'W' print operands for HI mode.
464 * config/h8300/h8300.h (Y0, Y2) : New constraints.
465 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
466 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
467 * config/h8300/predicate.md (bit_register_indirect_operand): New.
469 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
471 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
472 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
473 #xx:3 and #xx:4 mode.
475 * config/h8300/h8300.md (inverted load with HImode dest): Add
478 * config/h8300/predicate.md (bit_operand): Allow immediate values that
479 satisfy 'U' constraint.
481 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
483 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
484 * configure: Regenerate.
485 * config.in: Regenerate.
486 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
489 2010-04-16 Richard Guenther <rguenther@suse.de>
491 * tree.h (struct tree_decl_minimal): Move pt_uid ...
492 (struct tree_decl_common): ... here.
493 (DECL_PT_UID): Adjust.
494 (SET_DECL_PT_UID): Likewise.
495 (DECL_PT_UID_SET_P): Likewise.
497 2010-04-16 Richard Guenther <rguenther@suse.de>
499 PR tree-optimization/43572
500 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
501 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
502 * tree-flow.h (is_call_clobbered): Remove.
503 * tree-flow-inline.h (is_call_clobbered): Likewise.
504 * tree-dfa.c (dump_variable): Do not dump call clobber state.
505 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
506 (execute_return_slot_opt): Adjust.
507 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
508 check for call clobbered vars here.
509 (find_tail_calls): Move tailcall verification to the
512 2010-04-16 Diego Novillo <dnovillo@google.com>
514 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
516 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
519 * config/arm/arm.md (cbranchqi4): New pattern.
520 * config/arm/predicates.md (const0_operand,
521 cbranchqi4_comparison_operator): New predicates.
523 2010-04-16 Richard Guenther <rguenther@suse.de>
525 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
526 (dump_gimple_stmt): Likewise.
528 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
530 * recog.h (struct recog_data): New field is_operator.
531 (struct insn_operand_data): New field is_operator.
532 * recog.c (extract_insn): Set recog_data.is_operator.
533 * genoutput.c (output_operand_data): Emit code to set the
535 * reload.c (find_reloads): Use it rather than testing for an
536 empty constraint string.
539 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
540 If the previous insn is a cbranchsi4_insn with the same arguments,
541 omit the compare instruction.
543 * config/arm/arm.md (addsi3_cbranch): If destination is a high
544 register, inputs must be low registers and we need a low register
545 scratch. Handle alternative 2 like alternative 3.
547 2010-04-16 Jakub Jelinek <jakub@redhat.com>
549 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
550 don't call get_addr on both. If one expression is a VALUE and
551 the other a REG, check VALUE's locs if the REG isn't among them.
553 2010-04-16 Christian Bruel <christian.bruel@st.com>
555 * config/sh/sh.h (sh_frame_pointer_required): New function.
556 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
557 (flag_omit_frame_pointer) Set.
558 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
559 (rounded_frame_size): Adjust size with outgoing_args_size.
560 (sh_set_return_address): Must return from stack pointer.
561 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
562 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
563 (ACCUMULATE_OUTGOING_ARGS): Define.
564 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
565 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
567 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
570 * config/sh/sh.c (sh_legitimize_reload_address): Use
571 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
572 Remove a unneeded check for offset_base.
574 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
576 * configure: Regenerated.
578 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
580 * config/s390/s390.c (s390_call_save_register_used): Switch back
583 2010-04-15 Richard Guenther <rguenther@suse.de>
585 * alias.c (alias_set_subset_of): Handle alias-set zero
588 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
589 Julian Brown <julian@codesourcery.com>
591 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
592 alternatives according to use of high and low regs.
593 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
594 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
595 optimizing for size on Thumb-2.
597 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
599 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
601 2010-04-15 Richard Guenther <rguenther@suse.de>
603 * tree-ssa-structalias.c (struct variable_info): Add
605 (new_var_info): Initialize it.
606 (dump_constraints): Support printing last added constraints.
607 (debug_constraints): Adjust.
608 (dump_constraint_graph): Likewise.
609 (make_heapvar_for): Check for NULL cfun.
610 (get_function_part_constraint): New function.
611 (get_fi_for_callee): Likewise.
612 (find_func_aliases): Properly implement IPA PTA constraints.
613 (process_ipa_clobber): New function.
614 (find_func_clobbers): Likewise.
615 (insert_into_field_list_sorted): Remove.
616 (create_function_info_for): Properly allocate vars for IPA mode.
617 Do not use insert_into_field_list_sorted.
618 (create_variable_info_for): Properly generate constraints for
619 global vars in IPA mode.
620 (dump_solution_for_var): Always dump the solution.
621 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
622 (find_what_var_points_to): Adjust.
623 (pt_solution_set): Change.
624 (pt_solution_ior_into): New function.
625 (pt_solution_empty_p): Export.
626 (pt_solution_includes_global): Adjust.
627 (pt_solution_includes_1): Likewise.
628 (pt_solutions_intersect_1): Likewise.
629 (dump_sa_points_to_info): Check some invariants.
630 (solve_constraints): Move constraint dumping ...
631 (compute_points_to_sets): ... here.
632 (ipa_pta_execute): ... and here.
633 (compute_may_aliases): Do not re-compute points-to info
634 locally if IPA info is available.
635 (ipa_escaped_pt): New global var.
636 (ipa_pta_execute): Properly implement IPA PTA.
637 * tree-into-ssa.c (dump_decl_set): Support dumping
638 decls not in referenced-vars.
639 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
640 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
641 (dump_points_to_solution): Likewise.
642 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
643 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
644 (remap_gimple_stmt): Reset call clobber/use information if necessary.
645 (copy_decl_to_var): Copy DECL_PT_UID.
646 (copy_result_decl_to_var): Likewise.
647 * tree.c (make_node_stat): Initialize DECL_PT_UID.
648 (copy_node_stat): Copy it.
649 * tree.h (DECL_PT_UID): New macro.
650 (SET_DECL_PT_UID): Likewise.
651 (DECL_PT_UID_SET_P): Likewise.
652 (struct tree_decl_minimal): Add pt_uid member.
653 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
654 (pt_solution_empty_p): Declare.
655 (pt_solution_set): Adjust.
656 (ipa_escaped_pt): Declare.
657 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
658 * gimple-pretty-print.c (pp_points_to_solution): New function.
659 (dump_gimple_call): Dump call clobber/use information.
660 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
661 * tree-pass.h (TDF_ALIAS): New dump option.
662 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
663 * doc/invoke.texi (-fipa-pta): Update documentation.
665 2010-04-15 Richard Guenther <rguenther@suse.de>
667 * Makefile.in (OBJS-common): Add gimple-fold.o.
668 (gimple-fold.o): New rule.
669 * tree.h (maybe_fold_offset_to_reference,
670 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
672 * gimple.h: ... here.
673 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
674 may_propagate_address_into_dereference): Move prototypes ...
675 * gimple.h: ... here.
676 * tree-ssa-ccp.c (get_symbol_constant_value,
677 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
678 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
679 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
680 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
681 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
682 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
683 gimplify_and_update_call_from_tree): Move ...
684 * gimple-fold.c: ... here. New file.
685 (ccp_fold_builtin): Rename to ...
686 (gimple_fold_builtin): ... this.
687 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
689 2010-04-15 Richard Guenther <rguenther@suse.de>
691 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
692 fit_double_type, force_fit_type_double, add_double_with_sign,
693 neg_double, mul_double_with_sign, lshift_double, rshift_double,
694 lrotate_double, rrotate_double, div_and_round_double): Move ...
695 * double-int.c: ... here.
696 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
697 add_double, neg_double, mul_double_with_sign, mul_double,
698 lshift_double, rshift_double, lrotate_double, rrotate_double,
699 div_and_round_double): Move prototypes ...
700 * double-int.h: ... here.
702 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
705 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
706 matching constraints to ensure inputs match the output.
708 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
711 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
712 in an input-only operand.
714 2010-04-15 Anatoly Sokolov <aesok@post.ru>
716 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
717 (double_int_not, double_int_lshift, double_int_rshift): Declare.
718 (double_int_negative_p): Convert to static inline function.
719 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
720 (double_int_negative_p): Remove.
721 * tree.h (lshift_double, rshift_double):
722 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
723 * fold-const.c (fold_convert_const_int_from_real,
724 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
725 (lshift_double): Change type of arith argument to bool.
726 (rshift_double): Change type of arith argument to bool. Correct
728 * expmed.c (mask_rtx, lshift_value): (Ditto.).
730 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
733 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
734 at the start and end of the then/else blocks, and omit them from the
736 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
737 argument; all callers changed. Pass zero to old_insns_match_p instead.
738 (flow_find_head_matching_sequence): New function.
739 (old_insns_match_p): Check REG_EH_REGION notes for calls.
740 * basic-block.h (flow_find_cross_jump,
741 flow_find_head_matching_sequence): Declare functions.
743 2010-04-14 Jason Merrill <jason@redhat.com>
746 * c-common.c (attribute_takes_identifier_p): New fn.
747 * c-common.h: Declare it.
749 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
751 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
753 (*udivmod<mode>4): Ditto.
755 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
757 * config/i386/i386.md (maxmin_int): Rename code attribute from
758 maxminiprefix and update all users.
759 (maxmin_float): Ditto from maxminfprefix.
760 (logic): Ditto from logicprefix.
761 (absneg_mnemonic): Ditto from absnegprefix.
762 * config/i386/mmx.md: Update all users of maxminiprefix,
763 maxminfprefix and logicprefix for rename.
764 * config/i386/sse.md: Ditto.
765 * config/i386/sync.md (sync_<code><mode>): Update for
768 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
771 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
772 warnings converted to errors.
774 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
776 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
777 used insn_type variable.
778 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
779 to avoid set-but-not-used warning.
781 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
783 * df-core.c (df_ref_debug): Change format string placeholder
785 * dwarf2asm.c (dw2_asm_output_data_raw,
786 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
787 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
788 * dwarf2out.c (output_cfi, output_cfi_directive,
789 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
790 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
792 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
793 * print-rtl.c (print_rtx): Ditto.
795 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
798 * builtins.c (expand_builtin_pow_root): New function to expand pow
799 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
800 series of sqrt and cbrt calls under -ffast-math.
801 (expand_builtin_pow): Call it.
803 2010-04-14 Michael Matz <matz@suse.de>
805 PR tree-optimization/42963
806 * tree-cfg.c (touched_switch_bbs): New static variable.
807 (group_case_labels_stmt): New function broken out from ...
808 (group_case_labels): ... here, use the above.
809 (start_recording_case_labels): Allocate touched_switch_bbs.
810 (end_recording_case_labels): Deallocate it, call
811 group_case_labels_stmt.
812 (gimple_redirect_edge_and_branch): Remember index of affected BB.
814 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
816 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
819 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
821 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
823 2010-04-13 Jan Hubicka <jh@suse.cz>
825 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
826 of optimized out static functions.
827 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
828 cost computation. Also sanity check for overflows.
829 (update_caller_keys): Update cgraph_edge_badness call; properly
830 update fibheap and sanity check that it is up to date.
831 (add_new_edges_to_heap): Update cgraph_edge_badness.
832 (cgraph_decide_inlining_of_small_function): Likewise;
833 add sanity checking that badness in heap is up to date;
834 improve dumping of reason; Update badness of calls to the
835 offline copy of function currently inlined; dump badness
836 of functions not inlined because of unit growth limits.
838 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
841 * c-common.c (pointer_int_sum): Disregard overflow that occured only
842 because of sign-extension change when converting to sizetype here...
843 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
845 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
846 the folding to constants. Remove redundant final conversion.
847 (fold_binary) <associate>: Do not associate if the re-association of
848 constants alone overflows.
849 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
850 to the end of the list.
851 (multiple_of_p) <COND_EXPR>: New case.
853 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
855 * opt-functions.awk (opt_sanitized_name): New.
857 * optc-gen.awk: Use it
858 * opth-gen.awk: Use it.
860 2010-04-13 Martin Jambor <mjambor@suse.cz>
862 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
863 (sra_modify_assign): Delete stmts loading dead data even if racc has no
864 children. Call replace_uses_with_default_def_ssa_name to handle
867 2010-04-13 Michael Matz <matz@suse.de>
870 * builtins.c (expand_builtin_interclass_mathfn): Also create
871 a register if the predicate doesn't match.
873 2010-04-13 Diego Novillo <dnovillo@google.com>
875 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
876 * c-pch.c: Include timevar.h.
877 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
878 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
879 * ggc-common.c: Include timevar.h.
880 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
881 * timevar.def (TV_PCH_SAVE): Define.
882 (TV_PCH_CPP_SAVE): Define.
883 (TV_PCH_PTR_REALLOC): Define.
884 (TV_PCH_PTR_SORT): Define.
885 (TV_PCH_RESTORE): Define.
886 (TV_PCH_CPP_RESTORE): Define.
888 2010-04-13 Michael Matz <matz@suse.de>
890 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
892 (can_reassociate_p): New function.
893 (break_up_subtract_bb, reassociate_bb): Use it.
895 2010-04-13 Richard Guenther <rguenther@suse.de>
898 * builtins.c (c_readstr): Fix assert.
900 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
902 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
903 when generating cltd insn.
905 (*ashl<mode>3_1): Remove special handling for register operand 2.
906 (*ashlsi3_1_zext): Ditto.
908 (*ashlhi3_1_lea): Ditto.
910 (*ashlqi3_1_lea): Ditto.
911 (*<shiftrt_insn><mode>3_1): Ditto.
912 (*<shiftrt_insn>si3_1_zext): Ditto.
913 (*<shiftrt_insn>qi3_1_slp): Ditto.
914 (*<rotate_insn><mode>3_1): Ditto.
915 (*<rotate_insn>si3_1_zext): Ditto.
916 (*<rotate_insn>qi3_1_slp): Ditto.
918 2010-04-13 Richard Guenther <rguenther@suse.de>
920 * tree-ssa-structalias.c (callused_id): Remove.
921 (call_stmt_vars): New.
922 (get_call_vi): Likewise.
923 (lookup_call_use_vi): Likewise.
924 (lookup_call_clobber_vi): Likewise.
925 (get_call_use_vi): Likewise.
926 (get_call_clobber_vi): Likewise.
927 (make_transitive_closure_constraints): Likewise.
928 (handle_const_call): Adjust to do per-call call-used handling.
929 (handle_pure_call): Likewise.
930 (find_what_var_points_to): Remove general callused handling.
931 (init_base_vars): Likewise.
932 (init_alias_vars): Initialize call_stmt_vars.
933 (compute_points_to_sets): Process call-used and call-clobbered
934 vars for call statements.
935 (delete_points_to_sets): Free call_stmt_vars.
937 2010-04-13 Richard Guenther <rguenther@suse.de>
939 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
940 Only add RW dependence for dependence distance zero.
941 Adjust maximal vectorization factor according to dependences.
942 Move alignment handling ...
943 (vect_find_same_alignment_drs): ... here. New function.
944 (vect_analyze_data_ref_dependences): Adjust.
945 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
946 (vect_analyze_data_refs): Adjust minimal vectorization factor
947 according to data references.
948 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
949 dependences before determining the vectorization factor.
950 Analyze alignment after determining the vectorization factor.
951 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
952 dependences before alignment.
953 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
955 (vect_analyze_data_refs): Likewise.
956 (MAX_VECTORIZATION_FACTOR): New define.
958 2010-04-13 Duncan Sands <baldrick@free.fr>
960 * except.h (lang_eh_type_covers): Remove.
961 * except.c (lang_eh_type_covers): Likewise.
963 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
964 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
966 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
967 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
968 UNITS_PER_LONG where it is ABI relevant.
969 (s390_return_addr_rtx): Likewise.
970 (s390_back_chain_rtx): Likewise.
971 (s390_frame_area): Likewise.
972 (s390_frame_info): Likewise.
973 (s390_initial_elimination_offset): Likewise.
974 (save_gprs): Likewise.
975 (s390_emit_prologue): Likewise.
976 (s390_emit_epilogue): Likewise.
977 (s390_function_arg_advance): Likewise.
978 (s390_function_arg): Likewise.
979 (s390_va_start): Likewise.
980 (s390_gimplify_va_arg): Likewise.
981 (s390_function_profiler): Likewise.
982 (s390_optimize_prologue): Likewise.
983 (s390_rtx_costs): Likewise.
984 (s390_secondary_reload): Likewise.
985 (s390_promote_function_mode): Likewise.
986 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
987 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
989 (s390_unwind_word_mode): New function.
990 (s390_function_value): Split 64 bit values into register pair if
991 used as return value.
992 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
993 function call parameters. Handle parallels.
994 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
995 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
996 (DWARF_CIE_DATA_ALIGNMENT): New macro.
997 (s390_expand_setmem): Remove unused variable src_addr.
998 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
999 deal with 64 bit registers.
1000 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1001 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1002 (UNITS_PER_LONG): New macro.
1003 * libjava/include/s390-signal.h: Define extended ucontext
1004 structure containing the upper halfs of the 64 bit registers.
1006 2010-04-13 Simon Baldwin <simonb@google.com>
1008 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1010 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1012 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1013 rvalue on the RHS if the LHS is of a non-renamable type.
1014 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1016 2010-04-13 Matthias Klose <doko@ubuntu.com>
1018 * gcc.c (cc1_options): Handle -iplugindir before processing
1019 the cc1 spec. Only add -iplugindir once.
1020 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1022 * common.opt (iplugindir): Remove `Separate' property, initialize.
1023 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1025 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1026 (distclean): Remove plugin dir.
1027 * doc/invoke.texi: Document -iplugindir.
1029 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1031 * doc/plugins.texi (Loading Plugins): Document short
1032 -fplugin=foo option.
1033 (Plugin API): Mention default_plugin_dir_name function.
1035 * gcc.c (find_file_spec_function): Add new declaration.
1036 (static_spec_func): Use it for "find-file".
1037 (find_file_spec_function): Add new function.
1038 (cc1_options): Add -iplugindir option if -fplugin* options found.
1040 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1042 * plugin.c (add_new_plugin): Updated comment, and handle short
1044 (default_plugin_dir_name): Added new function.
1046 * common.opt (iplugindir): New option to set the plugin directory.
1048 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1050 * config/i386/i386.md (any_rotate): New code iterator.
1051 (rotate_insn): New code attribute.
1053 (SWIM124): New mode iterator.
1054 (<rotate_insn>ti3): New expander.
1055 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1056 any_rotate code iterator.
1057 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1058 using any_rotate code iterator and SWIM124 mode iterator.
1059 (ix86_rotlti3): New insn_and_split pattern.
1060 (ix86_rotrti3): Ditto.
1061 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1062 ix86_rotl{di,ti}3 patterns.
1063 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1064 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1065 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1066 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1067 code iterator and SWI mode iterator.
1068 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1069 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1071 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1072 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1073 (bswap rotatert splitter): Add splitter.
1074 (bswap splitter): Macroize splitter using any_rotate code iterator.
1075 Add insn predicate to split only for TARGET_USE_XCHGB or when
1076 optimizing function for size.
1078 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1080 * config/pa/pa.c (emit_move_sequence): Remove use of
1081 deleted variable flag_argument_noalias.
1083 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1085 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1087 Add to unsupported targets list.
1088 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1089 sparc*-sun-solaris2.[567]* from target lists.
1090 * configure: Regenerate.
1091 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1093 Remove Solaris 7 patch references.
1094 (Specific, sparc-sun-solaris2.7): Removed.
1095 (sparc-sun-solaris2*): Update Solaris 7 example.
1096 (sparc64-*-solaris2*): Likewise.
1098 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1100 * config.build (alpha*-dec-osf4*): Remove.
1101 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1102 of obsolete configurations.
1103 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1105 * config/alpha/t-osf4: Renamed to ...
1106 * config/alpha/t-osf5: ... this.
