1 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3 * dwarf2out.c (output_call_frame_info): For dw_cie_version
4 >= 4 add also address size and segment size fields into CIE
7 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
8 long as address size is the same as sizeof (void *) and
10 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
11 address size or segment size is unexpected, return DW_EH_PE_omit.
12 (classify_object_over_fdes): If get_cie_encoding returned
13 DW_EH_PE_omit, return -1.
14 (init_object): If classify_object_over_fdes returned -1,
15 pretend there were no FDEs at all.
17 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
19 * config/i386/i386.md (bswap<mode>2): Macroize expander from
20 bswap{si,di}2 using SWI48 mode iterator.
21 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
22 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
23 set modrm attribute of bswap insn to 0 and remove length attribute.
24 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
25 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
26 set mode attribute to <MODE> and remove length attribute.
28 2010-04-20 James E. Wilson <wilson@codesourcery.com>
30 PR rtl-optimization/43520
31 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
32 zero available registers.
34 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
36 * builtins.c (fold_builtin_cproj): Fold more cases.
38 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
40 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
41 (fold_builtin_1): Fold builtin cproj.
42 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
43 Use ATTR_CONST_NOTHROW_LIST.
45 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
47 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
48 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
49 ffsi2_no_cmove for !TARGET_CMOVE.
50 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
51 (ffssi2): Remove expander.
52 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
54 (ctz<mode>2): Ditto from ctz{si,di}2.
55 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
57 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
60 2010-04-20 Jakub Jelinek <jakub@redhat.com>
62 * dwarf2out.c (AT_linkage_name): Define.
63 (clone_as_declaration): Handle DW_AT_linkage_name.
64 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
65 of DW_AT_MIPS_linkage_name.
66 (move_linkage_attr): Likewise.
67 (dwarf2out_finish): Likewise.
69 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
72 * fold-const.c (fold_comparison): New folding rule.
74 2010-04-20 Anatoly Sokolov <aesok@post.ru>
76 * double-int.h (double_int_setbit): Declare.
77 * double-int.c (double_int_setbit): New function.
78 * rtl.h (immed_double_int_const): Declare.
79 * emit-rtl.c (immed_double_int_const): New function.
80 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
81 and immed_double_int_const functions.
82 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
83 expand_copysign_bit): (Ditto.).
84 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
85 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
86 * dojump.c (prefer_and_bit_test): (Ditto.).
87 * expr.c (convert_modes, reduce_to_bit_field_precision,
88 const_vector_from_tree): (Ditto.).
89 * expmed.c (mask_rtx, lshift_value): (Ditto.).
91 2010-04-20 Jan Hubicka <jh@suse.cz>
93 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
94 (dump_cgraph_node): Dump new flags.
95 * cgraph.h (struct cgraph_node): Add flags
96 reachable_from_other_partition and in_other_partition.
97 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
98 other partition can not be removed.
99 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
100 the other partition must be output; silence sanity checking on
101 leaking functions bodies from other paritition.
102 * lto-cgraph.c (reachable_from_other_partition_p): New function.
103 (lto_output_node): Output new flags; do not sanity check that inline
104 clones are output; drop lto_forced_extern_inline_p code; do not mock
105 visibility flags at partition boundaries.
106 (add_node_to): New function.
107 (output_cgraph): Use it to sort functions so masters appear before
109 (input_overwrite_node): Input new flags.
110 * passes.c (ipa_write_summaries): Do not call
111 lto_new_extern_inline_states.
112 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
113 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
114 lto_forced_extern_inline_p): Kill.
115 * lto-streamer.h (lto_new_extern_inline_states,
116 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
117 lto_forced_extern_inline_p): Kill.
119 2010-04-20 Richard Guenther <rguenther@suse.de>
121 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
122 from vars that can have pointers.
123 (process_constraint): Dump useless constraints.
125 2010-04-20 Richard Guenther <rguenther@suse.de>
127 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
128 (dump_sa_points_to_info): Remove asserts.
129 (init_base_vars): nothing_id isn't an escape point nor does it
132 2010-04-20 Jakub Jelinek <jakub@redhat.com>
134 * tree.h (TYPE_REF_IS_RVALUE): Define.
135 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
136 should_move_die_to_comdat, prune_unused_types_walk): Handle
137 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
138 (modified_type_die, gen_reference_type_die): Emit
139 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
140 if TYPE_REF_IS_RVALUE and -gdwarf-4.
142 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
145 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
146 calls for -fpic -m31 if they have been sibcall optimized.
148 2010-04-19 James E. Wilson <wilson@codesourcery.com>
150 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
151 ar.lc fixed and call-used.
153 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
155 2010-04-19 Jan Hubicka <jh@suse.cz>
157 * opts.c (decode_options): Disable whpr incompatible passes.
158 * lto/lto.c (lto_1_to_1_map): Skip clones.
159 (read_cgraph_and_symbols): Do not mark everything as needed.
160 (do_whole_program_analysis): Do map only after optimizing;
161 set proper cgraph_state; use passmanager.
163 2010-04-19 DJ Delorie <dj@redhat.com>
165 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
166 POINTER_PLUS_EXPR and fix them.
168 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
170 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
171 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
172 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
173 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
174 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
175 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
176 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
177 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
178 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
179 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
180 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
182 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
184 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
185 (check_cond_move_block): Likewise.
186 (cond_move_process_if_block): Likewise.
187 (noce_find_if_block): Improve formatting.
188 (find_if_header): Pass 0 to memset and tweak conditions.
189 (cond_exec_find_if_block): Fix long lines and tweak conditions.
191 2010-04-19 Jakub Jelinek <jakub@redhat.com>
193 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
197 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
198 with non-local decl doesn't need chain.
200 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
202 * ira-color.c (allocno_reload_assign): Avoid accumulating
203 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
205 2010-04-19 Martin Jambor <mjambor@suse.cz>
207 * gimple.h (create_tmp_reg): Declare.
208 * gimplify.c (create_tmp_reg): New function.
209 (gimplify_return_expr): Use create_tmp_reg.
210 (gimplify_omp_atomic): Likewise.
211 (gimple_regimplify_operands): Likewise.
212 * tree-dfa.c (make_rename_temp): Likewise.
213 * tree-predcom.c (predcom_tmp_var): Likewise.
214 (reassociate_to_the_same_stmt): Likewise.
215 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
216 (get_replaced_param_substitute): Likewise.
217 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
218 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
219 * tree-ssa-pre.c (get_representative_for): Likewise.
220 (create_expression_by_pieces): Likewise.
221 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
222 (create_tailcall_accumulator): Likewise.
224 2010-04-19 Martin Jambor <mjambor@suse.cz>
226 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
228 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
230 2010-04-19 Richard Guenther <rguenther@suse.de>
232 PR tree-optimization/43796
233 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
234 from SCEV in the lattice.
235 (vrp_visit_phi_node): Dump change.
237 2010-04-19 Richard Guenther <rguenther@suse.de>
239 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
240 * configure: Re-generated.
242 2010-04-19 Richard Guenther <rguenther@suse.de>
244 PR tree-optimization/43783
245 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
246 constant ARRAY_REF operands two and three if possible.
248 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
251 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
253 2010-04-19 Jie Zhang <jie@codesourcery.com>
256 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
258 2010-04-19 Ira Rosen <irar@il.ibm.com>
260 PR tree-optimization/37027
261 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
262 and macro to access it.
263 (vectorizable_reduction): Add argument.
264 (vect_get_slp_defs): Likewise.
265 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
266 statements for possible use in SLP.
267 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
268 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
269 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
271 (vectorizable_reduction): Likewise.
272 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
274 (vectorizable_type_demotion, vectorizable_type_promotion,
275 vectorizable_store): Likewise.
276 (vect_analyze_stmt): Update call to vectorizable_reduction.
277 (vect_transform_stmt): Likewise.
278 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
279 (vect_build_slp_tree): Fix indentation. Check that there are no loads
280 from different interleaving chains in same node.
281 (vect_slp_rearrange_stmts): New function.
282 (vect_supported_load_permutation_p): Allow load permutations for
283 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
284 inside SLP nodes if necessary.
285 (vect_analyze_slp_instance): Handle reductions.
286 (vect_analyze_slp): Try to build SLP instances originating from groups
288 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
289 (vect_get_constant_vectors): Create initial vectors for reductions
290 according to reduction code. Add new argument.
291 (vect_get_slp_defs): Add new argument, pass it to
292 vect_get_constant_vectors.
293 (vect_schedule_slp_instance): Remove SLP tree root statements.
295 2010-04-19 Jakub Jelinek <jakub@redhat.com>
297 * tree.h (ENUM_IS_SCOPED): Define.
298 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
299 for ENUM_IS_SCOPED enums.
301 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
303 * fold-const.c (fold_comparison): Use ssizetype.
304 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
305 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
306 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
307 * tree-object-size.c (compute_object_sizes): Use size_type_node.
309 * tree.h (initialize_sizetypes): Remove parameter.
310 (build_common_tree_nodes): Remove second parameter.
311 * stor-layout.c (initialize_sizetypes): Remove parameter.
312 Always create an unsigned type.
313 (set_sizetype): Assert that the passed type is unsigned and simplify.
314 * tree.c (build_common_tree_nodes): Remove second parameter.
315 Adjust call to initialize_sizetypes.
316 * c-decl.c (c_init_decl_processing): Remove second argument in call to
317 build_common_tree_nodes.
319 2010-04-18 Matthias Klose <doko@ubuntu.com>
321 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
323 2010-04-18 Ira Rosen <irar@il.ibm.com>
325 PR tree-optimization/43771
326 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
327 load permutation doesn't have gaps.
329 2010-04-18 Jan Hubicka <jh@suse.cz>
331 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
332 (sse_prologue_save_insn expander): Use new pattern.
333 (sse_prologue_save_insn1): New pattern and splitter.
334 (sse_prologue_save_insn): Update to deal also with 64bit aligned
336 * i386.c (setup_incoming_varargs_64): Do not compute jump
338 (ix86_gimplify_va_arg): Update alignment needed.
339 (ix86_local_alignment): Do not align all local arrays to 128bit.
341 2010-04-17 Jan Hubicka <jh@suse.cz>
343 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
345 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
347 * arm.md (negdi2): Remove redundant code to force values into a
350 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
352 * arm/bpabi.S: Add EABI alignment attributes to objects.
353 * arm/bpabi-v6m.S: Likewise.
354 * arm/crti.asm: Likewise.
355 * arm/crtn.asm: Likewise.
356 * arm/lib1funcs.asm: Likewise.
357 * arm/libunwind.S: Likewise.
359 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
361 * arm-protos.h (tune_params): New structure.
362 * arm.c (current_tune): New variable.
363 (arm_constant_limit): Delete.
364 (struct processors): Add pointer to the tune parameters.
365 (arm_slowmul_tune): New tuning option.
366 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
367 (all_cores): Adjust to pick up the tuning model.
368 (arm_constant_limit): New function.
369 (arm_override_options): Select the appropriate tuning model. Delete
370 initialization of arm_const_limit.
371 (arm_split_constant): Use the new constant-limit model.
372 (arm_rtx_costs): Pick up the current tuning model.
373 * arm.md (is_strongarm, is_xscale): Delete.
374 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
375 for Xscale variant architectures.
376 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
378 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
380 * config/arm/arm.c (arm_gen_constant): Remove unused variable
382 (arm_rtx_costs_1): Remove unused variable extra_cost.
383 (arm_unwind_emit_set): Use variable offset.
384 (thumb1_output_casesi): Remove unused variable flags.
386 2010-04-16 Jeff Law <law@redhat.com>
388 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
389 needing assignment rather than doing a two-phase assignment. Remove
392 2010-04-16 Jakub Jelinek <jakub@redhat.com>
395 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
397 2010-04-16 Doug Kwan <dougkwan@google.com>
399 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
400 (next_operand_entry_id): New static variable.
401 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
402 (add_to_ops_vec): Assigned unique ID to operand entry.
403 (struct oecount_s): New field ID.
404 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
405 (undistribute_ops_list): Assign unique IDs to oecounts.
406 (init_reassoc): reset next_operand_entry_id.
408 2010-04-16 Doug Kwan <dougkwan@google.com>
410 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
411 missing left parenthesis.
413 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
415 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
416 *btdi_rex64 using SWI48 mode iterator.
417 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
418 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
419 *jcc_btdi_mask_rex64.
421 2010-04-16 Anatoly Sokolov <aesok@post.ru>
423 * double-int.h (tree_to_double_int): Convert to macro.
424 * double-int.c (tree_to_double_int): Remove.
426 2010-04-16 Jakub Jelinek <jakub@redhat.com>
429 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
430 with want_address 2 and in case a single element list might be
431 possible, call it again with want_address 0.
433 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
435 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
436 case 'W' print operands for HI mode.
437 * config/h8300/h8300.h (Y0, Y2) : New constraints.
438 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
439 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
440 * config/h8300/predicate.md (bit_register_indirect_operand): New.
442 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
444 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
445 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
446 #xx:3 and #xx:4 mode.
448 * config/h8300/h8300.md (inverted load with HImode dest): Add
451 * config/h8300/predicate.md (bit_operand): Allow immediate values that
452 satisfy 'U' constraint.
454 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
456 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
457 * configure: Regenerate.
458 * config.in: Regenerate.
459 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
462 2010-04-16 Richard Guenther <rguenther@suse.de>
464 * tree.h (struct tree_decl_minimal): Move pt_uid ...
465 (struct tree_decl_common): ... here.
466 (DECL_PT_UID): Adjust.
467 (SET_DECL_PT_UID): Likewise.
468 (DECL_PT_UID_SET_P): Likewise.
470 2010-04-16 Richard Guenther <rguenther@suse.de>
472 PR tree-optimization/43572
473 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
474 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
475 * tree-flow.h (is_call_clobbered): Remove.
476 * tree-flow-inline.h (is_call_clobbered): Likewise.
477 * tree-dfa.c (dump_variable): Do not dump call clobber state.
478 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
479 (execute_return_slot_opt): Adjust.
480 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
481 check for call clobbered vars here.
482 (find_tail_calls): Move tailcall verification to the
485 2010-04-16 Diego Novillo <dnovillo@google.com>
487 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
489 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
492 * config/arm/arm.md (cbranchqi4): New pattern.
493 * config/arm/predicates.md (const0_operand,
494 cbranchqi4_comparison_operator): New predicates.
496 2010-04-16 Richard Guenther <rguenther@suse.de>
498 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
499 (dump_gimple_stmt): Likewise.
501 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
503 * recog.h (struct recog_data): New field is_operator.
504 (struct insn_operand_data): New field is_operator.
505 * recog.c (extract_insn): Set recog_data.is_operator.
506 * genoutput.c (output_operand_data): Emit code to set the
508 * reload.c (find_reloads): Use it rather than testing for an
509 empty constraint string.
512 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
513 If the previous insn is a cbranchsi4_insn with the same arguments,
514 omit the compare instruction.
516 * config/arm/arm.md (addsi3_cbranch): If destination is a high
517 register, inputs must be low registers and we need a low register
518 scratch. Handle alternative 2 like alternative 3.
520 2010-04-16 Jakub Jelinek <jakub@redhat.com>
522 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
523 don't call get_addr on both. If one expression is a VALUE and
524 the other a REG, check VALUE's locs if the REG isn't among them.
526 2010-04-16 Christian Bruel <christian.bruel@st.com>
528 * config/sh/sh.h (sh_frame_pointer_required): New function.
529 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
530 (flag_omit_frame_pointer) Set.
531 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
532 (rounded_frame_size): Adjust size with outgoing_args_size.
533 (sh_set_return_address): Must return from stack pointer.
534 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
535 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
536 (ACCUMULATE_OUTGOING_ARGS): Define.
537 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
538 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
540 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
543 * config/sh/sh.c (sh_legitimize_reload_address): Use
544 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
545 Remove a unneeded check for offset_base.
547 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
549 * configure: Regenerated.
551 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
553 * config/s390/s390.c (s390_call_save_register_used): Switch back
556 2010-04-15 Richard Guenther <rguenther@suse.de>
558 * alias.c (alias_set_subset_of): Handle alias-set zero
561 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
562 Julian Brown <julian@codesourcery.com>
564 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
565 alternatives according to use of high and low regs.
566 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
567 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
568 optimizing for size on Thumb-2.
570 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
572 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
574 2010-04-15 Richard Guenther <rguenther@suse.de>
576 * tree-ssa-structalias.c (struct variable_info): Add
578 (new_var_info): Initialize it.
579 (dump_constraints): Support printing last added constraints.
580 (debug_constraints): Adjust.
