1 2010-04-21 Jakub Jelinek <jakub@redhat.com>
4 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
5 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
6 (lower_copyprivate_clauses): Use private var in outer
7 context instead of original var. Make sure the types
10 2010-04-21 Richard Guenther <rguenther@suse.de>
12 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
13 to non-pointer objects.
15 2010-04-21 Jakub Jelinek <jakub@redhat.com>
17 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
18 last chain entry if it starts with the still current label.
19 (add_location_or_const_value_attribute): Check that
20 loc_list->first->next is NULL instead of comparing ->first with
22 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
23 to add_var_loc_to_decl.
25 * dwarf2out.c (output_call_frame_info): For dw_cie_version
26 >= 4 add also address size and segment size fields into CIE
29 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
30 long as address size is the same as sizeof (void *) and
32 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
33 address size or segment size is unexpected, return DW_EH_PE_omit.
34 (classify_object_over_fdes): If get_cie_encoding returned
35 DW_EH_PE_omit, return -1.
36 (init_object): If classify_object_over_fdes returned -1,
37 pretend there were no FDEs at all.
39 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
41 * config/i386/i386.md (bswap<mode>2): Macroize expander from
42 bswap{si,di}2 using SWI48 mode iterator.
43 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
44 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
45 set modrm attribute of bswap insn to 0 and remove length attribute.
46 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
47 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
48 set mode attribute to <MODE> and remove length attribute.
50 2010-04-20 James E. Wilson <wilson@codesourcery.com>
52 PR rtl-optimization/43520
53 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
54 zero available registers.
56 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
58 * builtins.c (fold_builtin_cproj): Fold more cases.
60 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
62 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
63 (fold_builtin_1): Fold builtin cproj.
64 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
65 Use ATTR_CONST_NOTHROW_LIST.
67 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
69 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
70 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
71 ffsi2_no_cmove for !TARGET_CMOVE.
72 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
73 (ffssi2): Remove expander.
74 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
76 (ctz<mode>2): Ditto from ctz{si,di}2.
77 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
79 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
82 2010-04-20 Jakub Jelinek <jakub@redhat.com>
84 * dwarf2out.c (AT_linkage_name): Define.
85 (clone_as_declaration): Handle DW_AT_linkage_name.
86 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
87 of DW_AT_MIPS_linkage_name.
88 (move_linkage_attr): Likewise.
89 (dwarf2out_finish): Likewise.
91 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
94 * fold-const.c (fold_comparison): New folding rule.
96 2010-04-20 Anatoly Sokolov <aesok@post.ru>
98 * double-int.h (double_int_setbit): Declare.
99 * double-int.c (double_int_setbit): New function.
100 * rtl.h (immed_double_int_const): Declare.
101 * emit-rtl.c (immed_double_int_const): New function.
102 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
103 and immed_double_int_const functions.
104 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
105 expand_copysign_bit): (Ditto.).
106 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
107 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
108 * dojump.c (prefer_and_bit_test): (Ditto.).
109 * expr.c (convert_modes, reduce_to_bit_field_precision,
110 const_vector_from_tree): (Ditto.).
111 * expmed.c (mask_rtx, lshift_value): (Ditto.).
113 2010-04-20 Jan Hubicka <jh@suse.cz>
115 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
116 (dump_cgraph_node): Dump new flags.
117 * cgraph.h (struct cgraph_node): Add flags
118 reachable_from_other_partition and in_other_partition.
119 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
120 other partition can not be removed.
121 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
122 the other partition must be output; silence sanity checking on
123 leaking functions bodies from other paritition.
124 * lto-cgraph.c (reachable_from_other_partition_p): New function.
125 (lto_output_node): Output new flags; do not sanity check that inline
126 clones are output; drop lto_forced_extern_inline_p code; do not mock
127 visibility flags at partition boundaries.
128 (add_node_to): New function.
129 (output_cgraph): Use it to sort functions so masters appear before
131 (input_overwrite_node): Input new flags.
132 * passes.c (ipa_write_summaries): Do not call
133 lto_new_extern_inline_states.
134 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
135 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
136 lto_forced_extern_inline_p): Kill.
137 * lto-streamer.h (lto_new_extern_inline_states,
138 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
139 lto_forced_extern_inline_p): Kill.
141 2010-04-20 Richard Guenther <rguenther@suse.de>
143 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
144 from vars that can have pointers.
145 (process_constraint): Dump useless constraints.
147 2010-04-20 Richard Guenther <rguenther@suse.de>
149 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
150 (dump_sa_points_to_info): Remove asserts.
151 (init_base_vars): nothing_id isn't an escape point nor does it
154 2010-04-20 Jakub Jelinek <jakub@redhat.com>
156 * tree.h (TYPE_REF_IS_RVALUE): Define.
157 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
158 should_move_die_to_comdat, prune_unused_types_walk): Handle
159 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
160 (modified_type_die, gen_reference_type_die): Emit
161 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
162 if TYPE_REF_IS_RVALUE and -gdwarf-4.
164 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
167 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
168 calls for -fpic -m31 if they have been sibcall optimized.
170 2010-04-19 James E. Wilson <wilson@codesourcery.com>
172 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
173 ar.lc fixed and call-used.
175 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
177 2010-04-19 Jan Hubicka <jh@suse.cz>
179 * opts.c (decode_options): Disable whpr incompatible passes.
180 * lto/lto.c (lto_1_to_1_map): Skip clones.
181 (read_cgraph_and_symbols): Do not mark everything as needed.
182 (do_whole_program_analysis): Do map only after optimizing;
183 set proper cgraph_state; use passmanager.
185 2010-04-19 DJ Delorie <dj@redhat.com>
187 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
188 POINTER_PLUS_EXPR and fix them.
190 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
192 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
193 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
194 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
195 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
196 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
197 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
198 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
199 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
200 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
201 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
202 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
204 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
206 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
207 (check_cond_move_block): Likewise.
208 (cond_move_process_if_block): Likewise.
209 (noce_find_if_block): Improve formatting.
210 (find_if_header): Pass 0 to memset and tweak conditions.
211 (cond_exec_find_if_block): Fix long lines and tweak conditions.
213 2010-04-19 Jakub Jelinek <jakub@redhat.com>
215 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
219 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
220 with non-local decl doesn't need chain.
222 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
224 * ira-color.c (allocno_reload_assign): Avoid accumulating
225 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
227 2010-04-19 Martin Jambor <mjambor@suse.cz>
229 * gimple.h (create_tmp_reg): Declare.
230 * gimplify.c (create_tmp_reg): New function.
231 (gimplify_return_expr): Use create_tmp_reg.
232 (gimplify_omp_atomic): Likewise.
233 (gimple_regimplify_operands): Likewise.
234 * tree-dfa.c (make_rename_temp): Likewise.
235 * tree-predcom.c (predcom_tmp_var): Likewise.
236 (reassociate_to_the_same_stmt): Likewise.
237 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
238 (get_replaced_param_substitute): Likewise.
239 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
240 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
241 * tree-ssa-pre.c (get_representative_for): Likewise.
242 (create_expression_by_pieces): Likewise.
243 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
244 (create_tailcall_accumulator): Likewise.
246 2010-04-19 Martin Jambor <mjambor@suse.cz>
248 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
250 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
252 2010-04-19 Richard Guenther <rguenther@suse.de>
254 PR tree-optimization/43796
255 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
256 from SCEV in the lattice.
257 (vrp_visit_phi_node): Dump change.
259 2010-04-19 Richard Guenther <rguenther@suse.de>
261 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
262 * configure: Re-generated.
264 2010-04-19 Richard Guenther <rguenther@suse.de>
266 PR tree-optimization/43783
267 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
268 constant ARRAY_REF operands two and three if possible.
270 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
273 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
275 2010-04-19 Jie Zhang <jie@codesourcery.com>
278 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
280 2010-04-19 Ira Rosen <irar@il.ibm.com>
282 PR tree-optimization/37027
283 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
284 and macro to access it.
285 (vectorizable_reduction): Add argument.
286 (vect_get_slp_defs): Likewise.
287 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
288 statements for possible use in SLP.
289 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
290 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
291 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
293 (vectorizable_reduction): Likewise.
294 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
296 (vectorizable_type_demotion, vectorizable_type_promotion,
297 vectorizable_store): Likewise.
298 (vect_analyze_stmt): Update call to vectorizable_reduction.
299 (vect_transform_stmt): Likewise.
300 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
301 (vect_build_slp_tree): Fix indentation. Check that there are no loads
302 from different interleaving chains in same node.
303 (vect_slp_rearrange_stmts): New function.
304 (vect_supported_load_permutation_p): Allow load permutations for
305 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
306 inside SLP nodes if necessary.
307 (vect_analyze_slp_instance): Handle reductions.
308 (vect_analyze_slp): Try to build SLP instances originating from groups
310 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
311 (vect_get_constant_vectors): Create initial vectors for reductions
312 according to reduction code. Add new argument.
313 (vect_get_slp_defs): Add new argument, pass it to
314 vect_get_constant_vectors.
315 (vect_schedule_slp_instance): Remove SLP tree root statements.
317 2010-04-19 Jakub Jelinek <jakub@redhat.com>
319 * tree.h (ENUM_IS_SCOPED): Define.
320 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
321 for ENUM_IS_SCOPED enums.
323 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
325 * fold-const.c (fold_comparison): Use ssizetype.
326 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
327 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
328 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
329 * tree-object-size.c (compute_object_sizes): Use size_type_node.
331 * tree.h (initialize_sizetypes): Remove parameter.
332 (build_common_tree_nodes): Remove second parameter.
333 * stor-layout.c (initialize_sizetypes): Remove parameter.
334 Always create an unsigned type.
335 (set_sizetype): Assert that the passed type is unsigned and simplify.
336 * tree.c (build_common_tree_nodes): Remove second parameter.
337 Adjust call to initialize_sizetypes.
338 * c-decl.c (c_init_decl_processing): Remove second argument in call to
339 build_common_tree_nodes.
341 2010-04-18 Matthias Klose <doko@ubuntu.com>
343 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
345 2010-04-18 Ira Rosen <irar@il.ibm.com>
347 PR tree-optimization/43771
348 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
349 load permutation doesn't have gaps.
351 2010-04-18 Jan Hubicka <jh@suse.cz>
353 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
354 (sse_prologue_save_insn expander): Use new pattern.
355 (sse_prologue_save_insn1): New pattern and splitter.
356 (sse_prologue_save_insn): Update to deal also with 64bit aligned
358 * i386.c (setup_incoming_varargs_64): Do not compute jump
360 (ix86_gimplify_va_arg): Update alignment needed.
361 (ix86_local_alignment): Do not align all local arrays to 128bit.
363 2010-04-17 Jan Hubicka <jh@suse.cz>
365 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
367 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
369 * arm.md (negdi2): Remove redundant code to force values into a
372 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
374 * arm/bpabi.S: Add EABI alignment attributes to objects.
375 * arm/bpabi-v6m.S: Likewise.
376 * arm/crti.asm: Likewise.
377 * arm/crtn.asm: Likewise.
378 * arm/lib1funcs.asm: Likewise.
379 * arm/libunwind.S: Likewise.
381 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
383 * arm-protos.h (tune_params): New structure.
384 * arm.c (current_tune): New variable.
385 (arm_constant_limit): Delete.
386 (struct processors): Add pointer to the tune parameters.
387 (arm_slowmul_tune): New tuning option.
388 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
389 (all_cores): Adjust to pick up the tuning model.
390 (arm_constant_limit): New function.
391 (arm_override_options): Select the appropriate tuning model. Delete
392 initialization of arm_const_limit.
393 (arm_split_constant): Use the new constant-limit model.
394 (arm_rtx_costs): Pick up the current tuning model.
395 * arm.md (is_strongarm, is_xscale): Delete.
396 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
397 for Xscale variant architectures.
398 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
400 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
402 * config/arm/arm.c (arm_gen_constant): Remove unused variable
404 (arm_rtx_costs_1): Remove unused variable extra_cost.
405 (arm_unwind_emit_set): Use variable offset.
406 (thumb1_output_casesi): Remove unused variable flags.
408 2010-04-16 Jeff Law <law@redhat.com>
410 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
411 needing assignment rather than doing a two-phase assignment. Remove
414 2010-04-16 Jakub Jelinek <jakub@redhat.com>
417 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
419 2010-04-16 Doug Kwan <dougkwan@google.com>
421 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
422 (next_operand_entry_id): New static variable.
423 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
424 (add_to_ops_vec): Assigned unique ID to operand entry.
425 (struct oecount_s): New field ID.
426 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
427 (undistribute_ops_list): Assign unique IDs to oecounts.
428 (init_reassoc): reset next_operand_entry_id.
430 2010-04-16 Doug Kwan <dougkwan@google.com>
432 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
433 missing left parenthesis.
435 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
437 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
438 *btdi_rex64 using SWI48 mode iterator.
439 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
440 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
441 *jcc_btdi_mask_rex64.
443 2010-04-16 Anatoly Sokolov <aesok@post.ru>
445 * double-int.h (tree_to_double_int): Convert to macro.
446 * double-int.c (tree_to_double_int): Remove.
448 2010-04-16 Jakub Jelinek <jakub@redhat.com>
451 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
452 with want_address 2 and in case a single element list might be
453 possible, call it again with want_address 0.
455 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
457 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
458 case 'W' print operands for HI mode.
459 * config/h8300/h8300.h (Y0, Y2) : New constraints.
460 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
461 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
462 * config/h8300/predicate.md (bit_register_indirect_operand): New.
464 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
466 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
467 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
468 #xx:3 and #xx:4 mode.
470 * config/h8300/h8300.md (inverted load with HImode dest): Add
473 * config/h8300/predicate.md (bit_operand): Allow immediate values that
474 satisfy 'U' constraint.
476 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
478 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
479 * configure: Regenerate.
480 * config.in: Regenerate.
481 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
484 2010-04-16 Richard Guenther <rguenther@suse.de>
486 * tree.h (struct tree_decl_minimal): Move pt_uid ...
487 (struct tree_decl_common): ... here.
488 (DECL_PT_UID): Adjust.
489 (SET_DECL_PT_UID): Likewise.
490 (DECL_PT_UID_SET_P): Likewise.
492 2010-04-16 Richard Guenther <rguenther@suse.de>
494 PR tree-optimization/43572
495 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
496 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
497 * tree-flow.h (is_call_clobbered): Remove.
498 * tree-flow-inline.h (is_call_clobbered): Likewise.
499 * tree-dfa.c (dump_variable): Do not dump call clobber state.
500 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
501 (execute_return_slot_opt): Adjust.
502 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
503 check for call clobbered vars here.
504 (find_tail_calls): Move tailcall verification to the
507 2010-04-16 Diego Novillo <dnovillo@google.com>
509 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
511 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
514 * config/arm/arm.md (cbranchqi4): New pattern.
515 * config/arm/predicates.md (const0_operand,
516 cbranchqi4_comparison_operator): New predicates.
518 2010-04-16 Richard Guenther <rguenther@suse.de>
520 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
521 (dump_gimple_stmt): Likewise.
523 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
525 * recog.h (struct recog_data): New field is_operator.
526 (struct insn_operand_data): New field is_operator.
527 * recog.c (extract_insn): Set recog_data.is_operator.
528 * genoutput.c (output_operand_data): Emit code to set the
530 * reload.c (find_reloads): Use it rather than testing for an
531 empty constraint string.
534 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
535 If the previous insn is a cbranchsi4_insn with the same arguments,
536 omit the compare instruction.
538 * config/arm/arm.md (addsi3_cbranch): If destination is a high
539 register, inputs must be low registers and we need a low register
540 scratch. Handle alternative 2 like alternative 3.
542 2010-04-16 Jakub Jelinek <jakub@redhat.com>
544 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
545 don't call get_addr on both. If one expression is a VALUE and
546 the other a REG, check VALUE's locs if the REG isn't among them.
548 2010-04-16 Christian Bruel <christian.bruel@st.com>
550 * config/sh/sh.h (sh_frame_pointer_required): New function.
551 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
552 (flag_omit_frame_pointer) Set.
553 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
554 (rounded_frame_size): Adjust size with outgoing_args_size.
555 (sh_set_return_address): Must return from stack pointer.
556 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
557 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
558 (ACCUMULATE_OUTGOING_ARGS): Define.
559 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
560 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
562 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
565 * config/sh/sh.c (sh_legitimize_reload_address): Use
566 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
567 Remove a unneeded check for offset_base.
569 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
571 * configure: Regenerated.
573 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
575 * config/s390/s390.c (s390_call_save_register_used): Switch back
578 2010-04-15 Richard Guenther <rguenther@suse.de>
580 * alias.c (alias_set_subset_of): Handle alias-set zero
583 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
584 Julian Brown <julian@codesourcery.com>
586 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
587 alternatives according to use of high and low regs.
588 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
589 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
590 optimizing for size on Thumb-2.
592 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
594 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
596 2010-04-15 Richard Guenther <rguenther@suse.de>
598 * tree-ssa-structalias.c (struct variable_info): Add
600 (new_var_info): Initialize it.
601 (dump_constraints): Support printing last added constraints.
602 (debug_constraints): Adjust.
603 (dump_constraint_graph): Likewise.
604 (make_heapvar_for): Check for NULL cfun.
605 (get_function_part_constraint): New function.
606 (get_fi_for_callee): Likewise.
607 (find_func_aliases): Properly implement IPA PTA constraints.
608 (process_ipa_clobber): New function.
609 (find_func_clobbers): Likewise.
610 (insert_into_field_list_sorted): Remove.
611 (create_function_info_for): Properly allocate vars for IPA mode.
612 Do not use insert_into_field_list_sorted.
613 (create_variable_info_for): Properly generate constraints for
614 global vars in IPA mode.
615 (dump_solution_for_var): Always dump the solution.
616 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
617 (find_what_var_points_to): Adjust.
618 (pt_solution_set): Change.
619 (pt_solution_ior_into): New function.
620 (pt_solution_empty_p): Export.
621 (pt_solution_includes_global): Adjust.
622 (pt_solution_includes_1): Likewise.
623 (pt_solutions_intersect_1): Likewise.
624 (dump_sa_points_to_info): Check some invariants.
625 (solve_constraints): Move constraint dumping ...
626 (compute_points_to_sets): ... here.
627 (ipa_pta_execute): ... and here.
628 (compute_may_aliases): Do not re-compute points-to info
629 locally if IPA info is available.
630 (ipa_escaped_pt): New global var.
631 (ipa_pta_execute): Properly implement IPA PTA.
632 * tree-into-ssa.c (dump_decl_set): Support dumping
633 decls not in referenced-vars.
634 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
635 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
636 (dump_points_to_solution): Likewise.
637 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
638 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
639 (remap_gimple_stmt): Reset call clobber/use information if necessary.
640 (copy_decl_to_var): Copy DECL_PT_UID.
641 (copy_result_decl_to_var): Likewise.
642 * tree.c (make_node_stat): Initialize DECL_PT_UID.
643 (copy_node_stat): Copy it.
644 * tree.h (DECL_PT_UID): New macro.
645 (SET_DECL_PT_UID): Likewise.
646 (DECL_PT_UID_SET_P): Likewise.
647 (struct tree_decl_minimal): Add pt_uid member.
648 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
649 (pt_solution_empty_p): Declare.
650 (pt_solution_set): Adjust.
651 (ipa_escaped_pt): Declare.
652 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
653 * gimple-pretty-print.c (pp_points_to_solution): New function.
654 (dump_gimple_call): Dump call clobber/use information.
655 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
656 * tree-pass.h (TDF_ALIAS): New dump option.
657 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
658 * doc/invoke.texi (-fipa-pta): Update documentation.
660 2010-04-15 Richard Guenther <rguenther@suse.de>
662 * Makefile.in (OBJS-common): Add gimple-fold.o.
663 (gimple-fold.o): New rule.
664 * tree.h (maybe_fold_offset_to_reference,
665 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
667 * gimple.h: ... here.
668 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
669 may_propagate_address_into_dereference): Move prototypes ...
670 * gimple.h: ... here.
671 * tree-ssa-ccp.c (get_symbol_constant_value,
672 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
673 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
674 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
675 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
676 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
677 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
678 gimplify_and_update_call_from_tree): Move ...
679 * gimple-fold.c: ... here. New file.
680 (ccp_fold_builtin): Rename to ...
681 (gimple_fold_builtin): ... this.
682 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
684 2010-04-15 Richard Guenther <rguenther@suse.de>
686 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
687 fit_double_type, force_fit_type_double, add_double_with_sign,
688 neg_double, mul_double_with_sign, lshift_double, rshift_double,
689 lrotate_double, rrotate_double, div_and_round_double): Move ...
690 * double-int.c: ... here.
691 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
692 add_double, neg_double, mul_double_with_sign, mul_double,
693 lshift_double, rshift_double, lrotate_double, rrotate_double,
694 div_and_round_double): Move prototypes ...
695 * double-int.h: ... here.
697 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
700 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
701 matching constraints to ensure inputs match the output.
703 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
706 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
707 in an input-only operand.
709 2010-04-15 Anatoly Sokolov <aesok@post.ru>
711 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
712 (double_int_not, double_int_lshift, double_int_rshift): Declare.
713 (double_int_negative_p): Convert to static inline function.
714 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
715 (double_int_negative_p): Remove.
716 * tree.h (lshift_double, rshift_double):
717 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
718 * fold-const.c (fold_convert_const_int_from_real,
719 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
720 (lshift_double): Change type of arith argument to bool.