1107 * config/alpha/osf.h: Renamed to ...
1108 * config/alpha/osf5.h: ... this.
1109 Merged old osf5.h contents.
1111 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1112 (EXTRA_SPECS): Removed.
1113 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1114 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1117 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1119 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1121 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1124 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1125 __thiscall convention.
1127 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1129 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1131 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1133 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1135 * function.c (assign_parms_initialize_all): Add unused attribute
1138 2010-04-12 Richard Guenther <rguenther@suse.de>
1140 * gsstruct.def (GSS_CALL): New.
1141 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1142 * gimple.h: Include tree-ssa-alias.h.
1143 (struct gimple_statement_call): New.
1144 (union gimple_statement_struct_d): Add gimple_call member.
1145 (gimple_call_reset_alias_info): Declare.
1146 (gimple_call_use_set): New function.
1147 (gimple_call_clobber_set): Likewise.
1148 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1149 * gimple.c (gimple_call_reset_alias_info): New function.
1150 (gimple_build_call_1): Call it.
1151 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1152 * tree-inline.c (remap_gimple_stmt): Likewise.
1153 (expand_call_inline): Remove callused handling.
1154 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1155 * tree-dfa.c (dump_variable): Likewise.
1156 * tree-parloops.c (parallelize_loops): Likewise.
1157 * tree-ssa.c (init_tree_ssa): Likewise.
1158 (delete_tree_ssa): Likewise.
1159 * tree-flow-inline.h (is_call_used): Remove.
1160 * tree-flow.h (struct gimple_df): Remove callused member.
1161 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1162 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1163 (ref_maybe_used_by_call_p_1): Simplify.
1164 (call_may_clobber_ref_p_1): Likewise.
1165 * tree-ssa-structalias.c (compute_points_to_sets): Set
1166 the call stmt used and clobbered sets.
1167 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1168 (find_tail_calls): Verify the tail call.
1170 2010-04-12 Richard Guenther <rguenther@suse.de>
1172 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1173 single-iteration always-inline inlining.
1174 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1175 (cgraph_decide_inlining): Do not handle always-inline specially.
1176 (try_inline): Remove always-inline cycle detection special case.
1177 Do not recurse on always-inlines.
1178 (cgraph_early_inlining): Do not iterate if not optimizing.
1179 (cgraph_gate_early_inlining): remove.
1180 (pass_early_inline): Run unconditionally.
1181 (gate_cgraph_decide_inlining): New function.
1182 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1183 not inlining or optimizing.
1184 (cgraph_decide_inlining_of_small_functions): Also consider
1185 always-inline functions.
1186 (cgraph_default_inline_p): Return true for nodes which should
1187 disregard inline limits.
1188 (estimate_function_body_sizes): Assume zero size and time for
1189 nodes which are marked as disregarding inline limits.
1190 (cgraph_decide_recursive_inlining): Do not perform recursive
1191 inlining on always-inline nodes.
1193 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1196 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1197 for exprs satisfying handled_component_p.
1199 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1201 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1202 non-constant aggregate elements.
1204 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1205 is a real initialization.
1207 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1210 * c-decl.c (start_function): Move forward check for nested function.
1212 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1214 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1215 * config/sh/sh.c: Include reload.h.
1216 (sh_legitimize_reload_address): New.
1217 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1218 sh_legitimize_reload_address.
1220 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1222 * config/sh/sh.md (*movqi_pop): New insn pattern.
1223 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1225 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1227 * config/i386/i386.md (any_shiftrt): New code iterator.
1228 (shiftrt_insn): New code attribute.
1230 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1231 using any_shiftrt code iterator.
1232 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1233 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1234 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1235 pattern from corresponding peephole2 patterns.
1236 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1237 using any_shiftrt code iterator.
1238 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1239 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1240 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1241 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1242 *{ashr,lshr}<mode>3_cmp_zext.
1243 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1245 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1247 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1249 (*lshr<mode>3_cconly): Ditto.
1251 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1253 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1254 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1255 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1256 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1258 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1259 from corresponding peephole2 patterns.
1260 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1261 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1262 and *lshrdi3_1_rex64 using SWI mode iterator.
1263 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1264 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1265 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1266 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1267 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1268 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1269 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1270 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1271 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1274 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1276 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1277 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1278 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1279 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1281 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1282 from corresponding peephole2 patterns.
1283 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1284 (ashrsi3_cvt): Rename from ashrsi3_31.
1285 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1286 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1287 and x86_64_shift_adj_3 using SWI48 mode iterator.
1288 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1289 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1290 and *ashrdi3_1_rex64 using SWI mode iterator.
1291 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1292 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1293 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1294 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1295 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1296 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1297 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1298 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1299 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1301 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1302 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1303 x86_shift<mode>_adj_3 expanders.
1305 2010-04-10 Wei Guozhi <carrot@google.com>
1308 * config/arm/arm.c (arm_pic_static_addr): New function.
1309 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1311 (arm_output_addr_const_extra): Output expression for new pattern.
1312 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1314 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1316 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1319 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1320 * web.c: Include "insn-config.h" and "recog.h".
1321 (union_match_dups): New function.
1322 (web_main): Call it.
1323 (union_defs): Don't try to recognize match_dups.
1325 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1326 if doing so would replace the entire pattern.
1328 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1332 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1333 and splitter pattern. Change splitter operand 1 predicate to
1336 2010-04-09 Martin Jambor <mjambor@suse.cz>
1338 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1339 lattices are addresses of CONST_DECLs with the same initial value.
1340 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1341 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1343 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1344 Bernd Schmidt <bernds@codesourcery.com>
1346 * loop-invariant.c (replace_uses): New static function.
1347 (move_invariant_reg): Use it to ensure we can replace the uses.
1349 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1351 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1353 (picochip_override_options): Enable section anchors only above -O1.
1354 (picochip_reorg): Fixed a couple of build warnings.
1356 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1358 * configure.ac (plugin -rdynamic test): Log result.
1359 * configure: Regenerate.
1360 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1361 (RDYNAMIC_SPEC): Define.
1362 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1364 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1366 * configure.ac: Determine Sun ld version numbers.
1367 (comdat_group): Restrict GNU ld version checks to gld.
1368 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1369 (enable_comdat): Support --enable-comdat.
1370 * configure: Regenerate.
1371 * doc/install.texi (Configuration): Document --enable-comdat.
1373 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1375 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1376 * config/sol2-gld.h: ... here.
1377 * config.gcc (sparc*-*-solaris2*): Reflect this.
1378 (i[34567]86-*-solaris2*): Use it.
1380 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1382 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1384 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1386 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1389 * diagnostic.c (diagnostic_initialize): Initialize
1390 some_warnings_are_errors.
1391 (diagnostic_finish): New.
1392 (diagnostic_action_after_output): Call it before exiting.
1393 (diagnostic_report_diagnostic): Do not print message here. Set
1394 some_warnings_are_errors.
1395 * diagnostic.h (diagnostic_context): Delete
1396 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1397 (diagnostic_finish): Declare.
1398 * toplev.c (toplev_main): Call it before exit.
1400 2010-04-09 Jason Merrill <jason@redhat.com>
1403 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1404 for incomplete type.
1407 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1408 based on a warning flag.
1410 2010-04-09 Richard Guenther <rguenther@suse.de>
1412 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1414 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1417 * varasm.c (default_assemble_visibility): Wrap vars that are
1418 set, but unused, by targets without GAS.
1419 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1420 Remove set, but unused, vars.
1421 (rs6000_legitimize_tls_address): Likewise.
1422 (altivec_expand_dst_builtin): Likewise.
1423 * config/darwin.c (machopic_classify_symbol): Likewise.
1424 (machopic_indirection_name): Likewise.
1426 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1428 * config/i386/i386.md (DWI): New mode iterator.
1429 (S): New mode attribute.
1430 (shift_operand): Ditto.
1431 (shift_immediate_operand): Ditto.
1432 (ashl_input_operand): Ditto.
1433 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1434 using SDWIM mode iterator.
1435 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1436 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1438 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1439 from corresponding peephole2 patterns.
1440 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1441 and x86_64_shift_adj_1 using SWI48 mode iterator.
1442 (x86_shift<mode>_adj_2): Ditto.
1443 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1444 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1445 using SWI48 mode iterator.
1446 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1447 *ashldi3_cmp_rex64 using SWI mode iterator.
1448 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1449 *ashldi3_cconly_rex64 using SWI mode iterator.
1450 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1451 x86_shift<mode>_adj_{1,2}.
1452 (ix86_split_ashr): Ditto.
1453 (ix86_split_lshr): Ditto.
1455 2010-04-09 Richard Guenther <rguenther@suse.de>
1457 * target.h (builtin_conversion): Pass in input and output types.
1458 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1459 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1460 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1461 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1463 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1465 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1467 2010-04-09 Richard Guenther <rguenther@suse.de>
1470 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1472 2010-04-09 Richard Guenther <rguenther@suse.de>
1474 * tree-vectorizer.h (struct _stmt_vec_info): Document
1475 that vectype is the type of the LHS.
1476 (supportable_widening_operation, supportable_narrowing_operation):
1477 Get both input and output vector types as arguments.
1478 (vect_is_simple_use_1): Declare.
1479 (get_same_sized_vectype): Likewise.
1480 * tree-vect-loop.c (vect_determine_vectorization_factor):
1481 Set STMT_VINFO_VECTYPE to the vector type of the def.
1482 (vectorizable_reduction): Adjust.
1483 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1484 Adjust. Specify the output vector type.
1485 (vect_pattern_recog_1): Adjust.
1486 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1487 (vectorizable_call): Adjust.
1488 (vectorizable_conversion): Likewise.
1489 (vectorizable_operation): Likewise.
1490 (vectorizable_type_demotion): Likewise.
1491 (vectorizable_type_promotion): Likewise.
1492 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1494 (vect_is_simple_use_1): New function.
1495 (supportable_widening_operation): Get both input and output
1497 (supportable_narrowing_operation): Likewise.
1498 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1500 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1502 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1503 __thiscall and _thiscall as predefined macros.
1504 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1505 thiscall attribute handling.
1506 (ix86_comp_type_attributes): Likewise.
1507 (ix86_function_regparm): Likewise.
1508 (ix86_return_pops_args): Likewise.
1509 (init_cumulative_args): Likewise.
1510 (find_drap_reg): Likewise.
1511 (ix86_static_chain): Likewise.
1512 (x86_this_parameter): Likewise.
1513 (x86_output_mi_thunk): Likewise.
1514 (ix86_attribute_table): Add description for thiscall attribute.
1515 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1516 * doc/extend.texi: Add documentation for thiscall.
1518 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1521 * c.opt (Wint-to-pointer-cast): Available in C++.
1522 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1524 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1526 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1527 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1528 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1529 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1530 function type instead. Reorder and simplify checks.
1532 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1534 2010-04-08 Jing Yu <jingyu@google.com>
1535 Zdenek Dvorak <ook@ucw.cz>
1537 PR tree-optimization/42720
1538 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1539 loop unswitch conditions here from ...
1540 (tree_unswitch_single_loop): ... here.
1542 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1544 * tree-if-conv.c: Fix comments and simplify logic.
1546 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1548 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1549 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1550 (main_tree_if_conversion): Update call to tree_if_conversion.
1552 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1555 * doc/invoke.texi (-b,-V): Delete.
1556 * doc/tm.texi: Do not mention -b.
1557 * gcc.c (display_help): Delete -b and -V.
1558 (process_command): Delete -b and -V.
1559 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1561 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1562 Wolfgang Gellerich <gellerich@de.ibm.com>
1564 Implement target hook for loop unrolling
1565 * target.h (loop_unroll_adjust): Add a new target hook function.
1566 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1567 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1568 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1569 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1570 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1572 (decide_unroll_stupid): Likewise.
1574 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1577 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1579 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1581 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1582 (Specific, *-*-solaris2*): Likewise.
1583 Don't prefer Sun as over GNU as.
1585 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1587 * config/s390/s390.c (override_options): Adjust the z10
1588 defaults for max-unroll-times, max-completely-peeled-insns
1589 and max-completely-peel-times.
1591 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1593 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1594 instructions for z10.
1595 (s390_expand_setmem): Likewise.
1596 (s390_expand_cmpmem): Likewise.
1598 2010-04-08 Richard Guenther <rguenther@suse.de>
1600 PR tree-optimization/43679
1601 * tree-ssa-pre.c (eliminate): Only propagate copies.
1603 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1606 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1607 set but not used variable warning.
1609 2010-04-08 Wei Guozhi <carrot@google.com>
1612 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1613 (arm_size_rtx_costs): Call the new function when optimized for size.
1615 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1618 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1619 op0 is not a MEM, just return NULL instead of assertion
1621 (discover_nonconstant_array_refs): Don't walk debug stmts.
1623 2010-04-08 Doug Kwan <dougkwan@google.com>
1625 * configure.ac: Recognize gold and do not use its version number
1626 to test ld features.
1627 * configure: Regenerate.
1629 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1632 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1633 (negate_value): Move code to push elements to broken_up_substracts ...
1634 (eliminate_plus_minus_pair): ... here. Push operands that have no
1635 negative pair to plus_negates.
1636 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1638 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1640 * doc/install.texi (Configuration): Move description of
1641 --enable-lto, --with-libelf*, --enable-gold from Java section to
1644 * doc/generic.texi (Working with declarations)
1645 (Function Properties, C and C++ Trees): Fix typos.
1646 * doc/sourcebuild.texi (Top Level): Likewise.
1648 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1651 * tree.h (DECL_READ_P): Define.
1652 (struct tree_decl_common): Add decl_read_flag.
1653 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1654 a set but not used warning.
1655 (merge_decls): Merge DECL_READ_P flag.
1656 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1657 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1658 * c-common.c (handle_used_attribute, handle_unused_attribute):
1660 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1662 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1664 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1665 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1666 c_parser_binary_expression, c_parser_cast_expression,
1667 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1668 Call default_function_array_read_conversion instead of
1669 default_function_array_conversion where needed.
1670 (c_parser_unary_expression, c_parser_conditional_expression,
1671 c_parser_postfix_expression_after_primary, c_parser_initelt):
1672 Likewise. Call mark_exp_read where needed.
1673 (c_parser_statement_after_labels, c_parser_asm_operands,
1674 c_parser_typeof_specifier, c_parser_sizeof_expression,
1675 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1677 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1679 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1680 (warn_unused_but_set_parameter): Default to warn_unused
1682 * doc/invoke.texi: Document -Wunused-but-set-variable and
1683 -Wunused-but-set-parameter.
1685 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1686 used count variable.
1687 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1688 when operandN variables aren't used in the body of the expander
1690 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1691 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1692 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1693 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1694 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1695 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1696 * tree.c (PROCESS_ARG): Likewise.
1698 2010-04-07 Simon Baldwin <simonb@google.com>
1700 * diagnostic.h (diagnostic_override_option_index): New macro to
1701 set a diagnostic's option_index.
1702 * c-tree.h (c_cpp_error): Add warning reason argument.
1703 * opts.c (_warning_as_error_callback): New.
1704 (register_warning_as_error_callback): Store callback for
1705 warnings enabled via enable_warning_as_error.
1706 (enable_warning_as_error): Call callback, minor code tidy.
1707 * opts.h (register_warning_as_error_callback): Declare.
1708 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1709 response to -Werror=.
1710 (c_common_init_options): Register warning_as_error_callback in opts.c.
1711 * common.opt: Add -Wno-cpp option.
1712 * c-common.c (struct reason_option_codes_t): Map cpp warning
1713 reason codes to gcc option indexes.
1714 * (c_option_controlling_cpp_error): New function, lookup the gcc
1715 option index for a cpp warning reason code.
1716 * (c_cpp_error): Add warning reason argument, call
1717 c_option_controlling_cpp_error for diagnostic_override_option_index.
1718 * doc/invoke.texi: Document -Wno-cpp.
1720 2010-04-07 Richard Guenther <rguenther@suse.de>
1722 * ipa-reference.c (mark_load): Use get_base_address.
1723 (mark_store): Likewise.
1725 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1726 inserting GIMPLE_NOPs into the IL.
1727 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1728 Explicitly strip handled components and indirect references.
1730 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1731 folding address expressions.
1732 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1733 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1734 operand_equal_p to compare decls.
1735 (ptr_deref_may_alias_decl_p): Likewise.
1736 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1737 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1738 Handle reversed comparison ops.
1739 * tree-sra.c (asm_visit_addr): Use get_base_address.
1740 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1741 * ipa-reference.c (mark_address): Use get_base_address.
1743 2010-04-07 Richard Guenther <rguenther@suse.de>
1745 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1746 Propagate constants everywhere.
1748 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1751 * tree.c (MAX_INT_CACHED_PREC): Define.
1752 (nonstandard_integer_type_cache): New array.
1753 (build_nonstandard_integer_type): Cache results for precision
1754 <= MAX_INT_CACHED_PREC.
1756 2010-04-07 Richard Guenther <rguenther@suse.de>
1758 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1759 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1760 * common.opt: Likewise.
1761 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1762 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1763 (nonoverlapping_memrefs_p): Likewise.
1764 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1765 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1766 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1767 OPT_fargument_noalias_global for backward compatibility.
1769 2010-04-07 Richard Guenther <rguenther@suse.de>
1771 PR tree-optimization/43270
1772 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1773 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1774 * tree-ssa-pre.c (phi_translate_1): Adjust.
1775 (fully_constant_expression): Split out vn_reference handling to ...
1776 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1777 Fold reads from constant strings.
1778 (vn_reference_lookup): Handle fully constant references.
1779 (vn_reference_lookup_pieces): Likewise.
1780 * Makefile.in (expmed.o-warn): Add -Wno-error.
1782 2010-04-07 Martin Jambor <mjambor@suse.cz>
1784 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1786 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1789 * gcc.c: Add -static-libstdc++ to list of recognized options.
1791 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1793 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1795 2010-04-07 Richard Guenther <rguenther@suse.de>
1798 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1799 bases build simple mem attributes to retain points-to information.
1801 2010-04-07 Richard Guenther <rguenther@suse.de>
1804 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1805 preserve points-to related information.
1807 2010-04-07 Richard Guenther <rguenther@suse.de>
1810 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1811 discard plain indirect references.
1812 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1813 * tree.c (tree_nop_conversion): Likewise.
1815 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1818 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1820 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1822 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1823 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1825 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1827 * tree-if-conv.c: Fix indentation and comments.
1829 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1831 * tree-if-conv.c: Sort static functions in topological order.
1833 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1835 * tree-if-conv.c: Fix indentation and comments.
1837 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1840 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1841 lang_hooks.types.type_for_size instead of
1842 build_nonstandard_integer_type.
1843 When converting an unsigned type to signed, double its precision.
1844 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1845 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1846 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1849 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1852 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1853 POINTER_PLUS_EXPR for pointer types.
1855 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1858 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1859 * graphite-clast-to-gimple.c: Include langhooks.h.
1860 (max_signed_precision_type): New.
1861 (max_precision_type): Takes two types as arguments.
1862 (precision_for_value): New.
1863 (precision_for_interval): New.
1864 (gcc_type_for_interval): New.
1865 (gcc_type_for_value): New.
1866 (gcc_type_for_clast_term): New.
1867 (gcc_type_for_clast_red): New.
1868 (gcc_type_for_clast_bin): New.
1869 (gcc_type_for_clast_expr): Split up into several functions.
1870 (gcc_type_for_clast_eq): Rewritten.
1871 (compute_bounds_for_level): New.
1872 (compute_type_for_level_1): New.
1873 (compute_type_for_level): New.
1874 (gcc_type_for_cloog_iv): Removed.
1875 (gcc_type_for_iv_of_clast_loop): Rewritten.
1876 (graphite_create_new_loop): Compute the lower and upper bound types
1877 with gcc_type_for_clast_expr.