581 (dump_constraint_graph): Likewise.
582 (make_heapvar_for): Check for NULL cfun.
583 (get_function_part_constraint): New function.
584 (get_fi_for_callee): Likewise.
585 (find_func_aliases): Properly implement IPA PTA constraints.
586 (process_ipa_clobber): New function.
587 (find_func_clobbers): Likewise.
588 (insert_into_field_list_sorted): Remove.
589 (create_function_info_for): Properly allocate vars for IPA mode.
590 Do not use insert_into_field_list_sorted.
591 (create_variable_info_for): Properly generate constraints for
592 global vars in IPA mode.
593 (dump_solution_for_var): Always dump the solution.
594 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
595 (find_what_var_points_to): Adjust.
596 (pt_solution_set): Change.
597 (pt_solution_ior_into): New function.
598 (pt_solution_empty_p): Export.
599 (pt_solution_includes_global): Adjust.
600 (pt_solution_includes_1): Likewise.
601 (pt_solutions_intersect_1): Likewise.
602 (dump_sa_points_to_info): Check some invariants.
603 (solve_constraints): Move constraint dumping ...
604 (compute_points_to_sets): ... here.
605 (ipa_pta_execute): ... and here.
606 (compute_may_aliases): Do not re-compute points-to info
607 locally if IPA info is available.
608 (ipa_escaped_pt): New global var.
609 (ipa_pta_execute): Properly implement IPA PTA.
610 * tree-into-ssa.c (dump_decl_set): Support dumping
611 decls not in referenced-vars.
612 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
613 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
614 (dump_points_to_solution): Likewise.
615 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
616 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
617 (remap_gimple_stmt): Reset call clobber/use information if necessary.
618 (copy_decl_to_var): Copy DECL_PT_UID.
619 (copy_result_decl_to_var): Likewise.
620 * tree.c (make_node_stat): Initialize DECL_PT_UID.
621 (copy_node_stat): Copy it.
622 * tree.h (DECL_PT_UID): New macro.
623 (SET_DECL_PT_UID): Likewise.
624 (DECL_PT_UID_SET_P): Likewise.
625 (struct tree_decl_minimal): Add pt_uid member.
626 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
627 (pt_solution_empty_p): Declare.
628 (pt_solution_set): Adjust.
629 (ipa_escaped_pt): Declare.
630 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
631 * gimple-pretty-print.c (pp_points_to_solution): New function.
632 (dump_gimple_call): Dump call clobber/use information.
633 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
634 * tree-pass.h (TDF_ALIAS): New dump option.
635 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
636 * doc/invoke.texi (-fipa-pta): Update documentation.
638 2010-04-15 Richard Guenther <rguenther@suse.de>
640 * Makefile.in (OBJS-common): Add gimple-fold.o.
641 (gimple-fold.o): New rule.
642 * tree.h (maybe_fold_offset_to_reference,
643 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
645 * gimple.h: ... here.
646 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
647 may_propagate_address_into_dereference): Move prototypes ...
648 * gimple.h: ... here.
649 * tree-ssa-ccp.c (get_symbol_constant_value,
650 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
651 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
652 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
653 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
654 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
655 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
656 gimplify_and_update_call_from_tree): Move ...
657 * gimple-fold.c: ... here. New file.
658 (ccp_fold_builtin): Rename to ...
659 (gimple_fold_builtin): ... this.
660 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
662 2010-04-15 Richard Guenther <rguenther@suse.de>
664 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
665 fit_double_type, force_fit_type_double, add_double_with_sign,
666 neg_double, mul_double_with_sign, lshift_double, rshift_double,
667 lrotate_double, rrotate_double, div_and_round_double): Move ...
668 * double-int.c: ... here.
669 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
670 add_double, neg_double, mul_double_with_sign, mul_double,
671 lshift_double, rshift_double, lrotate_double, rrotate_double,
672 div_and_round_double): Move prototypes ...
673 * double-int.h: ... here.
675 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
678 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
679 matching constraints to ensure inputs match the output.
681 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
684 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
685 in an input-only operand.
687 2010-04-15 Anatoly Sokolov <aesok@post.ru>
689 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
690 (double_int_not, double_int_lshift, double_int_rshift): Declare.
691 (double_int_negative_p): Convert to static inline function.
692 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
693 (double_int_negative_p): Remove.
694 * tree.h (lshift_double, rshift_double):
695 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
696 * fold-const.c (fold_convert_const_int_from_real,
697 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
698 (lshift_double): Change type of arith argument to bool.
699 (rshift_double): Change type of arith argument to bool. Correct
701 * expmed.c (mask_rtx, lshift_value): (Ditto.).
703 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
706 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
707 at the start and end of the then/else blocks, and omit them from the
709 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
710 argument; all callers changed. Pass zero to old_insns_match_p instead.
711 (flow_find_head_matching_sequence): New function.
712 (old_insns_match_p): Check REG_EH_REGION notes for calls.
713 * basic-block.h (flow_find_cross_jump,
714 flow_find_head_matching_sequence): Declare functions.
716 2010-04-14 Jason Merrill <jason@redhat.com>
719 * c-common.c (attribute_takes_identifier_p): New fn.
720 * c-common.h: Declare it.
722 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
724 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
726 (*udivmod<mode>4): Ditto.
728 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
730 * config/i386/i386.md (maxmin_int): Rename code attribute from
731 maxminiprefix and update all users.
732 (maxmin_float): Ditto from maxminfprefix.
733 (logic): Ditto from logicprefix.
734 (absneg_mnemonic): Ditto from absnegprefix.
735 * config/i386/mmx.md: Update all users of maxminiprefix,
736 maxminfprefix and logicprefix for rename.
737 * config/i386/sse.md: Ditto.
738 * config/i386/sync.md (sync_<code><mode>): Update for
741 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
744 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
745 warnings converted to errors.
747 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
749 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
750 used insn_type variable.
751 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
752 to avoid set-but-not-used warning.
754 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
756 * df-core.c (df_ref_debug): Change format string placeholder
758 * dwarf2asm.c (dw2_asm_output_data_raw,
759 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
760 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
761 * dwarf2out.c (output_cfi, output_cfi_directive,
762 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
763 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
765 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
766 * print-rtl.c (print_rtx): Ditto.
768 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
771 * builtins.c (expand_builtin_pow_root): New function to expand pow
772 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
773 series of sqrt and cbrt calls under -ffast-math.
774 (expand_builtin_pow): Call it.
776 2010-04-14 Michael Matz <matz@suse.de>
778 PR tree-optimization/42963
779 * tree-cfg.c (touched_switch_bbs): New static variable.
780 (group_case_labels_stmt): New function broken out from ...
781 (group_case_labels): ... here, use the above.
782 (start_recording_case_labels): Allocate touched_switch_bbs.
783 (end_recording_case_labels): Deallocate it, call
784 group_case_labels_stmt.
785 (gimple_redirect_edge_and_branch): Remember index of affected BB.
787 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
789 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
792 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
794 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
796 2010-04-13 Jan Hubicka <jh@suse.cz>
798 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
799 of optimized out static functions.
800 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
801 cost computation. Also sanity check for overflows.
802 (update_caller_keys): Update cgraph_edge_badness call; properly
803 update fibheap and sanity check that it is up to date.
804 (add_new_edges_to_heap): Update cgraph_edge_badness.
805 (cgraph_decide_inlining_of_small_function): Likewise;
806 add sanity checking that badness in heap is up to date;
807 improve dumping of reason; Update badness of calls to the
808 offline copy of function currently inlined; dump badness
809 of functions not inlined because of unit growth limits.
811 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
814 * c-common.c (pointer_int_sum): Disregard overflow that occured only
815 because of sign-extension change when converting to sizetype here...
816 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
818 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
819 the folding to constants. Remove redundant final conversion.
820 (fold_binary) <associate>: Do not associate if the re-association of
821 constants alone overflows.
822 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
823 to the end of the list.
824 (multiple_of_p) <COND_EXPR>: New case.
826 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
828 * opt-functions.awk (opt_sanitized_name): New.
830 * optc-gen.awk: Use it
831 * opth-gen.awk: Use it.
833 2010-04-13 Martin Jambor <mjambor@suse.cz>
835 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
836 (sra_modify_assign): Delete stmts loading dead data even if racc has no
837 children. Call replace_uses_with_default_def_ssa_name to handle
840 2010-04-13 Michael Matz <matz@suse.de>
843 * builtins.c (expand_builtin_interclass_mathfn): Also create
844 a register if the predicate doesn't match.
846 2010-04-13 Diego Novillo <dnovillo@google.com>
848 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
849 * c-pch.c: Include timevar.h.
850 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
851 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
852 * ggc-common.c: Include timevar.h.
853 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
854 * timevar.def (TV_PCH_SAVE): Define.
855 (TV_PCH_CPP_SAVE): Define.
856 (TV_PCH_PTR_REALLOC): Define.
857 (TV_PCH_PTR_SORT): Define.
858 (TV_PCH_RESTORE): Define.
859 (TV_PCH_CPP_RESTORE): Define.
861 2010-04-13 Michael Matz <matz@suse.de>
863 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
865 (can_reassociate_p): New function.
866 (break_up_subtract_bb, reassociate_bb): Use it.
868 2010-04-13 Richard Guenther <rguenther@suse.de>
871 * builtins.c (c_readstr): Fix assert.
873 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
875 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
876 when generating cltd insn.
878 (*ashl<mode>3_1): Remove special handling for register operand 2.
879 (*ashlsi3_1_zext): Ditto.
881 (*ashlhi3_1_lea): Ditto.
883 (*ashlqi3_1_lea): Ditto.
884 (*<shiftrt_insn><mode>3_1): Ditto.
885 (*<shiftrt_insn>si3_1_zext): Ditto.
886 (*<shiftrt_insn>qi3_1_slp): Ditto.
887 (*<rotate_insn><mode>3_1): Ditto.
888 (*<rotate_insn>si3_1_zext): Ditto.
889 (*<rotate_insn>qi3_1_slp): Ditto.
891 2010-04-13 Richard Guenther <rguenther@suse.de>
893 * tree-ssa-structalias.c (callused_id): Remove.
894 (call_stmt_vars): New.
895 (get_call_vi): Likewise.
896 (lookup_call_use_vi): Likewise.
897 (lookup_call_clobber_vi): Likewise.
898 (get_call_use_vi): Likewise.
899 (get_call_clobber_vi): Likewise.
900 (make_transitive_closure_constraints): Likewise.
901 (handle_const_call): Adjust to do per-call call-used handling.
902 (handle_pure_call): Likewise.
903 (find_what_var_points_to): Remove general callused handling.
904 (init_base_vars): Likewise.
905 (init_alias_vars): Initialize call_stmt_vars.
906 (compute_points_to_sets): Process call-used and call-clobbered
907 vars for call statements.
908 (delete_points_to_sets): Free call_stmt_vars.
910 2010-04-13 Richard Guenther <rguenther@suse.de>
912 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
913 Only add RW dependence for dependence distance zero.
914 Adjust maximal vectorization factor according to dependences.
915 Move alignment handling ...
916 (vect_find_same_alignment_drs): ... here. New function.
917 (vect_analyze_data_ref_dependences): Adjust.
918 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
919 (vect_analyze_data_refs): Adjust minimal vectorization factor
920 according to data references.
921 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
922 dependences before determining the vectorization factor.
923 Analyze alignment after determining the vectorization factor.
924 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
925 dependences before alignment.
926 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
928 (vect_analyze_data_refs): Likewise.
929 (MAX_VECTORIZATION_FACTOR): New define.
931 2010-04-13 Duncan Sands <baldrick@free.fr>
933 * except.h (lang_eh_type_covers): Remove.
934 * except.c (lang_eh_type_covers): Likewise.
936 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
937 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
939 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
940 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
941 UNITS_PER_LONG where it is ABI relevant.
942 (s390_return_addr_rtx): Likewise.
943 (s390_back_chain_rtx): Likewise.
944 (s390_frame_area): Likewise.
945 (s390_frame_info): Likewise.
946 (s390_initial_elimination_offset): Likewise.
947 (save_gprs): Likewise.
948 (s390_emit_prologue): Likewise.
949 (s390_emit_epilogue): Likewise.
950 (s390_function_arg_advance): Likewise.
951 (s390_function_arg): Likewise.
952 (s390_va_start): Likewise.
953 (s390_gimplify_va_arg): Likewise.
954 (s390_function_profiler): Likewise.
955 (s390_optimize_prologue): Likewise.
956 (s390_rtx_costs): Likewise.
957 (s390_secondary_reload): Likewise.
958 (s390_promote_function_mode): Likewise.
959 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
960 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
962 (s390_unwind_word_mode): New function.
963 (s390_function_value): Split 64 bit values into register pair if
964 used as return value.
965 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
966 function call parameters. Handle parallels.
967 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
968 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
969 (DWARF_CIE_DATA_ALIGNMENT): New macro.
970 (s390_expand_setmem): Remove unused variable src_addr.
971 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
972 deal with 64 bit registers.
973 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
974 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
975 (UNITS_PER_LONG): New macro.
976 * libjava/include/s390-signal.h: Define extended ucontext
977 structure containing the upper halfs of the 64 bit registers.
979 2010-04-13 Simon Baldwin <simonb@google.com>
981 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
983 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
985 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
986 rvalue on the RHS if the LHS is of a non-renamable type.
987 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
989 2010-04-13 Matthias Klose <doko@ubuntu.com>
991 * gcc.c (cc1_options): Handle -iplugindir before processing
992 the cc1 spec. Only add -iplugindir once.
993 (cpp_unique_options): Add -iplugindir option if -fplugin* options
995 * common.opt (iplugindir): Remove `Separate' property, initialize.
996 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
998 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
999 (distclean): Remove plugin dir.
1000 * doc/invoke.texi: Document -iplugindir.
1002 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1004 * doc/plugins.texi (Loading Plugins): Document short
1005 -fplugin=foo option.
1006 (Plugin API): Mention default_plugin_dir_name function.
1008 * gcc.c (find_file_spec_function): Add new declaration.
1009 (static_spec_func): Use it for "find-file".
1010 (find_file_spec_function): Add new function.
1011 (cc1_options): Add -iplugindir option if -fplugin* options found.
1013 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1015 * plugin.c (add_new_plugin): Updated comment, and handle short
1017 (default_plugin_dir_name): Added new function.
1019 * common.opt (iplugindir): New option to set the plugin directory.
1021 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1023 * config/i386/i386.md (any_rotate): New code iterator.
1024 (rotate_insn): New code attribute.
1026 (SWIM124): New mode iterator.
1027 (<rotate_insn>ti3): New expander.
1028 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1029 any_rotate code iterator.
1030 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1031 using any_rotate code iterator and SWIM124 mode iterator.
1032 (ix86_rotlti3): New insn_and_split pattern.
1033 (ix86_rotrti3): Ditto.
1034 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1035 ix86_rotl{di,ti}3 patterns.
1036 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1037 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1038 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1039 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1040 code iterator and SWI mode iterator.
1041 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1042 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1044 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1045 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1046 (bswap rotatert splitter): Add splitter.
1047 (bswap splitter): Macroize splitter using any_rotate code iterator.
1048 Add insn predicate to split only for TARGET_USE_XCHGB or when
1049 optimizing function for size.
1051 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1053 * config/pa/pa.c (emit_move_sequence): Remove use of
1054 deleted variable flag_argument_noalias.
1056 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1058 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1060 Add to unsupported targets list.
1061 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1062 sparc*-sun-solaris2.[567]* from target lists.
1063 * configure: Regenerate.
1064 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1066 Remove Solaris 7 patch references.
1067 (Specific, sparc-sun-solaris2.7): Removed.
1068 (sparc-sun-solaris2*): Update Solaris 7 example.
1069 (sparc64-*-solaris2*): Likewise.
1071 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1073 * config.build (alpha*-dec-osf4*): Remove.
1074 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1075 of obsolete configurations.
1076 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1078 * config/alpha/t-osf4: Renamed to ...
1079 * config/alpha/t-osf5: ... this.
1080 * config/alpha/osf.h: Renamed to ...
1081 * config/alpha/osf5.h: ... this.
1082 Merged old osf5.h contents.
1084 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1085 (EXTRA_SPECS): Removed.
1086 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1087 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1090 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1092 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1094 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1097 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1098 __thiscall convention.
1100 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1102 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1104 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1106 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1108 * function.c (assign_parms_initialize_all): Add unused attribute
1111 2010-04-12 Richard Guenther <rguenther@suse.de>
1113 * gsstruct.def (GSS_CALL): New.
1114 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1115 * gimple.h: Include tree-ssa-alias.h.