721 (rshift_double): Change type of arith argument to bool. Correct
723 * expmed.c (mask_rtx, lshift_value): (Ditto.).
725 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
728 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
729 at the start and end of the then/else blocks, and omit them from the
731 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
732 argument; all callers changed. Pass zero to old_insns_match_p instead.
733 (flow_find_head_matching_sequence): New function.
734 (old_insns_match_p): Check REG_EH_REGION notes for calls.
735 * basic-block.h (flow_find_cross_jump,
736 flow_find_head_matching_sequence): Declare functions.
738 2010-04-14 Jason Merrill <jason@redhat.com>
741 * c-common.c (attribute_takes_identifier_p): New fn.
742 * c-common.h: Declare it.
744 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
746 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
748 (*udivmod<mode>4): Ditto.
750 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
752 * config/i386/i386.md (maxmin_int): Rename code attribute from
753 maxminiprefix and update all users.
754 (maxmin_float): Ditto from maxminfprefix.
755 (logic): Ditto from logicprefix.
756 (absneg_mnemonic): Ditto from absnegprefix.
757 * config/i386/mmx.md: Update all users of maxminiprefix,
758 maxminfprefix and logicprefix for rename.
759 * config/i386/sse.md: Ditto.
760 * config/i386/sync.md (sync_<code><mode>): Update for
763 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
766 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
767 warnings converted to errors.
769 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
771 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
772 used insn_type variable.
773 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
774 to avoid set-but-not-used warning.
776 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
778 * df-core.c (df_ref_debug): Change format string placeholder
780 * dwarf2asm.c (dw2_asm_output_data_raw,
781 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
782 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
783 * dwarf2out.c (output_cfi, output_cfi_directive,
784 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
785 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
787 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
788 * print-rtl.c (print_rtx): Ditto.
790 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
793 * builtins.c (expand_builtin_pow_root): New function to expand pow
794 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
795 series of sqrt and cbrt calls under -ffast-math.
796 (expand_builtin_pow): Call it.
798 2010-04-14 Michael Matz <matz@suse.de>
800 PR tree-optimization/42963
801 * tree-cfg.c (touched_switch_bbs): New static variable.
802 (group_case_labels_stmt): New function broken out from ...
803 (group_case_labels): ... here, use the above.
804 (start_recording_case_labels): Allocate touched_switch_bbs.
805 (end_recording_case_labels): Deallocate it, call
806 group_case_labels_stmt.
807 (gimple_redirect_edge_and_branch): Remember index of affected BB.
809 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
811 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
814 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
816 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
818 2010-04-13 Jan Hubicka <jh@suse.cz>
820 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
821 of optimized out static functions.
822 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
823 cost computation. Also sanity check for overflows.
824 (update_caller_keys): Update cgraph_edge_badness call; properly
825 update fibheap and sanity check that it is up to date.
826 (add_new_edges_to_heap): Update cgraph_edge_badness.
827 (cgraph_decide_inlining_of_small_function): Likewise;
828 add sanity checking that badness in heap is up to date;
829 improve dumping of reason; Update badness of calls to the
830 offline copy of function currently inlined; dump badness
831 of functions not inlined because of unit growth limits.
833 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
836 * c-common.c (pointer_int_sum): Disregard overflow that occured only
837 because of sign-extension change when converting to sizetype here...
838 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
840 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
841 the folding to constants. Remove redundant final conversion.
842 (fold_binary) <associate>: Do not associate if the re-association of
843 constants alone overflows.
844 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
845 to the end of the list.
846 (multiple_of_p) <COND_EXPR>: New case.
848 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
850 * opt-functions.awk (opt_sanitized_name): New.
852 * optc-gen.awk: Use it
853 * opth-gen.awk: Use it.
855 2010-04-13 Martin Jambor <mjambor@suse.cz>
857 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
858 (sra_modify_assign): Delete stmts loading dead data even if racc has no
859 children. Call replace_uses_with_default_def_ssa_name to handle
862 2010-04-13 Michael Matz <matz@suse.de>
865 * builtins.c (expand_builtin_interclass_mathfn): Also create
866 a register if the predicate doesn't match.
868 2010-04-13 Diego Novillo <dnovillo@google.com>
870 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
871 * c-pch.c: Include timevar.h.
872 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
873 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
874 * ggc-common.c: Include timevar.h.
875 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
876 * timevar.def (TV_PCH_SAVE): Define.
877 (TV_PCH_CPP_SAVE): Define.
878 (TV_PCH_PTR_REALLOC): Define.
879 (TV_PCH_PTR_SORT): Define.
880 (TV_PCH_RESTORE): Define.
881 (TV_PCH_CPP_RESTORE): Define.
883 2010-04-13 Michael Matz <matz@suse.de>
885 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
887 (can_reassociate_p): New function.
888 (break_up_subtract_bb, reassociate_bb): Use it.
890 2010-04-13 Richard Guenther <rguenther@suse.de>
893 * builtins.c (c_readstr): Fix assert.
895 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
897 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
898 when generating cltd insn.
900 (*ashl<mode>3_1): Remove special handling for register operand 2.
901 (*ashlsi3_1_zext): Ditto.
903 (*ashlhi3_1_lea): Ditto.
905 (*ashlqi3_1_lea): Ditto.
906 (*<shiftrt_insn><mode>3_1): Ditto.
907 (*<shiftrt_insn>si3_1_zext): Ditto.
908 (*<shiftrt_insn>qi3_1_slp): Ditto.
909 (*<rotate_insn><mode>3_1): Ditto.
910 (*<rotate_insn>si3_1_zext): Ditto.
911 (*<rotate_insn>qi3_1_slp): Ditto.
913 2010-04-13 Richard Guenther <rguenther@suse.de>
915 * tree-ssa-structalias.c (callused_id): Remove.
916 (call_stmt_vars): New.
917 (get_call_vi): Likewise.
918 (lookup_call_use_vi): Likewise.
919 (lookup_call_clobber_vi): Likewise.
920 (get_call_use_vi): Likewise.
921 (get_call_clobber_vi): Likewise.
922 (make_transitive_closure_constraints): Likewise.
923 (handle_const_call): Adjust to do per-call call-used handling.
924 (handle_pure_call): Likewise.
925 (find_what_var_points_to): Remove general callused handling.
926 (init_base_vars): Likewise.
927 (init_alias_vars): Initialize call_stmt_vars.
928 (compute_points_to_sets): Process call-used and call-clobbered
929 vars for call statements.
930 (delete_points_to_sets): Free call_stmt_vars.
932 2010-04-13 Richard Guenther <rguenther@suse.de>
934 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
935 Only add RW dependence for dependence distance zero.
936 Adjust maximal vectorization factor according to dependences.
937 Move alignment handling ...
938 (vect_find_same_alignment_drs): ... here. New function.
939 (vect_analyze_data_ref_dependences): Adjust.
940 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
941 (vect_analyze_data_refs): Adjust minimal vectorization factor
942 according to data references.
943 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
944 dependences before determining the vectorization factor.
945 Analyze alignment after determining the vectorization factor.
946 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
947 dependences before alignment.
948 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
950 (vect_analyze_data_refs): Likewise.
951 (MAX_VECTORIZATION_FACTOR): New define.
953 2010-04-13 Duncan Sands <baldrick@free.fr>
955 * except.h (lang_eh_type_covers): Remove.
956 * except.c (lang_eh_type_covers): Likewise.
958 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
959 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
961 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
962 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
963 UNITS_PER_LONG where it is ABI relevant.
964 (s390_return_addr_rtx): Likewise.
965 (s390_back_chain_rtx): Likewise.
966 (s390_frame_area): Likewise.
967 (s390_frame_info): Likewise.
968 (s390_initial_elimination_offset): Likewise.
969 (save_gprs): Likewise.
970 (s390_emit_prologue): Likewise.
971 (s390_emit_epilogue): Likewise.
972 (s390_function_arg_advance): Likewise.
973 (s390_function_arg): Likewise.
974 (s390_va_start): Likewise.
975 (s390_gimplify_va_arg): Likewise.
976 (s390_function_profiler): Likewise.
977 (s390_optimize_prologue): Likewise.
978 (s390_rtx_costs): Likewise.
979 (s390_secondary_reload): Likewise.
980 (s390_promote_function_mode): Likewise.
981 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
982 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
984 (s390_unwind_word_mode): New function.
985 (s390_function_value): Split 64 bit values into register pair if
986 used as return value.
987 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
988 function call parameters. Handle parallels.
989 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
990 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
991 (DWARF_CIE_DATA_ALIGNMENT): New macro.
992 (s390_expand_setmem): Remove unused variable src_addr.
993 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
994 deal with 64 bit registers.
995 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
996 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
997 (UNITS_PER_LONG): New macro.
998 * libjava/include/s390-signal.h: Define extended ucontext
999 structure containing the upper halfs of the 64 bit registers.
1001 2010-04-13 Simon Baldwin <simonb@google.com>
1003 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1005 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1007 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1008 rvalue on the RHS if the LHS is of a non-renamable type.
1009 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1011 2010-04-13 Matthias Klose <doko@ubuntu.com>
1013 * gcc.c (cc1_options): Handle -iplugindir before processing
1014 the cc1 spec. Only add -iplugindir once.
1015 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1017 * common.opt (iplugindir): Remove `Separate' property, initialize.
1018 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1020 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1021 (distclean): Remove plugin dir.
1022 * doc/invoke.texi: Document -iplugindir.
1024 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1026 * doc/plugins.texi (Loading Plugins): Document short
1027 -fplugin=foo option.
1028 (Plugin API): Mention default_plugin_dir_name function.
1030 * gcc.c (find_file_spec_function): Add new declaration.
1031 (static_spec_func): Use it for "find-file".
1032 (find_file_spec_function): Add new function.
1033 (cc1_options): Add -iplugindir option if -fplugin* options found.
1035 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1037 * plugin.c (add_new_plugin): Updated comment, and handle short
1039 (default_plugin_dir_name): Added new function.
1041 * common.opt (iplugindir): New option to set the plugin directory.
1043 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1045 * config/i386/i386.md (any_rotate): New code iterator.
1046 (rotate_insn): New code attribute.
1048 (SWIM124): New mode iterator.
1049 (<rotate_insn>ti3): New expander.
1050 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1051 any_rotate code iterator.
1052 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1053 using any_rotate code iterator and SWIM124 mode iterator.
1054 (ix86_rotlti3): New insn_and_split pattern.
1055 (ix86_rotrti3): Ditto.
1056 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1057 ix86_rotl{di,ti}3 patterns.
1058 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1059 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1060 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1061 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1062 code iterator and SWI mode iterator.
1063 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1064 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1066 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1067 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1068 (bswap rotatert splitter): Add splitter.
1069 (bswap splitter): Macroize splitter using any_rotate code iterator.
1070 Add insn predicate to split only for TARGET_USE_XCHGB or when
1071 optimizing function for size.
1073 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1075 * config/pa/pa.c (emit_move_sequence): Remove use of
1076 deleted variable flag_argument_noalias.
1078 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1080 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1082 Add to unsupported targets list.
1083 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1084 sparc*-sun-solaris2.[567]* from target lists.
1085 * configure: Regenerate.
1086 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1088 Remove Solaris 7 patch references.
1089 (Specific, sparc-sun-solaris2.7): Removed.
1090 (sparc-sun-solaris2*): Update Solaris 7 example.
1091 (sparc64-*-solaris2*): Likewise.
1093 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1095 * config.build (alpha*-dec-osf4*): Remove.
1096 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1097 of obsolete configurations.
1098 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1100 * config/alpha/t-osf4: Renamed to ...
1101 * config/alpha/t-osf5: ... this.
1102 * config/alpha/osf.h: Renamed to ...
1103 * config/alpha/osf5.h: ... this.
1104 Merged old osf5.h contents.
1106 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1107 (EXTRA_SPECS): Removed.
1108 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1109 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1112 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1114 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1116 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1119 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1120 __thiscall convention.
1122 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1124 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1126 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1128 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1130 * function.c (assign_parms_initialize_all): Add unused attribute
1133 2010-04-12 Richard Guenther <rguenther@suse.de>
1135 * gsstruct.def (GSS_CALL): New.
1136 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1137 * gimple.h: Include tree-ssa-alias.h.
1138 (struct gimple_statement_call): New.
1139 (union gimple_statement_struct_d): Add gimple_call member.
1140 (gimple_call_reset_alias_info): Declare.
1141 (gimple_call_use_set): New function.
1142 (gimple_call_clobber_set): Likewise.
1143 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1144 * gimple.c (gimple_call_reset_alias_info): New function.
1145 (gimple_build_call_1): Call it.
1146 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1147 * tree-inline.c (remap_gimple_stmt): Likewise.
1148 (expand_call_inline): Remove callused handling.
1149 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1150 * tree-dfa.c (dump_variable): Likewise.
1151 * tree-parloops.c (parallelize_loops): Likewise.
1152 * tree-ssa.c (init_tree_ssa): Likewise.
1153 (delete_tree_ssa): Likewise.
1154 * tree-flow-inline.h (is_call_used): Remove.
1155 * tree-flow.h (struct gimple_df): Remove callused member.
1156 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1157 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1158 (ref_maybe_used_by_call_p_1): Simplify.
1159 (call_may_clobber_ref_p_1): Likewise.
1160 * tree-ssa-structalias.c (compute_points_to_sets): Set
1161 the call stmt used and clobbered sets.
1162 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1163 (find_tail_calls): Verify the tail call.
1165 2010-04-12 Richard Guenther <rguenther@suse.de>
1167 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1168 single-iteration always-inline inlining.
1169 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1170 (cgraph_decide_inlining): Do not handle always-inline specially.
1171 (try_inline): Remove always-inline cycle detection special case.
1172 Do not recurse on always-inlines.
1173 (cgraph_early_inlining): Do not iterate if not optimizing.
1174 (cgraph_gate_early_inlining): remove.
1175 (pass_early_inline): Run unconditionally.
1176 (gate_cgraph_decide_inlining): New function.
1177 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1178 not inlining or optimizing.
1179 (cgraph_decide_inlining_of_small_functions): Also consider
1180 always-inline functions.
1181 (cgraph_default_inline_p): Return true for nodes which should
1182 disregard inline limits.
1183 (estimate_function_body_sizes): Assume zero size and time for
1184 nodes which are marked as disregarding inline limits.
1185 (cgraph_decide_recursive_inlining): Do not perform recursive
1186 inlining on always-inline nodes.
1188 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1191 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1192 for exprs satisfying handled_component_p.
1194 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1196 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1197 non-constant aggregate elements.
1199 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1200 is a real initialization.
1202 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1205 * c-decl.c (start_function): Move forward check for nested function.
1207 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1209 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1210 * config/sh/sh.c: Include reload.h.
1211 (sh_legitimize_reload_address): New.
1212 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1213 sh_legitimize_reload_address.
1215 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1217 * config/sh/sh.md (*movqi_pop): New insn pattern.
1218 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1220 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1222 * config/i386/i386.md (any_shiftrt): New code iterator.
1223 (shiftrt_insn): New code attribute.
1225 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1226 using any_shiftrt code iterator.
1227 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1228 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1229 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1230 pattern from corresponding peephole2 patterns.
1231 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1232 using any_shiftrt code iterator.
1233 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1234 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1235 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1236 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1237 *{ashr,lshr}<mode>3_cmp_zext.
1238 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1240 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1242 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1244 (*lshr<mode>3_cconly): Ditto.
1246 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1248 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1249 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1250 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1251 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1253 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1254 from corresponding peephole2 patterns.
1255 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1256 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1257 and *lshrdi3_1_rex64 using SWI mode iterator.
1258 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1259 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1260 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1261 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1262 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1263 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1264 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1265 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1266 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1269 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1271 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1272 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1273 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1274 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1276 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1277 from corresponding peephole2 patterns.
1278 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1279 (ashrsi3_cvt): Rename from ashrsi3_31.
1280 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1281 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1282 and x86_64_shift_adj_3 using SWI48 mode iterator.
1283 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1284 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1285 and *ashrdi3_1_rex64 using SWI mode iterator.
1286 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1287 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1288 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1289 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1290 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1291 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1292 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1293 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1294 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1296 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1297 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1298 x86_shift<mode>_adj_3 expanders.
1300 2010-04-10 Wei Guozhi <carrot@google.com>
1303 * config/arm/arm.c (arm_pic_static_addr): New function.
1304 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1306 (arm_output_addr_const_extra): Output expression for new pattern.
1307 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1309 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1311 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1314 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1315 * web.c: Include "insn-config.h" and "recog.h".
1316 (union_match_dups): New function.
1317 (web_main): Call it.
1318 (union_defs): Don't try to recognize match_dups.
1320 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1321 if doing so would replace the entire pattern.
1323 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1327 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1328 and splitter pattern. Change splitter operand 1 predicate to
1331 2010-04-09 Martin Jambor <mjambor@suse.cz>
1333 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1334 lattices are addresses of CONST_DECLs with the same initial value.
1335 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1336 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1338 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1339 Bernd Schmidt <bernds@codesourcery.com>
1341 * loop-invariant.c (replace_uses): New static function.
1342 (move_invariant_reg): Use it to ensure we can replace the uses.
1344 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1346 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1348 (picochip_override_options): Enable section anchors only above -O1.
1349 (picochip_reorg): Fixed a couple of build warnings.
1351 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1353 * configure.ac (plugin -rdynamic test): Log result.
1354 * configure: Regenerate.
1355 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1356 (RDYNAMIC_SPEC): Define.
1357 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1359 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1361 * configure.ac: Determine Sun ld version numbers.
1362 (comdat_group): Restrict GNU ld version checks to gld.
1363 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1364 (enable_comdat): Support --enable-comdat.
1365 * configure: Regenerate.
1366 * doc/install.texi (Configuration): Document --enable-comdat.
1368 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1370 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1371 * config/sol2-gld.h: ... here.
1372 * config.gcc (sparc*-*-solaris2*): Reflect this.
1373 (i[34567]86-*-solaris2*): Use it.
1375 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1377 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1379 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1381 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1384 * diagnostic.c (diagnostic_initialize): Initialize
1385 some_warnings_are_errors.
1386 (diagnostic_finish): New.
1387 (diagnostic_action_after_output): Call it before exiting.
1388 (diagnostic_report_diagnostic): Do not print message here. Set
1389 some_warnings_are_errors.
1390 * diagnostic.h (diagnostic_context): Delete
1391 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1392 (diagnostic_finish): Declare.
1393 * toplev.c (toplev_main): Call it before exit.
1395 2010-04-09 Jason Merrill <jason@redhat.com>
1398 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1399 for incomplete type.
1402 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1403 based on a warning flag.
1405 2010-04-09 Richard Guenther <rguenther@suse.de>
1407 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1409 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1412 * varasm.c (default_assemble_visibility): Wrap vars that are
1413 set, but unused, by targets without GAS.
1414 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1415 Remove set, but unused, vars.
1416 (rs6000_legitimize_tls_address): Likewise.
1417 (altivec_expand_dst_builtin): Likewise.
1418 * config/darwin.c (machopic_classify_symbol): Likewise.
1419 (machopic_indirection_name): Likewise.
1421 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1423 * config/i386/i386.md (DWI): New mode iterator.
1424 (S): New mode attribute.
1425 (shift_operand): Ditto.
1426 (shift_immediate_operand): Ditto.
1427 (ashl_input_operand): Ditto.
1428 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1429 using SDWIM mode iterator.
1430 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1431 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1433 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1434 from corresponding peephole2 patterns.
1435 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1436 and x86_64_shift_adj_1 using SWI48 mode iterator.
1437 (x86_shift<mode>_adj_2): Ditto.
1438 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1439 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1440 using SWI48 mode iterator.
1441 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1442 *ashldi3_cmp_rex64 using SWI mode iterator.
1443 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1444 *ashldi3_cconly_rex64 using SWI mode iterator.
1445 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1446 x86_shift<mode>_adj_{1,2}.
1447 (ix86_split_ashr): Ditto.
1448 (ix86_split_lshr): Ditto.
1450 2010-04-09 Richard Guenther <rguenther@suse.de>
1452 * target.h (builtin_conversion): Pass in input and output types.
1453 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1454 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1455 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1456 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1458 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1460 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1462 2010-04-09 Richard Guenther <rguenther@suse.de>
1465 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1467 2010-04-09 Richard Guenther <rguenther@suse.de>
1469 * tree-vectorizer.h (struct _stmt_vec_info): Document
1470 that vectype is the type of the LHS.
1471 (supportable_widening_operation, supportable_narrowing_operation):
1472 Get both input and output vector types as arguments.
1473 (vect_is_simple_use_1): Declare.
1474 (get_same_sized_vectype): Likewise.
1475 * tree-vect-loop.c (vect_determine_vectorization_factor):
1476 Set STMT_VINFO_VECTYPE to the vector type of the def.
1477 (vectorizable_reduction): Adjust.
1478 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1479 Adjust. Specify the output vector type.
1480 (vect_pattern_recog_1): Adjust.
1481 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1482 (vectorizable_call): Adjust.
1483 (vectorizable_conversion): Likewise.
1484 (vectorizable_operation): Likewise.
1485 (vectorizable_type_demotion): Likewise.
1486 (vectorizable_type_promotion): Likewise.
1487 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1489 (vect_is_simple_use_1): New function.
1490 (supportable_widening_operation): Get both input and output
1492 (supportable_narrowing_operation): Likewise.