1878 (graphite_create_new_loop_guard): Same.
1879 (find_cloog_iv_in_expr): Removed.
1880 (compute_cloog_iv_types_1): Removed.
1881 (compute_cloog_iv_types): Removed.
1882 (gloog): Do not call compute_cloog_iv_types.
1883 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1885 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1886 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1887 (GBB_CLOOG_IV_TYPES): Removed.
1889 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1891 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1892 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1893 (detect_commutative_reduction): Same.
1895 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1897 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1898 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1900 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1901 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1902 (rewrite_commutative_reductions_out_of_ssa): Same.
1903 * passes.c (execute_function_todo): Call verify_ssa for every pass
1904 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1905 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1906 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1907 with an extra argument.
1908 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1909 verify_ssa only when the extra argument is true.
1910 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1911 with an extra argument.
1912 (tree_transform_and_unroll_loop): Same.
1914 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1916 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1917 for all the passes of the LNO having LOOP_CLOSED_SSA.
1918 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1919 * tree-loop-distribution.c (pass_loop_distribution): Same.
1920 * tree-pass.h (TODO_verify_loops): Removed.
1921 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1923 (pass_tree_unswitch): Same.
1924 (pass_predcom): Same.
1925 (pass_vectorize): Same.
1926 (pass_linear_transform): Same.
1927 (pass_graphite_transforms): Same.
1928 (pass_iv_canon): Same.
1929 (pass_complete_unroll): Same.
1930 (pass_complete_unrolli): Same.
1931 (pass_parallelize_loops): Same.
1932 (pass_loop_prefetch): Same.
1933 (pass_iv_optimize): Same.
1935 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1938 * passes.c (init_optimization_passes): Move pass_lim before
1939 pass_copy_prop and pass_dce_loop.
1941 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1944 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1945 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1946 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1947 MULTI_* defines for 4 argument vpermil2p* builtins.
1949 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1951 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1952 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1953 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1954 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1955 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1956 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1957 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1958 Use x86_maybe_negate_const_int to output insn mnemonic.
1959 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1960 check from instruction predicate. Update comments.
1961 * config/i386/sync.md (sync_add<mode>): Use
1962 x86_maybe_negate_const_int to output insn mnemonic.
1964 2010-04-06 Jan Hubicka <jh@suse.cz>
1966 PR tree-optimization/42906
1967 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1968 IGNORE_SELF argument. Set visited_control_parents for fully
1970 (find_obviously_necessary_stmts): Update call of
1971 mark_control_dependent_edges_necessary.
1972 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1974 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1976 * config/i386/i386.md: Remove comment about 'e' and 'E'
1979 2010-04-06 Richard Guenther <rguenther@suse.de>
1981 PR tree-optimization/43627
1982 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1983 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1986 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1988 * BASE-VER: Change to 4.6.0.
1991 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1994 2010-04-06 Richard Guenther <rguenther@suse.de>
1997 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1999 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2001 * doc/invoke.texi (Optimize Options): Document that LTO
2002 won't remove object access purely due to incompatible
2005 2010-04-04 Matthias Klose <doko@ubuntu.com>
2007 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2008 Initialize variable.
2010 2010-04-03 Richard Guenther <rguenther@suse.de>
2013 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2014 require a non-NULL MEM_OFFSET.
2016 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2018 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2019 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2020 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2021 config/alpha/predicates.md, config/arm/arm.md,
2022 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2023 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2024 config/darwin9.h, config/darwin.c, config/darwin.h,
2025 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2026 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2027 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2028 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2029 config/mips/mips.md, config/mn10300/mn10300.c,
2030 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2031 config/rs6000/aix.h, config/rs6000/dfp.md,
2032 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2033 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2034 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2035 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2036 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2037 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2038 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2039 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2040 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2041 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2042 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2043 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2044 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2045 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2046 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2047 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2048 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2049 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2050 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2051 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2052 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2053 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2054 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2055 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2056 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2057 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2058 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2059 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2060 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2061 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2062 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2063 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2064 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2065 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2066 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2067 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2069 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2072 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2073 * aclocal.m4: Regenerate.
2075 2010-04-02 Richard Guenther <rguenther@suse.de>
2077 PR tree-optimization/43629
2078 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2079 if we have seen a constant value.
2081 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2083 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2085 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2088 * arm.c (legitimize_tls_address): Adjust call to
2089 gen_tls_load_dot_plus_four.
2090 (arm_note_pic_base): New function.
2091 (arm_cannot_copy_insn_p): Use it.
2092 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2095 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2100 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2102 * Makefile.in ($(out_object_file)): Depend on
2103 gt-$(basename $(notdir $(out_file))).h.
2105 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2107 * config.gcc (lm32-*-rtems*): Add t-lm32.
2109 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2111 * config.gcc: Add lm32-*-rtems*.
2112 * config/lm32/rtems.h: New file.
2114 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2117 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2119 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2121 * dwarf2out.c (output_compilation_unit_header): For
2122 -gdwarf-4 use version 4 instead of version 3.
2123 (output_line_info): For version 4 and above emit additional
2124 maximum ops per insn header field.
2125 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2127 * dwarf2out.c (is_c_family, is_java): Remove.
2128 (lower_bound_default): New function.
2129 (add_bound_info, gen_descr_array_type_die): Use it.
2131 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2134 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2135 re-declaration when it happens in a function.
2137 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2139 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2140 (cgraph_remove_function_insertion_hook): Same.
2141 (cgraph_call_function_insertion_hooks): Same.
2143 2010-04-01 Richard Guenther <rguenther@suse.de>
2146 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2147 and TREE_THIS_VOLATILE.
2148 (copy_ref_info): Likewise.
2149 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2150 * tree.c (build6_stat): Ignore side-effects of all but arg5
2151 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2154 2010-04-01 Richard Guenther <rguenther@suse.de>
2156 PR tree-optimization/43607
2157 * ipa-type-escape.c (check_call): Do not access non-existing
2160 2010-04-01 Richard Guenther <rguenther@suse.de>
2164 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2165 Jack Howarth <howarth@bromo.med.uc.edu>
2167 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2170 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2172 * doc/install.texi (Prerequisites): Document libelf usability on
2173 IRIX 5/6 and Solaris 2.
2174 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2175 Update GNU as, GNU ld requirements.
2176 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2177 Document Sun Studio compiler download.
2178 Update and simplify as, ld recommendations.
2179 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2181 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2183 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2184 with_tune_32 to pentium4.
2186 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2188 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2190 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2192 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2193 obsoletion, removal.
2195 Document GNU as requirement.
2196 Update configure requirements.
2197 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2198 Recomment IRIX 6.5.18+.
2199 Document IDF/IDL requirement.
2200 Document GNU as requirement.
2201 Document GNU ld bootstrap failure.
2202 Remove freeware.sgi.com reference.
2204 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2206 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2207 UNIX V4.0, V5.0 obsoletion, removal.
2208 Remove --with-gc=simple reference.
2209 Update VM requirements during bootstrap.
2210 Remove -oldas bootstrap description.
2211 Update binutils reference.
2212 Remove comparison failure note.
2214 2010-03-31 Richard Guenther <rguenther@suse.de>
2215 Zdenek Dvorak <ook@ucw.cz>
2216 Sebastian Pop <sebastian.pop@amd.com>
2219 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2220 with multiple arguments.
2221 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2223 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2225 * graphite-dependences.c (print_pddr): Call print_pdr with an
2227 * graphite-poly.c (debug_pdr): Add an extra argument for the
2230 (print_pbb_domain): Same.
2232 (print_scop_context): Same.
2234 (print_cloog): Same.
2235 (debug_pbb_domain): Same.
2239 (debug_scop_context): Same.
2241 (debug_cloog): Same.
2242 (print_scop_params): Same.
2243 (debug_scop_params): Same.
2244 (print_iteration_domain): Same.
2245 (print_iteration_domains): Same.
2246 (debug_iteration_domain): Same.
2247 (debug_iteration_domains): Same.
2248 (print_scattering_function): Same.
2249 (print_scattering_functions): Same.
2250 (debug_scattering_function): Same.
2251 (debug_scattering_functions): Same.
2252 * graphite-poly.h (debug_pdr): Update declaration.
2254 (print_pbb_domain): Same.
2256 (print_scop_context): Same.
2258 (print_cloog): Same.
2259 (debug_pbb_domain): Same.
2263 (debug_scop_context): Same.
2265 (debug_cloog): Same.
2266 (print_scop_params): Same.
2267 (debug_scop_params): Same.
2268 (print_iteration_domain): Same.
2269 (print_iteration_domains): Same.
2270 (debug_iteration_domain): Same.
2271 (debug_iteration_domains): Same.
2272 (print_scattering_function): Same.
2273 (print_scattering_functions): Same.
2274 (debug_scattering_function): Same.
2275 (debug_scattering_functions): Same.
2277 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2279 * graphite-poly.c (print_scattering_function_1): New.
2280 (print_scattering_function): Call it.
2281 (print_scop_params): Remove spaces at the end of lines.
2284 * graphite-poly.h (print_cloog): Declared.
2285 (debug_cloog): Declared.
2287 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2289 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2291 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2292 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2293 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2294 to switch between adding the IV bump in loop->latch or in loop->header.
2296 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2298 * graphite-poly.c (print_scattering_function): Pretty print following
2301 (print_pbb_domain): Same.
2302 (dump_gbb_cases): Same.
2303 (dump_gbb_conditions): Same.
2306 (print_scop_params): Same.
2307 (print_scop_context): Same.
2309 (print_pbb_body): New.
2310 (lst_indent_to): New.
2311 (print_lst): Start new lines with a #.
2312 * graphite-poly.h (pbb_bb): New.
2313 (pbb_index): Use pbb_bb.
2314 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2316 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2318 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2320 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2321 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2322 and 0 instead of 1 for dw_val_class_flag.
2323 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2324 dw_val_class_range_list, dw_val_class_loc_list,
2325 dw_val_class_lineptr and dw_val_class_macptr, use
2326 DW_FORM_flag_present for dw_val_class_flag and
2327 DW_FORM_exprloc for dw_val_class_loc.
2328 (output_die): For -gdwarf-4 print dw_val_class_loc
2329 size as uleb128 instead of 1 or 2 bytes and don't print
2330 anything for dw_val_class_flag.
2332 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2333 instead of cselib_lookup following by tweaking locs->setting_insn.
2336 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2337 even before returning from label, setjmp call or volatile asm
2340 2010-03-31 Richard Guenther <rguenther@suse.de>
2343 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2344 temporary data on stack.
2346 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2348 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2349 (PUSHSECTION_ASM_OP): Remove.
2350 (POPSECTION_ASM_OP): Remove.
2351 (PUSHSECTION_FORMAT): Remove.
2352 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2353 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2354 * config/sol2.c (solaris_output_init_fini): Use it.
2356 2010-03-31 Jie Zhang <jie@codesourcery.com>
2359 * opt-functions.awk (var_type_struct): Use signed char type
2360 for simple variables.
2362 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2364 * config/sol2.c: Include output.h.
2365 (solaris_assemble_visibility): New function.
2366 * config/t-sol2 (sol2.o): Add output.h dependency.
2367 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2368 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2371 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2374 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2375 V2SImode or XFmode on PRE_DEC.
2378 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2381 2010-03-31 Jie Zhang <jie@codesourcery.com>
2384 * reload.h (caller_save_initialized_p): Declare.
2385 * toplev.c (backend_init_target): Don't call
2386 init_caller_save but set caller_save_initialized_p to false.
2387 * caller-save.c (caller_save_initialized_p): Define.
2388 (init_caller_save): Check caller_save_initialized_p.
2389 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2391 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2394 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2395 and soft-fp/t-softfp to tmake_file.
2396 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2397 (LIBGCC2_TF_CEXT): Define.
2400 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2403 * cselib.c (n_useless_values): Document handling of debug locs.
2404 (n_useless_debug_values, n_debug_values): New variables.
2405 (new_elt_loc_list): Don't add to debug values, keep count.
2406 (promote_debug_loc): New.
2407 (cselib_reset_table): Zero new variables.
2408 (entry_and_rtx_equal_p): Promote debug locs.
2409 (discard_useless_locs): Increment n_useless_debug_values for
2411 (remove_useless_values): Adjust n_useless_values and n_debug_values
2412 with n_useless_debug_values.
2413 (add_mem_for_addr): Promote debug locs.
2414 (cselib_lookup_mem): Likewise.
2415 (cselib_lookup_addr): Renamed to...
2416 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2417 (cselib_log_lookup): ... this. Turn into...
2418 (cselib_lookup_addr): ... new wrapper.
2419 (cselib_lookup_from_insn): New.
2420 (cselib_invalidate_regno): Increment n_useless_debug_values for
2422 (cselib_invalidate_mem): Likewise.
2423 (cselib_process_insn): Take n_deleted and n_debug_values into
2424 account to guard remove_useless_value call.
2425 (cselib_finish): Zero n_useless_debug_values.
2426 * cselib.h (cselib_lookup_from_insn): Declare.
2427 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2428 (sched_analyze_2): Likewise.
2430 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2432 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2434 (adjust_mems): Replace narrowing SUBREG of expression containing
2435 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2436 with operations in the narrower mode.
2439 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2440 regs_invalidated_by_call instead all call_used_reg_set registers.
2442 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2445 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2446 pointer comparisons with types_compatible_p.
2447 * tree-vect-stmts.c (vectorizable_call): Same.
2448 (vectorizable_condition): Same.
2450 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2452 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2453 stack check if the mask would be zero.
2455 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2456 Jack Howarth <howarth@bromo.med.uc.edu>
2458 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2461 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2464 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2466 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2467 Include ___unordxf2 and ___unordtf2.
2468 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2471 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2473 * config/lm32/t-lm32: New file.
2474 * config.gcc: Use the above file when targetting lm32.
2476 2010-03-28 Duncan Sands <baldrick@free.fr>
2478 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2480 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2483 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2484 Improve vectorization cost model diagnostic.
2486 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2489 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2490 compute_data_dependences_for_loop returns false, early exit
2491 and output an extra diagnostic for the failed data reference
2494 2010-03-29 Richard Guenther <rguenther@suse.de>
2496 PR tree-optimization/43560
2497 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2498 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2500 2010-03-29 Jie Zhang <jie@codesourcery.com>
2503 * toplev.c (process_options): Set optimization_default_node
2504 and optimization_current_node.
2505 * opts.c (decode_options): Don't set optimization_default_node
2506 and optimization_current_node.
2508 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2510 * config/rtems.h: Abandon -qrtems_debug.
2512 2010-03-28 Jan Hubicka <jh@suse.cz>
2514 PR tree-optimization/43505
2515 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2516 map should not be copied.
2518 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2521 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2522 cdtors, set DECL_PRESERVE_P.
2523 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2526 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2528 PR tree-optimization/43528
2529 * stor-layout.c (place_field): Check that constant fits into
2530 unsigned HWI when skipping calculation of MS bitfield layout.
2532 2010-03-27 Jan Hubicka <jh@suse.cz>
2535 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2536 notice_global_symbol work.
2538 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2540 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2541 instead of dwarf2out_decl.
2542 (struct var_loc_node): Remove section_label field.
2543 (dwarf2out_function_decl): New function.
2544 (dwarf2out_var_location): Don't set section_label field.
2545 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2547 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2549 PR tree-optimization/43544
2550 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2551 First argument for builtin vectorized function hook is now a
2552 tree to be able to distinguish between machine specific and
2554 * targhooks.c (default_builtin_vectorized_function): Ditto.
2555 * targhooks.h (default_builtin_vectorized_function): Ditto.
2556 * target.h (struct gcc_target): Ditto.
2557 * tree-vect-stmts.c (vectorizable_function): Ditto.
2558 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2559 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2562 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2565 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2566 nested binding iff it is a FUNCTION_DECL.
2567 (store_parm_decls_newstyle): Pass nested=true to bind for
2568 FUNCTION_DECLs amongst parameters.
2570 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2572 * var-tracking.c (vt_expand_loc_callback): Don't run
2573 cselib_expand_value_rtx_cb in dummy mode if
2574 cselib_dummy_expand_value_rtx_cb returned false.
2576 * var-tracking.c (emit_note_insn_var_location): For one part
2577 notes with offset 0, don't add EXPR_LIST around the location.
2578 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2579 add_location_or_const_value_attribute): Adjust for that change.
2582 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2583 into first operand and location into second.
2584 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2585 dw_cfi_oprnd_loc for DW_CFA_expression.
2586 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2587 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2588 assume first argument is regnum and second argument is location.
2590 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2593 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2594 of scratch register to DImode. Split to DImode comparison operator.
2595 Use SImode subreg of scratch register in the multiplication.
2596 (*cmp_sadd_sidi): Ditto.
2597 (*cmp_ssub_si): Ditto.
2598 (*cmp_ssub_sidi): Ditto.
2600 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2603 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2604 Remove invalid assert and wrong comment.
2606 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2609 * flags.h (final_insns_dump_p): New extern.
2610 * final.c (final_insns_dump_p): New variable.
2611 (rest_of_clean_state): Set it before -fdump-final-insns=
2612 dumping, clear afterwards.
2613 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2614 MEM_ALIAS_SET on MEMs.
2616 2010-03-26 David S. Miller <davem@davemloft.net>
2618 * configure.ac: Fix sparc GOTDATA_OP bug check.
2619 * configure: Rebuild.
2621 2010-03-26 Alan Modra <amodra@gmail.com>
2623 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2625 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2627 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2628 TLS_SECTION_ASM_FLAG.
2630 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2633 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2634 Clear first_function_block_is_cold.
2637 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2638 argument if the argument is truth_value_p.
2640 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2642 * config/rs6000/constraints.md: Update copyright year for my changes.
2645 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2646 used in reg+reg addressing, swap registers.
2648 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2651 * target.h (struct gcc_target): Add code_end hook.
2652 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2654 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2655 * toplev.c (compile_file): Call targetm.asm_out.code_end
2656 hook before unwind info/debug info output.
2657 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2658 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2659 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2660 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2661 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2662 * config/i386/i386.c (ix86_file_end): Renamed to...
2663 (ix86_code_end): ... this. Make static. Don't call
2664 file_end_indicate_exec_stack. Emit unwind info using
2665 final_start_function/final_end_function.
2666 (darwin_x86_file_end): Remove.
2667 (TARGET_ASM_CODE_END): Define.
2668 * config/i386/i386.h (TARGET_ASM_FILE_END,
2669 NEED_INDICATE_EXEC_STACK): Don't define.
2670 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2671 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2672 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2673 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2676 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2677 at the beginning and final_end_function at the end.
2678 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2680 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2682 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2683 and Sun as TLS syntax.
2684 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2685 * configure: Regenerate.
2686 * config.in: Regenerate.
2687 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2688 (default_elf_asm_named_section): Use it.
2689 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2690 (i386_output_dwarf_dtprel): Likewise.
2691 (output_addr_const_extra): Likewise.
2692 (output_pic_addr_const): Lowercase @GOTTPOFF.
2693 (output_addr_const_extra): Likewise.
2694 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2695 (output_addr_const_extra): Likewise.
2696 (output_pic_addr_const): Lowercase @INDNTPOFF.
2697 (output_addr_const_extra): Likewise.
2698 (output_pic_addr_const): Lowercase @NTPOFF.
2699 (output_addr_const_extra): Likewise.
2700 (output_pic_addr_const): Lowercase @TPOFF.
2701 (output_addr_const_extra): Likewise.
2702 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2703 (*tls_global_dynamic_64): Likewise.
2704 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2705 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2707 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2708 (ASM_OUTPUT_TLS_COMMON): Use it.
2709 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2712 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2713 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2714 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2715 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2716 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2717 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2719 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2721 * config/i386/i386.c (override_options): Don't accept
2722 -mtls-dialect=sun any longer.