1116 (struct gimple_statement_call): New.
1117 (union gimple_statement_struct_d): Add gimple_call member.
1118 (gimple_call_reset_alias_info): Declare.
1119 (gimple_call_use_set): New function.
1120 (gimple_call_clobber_set): Likewise.
1121 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1122 * gimple.c (gimple_call_reset_alias_info): New function.
1123 (gimple_build_call_1): Call it.
1124 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1125 * tree-inline.c (remap_gimple_stmt): Likewise.
1126 (expand_call_inline): Remove callused handling.
1127 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1128 * tree-dfa.c (dump_variable): Likewise.
1129 * tree-parloops.c (parallelize_loops): Likewise.
1130 * tree-ssa.c (init_tree_ssa): Likewise.
1131 (delete_tree_ssa): Likewise.
1132 * tree-flow-inline.h (is_call_used): Remove.
1133 * tree-flow.h (struct gimple_df): Remove callused member.
1134 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1135 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1136 (ref_maybe_used_by_call_p_1): Simplify.
1137 (call_may_clobber_ref_p_1): Likewise.
1138 * tree-ssa-structalias.c (compute_points_to_sets): Set
1139 the call stmt used and clobbered sets.
1140 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1141 (find_tail_calls): Verify the tail call.
1143 2010-04-12 Richard Guenther <rguenther@suse.de>
1145 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1146 single-iteration always-inline inlining.
1147 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1148 (cgraph_decide_inlining): Do not handle always-inline specially.
1149 (try_inline): Remove always-inline cycle detection special case.
1150 Do not recurse on always-inlines.
1151 (cgraph_early_inlining): Do not iterate if not optimizing.
1152 (cgraph_gate_early_inlining): remove.
1153 (pass_early_inline): Run unconditionally.
1154 (gate_cgraph_decide_inlining): New function.
1155 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1156 not inlining or optimizing.
1157 (cgraph_decide_inlining_of_small_functions): Also consider
1158 always-inline functions.
1159 (cgraph_default_inline_p): Return true for nodes which should
1160 disregard inline limits.
1161 (estimate_function_body_sizes): Assume zero size and time for
1162 nodes which are marked as disregarding inline limits.
1163 (cgraph_decide_recursive_inlining): Do not perform recursive
1164 inlining on always-inline nodes.
1166 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1169 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1170 for exprs satisfying handled_component_p.
1172 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1174 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1175 non-constant aggregate elements.
1177 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1178 is a real initialization.
1180 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1183 * c-decl.c (start_function): Move forward check for nested function.
1185 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1187 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1188 * config/sh/sh.c: Include reload.h.
1189 (sh_legitimize_reload_address): New.
1190 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1191 sh_legitimize_reload_address.
1193 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1195 * config/sh/sh.md (*movqi_pop): New insn pattern.
1196 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1198 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1200 * config/i386/i386.md (any_shiftrt): New code iterator.
1201 (shiftrt_insn): New code attribute.
1203 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1204 using any_shiftrt code iterator.
1205 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1206 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1207 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1208 pattern from corresponding peephole2 patterns.
1209 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1210 using any_shiftrt code iterator.
1211 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1212 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1213 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1214 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1215 *{ashr,lshr}<mode>3_cmp_zext.
1216 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1218 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1220 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1222 (*lshr<mode>3_cconly): Ditto.
1224 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1226 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1227 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1228 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1229 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1231 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1232 from corresponding peephole2 patterns.
1233 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1234 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1235 and *lshrdi3_1_rex64 using SWI mode iterator.
1236 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1237 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1238 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1239 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1240 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1241 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1242 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1243 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1244 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1247 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1249 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1250 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1251 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1252 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1254 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1255 from corresponding peephole2 patterns.
1256 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1257 (ashrsi3_cvt): Rename from ashrsi3_31.
1258 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1259 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1260 and x86_64_shift_adj_3 using SWI48 mode iterator.
1261 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1262 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1263 and *ashrdi3_1_rex64 using SWI mode iterator.
1264 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1265 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1266 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1267 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1268 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1269 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1270 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1271 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1272 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1274 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1275 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1276 x86_shift<mode>_adj_3 expanders.
1278 2010-04-10 Wei Guozhi <carrot@google.com>
1281 * config/arm/arm.c (arm_pic_static_addr): New function.
1282 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1284 (arm_output_addr_const_extra): Output expression for new pattern.
1285 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1287 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1289 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1292 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1293 * web.c: Include "insn-config.h" and "recog.h".
1294 (union_match_dups): New function.
1295 (web_main): Call it.
1296 (union_defs): Don't try to recognize match_dups.
1298 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1299 if doing so would replace the entire pattern.
1301 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1305 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1306 and splitter pattern. Change splitter operand 1 predicate to
1309 2010-04-09 Martin Jambor <mjambor@suse.cz>
1311 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1312 lattices are addresses of CONST_DECLs with the same initial value.
1313 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1314 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1316 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1317 Bernd Schmidt <bernds@codesourcery.com>
1319 * loop-invariant.c (replace_uses): New static function.
1320 (move_invariant_reg): Use it to ensure we can replace the uses.
1322 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1324 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1326 (picochip_override_options): Enable section anchors only above -O1.
1327 (picochip_reorg): Fixed a couple of build warnings.
1329 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1331 * configure.ac (plugin -rdynamic test): Log result.
1332 * configure: Regenerate.
1333 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1334 (RDYNAMIC_SPEC): Define.
1335 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1337 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1339 * configure.ac: Determine Sun ld version numbers.
1340 (comdat_group): Restrict GNU ld version checks to gld.
1341 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1342 (enable_comdat): Support --enable-comdat.
1343 * configure: Regenerate.
1344 * doc/install.texi (Configuration): Document --enable-comdat.
1346 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1348 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1349 * config/sol2-gld.h: ... here.
1350 * config.gcc (sparc*-*-solaris2*): Reflect this.
1351 (i[34567]86-*-solaris2*): Use it.
1353 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1355 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1357 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1359 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1362 * diagnostic.c (diagnostic_initialize): Initialize
1363 some_warnings_are_errors.
1364 (diagnostic_finish): New.
1365 (diagnostic_action_after_output): Call it before exiting.
1366 (diagnostic_report_diagnostic): Do not print message here. Set
1367 some_warnings_are_errors.
1368 * diagnostic.h (diagnostic_context): Delete
1369 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1370 (diagnostic_finish): Declare.
1371 * toplev.c (toplev_main): Call it before exit.
1373 2010-04-09 Jason Merrill <jason@redhat.com>
1376 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1377 for incomplete type.
1380 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1381 based on a warning flag.
1383 2010-04-09 Richard Guenther <rguenther@suse.de>
1385 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1387 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1390 * varasm.c (default_assemble_visibility): Wrap vars that are
1391 set, but unused, by targets without GAS.
1392 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1393 Remove set, but unused, vars.
1394 (rs6000_legitimize_tls_address): Likewise.
1395 (altivec_expand_dst_builtin): Likewise.
1396 * config/darwin.c (machopic_classify_symbol): Likewise.
1397 (machopic_indirection_name): Likewise.
1399 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1401 * config/i386/i386.md (DWI): New mode iterator.
1402 (S): New mode attribute.
1403 (shift_operand): Ditto.
1404 (shift_immediate_operand): Ditto.
1405 (ashl_input_operand): Ditto.
1406 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1407 using SDWIM mode iterator.
1408 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1409 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1411 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1412 from corresponding peephole2 patterns.
1413 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1414 and x86_64_shift_adj_1 using SWI48 mode iterator.
1415 (x86_shift<mode>_adj_2): Ditto.
1416 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1417 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1418 using SWI48 mode iterator.
1419 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1420 *ashldi3_cmp_rex64 using SWI mode iterator.
1421 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1422 *ashldi3_cconly_rex64 using SWI mode iterator.
1423 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1424 x86_shift<mode>_adj_{1,2}.
1425 (ix86_split_ashr): Ditto.
1426 (ix86_split_lshr): Ditto.
1428 2010-04-09 Richard Guenther <rguenther@suse.de>
1430 * target.h (builtin_conversion): Pass in input and output types.
1431 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1432 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1433 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1434 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1436 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1438 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1440 2010-04-09 Richard Guenther <rguenther@suse.de>
1443 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1445 2010-04-09 Richard Guenther <rguenther@suse.de>
1447 * tree-vectorizer.h (struct _stmt_vec_info): Document
1448 that vectype is the type of the LHS.
1449 (supportable_widening_operation, supportable_narrowing_operation):
1450 Get both input and output vector types as arguments.
1451 (vect_is_simple_use_1): Declare.
1452 (get_same_sized_vectype): Likewise.
1453 * tree-vect-loop.c (vect_determine_vectorization_factor):
1454 Set STMT_VINFO_VECTYPE to the vector type of the def.
1455 (vectorizable_reduction): Adjust.
1456 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1457 Adjust. Specify the output vector type.
1458 (vect_pattern_recog_1): Adjust.
1459 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1460 (vectorizable_call): Adjust.
1461 (vectorizable_conversion): Likewise.
1462 (vectorizable_operation): Likewise.
1463 (vectorizable_type_demotion): Likewise.
1464 (vectorizable_type_promotion): Likewise.
1465 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1467 (vect_is_simple_use_1): New function.
1468 (supportable_widening_operation): Get both input and output
1470 (supportable_narrowing_operation): Likewise.
1471 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1473 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1475 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1476 __thiscall and _thiscall as predefined macros.
1477 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1478 thiscall attribute handling.
1479 (ix86_comp_type_attributes): Likewise.
1480 (ix86_function_regparm): Likewise.
1481 (ix86_return_pops_args): Likewise.
1482 (init_cumulative_args): Likewise.
1483 (find_drap_reg): Likewise.
1484 (ix86_static_chain): Likewise.
1485 (x86_this_parameter): Likewise.
1486 (x86_output_mi_thunk): Likewise.
1487 (ix86_attribute_table): Add description for thiscall attribute.
1488 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1489 * doc/extend.texi: Add documentation for thiscall.
1491 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1494 * c.opt (Wint-to-pointer-cast): Available in C++.
1495 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1497 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1499 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1500 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1501 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1502 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1503 function type instead. Reorder and simplify checks.
1505 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1507 2010-04-08 Jing Yu <jingyu@google.com>
1508 Zdenek Dvorak <ook@ucw.cz>
1510 PR tree-optimization/42720
1511 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1512 loop unswitch conditions here from ...
1513 (tree_unswitch_single_loop): ... here.
1515 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1517 * tree-if-conv.c: Fix comments and simplify logic.
1519 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1521 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1522 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1523 (main_tree_if_conversion): Update call to tree_if_conversion.
1525 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1528 * doc/invoke.texi (-b,-V): Delete.
1529 * doc/tm.texi: Do not mention -b.
1530 * gcc.c (display_help): Delete -b and -V.
1531 (process_command): Delete -b and -V.
1532 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1534 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1535 Wolfgang Gellerich <gellerich@de.ibm.com>
1537 Implement target hook for loop unrolling
1538 * target.h (loop_unroll_adjust): Add a new target hook function.
1539 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1540 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1541 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1542 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1543 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1545 (decide_unroll_stupid): Likewise.
1547 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1550 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1552 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1554 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1555 (Specific, *-*-solaris2*): Likewise.
1556 Don't prefer Sun as over GNU as.
1558 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1560 * config/s390/s390.c (override_options): Adjust the z10
1561 defaults for max-unroll-times, max-completely-peeled-insns
1562 and max-completely-peel-times.
1564 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1566 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1567 instructions for z10.
1568 (s390_expand_setmem): Likewise.
1569 (s390_expand_cmpmem): Likewise.
1571 2010-04-08 Richard Guenther <rguenther@suse.de>
1573 PR tree-optimization/43679
1574 * tree-ssa-pre.c (eliminate): Only propagate copies.
1576 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1579 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1580 set but not used variable warning.
1582 2010-04-08 Wei Guozhi <carrot@google.com>
1585 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1586 (arm_size_rtx_costs): Call the new function when optimized for size.
1588 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1591 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1592 op0 is not a MEM, just return NULL instead of assertion
1594 (discover_nonconstant_array_refs): Don't walk debug stmts.
1596 2010-04-08 Doug Kwan <dougkwan@google.com>
1598 * configure.ac: Recognize gold and do not use its version number
1599 to test ld features.
1600 * configure: Regenerate.
1602 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1605 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1606 (negate_value): Move code to push elements to broken_up_substracts ...
1607 (eliminate_plus_minus_pair): ... here. Push operands that have no
1608 negative pair to plus_negates.
1609 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1611 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1613 * doc/install.texi (Configuration): Move description of
1614 --enable-lto, --with-libelf*, --enable-gold from Java section to
1617 * doc/generic.texi (Working with declarations)
1618 (Function Properties, C and C++ Trees): Fix typos.
1619 * doc/sourcebuild.texi (Top Level): Likewise.
1621 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1624 * tree.h (DECL_READ_P): Define.
1625 (struct tree_decl_common): Add decl_read_flag.
1626 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1627 a set but not used warning.
1628 (merge_decls): Merge DECL_READ_P flag.
1629 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1630 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1631 * c-common.c (handle_used_attribute, handle_unused_attribute):
1633 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1635 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1637 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1638 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1639 c_parser_binary_expression, c_parser_cast_expression,
1640 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1641 Call default_function_array_read_conversion instead of
1642 default_function_array_conversion where needed.
1643 (c_parser_unary_expression, c_parser_conditional_expression,
1644 c_parser_postfix_expression_after_primary, c_parser_initelt):
1645 Likewise. Call mark_exp_read where needed.
1646 (c_parser_statement_after_labels, c_parser_asm_operands,
1647 c_parser_typeof_specifier, c_parser_sizeof_expression,
1648 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1650 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1652 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1653 (warn_unused_but_set_parameter): Default to warn_unused
1655 * doc/invoke.texi: Document -Wunused-but-set-variable and
1656 -Wunused-but-set-parameter.
1658 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1659 used count variable.
1660 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1661 when operandN variables aren't used in the body of the expander
1663 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1664 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1665 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1666 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1667 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1668 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1669 * tree.c (PROCESS_ARG): Likewise.
1671 2010-04-07 Simon Baldwin <simonb@google.com>
1673 * diagnostic.h (diagnostic_override_option_index): New macro to
1674 set a diagnostic's option_index.
1675 * c-tree.h (c_cpp_error): Add warning reason argument.
1676 * opts.c (_warning_as_error_callback): New.
1677 (register_warning_as_error_callback): Store callback for
1678 warnings enabled via enable_warning_as_error.
1679 (enable_warning_as_error): Call callback, minor code tidy.
1680 * opts.h (register_warning_as_error_callback): Declare.
1681 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1682 response to -Werror=.
1683 (c_common_init_options): Register warning_as_error_callback in opts.c.
1684 * common.opt: Add -Wno-cpp option.
1685 * c-common.c (struct reason_option_codes_t): Map cpp warning
1686 reason codes to gcc option indexes.
1687 * (c_option_controlling_cpp_error): New function, lookup the gcc
1688 option index for a cpp warning reason code.
1689 * (c_cpp_error): Add warning reason argument, call
1690 c_option_controlling_cpp_error for diagnostic_override_option_index.
1691 * doc/invoke.texi: Document -Wno-cpp.
1693 2010-04-07 Richard Guenther <rguenther@suse.de>
1695 * ipa-reference.c (mark_load): Use get_base_address.
1696 (mark_store): Likewise.
1698 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1699 inserting GIMPLE_NOPs into the IL.
1700 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1701 Explicitly strip handled components and indirect references.
1703 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1704 folding address expressions.
1705 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1706 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1707 operand_equal_p to compare decls.
1708 (ptr_deref_may_alias_decl_p): Likewise.
1709 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1710 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1711 Handle reversed comparison ops.
1712 * tree-sra.c (asm_visit_addr): Use get_base_address.
1713 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1714 * ipa-reference.c (mark_address): Use get_base_address.
1716 2010-04-07 Richard Guenther <rguenther@suse.de>
1718 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1719 Propagate constants everywhere.
1721 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1724 * tree.c (MAX_INT_CACHED_PREC): Define.
1725 (nonstandard_integer_type_cache): New array.
1726 (build_nonstandard_integer_type): Cache results for precision
1727 <= MAX_INT_CACHED_PREC.
1729 2010-04-07 Richard Guenther <rguenther@suse.de>
1731 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1732 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1733 * common.opt: Likewise.
1734 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1735 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1736 (nonoverlapping_memrefs_p): Likewise.
1737 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1738 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1739 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1740 OPT_fargument_noalias_global for backward compatibility.