1493 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1495 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1497 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1498 __thiscall and _thiscall as predefined macros.
1499 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1500 thiscall attribute handling.
1501 (ix86_comp_type_attributes): Likewise.
1502 (ix86_function_regparm): Likewise.
1503 (ix86_return_pops_args): Likewise.
1504 (init_cumulative_args): Likewise.
1505 (find_drap_reg): Likewise.
1506 (ix86_static_chain): Likewise.
1507 (x86_this_parameter): Likewise.
1508 (x86_output_mi_thunk): Likewise.
1509 (ix86_attribute_table): Add description for thiscall attribute.
1510 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1511 * doc/extend.texi: Add documentation for thiscall.
1513 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1516 * c.opt (Wint-to-pointer-cast): Available in C++.
1517 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1519 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1521 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1522 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1523 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1524 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1525 function type instead. Reorder and simplify checks.
1527 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1529 2010-04-08 Jing Yu <jingyu@google.com>
1530 Zdenek Dvorak <ook@ucw.cz>
1532 PR tree-optimization/42720
1533 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1534 loop unswitch conditions here from ...
1535 (tree_unswitch_single_loop): ... here.
1537 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1539 * tree-if-conv.c: Fix comments and simplify logic.
1541 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1543 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1544 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1545 (main_tree_if_conversion): Update call to tree_if_conversion.
1547 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1550 * doc/invoke.texi (-b,-V): Delete.
1551 * doc/tm.texi: Do not mention -b.
1552 * gcc.c (display_help): Delete -b and -V.
1553 (process_command): Delete -b and -V.
1554 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1556 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1557 Wolfgang Gellerich <gellerich@de.ibm.com>
1559 Implement target hook for loop unrolling
1560 * target.h (loop_unroll_adjust): Add a new target hook function.
1561 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1562 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1563 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1564 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1565 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1567 (decide_unroll_stupid): Likewise.
1569 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1572 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1574 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1576 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1577 (Specific, *-*-solaris2*): Likewise.
1578 Don't prefer Sun as over GNU as.
1580 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1582 * config/s390/s390.c (override_options): Adjust the z10
1583 defaults for max-unroll-times, max-completely-peeled-insns
1584 and max-completely-peel-times.
1586 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1588 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1589 instructions for z10.
1590 (s390_expand_setmem): Likewise.
1591 (s390_expand_cmpmem): Likewise.
1593 2010-04-08 Richard Guenther <rguenther@suse.de>
1595 PR tree-optimization/43679
1596 * tree-ssa-pre.c (eliminate): Only propagate copies.
1598 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1601 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1602 set but not used variable warning.
1604 2010-04-08 Wei Guozhi <carrot@google.com>
1607 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1608 (arm_size_rtx_costs): Call the new function when optimized for size.
1610 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1613 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1614 op0 is not a MEM, just return NULL instead of assertion
1616 (discover_nonconstant_array_refs): Don't walk debug stmts.
1618 2010-04-08 Doug Kwan <dougkwan@google.com>
1620 * configure.ac: Recognize gold and do not use its version number
1621 to test ld features.
1622 * configure: Regenerate.
1624 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1627 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1628 (negate_value): Move code to push elements to broken_up_substracts ...
1629 (eliminate_plus_minus_pair): ... here. Push operands that have no
1630 negative pair to plus_negates.
1631 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1633 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1635 * doc/install.texi (Configuration): Move description of
1636 --enable-lto, --with-libelf*, --enable-gold from Java section to
1639 * doc/generic.texi (Working with declarations)
1640 (Function Properties, C and C++ Trees): Fix typos.
1641 * doc/sourcebuild.texi (Top Level): Likewise.
1643 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1646 * tree.h (DECL_READ_P): Define.
1647 (struct tree_decl_common): Add decl_read_flag.
1648 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1649 a set but not used warning.
1650 (merge_decls): Merge DECL_READ_P flag.
1651 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1652 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1653 * c-common.c (handle_used_attribute, handle_unused_attribute):
1655 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1657 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1659 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1660 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1661 c_parser_binary_expression, c_parser_cast_expression,
1662 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1663 Call default_function_array_read_conversion instead of
1664 default_function_array_conversion where needed.
1665 (c_parser_unary_expression, c_parser_conditional_expression,
1666 c_parser_postfix_expression_after_primary, c_parser_initelt):
1667 Likewise. Call mark_exp_read where needed.
1668 (c_parser_statement_after_labels, c_parser_asm_operands,
1669 c_parser_typeof_specifier, c_parser_sizeof_expression,
1670 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1672 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1674 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1675 (warn_unused_but_set_parameter): Default to warn_unused
1677 * doc/invoke.texi: Document -Wunused-but-set-variable and
1678 -Wunused-but-set-parameter.
1680 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1681 used count variable.
1682 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1683 when operandN variables aren't used in the body of the expander
1685 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1686 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1687 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1688 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1689 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1690 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1691 * tree.c (PROCESS_ARG): Likewise.
1693 2010-04-07 Simon Baldwin <simonb@google.com>
1695 * diagnostic.h (diagnostic_override_option_index): New macro to
1696 set a diagnostic's option_index.
1697 * c-tree.h (c_cpp_error): Add warning reason argument.
1698 * opts.c (_warning_as_error_callback): New.
1699 (register_warning_as_error_callback): Store callback for
1700 warnings enabled via enable_warning_as_error.
1701 (enable_warning_as_error): Call callback, minor code tidy.
1702 * opts.h (register_warning_as_error_callback): Declare.
1703 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1704 response to -Werror=.
1705 (c_common_init_options): Register warning_as_error_callback in opts.c.
1706 * common.opt: Add -Wno-cpp option.
1707 * c-common.c (struct reason_option_codes_t): Map cpp warning
1708 reason codes to gcc option indexes.
1709 * (c_option_controlling_cpp_error): New function, lookup the gcc
1710 option index for a cpp warning reason code.
1711 * (c_cpp_error): Add warning reason argument, call
1712 c_option_controlling_cpp_error for diagnostic_override_option_index.
1713 * doc/invoke.texi: Document -Wno-cpp.
1715 2010-04-07 Richard Guenther <rguenther@suse.de>
1717 * ipa-reference.c (mark_load): Use get_base_address.
1718 (mark_store): Likewise.
1720 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1721 inserting GIMPLE_NOPs into the IL.
1722 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1723 Explicitly strip handled components and indirect references.
1725 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1726 folding address expressions.
1727 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1728 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1729 operand_equal_p to compare decls.
1730 (ptr_deref_may_alias_decl_p): Likewise.
1731 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1732 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1733 Handle reversed comparison ops.
1734 * tree-sra.c (asm_visit_addr): Use get_base_address.
1735 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1736 * ipa-reference.c (mark_address): Use get_base_address.
1738 2010-04-07 Richard Guenther <rguenther@suse.de>
1740 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1741 Propagate constants everywhere.
1743 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1746 * tree.c (MAX_INT_CACHED_PREC): Define.
1747 (nonstandard_integer_type_cache): New array.
1748 (build_nonstandard_integer_type): Cache results for precision
1749 <= MAX_INT_CACHED_PREC.
1751 2010-04-07 Richard Guenther <rguenther@suse.de>
1753 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1754 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1755 * common.opt: Likewise.
1756 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1757 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1758 (nonoverlapping_memrefs_p): Likewise.
1759 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1760 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1761 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1762 OPT_fargument_noalias_global for backward compatibility.
1764 2010-04-07 Richard Guenther <rguenther@suse.de>
1766 PR tree-optimization/43270
1767 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1768 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1769 * tree-ssa-pre.c (phi_translate_1): Adjust.
1770 (fully_constant_expression): Split out vn_reference handling to ...
1771 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1772 Fold reads from constant strings.
1773 (vn_reference_lookup): Handle fully constant references.
1774 (vn_reference_lookup_pieces): Likewise.
1775 * Makefile.in (expmed.o-warn): Add -Wno-error.
1777 2010-04-07 Martin Jambor <mjambor@suse.cz>
1779 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1781 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1784 * gcc.c: Add -static-libstdc++ to list of recognized options.
1786 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1788 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1790 2010-04-07 Richard Guenther <rguenther@suse.de>
1793 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1794 bases build simple mem attributes to retain points-to information.
1796 2010-04-07 Richard Guenther <rguenther@suse.de>
1799 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1800 preserve points-to related information.
1802 2010-04-07 Richard Guenther <rguenther@suse.de>
1805 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1806 discard plain indirect references.
1807 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1808 * tree.c (tree_nop_conversion): Likewise.
1810 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1813 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1815 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1817 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1818 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1820 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1822 * tree-if-conv.c: Fix indentation and comments.
1824 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1826 * tree-if-conv.c: Sort static functions in topological order.
1828 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1830 * tree-if-conv.c: Fix indentation and comments.
1832 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1835 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1836 lang_hooks.types.type_for_size instead of
1837 build_nonstandard_integer_type.
1838 When converting an unsigned type to signed, double its precision.
1839 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1840 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1841 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1844 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1847 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1848 POINTER_PLUS_EXPR for pointer types.
1850 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1853 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1854 * graphite-clast-to-gimple.c: Include langhooks.h.
1855 (max_signed_precision_type): New.
1856 (max_precision_type): Takes two types as arguments.
1857 (precision_for_value): New.
1858 (precision_for_interval): New.
1859 (gcc_type_for_interval): New.
1860 (gcc_type_for_value): New.
1861 (gcc_type_for_clast_term): New.
1862 (gcc_type_for_clast_red): New.
1863 (gcc_type_for_clast_bin): New.
1864 (gcc_type_for_clast_expr): Split up into several functions.
1865 (gcc_type_for_clast_eq): Rewritten.
1866 (compute_bounds_for_level): New.
1867 (compute_type_for_level_1): New.
1868 (compute_type_for_level): New.
1869 (gcc_type_for_cloog_iv): Removed.
1870 (gcc_type_for_iv_of_clast_loop): Rewritten.
1871 (graphite_create_new_loop): Compute the lower and upper bound types
1872 with gcc_type_for_clast_expr.
1873 (graphite_create_new_loop_guard): Same.
1874 (find_cloog_iv_in_expr): Removed.
1875 (compute_cloog_iv_types_1): Removed.
1876 (compute_cloog_iv_types): Removed.
1877 (gloog): Do not call compute_cloog_iv_types.
1878 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1880 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1881 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1882 (GBB_CLOOG_IV_TYPES): Removed.
1884 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1886 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1887 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1888 (detect_commutative_reduction): Same.
1890 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1892 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1893 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1895 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1896 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1897 (rewrite_commutative_reductions_out_of_ssa): Same.
1898 * passes.c (execute_function_todo): Call verify_ssa for every pass
1899 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1900 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1901 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1902 with an extra argument.
1903 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1904 verify_ssa only when the extra argument is true.
1905 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1906 with an extra argument.
1907 (tree_transform_and_unroll_loop): Same.
1909 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1911 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1912 for all the passes of the LNO having LOOP_CLOSED_SSA.
1913 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1914 * tree-loop-distribution.c (pass_loop_distribution): Same.
1915 * tree-pass.h (TODO_verify_loops): Removed.
1916 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1918 (pass_tree_unswitch): Same.
1919 (pass_predcom): Same.
1920 (pass_vectorize): Same.
1921 (pass_linear_transform): Same.
1922 (pass_graphite_transforms): Same.
1923 (pass_iv_canon): Same.
1924 (pass_complete_unroll): Same.
1925 (pass_complete_unrolli): Same.
1926 (pass_parallelize_loops): Same.
1927 (pass_loop_prefetch): Same.
1928 (pass_iv_optimize): Same.
1930 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1933 * passes.c (init_optimization_passes): Move pass_lim before
1934 pass_copy_prop and pass_dce_loop.
1936 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1939 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1940 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1941 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1942 MULTI_* defines for 4 argument vpermil2p* builtins.
1944 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1946 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1947 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1948 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1949 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1950 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1951 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1952 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1953 Use x86_maybe_negate_const_int to output insn mnemonic.
1954 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1955 check from instruction predicate. Update comments.
1956 * config/i386/sync.md (sync_add<mode>): Use
1957 x86_maybe_negate_const_int to output insn mnemonic.
1959 2010-04-06 Jan Hubicka <jh@suse.cz>
1961 PR tree-optimization/42906
1962 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1963 IGNORE_SELF argument. Set visited_control_parents for fully
1965 (find_obviously_necessary_stmts): Update call of
1966 mark_control_dependent_edges_necessary.
1967 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1969 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1971 * config/i386/i386.md: Remove comment about 'e' and 'E'
1974 2010-04-06 Richard Guenther <rguenther@suse.de>
1976 PR tree-optimization/43627
1977 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1978 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1981 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1983 * BASE-VER: Change to 4.6.0.
1986 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1989 2010-04-06 Richard Guenther <rguenther@suse.de>
1992 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1994 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1996 * doc/invoke.texi (Optimize Options): Document that LTO
1997 won't remove object access purely due to incompatible
2000 2010-04-04 Matthias Klose <doko@ubuntu.com>
2002 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2003 Initialize variable.
2005 2010-04-03 Richard Guenther <rguenther@suse.de>
2008 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2009 require a non-NULL MEM_OFFSET.
2011 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2013 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2014 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2015 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2016 config/alpha/predicates.md, config/arm/arm.md,
2017 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2018 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2019 config/darwin9.h, config/darwin.c, config/darwin.h,
2020 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2021 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2022 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2023 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2024 config/mips/mips.md, config/mn10300/mn10300.c,
2025 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2026 config/rs6000/aix.h, config/rs6000/dfp.md,
2027 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2028 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2029 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2030 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2031 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2032 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2033 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2034 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2035 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2036 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2037 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2038 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2039 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2040 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2041 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2042 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2043 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2044 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2045 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2046 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2047 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2048 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2049 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2050 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2051 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2052 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2053 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2054 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2055 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2056 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2057 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2058 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2059 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2060 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2061 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2062 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2064 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2067 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2068 * aclocal.m4: Regenerate.
2070 2010-04-02 Richard Guenther <rguenther@suse.de>
2072 PR tree-optimization/43629
2073 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2074 if we have seen a constant value.
2076 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2078 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2080 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2083 * arm.c (legitimize_tls_address): Adjust call to
2084 gen_tls_load_dot_plus_four.
2085 (arm_note_pic_base): New function.
2086 (arm_cannot_copy_insn_p): Use it.
2087 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2090 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2095 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2097 * Makefile.in ($(out_object_file)): Depend on
2098 gt-$(basename $(notdir $(out_file))).h.
2100 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2102 * config.gcc (lm32-*-rtems*): Add t-lm32.
2104 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2106 * config.gcc: Add lm32-*-rtems*.
2107 * config/lm32/rtems.h: New file.
2109 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2112 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2114 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2116 * dwarf2out.c (output_compilation_unit_header): For
2117 -gdwarf-4 use version 4 instead of version 3.
2118 (output_line_info): For version 4 and above emit additional
2119 maximum ops per insn header field.
2120 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2122 * dwarf2out.c (is_c_family, is_java): Remove.
2123 (lower_bound_default): New function.
2124 (add_bound_info, gen_descr_array_type_die): Use it.
2126 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2129 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2130 re-declaration when it happens in a function.
2132 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2134 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2135 (cgraph_remove_function_insertion_hook): Same.
2136 (cgraph_call_function_insertion_hooks): Same.
2138 2010-04-01 Richard Guenther <rguenther@suse.de>
2141 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2142 and TREE_THIS_VOLATILE.
2143 (copy_ref_info): Likewise.
2144 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2145 * tree.c (build6_stat): Ignore side-effects of all but arg5
2146 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2149 2010-04-01 Richard Guenther <rguenther@suse.de>
2151 PR tree-optimization/43607
2152 * ipa-type-escape.c (check_call): Do not access non-existing
2155 2010-04-01 Richard Guenther <rguenther@suse.de>
2159 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2160 Jack Howarth <howarth@bromo.med.uc.edu>
2162 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2165 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2167 * doc/install.texi (Prerequisites): Document libelf usability on
2168 IRIX 5/6 and Solaris 2.
2169 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2170 Update GNU as, GNU ld requirements.
2171 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2172 Document Sun Studio compiler download.
2173 Update and simplify as, ld recommendations.
2174 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2176 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2178 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2179 with_tune_32 to pentium4.
2181 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2183 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2185 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2187 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2188 obsoletion, removal.
2190 Document GNU as requirement.
2191 Update configure requirements.
2192 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2193 Recomment IRIX 6.5.18+.
2194 Document IDF/IDL requirement.
2195 Document GNU as requirement.
2196 Document GNU ld bootstrap failure.
2197 Remove freeware.sgi.com reference.
2199 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2201 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2202 UNIX V4.0, V5.0 obsoletion, removal.
2203 Remove --with-gc=simple reference.
2204 Update VM requirements during bootstrap.
2205 Remove -oldas bootstrap description.
2206 Update binutils reference.
2207 Remove comparison failure note.
2209 2010-03-31 Richard Guenther <rguenther@suse.de>
2210 Zdenek Dvorak <ook@ucw.cz>
2211 Sebastian Pop <sebastian.pop@amd.com>
2214 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2215 with multiple arguments.
2216 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2218 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2220 * graphite-dependences.c (print_pddr): Call print_pdr with an
2222 * graphite-poly.c (debug_pdr): Add an extra argument for the
2225 (print_pbb_domain): Same.
2227 (print_scop_context): Same.
2229 (print_cloog): Same.
2230 (debug_pbb_domain): Same.
2234 (debug_scop_context): Same.
2236 (debug_cloog): Same.
2237 (print_scop_params): Same.
2238 (debug_scop_params): Same.
2239 (print_iteration_domain): Same.
2240 (print_iteration_domains): Same.
2241 (debug_iteration_domain): Same.
2242 (debug_iteration_domains): Same.
2243 (print_scattering_function): Same.
2244 (print_scattering_functions): Same.
2245 (debug_scattering_function): Same.
2246 (debug_scattering_functions): Same.
2247 * graphite-poly.h (debug_pdr): Update declaration.
2249 (print_pbb_domain): Same.
2251 (print_scop_context): Same.
2253 (print_cloog): Same.
2254 (debug_pbb_domain): Same.
2258 (debug_scop_context): Same.
2260 (debug_cloog): Same.
2261 (print_scop_params): Same.
2262 (debug_scop_params): Same.
2263 (print_iteration_domain): Same.
2264 (print_iteration_domains): Same.
2265 (debug_iteration_domain): Same.
2266 (debug_iteration_domains): Same.
2267 (print_scattering_function): Same.
2268 (print_scattering_functions): Same.
2269 (debug_scattering_function): Same.
2270 (debug_scattering_functions): Same.
2272 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2274 * graphite-poly.c (print_scattering_function_1): New.
2275 (print_scattering_function): Call it.
2276 (print_scop_params): Remove spaces at the end of lines.
2279 * graphite-poly.h (print_cloog): Declared.
2280 (debug_cloog): Declared.
2282 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2284 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2286 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2287 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2288 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2289 to switch between adding the IV bump in loop->latch or in loop->header.
2291 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2293 * graphite-poly.c (print_scattering_function): Pretty print following
2296 (print_pbb_domain): Same.
2297 (dump_gbb_cases): Same.
2298 (dump_gbb_conditions): Same.
2301 (print_scop_params): Same.
2302 (print_scop_context): Same.
2304 (print_pbb_body): New.
2305 (lst_indent_to): New.
2306 (print_lst): Start new lines with a #.
2307 * graphite-poly.h (pbb_bb): New.
2308 (pbb_index): Use pbb_bb.
2309 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2311 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2313 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2315 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2316 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2317 and 0 instead of 1 for dw_val_class_flag.
2318 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2319 dw_val_class_range_list, dw_val_class_loc_list,
2320 dw_val_class_lineptr and dw_val_class_macptr, use
2321 DW_FORM_flag_present for dw_val_class_flag and
2322 DW_FORM_exprloc for dw_val_class_loc.
2323 (output_die): For -gdwarf-4 print dw_val_class_loc
2324 size as uleb128 instead of 1 or 2 bytes and don't print
2325 anything for dw_val_class_flag.
2327 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2328 instead of cselib_lookup following by tweaking locs->setting_insn.
2331 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2332 even before returning from label, setjmp call or volatile asm
2335 2010-03-31 Richard Guenther <rguenther@suse.de>
2338 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2339 temporary data on stack.
2341 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2343 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2344 (PUSHSECTION_ASM_OP): Remove.
2345 (POPSECTION_ASM_OP): Remove.
2346 (PUSHSECTION_FORMAT): Remove.
2347 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2348 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2349 * config/sol2.c (solaris_output_init_fini): Use it.
2351 2010-03-31 Jie Zhang <jie@codesourcery.com>
2354 * opt-functions.awk (var_type_struct): Use signed char type
2355 for simple variables.
2357 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2359 * config/sol2.c: Include output.h.
2360 (solaris_assemble_visibility): New function.
2361 * config/t-sol2 (sol2.o): Add output.h dependency.
2362 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2363 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2366 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2369 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2370 V2SImode or XFmode on PRE_DEC.
2373 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2376 2010-03-31 Jie Zhang <jie@codesourcery.com>
2379 * reload.h (caller_save_initialized_p): Declare.
2380 * toplev.c (backend_init_target): Don't call
2381 init_caller_save but set caller_save_initialized_p to false.
2382 * caller-save.c (caller_save_initialized_p): Define.
2383 (init_caller_save): Check caller_save_initialized_p.