2723 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2724 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2725 (*tls_local_dynamic_base_32_sun): Likewise.
2726 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2728 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2731 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2732 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2735 * ira.c (adjust_cleared_regs): New function.
2736 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2740 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2742 * expr.c (expand_expr_real): Restore previous
2743 curr_insn_source_location and curr_insn_block after
2744 expand_expr_real_1 call.
2745 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2746 instead of expand_expr_real_1.
2748 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2750 PR rtl-optimization/43413
2751 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2754 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2757 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2758 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2760 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2762 * config/i386/i386.c (ix86_target_string): Add -mfma.
2763 Fix a typo in comment.
2765 2010-03-22 Mike Stump <mikestump@comcast.net>
2768 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2769 Don't overly align based upon packed packed fields.
2771 2010-03-22 Jason Merrill <jason@redhat.com>
2773 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2774 Use () rather than [], and move before the element type.
2776 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2778 * doc/configfiles.texi (Configuration Files): Removed
2779 fixinc/Makefile*, intl/Makefile.*.
2780 * doc/makefile.texi: Fixed markup. Abstract from version
2781 control system used.
2782 (Makefile): Removed obsolete gcc/java/parse.y example.
2783 * doc/sourcebuild.texi: Likewise.
2784 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2785 libgomp, libssp. Removed fastjar.
2786 (Miscellaneous Docs): Clarify location.
2787 Added COPYING3, COPYING3.LIB.
2788 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2790 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2793 * config/i386/i386.c (x86_function_profiler)
2794 [!NO_PROFILE_COUNTERS]: Fix typo.
2795 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2798 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2799 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2801 * doc/sourcebuild.texi (Test Directives): Split into six
2802 subsections, with most of the current text in new subsections
2803 Directives, Selectors, and Final Actions.
2804 (Directives): Split list of test directives into multiple
2806 (Selectors): Describe use and syntax of selectors.
2807 (Effective-Target Keywords): Describe all existing keywords.
2808 (Add Options): Describe features for dg-add-options.
2809 (Require Support): Describe variants of dg-require-support.
2810 (Final Actions): Describe commands to use in dg-final.
2812 2010-03-22 Michael Matz <matz@suse.de>
2815 * recog.c (validate_replace_rtx_group): Replace also in
2816 REG_EQUAL and REG_EQUIV notes.
2818 2010-03-22 Richard Guenther <rguenther@suse.de>
2820 PR tree-optimization/43390
2821 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2822 sure vector extracts are type correct.
2824 2010-03-22 Richard Guenther <rguenther@suse.de>
2827 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2828 x * sqrt (x) even when optimizing for size if the target
2829 has native support for sqrt.
2831 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2833 * varasm.c (make_decl_rtl_for_debug): Also clear
2834 flag_mudflap for the duration of make_decl_rtl call.
2837 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2838 locs from preserved VALUEs.
2840 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2843 * pa.md (movmemsi): Set align to one if zero.
2844 (movmemdi): Likewise.
2846 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2849 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2850 with their corresponding prologue pushes.
2852 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2855 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2856 at the begining or end.
2857 (spu_expand_epilogue): Likewise.
2859 2010-03-20 Richard Guenther <rguenther@suse.de>
2861 PR rtl-optimization/43438
2862 * combine.c (make_extraction): Properly zero-/sign-extend an
2863 extraction of the low part of a CONST_INT. Also handle
2866 2010-03-19 Mike Stump <mikestump@comcast.net>
2868 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2869 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2870 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2872 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2875 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2878 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2880 PR rtl-optimization/42258
2881 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2882 use that may match DEF.
2885 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2886 the cost of loading the constant rather than assuming
2888 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2889 outer code is AND, do the same tests as the andsi3 expander and
2890 return COSTS_N_INSNS (1) if and is cheap.
2892 * optabs.c (avoid_expensive_constant): Fix formatting.
2894 2010-03-19 Michael Matz <matz@suse.de>
2897 * attribs.c (decl_attributes): When rebuilding a function pointer
2898 type use the same qualifiers as the original pointer type.
2900 2010-03-19 Martin Jambor <mjambor@suse.cz>
2902 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2903 and is_gimple_ip_invariant_address.
2905 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2908 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2910 * config/arm/arm.c (arm_override_options): Turn off
2911 flag_dwarf2_cfi_asm for AAPCS variants.
2913 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2916 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2917 Use PRE_MODIFY instead of PRE_DEC.
2918 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2919 (vfp_emit_fstmd): Likewise.
2921 2010-03-19 Michael Matz <matz@suse.de>
2924 * builtins.c (expand_builtin_interclass_mathfn,
2925 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2928 2010-03-19 Richard Guenther <rguenther@suse.de>
2930 PR tree-optimization/43415
2931 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2932 (phi_translate_1): ... this.
2933 (phi_translate): Move all caching here. Cache all NARY
2934 and REFERENCE translations.
2936 2010-03-19 David S. Miller <davem@davemloft.net>
2938 With help from Eric Botcazou.
2939 * config/sparc/sparc.c: Include dwarf2out.h.
2940 (emit_pic_helper): Delete.
2941 (pic_helper_symbol_name): Delete.
2942 (pic_helper_emitted_p): Delete.
2943 (pic_helper_needed): New.
2944 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2945 (get_pc_thunk_name): New.
2946 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2947 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2948 Set pic_helper_needed to true. Don't call emit_pic_helper.
2949 (sparc_expand_prologue): Update load_pic_register call.
2950 (sparc_output_mi_thunk): Likewise.
2951 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2952 thunk if possible. Output CFI information as needed.
2954 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2955 Jack Howarth <howarth@bromo.med.uc.edu>
2958 * config/i386/i386.h: Fix ABI on darwin x86-32.
2960 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2962 * tree.h: Declare make_decl_rtl_for_debug.
2963 * varasm.c (make_decl_rtl_for_debug): New.
2964 * dwarf2out.c (rtl_for_decl_location): Call it.
2965 * cfgexpand.c (expand_debug_expr): Call it.
2967 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2970 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2974 * var-tracking.c (vt_init_cfa_base): Do nothing if
2975 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2977 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2980 * var-tracking.c (canonicalize_vars_star): New.
2981 (dataflow_post_merge_adjust): Use it.
2983 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2986 * var-tracking.c (non_suitable_const): New function.
2987 (add_uses): For DEBUG_INSNs with constants, don't record any
2988 value, instead just the constant value itself.
2989 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2990 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2991 (emit_notes_in_bb): Likewise.
2992 (emit_note_insn_var_location): For onepart variables if
2993 cur_loc is a VOIDmode constant, use DECL_MODE.
2995 2010-03-18 Martin Jambor <mjambor@suse.cz>
2998 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2999 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3000 all non-clones. Moved call redirection...
3001 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3002 (cgraph_materialize_all_clones): Dispose of all
3003 combined_args_to_skip bitmaps.
3004 (verify_cgraph_node): Do not check for edges pointing to wrong
3005 nodes in inline clones.
3006 * tree-inline.c (copy_bb): Call
3007 cgraph_redirect_edge_call_stmt_to_callee.
3008 * ipa.c (cgraph_remove_unreachable_nodes): Call
3009 cgraph_node_remove_callees even when there are used clones.
3011 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3013 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3015 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3018 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3021 2010-03-18 Michael Matz <matz@suse.de>
3024 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3025 into sqrt(x) if we need to preserve signed zeros.
3027 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3028 Eric Botcazou <ebotcazou@adacore.com>
3030 PR rtl-optimization/43360
3031 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3032 note if we don't know its invariant status.
3034 2010-03-18 Michael Matz <matz@suse.de>
3036 PR tree-optimization/43402
3037 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3038 PHI chains of ssa names registered for update.
3040 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3043 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3044 non-offsettable and pre_modify update addressing.
3045 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3046 and "2" alternatives "#".
3047 (*movdd_softfloat32): Make all alternatives "#";
3048 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3049 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3050 (*movdf_softfloat32): Make all alternatives "#";
3051 (movdi): Use the new DIFD mode iterator to create a common splitter
3052 for movdi, movdf and movdd patterns.
3054 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3056 * common.opt (dumpdir): Remove redundant tab.
3058 2010-03-17 Martin Jambor <mjambor@suse.cz>
3060 PR tree-optimization/43347
3061 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3062 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3064 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3066 PR rtl-optimization/42216
3067 * regrename.c (create_new_chain): New function, broken out from...
3068 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3069 appending a use to an empty chain.
3070 (build_def_use): Remove previous changes that convert OP_INOUT to
3071 OP_OUT operands; instead detect the case where an OP_INOUT operand
3072 uses a previously untracked register and create an empty chain for it.
3074 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3076 * doc/extend.texi (Function Attributes): Rewrite unfinished
3077 sentence in ms_abi documentation.
3079 2010-03-17 Alan Modra <amodra@gmail.com>
3081 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3082 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3083 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3084 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3086 2010-03-16 Richard Henderson <rth@redhat.com>
3089 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3090 (lower_try_finally): Save and restore eh_seq around the expansion
3093 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3095 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3096 statements before splitting block.
3098 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3100 * doc/sourcebuild.texi (Testsuites): Fix markup.
3101 Use pathnames relative to gcc/testsuite.
3102 (Test Directives): Move description of how timeout is determined.
3103 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3104 (C Tests): Correct gcc.misc-tests directory.
3105 Framework tests now live in gcc.test-framework.
3107 2010-03-16 Richard Guenther <rguenther@suse.de>
3110 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3111 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3113 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3114 Alexandre Oliva <aoliva@redhat.com>
3116 PR tree-optimization/42917
3117 * lambda-code.c (remove_iv): Skip debug statements.
3118 (lambda_loopnest_to_gcc_loopnest): Likewise.
3119 (not_interesting_stmt): Debug statements are not interesting.
3121 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3125 * cselib.c (cselib_preserve_constants,
3126 cfa_base_preserved_val): New static variables.
3127 (preserve_only_constants): New function.
3128 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3129 clear its REG_VALUES. If cselib_preserve_constants, don't
3130 empty the whole hash table, but preserve there VALUEs with constants,
3131 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3132 (cselib_preserve_cfa_base_value): New function.
3133 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3134 (cselib_init): Change argument to int bitfield. Set
3135 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3137 (cselib_finish): Clear cselib_preserve_constants and
3138 cfa_base_preserved_val.
3139 * cselib.h (enum cselib_record_what): New enum.
3140 (cselib_init): Change argument to int.
3141 (cselib_preserve_cfa_base_value): New prototype.
3142 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3143 * dse.c (dse_step1): Likewise.
3144 * cfgcleanup.c (thread_jump): Likewise.
3145 * sched-deps.c (sched_analyze): Likewise.
3146 * gcse.c (local_cprop_pass): Likewise.
3147 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3148 If FN is non-NULL, call the callback always and whenever it returns
3149 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3150 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3151 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3152 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3153 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3154 * var-tracking.c: Include recog.h.
3155 (bb_stack_adjust_offset): Remove.
3156 (vt_stack_adjustments): Don't call it, instead just gather the
3157 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3158 (adjust_stack_reference): Remove.
3159 (compute_cfa_pointer): New function.
3160 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3161 (struct adjust_mem_data): New type.
3162 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3164 (get_address_mode): New function.
3165 (replace_expr_with_values): Use it.
3166 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3167 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3168 (adjust_sets): Remove.
3169 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3170 Use get_address_mode.
3171 (get_adjusted_src): Remove.
3172 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3173 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3174 (add_with_sets): Don't call adjust_sets.
3175 (fp_setter, vt_init_cfa_base): New functions.
3176 (vt_initialize): Change return type to bool. Move most of pool etc.
3177 initialization to the beginning of the function from end. Pass
3178 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3179 If !frame_pointer_needed, call vt_stack_adjustment before mos
3180 vector is filled, call vt_init_cfa_base if argp/framep has been
3181 eliminated to sp. If frame_pointer_needed and argp/framep has
3182 been eliminated to hard frame pointer, set
3183 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3184 encountering fp setter in the prologue. For MO_ADJUST, call
3185 log_op_type before pusing the op into mos vector, not afterwards.
3186 Call adjust_insn before cselib_process_insn/add_with_sets,
3187 call cancel_changes (0) afterwards.
3188 (variable_tracking_main_1): Adjust for vt_initialize calling
3189 vt_stack_adjustments and returning whether it succeeded or not.
3191 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3193 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3196 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3198 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3200 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3201 drap_reg has not been set.
3203 2010-03-15 Michael Matz <matz@suse.de>
3206 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3207 use it to expand block copies.
3208 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3209 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3210 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3212 2010-03-15 Richard Guenther <rguenther@suse.de>
3214 PR tree-optimization/43367
3215 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3218 2010-03-15 Richard Guenther <rguenther@suse.de>
3220 PR tree-optimization/43317
3221 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3223 2010-03-15 Martin Jambor <mjambor@suse.cz>
3225 PR tree-optimization/43141
3226 * tree-sra.c (create_abstract_origin): New function.
3227 (modify_function): Call create_abstract_origin.
3229 2010-03-15 Chris Demetriou <cgd@google.com>
3231 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3234 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3237 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3238 call insert_out_of_ssa_copy for default definitions.
3240 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3242 * graphite-clast-to-gimple.c (my_long_long): Defined.
3243 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3244 * graphite-sese-to-poly.c (my_long_long): Defined.
3245 (scop_ivs_can_be_represented): Use it.
3247 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3249 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3250 graphite-max-bbs-per-function, and loop-block-tile-size.
3251 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3253 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3255 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3257 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3258 forward declaration.
3259 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3260 (add_upper_bounds_from_estimated_nit): New.
3261 (build_loop_iteration_domains): Use it.
3263 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3265 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3267 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3270 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3271 should be an INTEGER_CST. Also handle CASE_CONVERT.
3273 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3275 * graphite.c (graphite_initialize): To bound the number of bbs per
3276 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3277 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3278 * doc/invoke.texi: Document it.
3280 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3282 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3283 * graphite-sese-to-poly.h (build_poly_scop): Same.
3285 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3287 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3288 the number of parameters in the scop. Use as an upper bound
3289 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3290 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3291 * doc/invoke.texi: Document it.
3293 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3295 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3296 * doc/c-tree.texi: Remove.
3297 * doc/generic.texi: Merge c-tree.texi here.
3298 * doc/gccint.texi (Trees): Remove menu entry.
3299 (c-tree.texi): Remove @include.
3300 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3301 * doc/languages.texi (Reading RTL): Ditto.
3303 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3306 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3308 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3311 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3312 code added to work around reload clobbering CONST insns.
3314 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3316 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3317 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3318 (cselib_preserve_only_values): Remove retain argument, don't
3319 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3320 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3321 * var-tracking.c (micro_operation): Move insn field before union.
3322 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3323 (struct variable_tracking_info_def): Remove n_mos field, change
3324 mos into a vector of micro_operations.
3325 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3326 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3327 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3328 changing into a vector.
3329 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3330 come before all other uops generated by add_stores.
3331 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3333 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3334 a vector. Run just one pass over the bbs instead of separate counting
3335 and computation phase.
3336 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3339 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3340 into *nonlocalized_list vector.
3341 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3342 even if origin is non-NULL.
3343 (gen_variable_die): Likewise.
3344 (process_scope_var): Don't change origin.
3345 (gen_decl_die): Likewise.
3346 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3347 before adding new edges instead of after it, fix moving over
3350 2010-03-11 David S. Miller <davem@davemloft.net>
3352 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3354 * configure: Rebuild.
3356 2010-03-11 Martin Jambor <mjambor@suse.cz>
3358 PR tree-optimization/43257
3359 * tree.c (assign_assembler_name_if_neeeded): New function.
3360 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3362 * tree.h (assign_assembler_name_if_neeeded): Declare.
3363 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3364 the function if needed.
3366 2010-03-11 Chris Demetriou <cgd@google.com>
3368 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3369 include/stdint-gcc.h, and include/stdint.h world-readable.
3371 2010-03-11 Richard Guenther <rguenther@suse.de>
3373 PR tree-optimization/43255
3374 * tree-vrp.c (process_assert_insertions_for): Do not insert
3375 asserts for trivial conditions.
3377 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3379 PR tree-optimization/43280
3380 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3381 generation. Move calculation of size out of the if branch.
3382 (find_bswap): Modify compare number generation.
3384 2010-03-11 Richard Guenther <rguenther@suse.de>
3387 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3388 (input_gimple_stmt): Fixup handled component types during
3389 operand read. Also fix up decls in ADDR_EXPRs.
3391 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3393 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3394 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3396 2010-03-10 Jan Hubicka <jh@suse.cz>
3399 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3400 * varasm.c (get_variable_section): Don't do that here...
3401 (make_decl_rtl): ... and here.
3402 (do_assemble_alias): Produce decl RTL.
3403 (assemble_alias): Likewise.
3405 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3408 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3409 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3411 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3412 (based_loc_descr): Only express drap or vdrap regno based expressions
3413 using DW_OP_fbreg when not optimizing.
3414 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3415 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3416 REG_CFA_SET_VDRAP note.
3418 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3420 PR tree-optimization/43236
3421 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3422 error in calculation of base address in reverse iteration case.
3423 (generate_builtin): Take number of latch executions if the statement
3426 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3429 * tree-eh.c: Include pointer-set.h.
3430 (lower_eh_dispatch): Filter out duplicate case labels and
3431 remove the unneeded edge when the label is unused. Return
3432 true when some edges are removed.
3433 (execute_lower_eh_dispatch): When any lowering resulted in
3434 removing an edge, also delete unreachable blocks.
3436 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3439 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3440 UNSPEC_MACHOPIC_OFFSET.
3442 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3445 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3446 (m68k_delegitimize_address): New function.
3448 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3451 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3454 * var-tracking.c (adjust_sets): New function.
3455 (count_with_sets, add_with_sets): Use it.
3456 (get_adjusted_src): New inline function.
3457 (add_stores): Use it.
3460 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3461 call cselib_dummy_expand_value_rtx_cb instead of
3462 cselib_expand_value_rtx_cb.
3465 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3466 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3467 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3468 and .cfi_endproc around the pic thunks.
3469 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3470 all queued unwind info register saves are saved before the call.
3471 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3472 considered as sp-=4 for unwind info and the pop as sp+=4 which
3473 also clobbers dest, but doesn't actually restore it.
3476 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3477 RTX_FRAME_RELATED_P.
3479 2010-03-09 Jie Zhang <jie@codesourcery.com>
3481 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3482 whitespaces in output template.
3484 2010-03-09 Jie Zhang <jie@codesourcery.com>
3486 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3489 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3491 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3492 builtins.exp in a separate job.
3494 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3496 * graphite-sese-to-poly.c (add_param_constraints): Use
3497 lower_bound_in_type and upper_bound_in_type.
3499 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3501 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3502 instead of unsigned_type_node.
3504 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3505 Reza Yazdani <reza.yazdani@amd.com>
3508 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3509 on pointer type parameters.
3511 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3515 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3516 handle conversions from pointer to integers.
3517 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3518 induction variable, to be able to work with code generated by CLooG.
3519 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3520 (build_poly_scop): Bail out if we cannot codegen a loop.
3522 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3524 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3525 code generation with gloog_error.
3527 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3529 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3530 Call fold_convert on all the returned values.
3531 (expand_scalar_variables_expr): Pass to
3532 expand_scalar_variables_ssa_name the type of the resulting expression.
3534 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3536 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3537 ppl_min_for_le_pointset.
3538 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3539 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3541 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3543 * graphite-dependences.c (map_into_dep_poly): Removed.
3544 (dependence_polyhedron_1): Use combine_context_id_scat.
3546 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3548 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3549 (struct poly_bb): Same.
3550 (combine_context_id_scat): New.
3552 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3555 * sese.c (name_defined_in_loop_p): Return false for default
3558 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3560 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3561 and clean up the logic.