1742 2010-04-07 Richard Guenther <rguenther@suse.de>
1744 PR tree-optimization/43270
1745 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1746 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1747 * tree-ssa-pre.c (phi_translate_1): Adjust.
1748 (fully_constant_expression): Split out vn_reference handling to ...
1749 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1750 Fold reads from constant strings.
1751 (vn_reference_lookup): Handle fully constant references.
1752 (vn_reference_lookup_pieces): Likewise.
1753 * Makefile.in (expmed.o-warn): Add -Wno-error.
1755 2010-04-07 Martin Jambor <mjambor@suse.cz>
1757 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1759 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1762 * gcc.c: Add -static-libstdc++ to list of recognized options.
1764 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1766 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1768 2010-04-07 Richard Guenther <rguenther@suse.de>
1771 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1772 bases build simple mem attributes to retain points-to information.
1774 2010-04-07 Richard Guenther <rguenther@suse.de>
1777 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1778 preserve points-to related information.
1780 2010-04-07 Richard Guenther <rguenther@suse.de>
1783 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1784 discard plain indirect references.
1785 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1786 * tree.c (tree_nop_conversion): Likewise.
1788 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1791 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1793 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1795 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1796 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1798 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1800 * tree-if-conv.c: Fix indentation and comments.
1802 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1804 * tree-if-conv.c: Sort static functions in topological order.
1806 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1808 * tree-if-conv.c: Fix indentation and comments.
1810 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1813 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1814 lang_hooks.types.type_for_size instead of
1815 build_nonstandard_integer_type.
1816 When converting an unsigned type to signed, double its precision.
1817 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1818 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1819 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1822 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1825 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1826 POINTER_PLUS_EXPR for pointer types.
1828 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1831 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1832 * graphite-clast-to-gimple.c: Include langhooks.h.
1833 (max_signed_precision_type): New.
1834 (max_precision_type): Takes two types as arguments.
1835 (precision_for_value): New.
1836 (precision_for_interval): New.
1837 (gcc_type_for_interval): New.
1838 (gcc_type_for_value): New.
1839 (gcc_type_for_clast_term): New.
1840 (gcc_type_for_clast_red): New.
1841 (gcc_type_for_clast_bin): New.
1842 (gcc_type_for_clast_expr): Split up into several functions.
1843 (gcc_type_for_clast_eq): Rewritten.
1844 (compute_bounds_for_level): New.
1845 (compute_type_for_level_1): New.
1846 (compute_type_for_level): New.
1847 (gcc_type_for_cloog_iv): Removed.
1848 (gcc_type_for_iv_of_clast_loop): Rewritten.
1849 (graphite_create_new_loop): Compute the lower and upper bound types
1850 with gcc_type_for_clast_expr.
1851 (graphite_create_new_loop_guard): Same.
1852 (find_cloog_iv_in_expr): Removed.
1853 (compute_cloog_iv_types_1): Removed.
1854 (compute_cloog_iv_types): Removed.
1855 (gloog): Do not call compute_cloog_iv_types.
1856 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1858 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1859 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1860 (GBB_CLOOG_IV_TYPES): Removed.
1862 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1864 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1865 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1866 (detect_commutative_reduction): Same.
1868 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1870 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1871 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1873 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1874 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1875 (rewrite_commutative_reductions_out_of_ssa): Same.
1876 * passes.c (execute_function_todo): Call verify_ssa for every pass
1877 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1878 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1879 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1880 with an extra argument.
1881 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1882 verify_ssa only when the extra argument is true.
1883 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1884 with an extra argument.
1885 (tree_transform_and_unroll_loop): Same.
1887 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1889 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1890 for all the passes of the LNO having LOOP_CLOSED_SSA.
1891 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1892 * tree-loop-distribution.c (pass_loop_distribution): Same.
1893 * tree-pass.h (TODO_verify_loops): Removed.
1894 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1896 (pass_tree_unswitch): Same.
1897 (pass_predcom): Same.
1898 (pass_vectorize): Same.
1899 (pass_linear_transform): Same.
1900 (pass_graphite_transforms): Same.
1901 (pass_iv_canon): Same.
1902 (pass_complete_unroll): Same.
1903 (pass_complete_unrolli): Same.
1904 (pass_parallelize_loops): Same.
1905 (pass_loop_prefetch): Same.
1906 (pass_iv_optimize): Same.
1908 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1911 * passes.c (init_optimization_passes): Move pass_lim before
1912 pass_copy_prop and pass_dce_loop.
1914 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1917 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1918 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1919 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1920 MULTI_* defines for 4 argument vpermil2p* builtins.
1922 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1924 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1925 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1926 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1927 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1928 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1929 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1930 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1931 Use x86_maybe_negate_const_int to output insn mnemonic.
1932 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1933 check from instruction predicate. Update comments.
1934 * config/i386/sync.md (sync_add<mode>): Use
1935 x86_maybe_negate_const_int to output insn mnemonic.
1937 2010-04-06 Jan Hubicka <jh@suse.cz>
1939 PR tree-optimization/42906
1940 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1941 IGNORE_SELF argument. Set visited_control_parents for fully
1943 (find_obviously_necessary_stmts): Update call of
1944 mark_control_dependent_edges_necessary.
1945 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1947 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1949 * config/i386/i386.md: Remove comment about 'e' and 'E'
1952 2010-04-06 Richard Guenther <rguenther@suse.de>
1954 PR tree-optimization/43627
1955 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1956 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1959 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1961 * BASE-VER: Change to 4.6.0.
1964 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1967 2010-04-06 Richard Guenther <rguenther@suse.de>
1970 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1972 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1974 * doc/invoke.texi (Optimize Options): Document that LTO
1975 won't remove object access purely due to incompatible
1978 2010-04-04 Matthias Klose <doko@ubuntu.com>
1980 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1981 Initialize variable.
1983 2010-04-03 Richard Guenther <rguenther@suse.de>
1986 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1987 require a non-NULL MEM_OFFSET.
1989 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
1991 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1992 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1993 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1994 config/alpha/predicates.md, config/arm/arm.md,
1995 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1996 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1997 config/darwin9.h, config/darwin.c, config/darwin.h,
1998 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1999 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2000 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2001 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2002 config/mips/mips.md, config/mn10300/mn10300.c,
2003 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2004 config/rs6000/aix.h, config/rs6000/dfp.md,
2005 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2006 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2007 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2008 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2009 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2010 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2011 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2012 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2013 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2014 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2015 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2016 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2017 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2018 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2019 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2020 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2021 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2022 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2023 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2024 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2025 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2026 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2027 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2028 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2029 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2030 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2031 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2032 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2033 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2034 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2035 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2036 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2037 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2038 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2039 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2040 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2042 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2045 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2046 * aclocal.m4: Regenerate.
2048 2010-04-02 Richard Guenther <rguenther@suse.de>
2050 PR tree-optimization/43629
2051 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2052 if we have seen a constant value.
2054 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2056 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2058 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2061 * arm.c (legitimize_tls_address): Adjust call to
2062 gen_tls_load_dot_plus_four.
2063 (arm_note_pic_base): New function.
2064 (arm_cannot_copy_insn_p): Use it.
2065 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2068 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2073 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2075 * Makefile.in ($(out_object_file)): Depend on
2076 gt-$(basename $(notdir $(out_file))).h.
2078 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2080 * config.gcc (lm32-*-rtems*): Add t-lm32.
2082 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2084 * config.gcc: Add lm32-*-rtems*.
2085 * config/lm32/rtems.h: New file.
2087 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2090 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2092 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2094 * dwarf2out.c (output_compilation_unit_header): For
2095 -gdwarf-4 use version 4 instead of version 3.
2096 (output_line_info): For version 4 and above emit additional
2097 maximum ops per insn header field.
2098 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2100 * dwarf2out.c (is_c_family, is_java): Remove.
2101 (lower_bound_default): New function.
2102 (add_bound_info, gen_descr_array_type_die): Use it.
2104 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2107 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2108 re-declaration when it happens in a function.
2110 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2112 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2113 (cgraph_remove_function_insertion_hook): Same.
2114 (cgraph_call_function_insertion_hooks): Same.
2116 2010-04-01 Richard Guenther <rguenther@suse.de>
2119 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2120 and TREE_THIS_VOLATILE.
2121 (copy_ref_info): Likewise.
2122 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2123 * tree.c (build6_stat): Ignore side-effects of all but arg5
2124 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2127 2010-04-01 Richard Guenther <rguenther@suse.de>
2129 PR tree-optimization/43607
2130 * ipa-type-escape.c (check_call): Do not access non-existing
2133 2010-04-01 Richard Guenther <rguenther@suse.de>
2137 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2138 Jack Howarth <howarth@bromo.med.uc.edu>
2140 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2143 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2145 * doc/install.texi (Prerequisites): Document libelf usability on
2146 IRIX 5/6 and Solaris 2.
2147 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2148 Update GNU as, GNU ld requirements.
2149 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2150 Document Sun Studio compiler download.
2151 Update and simplify as, ld recommendations.
2152 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2154 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2156 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2157 with_tune_32 to pentium4.
2159 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2161 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2163 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2165 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2166 obsoletion, removal.
2168 Document GNU as requirement.
2169 Update configure requirements.
2170 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2171 Recomment IRIX 6.5.18+.
2172 Document IDF/IDL requirement.
2173 Document GNU as requirement.
2174 Document GNU ld bootstrap failure.
2175 Remove freeware.sgi.com reference.
2177 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2179 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2180 UNIX V4.0, V5.0 obsoletion, removal.
2181 Remove --with-gc=simple reference.
2182 Update VM requirements during bootstrap.
2183 Remove -oldas bootstrap description.
2184 Update binutils reference.
2185 Remove comparison failure note.
2187 2010-03-31 Richard Guenther <rguenther@suse.de>
2188 Zdenek Dvorak <ook@ucw.cz>
2189 Sebastian Pop <sebastian.pop@amd.com>
2192 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2193 with multiple arguments.
2194 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2196 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2198 * graphite-dependences.c (print_pddr): Call print_pdr with an
2200 * graphite-poly.c (debug_pdr): Add an extra argument for the
2203 (print_pbb_domain): Same.
2205 (print_scop_context): Same.
2207 (print_cloog): Same.
2208 (debug_pbb_domain): Same.
2212 (debug_scop_context): Same.
2214 (debug_cloog): Same.
2215 (print_scop_params): Same.
2216 (debug_scop_params): Same.
2217 (print_iteration_domain): Same.
2218 (print_iteration_domains): Same.
2219 (debug_iteration_domain): Same.
2220 (debug_iteration_domains): Same.
2221 (print_scattering_function): Same.
2222 (print_scattering_functions): Same.
2223 (debug_scattering_function): Same.
2224 (debug_scattering_functions): Same.
2225 * graphite-poly.h (debug_pdr): Update declaration.
2227 (print_pbb_domain): Same.
2229 (print_scop_context): Same.
2231 (print_cloog): Same.
2232 (debug_pbb_domain): Same.
2236 (debug_scop_context): Same.
2238 (debug_cloog): Same.
2239 (print_scop_params): Same.
2240 (debug_scop_params): Same.
2241 (print_iteration_domain): Same.
2242 (print_iteration_domains): Same.
2243 (debug_iteration_domain): Same.
2244 (debug_iteration_domains): Same.
2245 (print_scattering_function): Same.
2246 (print_scattering_functions): Same.
2247 (debug_scattering_function): Same.
2248 (debug_scattering_functions): Same.
2250 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2252 * graphite-poly.c (print_scattering_function_1): New.
2253 (print_scattering_function): Call it.
2254 (print_scop_params): Remove spaces at the end of lines.
2257 * graphite-poly.h (print_cloog): Declared.
2258 (debug_cloog): Declared.
2260 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2262 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2264 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2265 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2266 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2267 to switch between adding the IV bump in loop->latch or in loop->header.
2269 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2271 * graphite-poly.c (print_scattering_function): Pretty print following
2274 (print_pbb_domain): Same.
2275 (dump_gbb_cases): Same.
2276 (dump_gbb_conditions): Same.
2279 (print_scop_params): Same.
2280 (print_scop_context): Same.
2282 (print_pbb_body): New.
2283 (lst_indent_to): New.
2284 (print_lst): Start new lines with a #.
2285 * graphite-poly.h (pbb_bb): New.
2286 (pbb_index): Use pbb_bb.
2287 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2289 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2291 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2293 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2294 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2295 and 0 instead of 1 for dw_val_class_flag.
2296 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2297 dw_val_class_range_list, dw_val_class_loc_list,
2298 dw_val_class_lineptr and dw_val_class_macptr, use
2299 DW_FORM_flag_present for dw_val_class_flag and
2300 DW_FORM_exprloc for dw_val_class_loc.
2301 (output_die): For -gdwarf-4 print dw_val_class_loc
2302 size as uleb128 instead of 1 or 2 bytes and don't print
2303 anything for dw_val_class_flag.
2305 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2306 instead of cselib_lookup following by tweaking locs->setting_insn.
2309 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2310 even before returning from label, setjmp call or volatile asm
2313 2010-03-31 Richard Guenther <rguenther@suse.de>
2316 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2317 temporary data on stack.
2319 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2321 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2322 (PUSHSECTION_ASM_OP): Remove.
2323 (POPSECTION_ASM_OP): Remove.
2324 (PUSHSECTION_FORMAT): Remove.
2325 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2326 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2327 * config/sol2.c (solaris_output_init_fini): Use it.
2329 2010-03-31 Jie Zhang <jie@codesourcery.com>
2332 * opt-functions.awk (var_type_struct): Use signed char type
2333 for simple variables.
2335 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2337 * config/sol2.c: Include output.h.
2338 (solaris_assemble_visibility): New function.
2339 * config/t-sol2 (sol2.o): Add output.h dependency.
2340 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2341 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2344 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2347 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2348 V2SImode or XFmode on PRE_DEC.
2351 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2354 2010-03-31 Jie Zhang <jie@codesourcery.com>
2357 * reload.h (caller_save_initialized_p): Declare.
2358 * toplev.c (backend_init_target): Don't call
2359 init_caller_save but set caller_save_initialized_p to false.
2360 * caller-save.c (caller_save_initialized_p): Define.
2361 (init_caller_save): Check caller_save_initialized_p.
2362 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2364 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2367 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2368 and soft-fp/t-softfp to tmake_file.
2369 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2370 (LIBGCC2_TF_CEXT): Define.
2373 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2376 * cselib.c (n_useless_values): Document handling of debug locs.
2377 (n_useless_debug_values, n_debug_values): New variables.
2378 (new_elt_loc_list): Don't add to debug values, keep count.
2379 (promote_debug_loc): New.
2380 (cselib_reset_table): Zero new variables.
2381 (entry_and_rtx_equal_p): Promote debug locs.
2382 (discard_useless_locs): Increment n_useless_debug_values for
2384 (remove_useless_values): Adjust n_useless_values and n_debug_values
2385 with n_useless_debug_values.
2386 (add_mem_for_addr): Promote debug locs.
2387 (cselib_lookup_mem): Likewise.
2388 (cselib_lookup_addr): Renamed to...
2389 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2390 (cselib_log_lookup): ... this. Turn into...
2391 (cselib_lookup_addr): ... new wrapper.
2392 (cselib_lookup_from_insn): New.
2393 (cselib_invalidate_regno): Increment n_useless_debug_values for
2395 (cselib_invalidate_mem): Likewise.
2396 (cselib_process_insn): Take n_deleted and n_debug_values into
2397 account to guard remove_useless_value call.
2398 (cselib_finish): Zero n_useless_debug_values.
2399 * cselib.h (cselib_lookup_from_insn): Declare.
2400 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2401 (sched_analyze_2): Likewise.
2403 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2405 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2407 (adjust_mems): Replace narrowing SUBREG of expression containing
2408 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2409 with operations in the narrower mode.
2412 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2413 regs_invalidated_by_call instead all call_used_reg_set registers.
2415 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2418 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2419 pointer comparisons with types_compatible_p.
2420 * tree-vect-stmts.c (vectorizable_call): Same.
2421 (vectorizable_condition): Same.
2423 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2425 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2426 stack check if the mask would be zero.
2428 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2429 Jack Howarth <howarth@bromo.med.uc.edu>
2431 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2434 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2437 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2439 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2440 Include ___unordxf2 and ___unordtf2.
2441 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2444 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2446 * config/lm32/t-lm32: New file.
2447 * config.gcc: Use the above file when targetting lm32.
2449 2010-03-28 Duncan Sands <baldrick@free.fr>
2451 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2453 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2456 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2457 Improve vectorization cost model diagnostic.