2384 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2386 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2389 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2390 and soft-fp/t-softfp to tmake_file.
2391 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2392 (LIBGCC2_TF_CEXT): Define.
2395 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2398 * cselib.c (n_useless_values): Document handling of debug locs.
2399 (n_useless_debug_values, n_debug_values): New variables.
2400 (new_elt_loc_list): Don't add to debug values, keep count.
2401 (promote_debug_loc): New.
2402 (cselib_reset_table): Zero new variables.
2403 (entry_and_rtx_equal_p): Promote debug locs.
2404 (discard_useless_locs): Increment n_useless_debug_values for
2406 (remove_useless_values): Adjust n_useless_values and n_debug_values
2407 with n_useless_debug_values.
2408 (add_mem_for_addr): Promote debug locs.
2409 (cselib_lookup_mem): Likewise.
2410 (cselib_lookup_addr): Renamed to...
2411 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2412 (cselib_log_lookup): ... this. Turn into...
2413 (cselib_lookup_addr): ... new wrapper.
2414 (cselib_lookup_from_insn): New.
2415 (cselib_invalidate_regno): Increment n_useless_debug_values for
2417 (cselib_invalidate_mem): Likewise.
2418 (cselib_process_insn): Take n_deleted and n_debug_values into
2419 account to guard remove_useless_value call.
2420 (cselib_finish): Zero n_useless_debug_values.
2421 * cselib.h (cselib_lookup_from_insn): Declare.
2422 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2423 (sched_analyze_2): Likewise.
2425 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2427 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2429 (adjust_mems): Replace narrowing SUBREG of expression containing
2430 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2431 with operations in the narrower mode.
2434 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2435 regs_invalidated_by_call instead all call_used_reg_set registers.
2437 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2440 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2441 pointer comparisons with types_compatible_p.
2442 * tree-vect-stmts.c (vectorizable_call): Same.
2443 (vectorizable_condition): Same.
2445 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2447 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2448 stack check if the mask would be zero.
2450 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2451 Jack Howarth <howarth@bromo.med.uc.edu>
2453 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2456 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2459 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2461 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2462 Include ___unordxf2 and ___unordtf2.
2463 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2466 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2468 * config/lm32/t-lm32: New file.
2469 * config.gcc: Use the above file when targetting lm32.
2471 2010-03-28 Duncan Sands <baldrick@free.fr>
2473 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2475 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2478 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2479 Improve vectorization cost model diagnostic.
2481 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2484 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2485 compute_data_dependences_for_loop returns false, early exit
2486 and output an extra diagnostic for the failed data reference
2489 2010-03-29 Richard Guenther <rguenther@suse.de>
2491 PR tree-optimization/43560
2492 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2493 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2495 2010-03-29 Jie Zhang <jie@codesourcery.com>
2498 * toplev.c (process_options): Set optimization_default_node
2499 and optimization_current_node.
2500 * opts.c (decode_options): Don't set optimization_default_node
2501 and optimization_current_node.
2503 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2505 * config/rtems.h: Abandon -qrtems_debug.
2507 2010-03-28 Jan Hubicka <jh@suse.cz>
2509 PR tree-optimization/43505
2510 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2511 map should not be copied.
2513 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2516 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2517 cdtors, set DECL_PRESERVE_P.
2518 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2521 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2523 PR tree-optimization/43528
2524 * stor-layout.c (place_field): Check that constant fits into
2525 unsigned HWI when skipping calculation of MS bitfield layout.
2527 2010-03-27 Jan Hubicka <jh@suse.cz>
2530 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2531 notice_global_symbol work.
2533 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2535 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2536 instead of dwarf2out_decl.
2537 (struct var_loc_node): Remove section_label field.
2538 (dwarf2out_function_decl): New function.
2539 (dwarf2out_var_location): Don't set section_label field.
2540 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2542 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2544 PR tree-optimization/43544
2545 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2546 First argument for builtin vectorized function hook is now a
2547 tree to be able to distinguish between machine specific and
2549 * targhooks.c (default_builtin_vectorized_function): Ditto.
2550 * targhooks.h (default_builtin_vectorized_function): Ditto.
2551 * target.h (struct gcc_target): Ditto.
2552 * tree-vect-stmts.c (vectorizable_function): Ditto.
2553 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2554 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2557 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2560 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2561 nested binding iff it is a FUNCTION_DECL.
2562 (store_parm_decls_newstyle): Pass nested=true to bind for
2563 FUNCTION_DECLs amongst parameters.
2565 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2567 * var-tracking.c (vt_expand_loc_callback): Don't run
2568 cselib_expand_value_rtx_cb in dummy mode if
2569 cselib_dummy_expand_value_rtx_cb returned false.
2571 * var-tracking.c (emit_note_insn_var_location): For one part
2572 notes with offset 0, don't add EXPR_LIST around the location.
2573 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2574 add_location_or_const_value_attribute): Adjust for that change.
2577 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2578 into first operand and location into second.
2579 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2580 dw_cfi_oprnd_loc for DW_CFA_expression.
2581 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2582 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2583 assume first argument is regnum and second argument is location.
2585 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2588 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2589 of scratch register to DImode. Split to DImode comparison operator.
2590 Use SImode subreg of scratch register in the multiplication.
2591 (*cmp_sadd_sidi): Ditto.
2592 (*cmp_ssub_si): Ditto.
2593 (*cmp_ssub_sidi): Ditto.
2595 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2598 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2599 Remove invalid assert and wrong comment.
2601 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2604 * flags.h (final_insns_dump_p): New extern.
2605 * final.c (final_insns_dump_p): New variable.
2606 (rest_of_clean_state): Set it before -fdump-final-insns=
2607 dumping, clear afterwards.
2608 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2609 MEM_ALIAS_SET on MEMs.
2611 2010-03-26 David S. Miller <davem@davemloft.net>
2613 * configure.ac: Fix sparc GOTDATA_OP bug check.
2614 * configure: Rebuild.
2616 2010-03-26 Alan Modra <amodra@gmail.com>
2618 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2620 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2622 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2623 TLS_SECTION_ASM_FLAG.
2625 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2628 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2629 Clear first_function_block_is_cold.
2632 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2633 argument if the argument is truth_value_p.
2635 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2637 * config/rs6000/constraints.md: Update copyright year for my changes.
2640 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2641 used in reg+reg addressing, swap registers.
2643 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2646 * target.h (struct gcc_target): Add code_end hook.
2647 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2649 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2650 * toplev.c (compile_file): Call targetm.asm_out.code_end
2651 hook before unwind info/debug info output.
2652 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2653 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2654 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2655 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2656 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2657 * config/i386/i386.c (ix86_file_end): Renamed to...
2658 (ix86_code_end): ... this. Make static. Don't call
2659 file_end_indicate_exec_stack. Emit unwind info using
2660 final_start_function/final_end_function.
2661 (darwin_x86_file_end): Remove.
2662 (TARGET_ASM_CODE_END): Define.
2663 * config/i386/i386.h (TARGET_ASM_FILE_END,
2664 NEED_INDICATE_EXEC_STACK): Don't define.
2665 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2666 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2667 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2668 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2671 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2672 at the beginning and final_end_function at the end.
2673 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2675 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2677 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2678 and Sun as TLS syntax.
2679 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2680 * configure: Regenerate.
2681 * config.in: Regenerate.
2682 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2683 (default_elf_asm_named_section): Use it.
2684 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2685 (i386_output_dwarf_dtprel): Likewise.
2686 (output_addr_const_extra): Likewise.
2687 (output_pic_addr_const): Lowercase @GOTTPOFF.
2688 (output_addr_const_extra): Likewise.
2689 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2690 (output_addr_const_extra): Likewise.
2691 (output_pic_addr_const): Lowercase @INDNTPOFF.
2692 (output_addr_const_extra): Likewise.
2693 (output_pic_addr_const): Lowercase @NTPOFF.
2694 (output_addr_const_extra): Likewise.
2695 (output_pic_addr_const): Lowercase @TPOFF.
2696 (output_addr_const_extra): Likewise.
2697 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2698 (*tls_global_dynamic_64): Likewise.
2699 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2700 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2702 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2703 (ASM_OUTPUT_TLS_COMMON): Use it.
2704 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2707 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2708 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2709 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2710 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2711 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2712 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2714 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2716 * config/i386/i386.c (override_options): Don't accept
2717 -mtls-dialect=sun any longer.
2718 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2719 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2720 (*tls_local_dynamic_base_32_sun): Likewise.
2721 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2723 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2726 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2727 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2730 * ira.c (adjust_cleared_regs): New function.
2731 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2735 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2737 * expr.c (expand_expr_real): Restore previous
2738 curr_insn_source_location and curr_insn_block after
2739 expand_expr_real_1 call.
2740 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2741 instead of expand_expr_real_1.
2743 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2745 PR rtl-optimization/43413
2746 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2749 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2752 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2753 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2755 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2757 * config/i386/i386.c (ix86_target_string): Add -mfma.
2758 Fix a typo in comment.
2760 2010-03-22 Mike Stump <mikestump@comcast.net>
2763 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2764 Don't overly align based upon packed packed fields.
2766 2010-03-22 Jason Merrill <jason@redhat.com>
2768 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2769 Use () rather than [], and move before the element type.
2771 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2773 * doc/configfiles.texi (Configuration Files): Removed
2774 fixinc/Makefile*, intl/Makefile.*.
2775 * doc/makefile.texi: Fixed markup. Abstract from version
2776 control system used.
2777 (Makefile): Removed obsolete gcc/java/parse.y example.
2778 * doc/sourcebuild.texi: Likewise.
2779 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2780 libgomp, libssp. Removed fastjar.
2781 (Miscellaneous Docs): Clarify location.
2782 Added COPYING3, COPYING3.LIB.
2783 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2785 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2788 * config/i386/i386.c (x86_function_profiler)
2789 [!NO_PROFILE_COUNTERS]: Fix typo.
2790 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2793 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2794 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2796 * doc/sourcebuild.texi (Test Directives): Split into six
2797 subsections, with most of the current text in new subsections
2798 Directives, Selectors, and Final Actions.
2799 (Directives): Split list of test directives into multiple
2801 (Selectors): Describe use and syntax of selectors.
2802 (Effective-Target Keywords): Describe all existing keywords.
2803 (Add Options): Describe features for dg-add-options.
2804 (Require Support): Describe variants of dg-require-support.
2805 (Final Actions): Describe commands to use in dg-final.
2807 2010-03-22 Michael Matz <matz@suse.de>
2810 * recog.c (validate_replace_rtx_group): Replace also in
2811 REG_EQUAL and REG_EQUIV notes.
2813 2010-03-22 Richard Guenther <rguenther@suse.de>
2815 PR tree-optimization/43390
2816 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2817 sure vector extracts are type correct.
2819 2010-03-22 Richard Guenther <rguenther@suse.de>
2822 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2823 x * sqrt (x) even when optimizing for size if the target
2824 has native support for sqrt.
2826 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2828 * varasm.c (make_decl_rtl_for_debug): Also clear
2829 flag_mudflap for the duration of make_decl_rtl call.
2832 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2833 locs from preserved VALUEs.
2835 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2838 * pa.md (movmemsi): Set align to one if zero.
2839 (movmemdi): Likewise.
2841 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2844 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2845 with their corresponding prologue pushes.
2847 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2850 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2851 at the begining or end.
2852 (spu_expand_epilogue): Likewise.
2854 2010-03-20 Richard Guenther <rguenther@suse.de>
2856 PR rtl-optimization/43438
2857 * combine.c (make_extraction): Properly zero-/sign-extend an
2858 extraction of the low part of a CONST_INT. Also handle
2861 2010-03-19 Mike Stump <mikestump@comcast.net>
2863 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2864 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2865 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2867 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2870 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2873 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2875 PR rtl-optimization/42258
2876 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2877 use that may match DEF.
2880 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2881 the cost of loading the constant rather than assuming
2883 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2884 outer code is AND, do the same tests as the andsi3 expander and
2885 return COSTS_N_INSNS (1) if and is cheap.
2887 * optabs.c (avoid_expensive_constant): Fix formatting.
2889 2010-03-19 Michael Matz <matz@suse.de>
2892 * attribs.c (decl_attributes): When rebuilding a function pointer
2893 type use the same qualifiers as the original pointer type.
2895 2010-03-19 Martin Jambor <mjambor@suse.cz>
2897 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2898 and is_gimple_ip_invariant_address.
2900 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2903 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2905 * config/arm/arm.c (arm_override_options): Turn off
2906 flag_dwarf2_cfi_asm for AAPCS variants.
2908 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2911 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2912 Use PRE_MODIFY instead of PRE_DEC.
2913 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2914 (vfp_emit_fstmd): Likewise.
2916 2010-03-19 Michael Matz <matz@suse.de>
2919 * builtins.c (expand_builtin_interclass_mathfn,
2920 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2923 2010-03-19 Richard Guenther <rguenther@suse.de>
2925 PR tree-optimization/43415
2926 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2927 (phi_translate_1): ... this.
2928 (phi_translate): Move all caching here. Cache all NARY
2929 and REFERENCE translations.
2931 2010-03-19 David S. Miller <davem@davemloft.net>
2933 With help from Eric Botcazou.
2934 * config/sparc/sparc.c: Include dwarf2out.h.
2935 (emit_pic_helper): Delete.
2936 (pic_helper_symbol_name): Delete.
2937 (pic_helper_emitted_p): Delete.
2938 (pic_helper_needed): New.
2939 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2940 (get_pc_thunk_name): New.
2941 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2942 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2943 Set pic_helper_needed to true. Don't call emit_pic_helper.
2944 (sparc_expand_prologue): Update load_pic_register call.
2945 (sparc_output_mi_thunk): Likewise.
2946 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2947 thunk if possible. Output CFI information as needed.
2949 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2950 Jack Howarth <howarth@bromo.med.uc.edu>
2953 * config/i386/i386.h: Fix ABI on darwin x86-32.
2955 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2957 * tree.h: Declare make_decl_rtl_for_debug.
2958 * varasm.c (make_decl_rtl_for_debug): New.
2959 * dwarf2out.c (rtl_for_decl_location): Call it.
2960 * cfgexpand.c (expand_debug_expr): Call it.
2962 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2965 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2969 * var-tracking.c (vt_init_cfa_base): Do nothing if
2970 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2972 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2975 * var-tracking.c (canonicalize_vars_star): New.
2976 (dataflow_post_merge_adjust): Use it.
2978 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2981 * var-tracking.c (non_suitable_const): New function.
2982 (add_uses): For DEBUG_INSNs with constants, don't record any
2983 value, instead just the constant value itself.
2984 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2985 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2986 (emit_notes_in_bb): Likewise.
2987 (emit_note_insn_var_location): For onepart variables if
2988 cur_loc is a VOIDmode constant, use DECL_MODE.
2990 2010-03-18 Martin Jambor <mjambor@suse.cz>
2993 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2994 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2995 all non-clones. Moved call redirection...
2996 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2997 (cgraph_materialize_all_clones): Dispose of all
2998 combined_args_to_skip bitmaps.
2999 (verify_cgraph_node): Do not check for edges pointing to wrong
3000 nodes in inline clones.
3001 * tree-inline.c (copy_bb): Call
3002 cgraph_redirect_edge_call_stmt_to_callee.
3003 * ipa.c (cgraph_remove_unreachable_nodes): Call
3004 cgraph_node_remove_callees even when there are used clones.
3006 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3008 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3010 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3013 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3016 2010-03-18 Michael Matz <matz@suse.de>
3019 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3020 into sqrt(x) if we need to preserve signed zeros.
3022 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3023 Eric Botcazou <ebotcazou@adacore.com>
3025 PR rtl-optimization/43360
3026 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3027 note if we don't know its invariant status.
3029 2010-03-18 Michael Matz <matz@suse.de>
3031 PR tree-optimization/43402
3032 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3033 PHI chains of ssa names registered for update.
3035 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3038 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3039 non-offsettable and pre_modify update addressing.
3040 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3041 and "2" alternatives "#".
3042 (*movdd_softfloat32): Make all alternatives "#";
3043 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3044 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3045 (*movdf_softfloat32): Make all alternatives "#";
3046 (movdi): Use the new DIFD mode iterator to create a common splitter
3047 for movdi, movdf and movdd patterns.
3049 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3051 * common.opt (dumpdir): Remove redundant tab.
3053 2010-03-17 Martin Jambor <mjambor@suse.cz>
3055 PR tree-optimization/43347
3056 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3057 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3059 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3061 PR rtl-optimization/42216
3062 * regrename.c (create_new_chain): New function, broken out from...
3063 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3064 appending a use to an empty chain.
3065 (build_def_use): Remove previous changes that convert OP_INOUT to
3066 OP_OUT operands; instead detect the case where an OP_INOUT operand
3067 uses a previously untracked register and create an empty chain for it.
3069 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3071 * doc/extend.texi (Function Attributes): Rewrite unfinished
3072 sentence in ms_abi documentation.
3074 2010-03-17 Alan Modra <amodra@gmail.com>
3076 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3077 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3078 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3079 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3081 2010-03-16 Richard Henderson <rth@redhat.com>
3084 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3085 (lower_try_finally): Save and restore eh_seq around the expansion
3088 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3090 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3091 statements before splitting block.
3093 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3095 * doc/sourcebuild.texi (Testsuites): Fix markup.
3096 Use pathnames relative to gcc/testsuite.
3097 (Test Directives): Move description of how timeout is determined.
3098 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3099 (C Tests): Correct gcc.misc-tests directory.
3100 Framework tests now live in gcc.test-framework.
3102 2010-03-16 Richard Guenther <rguenther@suse.de>
3105 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3106 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3108 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3109 Alexandre Oliva <aoliva@redhat.com>
3111 PR tree-optimization/42917
3112 * lambda-code.c (remove_iv): Skip debug statements.
3113 (lambda_loopnest_to_gcc_loopnest): Likewise.
3114 (not_interesting_stmt): Debug statements are not interesting.
3116 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3120 * cselib.c (cselib_preserve_constants,
3121 cfa_base_preserved_val): New static variables.
3122 (preserve_only_constants): New function.
3123 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3124 clear its REG_VALUES. If cselib_preserve_constants, don't
3125 empty the whole hash table, but preserve there VALUEs with constants,
3126 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3127 (cselib_preserve_cfa_base_value): New function.
3128 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3129 (cselib_init): Change argument to int bitfield. Set
3130 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3132 (cselib_finish): Clear cselib_preserve_constants and
3133 cfa_base_preserved_val.
3134 * cselib.h (enum cselib_record_what): New enum.
3135 (cselib_init): Change argument to int.
3136 (cselib_preserve_cfa_base_value): New prototype.
3137 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3138 * dse.c (dse_step1): Likewise.
3139 * cfgcleanup.c (thread_jump): Likewise.
3140 * sched-deps.c (sched_analyze): Likewise.
3141 * gcse.c (local_cprop_pass): Likewise.
3142 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3143 If FN is non-NULL, call the callback always and whenever it returns
3144 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3145 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3146 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3147 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3148 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3149 * var-tracking.c: Include recog.h.
3150 (bb_stack_adjust_offset): Remove.
3151 (vt_stack_adjustments): Don't call it, instead just gather the
3152 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3153 (adjust_stack_reference): Remove.
3154 (compute_cfa_pointer): New function.
3155 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3156 (struct adjust_mem_data): New type.
3157 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3159 (get_address_mode): New function.
3160 (replace_expr_with_values): Use it.
3161 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3162 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3163 (adjust_sets): Remove.
3164 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3165 Use get_address_mode.
3166 (get_adjusted_src): Remove.
3167 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3168 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3169 (add_with_sets): Don't call adjust_sets.
3170 (fp_setter, vt_init_cfa_base): New functions.
3171 (vt_initialize): Change return type to bool. Move most of pool etc.
3172 initialization to the beginning of the function from end. Pass
3173 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3174 If !frame_pointer_needed, call vt_stack_adjustment before mos
3175 vector is filled, call vt_init_cfa_base if argp/framep has been
3176 eliminated to sp. If frame_pointer_needed and argp/framep has
3177 been eliminated to hard frame pointer, set
3178 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3179 encountering fp setter in the prologue. For MO_ADJUST, call
3180 log_op_type before pusing the op into mos vector, not afterwards.
3181 Call adjust_insn before cselib_process_insn/add_with_sets,
3182 call cancel_changes (0) afterwards.
3183 (variable_tracking_main_1): Adjust for vt_initialize calling
3184 vt_stack_adjustments and returning whether it succeeded or not.
3186 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3188 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3191 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3193 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3195 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3196 drap_reg has not been set.
3198 2010-03-15 Michael Matz <matz@suse.de>
3201 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3202 use it to expand block copies.
3203 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3204 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3205 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3207 2010-03-15 Richard Guenther <rguenther@suse.de>
3209 PR tree-optimization/43367
3210 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3213 2010-03-15 Richard Guenther <rguenther@suse.de>
3215 PR tree-optimization/43317
3216 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3218 2010-03-15 Martin Jambor <mjambor@suse.cz>
3220 PR tree-optimization/43141
3221 * tree-sra.c (create_abstract_origin): New function.
3222 (modify_function): Call create_abstract_origin.
3224 2010-03-15 Chris Demetriou <cgd@google.com>
3226 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3229 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3232 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3233 call insert_out_of_ssa_copy for default definitions.
3235 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3237 * graphite-clast-to-gimple.c (my_long_long): Defined.
3238 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3239 * graphite-sese-to-poly.c (my_long_long): Defined.