3563 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3565 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3568 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3570 * var-tracking.c (remove_cselib_value_chains): Define only for
3572 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3573 delete_slot_part, emit_notes_for_differences_1): Don't call
3574 remove_cselib_value_chains here.
3575 (set_slot_part, emit_notes_for_differences_2): Don't call
3576 add_cselib_value_chains here.
3577 (preserved_values): New vector.
3578 (preserve_value): New function.
3579 (add_uses, add_stores, vt_add_function_parameters): Use it
3580 instead of cselib_preserve_value.
3581 (changed_values_stack): New vector.
3582 (check_changed_vars_0): New function.
3583 (check_changed_vars_1, check_changed_vars_2): Use it.
3584 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3585 changed_values_stack VALUEs.
3586 (vt_emit_notes): For all preserved_values call
3587 add_cselib_value_chains. If ENABLE_CHECKING call
3588 remove_cselib_value_chains before verifying value_chains is empty.
3589 Initialize and free changed_values_stack.
3590 (vt_initialize): Initialize preserved_values.
3591 (vt_finalize): Free preserved_values.
3593 2010-03-08 Richard Guenther <rguenther@suse.de>
3595 PR tree-optimization/43269
3596 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3599 2010-03-08 Martin Jambor <mjambor@suse.cz>
3601 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3602 (ipa_is_param_called): Removed.
3603 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3604 (ipa_print_node_params): Do not print the called flag.
3605 (ipa_write_node_info): Do not stream the called flag.
3606 (ipa_read_node_info): Likewise.
3608 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3611 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3612 * cselib.c (struct expand_value_data): Add dummy field.
3613 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3615 (cselib_dummy_expand_value_rtx_cb): New function.
3616 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3618 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3619 * var-tracking.c: Include pointer-set.h.
3620 (variable): Change n_var_parts to char from int. Add
3621 cur_loc_changed and in_changed_variables fields.
3622 (variable_canonicalize): Remove.
3623 (shared_var_p): New inline function.
3624 (unshare_variable): Maintain cur_loc_changed and
3625 in_changed_variables fields. If var was in changed_variables,
3626 replace it there with new_var. Just copy cur_loc instead of
3627 resetting it to something else.
3628 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3629 (dataflow_set_union): Don't call variable_canonicalize.
3630 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3631 of their DEBUG_EXPR_TREE_DECLs.
3632 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3633 and in_changed_variables and cur_loc_changed is false.
3634 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3635 and cur_loc_changed. Don't update cur_loc here.
3636 (variable_merge_over_src): Don't call variable_canonicalize.
3637 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3638 removing loc that is equal to cur_loc, clear cur_loc,
3639 set cur_loc_changed and ensure variable_was_changed is called.
3640 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3641 compare pointers in cur_loc check, if it is equal to loc,
3642 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3643 (variable_different_p): Remove compare_current_location argument,
3644 don't compare cur_loc.
3645 (dataflow_set_different_1): Adjust variable_different_p caller.
3646 (variable_was_changed): If dv had some var in changed_variables
3647 already, reset in_changed_variables flag for it and propagate
3648 cur_loc_changed over to the new variable. On empty var
3649 always set cur_loc_changed. Set in_changed_variables on whatever
3650 var is added to changed_variables.
3651 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3652 Use shared_var_p. When removing loc that is equal to cur_loc,
3653 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3654 end, don't set it to something else, just call variable_was_changed.
3655 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3656 loc being removed, clear cur_loc and set cur_loc_changed.
3657 Set cur_loc_changed if all locations have been removed.
3658 (struct expand_loc_callback_data): New type.
3659 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3660 allocated. Always create SUBREGs if simplify_subreg failed.
3661 Prefer to use cur_loc, when that fails and still in
3662 changed_variables (and seen first time) recompute it. Set
3663 cur_loc_changed of variables which had to change cur_loc and
3664 compute elcd->cur_loc_changed if any of the subexpressions used
3665 had to change cur_loc.
3666 (vt_expand_loc): Adjust to pass arguments in
3667 expand_loc_callback_data structure.
3668 (vt_expand_loc_dummy): New function.
3669 (emitted_notes): New variable.
3670 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3671 that weren't used for any other decl in current
3672 emit_notes_for_changes call call vt_expand_loc_dummy to update
3673 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3674 first loc_chain location if NULL before. Always use just
3675 cur_loc instead of first loc_chain location. When cur_loc_changed
3676 is false, when not --enable-checking=rtl just don't emit any note.
3677 When rtl checking, compute the note and assert it is the same
3678 as previous note. Clear cur_loc_changed and in_changed_variables
3679 at the end before removing from changed_variables.
3680 (check_changed_vars_3): New function.
3681 (emit_notes_for_changes): Traverse changed_vars to call
3682 check_changed_vars_3 on each changed var.
3683 (emit_notes_for_differences_1): Clear cur_loc_changed and
3684 in_changed_variables. Recompute cur_loc of new_var.
3685 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3686 (vt_emit_notes): Initialize and destroy emitted_notes.
3688 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3690 PR rtl-optimization/42220
3691 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3692 Use verify_reg_tracked to determine if we should use OP_OUT rather
3694 (build_def_use): If we see an in-out operand for a register that we
3695 know nothing about, treat is an output if possible, fail the block if
3698 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3701 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3704 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3707 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3708 uses of relevant DEFs that are dead outside the loop too.
3710 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3712 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3714 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3716 * var-tracking.c (values_to_unmark): New variable.
3717 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3718 values_to_unmark vector. Moved body to...
3719 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3720 instead queue it into values_to_unmark vector.
3721 (vt_find_locations): Free values_to_unmark vector.
3723 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3725 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3726 (site.exp): Export them when plugins are enabled.
3728 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3731 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3733 (chrec_fold_multiply): Same.
3735 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3738 * c-decl.c (build_compound_literal): Return early if init is
3741 2010-03-04 Martin Jambor <mjambor@suse.cz>
3743 PR tree-optimization/43164
3744 PR tree-optimization/43191
3745 * tree-sra.c (type_consists_of_records_p): Reject records with
3746 zero-size bit-fields at the end.
3748 2010-03-04 Mike Stump <mikestump@comcast.net>
3750 * Makefile.in (TAGS): Remove *.y.
3752 2010-03-04 Richard Guenther <rguenther@suse.de>
3754 PR tree-optimization/40761
3755 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3757 (my_rev_post_order_compute): New function.
3758 (init_pre): Call it.
3760 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3763 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3764 decrease the cost of an IV candidate when the cost is infinite.
3766 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3768 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3769 Use '3DNow!' for the extension of that name, ensure normal space
3771 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3773 2010-03-03 Jeff Law <law@redhat.com>
3775 * PR middle-end/32693
3776 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3777 than gen_rtx_SUBREG.
3778 (extract_bit_field_1): Likewise.
3780 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3782 * doc/sourcebuild.texi (Test directives): Document that arguments
3783 include-opts and exclude-opts are now optional for dg-skip-if,
3784 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3786 2010-03-03 Jason Merrill <jason@redhat.com>
3789 * cgraph.h (varpool_node): Add extra_name field.
3790 * varpool.c (varpool_extra_name_alias): New.
3791 (varpool_assemble_decl): Emit extra name aliases.
3792 (varpool_mark_needed_node): Look past an extra name alias.
3793 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3794 * lto-streamer-in.c (lto_input_tree): Read it.
3795 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3797 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3799 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3800 (sparc*-*-solaris2*): ...this.
3802 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3805 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3806 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3807 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3808 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3811 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3812 fallthrough to default handling, just with want_address 0 instead of 2.
3813 For single element lists, add_AT_loc directly, otherwise create an
3814 artificial variable DIE and stick location list to it.
3817 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3818 (VAL_EXPR_HAS_REVERSE): Define.
3819 (reverse_op): New function.
3820 (add_stores): For reversible operations add an extra MO_VAL_USE.
3822 2010-03-02 Jason Merrill <jason@redhat.com>
3824 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3826 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3828 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3829 (sparc64-*-linux*): Likewise.
3830 (sparc64-*-solaris2*): Include assembler files before linker ones.
3831 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3832 * config/sparc/gas.h: Delete.
3833 * config/sparc/sol2-64.h: Add copyright notice.
3834 * config/sparc/sol2-gas-bi.h: Likewise.
3835 * config/sparc/sol2-gld.h: Likewise.
3836 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3837 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3838 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3839 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3840 (sparc_elf_asm_named_section): Rename into...
3841 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3843 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3845 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3847 2010-03-02 Jeff Law <law@redhat.com>
3850 * reload1.c (rtx_p, substitute_stack): Declare.
3851 (substitute): Record addresses of changed rtxs.
3852 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3853 Restore the original rtx when complete.
3854 (reload): Free subsitute_stack when complete.
3856 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3858 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3859 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3861 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3862 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3863 Torture Tests): Change from subsection to section.
3865 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3866 Steven Bosscher <steven@gcc.gnu.org>
3868 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3871 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3874 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3875 the assignment from the new induction variable to the assignment
3876 of the value from the original loop PHI function.
3878 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3879 Daniel Jacobowitz <dan@codesourcery.com>
3881 * doc/sourcebuild.texi (Test directives): Clarify options to
3884 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3886 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3887 Disable cfi directives unless GCC and gas agree on using read-only
3888 .eh_frame sections for 64-bit.
3889 * configure: Regenerate.
3891 2010-03-01 Richard Guenther <rguenther@suse.de>
3893 PR tree-optimization/43220
3894 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3895 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3897 2010-03-01 Richard Guenther <rguenther@suse.de>
3898 Martin Jambor <mjambor@suse.cz>
3901 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3902 gimplified parameters.
3904 2010-03-01 Christian Bruel <christian.bruel@st.com>
3906 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3908 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3910 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3912 2010-03-01 Richard Guenther <rguenther@suse.de>
3915 * expr.c (expand_assignment): Use the alias-oracle to tell
3916 if the rhs aliases the result decl.
3918 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3921 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3922 to sol_gt_pch_get_address.
3923 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3924 64-bit, SPARC and x86.
3925 (sol_gt_pch_get_address): New function.
3927 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3929 * toplev.h (inform_n, error_n): Declare.
3930 * diagnostic.c (inform_n, error_n): New function.
3932 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3934 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3935 has no rtl yet when processing local_decls, queue it and recheck
3936 if deferred stack allocation hasn't assigned it rtl.
3938 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3940 * config/sh/sh.c (unspec_bbr_uid): New.
3941 (gen_block_redirect): Use it instead of INSN_UID.
3942 (gen_far_branch): Likewise.
3944 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3946 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3947 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3949 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3951 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3952 (Warning Options): -Wno-conversion-null is valid for
3953 Objective-C++ as well.
3954 * doc/tm.texi (Named Address Spaces): Likewise.
3955 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3956 * doc/tree-ssa.texi (Tree SSA): Likewise.
3958 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3961 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3962 by default. Don't set the default arch for
3963 i[34567]86-*-darwin*|x86_64-*-darwin*.
3965 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3968 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3969 default. Set the default 32bit/64bit archs with $with_arch
3970 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3972 2010-02-27 Richard Guenther <rguenther@suse.de>
3974 PR tree-optimization/43186
3975 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3976 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3977 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3978 unroller iterations.
3980 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3982 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3983 required and i[34567]86-*-* targets don't support 64bit ISA.
3985 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3988 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3991 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3993 * config.gcc: Set the default arch at least to Prescott for
3994 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3995 if SSE math is enabled.
3997 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3999 * diagnostic.c (diagnostic_initialize): Update.
4000 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4002 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4003 (diagnostic_inhibit_notes): New.
4004 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4006 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4009 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4010 * doc/standards.texi: Likewise.
4011 * doc/extend.texi: Likewise.
4012 * doc/trouble.texi: Likewise.
4013 * doc/cppopts.texi: Likewise.
4014 * doc/install.texi: Likewise.
4015 * c.opt (std=c90,std=gnu90): New options.
4016 * c-opts.c (c_common_handle_option): Handle them.
4018 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4021 * c-decl.c (undeclared_variable): Use an informative note.
4023 2010-02-26 Richard Guenther <rguenther@suse.de>
4025 PR tree-optimization/43186
4026 * gimple.h (gimple_fold): Remove.
4027 * gimple.c (gimple_fold): Remove. Inline into single user ...
4028 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4029 Try harder for conditions.
4031 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4034 * function.c (used_types_insert): Don't skip through named pointer
4035 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4036 and it is different from the main variant's type.
4038 2010-02-26 Nick Clifton <nickc@redhat.com>
4040 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4042 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4044 * config.gcc: Support --with-fpmath=sse for x86.
4046 * config/i386/ssemath.h: New.
4048 * doc/install.texi (--with-fpmath=sse): Documented.
4050 2010-02-26 Richard Guenther <rguenther@suse.de>
4052 PR tree-optimization/43188
4053 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4054 vector types of over-aligned element type.
4056 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4059 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4060 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4062 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4064 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4066 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4068 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4069 * var-tracking.c: Include diagnostic.h.
4070 (debug_dv): New function.
4071 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4074 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4075 (add_value_chain, add_value_chains, remove_value_chain,
4076 remove_value_chains): Handle DEBUG_EXPRs.
4077 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4080 * regcprop.c (struct queued_debug_insn_change): New type.
4081 (struct value_data_entry): Add debug_insn_changes field.
4082 (struct value_data): Add n_debug_insn_changes field.
4083 (debug_insn_changes_pool): New variable.
4084 (free_debug_insn_changes, apply_debug_insn_changes,
4085 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4086 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4087 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4089 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4091 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4092 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4093 changes, call cprop_find_used_regs via note_stores.
4094 (copyprop_hardreg_forward): When copying vd from predecessor
4095 which has any queued DEBUG_INSN changes, make sure the pointers are
4096 cleared. At the end call df_analyze and then if there are any
4097 DEBUG_INSN changes queued at the end of some basic block for still
4098 live registers, apply them.
4099 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4101 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4103 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4106 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4108 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4109 targets. Set the default with_cpu/with_arch from arch/cpu.
4110 Allow x86-64 and native for with_cpu/with_arch.
4112 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4114 * ebitmap.c: Change calls to verify_popcount with calls to
4115 sbitmap_verify_popcount.
4116 (ebitmap_clear_bit): Fixed map->cacheindex test and
4117 map>cache update when bit clearing results in an empty
4120 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4123 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4124 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4125 and support both V2DF and V2DI modes.
4126 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4127 support both V2DF and V2DI modes.
4128 (general): Delete trailing whitespace from a few patterns.
4130 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4131 V2DF/V2DI interleave high/low builtins.
4133 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4136 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4137 interleave high/low functions.
4139 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4141 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4142 #pragma extern_prefix.
4144 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4147 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4148 BLKmode, assert op0 is a MEM and just adjust its mode.
4151 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4152 if bitpos isn't multiple of mode's bitsize.
4154 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4156 * c.opt (-ftemplate-depth=): New.
4157 (-ftemplate-depth-): Deprecate.
4158 * optc-gen.awk: Handle -ftemplate-depth=.
4159 * opth-gen.awk: Likewise.
4160 * c-opts.c (c_common_handle_option): Likewise.
4161 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4163 2010-02-24 Jason Merrill <jason@redhat.com>
4165 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4167 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4169 * cfg.c (alloc_aux_for_block): Remove inline.
4170 (alloc_aux_for_edge): Likewise.
4172 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4174 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4176 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4178 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4179 * config/i386/sol2-gas.h: New file.
4180 * config.gcc (i[34567]86-*-solaris2*): Use it.
4182 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4185 * c-typeck.c (ep_convert_and_check): New.
4186 (build_conditional_expr): Use it.
4187 (build_binary_op): Likewise.
4189 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4191 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4194 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4195 bounds even for -O+.
4196 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4197 expr needs to have DECL_NAME set.
4199 2010-02-24 Nick Clifton <nickc@redhat.com>
4201 * config/mep/mep.c: Include gimple.h.
4202 (mep_function_uses_sp): Delete unused function.
4203 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4204 parameters. Use unsigned integers to count args. Return a
4205 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4207 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4210 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4211 greater or equal to nelt instead of 2 * nelt.
4212 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4215 2010-02-23 Jason Merrill <jason@redhat.com>
4218 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4219 in cfun->local_decls even if they have register types.
4222 * stor-layout.c (place_field): Don't warn about unnecessary
4223 DECL_PACKED if the type is packed.
4225 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4228 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4229 GOTOFF relocs, even when the base reg isn't pic pointer.
4231 2010-02-23 Michael Matz <matz@suse.de>
4234 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4235 (expand_gimple_basic_block): Generate and use debug temps if there
4236 are debug uses left after the last real use of TERed ssa names.
4237 Unlink debug immediate uses when they are expanded.
4239 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4242 * config/i386/i386.c (override_options): Reorganise to provide
4243 better error messages.
4245 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4248 * graphite-scop-detection.c (create_single_exit_edge): Move
4249 the call to find_single_exit_edge to....
4250 (create_sese_edges): ...here. Don't handle multiple edges
4251 exiting the function.
4252 (build_graphite_scops): Don't handle multiple edges
4253 exiting the function.
4255 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4258 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4259 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4261 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4264 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4266 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4269 * c-typeck.c (convert_arguments): Print declaration location.
4270 * c-common.c (validate_nargs): Rename as
4271 builtin_function_validate_nargs.
4272 (check_builtin_function_arguments): Update.
4274 2010-02-22 Richard Guenther <rguenther@suse.de>
4277 * tree-inline.c (declare_return_variable): Use the type of
4278 the call stmt lhs if available.
4280 2010-02-22 Duncan Sands <baldrick@free.fr>
4282 * passes.c (register_pass): Always consider all pass lists when
4283 ref_pass_instance_number is zero.
4285 2010-02-22 Richard Guenther <rguenther@suse.de>
4287 PR tree-optimization/42749
4288 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4289 parameter. Do arithmetic in the original type.
4290 (update_accumulator_with_ops): Likewise.
4291 (adjust_accumulator_values): Adjust.
4293 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4295 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4296 (QI to BLKmode splitter): New splitter.
4298 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4300 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4301 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4303 2010-02-22 Richard Guenther <rguenther@suse.de>
4305 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4307 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4309 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4310 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4311 ($(T)crti.o, $(T)crtn.o): Remove rules.
4313 2010-02-21 Tobias Burnus <burnus@net-b.de>
4316 * doc/invoke.texi (-fassociative-math): Document that this
4317 option is automatically enabled for Fortran.
4319 2010-02-20 David S. Miller <davem@davemloft.net>
4321 * configure.ac: Test if linker and assembler properly support
4322 GOTDATA_OP relocations.
4323 * configure: Rebuild.
4324 * config.in: Likewise.
4325 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4326 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4327 (movsi_high_pic): Likewise.
4328 (movdi_lo_sum_pic): Likewise.
4329 (movdi_high_pic): Likewise.
4330 (movsi_pic_gotdata_op): New pattern.
4331 (movdi_pic_gotdata_op): Likewise.
4332 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4333 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4335 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4338 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4339 attribute to ssemul.
4340 (xop_mulv2div2di3_high): Ditto.
4342 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4345 * c.opt (Wconversion-null): New option.
4346 * doc/invoke.texi (Wconversion-null): Document.
4348 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4350 * common.opt (Wlarger-than-): Add Undocumented.
4352 2010-02-19 Mike Stump <mikestump@comcast.net>
4354 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4356 2010-02-19 Jason Merrill <jason@redhat.com>
4359 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4360 * configure: Likewise.
4362 2010-02-20 Alan Modra <amodra@gmail.com>
4365 * cgraph.h (cgraph_make_decl_local): Declare.
4366 * cgraph.c (cgraph_make_decl_local): New function.
4367 (cgraph_make_node_local): Use it.
4368 * cgraphunit.c (cgraph_function_versioning): Likewise.
4369 * ipa.c (function_and_variable_visibility): Likewise.