2459 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2462 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2463 compute_data_dependences_for_loop returns false, early exit
2464 and output an extra diagnostic for the failed data reference
2467 2010-03-29 Richard Guenther <rguenther@suse.de>
2469 PR tree-optimization/43560
2470 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2471 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2473 2010-03-29 Jie Zhang <jie@codesourcery.com>
2476 * toplev.c (process_options): Set optimization_default_node
2477 and optimization_current_node.
2478 * opts.c (decode_options): Don't set optimization_default_node
2479 and optimization_current_node.
2481 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2483 * config/rtems.h: Abandon -qrtems_debug.
2485 2010-03-28 Jan Hubicka <jh@suse.cz>
2487 PR tree-optimization/43505
2488 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2489 map should not be copied.
2491 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2494 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2495 cdtors, set DECL_PRESERVE_P.
2496 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2499 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2501 PR tree-optimization/43528
2502 * stor-layout.c (place_field): Check that constant fits into
2503 unsigned HWI when skipping calculation of MS bitfield layout.
2505 2010-03-27 Jan Hubicka <jh@suse.cz>
2508 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2509 notice_global_symbol work.
2511 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2513 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2514 instead of dwarf2out_decl.
2515 (struct var_loc_node): Remove section_label field.
2516 (dwarf2out_function_decl): New function.
2517 (dwarf2out_var_location): Don't set section_label field.
2518 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2520 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2522 PR tree-optimization/43544
2523 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2524 First argument for builtin vectorized function hook is now a
2525 tree to be able to distinguish between machine specific and
2527 * targhooks.c (default_builtin_vectorized_function): Ditto.
2528 * targhooks.h (default_builtin_vectorized_function): Ditto.
2529 * target.h (struct gcc_target): Ditto.
2530 * tree-vect-stmts.c (vectorizable_function): Ditto.
2531 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2532 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2535 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2538 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2539 nested binding iff it is a FUNCTION_DECL.
2540 (store_parm_decls_newstyle): Pass nested=true to bind for
2541 FUNCTION_DECLs amongst parameters.
2543 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2545 * var-tracking.c (vt_expand_loc_callback): Don't run
2546 cselib_expand_value_rtx_cb in dummy mode if
2547 cselib_dummy_expand_value_rtx_cb returned false.
2549 * var-tracking.c (emit_note_insn_var_location): For one part
2550 notes with offset 0, don't add EXPR_LIST around the location.
2551 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2552 add_location_or_const_value_attribute): Adjust for that change.
2555 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2556 into first operand and location into second.
2557 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2558 dw_cfi_oprnd_loc for DW_CFA_expression.
2559 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2560 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2561 assume first argument is regnum and second argument is location.
2563 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2566 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2567 of scratch register to DImode. Split to DImode comparison operator.
2568 Use SImode subreg of scratch register in the multiplication.
2569 (*cmp_sadd_sidi): Ditto.
2570 (*cmp_ssub_si): Ditto.
2571 (*cmp_ssub_sidi): Ditto.
2573 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2576 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2577 Remove invalid assert and wrong comment.
2579 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2582 * flags.h (final_insns_dump_p): New extern.
2583 * final.c (final_insns_dump_p): New variable.
2584 (rest_of_clean_state): Set it before -fdump-final-insns=
2585 dumping, clear afterwards.
2586 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2587 MEM_ALIAS_SET on MEMs.
2589 2010-03-26 David S. Miller <davem@davemloft.net>
2591 * configure.ac: Fix sparc GOTDATA_OP bug check.
2592 * configure: Rebuild.
2594 2010-03-26 Alan Modra <amodra@gmail.com>
2596 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2598 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2600 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2601 TLS_SECTION_ASM_FLAG.
2603 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2606 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2607 Clear first_function_block_is_cold.
2610 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2611 argument if the argument is truth_value_p.
2613 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2615 * config/rs6000/constraints.md: Update copyright year for my changes.
2618 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2619 used in reg+reg addressing, swap registers.
2621 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2624 * target.h (struct gcc_target): Add code_end hook.
2625 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2627 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2628 * toplev.c (compile_file): Call targetm.asm_out.code_end
2629 hook before unwind info/debug info output.
2630 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2631 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2632 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2633 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2634 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2635 * config/i386/i386.c (ix86_file_end): Renamed to...
2636 (ix86_code_end): ... this. Make static. Don't call
2637 file_end_indicate_exec_stack. Emit unwind info using
2638 final_start_function/final_end_function.
2639 (darwin_x86_file_end): Remove.
2640 (TARGET_ASM_CODE_END): Define.
2641 * config/i386/i386.h (TARGET_ASM_FILE_END,
2642 NEED_INDICATE_EXEC_STACK): Don't define.
2643 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2644 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2645 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2646 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2649 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2650 at the beginning and final_end_function at the end.
2651 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2653 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2655 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2656 and Sun as TLS syntax.
2657 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2658 * configure: Regenerate.
2659 * config.in: Regenerate.
2660 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2661 (default_elf_asm_named_section): Use it.
2662 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2663 (i386_output_dwarf_dtprel): Likewise.
2664 (output_addr_const_extra): Likewise.
2665 (output_pic_addr_const): Lowercase @GOTTPOFF.
2666 (output_addr_const_extra): Likewise.
2667 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2668 (output_addr_const_extra): Likewise.
2669 (output_pic_addr_const): Lowercase @INDNTPOFF.
2670 (output_addr_const_extra): Likewise.
2671 (output_pic_addr_const): Lowercase @NTPOFF.
2672 (output_addr_const_extra): Likewise.
2673 (output_pic_addr_const): Lowercase @TPOFF.
2674 (output_addr_const_extra): Likewise.
2675 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2676 (*tls_global_dynamic_64): Likewise.
2677 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2678 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2680 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2681 (ASM_OUTPUT_TLS_COMMON): Use it.
2682 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2685 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2686 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2687 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2688 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2689 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2690 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2692 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2694 * config/i386/i386.c (override_options): Don't accept
2695 -mtls-dialect=sun any longer.
2696 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2697 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2698 (*tls_local_dynamic_base_32_sun): Likewise.
2699 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2701 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2704 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2705 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2708 * ira.c (adjust_cleared_regs): New function.
2709 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2713 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2715 * expr.c (expand_expr_real): Restore previous
2716 curr_insn_source_location and curr_insn_block after
2717 expand_expr_real_1 call.
2718 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2719 instead of expand_expr_real_1.
2721 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2723 PR rtl-optimization/43413
2724 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2727 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2730 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2731 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2733 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2735 * config/i386/i386.c (ix86_target_string): Add -mfma.
2736 Fix a typo in comment.
2738 2010-03-22 Mike Stump <mikestump@comcast.net>
2741 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2742 Don't overly align based upon packed packed fields.
2744 2010-03-22 Jason Merrill <jason@redhat.com>
2746 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2747 Use () rather than [], and move before the element type.
2749 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2751 * doc/configfiles.texi (Configuration Files): Removed
2752 fixinc/Makefile*, intl/Makefile.*.
2753 * doc/makefile.texi: Fixed markup. Abstract from version
2754 control system used.
2755 (Makefile): Removed obsolete gcc/java/parse.y example.
2756 * doc/sourcebuild.texi: Likewise.
2757 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2758 libgomp, libssp. Removed fastjar.
2759 (Miscellaneous Docs): Clarify location.
2760 Added COPYING3, COPYING3.LIB.
2761 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2763 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2766 * config/i386/i386.c (x86_function_profiler)
2767 [!NO_PROFILE_COUNTERS]: Fix typo.
2768 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2771 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2772 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2774 * doc/sourcebuild.texi (Test Directives): Split into six
2775 subsections, with most of the current text in new subsections
2776 Directives, Selectors, and Final Actions.
2777 (Directives): Split list of test directives into multiple
2779 (Selectors): Describe use and syntax of selectors.
2780 (Effective-Target Keywords): Describe all existing keywords.
2781 (Add Options): Describe features for dg-add-options.
2782 (Require Support): Describe variants of dg-require-support.
2783 (Final Actions): Describe commands to use in dg-final.
2785 2010-03-22 Michael Matz <matz@suse.de>
2788 * recog.c (validate_replace_rtx_group): Replace also in
2789 REG_EQUAL and REG_EQUIV notes.
2791 2010-03-22 Richard Guenther <rguenther@suse.de>
2793 PR tree-optimization/43390
2794 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2795 sure vector extracts are type correct.
2797 2010-03-22 Richard Guenther <rguenther@suse.de>
2800 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2801 x * sqrt (x) even when optimizing for size if the target
2802 has native support for sqrt.
2804 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2806 * varasm.c (make_decl_rtl_for_debug): Also clear
2807 flag_mudflap for the duration of make_decl_rtl call.
2810 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2811 locs from preserved VALUEs.
2813 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2816 * pa.md (movmemsi): Set align to one if zero.
2817 (movmemdi): Likewise.
2819 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2822 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2823 with their corresponding prologue pushes.
2825 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2828 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2829 at the begining or end.
2830 (spu_expand_epilogue): Likewise.
2832 2010-03-20 Richard Guenther <rguenther@suse.de>
2834 PR rtl-optimization/43438
2835 * combine.c (make_extraction): Properly zero-/sign-extend an
2836 extraction of the low part of a CONST_INT. Also handle
2839 2010-03-19 Mike Stump <mikestump@comcast.net>
2841 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2842 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2843 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2845 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2848 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2851 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2853 PR rtl-optimization/42258
2854 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2855 use that may match DEF.
2858 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2859 the cost of loading the constant rather than assuming
2861 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2862 outer code is AND, do the same tests as the andsi3 expander and
2863 return COSTS_N_INSNS (1) if and is cheap.
2865 * optabs.c (avoid_expensive_constant): Fix formatting.
2867 2010-03-19 Michael Matz <matz@suse.de>
2870 * attribs.c (decl_attributes): When rebuilding a function pointer
2871 type use the same qualifiers as the original pointer type.
2873 2010-03-19 Martin Jambor <mjambor@suse.cz>
2875 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2876 and is_gimple_ip_invariant_address.
2878 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2881 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2883 * config/arm/arm.c (arm_override_options): Turn off
2884 flag_dwarf2_cfi_asm for AAPCS variants.
2886 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2889 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2890 Use PRE_MODIFY instead of PRE_DEC.
2891 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2892 (vfp_emit_fstmd): Likewise.
2894 2010-03-19 Michael Matz <matz@suse.de>
2897 * builtins.c (expand_builtin_interclass_mathfn,
2898 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2901 2010-03-19 Richard Guenther <rguenther@suse.de>
2903 PR tree-optimization/43415
2904 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2905 (phi_translate_1): ... this.
2906 (phi_translate): Move all caching here. Cache all NARY
2907 and REFERENCE translations.
2909 2010-03-19 David S. Miller <davem@davemloft.net>
2911 With help from Eric Botcazou.
2912 * config/sparc/sparc.c: Include dwarf2out.h.
2913 (emit_pic_helper): Delete.
2914 (pic_helper_symbol_name): Delete.
2915 (pic_helper_emitted_p): Delete.
2916 (pic_helper_needed): New.
2917 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2918 (get_pc_thunk_name): New.
2919 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2920 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2921 Set pic_helper_needed to true. Don't call emit_pic_helper.
2922 (sparc_expand_prologue): Update load_pic_register call.
2923 (sparc_output_mi_thunk): Likewise.
2924 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2925 thunk if possible. Output CFI information as needed.
2927 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2928 Jack Howarth <howarth@bromo.med.uc.edu>
2931 * config/i386/i386.h: Fix ABI on darwin x86-32.
2933 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2935 * tree.h: Declare make_decl_rtl_for_debug.
2936 * varasm.c (make_decl_rtl_for_debug): New.
2937 * dwarf2out.c (rtl_for_decl_location): Call it.
2938 * cfgexpand.c (expand_debug_expr): Call it.
2940 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2943 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2947 * var-tracking.c (vt_init_cfa_base): Do nothing if
2948 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2950 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2953 * var-tracking.c (canonicalize_vars_star): New.
2954 (dataflow_post_merge_adjust): Use it.
2956 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2959 * var-tracking.c (non_suitable_const): New function.
2960 (add_uses): For DEBUG_INSNs with constants, don't record any
2961 value, instead just the constant value itself.
2962 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2963 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2964 (emit_notes_in_bb): Likewise.
2965 (emit_note_insn_var_location): For onepart variables if
2966 cur_loc is a VOIDmode constant, use DECL_MODE.
2968 2010-03-18 Martin Jambor <mjambor@suse.cz>
2971 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2972 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2973 all non-clones. Moved call redirection...
2974 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2975 (cgraph_materialize_all_clones): Dispose of all
2976 combined_args_to_skip bitmaps.
2977 (verify_cgraph_node): Do not check for edges pointing to wrong
2978 nodes in inline clones.
2979 * tree-inline.c (copy_bb): Call
2980 cgraph_redirect_edge_call_stmt_to_callee.
2981 * ipa.c (cgraph_remove_unreachable_nodes): Call
2982 cgraph_node_remove_callees even when there are used clones.
2984 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2986 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2988 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2991 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2994 2010-03-18 Michael Matz <matz@suse.de>
2997 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2998 into sqrt(x) if we need to preserve signed zeros.
3000 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3001 Eric Botcazou <ebotcazou@adacore.com>
3003 PR rtl-optimization/43360
3004 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3005 note if we don't know its invariant status.
3007 2010-03-18 Michael Matz <matz@suse.de>
3009 PR tree-optimization/43402
3010 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3011 PHI chains of ssa names registered for update.
3013 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3016 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3017 non-offsettable and pre_modify update addressing.
3018 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3019 and "2" alternatives "#".
3020 (*movdd_softfloat32): Make all alternatives "#";
3021 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3022 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3023 (*movdf_softfloat32): Make all alternatives "#";
3024 (movdi): Use the new DIFD mode iterator to create a common splitter
3025 for movdi, movdf and movdd patterns.
3027 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3029 * common.opt (dumpdir): Remove redundant tab.
3031 2010-03-17 Martin Jambor <mjambor@suse.cz>
3033 PR tree-optimization/43347
3034 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3035 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3037 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3039 PR rtl-optimization/42216
3040 * regrename.c (create_new_chain): New function, broken out from...
3041 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3042 appending a use to an empty chain.
3043 (build_def_use): Remove previous changes that convert OP_INOUT to
3044 OP_OUT operands; instead detect the case where an OP_INOUT operand
3045 uses a previously untracked register and create an empty chain for it.
3047 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3049 * doc/extend.texi (Function Attributes): Rewrite unfinished
3050 sentence in ms_abi documentation.
3052 2010-03-17 Alan Modra <amodra@gmail.com>
3054 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3055 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3056 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3057 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3059 2010-03-16 Richard Henderson <rth@redhat.com>
3062 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3063 (lower_try_finally): Save and restore eh_seq around the expansion
3066 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3068 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3069 statements before splitting block.
3071 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3073 * doc/sourcebuild.texi (Testsuites): Fix markup.
3074 Use pathnames relative to gcc/testsuite.
3075 (Test Directives): Move description of how timeout is determined.
3076 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3077 (C Tests): Correct gcc.misc-tests directory.
3078 Framework tests now live in gcc.test-framework.
3080 2010-03-16 Richard Guenther <rguenther@suse.de>
3083 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3084 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3086 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3087 Alexandre Oliva <aoliva@redhat.com>
3089 PR tree-optimization/42917
3090 * lambda-code.c (remove_iv): Skip debug statements.
3091 (lambda_loopnest_to_gcc_loopnest): Likewise.
3092 (not_interesting_stmt): Debug statements are not interesting.
3094 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3098 * cselib.c (cselib_preserve_constants,
3099 cfa_base_preserved_val): New static variables.
3100 (preserve_only_constants): New function.
3101 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3102 clear its REG_VALUES. If cselib_preserve_constants, don't
3103 empty the whole hash table, but preserve there VALUEs with constants,
3104 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3105 (cselib_preserve_cfa_base_value): New function.
3106 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3107 (cselib_init): Change argument to int bitfield. Set
3108 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3110 (cselib_finish): Clear cselib_preserve_constants and
3111 cfa_base_preserved_val.
3112 * cselib.h (enum cselib_record_what): New enum.
3113 (cselib_init): Change argument to int.
3114 (cselib_preserve_cfa_base_value): New prototype.
3115 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3116 * dse.c (dse_step1): Likewise.
3117 * cfgcleanup.c (thread_jump): Likewise.
3118 * sched-deps.c (sched_analyze): Likewise.
3119 * gcse.c (local_cprop_pass): Likewise.