3240 (scop_ivs_can_be_represented): Use it.
3242 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3244 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3245 graphite-max-bbs-per-function, and loop-block-tile-size.
3246 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3248 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3250 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3252 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3253 forward declaration.
3254 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3255 (add_upper_bounds_from_estimated_nit): New.
3256 (build_loop_iteration_domains): Use it.
3258 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3260 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3262 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3265 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3266 should be an INTEGER_CST. Also handle CASE_CONVERT.
3268 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3270 * graphite.c (graphite_initialize): To bound the number of bbs per
3271 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3272 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3273 * doc/invoke.texi: Document it.
3275 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3277 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3278 * graphite-sese-to-poly.h (build_poly_scop): Same.
3280 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3282 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3283 the number of parameters in the scop. Use as an upper bound
3284 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3285 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3286 * doc/invoke.texi: Document it.
3288 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3290 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3291 * doc/c-tree.texi: Remove.
3292 * doc/generic.texi: Merge c-tree.texi here.
3293 * doc/gccint.texi (Trees): Remove menu entry.
3294 (c-tree.texi): Remove @include.
3295 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3296 * doc/languages.texi (Reading RTL): Ditto.
3298 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3301 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3303 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3306 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3307 code added to work around reload clobbering CONST insns.
3309 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3311 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3312 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3313 (cselib_preserve_only_values): Remove retain argument, don't
3314 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3315 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3316 * var-tracking.c (micro_operation): Move insn field before union.
3317 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3318 (struct variable_tracking_info_def): Remove n_mos field, change
3319 mos into a vector of micro_operations.
3320 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3321 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3322 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3323 changing into a vector.
3324 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3325 come before all other uops generated by add_stores.
3326 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3328 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3329 a vector. Run just one pass over the bbs instead of separate counting
3330 and computation phase.
3331 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3334 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3335 into *nonlocalized_list vector.
3336 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3337 even if origin is non-NULL.
3338 (gen_variable_die): Likewise.
3339 (process_scope_var): Don't change origin.
3340 (gen_decl_die): Likewise.
3341 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3342 before adding new edges instead of after it, fix moving over
3345 2010-03-11 David S. Miller <davem@davemloft.net>
3347 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3349 * configure: Rebuild.
3351 2010-03-11 Martin Jambor <mjambor@suse.cz>
3353 PR tree-optimization/43257
3354 * tree.c (assign_assembler_name_if_neeeded): New function.
3355 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3357 * tree.h (assign_assembler_name_if_neeeded): Declare.
3358 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3359 the function if needed.
3361 2010-03-11 Chris Demetriou <cgd@google.com>
3363 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3364 include/stdint-gcc.h, and include/stdint.h world-readable.
3366 2010-03-11 Richard Guenther <rguenther@suse.de>
3368 PR tree-optimization/43255
3369 * tree-vrp.c (process_assert_insertions_for): Do not insert
3370 asserts for trivial conditions.
3372 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3374 PR tree-optimization/43280
3375 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3376 generation. Move calculation of size out of the if branch.
3377 (find_bswap): Modify compare number generation.
3379 2010-03-11 Richard Guenther <rguenther@suse.de>
3382 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3383 (input_gimple_stmt): Fixup handled component types during
3384 operand read. Also fix up decls in ADDR_EXPRs.
3386 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3388 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3389 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3391 2010-03-10 Jan Hubicka <jh@suse.cz>
3394 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3395 * varasm.c (get_variable_section): Don't do that here...
3396 (make_decl_rtl): ... and here.
3397 (do_assemble_alias): Produce decl RTL.
3398 (assemble_alias): Likewise.
3400 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3403 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3404 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3406 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3407 (based_loc_descr): Only express drap or vdrap regno based expressions
3408 using DW_OP_fbreg when not optimizing.
3409 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3410 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3411 REG_CFA_SET_VDRAP note.
3413 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3415 PR tree-optimization/43236
3416 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3417 error in calculation of base address in reverse iteration case.
3418 (generate_builtin): Take number of latch executions if the statement
3421 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3424 * tree-eh.c: Include pointer-set.h.
3425 (lower_eh_dispatch): Filter out duplicate case labels and
3426 remove the unneeded edge when the label is unused. Return
3427 true when some edges are removed.
3428 (execute_lower_eh_dispatch): When any lowering resulted in
3429 removing an edge, also delete unreachable blocks.
3431 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3434 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3435 UNSPEC_MACHOPIC_OFFSET.
3437 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3440 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3441 (m68k_delegitimize_address): New function.
3443 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3446 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3449 * var-tracking.c (adjust_sets): New function.
3450 (count_with_sets, add_with_sets): Use it.
3451 (get_adjusted_src): New inline function.
3452 (add_stores): Use it.
3455 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3456 call cselib_dummy_expand_value_rtx_cb instead of
3457 cselib_expand_value_rtx_cb.
3460 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3461 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3462 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3463 and .cfi_endproc around the pic thunks.
3464 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3465 all queued unwind info register saves are saved before the call.
3466 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3467 considered as sp-=4 for unwind info and the pop as sp+=4 which
3468 also clobbers dest, but doesn't actually restore it.
3471 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3472 RTX_FRAME_RELATED_P.
3474 2010-03-09 Jie Zhang <jie@codesourcery.com>
3476 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3477 whitespaces in output template.
3479 2010-03-09 Jie Zhang <jie@codesourcery.com>
3481 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3484 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3486 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3487 builtins.exp in a separate job.
3489 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3491 * graphite-sese-to-poly.c (add_param_constraints): Use
3492 lower_bound_in_type and upper_bound_in_type.
3494 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3496 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3497 instead of unsigned_type_node.
3499 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3500 Reza Yazdani <reza.yazdani@amd.com>
3503 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3504 on pointer type parameters.
3506 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3510 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3511 handle conversions from pointer to integers.
3512 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3513 induction variable, to be able to work with code generated by CLooG.
3514 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3515 (build_poly_scop): Bail out if we cannot codegen a loop.
3517 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3519 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3520 code generation with gloog_error.
3522 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3524 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3525 Call fold_convert on all the returned values.
3526 (expand_scalar_variables_expr): Pass to
3527 expand_scalar_variables_ssa_name the type of the resulting expression.
3529 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3531 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3532 ppl_min_for_le_pointset.
3533 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3534 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3536 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3538 * graphite-dependences.c (map_into_dep_poly): Removed.
3539 (dependence_polyhedron_1): Use combine_context_id_scat.
3541 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3543 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3544 (struct poly_bb): Same.
3545 (combine_context_id_scat): New.
3547 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3550 * sese.c (name_defined_in_loop_p): Return false for default
3553 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3555 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3556 and clean up the logic.
3558 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3560 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3563 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3565 * var-tracking.c (remove_cselib_value_chains): Define only for
3567 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3568 delete_slot_part, emit_notes_for_differences_1): Don't call
3569 remove_cselib_value_chains here.
3570 (set_slot_part, emit_notes_for_differences_2): Don't call
3571 add_cselib_value_chains here.
3572 (preserved_values): New vector.
3573 (preserve_value): New function.
3574 (add_uses, add_stores, vt_add_function_parameters): Use it
3575 instead of cselib_preserve_value.
3576 (changed_values_stack): New vector.
3577 (check_changed_vars_0): New function.
3578 (check_changed_vars_1, check_changed_vars_2): Use it.
3579 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3580 changed_values_stack VALUEs.
3581 (vt_emit_notes): For all preserved_values call
3582 add_cselib_value_chains. If ENABLE_CHECKING call
3583 remove_cselib_value_chains before verifying value_chains is empty.
3584 Initialize and free changed_values_stack.
3585 (vt_initialize): Initialize preserved_values.
3586 (vt_finalize): Free preserved_values.
3588 2010-03-08 Richard Guenther <rguenther@suse.de>
3590 PR tree-optimization/43269
3591 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3594 2010-03-08 Martin Jambor <mjambor@suse.cz>
3596 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3597 (ipa_is_param_called): Removed.
3598 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3599 (ipa_print_node_params): Do not print the called flag.
3600 (ipa_write_node_info): Do not stream the called flag.
3601 (ipa_read_node_info): Likewise.
3603 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3606 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3607 * cselib.c (struct expand_value_data): Add dummy field.
3608 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3610 (cselib_dummy_expand_value_rtx_cb): New function.
3611 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3613 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3614 * var-tracking.c: Include pointer-set.h.
3615 (variable): Change n_var_parts to char from int. Add
3616 cur_loc_changed and in_changed_variables fields.
3617 (variable_canonicalize): Remove.
3618 (shared_var_p): New inline function.
3619 (unshare_variable): Maintain cur_loc_changed and
3620 in_changed_variables fields. If var was in changed_variables,
3621 replace it there with new_var. Just copy cur_loc instead of
3622 resetting it to something else.
3623 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3624 (dataflow_set_union): Don't call variable_canonicalize.
3625 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3626 of their DEBUG_EXPR_TREE_DECLs.
3627 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3628 and in_changed_variables and cur_loc_changed is false.
3629 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3630 and cur_loc_changed. Don't update cur_loc here.
3631 (variable_merge_over_src): Don't call variable_canonicalize.
3632 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3633 removing loc that is equal to cur_loc, clear cur_loc,
3634 set cur_loc_changed and ensure variable_was_changed is called.
3635 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3636 compare pointers in cur_loc check, if it is equal to loc,
3637 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3638 (variable_different_p): Remove compare_current_location argument,
3639 don't compare cur_loc.
3640 (dataflow_set_different_1): Adjust variable_different_p caller.
3641 (variable_was_changed): If dv had some var in changed_variables
3642 already, reset in_changed_variables flag for it and propagate
3643 cur_loc_changed over to the new variable. On empty var
3644 always set cur_loc_changed. Set in_changed_variables on whatever
3645 var is added to changed_variables.
3646 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3647 Use shared_var_p. When removing loc that is equal to cur_loc,
3648 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3649 end, don't set it to something else, just call variable_was_changed.
3650 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3651 loc being removed, clear cur_loc and set cur_loc_changed.
3652 Set cur_loc_changed if all locations have been removed.
3653 (struct expand_loc_callback_data): New type.
3654 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3655 allocated. Always create SUBREGs if simplify_subreg failed.
3656 Prefer to use cur_loc, when that fails and still in
3657 changed_variables (and seen first time) recompute it. Set
3658 cur_loc_changed of variables which had to change cur_loc and
3659 compute elcd->cur_loc_changed if any of the subexpressions used
3660 had to change cur_loc.
3661 (vt_expand_loc): Adjust to pass arguments in
3662 expand_loc_callback_data structure.
3663 (vt_expand_loc_dummy): New function.
3664 (emitted_notes): New variable.
3665 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3666 that weren't used for any other decl in current
3667 emit_notes_for_changes call call vt_expand_loc_dummy to update
3668 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3669 first loc_chain location if NULL before. Always use just
3670 cur_loc instead of first loc_chain location. When cur_loc_changed
3671 is false, when not --enable-checking=rtl just don't emit any note.
3672 When rtl checking, compute the note and assert it is the same
3673 as previous note. Clear cur_loc_changed and in_changed_variables
3674 at the end before removing from changed_variables.
3675 (check_changed_vars_3): New function.
3676 (emit_notes_for_changes): Traverse changed_vars to call
3677 check_changed_vars_3 on each changed var.
3678 (emit_notes_for_differences_1): Clear cur_loc_changed and
3679 in_changed_variables. Recompute cur_loc of new_var.
3680 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3681 (vt_emit_notes): Initialize and destroy emitted_notes.
3683 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3685 PR rtl-optimization/42220
3686 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3687 Use verify_reg_tracked to determine if we should use OP_OUT rather
3689 (build_def_use): If we see an in-out operand for a register that we
3690 know nothing about, treat is an output if possible, fail the block if
3693 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3696 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3699 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3702 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3703 uses of relevant DEFs that are dead outside the loop too.
3705 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3707 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3709 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3711 * var-tracking.c (values_to_unmark): New variable.
3712 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3713 values_to_unmark vector. Moved body to...
3714 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3715 instead queue it into values_to_unmark vector.
3716 (vt_find_locations): Free values_to_unmark vector.
3718 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3720 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3721 (site.exp): Export them when plugins are enabled.
3723 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3726 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3728 (chrec_fold_multiply): Same.
3730 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3733 * c-decl.c (build_compound_literal): Return early if init is
3736 2010-03-04 Martin Jambor <mjambor@suse.cz>
3738 PR tree-optimization/43164
3739 PR tree-optimization/43191
3740 * tree-sra.c (type_consists_of_records_p): Reject records with
3741 zero-size bit-fields at the end.
3743 2010-03-04 Mike Stump <mikestump@comcast.net>
3745 * Makefile.in (TAGS): Remove *.y.
3747 2010-03-04 Richard Guenther <rguenther@suse.de>
3749 PR tree-optimization/40761
3750 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3752 (my_rev_post_order_compute): New function.
3753 (init_pre): Call it.
3755 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3758 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3759 decrease the cost of an IV candidate when the cost is infinite.
3761 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3763 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3764 Use '3DNow!' for the extension of that name, ensure normal space
3766 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3768 2010-03-03 Jeff Law <law@redhat.com>
3770 * PR middle-end/32693
3771 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3772 than gen_rtx_SUBREG.
3773 (extract_bit_field_1): Likewise.
3775 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3777 * doc/sourcebuild.texi (Test directives): Document that arguments
3778 include-opts and exclude-opts are now optional for dg-skip-if,
3779 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3781 2010-03-03 Jason Merrill <jason@redhat.com>
3784 * cgraph.h (varpool_node): Add extra_name field.
3785 * varpool.c (varpool_extra_name_alias): New.
3786 (varpool_assemble_decl): Emit extra name aliases.
3787 (varpool_mark_needed_node): Look past an extra name alias.
3788 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3789 * lto-streamer-in.c (lto_input_tree): Read it.
3790 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3792 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3794 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3795 (sparc*-*-solaris2*): ...this.
3797 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3800 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3801 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3802 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3803 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3806 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3807 fallthrough to default handling, just with want_address 0 instead of 2.
3808 For single element lists, add_AT_loc directly, otherwise create an
3809 artificial variable DIE and stick location list to it.
3812 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3813 (VAL_EXPR_HAS_REVERSE): Define.
3814 (reverse_op): New function.
3815 (add_stores): For reversible operations add an extra MO_VAL_USE.
3817 2010-03-02 Jason Merrill <jason@redhat.com>
3819 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3821 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3823 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3824 (sparc64-*-linux*): Likewise.
3825 (sparc64-*-solaris2*): Include assembler files before linker ones.
3826 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3827 * config/sparc/gas.h: Delete.
3828 * config/sparc/sol2-64.h: Add copyright notice.
3829 * config/sparc/sol2-gas-bi.h: Likewise.
3830 * config/sparc/sol2-gld.h: Likewise.
3831 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3832 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3833 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3834 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3835 (sparc_elf_asm_named_section): Rename into...
3836 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3838 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3840 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3842 2010-03-02 Jeff Law <law@redhat.com>
3845 * reload1.c (rtx_p, substitute_stack): Declare.
3846 (substitute): Record addresses of changed rtxs.
3847 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3848 Restore the original rtx when complete.
3849 (reload): Free subsitute_stack when complete.
3851 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3853 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3854 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3856 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3857 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3858 Torture Tests): Change from subsection to section.
3860 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3861 Steven Bosscher <steven@gcc.gnu.org>
3863 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3866 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3869 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3870 the assignment from the new induction variable to the assignment
3871 of the value from the original loop PHI function.
3873 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3874 Daniel Jacobowitz <dan@codesourcery.com>
3876 * doc/sourcebuild.texi (Test directives): Clarify options to
3879 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3881 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3882 Disable cfi directives unless GCC and gas agree on using read-only
3883 .eh_frame sections for 64-bit.
3884 * configure: Regenerate.
3886 2010-03-01 Richard Guenther <rguenther@suse.de>
3888 PR tree-optimization/43220
3889 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3890 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3892 2010-03-01 Richard Guenther <rguenther@suse.de>
3893 Martin Jambor <mjambor@suse.cz>
3896 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3897 gimplified parameters.
3899 2010-03-01 Christian Bruel <christian.bruel@st.com>
3901 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3903 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3905 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3907 2010-03-01 Richard Guenther <rguenther@suse.de>
3910 * expr.c (expand_assignment): Use the alias-oracle to tell
3911 if the rhs aliases the result decl.
3913 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3916 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3917 to sol_gt_pch_get_address.
3918 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3919 64-bit, SPARC and x86.
3920 (sol_gt_pch_get_address): New function.
3922 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3924 * toplev.h (inform_n, error_n): Declare.
3925 * diagnostic.c (inform_n, error_n): New function.
3927 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3929 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3930 has no rtl yet when processing local_decls, queue it and recheck
3931 if deferred stack allocation hasn't assigned it rtl.
3933 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3935 * config/sh/sh.c (unspec_bbr_uid): New.
3936 (gen_block_redirect): Use it instead of INSN_UID.
3937 (gen_far_branch): Likewise.
3939 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3941 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3942 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3944 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3946 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3947 (Warning Options): -Wno-conversion-null is valid for
3948 Objective-C++ as well.
3949 * doc/tm.texi (Named Address Spaces): Likewise.
3950 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3951 * doc/tree-ssa.texi (Tree SSA): Likewise.
3953 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3956 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3957 by default. Don't set the default arch for
3958 i[34567]86-*-darwin*|x86_64-*-darwin*.
3960 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3963 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3964 default. Set the default 32bit/64bit archs with $with_arch
3965 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3967 2010-02-27 Richard Guenther <rguenther@suse.de>
3969 PR tree-optimization/43186
3970 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3971 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3972 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3973 unroller iterations.
3975 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3977 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3978 required and i[34567]86-*-* targets don't support 64bit ISA.
3980 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3983 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3986 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3988 * config.gcc: Set the default arch at least to Prescott for
3989 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3990 if SSE math is enabled.
3992 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3994 * diagnostic.c (diagnostic_initialize): Update.
3995 (diagnostic_report_diagnostic): Test inhibit_notes_p for
3997 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
3998 (diagnostic_inhibit_notes): New.
3999 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4001 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4004 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4005 * doc/standards.texi: Likewise.
4006 * doc/extend.texi: Likewise.
4007 * doc/trouble.texi: Likewise.
4008 * doc/cppopts.texi: Likewise.
4009 * doc/install.texi: Likewise.
4010 * c.opt (std=c90,std=gnu90): New options.
4011 * c-opts.c (c_common_handle_option): Handle them.
4013 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4016 * c-decl.c (undeclared_variable): Use an informative note.
4018 2010-02-26 Richard Guenther <rguenther@suse.de>
4020 PR tree-optimization/43186
4021 * gimple.h (gimple_fold): Remove.
4022 * gimple.c (gimple_fold): Remove. Inline into single user ...
4023 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4024 Try harder for conditions.
4026 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4029 * function.c (used_types_insert): Don't skip through named pointer
4030 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4031 and it is different from the main variant's type.
4033 2010-02-26 Nick Clifton <nickc@redhat.com>
4035 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4037 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4039 * config.gcc: Support --with-fpmath=sse for x86.
4041 * config/i386/ssemath.h: New.
4043 * doc/install.texi (--with-fpmath=sse): Documented.
4045 2010-02-26 Richard Guenther <rguenther@suse.de>
4047 PR tree-optimization/43188
4048 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4049 vector types of over-aligned element type.
4051 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4054 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4055 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4057 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4059 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4061 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4063 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4064 * var-tracking.c: Include diagnostic.h.
4065 (debug_dv): New function.
4066 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4069 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4070 (add_value_chain, add_value_chains, remove_value_chain,
4071 remove_value_chains): Handle DEBUG_EXPRs.
4072 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4075 * regcprop.c (struct queued_debug_insn_change): New type.
4076 (struct value_data_entry): Add debug_insn_changes field.
4077 (struct value_data): Add n_debug_insn_changes field.
4078 (debug_insn_changes_pool): New variable.
4079 (free_debug_insn_changes, apply_debug_insn_changes,
4080 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4081 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4082 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4084 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4086 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4087 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4088 changes, call cprop_find_used_regs via note_stores.
4089 (copyprop_hardreg_forward): When copying vd from predecessor
4090 which has any queued DEBUG_INSN changes, make sure the pointers are
4091 cleared. At the end call df_analyze and then if there are any
4092 DEBUG_INSN changes queued at the end of some basic block for still
4093 live registers, apply them.
4094 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4096 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4098 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4101 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4103 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4104 targets. Set the default with_cpu/with_arch from arch/cpu.
4105 Allow x86-64 and native for with_cpu/with_arch.
4107 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4109 * ebitmap.c: Change calls to verify_popcount with calls to
4110 sbitmap_verify_popcount.
4111 (ebitmap_clear_bit): Fixed map->cacheindex test and
4112 map>cache update when bit clearing results in an empty
4115 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4118 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4119 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4120 and support both V2DF and V2DI modes.
4121 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4122 support both V2DF and V2DI modes.
4123 (general): Delete trailing whitespace from a few patterns.
4125 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4126 V2DF/V2DI interleave high/low builtins.
4128 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4131 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4132 interleave high/low functions.
4134 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4136 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4137 #pragma extern_prefix.
4139 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4142 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4143 BLKmode, assert op0 is a MEM and just adjust its mode.
4146 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4147 if bitpos isn't multiple of mode's bitsize.
4149 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4151 * c.opt (-ftemplate-depth=): New.