4371 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4374 * except.c (sjlj_emit_function_enter): Don't call
4375 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4377 * rtl.h (add_reg_br_prob_note): Remove prototype.
4379 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4382 * c-common.c (conversion_warning): Remove widening conversions
4383 before checking the conversion of integers to reals.
4385 2010-02-19 Mike Stump <mikestump@comcast.net>
4388 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4391 * cgraphunit.c (process_function_and_variable_attributes): Check
4392 DECL_PRESERVE_P instead of looking up attribute "used".
4393 * ipa-pure-const.c (check_decl): Likewise.
4394 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4395 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4396 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4397 instead of attribute "used".
4398 * config/sol2-c.c (solaris_pragma_init): Likewise.
4399 (solaris_pragma_fini): Likewise.
4401 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4403 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4404 Use XCNEW instead of xcalloc.
4405 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4406 XNEW instead of xmalloc.
4407 (get_fields): Use XNEWVEC instead of xmalloc.
4410 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4411 populate vars array.
4412 (create_new_general_access): For debug stmts just reset value.
4413 (get_stmt_accesses): For accesses within debug stmts just record them
4414 using add_access_to_acc_sites instead of preventing the peeling or
4415 counting them as accesses.
4418 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4420 2010-02-19 Richard Guenther <rguenther@suse.de>
4422 PR tree-optimization/42916
4423 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4426 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4428 * configure.ac: Replace all uses of changequote in macro arguments
4429 with proper quoting.
4431 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4434 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4436 2010-02-19 Richard Guenther <rguenther@suse.de>
4438 PR tree-optimization/42944
4439 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4440 test for aliasing with errno.
4442 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4445 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4446 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4447 * dojump.c: Include output.h.
4448 (inv): New inline function.
4449 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4450 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4451 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4452 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4453 argument, pass it down to other calls.
4454 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4455 add REG_BR_PROB note to the conditional jump.
4456 * cfgexpand.c (add_reg_br_prob_note): Removed.
4457 (expand_gimple_cond): Don't call it, add the probability
4458 as last argument to jumpif_1/jumpifnot_1.
4459 * Makefile.in (dojump.o): Depend on output.h.
4460 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4462 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4463 * stmt.c (do_jump_if_equal): Likewise.
4464 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4465 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4466 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4468 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4469 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4470 jumpifnot_1 callers.
4471 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4473 (store_expr): Adjust jumpifnot caller.
4474 (store_constructor): Adjust jumpif caller.
4477 * gimplify.c (gimple_boolify): For __builtin_expect call
4478 gimple_boolify also on its first argument.
4480 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4482 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4484 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4485 * configure: Regenerated.
4487 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4489 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4490 lang_hooks.types_compatible_p instead of comptypes.
4492 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4494 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4495 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4496 if __prefer_thumb__ is defined.
4498 2010-02-18 Martin Jambor <mjambor@suse.cz>
4500 PR tree-optimization/43066
4501 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4502 array with zero-sized element type.
4504 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4506 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4507 rtx, allocate struct var_loc_node here and return it to the
4508 caller, and only if it is actually needed.
4509 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4510 move it earlier and return immediately if it returns NULL.
4512 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4514 * config/sparc/gas.h: New file. Restore
4515 TARGET_ASM_NAMED_SECTION to its ELF default.
4516 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4518 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4519 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4520 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4521 after sparc/sysv4.h.
4523 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4525 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4527 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4529 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4530 patterns from predicated pattern.
4532 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4535 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4536 for insn mnemonic suffix.
4538 2010-02-17 Richard Guenther <rguenther@suse.de>
4540 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4543 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4546 * caller-save.c (save_call_clobbered_regs): If BB ends with
4547 a DEBUG_INSN, move any notes in between last real insn and the last
4548 DEBUG_INSN after the last DEBUG_INSN.
4550 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4552 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4553 Fix return type. Fix argument type. Explain meaning of return value.
4555 2010-02-16 Richard Guenther <rguenther@suse.de>
4557 PR tree-optimization/41043
4558 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4559 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4561 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4563 2010-02-16 Ira Rosen <irar@il.ibm.com>
4565 PR tree-optimization/43074
4566 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4567 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4568 vectorizable cycles in hybrid SLP check.
4569 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4571 2010-02-16 Richard Guenther <rguenther@suse.de>
4573 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4574 (true_dependence): If memrefs_conflict_p computes must-alias
4575 trust it. Move TBAA check after offset-based disambiguation.
4576 (canon_true_dependence): Likewise.
4578 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4580 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4581 * doc/invoke.texi: Document it.
4582 * var-tracking.c: Include toplev.h and params.h.
4583 (vt_find_locations): Return bool indicating success. Compute
4584 hash sizes unconditionally. Check new parameter, report.
4585 (variable_tracking_main_1): Check vt_find_locations results and
4586 retry. Renamed from...
4587 (variable_tracking_main): ... this. New wrapper to preserve
4588 flag_var_tracking_assignments.
4589 * Makefile.in (var-tracking.o): Adjust dependencies.
4591 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4592 Jakub Jelinek <jakub@redhat.com>
4595 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4596 if weak_import attribute is present.
4597 * config/darwin.c (machopic_select_section): Likewise.
4599 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4601 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4602 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4603 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4604 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4606 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
4608 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4611 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4612 Rewrite text to refer to the names.
4614 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4616 * config/i386/i386-builtin-types.def
4617 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4618 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4619 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4620 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4621 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4622 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4623 IX86_BUILTIN_VPERMIL2PS256.
4624 (MULTI_ARG_4_DF2_DI_I): Defined.
4625 (MULTI_ARG_4_DF2_DI_I1): Defined.
4626 (MULTI_ARG_4_SF2_SI_I): Defined.
4627 (MULTI_ARG_4_SF2_SI_I1): Defined.
4628 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4629 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4630 __builtin_ia32_vpermil2ps256.
4631 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4632 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4633 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4634 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4635 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4636 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4637 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4638 CODE_FOR_xop_vpermil2v8sf3.
4639 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4640 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4641 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4642 (_mm256_permute2_pd): New.
4643 (_mm_permute2_ps): New.
4644 (_mm256_permute2_ps): New.
4646 2010-02-15 Nick Clifton <nickc@redhat.com>
4648 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4649 boolean parameters. Use emit_jump_insn when emitting a pop
4650 instruction containing a return insn.
4651 (push): Use 'true' rather than '1' as second parameter to F.
4652 (h8300_expand_prologue): Likewise.
4653 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4654 (h8300_expand_epilogue): Likewise.
4656 2010-02-15 Richard Guenther <rguenther@suse.de>
4659 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4662 2010-02-15 Nick Clifton <nickc@redhat.com>
4664 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4667 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4669 * intl.c (fake_ngettext): New function.
4670 * intl.h (fake_ngettext): Declare.
4671 (ngettext): Define macro.
4672 * collect2.c (notice_translated): New function.
4673 (main): Use notice_translated and ngettext.
4674 * collect2.h (notice_translated): Declare.
4676 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4678 * reorg.c (delete_computation): Comment fixes.
4679 * caller-save.c (setup_save_areas): Idem.
4680 * sel-sched-dump.c (dump_lv_set): Idem.
4683 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4685 * config/s390/s390.c (s390_sched_init): New function.
4686 (TARGET_SCHED_INIT): Target hook defined.
4688 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4689 Jack Howarth <howarth@bromo.med.uc.edu>
4690 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4693 Partial revert of unintended change in fix for PR41605.
4694 * config/darwin.h: Fix typo.
4695 * config/darwin9.h: Same.
4697 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4699 * c-pch.c (pch_init): Clear v.
4701 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4704 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4705 graphite_can_represent_init for MULT_EXPR.
4707 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4711 * graphite-sese-to-poly.c (remove_phi): New.
4712 (translate_scalar_reduction_to_array): Call remove_phi.
4714 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4717 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4718 * graphite-clast-to-gimple.h (gloog): Update declaration.
4719 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4720 * graphite-poly.h (struct poly_bb): Add missing comments.
4721 (struct scop): Add poly_scop_p field.
4723 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4724 * graphite.c (graphite_transform_loops): Build the polyhedral
4725 representation for each scop before code generation.
4726 * sese.c (rename_variables_in_operand): Removed.
4727 (rename_variables_in_expr): Return the renamed expression.
4728 (rename_sese_parameters): New.
4729 * sese.h (rename_sese_parameters): Declared.
4731 2010-02-11 Richard Guenther <rguenther@suse.de>
4733 PR tree-optimization/42998
4734 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4735 POINTER_PLUS_EXPR properly.
4737 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4738 Changpeng Fang <changpeng.fang@amd.com>
4741 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4742 the cost of an IV candidate when the IV is used in a test against zero.
4744 * gcc.dg/tree-ssa/ivopts-3.c: New.
4746 2010-02-11 Richard Guenther <rguenther@suse.de>
4749 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4750 pointer-vs-decl case by swapping refs. Handle some cases
4751 of pointer-vs-decl disambiguations more conservatively.
4752 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4753 to false after expanding.
4755 2010-02-11 Richard Guenther <rguenther@suse.de>
4758 * gcc.c (process_command): Handle LTO file@offset case more
4761 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4763 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4764 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4766 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4768 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4769 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4770 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4771 Optimize eq/ne comparisons when both arguments are known to be
4773 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4774 Don't mask operands unnecessarily if they are known to be already
4777 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4779 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4782 2010-02-10 Richard Guenther <rguenther@suse.de>
4784 PR tree-optimization/43017
4785 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4786 for wrapping signed arithmetic.
4788 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4791 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4792 if no debug info should be emitted for it.
4794 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4796 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4797 note when flag_exceptions is set.
4799 2010-02-10 Duncan Sands <baldrick@free.fr>
4801 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4803 2010-02-10 Richard Guenther <rguenther@suse.de>
4806 * tree.c (get_unwidened): Handle constants.
4807 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4809 2010-02-10 Martin Jambor <mjambor@suse.cz>
4812 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4813 check for variable argument counts independently.
4815 2010-02-10 Christian Bruel <christian.bruel@st.com>
4818 * config/sh/sh.c (find_barrier): Increase length for non delayed
4819 conditional branches.
4821 2010-02-10 Christian Bruel <christian.bruel@st.com>
4823 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4825 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4827 * builtins.c (set_builtin_user_assembler_name): Also handle
4828 ffs if int is smaller than word.
4830 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4833 * ira-conflicts.c (get_dup): Remove.
4834 (process_reg_shuffles): Add new parameter. Use it as an
4835 additional guard for copy generation.
4836 (add_insn_allocno_copies): Rewrite.
4838 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4840 * common.opt (fsched2-use-traces): Preserved for backward
4842 * doc/invoke.texi: Remove the documentation about option
4843 -fsched2-use-traces.
4844 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4845 flag_sched2_use_traces.
4846 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4847 the backward compatibility flag section.
4849 2010-02-09 Richard Guenther <rguenther@suse.de>
4851 PR tree-optimization/43008
4852 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4853 make HEAP variables initialized from global memory if they
4854 are not known builtin functions.
4855 (find_func_aliases): Adjust.
4857 2010-02-09 Richard Guenther <rguenther@suse.de>
4859 PR tree-optimization/43000
4860 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4861 arithmetic manually.
4863 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4865 PR tree-optimization/42931
4866 * tree-loop-linear.c (try_interchange_loops): Don't call
4867 double_int_mul if estimated_loop_iterations failed.
4869 2010-02-08 Martin Jambor <mjambor@suse.cz>
4872 * tree-sra.c (build_accesses_from_assign): Do not mark in
4873 should_scalarize_away_bitmap if stmt has volatile ops.
4874 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4877 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4879 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4881 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4883 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4886 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4889 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4891 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4894 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4895 to unknown_dependence.
4896 (graphite_legal_transform_dr): Handle the unknown_dependence.
4897 (graphite_carried_dependence_level_k): Same.
4899 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4901 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4903 2010-02-07 Richard Guenther <rguenther@suse.de>
4906 * expr.c (get_inner_reference): Always initialize *pbitsize.
4908 2010-02-07 Richard Guenther <rguenther@suse.de>
4911 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
4912 new ARRAY_REFs on variable size element or minimal index arrays.
4914 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
4915 gimple_fold_indirect_ref.
4917 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
4920 * arm.c (arm_override_options): Just return if the user has specified
4921 an invalid fpu name.
4923 2010-02-03 Jason Merrill <jason@redhat.com>
4926 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
4927 i386_pe_maybe_record_exported_symbol.
4929 2010-02-05 Steve Ellcey <sje@cup.hp.com>
4932 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4933 (pa_delegitimize_address): New function.
4935 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
4937 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
4938 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
4940 2010-02-05 Richard Guenther <rguenther@suse.de>
4943 * lto-streamer-in.c (get_resolution): Deal with references
4944 to undefined functions.
4946 2010-02-05 Richard Guenther <rguenther@suse.de>
4948 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
4949 (fold_const_aggregate_ref): Likewise.
4950 (ccp_fold_stmt): Substitute loads.
4951 (maybe_fold_reference): Verify types before substituting.
4953 (fold_gimple_assign): Unshare properly.
4954 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
4956 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
4958 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
4959 for rs6000_gen_cell_microcode.
4961 2010-02-04 Richard Guenther <rguenther@suse.de>
4963 PR rtl-optimization/42952
4964 * dse.c (const_or_frame_p): Remove MEM handling.
4966 2010-02-04 Nick Clifton <nickc@redhat.com>
4968 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
4969 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
4970 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
4971 (mn10300_asm_output_mi_thunk): New function.
4972 (mn10300_can_output_mu_thunk): New function.
4973 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
4974 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
4975 (FUNCTION_ARG): Delete incorrect comment.
4977 2010-02-03 Jason Merrill <jason@redhat.com>
4980 * fold-const.c (operand_equal_p): Handle erroneous types.
4982 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4984 * config/h8300/h8300.md (can_delay): Fix attibute condition.
4986 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
4988 PR rtl-optimization/42941
4989 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
4992 2010-02-03 Jason Merrill <jason@redhat.com>
4995 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
4997 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5000 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5001 (cselib_reset_table): Renamed from...
5002 (cselib_reset_table_with_next_value): ... this.
5003 (cselib_get_next_uid): Renamed from...
5004 (cselib_get_next_unknown_value): ... this.
5005 * cselib.c (next_uid): Renamed from...
5006 (next_unknown_value): ... this.
5007 (cselib_clear_table): Adjust.
5008 (cselib_reset_table): Adjust. Renamed from...
5009 (cselib_reset_table_with_next_value): ... this.
5010 (cselib_get_next_uid): Adjust. Renamed from...
5011 (cselib_get_next_unknown_value): ... this.
5012 (get_value_hash): Use hash.
5013 (cselib_hash_rtx): Likewise.
5014 (new_cselib_val): Adjust. Set and dump uid.
5015 (cselib_lookup_mem): Pass next_uid as hash.
5016 (cselib_subst_to_values): Likewise.
5017 (cselib_log_lookup): Dump uid.
5018 (cselib_lookup): Pass next_uid as hash. Adjust.
5019 (cselib_process_insn): Adjust.
5020 (cselib_init): Initialize next_uid.
5021 (cselib_finish): Adjust.
5022 (dump_cselib_table): Likewise.
5023 * dse.c (canon_address): Dump value uid.
5024 * print-rtl.c (print_rtx): Print value uid.
5025 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5027 (dv_uid): New function, sort of renamed from...
5028 (dv_htab_hash): ... this, reimplemented in terms of it and...
5029 (dv_uid2hash): ... this. New.
5030 (variable_htab_eq): Drop excess assertions.
5031 (tie_break_pointers): Removed.
5032 (canon_value_cmp): Compare uids.
5033 (variable_post_merge_New_vals): Print uids.
5034 (vt_add_function_parameters): Adjust.
5035 (vt_initialize): Reset table. Adjust.
5037 2010-02-03 Richard Guenther <rguenther@suse.de>
5039 PR tree-optimization/42944
5040 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5041 (call_may_clobber_ref_p_1): Likewise. Properly handle
5042 malloc and calloc clobbering errno.
5044 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5046 * doc/invoke.texi: Fix name of sched1 dump.
5048 * opts.c (decode_options): Set flag_tree_switch_conversion
5049 only conditionally on optimize >= 2.
5051 * gcse.c: Assorted comment fixes in pass description.
5053 2010-02-03 Anthony Green <green@moxielogic.com>
5055 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5056 nop padding in order to maintain alignment of storage location of
5057 target function address.
5058 (moxie_trampoline_init): Store target function address at newly
5060 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5062 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5064 2010-02-03 Richard Guenther <rguenther@suse.de>
5067 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5069 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5071 * config.gcc: Reenable check for obsolete targets.
5072 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5073 mips-sgi-irix6.[0-4]*.
5075 2010-02-02 Nick Clifton <nickc@redhat.com>
5077 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5078 constant size of 4 as being the same as 0.
5079 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5080 can take values in the range 0..4.
5082 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5085 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5086 as _darwin10_Unwind_FindEnclosingFunction().
5087 * libgcc-libsystem.ver: New.
5089 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5092 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5093 implicitly set registers.
5095 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5097 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5098 (arm_override_options): Allow automatic selection of the thread
5099 pointer register if thumb2.
5100 (legitimize_pic_address): Improve code sequences for Thumb2.
5101 (arm_call_tls_get_addr): Likewise.
5102 (legitimize_tls_address): Likewise.
5103 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5104 (pic_load_addr_32bit): ... this. New named pattern.
5105 * thumb2.md (pic_load_addr_thumb2): Delete.
5106 (pic_load_dot_plus_four): Delete.
5107 (tls_load_dot_plus_four): New named pattern.
5109 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5112 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5113 Document fix for TLS bug.
5115 2010-01-31 Richard Guenther <rguenther@suse.de>
5117 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5118 conservatively correct.
5120 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5124 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5126 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5128 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5130 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5132 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5134 * config.gcc: Adjust order of makefile fragments for mingw targets.
5136 2010-01-31 Richard Guenther <rguenther@suse.de>
5139 * gimplify.c (gimplify_init_constructor): For volatile LHS
5140 initialize a temporary.
5142 2010-01-31 Matthias Klose <doko@ubuntu.com>
5144 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5146 * configure: Regenerate.
5148 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5150 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5151 the same alias set and their sizes different constantness.
5152 (aliasing_component_refs_p): Revert 2009-10-24 change.
5154 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5156 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5159 2010-01-29 Richard Guenther <rguenther@suse.de>
5161 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5162 Assert we successfully updated the call.
5164 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5166 PR rtl-optimization/42889
5167 * df.h (df_set_bb_dirty_nonlr): New prototype.
5168 * df-core.c (df_set_bb_dirty_nonlr): New function.
5169 * df-scan.c (df_insn_rescan): Call it instead of
5170 df_set_bb_dirty for DEBUG_INSNs.
5172 2010-01-29 Richard Guenther <rguenther@suse.de>
5175 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5176 quadratic behavior in most cases.
5178 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5181 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5182 in the call to gen_x86_movsicc_0_m1.
5184 2010-01-28 Richard Guenther <rguenther@suse.de>
5186 PR tree-optimization/42871
5187 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5189 2010-01-28 Richard Guenther <rguenther@suse.de>
5191 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5192 into call arguments.
5194 2010-01-28 Richard Guenther <rguenther@suse.de>
5197 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5198 the forwarder if the destination is an EH landing pad.
5200 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5202 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5203 block list passed to gimple_duplicate_sese_tail.
5204 (parallelize_loops): Avoid parallelization when the function
5206 Avoid parallelization when the preheader is IRREDUCIBLE.
5207 Try to optimize when estimated_loop_iterations_int is unresolved.
5208 Add the loop's location to the dump file.
5209 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5210 (gimple_duplicate_sese_tail): Remove the check for the latch.