3120 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3121 If FN is non-NULL, call the callback always and whenever it returns
3122 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3123 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3124 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3125 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3126 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3127 * var-tracking.c: Include recog.h.
3128 (bb_stack_adjust_offset): Remove.
3129 (vt_stack_adjustments): Don't call it, instead just gather the
3130 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3131 (adjust_stack_reference): Remove.
3132 (compute_cfa_pointer): New function.
3133 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3134 (struct adjust_mem_data): New type.
3135 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3137 (get_address_mode): New function.
3138 (replace_expr_with_values): Use it.
3139 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3140 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3141 (adjust_sets): Remove.
3142 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3143 Use get_address_mode.
3144 (get_adjusted_src): Remove.
3145 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3146 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3147 (add_with_sets): Don't call adjust_sets.
3148 (fp_setter, vt_init_cfa_base): New functions.
3149 (vt_initialize): Change return type to bool. Move most of pool etc.
3150 initialization to the beginning of the function from end. Pass
3151 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3152 If !frame_pointer_needed, call vt_stack_adjustment before mos
3153 vector is filled, call vt_init_cfa_base if argp/framep has been
3154 eliminated to sp. If frame_pointer_needed and argp/framep has
3155 been eliminated to hard frame pointer, set
3156 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3157 encountering fp setter in the prologue. For MO_ADJUST, call
3158 log_op_type before pusing the op into mos vector, not afterwards.
3159 Call adjust_insn before cselib_process_insn/add_with_sets,
3160 call cancel_changes (0) afterwards.
3161 (variable_tracking_main_1): Adjust for vt_initialize calling
3162 vt_stack_adjustments and returning whether it succeeded or not.
3164 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3166 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3169 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3171 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3173 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3174 drap_reg has not been set.
3176 2010-03-15 Michael Matz <matz@suse.de>
3179 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3180 use it to expand block copies.
3181 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3182 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3183 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3185 2010-03-15 Richard Guenther <rguenther@suse.de>
3187 PR tree-optimization/43367
3188 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3191 2010-03-15 Richard Guenther <rguenther@suse.de>
3193 PR tree-optimization/43317
3194 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3196 2010-03-15 Martin Jambor <mjambor@suse.cz>
3198 PR tree-optimization/43141
3199 * tree-sra.c (create_abstract_origin): New function.
3200 (modify_function): Call create_abstract_origin.
3202 2010-03-15 Chris Demetriou <cgd@google.com>
3204 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3207 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3210 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3211 call insert_out_of_ssa_copy for default definitions.
3213 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3215 * graphite-clast-to-gimple.c (my_long_long): Defined.
3216 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3217 * graphite-sese-to-poly.c (my_long_long): Defined.
3218 (scop_ivs_can_be_represented): Use it.
3220 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3222 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3223 graphite-max-bbs-per-function, and loop-block-tile-size.
3224 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3226 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3228 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3230 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3231 forward declaration.
3232 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3233 (add_upper_bounds_from_estimated_nit): New.
3234 (build_loop_iteration_domains): Use it.
3236 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3238 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3240 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3243 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3244 should be an INTEGER_CST. Also handle CASE_CONVERT.
3246 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3248 * graphite.c (graphite_initialize): To bound the number of bbs per
3249 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3250 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3251 * doc/invoke.texi: Document it.
3253 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3255 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3256 * graphite-sese-to-poly.h (build_poly_scop): Same.
3258 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3260 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3261 the number of parameters in the scop. Use as an upper bound
3262 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3263 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3264 * doc/invoke.texi: Document it.
3266 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3268 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3269 * doc/c-tree.texi: Remove.
3270 * doc/generic.texi: Merge c-tree.texi here.
3271 * doc/gccint.texi (Trees): Remove menu entry.
3272 (c-tree.texi): Remove @include.
3273 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3274 * doc/languages.texi (Reading RTL): Ditto.
3276 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3279 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3281 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3284 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3285 code added to work around reload clobbering CONST insns.
3287 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3289 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3290 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3291 (cselib_preserve_only_values): Remove retain argument, don't
3292 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3293 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3294 * var-tracking.c (micro_operation): Move insn field before union.
3295 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3296 (struct variable_tracking_info_def): Remove n_mos field, change
3297 mos into a vector of micro_operations.
3298 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3299 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3300 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3301 changing into a vector.
3302 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3303 come before all other uops generated by add_stores.
3304 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3306 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3307 a vector. Run just one pass over the bbs instead of separate counting
3308 and computation phase.
3309 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3312 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3313 into *nonlocalized_list vector.
3314 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3315 even if origin is non-NULL.
3316 (gen_variable_die): Likewise.
3317 (process_scope_var): Don't change origin.
3318 (gen_decl_die): Likewise.
3319 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3320 before adding new edges instead of after it, fix moving over
3323 2010-03-11 David S. Miller <davem@davemloft.net>
3325 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3327 * configure: Rebuild.
3329 2010-03-11 Martin Jambor <mjambor@suse.cz>
3331 PR tree-optimization/43257
3332 * tree.c (assign_assembler_name_if_neeeded): New function.
3333 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3335 * tree.h (assign_assembler_name_if_neeeded): Declare.
3336 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3337 the function if needed.
3339 2010-03-11 Chris Demetriou <cgd@google.com>
3341 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3342 include/stdint-gcc.h, and include/stdint.h world-readable.
3344 2010-03-11 Richard Guenther <rguenther@suse.de>
3346 PR tree-optimization/43255
3347 * tree-vrp.c (process_assert_insertions_for): Do not insert
3348 asserts for trivial conditions.
3350 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3352 PR tree-optimization/43280
3353 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3354 generation. Move calculation of size out of the if branch.
3355 (find_bswap): Modify compare number generation.
3357 2010-03-11 Richard Guenther <rguenther@suse.de>
3360 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3361 (input_gimple_stmt): Fixup handled component types during
3362 operand read. Also fix up decls in ADDR_EXPRs.
3364 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3366 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3367 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3369 2010-03-10 Jan Hubicka <jh@suse.cz>
3372 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3373 * varasm.c (get_variable_section): Don't do that here...
3374 (make_decl_rtl): ... and here.
3375 (do_assemble_alias): Produce decl RTL.
3376 (assemble_alias): Likewise.
3378 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3381 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3382 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3384 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3385 (based_loc_descr): Only express drap or vdrap regno based expressions
3386 using DW_OP_fbreg when not optimizing.
3387 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3388 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3389 REG_CFA_SET_VDRAP note.
3391 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3393 PR tree-optimization/43236
3394 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3395 error in calculation of base address in reverse iteration case.
3396 (generate_builtin): Take number of latch executions if the statement
3399 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3402 * tree-eh.c: Include pointer-set.h.
3403 (lower_eh_dispatch): Filter out duplicate case labels and
3404 remove the unneeded edge when the label is unused. Return
3405 true when some edges are removed.
3406 (execute_lower_eh_dispatch): When any lowering resulted in
3407 removing an edge, also delete unreachable blocks.
3409 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3412 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3413 UNSPEC_MACHOPIC_OFFSET.
3415 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3418 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3419 (m68k_delegitimize_address): New function.
3421 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3424 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3427 * var-tracking.c (adjust_sets): New function.
3428 (count_with_sets, add_with_sets): Use it.
3429 (get_adjusted_src): New inline function.
3430 (add_stores): Use it.
3433 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3434 call cselib_dummy_expand_value_rtx_cb instead of
3435 cselib_expand_value_rtx_cb.
3438 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3439 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3440 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3441 and .cfi_endproc around the pic thunks.
3442 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3443 all queued unwind info register saves are saved before the call.
3444 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3445 considered as sp-=4 for unwind info and the pop as sp+=4 which
3446 also clobbers dest, but doesn't actually restore it.
3449 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3450 RTX_FRAME_RELATED_P.
3452 2010-03-09 Jie Zhang <jie@codesourcery.com>
3454 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3455 whitespaces in output template.
3457 2010-03-09 Jie Zhang <jie@codesourcery.com>
3459 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3462 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3464 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3465 builtins.exp in a separate job.
3467 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3469 * graphite-sese-to-poly.c (add_param_constraints): Use
3470 lower_bound_in_type and upper_bound_in_type.
3472 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3474 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3475 instead of unsigned_type_node.
3477 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3478 Reza Yazdani <reza.yazdani@amd.com>
3481 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3482 on pointer type parameters.
3484 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3488 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3489 handle conversions from pointer to integers.
3490 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3491 induction variable, to be able to work with code generated by CLooG.
3492 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3493 (build_poly_scop): Bail out if we cannot codegen a loop.
3495 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3497 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3498 code generation with gloog_error.
3500 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3502 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3503 Call fold_convert on all the returned values.
3504 (expand_scalar_variables_expr): Pass to
3505 expand_scalar_variables_ssa_name the type of the resulting expression.
3507 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3509 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3510 ppl_min_for_le_pointset.
3511 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3512 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3514 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3516 * graphite-dependences.c (map_into_dep_poly): Removed.
3517 (dependence_polyhedron_1): Use combine_context_id_scat.
3519 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3521 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3522 (struct poly_bb): Same.
3523 (combine_context_id_scat): New.
3525 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3528 * sese.c (name_defined_in_loop_p): Return false for default
3531 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3533 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3534 and clean up the logic.
3536 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3538 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3541 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3543 * var-tracking.c (remove_cselib_value_chains): Define only for
3545 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3546 delete_slot_part, emit_notes_for_differences_1): Don't call
3547 remove_cselib_value_chains here.
3548 (set_slot_part, emit_notes_for_differences_2): Don't call
3549 add_cselib_value_chains here.
3550 (preserved_values): New vector.
3551 (preserve_value): New function.
3552 (add_uses, add_stores, vt_add_function_parameters): Use it
3553 instead of cselib_preserve_value.
3554 (changed_values_stack): New vector.
3555 (check_changed_vars_0): New function.
3556 (check_changed_vars_1, check_changed_vars_2): Use it.
3557 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3558 changed_values_stack VALUEs.
3559 (vt_emit_notes): For all preserved_values call
3560 add_cselib_value_chains. If ENABLE_CHECKING call
3561 remove_cselib_value_chains before verifying value_chains is empty.
3562 Initialize and free changed_values_stack.
3563 (vt_initialize): Initialize preserved_values.
3564 (vt_finalize): Free preserved_values.
3566 2010-03-08 Richard Guenther <rguenther@suse.de>
3568 PR tree-optimization/43269
3569 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3572 2010-03-08 Martin Jambor <mjambor@suse.cz>
3574 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3575 (ipa_is_param_called): Removed.
3576 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3577 (ipa_print_node_params): Do not print the called flag.
3578 (ipa_write_node_info): Do not stream the called flag.
3579 (ipa_read_node_info): Likewise.
3581 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3584 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3585 * cselib.c (struct expand_value_data): Add dummy field.
3586 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3588 (cselib_dummy_expand_value_rtx_cb): New function.
3589 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3591 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3592 * var-tracking.c: Include pointer-set.h.
3593 (variable): Change n_var_parts to char from int. Add
3594 cur_loc_changed and in_changed_variables fields.
3595 (variable_canonicalize): Remove.
3596 (shared_var_p): New inline function.
3597 (unshare_variable): Maintain cur_loc_changed and
3598 in_changed_variables fields. If var was in changed_variables,
3599 replace it there with new_var. Just copy cur_loc instead of
3600 resetting it to something else.
3601 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3602 (dataflow_set_union): Don't call variable_canonicalize.
3603 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3604 of their DEBUG_EXPR_TREE_DECLs.
3605 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3606 and in_changed_variables and cur_loc_changed is false.
3607 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3608 and cur_loc_changed. Don't update cur_loc here.
3609 (variable_merge_over_src): Don't call variable_canonicalize.
3610 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3611 removing loc that is equal to cur_loc, clear cur_loc,
3612 set cur_loc_changed and ensure variable_was_changed is called.
3613 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3614 compare pointers in cur_loc check, if it is equal to loc,
3615 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3616 (variable_different_p): Remove compare_current_location argument,
3617 don't compare cur_loc.
3618 (dataflow_set_different_1): Adjust variable_different_p caller.
3619 (variable_was_changed): If dv had some var in changed_variables
3620 already, reset in_changed_variables flag for it and propagate
3621 cur_loc_changed over to the new variable. On empty var
3622 always set cur_loc_changed. Set in_changed_variables on whatever
3623 var is added to changed_variables.
3624 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3625 Use shared_var_p. When removing loc that is equal to cur_loc,
3626 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3627 end, don't set it to something else, just call variable_was_changed.
3628 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3629 loc being removed, clear cur_loc and set cur_loc_changed.
3630 Set cur_loc_changed if all locations have been removed.
3631 (struct expand_loc_callback_data): New type.
3632 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3633 allocated. Always create SUBREGs if simplify_subreg failed.
3634 Prefer to use cur_loc, when that fails and still in
3635 changed_variables (and seen first time) recompute it. Set
3636 cur_loc_changed of variables which had to change cur_loc and
3637 compute elcd->cur_loc_changed if any of the subexpressions used
3638 had to change cur_loc.
3639 (vt_expand_loc): Adjust to pass arguments in
3640 expand_loc_callback_data structure.
3641 (vt_expand_loc_dummy): New function.
3642 (emitted_notes): New variable.
3643 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3644 that weren't used for any other decl in current
3645 emit_notes_for_changes call call vt_expand_loc_dummy to update
3646 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3647 first loc_chain location if NULL before. Always use just
3648 cur_loc instead of first loc_chain location. When cur_loc_changed
3649 is false, when not --enable-checking=rtl just don't emit any note.
3650 When rtl checking, compute the note and assert it is the same
3651 as previous note. Clear cur_loc_changed and in_changed_variables
3652 at the end before removing from changed_variables.
3653 (check_changed_vars_3): New function.
3654 (emit_notes_for_changes): Traverse changed_vars to call
3655 check_changed_vars_3 on each changed var.
3656 (emit_notes_for_differences_1): Clear cur_loc_changed and
3657 in_changed_variables. Recompute cur_loc of new_var.
3658 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3659 (vt_emit_notes): Initialize and destroy emitted_notes.
3661 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3663 PR rtl-optimization/42220
3664 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3665 Use verify_reg_tracked to determine if we should use OP_OUT rather
3667 (build_def_use): If we see an in-out operand for a register that we
3668 know nothing about, treat is an output if possible, fail the block if
3671 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3674 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3677 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3680 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3681 uses of relevant DEFs that are dead outside the loop too.
3683 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3685 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3687 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3689 * var-tracking.c (values_to_unmark): New variable.
3690 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3691 values_to_unmark vector. Moved body to...
3692 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3693 instead queue it into values_to_unmark vector.
3694 (vt_find_locations): Free values_to_unmark vector.
3696 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3698 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3699 (site.exp): Export them when plugins are enabled.
3701 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3704 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3706 (chrec_fold_multiply): Same.
3708 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3711 * c-decl.c (build_compound_literal): Return early if init is
3714 2010-03-04 Martin Jambor <mjambor@suse.cz>
3716 PR tree-optimization/43164
3717 PR tree-optimization/43191
3718 * tree-sra.c (type_consists_of_records_p): Reject records with
3719 zero-size bit-fields at the end.
3721 2010-03-04 Mike Stump <mikestump@comcast.net>
3723 * Makefile.in (TAGS): Remove *.y.
3725 2010-03-04 Richard Guenther <rguenther@suse.de>
3727 PR tree-optimization/40761
3728 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3730 (my_rev_post_order_compute): New function.
3731 (init_pre): Call it.
3733 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3736 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3737 decrease the cost of an IV candidate when the cost is infinite.
3739 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3741 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3742 Use '3DNow!' for the extension of that name, ensure normal space
3744 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3746 2010-03-03 Jeff Law <law@redhat.com>
3748 * PR middle-end/32693
3749 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3750 than gen_rtx_SUBREG.
3751 (extract_bit_field_1): Likewise.
3753 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3755 * doc/sourcebuild.texi (Test directives): Document that arguments
3756 include-opts and exclude-opts are now optional for dg-skip-if,
3757 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3759 2010-03-03 Jason Merrill <jason@redhat.com>
3762 * cgraph.h (varpool_node): Add extra_name field.
3763 * varpool.c (varpool_extra_name_alias): New.
3764 (varpool_assemble_decl): Emit extra name aliases.
3765 (varpool_mark_needed_node): Look past an extra name alias.
3766 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3767 * lto-streamer-in.c (lto_input_tree): Read it.
3768 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3770 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3772 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3773 (sparc*-*-solaris2*): ...this.
3775 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3778 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3779 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3780 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3781 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3784 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3785 fallthrough to default handling, just with want_address 0 instead of 2.