4152 (-ftemplate-depth-): Deprecate.
4153 * optc-gen.awk: Handle -ftemplate-depth=.
4154 * opth-gen.awk: Likewise.
4155 * c-opts.c (c_common_handle_option): Likewise.
4156 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4158 2010-02-24 Jason Merrill <jason@redhat.com>
4160 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4162 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4164 * cfg.c (alloc_aux_for_block): Remove inline.
4165 (alloc_aux_for_edge): Likewise.
4167 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4169 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4171 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4173 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4174 * config/i386/sol2-gas.h: New file.
4175 * config.gcc (i[34567]86-*-solaris2*): Use it.
4177 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4180 * c-typeck.c (ep_convert_and_check): New.
4181 (build_conditional_expr): Use it.
4182 (build_binary_op): Likewise.
4184 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4186 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4189 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4190 bounds even for -O+.
4191 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4192 expr needs to have DECL_NAME set.
4194 2010-02-24 Nick Clifton <nickc@redhat.com>
4196 * config/mep/mep.c: Include gimple.h.
4197 (mep_function_uses_sp): Delete unused function.
4198 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4199 parameters. Use unsigned integers to count args. Return a
4200 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4202 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4205 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4206 greater or equal to nelt instead of 2 * nelt.
4207 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4210 2010-02-23 Jason Merrill <jason@redhat.com>
4213 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4214 in cfun->local_decls even if they have register types.
4217 * stor-layout.c (place_field): Don't warn about unnecessary
4218 DECL_PACKED if the type is packed.
4220 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4223 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4224 GOTOFF relocs, even when the base reg isn't pic pointer.
4226 2010-02-23 Michael Matz <matz@suse.de>
4229 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4230 (expand_gimple_basic_block): Generate and use debug temps if there
4231 are debug uses left after the last real use of TERed ssa names.
4232 Unlink debug immediate uses when they are expanded.
4234 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4237 * config/i386/i386.c (override_options): Reorganise to provide
4238 better error messages.
4240 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4243 * graphite-scop-detection.c (create_single_exit_edge): Move
4244 the call to find_single_exit_edge to....
4245 (create_sese_edges): ...here. Don't handle multiple edges
4246 exiting the function.
4247 (build_graphite_scops): Don't handle multiple edges
4248 exiting the function.
4250 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4253 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4254 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4256 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4259 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4261 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4264 * c-typeck.c (convert_arguments): Print declaration location.
4265 * c-common.c (validate_nargs): Rename as
4266 builtin_function_validate_nargs.
4267 (check_builtin_function_arguments): Update.
4269 2010-02-22 Richard Guenther <rguenther@suse.de>
4272 * tree-inline.c (declare_return_variable): Use the type of
4273 the call stmt lhs if available.
4275 2010-02-22 Duncan Sands <baldrick@free.fr>
4277 * passes.c (register_pass): Always consider all pass lists when
4278 ref_pass_instance_number is zero.
4280 2010-02-22 Richard Guenther <rguenther@suse.de>
4282 PR tree-optimization/42749
4283 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4284 parameter. Do arithmetic in the original type.
4285 (update_accumulator_with_ops): Likewise.
4286 (adjust_accumulator_values): Adjust.
4288 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4290 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4291 (QI to BLKmode splitter): New splitter.
4293 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4295 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4296 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4298 2010-02-22 Richard Guenther <rguenther@suse.de>
4300 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4302 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4304 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4305 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4306 ($(T)crti.o, $(T)crtn.o): Remove rules.
4308 2010-02-21 Tobias Burnus <burnus@net-b.de>
4311 * doc/invoke.texi (-fassociative-math): Document that this
4312 option is automatically enabled for Fortran.
4314 2010-02-20 David S. Miller <davem@davemloft.net>
4316 * configure.ac: Test if linker and assembler properly support
4317 GOTDATA_OP relocations.
4318 * configure: Rebuild.
4319 * config.in: Likewise.
4320 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4321 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4322 (movsi_high_pic): Likewise.
4323 (movdi_lo_sum_pic): Likewise.
4324 (movdi_high_pic): Likewise.
4325 (movsi_pic_gotdata_op): New pattern.
4326 (movdi_pic_gotdata_op): Likewise.
4327 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4328 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4330 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4333 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4334 attribute to ssemul.
4335 (xop_mulv2div2di3_high): Ditto.
4337 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4340 * c.opt (Wconversion-null): New option.
4341 * doc/invoke.texi (Wconversion-null): Document.
4343 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4345 * common.opt (Wlarger-than-): Add Undocumented.
4347 2010-02-19 Mike Stump <mikestump@comcast.net>
4349 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4351 2010-02-19 Jason Merrill <jason@redhat.com>
4354 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4355 * configure: Likewise.
4357 2010-02-20 Alan Modra <amodra@gmail.com>
4360 * cgraph.h (cgraph_make_decl_local): Declare.
4361 * cgraph.c (cgraph_make_decl_local): New function.
4362 (cgraph_make_node_local): Use it.
4363 * cgraphunit.c (cgraph_function_versioning): Likewise.
4364 * ipa.c (function_and_variable_visibility): Likewise.
4366 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4369 * except.c (sjlj_emit_function_enter): Don't call
4370 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4372 * rtl.h (add_reg_br_prob_note): Remove prototype.
4374 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4377 * c-common.c (conversion_warning): Remove widening conversions
4378 before checking the conversion of integers to reals.
4380 2010-02-19 Mike Stump <mikestump@comcast.net>
4383 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4386 * cgraphunit.c (process_function_and_variable_attributes): Check
4387 DECL_PRESERVE_P instead of looking up attribute "used".
4388 * ipa-pure-const.c (check_decl): Likewise.
4389 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4390 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4391 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4392 instead of attribute "used".
4393 * config/sol2-c.c (solaris_pragma_init): Likewise.
4394 (solaris_pragma_fini): Likewise.
4396 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4398 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4399 Use XCNEW instead of xcalloc.
4400 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4401 XNEW instead of xmalloc.
4402 (get_fields): Use XNEWVEC instead of xmalloc.
4405 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4406 populate vars array.
4407 (create_new_general_access): For debug stmts just reset value.
4408 (get_stmt_accesses): For accesses within debug stmts just record them
4409 using add_access_to_acc_sites instead of preventing the peeling or
4410 counting them as accesses.
4413 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4415 2010-02-19 Richard Guenther <rguenther@suse.de>
4417 PR tree-optimization/42916
4418 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4421 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4423 * configure.ac: Replace all uses of changequote in macro arguments
4424 with proper quoting.
4426 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4429 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4431 2010-02-19 Richard Guenther <rguenther@suse.de>
4433 PR tree-optimization/42944
4434 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4435 test for aliasing with errno.
4437 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4440 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4441 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4442 * dojump.c: Include output.h.
4443 (inv): New inline function.
4444 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4445 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4446 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4447 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4448 argument, pass it down to other calls.
4449 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4450 add REG_BR_PROB note to the conditional jump.
4451 * cfgexpand.c (add_reg_br_prob_note): Removed.
4452 (expand_gimple_cond): Don't call it, add the probability
4453 as last argument to jumpif_1/jumpifnot_1.
4454 * Makefile.in (dojump.o): Depend on output.h.
4455 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4457 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4458 * stmt.c (do_jump_if_equal): Likewise.
4459 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4460 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4461 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4463 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4464 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4465 jumpifnot_1 callers.
4466 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4468 (store_expr): Adjust jumpifnot caller.
4469 (store_constructor): Adjust jumpif caller.
4472 * gimplify.c (gimple_boolify): For __builtin_expect call
4473 gimple_boolify also on its first argument.
4475 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4477 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4479 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4480 * configure: Regenerated.
4482 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4484 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4485 lang_hooks.types_compatible_p instead of comptypes.
4487 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4489 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4490 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4491 if __prefer_thumb__ is defined.
4493 2010-02-18 Martin Jambor <mjambor@suse.cz>
4495 PR tree-optimization/43066
4496 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4497 array with zero-sized element type.
4499 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4501 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4502 rtx, allocate struct var_loc_node here and return it to the
4503 caller, and only if it is actually needed.
4504 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4505 move it earlier and return immediately if it returns NULL.
4507 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4509 * config/sparc/gas.h: New file. Restore
4510 TARGET_ASM_NAMED_SECTION to its ELF default.
4511 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4513 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4514 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4515 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4516 after sparc/sysv4.h.
4518 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4520 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4522 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4524 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4525 patterns from predicated pattern.
4527 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4530 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4531 for insn mnemonic suffix.
4533 2010-02-17 Richard Guenther <rguenther@suse.de>
4535 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4538 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4541 * caller-save.c (save_call_clobbered_regs): If BB ends with
4542 a DEBUG_INSN, move any notes in between last real insn and the last
4543 DEBUG_INSN after the last DEBUG_INSN.
4545 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4547 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4548 Fix return type. Fix argument type. Explain meaning of return value.
4550 2010-02-16 Richard Guenther <rguenther@suse.de>
4552 PR tree-optimization/41043
4553 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4554 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4556 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4558 2010-02-16 Ira Rosen <irar@il.ibm.com>
4560 PR tree-optimization/43074
4561 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4562 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4563 vectorizable cycles in hybrid SLP check.
4564 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4566 2010-02-16 Richard Guenther <rguenther@suse.de>
4568 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4569 (true_dependence): If memrefs_conflict_p computes must-alias
4570 trust it. Move TBAA check after offset-based disambiguation.
4571 (canon_true_dependence): Likewise.
4573 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4575 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4576 * doc/invoke.texi: Document it.
4577 * var-tracking.c: Include toplev.h and params.h.
4578 (vt_find_locations): Return bool indicating success. Compute
4579 hash sizes unconditionally. Check new parameter, report.
4580 (variable_tracking_main_1): Check vt_find_locations results and
4581 retry. Renamed from...
4582 (variable_tracking_main): ... this. New wrapper to preserve
4583 flag_var_tracking_assignments.
4584 * Makefile.in (var-tracking.o): Adjust dependencies.
4586 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4587 Jakub Jelinek <jakub@redhat.com>
4590 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4591 if weak_import attribute is present.
4592 * config/darwin.c (machopic_select_section): Likewise.
4594 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4596 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4597 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4598 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4599 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4601 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
4604 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4607 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4608 Rewrite text to refer to the names.
4610 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4612 * config/i386/i386-builtin-types.def
4613 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4614 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4615 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4616 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4617 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4618 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4619 IX86_BUILTIN_VPERMIL2PS256.
4620 (MULTI_ARG_4_DF2_DI_I): Defined.
4621 (MULTI_ARG_4_DF2_DI_I1): Defined.
4622 (MULTI_ARG_4_SF2_SI_I): Defined.
4623 (MULTI_ARG_4_SF2_SI_I1): Defined.
4624 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4625 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4626 __builtin_ia32_vpermil2ps256.
4627 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4628 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4629 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4630 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4631 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4632 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4633 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4634 CODE_FOR_xop_vpermil2v8sf3.
4635 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4636 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4637 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4638 (_mm256_permute2_pd): New.
4639 (_mm_permute2_ps): New.
4640 (_mm256_permute2_ps): New.
4642 2010-02-15 Nick Clifton <nickc@redhat.com>
4644 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4645 boolean parameters. Use emit_jump_insn when emitting a pop
4646 instruction containing a return insn.
4647 (push): Use 'true' rather than '1' as second parameter to F.
4648 (h8300_expand_prologue): Likewise.
4649 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4650 (h8300_expand_epilogue): Likewise.
4652 2010-02-15 Richard Guenther <rguenther@suse.de>
4655 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4658 2010-02-15 Nick Clifton <nickc@redhat.com>
4660 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4663 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4665 * intl.c (fake_ngettext): New function.
4666 * intl.h (fake_ngettext): Declare.
4667 (ngettext): Define macro.
4668 * collect2.c (notice_translated): New function.
4669 (main): Use notice_translated and ngettext.
4670 * collect2.h (notice_translated): Declare.
4672 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4674 * reorg.c (delete_computation): Comment fixes.
4675 * caller-save.c (setup_save_areas): Idem.
4676 * sel-sched-dump.c (dump_lv_set): Idem.
4679 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4681 * config/s390/s390.c (s390_sched_init): New function.
4682 (TARGET_SCHED_INIT): Target hook defined.
4684 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4685 Jack Howarth <howarth@bromo.med.uc.edu>
4686 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4689 Partial revert of unintended change in fix for PR41605.
4690 * config/darwin.h: Fix typo.
4691 * config/darwin9.h: Same.
4693 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4695 * c-pch.c (pch_init): Clear v.
4697 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4700 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4701 graphite_can_represent_init for MULT_EXPR.
4703 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4707 * graphite-sese-to-poly.c (remove_phi): New.
4708 (translate_scalar_reduction_to_array): Call remove_phi.
4710 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4713 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4714 * graphite-clast-to-gimple.h (gloog): Update declaration.
4715 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4716 * graphite-poly.h (struct poly_bb): Add missing comments.
4717 (struct scop): Add poly_scop_p field.
4719 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4720 * graphite.c (graphite_transform_loops): Build the polyhedral
4721 representation for each scop before code generation.
4722 * sese.c (rename_variables_in_operand): Removed.
4723 (rename_variables_in_expr): Return the renamed expression.
4724 (rename_sese_parameters): New.
4725 * sese.h (rename_sese_parameters): Declared.
4727 2010-02-11 Richard Guenther <rguenther@suse.de>
4729 PR tree-optimization/42998
4730 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4731 POINTER_PLUS_EXPR properly.
4733 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4734 Changpeng Fang <changpeng.fang@amd.com>
4737 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4738 the cost of an IV candidate when the IV is used in a test against zero.
4740 * gcc.dg/tree-ssa/ivopts-3.c: New.
4742 2010-02-11 Richard Guenther <rguenther@suse.de>
4745 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4746 pointer-vs-decl case by swapping refs. Handle some cases
4747 of pointer-vs-decl disambiguations more conservatively.
4748 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4749 to false after expanding.
4751 2010-02-11 Richard Guenther <rguenther@suse.de>
4754 * gcc.c (process_command): Handle LTO file@offset case more
4757 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4759 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4760 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4762 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4764 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4765 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4766 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4767 Optimize eq/ne comparisons when both arguments are known to be
4769 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4770 Don't mask operands unnecessarily if they are known to be already
4773 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4775 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4778 2010-02-10 Richard Guenther <rguenther@suse.de>
4780 PR tree-optimization/43017
4781 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4782 for wrapping signed arithmetic.
4784 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4787 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4788 if no debug info should be emitted for it.
4790 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4792 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4793 note when flag_exceptions is set.
4795 2010-02-10 Duncan Sands <baldrick@free.fr>
4797 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4799 2010-02-10 Richard Guenther <rguenther@suse.de>
4802 * tree.c (get_unwidened): Handle constants.
4803 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4805 2010-02-10 Martin Jambor <mjambor@suse.cz>
4808 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4809 check for variable argument counts independently.
4811 2010-02-10 Christian Bruel <christian.bruel@st.com>
4814 * config/sh/sh.c (find_barrier): Increase length for non delayed
4815 conditional branches.
4817 2010-02-10 Christian Bruel <christian.bruel@st.com>
4819 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4821 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4823 * builtins.c (set_builtin_user_assembler_name): Also handle
4824 ffs if int is smaller than word.
4826 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4829 * ira-conflicts.c (get_dup): Remove.
4830 (process_reg_shuffles): Add new parameter. Use it as an
4831 additional guard for copy generation.
4832 (add_insn_allocno_copies): Rewrite.
4834 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4836 * common.opt (fsched2-use-traces): Preserved for backward
4838 * doc/invoke.texi: Remove the documentation about option
4839 -fsched2-use-traces.
4840 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4841 flag_sched2_use_traces.
4842 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4843 the backward compatibility flag section.
4845 2010-02-09 Richard Guenther <rguenther@suse.de>
4847 PR tree-optimization/43008
4848 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4849 make HEAP variables initialized from global memory if they
4850 are not known builtin functions.
4851 (find_func_aliases): Adjust.
4853 2010-02-09 Richard Guenther <rguenther@suse.de>
4855 PR tree-optimization/43000
4856 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4857 arithmetic manually.
4859 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4861 PR tree-optimization/42931
4862 * tree-loop-linear.c (try_interchange_loops): Don't call
4863 double_int_mul if estimated_loop_iterations failed.
4865 2010-02-08 Martin Jambor <mjambor@suse.cz>
4868 * tree-sra.c (build_accesses_from_assign): Do not mark in
4869 should_scalarize_away_bitmap if stmt has volatile ops.
4870 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4873 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4875 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4877 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4879 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4882 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4885 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4887 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4890 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4891 to unknown_dependence.
4892 (graphite_legal_transform_dr): Handle the unknown_dependence.
4893 (graphite_carried_dependence_level_k): Same.
4895 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4897 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4899 2010-02-07 Richard Guenther <rguenther@suse.de>
4902 * expr.c (get_inner_reference): Always initialize *pbitsize.
4904 2010-02-07 Richard Guenther <rguenther@suse.de>
4907 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
4908 new ARRAY_REFs on variable size element or minimal index arrays.
4910 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
4911 gimple_fold_indirect_ref.
4913 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
4916 * arm.c (arm_override_options): Just return if the user has specified
4917 an invalid fpu name.
4919 2010-02-03 Jason Merrill <jason@redhat.com>
4922 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
4923 i386_pe_maybe_record_exported_symbol.
4925 2010-02-05 Steve Ellcey <sje@cup.hp.com>
4928 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4929 (pa_delegitimize_address): New function.
4931 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
4933 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
4934 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
4936 2010-02-05 Richard Guenther <rguenther@suse.de>
4939 * lto-streamer-in.c (get_resolution): Deal with references
4940 to undefined functions.
4942 2010-02-05 Richard Guenther <rguenther@suse.de>
4944 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
4945 (fold_const_aggregate_ref): Likewise.
4946 (ccp_fold_stmt): Substitute loads.
4947 (maybe_fold_reference): Verify types before substituting.
4949 (fold_gimple_assign): Unshare properly.
4950 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
4952 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
4954 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
4955 for rs6000_gen_cell_microcode.
4957 2010-02-04 Richard Guenther <rguenther@suse.de>
4959 PR rtl-optimization/42952
4960 * dse.c (const_or_frame_p): Remove MEM handling.
4962 2010-02-04 Nick Clifton <nickc@redhat.com>
4964 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
4965 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
4966 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
4967 (mn10300_asm_output_mi_thunk): New function.
4968 (mn10300_can_output_mu_thunk): New function.
4969 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
4970 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
4971 (FUNCTION_ARG): Delete incorrect comment.
4973 2010-02-03 Jason Merrill <jason@redhat.com>
4976 * fold-const.c (operand_equal_p): Handle erroneous types.
4978 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4980 * config/h8300/h8300.md (can_delay): Fix attibute condition.
4982 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
4984 PR rtl-optimization/42941
4985 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
4988 2010-02-03 Jason Merrill <jason@redhat.com>
4991 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
4993 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
4996 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
4997 (cselib_reset_table): Renamed from...
4998 (cselib_reset_table_with_next_value): ... this.
4999 (cselib_get_next_uid): Renamed from...
5000 (cselib_get_next_unknown_value): ... this.
5001 * cselib.c (next_uid): Renamed from...
5002 (next_unknown_value): ... this.
5003 (cselib_clear_table): Adjust.
5004 (cselib_reset_table): Adjust. Renamed from...
5005 (cselib_reset_table_with_next_value): ... this.
5006 (cselib_get_next_uid): Adjust. Renamed from...
5007 (cselib_get_next_unknown_value): ... this.
5008 (get_value_hash): Use hash.
5009 (cselib_hash_rtx): Likewise.
5010 (new_cselib_val): Adjust. Set and dump uid.
5011 (cselib_lookup_mem): Pass next_uid as hash.
5012 (cselib_subst_to_values): Likewise.
5013 (cselib_log_lookup): Dump uid.
5014 (cselib_lookup): Pass next_uid as hash. Adjust.
5015 (cselib_process_insn): Adjust.
5016 (cselib_init): Initialize next_uid.
5017 (cselib_finish): Adjust.
5018 (dump_cselib_table): Likewise.
5019 * dse.c (canon_address): Dump value uid.
5020 * print-rtl.c (print_rtx): Print value uid.
5021 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5023 (dv_uid): New function, sort of renamed from...
5024 (dv_htab_hash): ... this, reimplemented in terms of it and...
5025 (dv_uid2hash): ... this. New.
5026 (variable_htab_eq): Drop excess assertions.
5027 (tie_break_pointers): Removed.
5028 (canon_value_cmp): Compare uids.
5029 (variable_post_merge_New_vals): Print uids.
5030 (vt_add_function_parameters): Adjust.
5031 (vt_initialize): Reset table. Adjust.
5033 2010-02-03 Richard Guenther <rguenther@suse.de>
5035 PR tree-optimization/42944
5036 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5037 (call_may_clobber_ref_p_1): Likewise. Properly handle
5038 malloc and calloc clobbering errno.
5040 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5042 * doc/invoke.texi: Fix name of sched1 dump.
5044 * opts.c (decode_options): Set flag_tree_switch_conversion
5045 only conditionally on optimize >= 2.
5047 * gcse.c: Assorted comment fixes in pass description.
5049 2010-02-03 Anthony Green <green@moxielogic.com>
5051 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5052 nop padding in order to maintain alignment of storage location of
5053 target function address.