5211 Redirect nexits to the exit block.
5212 Remove handling of the incoming edges to the latch.
5213 Redirect the backedge from the copied latch to the exit bb.
5215 2010-01-28 Michael Matz <matz@suse.de>
5218 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5219 Wrap force_reg into a sequence, emit it before user.
5221 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5223 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5225 (arm_legacy_rev): Likewise.
5226 (thumb_legacy_rev): Likewise.
5228 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5230 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5231 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5232 on MEM's address failed, try avoid_constant_pool_reference and
5233 recurse if it returned something different.
5234 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5235 address, try avoid_constant_pool_reference and recurse if it
5236 returned something different.
5237 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5238 address and avoid_constant_pool_reference returned something
5239 different, don't set have_address.
5241 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5244 * var-tracking.c (val_store): Add modified argument, obey it.
5246 (count_uses): Move down logging of main.
5247 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5248 don't need resolution.
5249 (emit_notes_in_bb): Likewise.
5251 2010-01-27 Richard Guenther <rguenther@suse.de>
5254 * tree-inline.c (remap_decl): Delay remapping of SSA name
5255 default definitions until we need them.
5257 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5259 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5260 (rs6000_delegitimize_address): New function.
5262 * config/s390/s390.c (s390_delegitimize_address): Call
5263 delegitimize_mem_from_attrs.
5266 * tree-inline.c (cannot_copy_type_1): Removed.
5267 (copy_forbidden): Don't forbid copying of functions containing
5268 records/unions with variable length fields.
5270 2010-01-27 Christian Bruel <christian.bruel@st.com>
5274 * config/sh/sh.c (find_barrier): Increase length for non delayed
5275 conditional branches.
5277 2010-01-27 Matthias Klose <doko@ubuntu.com>
5279 * configure.ac (gnu-unique-object): Fix ldd version check.
5280 * configure: Regenerate.
5282 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5284 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5286 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5287 Test for HAVE_GNU_AS value.
5289 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5291 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5292 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5293 INT64_TYPE): Define.
5294 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5295 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5296 INT_LEAST64_TYPE): Define.
5297 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5298 UINT_LEAST64_TYPE): Define.
5299 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5300 INT_FAST64_TYPE): Define.
5301 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5302 UINT_FAST64_TYPE): Define.
5303 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5304 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5305 (SIG_ATOMIC_TYPE): Define.
5307 2010-01-26 Richard Guenther <rguenther@suse.de>
5309 * df-scan.c (df_scan_set_bb_info): Remove assert.
5310 (df_insn_rescan_debug_internal): Merge asserts.
5311 (df_install_ref): Likewise.
5312 (df_mark_reg): Use bitmap_set_range.
5313 (df_hard_reg_used_p): Remove assert.
5314 (df_hard_reg_used_count): Likewise.
5316 2010-01-26 Richard Guenther <rguenther@suse.de>
5318 PR rtl-optimization/42685
5319 * web.c (web_main): Ignore DEBUG_INSNs.
5321 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5323 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5325 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5326 Fix types of fndecl and arglist parameters.
5328 2010-01-26 Richard Guenther <rguenther@suse.de>
5331 * tree-eh.c (unsplit_eh): Skip debug insns.
5333 2010-01-26 Richard Guenther <rguenther@suse.de>
5335 PR tree-optimization/42250
5336 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5338 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5341 * omp-low.c (expand_omp_sections): Only use single_pred if
5342 l2_bb is single_pred_p.
5344 2010-01-25 Christian Bruel <christian.bruel@st.com>
5347 * config/sh/sh.c (find_barrier): Increase length for non delayed
5348 conditional branches.
5349 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5351 2010-01-24 David S. Miller <davem@davemloft.net>
5353 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5354 define if not using GAS.
5355 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5356 Likewise. Delete SECTION_MERGE code, which is only applicable
5359 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5362 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5363 mangling of va_list in system headers.
5365 2010-01-23 Toon Moene <toon@moene.org>
5367 * tree-predcom.c (combine_chains): Return NULL, not false.
5369 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5371 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5372 initialization of variable res to agree with return type.
5374 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5376 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5377 * tree-sra.c: Add include of expr.h.
5379 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5381 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5382 insert the debug stmt on the single non-EH edge from the stmt.
5384 2010-01-22 Richard Henderson <rth@redhat.com>
5387 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5388 the RHS until after generate_subtree_copies has insertted its
5389 code before the current statement.
5391 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5393 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5395 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5397 2010-01-21 Martin Jambor <mjambor@suse.cz>
5399 PR tree-optimization/42585
5400 * tree-sra.c (struct access): New field grp_total_scalarization.
5401 (dump_access): Dump the new field.
5402 (should_scalarize_away_bitmap): New variable.
5403 (cannot_scalarize_away_bitmap): Likewise.
5404 (sra_initialize): Allocate new bitmaps.
5405 (sra_deinitialize): Free new bitmaps.
5406 (create_access_1): New function.
5407 (create_access): Parts moved to create_access_1.
5408 (type_consists_of_records_p): New function.
5409 (completely_scalarize_record): Likewise.
5410 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5411 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5412 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5414 (analyze_all_variable_accesses): Completely scalarize small eligible
5417 2010-01-21 Martin Jambor <mjambor@suse.cz>
5419 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5421 2010-01-21 Andrew Haley <aph@redhat.com>
5423 * gcc.c (process_command): Move lang_specific_driver before
5424 setting cc_libexec_prefix.
5426 2010-01-21 Richard Guenther <rguenther@suse.de>
5429 * fold-const.c (negate_expr_p): Pretend only negative
5430 real constants are easily negatable.
5432 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5433 Jason Merrill <jason@redhat.com>
5435 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5436 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5437 * calls.c (initialize argument_information): Handle it.
5438 * c-common.c (handle_transparent_union_attribute): Use new name.
5439 * c-decl.c (finish_struct): Ditto.
5440 * c-typeck.c (type_lists_compatible_p): Ditto.
5441 (convert_for_assignment): Use new name and also handle record.
5442 * function.c (aggregate_value_p): Handle it.
5443 (pass_by_reference): Ditto.
5444 (assign_parm_data_types): Ditto.
5445 * print-tree.c (print_node): Ditto.
5446 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5447 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5448 * tree.c (first_field): New fn.
5450 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5453 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5454 even when linking statically, for now.
5456 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5459 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5460 without a cselib val.
5461 (count_uses): Accept MO_VAL_SET with no val on stores.
5462 (add_stores): Likewise.
5464 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5466 * var-tracking.c (check_value_val): Add a compile time assertion.
5467 (dv_is_decl_p): Simplify.
5468 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5469 gcc_assert if ENABLE_CHECKING.
5471 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5474 * var-tracking.c: Include tree-flow.h.
5475 (mem_dies_at_call): New.
5476 (dataflow_set_preserve_mem_locs): Use it.
5477 (dataflow_set_remove_mem_locs): Likewise.
5478 (dump_var): Renamed from dump_variable. Adjust all callers.
5479 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5480 * Makefile.in (var-tracking.o): Adjust deps.
5482 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5484 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5486 2010-01-20 Richard Guenther <rguenther@suse.de>
5488 PR tree-optimization/42717
5489 * tree-ssa-dce.c (get_live_post_dom): Remove.
5490 (forward_edge_to_pdom): Take an arbitrary edge to copy
5491 degenerate PHI args from.
5492 (remove_dead_stmt): Use the first post-dominator even if it
5493 does not contain live statements as redirection destination.
5495 2010-01-20 Richard Guenther <rguenther@suse.de>
5497 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5499 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5501 * sel-sched.c (create_speculation_check): Remove set but not used
5503 (try_transformation_cache): Remove set but not used variable ds.
5504 (calculate_privileged_insns): Remove set but not used variables
5505 cur_insn and min_spec_insn.
5506 (find_best_expr): Remove set but not used variable avail_n.
5507 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5509 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5511 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5512 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5515 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5518 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5519 cpu types. Add support for *-sse3 cpu types.
5520 (x86_64-*-*): Ditto.
5522 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5525 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5526 argument, call initializer_constant_valid_p_1 instead of
5527 initializer_constant_valid_p, pass CACHE to it, return NULL
5528 immediately if first call returns NULL.
5529 (initializer_constant_valid_p_1): New function.
5530 (initializer_constant_valid_p): Use it.
5532 2010-01-20 Thomas Quinot <quinot@adacore.com>
5534 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5536 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5538 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5539 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5540 (loc_list_from_tree): Don't handle unsigned division. Handle
5541 signed modulo using DW_OP_{over,over,div,mul,minus}.
5542 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5543 modulo instead of signed.
5545 2010-01-20 DJ Delorie <dj@redhat.com>
5547 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5549 (h8300_emit_stack_adjustment): Propogate it.
5551 (h8300_expand_prologue): Likewise.
5552 (h8300_expand_epilogue): Likewise.
5554 2010-01-19 Michael Matz <matz@suse.de>
5556 PR tree-optimization/41783
5557 * tree-data-ref.c (toplevel): Include flags.h.
5558 (dump_data_dependence_relation): Also dump the inputs if the
5559 result will be unknown.
5560 (split_constant_offset_1): Look through some conversions.
5561 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5562 the offset from last element is too large.
5563 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5564 (reassociate_to_the_same_stmt): Handle vector registers.
5565 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5567 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5568 wide_prolog_niters argument, emit widening instructions.
5569 (vect_do_peeling_for_alignment): Adjust caller, use widened
5570 variant of the iteration cound.
5571 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5573 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5576 * config/arm/neon-testgen.m (emit_automatics): New parameter
5577 features. Adjust for Fixed_return_reg feature.
5578 (test_intrinsic): Call emit_automatics with new feature.
5579 * config/arm/neon.ml: Update copyright years.
5580 (features): New Fixed_return_reg feature.
5581 (ops): Update feature for Vget_low.
5583 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5585 PR tree-optimization/42719
5586 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5590 * fwprop.c (all_uses_available_at): Return false if def_set dest
5591 is a REG that is used in def_insn.
5593 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5595 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5597 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5600 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5602 * target.h (struct gcc_target) <secondary_reload>: Change type
5603 of last argument to secondary_reload_info *.
5605 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5608 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5609 memory references with unaligned offsets. Remove CQImode handling.
5610 (unaligned_memory_operand): Return 1 for memory references with
5611 unaligned offsets. Remove CQImode handling.
5613 2010-01-18 Richard Guenther <rguenther@suse.de>
5616 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5619 2010-01-18 Richard Guenther <rguenther@suse.de>
5621 PR tree-optimization/42781
5622 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5623 restrict processing only if the original variable was artificial.
5625 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5627 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5628 find number of popped argument bytes.
5630 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5631 Fix the text that describes the return value for invalid insns.
5633 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5635 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5636 Clarify what 'cost of the -dependence' is. Fix quoting.
5638 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5639 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5641 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5643 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5644 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5646 2010-01-17 Richard Guenther <rguenther@suse.de>
5649 * function.c (split_complex_args): Take a VEC to modify.
5650 (assign_parms_augmented_arg_list): Build a VEC instead of
5651 a chain of PARM_DECLs.
5652 (assign_parms_unsplit_complex): Take a VEC of arguments.
5653 Do not fixup unmodified parms.
5654 (assign_parms): Deal with the VEC.
5655 (gimplify_parameters): Likewise.
5657 2010-01-17 Richard Guenther <rguenther@suse.de>
5659 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5660 node existence check.
5661 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5662 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5663 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5664 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5665 (gimple_execute_on_growing_pred): Likewise.
5667 2010-01-17 Richard Guenther <rguenther@suse.de>
5669 PR tree-optimization/42773
5670 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5671 (compute_antic_aux): Likewise.
5672 (compute_partial_antic_aux): Likewise.
5674 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5677 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5680 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5682 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5685 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5686 Fix markup for strict argument.
5688 (TARGET_SCHED_REORDER2): Fix argument types.
5690 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5691 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5693 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5694 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5696 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5699 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5700 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5701 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5702 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5703 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5705 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5707 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5709 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5710 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5712 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5714 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5717 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5719 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5720 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5722 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5724 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5726 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5727 referring to it. Fix language.
5729 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5731 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5733 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5735 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5737 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5738 '@var{stream}. Remove stray 'and'.
5740 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5742 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5744 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5746 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5747 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5749 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5750 Fix description of return value.
5751 Rename argument "sz" to "len."
5753 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5754 Clarify meaning of 'true' return value.
5756 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5758 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5759 rep_mode versus mode_rep.
5761 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5763 (TARGET_BUILTIN_DECL): Fix name.
5765 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5767 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5769 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5771 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5773 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5775 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5778 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5779 Rename argument tm_fn to md_fn.
5781 (TARGET_OPTION_PRINT): Fix argument list.
5783 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5786 * config/i386/i386.c (ix86_fixup_binary_operands):
5787 Revert FMA4 fixup of operands.
5789 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5792 * Makefile.in (write_entries_to_file, install-plugin):
5793 Use \012 instead of \n with tr.
5795 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5797 * configure.ac (HAVE_AS_REF): New C macro.
5798 * configure: Regenerate.
5799 * config.in: Likewise.
5800 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5802 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5805 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5807 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5809 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5811 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5813 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5815 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5817 (TARGET_BINDS_LOCAL_P): Fix argument type.
5819 (TARGET_ASM_FILE_END): Use prototype.
5821 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5823 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5825 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5827 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5829 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5830 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5832 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5833 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5835 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5836 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5837 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5838 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5840 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5842 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5844 (TARGET_INIT_BUILTINS): Use prototype.
5846 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5847 Put 'const char *' in braces. Fix parameter types.
5848 (TARGET_INVALID_CONVERSION): Fix parameter types.
5849 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5850 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5852 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5855 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5857 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5859 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5861 * doc/tm.texi (TARGET_HELP): Fix return type.
5863 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5864 in braces. Fix argument types.
5866 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5868 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5870 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5872 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5873 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5875 (TARGET_MANGLE_TYPE): Fix argument types.
5877 (TARGET_IRA_COVER_CLASSES): Use prototype.
5879 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5881 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5883 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5885 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5887 (TARGET_CALLEE_COPIES): Fix argument types.
5889 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5891 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5893 (TARGET_FUNCTION_VALUE): Fix argument types.
5895 (TARGET_RETURN_IN_MSB): Fix argument type.
5897 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5899 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5901 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5903 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5904 agree with return type.
5906 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5908 2010-01-15 Jing Yu <jingyu@google.com>
5910 PR rtl-optimization/42691
5911 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
5912 a pseudo to a constant and are merged, and adjust comments.
5914 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
5916 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
5918 2010-01-15 Richard Guenther <rguenther@suse.de>
5921 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
5922 labels of computed or non-local gotos to the destination.
5923 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
5924 landing pad label is the first label.
5926 2010-01-15 Richard Guenther <rguenther@suse.de>
5928 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
5930 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5933 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
5934 to allow generation of the xssqrtdp instruction on power7.
5935 (sqrtdf2_fpr): Ditto.
5937 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5940 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
5941 functions with noreturn attribute.
5944 * varasm.c (declare_weak): Add weak attribute to decl if it
5945 doesn't have one already.
5946 (assemble_external): Only add decls to weak_decls if they also
5947 have weak attribute.
5949 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
5951 * var-tracking.c (var_reg_delete): Don't delete the association
5952 between REGs and values or one-part variables if the register
5955 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5958 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
5959 because its first operand is a non-localized variable.
5961 2010-01-14 Martin Jambor <mjambor@suse.cz>
5963 PR tree-optimization/42706
5964 * tree-sra.c (encountered_recursive_call): New variable.
5965 (encountered_unchangable_recursive_call): Likewise.
5966 (sra_initialize): Initialize both new variables.
5967 (callsite_has_enough_arguments_p): New function.
5968 (scan_function): Call decl and flags check only for IPA-SRA, check
5969 whether there is a recursive call and whether it has enough arguments.
5970 (all_callers_have_enough_arguments_p): New function.
5971 (convert_callers): Look for recursive calls only when
5972 encountered_recursive_call is set.
5973 (ipa_early_sra): Bail out either if
5974 !all_callers_have_enough_arguments_p or
5975 encountered_unchangable_recursive_call.
5977 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5979 * sel-sched.c: Add 2010 to copyright years.
5980 * sel-sched-ir.c: Likewise.
5981 * sel-sched-ir.h: Likewise.
5983 2010-01-14 Martin Jambor <mjambor@suse.cz>
5985 PR tree-optimization/42714
5986 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
5987 constructors specially.
5989 2010-01-14 Andi Kleen <ak@linux.intel.com>
5991 * config/i386/drivers-i386.c (detect_caches_intel):
5992 Add l2sizekb parameter and fill in.
5993 (host_detect_local_cpu): Add l2sizekb, fill in.
5994 Add Atom small cache heuristic.
5996 2010-01-14 Andi Kleen <ak@linux.intel.com>
5998 * config/i386/drivers-i386.c (detect_caches_cpuid4):
5999 Add level3 parameter and fill in.
6000 (detect_caches_intel): Handle level3 cache.
6002 2010-01-14 Andi Kleen <ak@linux.intel.com>
6004 * config/i386/drivers-i386.c (host_detect_local_cpu):
6005 Fix core duo detection.
6007 2010-01-14 Andi Kleen <ak@linux.intel.com>
6009 * config/i386/drivers-i386.c (host_detect_local_cpu):
6012 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6014 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6015 (rs6000_variable_issue_1): this. Use...
6016 (rs6000_variable_issue): here. Reimplement. Print debug info.
6018 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6020 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6021 sel_restore_notes. Update all callers. Call reemit_notes
6024 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6026 PR rtl-optimization/42246
6027 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6030 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6032 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6033 all successors is the same as number of successors in current region.
6035 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6037 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6038 to rename is not separable. Otherwise check that its LHS is not NULL.
6040 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6042 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6044 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6046 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6047 available registers when failed to discover LHS register class.
6048 Fix indentation. Update comment.
6050 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6051 Alexander Monakov <amonakov@ispras.ru>
6053 PR rtl-optimization/42389
6054 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6056 (advance_state_on_fence): Likewise.
6057 (sel_target_adjust_priority): Print debug output only when
6058 sched_verbose >= 4, not 2.
6059 (get_expr_cost): Do not issue all unique insns on the next cycle.
6060 (fill_insns): Initialize can_issue_more from the value saved
6062 * sel-sched-ir.c (flist_add): New parameter issue_more.
6063 Init FENCE_ISSUE_MORE with it.
6064 (merge_fences): Likewise.
6065 (init_fences): Update call to flist_add.
6066 (add_to_fences, add_clean_fence_to_fences)
6067 (add_dirty_fence_to_fences): Likewise.
6068 (move_fence_to_fences): Update call to merge_fences.
6069 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6071 * sel-sched-ir.h (struct _fence): New field issue_more.
6072 (FENCE_ISSUE_MORE): New accessor macro.
6074 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6076 PR rtl-optimization/42388
6077 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6078 that have no predecessors nor successors. Do not call move_bb_info
6079 for empty blocks outside of current region.
6081 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6083 PR rtl-optimization/42294
6084 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6085 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6086 originators' originators.
6088 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6090 PR rtl-optimization/39453
6091 PR rtl-optimization/42246
6092 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6094 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6096 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6097 Alexander Monakov <amonakov@ispras.ru>
6100 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6101 (maybe_tidy_empty_bb): ... here. Make static. Add new
6102 argument. Update all callers.
6103 (tidy_control_flow): ... and here. Recompute topological order
6104 of basic blocks in region if necessary.
6105 (sel_redirect_edge_and_branch): Change return type. Return true
6106 if topological order might have been invalidated.
6107 (purge_empty_blocks): Export and move from...
6108 * sel-sched.c (purge_empty_blocks): ... here.
6109 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6110 (maybe_tidy_empty_bb): Delete prototype.
6111 (purge_empty_blocks): Declare.