3786 For single element lists, add_AT_loc directly, otherwise create an
3787 artificial variable DIE and stick location list to it.
3790 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3791 (VAL_EXPR_HAS_REVERSE): Define.
3792 (reverse_op): New function.
3793 (add_stores): For reversible operations add an extra MO_VAL_USE.
3795 2010-03-02 Jason Merrill <jason@redhat.com>
3797 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3799 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3801 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3802 (sparc64-*-linux*): Likewise.
3803 (sparc64-*-solaris2*): Include assembler files before linker ones.
3804 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3805 * config/sparc/gas.h: Delete.
3806 * config/sparc/sol2-64.h: Add copyright notice.
3807 * config/sparc/sol2-gas-bi.h: Likewise.
3808 * config/sparc/sol2-gld.h: Likewise.
3809 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3810 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3811 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3812 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3813 (sparc_elf_asm_named_section): Rename into...
3814 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3816 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3818 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3820 2010-03-02 Jeff Law <law@redhat.com>
3823 * reload1.c (rtx_p, substitute_stack): Declare.
3824 (substitute): Record addresses of changed rtxs.
3825 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3826 Restore the original rtx when complete.
3827 (reload): Free subsitute_stack when complete.
3829 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3831 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3832 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3834 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3835 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3836 Torture Tests): Change from subsection to section.
3838 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3839 Steven Bosscher <steven@gcc.gnu.org>
3841 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3844 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3847 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3848 the assignment from the new induction variable to the assignment
3849 of the value from the original loop PHI function.
3851 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3852 Daniel Jacobowitz <dan@codesourcery.com>
3854 * doc/sourcebuild.texi (Test directives): Clarify options to
3857 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3859 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3860 Disable cfi directives unless GCC and gas agree on using read-only
3861 .eh_frame sections for 64-bit.
3862 * configure: Regenerate.
3864 2010-03-01 Richard Guenther <rguenther@suse.de>
3866 PR tree-optimization/43220
3867 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3868 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3870 2010-03-01 Richard Guenther <rguenther@suse.de>
3871 Martin Jambor <mjambor@suse.cz>
3874 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3875 gimplified parameters.
3877 2010-03-01 Christian Bruel <christian.bruel@st.com>
3879 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3881 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3883 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3885 2010-03-01 Richard Guenther <rguenther@suse.de>
3888 * expr.c (expand_assignment): Use the alias-oracle to tell
3889 if the rhs aliases the result decl.
3891 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3894 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3895 to sol_gt_pch_get_address.
3896 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3897 64-bit, SPARC and x86.
3898 (sol_gt_pch_get_address): New function.
3900 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3902 * toplev.h (inform_n, error_n): Declare.
3903 * diagnostic.c (inform_n, error_n): New function.
3905 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3907 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3908 has no rtl yet when processing local_decls, queue it and recheck
3909 if deferred stack allocation hasn't assigned it rtl.
3911 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3913 * config/sh/sh.c (unspec_bbr_uid): New.
3914 (gen_block_redirect): Use it instead of INSN_UID.
3915 (gen_far_branch): Likewise.
3917 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3919 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3920 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3922 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3924 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3925 (Warning Options): -Wno-conversion-null is valid for
3926 Objective-C++ as well.
3927 * doc/tm.texi (Named Address Spaces): Likewise.
3928 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3929 * doc/tree-ssa.texi (Tree SSA): Likewise.
3931 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3934 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3935 by default. Don't set the default arch for
3936 i[34567]86-*-darwin*|x86_64-*-darwin*.
3938 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3941 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3942 default. Set the default 32bit/64bit archs with $with_arch
3943 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3945 2010-02-27 Richard Guenther <rguenther@suse.de>
3947 PR tree-optimization/43186
3948 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3949 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3950 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3951 unroller iterations.
3953 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3955 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3956 required and i[34567]86-*-* targets don't support 64bit ISA.
3958 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3961 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3964 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3966 * config.gcc: Set the default arch at least to Prescott for
3967 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3968 if SSE math is enabled.
3970 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3972 * diagnostic.c (diagnostic_initialize): Update.
3973 (diagnostic_report_diagnostic): Test inhibit_notes_p for
3975 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
3976 (diagnostic_inhibit_notes): New.
3977 * toplev.c (process_options): inhibit notes with -fcompare-debug.
3979 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3982 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
3983 * doc/standards.texi: Likewise.
3984 * doc/extend.texi: Likewise.
3985 * doc/trouble.texi: Likewise.
3986 * doc/cppopts.texi: Likewise.
3987 * doc/install.texi: Likewise.
3988 * c.opt (std=c90,std=gnu90): New options.
3989 * c-opts.c (c_common_handle_option): Handle them.
3991 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3994 * c-decl.c (undeclared_variable): Use an informative note.
3996 2010-02-26 Richard Guenther <rguenther@suse.de>
3998 PR tree-optimization/43186
3999 * gimple.h (gimple_fold): Remove.
4000 * gimple.c (gimple_fold): Remove. Inline into single user ...
4001 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4002 Try harder for conditions.
4004 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4007 * function.c (used_types_insert): Don't skip through named pointer
4008 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4009 and it is different from the main variant's type.
4011 2010-02-26 Nick Clifton <nickc@redhat.com>
4013 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4015 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4017 * config.gcc: Support --with-fpmath=sse for x86.
4019 * config/i386/ssemath.h: New.
4021 * doc/install.texi (--with-fpmath=sse): Documented.
4023 2010-02-26 Richard Guenther <rguenther@suse.de>
4025 PR tree-optimization/43188
4026 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4027 vector types of over-aligned element type.
4029 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4032 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4033 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4035 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4037 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4039 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4041 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4042 * var-tracking.c: Include diagnostic.h.
4043 (debug_dv): New function.
4044 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4047 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4048 (add_value_chain, add_value_chains, remove_value_chain,
4049 remove_value_chains): Handle DEBUG_EXPRs.
4050 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4053 * regcprop.c (struct queued_debug_insn_change): New type.
4054 (struct value_data_entry): Add debug_insn_changes field.
4055 (struct value_data): Add n_debug_insn_changes field.
4056 (debug_insn_changes_pool): New variable.
4057 (free_debug_insn_changes, apply_debug_insn_changes,
4058 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4059 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4060 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4062 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4064 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4065 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4066 changes, call cprop_find_used_regs via note_stores.
4067 (copyprop_hardreg_forward): When copying vd from predecessor
4068 which has any queued DEBUG_INSN changes, make sure the pointers are
4069 cleared. At the end call df_analyze and then if there are any
4070 DEBUG_INSN changes queued at the end of some basic block for still
4071 live registers, apply them.
4072 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4074 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4076 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4079 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4081 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4082 targets. Set the default with_cpu/with_arch from arch/cpu.
4083 Allow x86-64 and native for with_cpu/with_arch.
4085 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4087 * ebitmap.c: Change calls to verify_popcount with calls to
4088 sbitmap_verify_popcount.
4089 (ebitmap_clear_bit): Fixed map->cacheindex test and
4090 map>cache update when bit clearing results in an empty
4093 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4096 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4097 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4098 and support both V2DF and V2DI modes.
4099 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4100 support both V2DF and V2DI modes.
4101 (general): Delete trailing whitespace from a few patterns.
4103 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4104 V2DF/V2DI interleave high/low builtins.
4106 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4109 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4110 interleave high/low functions.
4112 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4114 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4115 #pragma extern_prefix.
4117 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4120 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4121 BLKmode, assert op0 is a MEM and just adjust its mode.
4124 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4125 if bitpos isn't multiple of mode's bitsize.
4127 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4129 * c.opt (-ftemplate-depth=): New.
4130 (-ftemplate-depth-): Deprecate.
4131 * optc-gen.awk: Handle -ftemplate-depth=.
4132 * opth-gen.awk: Likewise.
4133 * c-opts.c (c_common_handle_option): Likewise.
4134 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4136 2010-02-24 Jason Merrill <jason@redhat.com>
4138 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4140 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4142 * cfg.c (alloc_aux_for_block): Remove inline.
4143 (alloc_aux_for_edge): Likewise.
4145 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4147 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4149 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4151 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4152 * config/i386/sol2-gas.h: New file.
4153 * config.gcc (i[34567]86-*-solaris2*): Use it.
4155 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4158 * c-typeck.c (ep_convert_and_check): New.
4159 (build_conditional_expr): Use it.
4160 (build_binary_op): Likewise.
4162 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4164 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4167 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4168 bounds even for -O+.
4169 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4170 expr needs to have DECL_NAME set.
4172 2010-02-24 Nick Clifton <nickc@redhat.com>
4174 * config/mep/mep.c: Include gimple.h.
4175 (mep_function_uses_sp): Delete unused function.
4176 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4177 parameters. Use unsigned integers to count args. Return a
4178 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4180 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4183 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4184 greater or equal to nelt instead of 2 * nelt.
4185 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4188 2010-02-23 Jason Merrill <jason@redhat.com>
4191 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4192 in cfun->local_decls even if they have register types.
4195 * stor-layout.c (place_field): Don't warn about unnecessary
4196 DECL_PACKED if the type is packed.
4198 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4201 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4202 GOTOFF relocs, even when the base reg isn't pic pointer.
4204 2010-02-23 Michael Matz <matz@suse.de>
4207 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4208 (expand_gimple_basic_block): Generate and use debug temps if there
4209 are debug uses left after the last real use of TERed ssa names.
4210 Unlink debug immediate uses when they are expanded.
4212 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4215 * config/i386/i386.c (override_options): Reorganise to provide
4216 better error messages.
4218 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4221 * graphite-scop-detection.c (create_single_exit_edge): Move
4222 the call to find_single_exit_edge to....
4223 (create_sese_edges): ...here. Don't handle multiple edges
4224 exiting the function.
4225 (build_graphite_scops): Don't handle multiple edges
4226 exiting the function.
4228 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4231 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4232 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4234 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4237 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4239 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4242 * c-typeck.c (convert_arguments): Print declaration location.
4243 * c-common.c (validate_nargs): Rename as
4244 builtin_function_validate_nargs.
4245 (check_builtin_function_arguments): Update.
4247 2010-02-22 Richard Guenther <rguenther@suse.de>
4250 * tree-inline.c (declare_return_variable): Use the type of
4251 the call stmt lhs if available.
4253 2010-02-22 Duncan Sands <baldrick@free.fr>
4255 * passes.c (register_pass): Always consider all pass lists when
4256 ref_pass_instance_number is zero.
4258 2010-02-22 Richard Guenther <rguenther@suse.de>
4260 PR tree-optimization/42749
4261 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4262 parameter. Do arithmetic in the original type.
4263 (update_accumulator_with_ops): Likewise.
4264 (adjust_accumulator_values): Adjust.
4266 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4268 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4269 (QI to BLKmode splitter): New splitter.
4271 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4273 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4274 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4276 2010-02-22 Richard Guenther <rguenther@suse.de>
4278 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4280 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4282 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4283 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4284 ($(T)crti.o, $(T)crtn.o): Remove rules.
4286 2010-02-21 Tobias Burnus <burnus@net-b.de>
4289 * doc/invoke.texi (-fassociative-math): Document that this
4290 option is automatically enabled for Fortran.
4292 2010-02-20 David S. Miller <davem@davemloft.net>
4294 * configure.ac: Test if linker and assembler properly support
4295 GOTDATA_OP relocations.
4296 * configure: Rebuild.
4297 * config.in: Likewise.
4298 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4299 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4300 (movsi_high_pic): Likewise.
4301 (movdi_lo_sum_pic): Likewise.
4302 (movdi_high_pic): Likewise.
4303 (movsi_pic_gotdata_op): New pattern.
4304 (movdi_pic_gotdata_op): Likewise.
4305 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4306 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4308 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4311 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4312 attribute to ssemul.
4313 (xop_mulv2div2di3_high): Ditto.
4315 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4318 * c.opt (Wconversion-null): New option.
4319 * doc/invoke.texi (Wconversion-null): Document.
4321 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4323 * common.opt (Wlarger-than-): Add Undocumented.
4325 2010-02-19 Mike Stump <mikestump@comcast.net>
4327 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4329 2010-02-19 Jason Merrill <jason@redhat.com>
4332 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4333 * configure: Likewise.
4335 2010-02-20 Alan Modra <amodra@gmail.com>
4338 * cgraph.h (cgraph_make_decl_local): Declare.
4339 * cgraph.c (cgraph_make_decl_local): New function.
4340 (cgraph_make_node_local): Use it.
4341 * cgraphunit.c (cgraph_function_versioning): Likewise.
4342 * ipa.c (function_and_variable_visibility): Likewise.
4344 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4347 * except.c (sjlj_emit_function_enter): Don't call
4348 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4350 * rtl.h (add_reg_br_prob_note): Remove prototype.
4352 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4355 * c-common.c (conversion_warning): Remove widening conversions
4356 before checking the conversion of integers to reals.
4358 2010-02-19 Mike Stump <mikestump@comcast.net>
4361 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4364 * cgraphunit.c (process_function_and_variable_attributes): Check
4365 DECL_PRESERVE_P instead of looking up attribute "used".
4366 * ipa-pure-const.c (check_decl): Likewise.
4367 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4368 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4369 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4370 instead of attribute "used".
4371 * config/sol2-c.c (solaris_pragma_init): Likewise.
4372 (solaris_pragma_fini): Likewise.
4374 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4376 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4377 Use XCNEW instead of xcalloc.
4378 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4379 XNEW instead of xmalloc.
4380 (get_fields): Use XNEWVEC instead of xmalloc.
4383 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4384 populate vars array.
4385 (create_new_general_access): For debug stmts just reset value.
4386 (get_stmt_accesses): For accesses within debug stmts just record them
4387 using add_access_to_acc_sites instead of preventing the peeling or
4388 counting them as accesses.
4391 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4393 2010-02-19 Richard Guenther <rguenther@suse.de>
4395 PR tree-optimization/42916
4396 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4399 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4401 * configure.ac: Replace all uses of changequote in macro arguments
4402 with proper quoting.
4404 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4407 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4409 2010-02-19 Richard Guenther <rguenther@suse.de>
4411 PR tree-optimization/42944
4412 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4413 test for aliasing with errno.
4415 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4418 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4419 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4420 * dojump.c: Include output.h.
4421 (inv): New inline function.
4422 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4423 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4424 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4425 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4426 argument, pass it down to other calls.
4427 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4428 add REG_BR_PROB note to the conditional jump.
4429 * cfgexpand.c (add_reg_br_prob_note): Removed.
4430 (expand_gimple_cond): Don't call it, add the probability
4431 as last argument to jumpif_1/jumpifnot_1.
4432 * Makefile.in (dojump.o): Depend on output.h.
4433 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4435 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4436 * stmt.c (do_jump_if_equal): Likewise.
4437 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4438 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4439 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4441 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4442 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4443 jumpifnot_1 callers.
4444 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4446 (store_expr): Adjust jumpifnot caller.
4447 (store_constructor): Adjust jumpif caller.
4450 * gimplify.c (gimple_boolify): For __builtin_expect call
4451 gimple_boolify also on its first argument.
4453 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4455 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4457 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4458 * configure: Regenerated.
4460 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4462 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4463 lang_hooks.types_compatible_p instead of comptypes.
4465 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4467 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4468 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4469 if __prefer_thumb__ is defined.
4471 2010-02-18 Martin Jambor <mjambor@suse.cz>
4473 PR tree-optimization/43066
4474 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4475 array with zero-sized element type.
4477 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4479 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4480 rtx, allocate struct var_loc_node here and return it to the
4481 caller, and only if it is actually needed.
4482 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4483 move it earlier and return immediately if it returns NULL.
4485 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4487 * config/sparc/gas.h: New file. Restore
4488 TARGET_ASM_NAMED_SECTION to its ELF default.
4489 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4491 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4492 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4493 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4494 after sparc/sysv4.h.
4496 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4498 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4500 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4502 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4503 patterns from predicated pattern.
4505 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4508 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4509 for insn mnemonic suffix.
4511 2010-02-17 Richard Guenther <rguenther@suse.de>
4513 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4516 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4519 * caller-save.c (save_call_clobbered_regs): If BB ends with
4520 a DEBUG_INSN, move any notes in between last real insn and the last
4521 DEBUG_INSN after the last DEBUG_INSN.
4523 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4525 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4526 Fix return type. Fix argument type. Explain meaning of return value.
4528 2010-02-16 Richard Guenther <rguenther@suse.de>
4530 PR tree-optimization/41043
4531 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4532 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4534 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4536 2010-02-16 Ira Rosen <irar@il.ibm.com>
4538 PR tree-optimization/43074
4539 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4540 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4541 vectorizable cycles in hybrid SLP check.