5054 (moxie_trampoline_init): Store target function address at newly
5056 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5058 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5060 2010-02-03 Richard Guenther <rguenther@suse.de>
5063 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5065 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5067 * config.gcc: Reenable check for obsolete targets.
5068 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5069 mips-sgi-irix6.[0-4]*.
5071 2010-02-02 Nick Clifton <nickc@redhat.com>
5073 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5074 constant size of 4 as being the same as 0.
5075 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5076 can take values in the range 0..4.
5078 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5081 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5082 as _darwin10_Unwind_FindEnclosingFunction().
5083 * libgcc-libsystem.ver: New.
5085 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5088 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5089 implicitly set registers.
5091 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5093 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5094 (arm_override_options): Allow automatic selection of the thread
5095 pointer register if thumb2.
5096 (legitimize_pic_address): Improve code sequences for Thumb2.
5097 (arm_call_tls_get_addr): Likewise.
5098 (legitimize_tls_address): Likewise.
5099 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5100 (pic_load_addr_32bit): ... this. New named pattern.
5101 * thumb2.md (pic_load_addr_thumb2): Delete.
5102 (pic_load_dot_plus_four): Delete.
5103 (tls_load_dot_plus_four): New named pattern.
5105 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5108 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5109 Document fix for TLS bug.
5111 2010-01-31 Richard Guenther <rguenther@suse.de>
5113 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5114 conservatively correct.
5116 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5120 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5122 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5124 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5126 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5128 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5130 * config.gcc: Adjust order of makefile fragments for mingw targets.
5132 2010-01-31 Richard Guenther <rguenther@suse.de>
5135 * gimplify.c (gimplify_init_constructor): For volatile LHS
5136 initialize a temporary.
5138 2010-01-31 Matthias Klose <doko@ubuntu.com>
5140 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5142 * configure: Regenerate.
5144 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5146 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5147 the same alias set and their sizes different constantness.
5148 (aliasing_component_refs_p): Revert 2009-10-24 change.
5150 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5152 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5155 2010-01-29 Richard Guenther <rguenther@suse.de>
5157 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5158 Assert we successfully updated the call.
5160 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5162 PR rtl-optimization/42889
5163 * df.h (df_set_bb_dirty_nonlr): New prototype.
5164 * df-core.c (df_set_bb_dirty_nonlr): New function.
5165 * df-scan.c (df_insn_rescan): Call it instead of
5166 df_set_bb_dirty for DEBUG_INSNs.
5168 2010-01-29 Richard Guenther <rguenther@suse.de>
5171 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5172 quadratic behavior in most cases.
5174 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5177 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5178 in the call to gen_x86_movsicc_0_m1.
5180 2010-01-28 Richard Guenther <rguenther@suse.de>
5182 PR tree-optimization/42871
5183 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5185 2010-01-28 Richard Guenther <rguenther@suse.de>
5187 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5188 into call arguments.
5190 2010-01-28 Richard Guenther <rguenther@suse.de>
5193 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5194 the forwarder if the destination is an EH landing pad.
5196 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5198 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5199 block list passed to gimple_duplicate_sese_tail.
5200 (parallelize_loops): Avoid parallelization when the function
5202 Avoid parallelization when the preheader is IRREDUCIBLE.
5203 Try to optimize when estimated_loop_iterations_int is unresolved.
5204 Add the loop's location to the dump file.
5205 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5206 (gimple_duplicate_sese_tail): Remove the check for the latch.
5207 Redirect nexits to the exit block.
5208 Remove handling of the incoming edges to the latch.
5209 Redirect the backedge from the copied latch to the exit bb.
5211 2010-01-28 Michael Matz <matz@suse.de>
5214 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5215 Wrap force_reg into a sequence, emit it before user.
5217 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5219 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5221 (arm_legacy_rev): Likewise.
5222 (thumb_legacy_rev): Likewise.
5224 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5226 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5227 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5228 on MEM's address failed, try avoid_constant_pool_reference and
5229 recurse if it returned something different.
5230 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5231 address, try avoid_constant_pool_reference and recurse if it
5232 returned something different.
5233 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5234 address and avoid_constant_pool_reference returned something
5235 different, don't set have_address.
5237 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5240 * var-tracking.c (val_store): Add modified argument, obey it.
5242 (count_uses): Move down logging of main.
5243 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5244 don't need resolution.
5245 (emit_notes_in_bb): Likewise.
5247 2010-01-27 Richard Guenther <rguenther@suse.de>
5250 * tree-inline.c (remap_decl): Delay remapping of SSA name
5251 default definitions until we need them.
5253 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5255 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5256 (rs6000_delegitimize_address): New function.
5258 * config/s390/s390.c (s390_delegitimize_address): Call
5259 delegitimize_mem_from_attrs.
5262 * tree-inline.c (cannot_copy_type_1): Removed.
5263 (copy_forbidden): Don't forbid copying of functions containing
5264 records/unions with variable length fields.
5266 2010-01-27 Christian Bruel <christian.bruel@st.com>
5270 * config/sh/sh.c (find_barrier): Increase length for non delayed
5271 conditional branches.
5273 2010-01-27 Matthias Klose <doko@ubuntu.com>
5275 * configure.ac (gnu-unique-object): Fix ldd version check.
5276 * configure: Regenerate.
5278 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5280 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5282 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5283 Test for HAVE_GNU_AS value.
5285 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5287 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5288 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5289 INT64_TYPE): Define.
5290 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5291 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5292 INT_LEAST64_TYPE): Define.
5293 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5294 UINT_LEAST64_TYPE): Define.
5295 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5296 INT_FAST64_TYPE): Define.
5297 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5298 UINT_FAST64_TYPE): Define.
5299 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5300 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5301 (SIG_ATOMIC_TYPE): Define.
5303 2010-01-26 Richard Guenther <rguenther@suse.de>
5305 * df-scan.c (df_scan_set_bb_info): Remove assert.
5306 (df_insn_rescan_debug_internal): Merge asserts.
5307 (df_install_ref): Likewise.
5308 (df_mark_reg): Use bitmap_set_range.
5309 (df_hard_reg_used_p): Remove assert.
5310 (df_hard_reg_used_count): Likewise.
5312 2010-01-26 Richard Guenther <rguenther@suse.de>
5314 PR rtl-optimization/42685
5315 * web.c (web_main): Ignore DEBUG_INSNs.
5317 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5319 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5321 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5322 Fix types of fndecl and arglist parameters.
5324 2010-01-26 Richard Guenther <rguenther@suse.de>
5327 * tree-eh.c (unsplit_eh): Skip debug insns.
5329 2010-01-26 Richard Guenther <rguenther@suse.de>
5331 PR tree-optimization/42250
5332 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5334 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5337 * omp-low.c (expand_omp_sections): Only use single_pred if
5338 l2_bb is single_pred_p.
5340 2010-01-25 Christian Bruel <christian.bruel@st.com>
5343 * config/sh/sh.c (find_barrier): Increase length for non delayed
5344 conditional branches.
5345 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5347 2010-01-24 David S. Miller <davem@davemloft.net>
5349 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5350 define if not using GAS.
5351 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5352 Likewise. Delete SECTION_MERGE code, which is only applicable
5355 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5358 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5359 mangling of va_list in system headers.
5361 2010-01-23 Toon Moene <toon@moene.org>
5363 * tree-predcom.c (combine_chains): Return NULL, not false.
5365 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5367 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5368 initialization of variable res to agree with return type.
5370 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5372 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5373 * tree-sra.c: Add include of expr.h.
5375 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5377 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5378 insert the debug stmt on the single non-EH edge from the stmt.
5380 2010-01-22 Richard Henderson <rth@redhat.com>
5383 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5384 the RHS until after generate_subtree_copies has insertted its
5385 code before the current statement.
5387 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5389 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5391 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5393 2010-01-21 Martin Jambor <mjambor@suse.cz>
5395 PR tree-optimization/42585
5396 * tree-sra.c (struct access): New field grp_total_scalarization.
5397 (dump_access): Dump the new field.
5398 (should_scalarize_away_bitmap): New variable.
5399 (cannot_scalarize_away_bitmap): Likewise.
5400 (sra_initialize): Allocate new bitmaps.
5401 (sra_deinitialize): Free new bitmaps.
5402 (create_access_1): New function.
5403 (create_access): Parts moved to create_access_1.
5404 (type_consists_of_records_p): New function.
5405 (completely_scalarize_record): Likewise.
5406 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5407 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5408 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5410 (analyze_all_variable_accesses): Completely scalarize small eligible
5413 2010-01-21 Martin Jambor <mjambor@suse.cz>
5415 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5417 2010-01-21 Andrew Haley <aph@redhat.com>
5419 * gcc.c (process_command): Move lang_specific_driver before
5420 setting cc_libexec_prefix.
5422 2010-01-21 Richard Guenther <rguenther@suse.de>
5425 * fold-const.c (negate_expr_p): Pretend only negative
5426 real constants are easily negatable.
5428 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5429 Jason Merrill <jason@redhat.com>
5431 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5432 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5433 * calls.c (initialize argument_information): Handle it.
5434 * c-common.c (handle_transparent_union_attribute): Use new name.
5435 * c-decl.c (finish_struct): Ditto.
5436 * c-typeck.c (type_lists_compatible_p): Ditto.
5437 (convert_for_assignment): Use new name and also handle record.
5438 * function.c (aggregate_value_p): Handle it.
5439 (pass_by_reference): Ditto.
5440 (assign_parm_data_types): Ditto.
5441 * print-tree.c (print_node): Ditto.
5442 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5443 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5444 * tree.c (first_field): New fn.
5446 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5449 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5450 even when linking statically, for now.
5452 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5455 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5456 without a cselib val.
5457 (count_uses): Accept MO_VAL_SET with no val on stores.
5458 (add_stores): Likewise.
5460 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5462 * var-tracking.c (check_value_val): Add a compile time assertion.
5463 (dv_is_decl_p): Simplify.
5464 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5465 gcc_assert if ENABLE_CHECKING.
5467 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5470 * var-tracking.c: Include tree-flow.h.
5471 (mem_dies_at_call): New.
5472 (dataflow_set_preserve_mem_locs): Use it.
5473 (dataflow_set_remove_mem_locs): Likewise.
5474 (dump_var): Renamed from dump_variable. Adjust all callers.
5475 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5476 * Makefile.in (var-tracking.o): Adjust deps.
5478 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5480 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5482 2010-01-20 Richard Guenther <rguenther@suse.de>
5484 PR tree-optimization/42717
5485 * tree-ssa-dce.c (get_live_post_dom): Remove.
5486 (forward_edge_to_pdom): Take an arbitrary edge to copy
5487 degenerate PHI args from.
5488 (remove_dead_stmt): Use the first post-dominator even if it
5489 does not contain live statements as redirection destination.
5491 2010-01-20 Richard Guenther <rguenther@suse.de>
5493 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5495 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5497 * sel-sched.c (create_speculation_check): Remove set but not used
5499 (try_transformation_cache): Remove set but not used variable ds.
5500 (calculate_privileged_insns): Remove set but not used variables
5501 cur_insn and min_spec_insn.
5502 (find_best_expr): Remove set but not used variable avail_n.
5503 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5505 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5507 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5508 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5511 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5514 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5515 cpu types. Add support for *-sse3 cpu types.
5516 (x86_64-*-*): Ditto.
5518 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5521 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5522 argument, call initializer_constant_valid_p_1 instead of
5523 initializer_constant_valid_p, pass CACHE to it, return NULL
5524 immediately if first call returns NULL.
5525 (initializer_constant_valid_p_1): New function.
5526 (initializer_constant_valid_p): Use it.
5528 2010-01-20 Thomas Quinot <quinot@adacore.com>
5530 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5532 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5534 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5535 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5536 (loc_list_from_tree): Don't handle unsigned division. Handle
5537 signed modulo using DW_OP_{over,over,div,mul,minus}.
5538 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5539 modulo instead of signed.
5541 2010-01-20 DJ Delorie <dj@redhat.com>
5543 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5545 (h8300_emit_stack_adjustment): Propogate it.
5547 (h8300_expand_prologue): Likewise.
5548 (h8300_expand_epilogue): Likewise.
5550 2010-01-19 Michael Matz <matz@suse.de>
5552 PR tree-optimization/41783
5553 * tree-data-ref.c (toplevel): Include flags.h.
5554 (dump_data_dependence_relation): Also dump the inputs if the
5555 result will be unknown.
5556 (split_constant_offset_1): Look through some conversions.
5557 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5558 the offset from last element is too large.
5559 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5560 (reassociate_to_the_same_stmt): Handle vector registers.
5561 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5563 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5564 wide_prolog_niters argument, emit widening instructions.
5565 (vect_do_peeling_for_alignment): Adjust caller, use widened
5566 variant of the iteration cound.
5567 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5569 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5572 * config/arm/neon-testgen.m (emit_automatics): New parameter
5573 features. Adjust for Fixed_return_reg feature.
5574 (test_intrinsic): Call emit_automatics with new feature.
5575 * config/arm/neon.ml: Update copyright years.
5576 (features): New Fixed_return_reg feature.
5577 (ops): Update feature for Vget_low.
5579 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5581 PR tree-optimization/42719
5582 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5586 * fwprop.c (all_uses_available_at): Return false if def_set dest
5587 is a REG that is used in def_insn.
5589 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5591 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5593 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5596 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5598 * target.h (struct gcc_target) <secondary_reload>: Change type
5599 of last argument to secondary_reload_info *.
5601 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5604 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5605 memory references with unaligned offsets. Remove CQImode handling.
5606 (unaligned_memory_operand): Return 1 for memory references with
5607 unaligned offsets. Remove CQImode handling.
5609 2010-01-18 Richard Guenther <rguenther@suse.de>
5612 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5615 2010-01-18 Richard Guenther <rguenther@suse.de>
5617 PR tree-optimization/42781
5618 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5619 restrict processing only if the original variable was artificial.
5621 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5623 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5624 find number of popped argument bytes.
5626 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5627 Fix the text that describes the return value for invalid insns.
5629 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5631 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5632 Clarify what 'cost of the -dependence' is. Fix quoting.
5634 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5635 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5637 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5639 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5640 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5642 2010-01-17 Richard Guenther <rguenther@suse.de>
5645 * function.c (split_complex_args): Take a VEC to modify.
5646 (assign_parms_augmented_arg_list): Build a VEC instead of
5647 a chain of PARM_DECLs.
5648 (assign_parms_unsplit_complex): Take a VEC of arguments.
5649 Do not fixup unmodified parms.
5650 (assign_parms): Deal with the VEC.
5651 (gimplify_parameters): Likewise.
5653 2010-01-17 Richard Guenther <rguenther@suse.de>
5655 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5656 node existence check.
5657 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5658 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5659 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5660 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5661 (gimple_execute_on_growing_pred): Likewise.
5663 2010-01-17 Richard Guenther <rguenther@suse.de>
5665 PR tree-optimization/42773
5666 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5667 (compute_antic_aux): Likewise.
5668 (compute_partial_antic_aux): Likewise.
5670 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5673 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5676 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5678 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5681 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5682 Fix markup for strict argument.
5684 (TARGET_SCHED_REORDER2): Fix argument types.
5686 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5687 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5689 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5690 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5692 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5695 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5696 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5697 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5698 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5699 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5701 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5703 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5705 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5706 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5708 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5710 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5713 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5715 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5716 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5718 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5720 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5722 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5723 referring to it. Fix language.
5725 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5727 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5729 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5731 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5733 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5734 '@var{stream}. Remove stray 'and'.
5736 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5738 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5740 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5742 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5743 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5745 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5746 Fix description of return value.
5747 Rename argument "sz" to "len."
5749 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5750 Clarify meaning of 'true' return value.
5752 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5754 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5755 rep_mode versus mode_rep.
5757 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5759 (TARGET_BUILTIN_DECL): Fix name.
5761 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5763 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5765 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5767 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5769 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5771 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5774 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5775 Rename argument tm_fn to md_fn.
5777 (TARGET_OPTION_PRINT): Fix argument list.
5779 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5782 * config/i386/i386.c (ix86_fixup_binary_operands):
5783 Revert FMA4 fixup of operands.
5785 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5788 * Makefile.in (write_entries_to_file, install-plugin):
5789 Use \012 instead of \n with tr.
5791 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5793 * configure.ac (HAVE_AS_REF): New C macro.
5794 * configure: Regenerate.
5795 * config.in: Likewise.
5796 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5798 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5801 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5803 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5805 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5807 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5809 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5811 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5813 (TARGET_BINDS_LOCAL_P): Fix argument type.
5815 (TARGET_ASM_FILE_END): Use prototype.
5817 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5819 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5821 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5823 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5825 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5826 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5828 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5829 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5831 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5832 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5833 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5834 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5836 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5838 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5840 (TARGET_INIT_BUILTINS): Use prototype.
5842 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5843 Put 'const char *' in braces. Fix parameter types.
5844 (TARGET_INVALID_CONVERSION): Fix parameter types.
5845 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5846 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5848 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5851 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5853 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5855 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5857 * doc/tm.texi (TARGET_HELP): Fix return type.
5859 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5860 in braces. Fix argument types.
5862 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5864 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5866 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5868 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5869 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5871 (TARGET_MANGLE_TYPE): Fix argument types.
5873 (TARGET_IRA_COVER_CLASSES): Use prototype.
5875 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5877 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5879 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5881 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5883 (TARGET_CALLEE_COPIES): Fix argument types.
5885 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5887 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5889 (TARGET_FUNCTION_VALUE): Fix argument types.
5891 (TARGET_RETURN_IN_MSB): Fix argument type.
5893 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5895 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5897 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5899 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5900 agree with return type.
5902 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5904 2010-01-15 Jing Yu <jingyu@google.com>
5906 PR rtl-optimization/42691
5907 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
5908 a pseudo to a constant and are merged, and adjust comments.
5910 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
5912 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
5914 2010-01-15 Richard Guenther <rguenther@suse.de>
5917 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
5918 labels of computed or non-local gotos to the destination.
5919 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
5920 landing pad label is the first label.
5922 2010-01-15 Richard Guenther <rguenther@suse.de>
5924 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
5926 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5929 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
5930 to allow generation of the xssqrtdp instruction on power7.
5931 (sqrtdf2_fpr): Ditto.
5933 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5936 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
5937 functions with noreturn attribute.
5940 * varasm.c (declare_weak): Add weak attribute to decl if it
5941 doesn't have one already.
5942 (assemble_external): Only add decls to weak_decls if they also
5943 have weak attribute.
5945 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
5947 * var-tracking.c (var_reg_delete): Don't delete the association
5948 between REGs and values or one-part variables if the register
5951 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5954 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
5955 because its first operand is a non-localized variable.
5957 2010-01-14 Martin Jambor <mjambor@suse.cz>
5959 PR tree-optimization/42706
5960 * tree-sra.c (encountered_recursive_call): New variable.
5961 (encountered_unchangable_recursive_call): Likewise.
5962 (sra_initialize): Initialize both new variables.
5963 (callsite_has_enough_arguments_p): New function.
5964 (scan_function): Call decl and flags check only for IPA-SRA, check
5965 whether there is a recursive call and whether it has enough arguments.
5966 (all_callers_have_enough_arguments_p): New function.
5967 (convert_callers): Look for recursive calls only when
5968 encountered_recursive_call is set.
5969 (ipa_early_sra): Bail out either if
5970 !all_callers_have_enough_arguments_p or
5971 encountered_unchangable_recursive_call.
5973 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5975 * sel-sched.c: Add 2010 to copyright years.
5976 * sel-sched-ir.c: Likewise.
5977 * sel-sched-ir.h: Likewise.
5979 2010-01-14 Martin Jambor <mjambor@suse.cz>
5981 PR tree-optimization/42714
5982 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
5983 constructors specially.
5985 2010-01-14 Andi Kleen <ak@linux.intel.com>
5987 * config/i386/drivers-i386.c (detect_caches_intel):
5988 Add l2sizekb parameter and fill in.
5989 (host_detect_local_cpu): Add l2sizekb, fill in.
5990 Add Atom small cache heuristic.
5992 2010-01-14 Andi Kleen <ak@linux.intel.com>
5994 * config/i386/drivers-i386.c (detect_caches_cpuid4):
5995 Add level3 parameter and fill in.
5996 (detect_caches_intel): Handle level3 cache.
5998 2010-01-14 Andi Kleen <ak@linux.intel.com>
6000 * config/i386/drivers-i386.c (host_detect_local_cpu):
6001 Fix core duo detection.
6003 2010-01-14 Andi Kleen <ak@linux.intel.com>
6005 * config/i386/drivers-i386.c (host_detect_local_cpu):
6008 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6010 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6011 (rs6000_variable_issue_1): this. Use...
6012 (rs6000_variable_issue): here. Reimplement. Print debug info.
6014 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6016 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6017 sel_restore_notes. Update all callers. Call reemit_notes
6020 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6022 PR rtl-optimization/42246
6023 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6026 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6028 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6029 all successors is the same as number of successors in current region.
6031 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6033 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6034 to rename is not separable. Otherwise check that its LHS is not NULL.
6036 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6038 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6040 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6042 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6043 available registers when failed to discover LHS register class.
6044 Fix indentation. Update comment.
6046 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6047 Alexander Monakov <amonakov@ispras.ru>
6049 PR rtl-optimization/42389
6050 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6052 (advance_state_on_fence): Likewise.
6053 (sel_target_adjust_priority): Print debug output only when
6054 sched_verbose >= 4, not 2.