6113 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6115 PR rtl-optimization/42249
6116 * sel-sched.c (try_replace_dest_reg): When chosen register
6117 and original register is the same, do not bail out early, but
6118 still check all original insns for validity of replacing destination
6119 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6122 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6125 Port from no-undefined-overflow branch:
6126 2009-03-09 Richard Guenther <rguenther@suse.de>
6128 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6130 2010-01-14 Richard Guenther <rguenther@suse.de>
6133 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6135 2010-01-14 Ira Rosen <irar@il.ibm.com>
6137 PR tree-optimization/42709
6138 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6139 as scalar type in creation of constant vector operand.
6141 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6144 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6145 (check-parallel-%): Match `testsuite' directory component only
6148 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6150 PR translation/39521
6151 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6154 2010-01-13 Richard Guenther <rguenther@suse.de>
6156 PR tree-optimization/42730
6157 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6160 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6163 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6164 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6167 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6169 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6170 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6171 ___umulsi3_highpart.
6173 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6174 rather than schedule_insns if the pass is enabled.
6176 2010-01-13 Martin Jambor <mjambor@suse.cz>
6178 PR tree-optimization/42704
6179 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6182 2010-01-13 Martin Jambor <mjambor@suse.cz>
6184 PR tree-optimization/42703
6185 * tree-sra.c (analyze_access_subtree): Check that we can build a
6186 reference to the original data within the aggregate.
6188 2010-01-13 Richard Guenther <rguenther@suse.de>
6190 PR tree-optimization/42705
6191 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6193 2010-01-13 Richard Guenther <rguenther@suse.de>
6196 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6198 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6201 * var-tracking.c (values_to_unmark): New variable.
6202 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6203 values_to_unmark vector. Moved body to...
6204 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6205 instead queue it into values_to_unmark vector.
6206 (vt_find_locations): Free values_to_unmark vector.
6208 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6210 * config/s390/s390.c (override_options): Set
6211 default of max-pending-list-length to 256
6213 2010-01-13 Richard Guenther <rguenther@suse.de>
6216 * tree-pass.h (PROP_gimple_lcx): New.
6217 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6218 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6219 before the final cleanup_eh.
6220 (dump_properties): Dump PROP_gimple_lcx.
6221 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6222 (tree_lower_complex_O0): Remove.
6223 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6224 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6225 tree_lower_complex, schedule TODO_update_ssa.
6226 * lto-streamer-out.c (output_function): Stream the functions
6228 * lto-streamer-in.c (input_function): Likewise.
6229 (lto_read_body): Do not override them here.
6231 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6234 * c-typeck.c (build_c_cast): Fold value cast to union type before
6235 wrapping it in a CONSTRUCTOR.
6237 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6239 PR rtl-optimization/42699
6240 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6243 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6245 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6246 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6247 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6248 SUBTARGET_WARN_UNUSED_SPEC): ... here
6249 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6251 2010-01-12 Julian Brown <julian@codesourcery.com>
6253 * config/arm/neon-schedgen.ml (Utils): Don't try to
6254 open missing module.
6255 (find_with_result): New.
6257 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6260 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6261 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6263 PR tree-optimization/42645
6264 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6265 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6266 decl_map, set processing_debug_stmt to -1 and return name without
6269 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6271 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6272 binutils version, and reword target configuration description.
6274 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6276 * config/avr/avr.h (LINKER_NAME): Remove.
6278 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6281 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6282 that support VSX, warn for -mno-altivec if vsx is not disabled,
6285 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6286 Shujing Zhao <pearly.zhao@oracle.com>
6288 PR translation/42469
6289 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6290 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6291 character between option name and help text.
6292 * c.opt (imultilib): Likewise.
6294 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6296 * lto-streamer-out.c (output_unreferenced_globals): Output static
6299 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6301 PR rtl-optimization/42621
6302 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6303 optimizing for size.
6304 (duplicate_computed_gotos): Remove now-redundant check.
6306 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6309 * configure.ac: Save and restore LDFLAGS and LIBS
6310 * configure: Regenerate.
6312 2010-01-10 Richard Guenther <rguenther@suse.de>
6315 * builtins.c (fold_builtin_strlen): Add type argument and
6316 convert the resulting length to it.
6317 (fold_builtin_1): Adjust.
6319 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6321 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6322 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6324 (num_insns_constant_wide): Adjust for that change.
6326 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6329 * web.c (union_defs): Add used argument, to combine uses of
6331 (entry_register): Adjust type and tests of used argument.
6332 (web_main): Widen used for new use. Pass it to union_defs.
6333 * df.h (union_defs): Adjust prototype.
6335 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6338 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6339 uses in new incoming argument. Free body.
6340 (reset_debug_uses_in_loop): New.
6341 (analyze_insn_to_expand_var): Call the latter if the former found
6342 anything. Fix whitespace. Reject invalid dest overlaps before
6343 going through all insns in the loop.
6345 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6348 * haifa-sched.c (dying_use_p): Debug insns don't count.
6350 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6353 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6354 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6355 (verify_gimple_call): Reject LHS in noreturn calls.
6357 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6361 * tree-vect-loop-manip.c (adjust_info): New type.
6362 (adjust_vec): New pointer to vector.
6363 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6364 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6365 (slpeel_update_phis_for_duplicate_loop): Use them.
6366 (slpeel_update_phi_nodes_for_guard1): Likewise.
6367 (slpeel_update_phi_nodes_for_guard2): Likewise.
6368 (slpeel_tree_peel_loop_to_edge): Likewise.
6369 (vect_update_ivs_after_vectorizer): Likewise.
6371 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6373 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6374 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6376 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6378 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6379 bogus uninitialized warning.
6381 2010-01-09 Richard Guenther <rguenther@suse.de>
6384 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6385 the evolution is compatible with the initial condition.
6387 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6389 * gcc.c (process_command): Update copyright notice dates.
6390 * gcov.c (print_version): Likewise.
6391 * gcov-dump.c (print_version): Likewise.
6392 * mips-tfile.c (main): Likewise.
6393 * mips-tdump.c (main): Likewise.
6395 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6398 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6400 (rotlhi3_8): Delete.
6402 (rotlsi3_8): Delete.
6403 (rotlsi3_16): Delete.
6404 (rotlsi3_24): Delete.
6406 (*rotw<mode>3): New.
6407 (*rotb<mode>3): New.
6408 * config/avr/avr.c (avr_rotate_bytes): New function.
6409 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6411 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6414 * configure.ac: Modify -rdynamic check.
6415 * configure: Regenerate.
6417 2010-01-08 DJ Delorie <dj@redhat.com>
6419 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6420 register popping order.
6422 2010-01-08 Richard Guenther <rguenther@suse.de>
6425 * c.opt (fsigned-char): Also let LTO handle this option.
6426 (funsigned-char): Likewise.
6428 2010-01-07 Richard Guenther <rguenther@suse.de>
6430 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6431 (gimple_op): Likewise.
6432 (gimple_op_ptr): Likewise.
6433 (gimple_assign_set_lhs): Remove gcc_assert.
6434 (gimple_assign_set_rhs1): Likewise.
6435 (gimple_assign_set_rhs2): Likewise.
6436 (gimple_call_set_lhs): Likewise.
6437 (gimple_call_set_fn): Likewise.
6438 (gimple_call_set_fndecl): Likewise.
6439 (gimple_call_fndecl): Likewise.
6440 (gimple_call_return_type): Likewise.
6441 (gimple_call_set_chain): Likewise.
6442 (gimple_call_num_args): Likewise.
6443 (gimple_call_set_arg): Likewise.
6444 (gimple_cond_set_code): Likewise.
6445 (gimple_cond_set_lhs): Likewise.
6446 (gimple_cond_set_rhs): Likewise.
6447 (gimple_cond_set_true_label): Likewise.
6448 (gimple_cond_set_false_label): Likewise.
6449 (gimple_label_set_label): Likewise.
6450 (gimple_goto_set_dest): Likewise.
6451 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6452 (gimple_debug_bind_get_value): Likewise.
6453 (gimple_debug_bind_get_value_ptr): Likewise.
6454 (gimple_debug_bind_set_var): Likewise.
6455 (gimple_debug_bind_set_value): Likewise.
6456 (gimple_debug_bind_reset_value): Likewise.
6457 (gimple_debug_bind_has_value_p): Likewise.
6458 (gimple_return_retval_ptr): Remove gcc_assert.
6459 (gimple_return_retval): Likewise.
6460 (gimple_return_set_retval): Likewise.
6461 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6462 (safe_referenced_var_iterator): Remove.
6463 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6464 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6465 (fill_referenced_var_vec): Remove.
6466 (first_readonly_imm_use): Remove redundant gcc_assert.
6467 (phi_arg_index_from_use): Combine gcc_asserts.
6468 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6469 (first_imm_use_stmt): Remove redundant gcc_assert.
6470 * tree-cfg.c (verify_gimple_call): Verify function and chain
6471 operands. Verify arguments.
6472 (verify_types_in_gimple_stmt): Verify condition code and labels.
6474 2010-01-07 Richard Guenther <rguenther@suse.de>
6476 PR tree-optimization/42641
6477 * sese.c (rename_map_elt_info): Use the SSA name version, do
6480 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6482 PR tree-optimization/42625
6483 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6484 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6486 2010-01-07 Duncan Sands <baldrick@free.fr>
6488 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6490 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6493 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6494 note itself is not function_invariant_p.
6496 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6498 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6499 Do not add the DF_NOTE problem.
6500 * store-motion.c (execute_rtl_store_motion): Likewise.
6502 2010-01-07 Martin Jambor <mjambor@suse.cz>
6504 PR tree-optimization/42157
6505 * tree-sra.c (compare_access_positions): Stabilize sort if both
6506 accesses have integer types, return zero immediately if they are the
6509 2010-01-06 Richard Henderson <rth@redhat.com>
6512 * haifa-sched.c (add_to_note_list): Merge into ...
6513 (concat_note_lists): ... here, and ...
6514 (unlink_other_notes, rm_other_notes): Merge into...
6515 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6516 NOTE_INSN_EPILOGUE_BEG.
6518 2010-01-06 Richard Guenther <rguenther@suse.de>
6520 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6521 not inline regular functions into always-inline functions.
6523 2010-01-06 Nick Clifton <nickc@redhat.com>
6525 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6526 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6528 (OVERRIDE_OPTIONS): Delete.
6529 (OPTIMIZATION_OPTIONS): Define.
6530 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6531 * config/rx/rx.c (rx_handle_option): Issue an error message if
6532 -mcpu=rx200 and -fpu are used together.
6533 (rx_set_optimization_options): New function. Issue an error
6534 message if an optimization attribute attempts to reset the FPU/
6535 math optimization pairing.
6536 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6537 * config/rx/rx.opt: Set the default to 32-bit doubles.
6538 * config/rx/t-rx: Add multilibs for -nofpu option.
6539 * doc/invoke.texi: Update documentation of RX options.
6541 2010-01-06 Richard Guenther <rguenther@suse.de>
6543 * tree-ssa-pre.c (name_to_id): New global.
6544 (alloc_expression_id): Simplify SSA name handling.
6545 (lookup_expression_id): Likewise.
6546 (init_pre): Zero name_to_id.
6547 (fini_pre): Free it.
6549 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6551 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6553 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6556 * config/i386/sse.md (smaxv2di3): New.
6557 (umaxv2di3): Likewise.
6558 (sminv2di3): Likewise.
6559 (uminv2di3): Likewise.
6561 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6564 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6565 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6566 (legitimize_tls_address): Likewise.
6567 (sparc_tls_referenced_p): Likewise.
6568 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6569 and adjust calls to legitimize_pic_address.
6570 (legitimate_constant_p) Use sparc_tls_referenced_p.
6571 (legitimate_pic_operand_p): Likewise.
6572 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6573 (sparc_tls_symbol_ref_1): Delete.
6574 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6575 (legitimize_tls_address): Make static, handle CONST patterns.
6576 (legitimize_pic_address): Make static, remove unused parameter and
6577 adjust recursive calls.
6578 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6579 and adjust call to legitimize_pic_address.
6580 (sparc_output_mi_thunk): Likewise.
6582 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6583 H.J. Lu <hongjiu.lu@intel.com>
6586 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6587 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6588 operands to make them signed.
6591 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6594 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6595 GTU to GT for V4SI and V2DI.
6597 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6598 (umin<mode>3): Removed.
6600 (uminv4si3): Likewise.
6602 2010-01-05 Martin Jambor <mjambor@suse.cz>
6604 PR tree-optimization/42462
6605 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6606 current_function_decl to helper functions and macros.
6608 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6611 * flags.h: Don't include real.h.
6612 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6613 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6614 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6615 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6616 * dominance.c: Update copyright.
6617 * gimple.c (walk_gimple_op): Remove inline.
6618 * tree-ssa-reassoc.c: Include real.h.
6619 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6620 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6622 2010-01-05 Nick Clifton <nickc@redhat.com>
6624 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6625 register to push into the stack frame when the accumulator has to
6626 be saved during interrupts.
6628 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6630 * doc/invoke.texi: Remove the documentation about option
6632 * common.opt (Wunreachable-code): Preserved for backward
6634 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6635 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6636 the backward compatibility flag section.
6638 2010-01-05 Richard Guenther <rguenther@suse.de>
6640 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6642 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6645 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6647 PR tree-optimization/42508
6648 * tree-sra.c (convert_callers): Check for recursive call
6649 by comparing cgraph nodes instead of decls.
6650 (modify_function): Call ipa_modify_formal_parameters also
6651 on all same_body aliases.
6653 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6654 cgraph nodes when checking for same_body aliases.
6656 2010-01-05 Richard Guenther <rguenther@suse.de>
6658 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6659 allocation and lookup.
6660 (get_or_alloc_expr_for_constant): Likewise.
6661 (phi_translate): Sink allocation.
6663 2010-01-04 Richard Guenther <rguenther@suse.de>
6665 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6666 a new entry only if needed.
6667 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6668 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6670 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6672 (phi_translate): Handle CONSTANTs early.
6674 2010-01-04 Martin Jambor <mjambor@suse.cz>
6676 PR tree-optimization/42398
6677 * tree-sra.c (struct access): Removed flag grp_different_types.
6678 (dump_access): Do not dump the removed flag.
6679 (sort_and_splice_var_accesses): Do not set the removed flag.
6680 (sra_modify_expr): Check for type compatibility directly.
6682 2010-01-04 Martin Jambor <mjambor@suse.cz>
6684 PR tree-optimization/42366
6685 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6686 edges with variable number of parameters.
6687 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6688 flag instead of asserting it.
6689 (ipa_read_node_info): Read uses_analysis_done flag.
6691 2010-01-04 Richard Guenther <rguenther@suse.de>
6693 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6694 iterative_hash_* as intended.
6695 (vn_reference_compute_hash): Likewise. Simplify hashing
6697 (vn_reference_lookup_2): Likewise.
6698 (vn_nary_op_compute_hash): Likewise.
6699 (vn_phi_compute_hash): Likewise.
6700 (expressions_equal_p): Remove strange code.
6701 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6702 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6703 (bitmap_insert_into_set_1): Take value-id as parameter.
6704 (add_to_value): Pass it.
6705 (bitmap_insert_into_set): Likewise.
6706 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6708 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6711 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6712 (do_self_spec): For switches with SWITCH_IGNORE set set also
6713 SWITCH_IGNORE_PERMANENTLY.
6714 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6717 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6719 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6720 tree of an unreferenced global var.
6722 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6725 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6726 GTU to GT for V4SI and V2DI.
6728 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6729 (umin<mode>3): Removed.
6731 (uminv4si3): Likewise.
6733 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6736 * collect2.c (main): Turn on trace in collect2 if -v is passed
6739 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6741 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6742 description of expression operand.
6744 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6746 * configure.ac: Add install-html to target_list for Make-hooks.
6747 * configure: Regenerate.
6748 * fortran/Make-lang.in (F95_HTMLFILES): New.
6749 (fortran.html): Use it.
6750 (fortran.install-html): New.
6751 * Makefile.in (install-html): Add lang.install-html.
6752 * java/Make-lang.in (JAVA_HTMLFILES): New.
6753 (java.html): Use it.
6754 (java.install-html): New.
6755 * objc/Make-lang.in (objc.install-html): New.
6756 * objcp/Make-lang.in (obj-c++.install-html): New.
6757 * cp/Make-lang.in (c++.install-html): New.
6758 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6759 * lto/Make-lang.in (lto.install-html): New.
6761 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6764 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6766 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6768 PR rtl-optimization/41862
6769 * store-motion.c (store_killed_in_insn, compute_store_table,
6770 remove_reachable_equiv_notes, replace_store_insn,
6771 build_store_vectors): Ignore all DEBUG_INSNs.
6773 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6776 * common.opt: Add dumpdir.
6778 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6780 (option_map): Add --dumpdir.
6782 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6784 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6786 * opts.c (decode_options): Try dump_dir_name first if
6787 dump_base_name isn't an absolute path.
6788 (common_handle_option): Handle OPT_dumpdir.
6790 * toplev.c (dump_dir_name): New.
6791 (print_switch_values): Also ignore -dumpdir.
6793 * toplev.h (dump_dir_name): New.
6795 2010-01-03 Richard Guenther <rguenther@suse.de>
6797 PR tree-optimization/42589
6798 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6799 double-word expansion of bswap32.
6801 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6803 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6804 with BLOCK_FOR_INSN.
6805 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6806 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6807 noce_process_if_block): Likewise.
6808 * gcse.c (compute_local_properties, insert_expr_in_table,
6809 insert_set_in_table, canon_list_insert, find_avail_set,
6810 pre_insert_copy_insn): Likewise.
6812 * basic-block.h (BLOCK_NUM): Move from here...
6813 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6815 2010-01-03 Richard Guenther <rguenther@suse.de>
6817 PR tree-optimization/42438
6818 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6819 contains_may_not_return_call flag.
6820 (BB_MAY_NOTRETURN): New.
6821 (valid_in_sets): Trapping nary operations are not valid
6822 in blocks that may not return.
6823 (insert_into_preds_of_block): Remove check for trapping expressions.
6824 (compute_avail): Compute also BB_MAY_NOTRETURN.
6826 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6828 * doc/invoke.texi: Add 2010 to copyright years.
6830 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6832 * config/sparc/sparc.c: Fix formatting nits.
6834 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6835 Alexander Monakov <amonakov@ispras.ru>
6837 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6839 2010-01-02 Richard Guenther <rguenther@suse.de>
6842 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6843 (simplify_switch_using_ranges): Mark to be removed edges
6846 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6848 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6850 * collect2.c (scan_libraries): Add missing argument in call to
6853 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6856 * config/alpha/predicates.md (aligned_memory_operand): Return false
6858 (unaligned_memory_operand): Return true for CQImode.
6859 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6860 doesn not cross aligned SImode word boundary.
6862 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6864 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6866 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6867 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6869 2010-01-02 Richard Guenther <rguenther@suse.de>
6872 * toplev.c (compile_file): Emit LTO marker properly. Change
6874 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6876 2010-01-01 Richard Guenther <rguenther@suse.de>
6879 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6881 2010-01-01 Richard Guenther <rguenther@suse.de>
6884 * c-decl.c (grokdeclarator): For zero-size arrays force
6885 structural equality checks as layout_type does.
6887 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6889 * builtins.c: Update copyright to 2010.
6891 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6894 * lto-streamer-out.c (produce_asm): Revert the last change.
6895 (copy_function): Likewise.
6897 * lto-streamer.c (lto_get_section_name): Skip any leading
6900 2010-01-01 Richard Guenther <rguenther@suse.de>
6903 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6907 Copyright (C) 2010 Free Software Foundation, Inc.
6909 Copying and distribution of this file, with or without modification,
6910 are permitted in any medium without royalty provided the copyright
6911 notice and this notice are preserved.