6055 (get_expr_cost): Do not issue all unique insns on the next cycle.
6056 (fill_insns): Initialize can_issue_more from the value saved
6058 * sel-sched-ir.c (flist_add): New parameter issue_more.
6059 Init FENCE_ISSUE_MORE with it.
6060 (merge_fences): Likewise.
6061 (init_fences): Update call to flist_add.
6062 (add_to_fences, add_clean_fence_to_fences)
6063 (add_dirty_fence_to_fences): Likewise.
6064 (move_fence_to_fences): Update call to merge_fences.
6065 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6067 * sel-sched-ir.h (struct _fence): New field issue_more.
6068 (FENCE_ISSUE_MORE): New accessor macro.
6070 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6072 PR rtl-optimization/42388
6073 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6074 that have no predecessors nor successors. Do not call move_bb_info
6075 for empty blocks outside of current region.
6077 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6079 PR rtl-optimization/42294
6080 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6081 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6082 originators' originators.
6084 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6086 PR rtl-optimization/39453
6087 PR rtl-optimization/42246
6088 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6090 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6092 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6093 Alexander Monakov <amonakov@ispras.ru>
6096 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6097 (maybe_tidy_empty_bb): ... here. Make static. Add new
6098 argument. Update all callers.
6099 (tidy_control_flow): ... and here. Recompute topological order
6100 of basic blocks in region if necessary.
6101 (sel_redirect_edge_and_branch): Change return type. Return true
6102 if topological order might have been invalidated.
6103 (purge_empty_blocks): Export and move from...
6104 * sel-sched.c (purge_empty_blocks): ... here.
6105 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6106 (maybe_tidy_empty_bb): Delete prototype.
6107 (purge_empty_blocks): Declare.
6109 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6111 PR rtl-optimization/42249
6112 * sel-sched.c (try_replace_dest_reg): When chosen register
6113 and original register is the same, do not bail out early, but
6114 still check all original insns for validity of replacing destination
6115 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6118 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6121 Port from no-undefined-overflow branch:
6122 2009-03-09 Richard Guenther <rguenther@suse.de>
6124 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6126 2010-01-14 Richard Guenther <rguenther@suse.de>
6129 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6131 2010-01-14 Ira Rosen <irar@il.ibm.com>
6133 PR tree-optimization/42709
6134 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6135 as scalar type in creation of constant vector operand.
6137 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6140 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6141 (check-parallel-%): Match `testsuite' directory component only
6144 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6146 PR translation/39521
6147 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6150 2010-01-13 Richard Guenther <rguenther@suse.de>
6152 PR tree-optimization/42730
6153 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6156 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6159 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6160 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6163 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6165 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6166 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6167 ___umulsi3_highpart.
6169 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6170 rather than schedule_insns if the pass is enabled.
6172 2010-01-13 Martin Jambor <mjambor@suse.cz>
6174 PR tree-optimization/42704
6175 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6178 2010-01-13 Martin Jambor <mjambor@suse.cz>
6180 PR tree-optimization/42703
6181 * tree-sra.c (analyze_access_subtree): Check that we can build a
6182 reference to the original data within the aggregate.
6184 2010-01-13 Richard Guenther <rguenther@suse.de>
6186 PR tree-optimization/42705
6187 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6189 2010-01-13 Richard Guenther <rguenther@suse.de>
6192 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6194 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6197 * var-tracking.c (values_to_unmark): New variable.
6198 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6199 values_to_unmark vector. Moved body to...
6200 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6201 instead queue it into values_to_unmark vector.
6202 (vt_find_locations): Free values_to_unmark vector.
6204 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6206 * config/s390/s390.c (override_options): Set
6207 default of max-pending-list-length to 256
6209 2010-01-13 Richard Guenther <rguenther@suse.de>
6212 * tree-pass.h (PROP_gimple_lcx): New.
6213 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6214 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6215 before the final cleanup_eh.
6216 (dump_properties): Dump PROP_gimple_lcx.
6217 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6218 (tree_lower_complex_O0): Remove.
6219 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6220 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6221 tree_lower_complex, schedule TODO_update_ssa.
6222 * lto-streamer-out.c (output_function): Stream the functions
6224 * lto-streamer-in.c (input_function): Likewise.
6225 (lto_read_body): Do not override them here.
6227 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6230 * c-typeck.c (build_c_cast): Fold value cast to union type before
6231 wrapping it in a CONSTRUCTOR.
6233 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6235 PR rtl-optimization/42699
6236 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6239 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6241 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6242 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6243 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6244 SUBTARGET_WARN_UNUSED_SPEC): ... here
6245 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6247 2010-01-12 Julian Brown <julian@codesourcery.com>
6249 * config/arm/neon-schedgen.ml (Utils): Don't try to
6250 open missing module.
6251 (find_with_result): New.
6253 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6256 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6257 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6259 PR tree-optimization/42645
6260 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6261 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6262 decl_map, set processing_debug_stmt to -1 and return name without
6265 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6267 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6268 binutils version, and reword target configuration description.
6270 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6272 * config/avr/avr.h (LINKER_NAME): Remove.
6274 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6277 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6278 that support VSX, warn for -mno-altivec if vsx is not disabled,
6281 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6282 Shujing Zhao <pearly.zhao@oracle.com>
6284 PR translation/42469
6285 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6286 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6287 character between option name and help text.
6288 * c.opt (imultilib): Likewise.
6290 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6292 * lto-streamer-out.c (output_unreferenced_globals): Output static
6295 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6297 PR rtl-optimization/42621
6298 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6299 optimizing for size.
6300 (duplicate_computed_gotos): Remove now-redundant check.
6302 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6305 * configure.ac: Save and restore LDFLAGS and LIBS
6306 * configure: Regenerate.
6308 2010-01-10 Richard Guenther <rguenther@suse.de>
6311 * builtins.c (fold_builtin_strlen): Add type argument and
6312 convert the resulting length to it.
6313 (fold_builtin_1): Adjust.
6315 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6317 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6318 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6320 (num_insns_constant_wide): Adjust for that change.
6322 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6325 * web.c (union_defs): Add used argument, to combine uses of
6327 (entry_register): Adjust type and tests of used argument.
6328 (web_main): Widen used for new use. Pass it to union_defs.
6329 * df.h (union_defs): Adjust prototype.
6331 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6334 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6335 uses in new incoming argument. Free body.
6336 (reset_debug_uses_in_loop): New.
6337 (analyze_insn_to_expand_var): Call the latter if the former found
6338 anything. Fix whitespace. Reject invalid dest overlaps before
6339 going through all insns in the loop.
6341 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6344 * haifa-sched.c (dying_use_p): Debug insns don't count.
6346 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6349 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6350 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6351 (verify_gimple_call): Reject LHS in noreturn calls.
6353 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6357 * tree-vect-loop-manip.c (adjust_info): New type.
6358 (adjust_vec): New pointer to vector.
6359 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6360 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6361 (slpeel_update_phis_for_duplicate_loop): Use them.
6362 (slpeel_update_phi_nodes_for_guard1): Likewise.
6363 (slpeel_update_phi_nodes_for_guard2): Likewise.
6364 (slpeel_tree_peel_loop_to_edge): Likewise.
6365 (vect_update_ivs_after_vectorizer): Likewise.
6367 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6369 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6370 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6372 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6374 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6375 bogus uninitialized warning.
6377 2010-01-09 Richard Guenther <rguenther@suse.de>
6380 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6381 the evolution is compatible with the initial condition.
6383 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6385 * gcc.c (process_command): Update copyright notice dates.
6386 * gcov.c (print_version): Likewise.
6387 * gcov-dump.c (print_version): Likewise.
6388 * mips-tfile.c (main): Likewise.
6389 * mips-tdump.c (main): Likewise.
6391 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6394 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6396 (rotlhi3_8): Delete.
6398 (rotlsi3_8): Delete.
6399 (rotlsi3_16): Delete.
6400 (rotlsi3_24): Delete.
6402 (*rotw<mode>3): New.
6403 (*rotb<mode>3): New.
6404 * config/avr/avr.c (avr_rotate_bytes): New function.
6405 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6407 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6410 * configure.ac: Modify -rdynamic check.
6411 * configure: Regenerate.
6413 2010-01-08 DJ Delorie <dj@redhat.com>
6415 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6416 register popping order.
6418 2010-01-08 Richard Guenther <rguenther@suse.de>
6421 * c.opt (fsigned-char): Also let LTO handle this option.
6422 (funsigned-char): Likewise.
6424 2010-01-07 Richard Guenther <rguenther@suse.de>
6426 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6427 (gimple_op): Likewise.
6428 (gimple_op_ptr): Likewise.
6429 (gimple_assign_set_lhs): Remove gcc_assert.
6430 (gimple_assign_set_rhs1): Likewise.
6431 (gimple_assign_set_rhs2): Likewise.
6432 (gimple_call_set_lhs): Likewise.
6433 (gimple_call_set_fn): Likewise.
6434 (gimple_call_set_fndecl): Likewise.
6435 (gimple_call_fndecl): Likewise.
6436 (gimple_call_return_type): Likewise.
6437 (gimple_call_set_chain): Likewise.
6438 (gimple_call_num_args): Likewise.
6439 (gimple_call_set_arg): Likewise.
6440 (gimple_cond_set_code): Likewise.
6441 (gimple_cond_set_lhs): Likewise.
6442 (gimple_cond_set_rhs): Likewise.
6443 (gimple_cond_set_true_label): Likewise.
6444 (gimple_cond_set_false_label): Likewise.
6445 (gimple_label_set_label): Likewise.
6446 (gimple_goto_set_dest): Likewise.
6447 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6448 (gimple_debug_bind_get_value): Likewise.
6449 (gimple_debug_bind_get_value_ptr): Likewise.
6450 (gimple_debug_bind_set_var): Likewise.
6451 (gimple_debug_bind_set_value): Likewise.
6452 (gimple_debug_bind_reset_value): Likewise.
6453 (gimple_debug_bind_has_value_p): Likewise.
6454 (gimple_return_retval_ptr): Remove gcc_assert.
6455 (gimple_return_retval): Likewise.
6456 (gimple_return_set_retval): Likewise.
6457 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6458 (safe_referenced_var_iterator): Remove.
6459 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6460 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6461 (fill_referenced_var_vec): Remove.
6462 (first_readonly_imm_use): Remove redundant gcc_assert.
6463 (phi_arg_index_from_use): Combine gcc_asserts.
6464 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6465 (first_imm_use_stmt): Remove redundant gcc_assert.
6466 * tree-cfg.c (verify_gimple_call): Verify function and chain
6467 operands. Verify arguments.
6468 (verify_types_in_gimple_stmt): Verify condition code and labels.
6470 2010-01-07 Richard Guenther <rguenther@suse.de>
6472 PR tree-optimization/42641
6473 * sese.c (rename_map_elt_info): Use the SSA name version, do
6476 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6478 PR tree-optimization/42625
6479 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6480 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6482 2010-01-07 Duncan Sands <baldrick@free.fr>
6484 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6486 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6489 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6490 note itself is not function_invariant_p.
6492 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6494 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6495 Do not add the DF_NOTE problem.
6496 * store-motion.c (execute_rtl_store_motion): Likewise.
6498 2010-01-07 Martin Jambor <mjambor@suse.cz>
6500 PR tree-optimization/42157
6501 * tree-sra.c (compare_access_positions): Stabilize sort if both
6502 accesses have integer types, return zero immediately if they are the
6505 2010-01-06 Richard Henderson <rth@redhat.com>
6508 * haifa-sched.c (add_to_note_list): Merge into ...
6509 (concat_note_lists): ... here, and ...
6510 (unlink_other_notes, rm_other_notes): Merge into...
6511 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6512 NOTE_INSN_EPILOGUE_BEG.
6514 2010-01-06 Richard Guenther <rguenther@suse.de>
6516 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6517 not inline regular functions into always-inline functions.
6519 2010-01-06 Nick Clifton <nickc@redhat.com>
6521 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6522 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6524 (OVERRIDE_OPTIONS): Delete.
6525 (OPTIMIZATION_OPTIONS): Define.
6526 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6527 * config/rx/rx.c (rx_handle_option): Issue an error message if
6528 -mcpu=rx200 and -fpu are used together.
6529 (rx_set_optimization_options): New function. Issue an error
6530 message if an optimization attribute attempts to reset the FPU/
6531 math optimization pairing.
6532 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6533 * config/rx/rx.opt: Set the default to 32-bit doubles.
6534 * config/rx/t-rx: Add multilibs for -nofpu option.
6535 * doc/invoke.texi: Update documentation of RX options.
6537 2010-01-06 Richard Guenther <rguenther@suse.de>
6539 * tree-ssa-pre.c (name_to_id): New global.
6540 (alloc_expression_id): Simplify SSA name handling.
6541 (lookup_expression_id): Likewise.
6542 (init_pre): Zero name_to_id.
6543 (fini_pre): Free it.
6545 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6547 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6549 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6552 * config/i386/sse.md (smaxv2di3): New.
6553 (umaxv2di3): Likewise.
6554 (sminv2di3): Likewise.
6555 (uminv2di3): Likewise.
6557 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6560 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6561 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6562 (legitimize_tls_address): Likewise.
6563 (sparc_tls_referenced_p): Likewise.
6564 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6565 and adjust calls to legitimize_pic_address.
6566 (legitimate_constant_p) Use sparc_tls_referenced_p.
6567 (legitimate_pic_operand_p): Likewise.
6568 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6569 (sparc_tls_symbol_ref_1): Delete.
6570 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6571 (legitimize_tls_address): Make static, handle CONST patterns.
6572 (legitimize_pic_address): Make static, remove unused parameter and
6573 adjust recursive calls.
6574 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6575 and adjust call to legitimize_pic_address.
6576 (sparc_output_mi_thunk): Likewise.
6578 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6579 H.J. Lu <hongjiu.lu@intel.com>
6582 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6583 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6584 operands to make them signed.
6587 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6590 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6591 GTU to GT for V4SI and V2DI.
6593 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6594 (umin<mode>3): Removed.
6596 (uminv4si3): Likewise.
6598 2010-01-05 Martin Jambor <mjambor@suse.cz>
6600 PR tree-optimization/42462
6601 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6602 current_function_decl to helper functions and macros.
6604 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6607 * flags.h: Don't include real.h.
6608 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6609 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6610 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6611 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6612 * dominance.c: Update copyright.
6613 * gimple.c (walk_gimple_op): Remove inline.
6614 * tree-ssa-reassoc.c: Include real.h.
6615 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6616 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6618 2010-01-05 Nick Clifton <nickc@redhat.com>
6620 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6621 register to push into the stack frame when the accumulator has to
6622 be saved during interrupts.
6624 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6626 * doc/invoke.texi: Remove the documentation about option
6628 * common.opt (Wunreachable-code): Preserved for backward
6630 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6631 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6632 the backward compatibility flag section.
6634 2010-01-05 Richard Guenther <rguenther@suse.de>
6636 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6638 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6641 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6643 PR tree-optimization/42508
6644 * tree-sra.c (convert_callers): Check for recursive call
6645 by comparing cgraph nodes instead of decls.
6646 (modify_function): Call ipa_modify_formal_parameters also
6647 on all same_body aliases.
6649 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6650 cgraph nodes when checking for same_body aliases.
6652 2010-01-05 Richard Guenther <rguenther@suse.de>
6654 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6655 allocation and lookup.
6656 (get_or_alloc_expr_for_constant): Likewise.
6657 (phi_translate): Sink allocation.
6659 2010-01-04 Richard Guenther <rguenther@suse.de>
6661 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6662 a new entry only if needed.
6663 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6664 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6666 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6668 (phi_translate): Handle CONSTANTs early.
6670 2010-01-04 Martin Jambor <mjambor@suse.cz>
6672 PR tree-optimization/42398
6673 * tree-sra.c (struct access): Removed flag grp_different_types.
6674 (dump_access): Do not dump the removed flag.
6675 (sort_and_splice_var_accesses): Do not set the removed flag.
6676 (sra_modify_expr): Check for type compatibility directly.
6678 2010-01-04 Martin Jambor <mjambor@suse.cz>
6680 PR tree-optimization/42366
6681 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6682 edges with variable number of parameters.
6683 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6684 flag instead of asserting it.
6685 (ipa_read_node_info): Read uses_analysis_done flag.
6687 2010-01-04 Richard Guenther <rguenther@suse.de>
6689 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6690 iterative_hash_* as intended.
6691 (vn_reference_compute_hash): Likewise. Simplify hashing
6693 (vn_reference_lookup_2): Likewise.
6694 (vn_nary_op_compute_hash): Likewise.
6695 (vn_phi_compute_hash): Likewise.
6696 (expressions_equal_p): Remove strange code.
6697 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6698 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6699 (bitmap_insert_into_set_1): Take value-id as parameter.
6700 (add_to_value): Pass it.
6701 (bitmap_insert_into_set): Likewise.
6702 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6704 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6707 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6708 (do_self_spec): For switches with SWITCH_IGNORE set set also
6709 SWITCH_IGNORE_PERMANENTLY.
6710 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6713 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6715 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6716 tree of an unreferenced global var.
6718 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6721 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6722 GTU to GT for V4SI and V2DI.
6724 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6725 (umin<mode>3): Removed.
6727 (uminv4si3): Likewise.
6729 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6732 * collect2.c (main): Turn on trace in collect2 if -v is passed
6735 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6737 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6738 description of expression operand.
6740 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6742 * configure.ac: Add install-html to target_list for Make-hooks.
6743 * configure: Regenerate.
6744 * fortran/Make-lang.in (F95_HTMLFILES): New.
6745 (fortran.html): Use it.
6746 (fortran.install-html): New.
6747 * Makefile.in (install-html): Add lang.install-html.
6748 * java/Make-lang.in (JAVA_HTMLFILES): New.
6749 (java.html): Use it.
6750 (java.install-html): New.
6751 * objc/Make-lang.in (objc.install-html): New.
6752 * objcp/Make-lang.in (obj-c++.install-html): New.
6753 * cp/Make-lang.in (c++.install-html): New.
6754 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6755 * lto/Make-lang.in (lto.install-html): New.
6757 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6760 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6762 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6764 PR rtl-optimization/41862
6765 * store-motion.c (store_killed_in_insn, compute_store_table,
6766 remove_reachable_equiv_notes, replace_store_insn,
6767 build_store_vectors): Ignore all DEBUG_INSNs.
6769 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6772 * common.opt: Add dumpdir.
6774 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6776 (option_map): Add --dumpdir.
6778 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6780 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6782 * opts.c (decode_options): Try dump_dir_name first if
6783 dump_base_name isn't an absolute path.
6784 (common_handle_option): Handle OPT_dumpdir.
6786 * toplev.c (dump_dir_name): New.
6787 (print_switch_values): Also ignore -dumpdir.
6789 * toplev.h (dump_dir_name): New.
6791 2010-01-03 Richard Guenther <rguenther@suse.de>
6793 PR tree-optimization/42589
6794 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6795 double-word expansion of bswap32.
6797 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6799 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6800 with BLOCK_FOR_INSN.
6801 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6802 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6803 noce_process_if_block): Likewise.
6804 * gcse.c (compute_local_properties, insert_expr_in_table,
6805 insert_set_in_table, canon_list_insert, find_avail_set,
6806 pre_insert_copy_insn): Likewise.
6808 * basic-block.h (BLOCK_NUM): Move from here...
6809 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6811 2010-01-03 Richard Guenther <rguenther@suse.de>
6813 PR tree-optimization/42438
6814 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6815 contains_may_not_return_call flag.
6816 (BB_MAY_NOTRETURN): New.
6817 (valid_in_sets): Trapping nary operations are not valid
6818 in blocks that may not return.
6819 (insert_into_preds_of_block): Remove check for trapping expressions.
6820 (compute_avail): Compute also BB_MAY_NOTRETURN.
6822 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6824 * doc/invoke.texi: Add 2010 to copyright years.
6826 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6828 * config/sparc/sparc.c: Fix formatting nits.
6830 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6831 Alexander Monakov <amonakov@ispras.ru>
6833 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6835 2010-01-02 Richard Guenther <rguenther@suse.de>
6838 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6839 (simplify_switch_using_ranges): Mark to be removed edges
6842 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6844 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6846 * collect2.c (scan_libraries): Add missing argument in call to
6849 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6852 * config/alpha/predicates.md (aligned_memory_operand): Return false
6854 (unaligned_memory_operand): Return true for CQImode.
6855 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6856 doesn not cross aligned SImode word boundary.
6858 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6860 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6862 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6863 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6865 2010-01-02 Richard Guenther <rguenther@suse.de>
6868 * toplev.c (compile_file): Emit LTO marker properly. Change
6870 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6872 2010-01-01 Richard Guenther <rguenther@suse.de>
6875 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6877 2010-01-01 Richard Guenther <rguenther@suse.de>
6880 * c-decl.c (grokdeclarator): For zero-size arrays force
6881 structural equality checks as layout_type does.
6883 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6885 * builtins.c: Update copyright to 2010.
6887 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6890 * lto-streamer-out.c (produce_asm): Revert the last change.
6891 (copy_function): Likewise.
6893 * lto-streamer.c (lto_get_section_name): Skip any leading
6896 2010-01-01 Richard Guenther <rguenther@suse.de>
6899 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6903 Copyright (C) 2010 Free Software Foundation, Inc.
6905 Copying and distribution of this file, with or without modification,
6906 are permitted in any medium without royalty provided the copyright
6907 notice and this notice are preserved.