4542 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4544 2010-02-16 Richard Guenther <rguenther@suse.de>
4546 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4547 (true_dependence): If memrefs_conflict_p computes must-alias
4548 trust it. Move TBAA check after offset-based disambiguation.
4549 (canon_true_dependence): Likewise.
4551 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4553 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4554 * doc/invoke.texi: Document it.
4555 * var-tracking.c: Include toplev.h and params.h.
4556 (vt_find_locations): Return bool indicating success. Compute
4557 hash sizes unconditionally. Check new parameter, report.
4558 (variable_tracking_main_1): Check vt_find_locations results and
4559 retry. Renamed from...
4560 (variable_tracking_main): ... this. New wrapper to preserve
4561 flag_var_tracking_assignments.
4562 * Makefile.in (var-tracking.o): Adjust dependencies.
4564 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4565 Jakub Jelinek <jakub@redhat.com>
4568 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4569 if weak_import attribute is present.
4570 * config/darwin.c (machopic_select_section): Likewise.
4572 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4574 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4575 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4576 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4577 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4579 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
4582 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4585 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4586 Rewrite text to refer to the names.
4588 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4590 * config/i386/i386-builtin-types.def
4591 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4592 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4593 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4594 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4595 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4596 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4597 IX86_BUILTIN_VPERMIL2PS256.
4598 (MULTI_ARG_4_DF2_DI_I): Defined.
4599 (MULTI_ARG_4_DF2_DI_I1): Defined.
4600 (MULTI_ARG_4_SF2_SI_I): Defined.
4601 (MULTI_ARG_4_SF2_SI_I1): Defined.
4602 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4603 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4604 __builtin_ia32_vpermil2ps256.
4605 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4606 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4607 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4608 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4609 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4610 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4611 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4612 CODE_FOR_xop_vpermil2v8sf3.
4613 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4614 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4615 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4616 (_mm256_permute2_pd): New.
4617 (_mm_permute2_ps): New.
4618 (_mm256_permute2_ps): New.
4620 2010-02-15 Nick Clifton <nickc@redhat.com>
4622 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4623 boolean parameters. Use emit_jump_insn when emitting a pop
4624 instruction containing a return insn.
4625 (push): Use 'true' rather than '1' as second parameter to F.
4626 (h8300_expand_prologue): Likewise.
4627 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4628 (h8300_expand_epilogue): Likewise.
4630 2010-02-15 Richard Guenther <rguenther@suse.de>
4633 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4636 2010-02-15 Nick Clifton <nickc@redhat.com>
4638 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4641 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4643 * intl.c (fake_ngettext): New function.
4644 * intl.h (fake_ngettext): Declare.
4645 (ngettext): Define macro.
4646 * collect2.c (notice_translated): New function.
4647 (main): Use notice_translated and ngettext.
4648 * collect2.h (notice_translated): Declare.
4650 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4652 * reorg.c (delete_computation): Comment fixes.
4653 * caller-save.c (setup_save_areas): Idem.
4654 * sel-sched-dump.c (dump_lv_set): Idem.
4657 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4659 * config/s390/s390.c (s390_sched_init): New function.
4660 (TARGET_SCHED_INIT): Target hook defined.
4662 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4663 Jack Howarth <howarth@bromo.med.uc.edu>
4664 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4667 Partial revert of unintended change in fix for PR41605.
4668 * config/darwin.h: Fix typo.
4669 * config/darwin9.h: Same.
4671 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4673 * c-pch.c (pch_init): Clear v.
4675 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4678 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4679 graphite_can_represent_init for MULT_EXPR.
4681 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4685 * graphite-sese-to-poly.c (remove_phi): New.
4686 (translate_scalar_reduction_to_array): Call remove_phi.
4688 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4691 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4692 * graphite-clast-to-gimple.h (gloog): Update declaration.
4693 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4694 * graphite-poly.h (struct poly_bb): Add missing comments.
4695 (struct scop): Add poly_scop_p field.
4697 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4698 * graphite.c (graphite_transform_loops): Build the polyhedral
4699 representation for each scop before code generation.
4700 * sese.c (rename_variables_in_operand): Removed.
4701 (rename_variables_in_expr): Return the renamed expression.
4702 (rename_sese_parameters): New.
4703 * sese.h (rename_sese_parameters): Declared.
4705 2010-02-11 Richard Guenther <rguenther@suse.de>
4707 PR tree-optimization/42998
4708 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4709 POINTER_PLUS_EXPR properly.
4711 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4712 Changpeng Fang <changpeng.fang@amd.com>
4715 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4716 the cost of an IV candidate when the IV is used in a test against zero.
4718 * gcc.dg/tree-ssa/ivopts-3.c: New.
4720 2010-02-11 Richard Guenther <rguenther@suse.de>
4723 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4724 pointer-vs-decl case by swapping refs. Handle some cases
4725 of pointer-vs-decl disambiguations more conservatively.
4726 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4727 to false after expanding.
4729 2010-02-11 Richard Guenther <rguenther@suse.de>
4732 * gcc.c (process_command): Handle LTO file@offset case more
4735 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4737 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4738 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4740 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4742 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4743 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4744 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4745 Optimize eq/ne comparisons when both arguments are known to be
4747 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4748 Don't mask operands unnecessarily if they are known to be already
4751 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4753 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4756 2010-02-10 Richard Guenther <rguenther@suse.de>
4758 PR tree-optimization/43017
4759 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4760 for wrapping signed arithmetic.
4762 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4765 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4766 if no debug info should be emitted for it.
4768 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4770 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4771 note when flag_exceptions is set.
4773 2010-02-10 Duncan Sands <baldrick@free.fr>
4775 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4777 2010-02-10 Richard Guenther <rguenther@suse.de>
4780 * tree.c (get_unwidened): Handle constants.
4781 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4783 2010-02-10 Martin Jambor <mjambor@suse.cz>
4786 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4787 check for variable argument counts independently.
4789 2010-02-10 Christian Bruel <christian.bruel@st.com>
4792 * config/sh/sh.c (find_barrier): Increase length for non delayed
4793 conditional branches.
4795 2010-02-10 Christian Bruel <christian.bruel@st.com>
4797 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4799 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4801 * builtins.c (set_builtin_user_assembler_name): Also handle
4802 ffs if int is smaller than word.
4804 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4807 * ira-conflicts.c (get_dup): Remove.
4808 (process_reg_shuffles): Add new parameter. Use it as an
4809 additional guard for copy generation.
4810 (add_insn_allocno_copies): Rewrite.
4812 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4814 * common.opt (fsched2-use-traces): Preserved for backward
4816 * doc/invoke.texi: Remove the documentation about option
4817 -fsched2-use-traces.
4818 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4819 flag_sched2_use_traces.
4820 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4821 the backward compatibility flag section.
4823 2010-02-09 Richard Guenther <rguenther@suse.de>
4825 PR tree-optimization/43008
4826 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4827 make HEAP variables initialized from global memory if they
4828 are not known builtin functions.
4829 (find_func_aliases): Adjust.
4831 2010-02-09 Richard Guenther <rguenther@suse.de>
4833 PR tree-optimization/43000
4834 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4835 arithmetic manually.
4837 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4839 PR tree-optimization/42931
4840 * tree-loop-linear.c (try_interchange_loops): Don't call
4841 double_int_mul if estimated_loop_iterations failed.
4843 2010-02-08 Martin Jambor <mjambor@suse.cz>
4846 * tree-sra.c (build_accesses_from_assign): Do not mark in
4847 should_scalarize_away_bitmap if stmt has volatile ops.
4848 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4851 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4853 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4855 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4857 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4860 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4863 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4865 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4868 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4869 to unknown_dependence.
4870 (graphite_legal_transform_dr): Handle the unknown_dependence.
4871 (graphite_carried_dependence_level_k): Same.
4873 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4875 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4877 2010-02-07 Richard Guenther <rguenther@suse.de>
4880 * expr.c (get_inner_reference): Always initialize *pbitsize.
4882 2010-02-07 Richard Guenther <rguenther@suse.de>
4885 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
4886 new ARRAY_REFs on variable size element or minimal index arrays.
4888 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
4889 gimple_fold_indirect_ref.
4891 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
4894 * arm.c (arm_override_options): Just return if the user has specified
4895 an invalid fpu name.
4897 2010-02-03 Jason Merrill <jason@redhat.com>
4900 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
4901 i386_pe_maybe_record_exported_symbol.
4903 2010-02-05 Steve Ellcey <sje@cup.hp.com>
4906 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4907 (pa_delegitimize_address): New function.
4909 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
4911 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
4912 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
4914 2010-02-05 Richard Guenther <rguenther@suse.de>
4917 * lto-streamer-in.c (get_resolution): Deal with references
4918 to undefined functions.
4920 2010-02-05 Richard Guenther <rguenther@suse.de>
4922 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
4923 (fold_const_aggregate_ref): Likewise.
4924 (ccp_fold_stmt): Substitute loads.
4925 (maybe_fold_reference): Verify types before substituting.
4927 (fold_gimple_assign): Unshare properly.
4928 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
4930 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
4932 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
4933 for rs6000_gen_cell_microcode.
4935 2010-02-04 Richard Guenther <rguenther@suse.de>
4937 PR rtl-optimization/42952
4938 * dse.c (const_or_frame_p): Remove MEM handling.
4940 2010-02-04 Nick Clifton <nickc@redhat.com>
4942 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
4943 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
4944 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
4945 (mn10300_asm_output_mi_thunk): New function.
4946 (mn10300_can_output_mu_thunk): New function.
4947 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
4948 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
4949 (FUNCTION_ARG): Delete incorrect comment.
4951 2010-02-03 Jason Merrill <jason@redhat.com>
4954 * fold-const.c (operand_equal_p): Handle erroneous types.
4956 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4958 * config/h8300/h8300.md (can_delay): Fix attibute condition.
4960 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
4962 PR rtl-optimization/42941
4963 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
4966 2010-02-03 Jason Merrill <jason@redhat.com>
4969 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
4971 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
4974 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
4975 (cselib_reset_table): Renamed from...
4976 (cselib_reset_table_with_next_value): ... this.
4977 (cselib_get_next_uid): Renamed from...
4978 (cselib_get_next_unknown_value): ... this.
4979 * cselib.c (next_uid): Renamed from...
4980 (next_unknown_value): ... this.
4981 (cselib_clear_table): Adjust.
4982 (cselib_reset_table): Adjust. Renamed from...
4983 (cselib_reset_table_with_next_value): ... this.
4984 (cselib_get_next_uid): Adjust. Renamed from...
4985 (cselib_get_next_unknown_value): ... this.
4986 (get_value_hash): Use hash.
4987 (cselib_hash_rtx): Likewise.
4988 (new_cselib_val): Adjust. Set and dump uid.
4989 (cselib_lookup_mem): Pass next_uid as hash.
4990 (cselib_subst_to_values): Likewise.
4991 (cselib_log_lookup): Dump uid.
4992 (cselib_lookup): Pass next_uid as hash. Adjust.
4993 (cselib_process_insn): Adjust.
4994 (cselib_init): Initialize next_uid.
4995 (cselib_finish): Adjust.
4996 (dump_cselib_table): Likewise.
4997 * dse.c (canon_address): Dump value uid.
4998 * print-rtl.c (print_rtx): Print value uid.
4999 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5001 (dv_uid): New function, sort of renamed from...
5002 (dv_htab_hash): ... this, reimplemented in terms of it and...
5003 (dv_uid2hash): ... this. New.
5004 (variable_htab_eq): Drop excess assertions.
5005 (tie_break_pointers): Removed.
5006 (canon_value_cmp): Compare uids.
5007 (variable_post_merge_New_vals): Print uids.
5008 (vt_add_function_parameters): Adjust.
5009 (vt_initialize): Reset table. Adjust.
5011 2010-02-03 Richard Guenther <rguenther@suse.de>
5013 PR tree-optimization/42944
5014 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5015 (call_may_clobber_ref_p_1): Likewise. Properly handle
5016 malloc and calloc clobbering errno.
5018 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5020 * doc/invoke.texi: Fix name of sched1 dump.
5022 * opts.c (decode_options): Set flag_tree_switch_conversion
5023 only conditionally on optimize >= 2.
5025 * gcse.c: Assorted comment fixes in pass description.
5027 2010-02-03 Anthony Green <green@moxielogic.com>
5029 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5030 nop padding in order to maintain alignment of storage location of
5031 target function address.
5032 (moxie_trampoline_init): Store target function address at newly
5034 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5036 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5038 2010-02-03 Richard Guenther <rguenther@suse.de>
5041 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5043 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5045 * config.gcc: Reenable check for obsolete targets.
5046 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5047 mips-sgi-irix6.[0-4]*.
5049 2010-02-02 Nick Clifton <nickc@redhat.com>
5051 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5052 constant size of 4 as being the same as 0.
5053 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5054 can take values in the range 0..4.
5056 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5059 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5060 as _darwin10_Unwind_FindEnclosingFunction().
5061 * libgcc-libsystem.ver: New.
5063 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5066 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5067 implicitly set registers.
5069 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5071 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5072 (arm_override_options): Allow automatic selection of the thread
5073 pointer register if thumb2.
5074 (legitimize_pic_address): Improve code sequences for Thumb2.
5075 (arm_call_tls_get_addr): Likewise.
5076 (legitimize_tls_address): Likewise.
5077 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5078 (pic_load_addr_32bit): ... this. New named pattern.
5079 * thumb2.md (pic_load_addr_thumb2): Delete.
5080 (pic_load_dot_plus_four): Delete.
5081 (tls_load_dot_plus_four): New named pattern.
5083 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5086 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5087 Document fix for TLS bug.
5089 2010-01-31 Richard Guenther <rguenther@suse.de>
5091 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5092 conservatively correct.
5094 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5098 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5100 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5102 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5104 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5106 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5108 * config.gcc: Adjust order of makefile fragments for mingw targets.
5110 2010-01-31 Richard Guenther <rguenther@suse.de>
5113 * gimplify.c (gimplify_init_constructor): For volatile LHS
5114 initialize a temporary.
5116 2010-01-31 Matthias Klose <doko@ubuntu.com>
5118 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5120 * configure: Regenerate.
5122 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5124 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5125 the same alias set and their sizes different constantness.
5126 (aliasing_component_refs_p): Revert 2009-10-24 change.
5128 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5130 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5133 2010-01-29 Richard Guenther <rguenther@suse.de>
5135 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5136 Assert we successfully updated the call.
5138 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5140 PR rtl-optimization/42889
5141 * df.h (df_set_bb_dirty_nonlr): New prototype.
5142 * df-core.c (df_set_bb_dirty_nonlr): New function.
5143 * df-scan.c (df_insn_rescan): Call it instead of
5144 df_set_bb_dirty for DEBUG_INSNs.
5146 2010-01-29 Richard Guenther <rguenther@suse.de>
5149 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5150 quadratic behavior in most cases.
5152 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5155 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5156 in the call to gen_x86_movsicc_0_m1.
5158 2010-01-28 Richard Guenther <rguenther@suse.de>
5160 PR tree-optimization/42871
5161 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5163 2010-01-28 Richard Guenther <rguenther@suse.de>
5165 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5166 into call arguments.
5168 2010-01-28 Richard Guenther <rguenther@suse.de>
5171 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5172 the forwarder if the destination is an EH landing pad.
5174 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5176 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5177 block list passed to gimple_duplicate_sese_tail.
5178 (parallelize_loops): Avoid parallelization when the function
5180 Avoid parallelization when the preheader is IRREDUCIBLE.
5181 Try to optimize when estimated_loop_iterations_int is unresolved.
5182 Add the loop's location to the dump file.
5183 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5184 (gimple_duplicate_sese_tail): Remove the check for the latch.
5185 Redirect nexits to the exit block.
5186 Remove handling of the incoming edges to the latch.
5187 Redirect the backedge from the copied latch to the exit bb.
5189 2010-01-28 Michael Matz <matz@suse.de>
5192 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5193 Wrap force_reg into a sequence, emit it before user.
5195 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5197 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5199 (arm_legacy_rev): Likewise.
5200 (thumb_legacy_rev): Likewise.
5202 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5204 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5205 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5206 on MEM's address failed, try avoid_constant_pool_reference and
5207 recurse if it returned something different.
5208 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5209 address, try avoid_constant_pool_reference and recurse if it
5210 returned something different.
5211 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5212 address and avoid_constant_pool_reference returned something
5213 different, don't set have_address.
5215 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5218 * var-tracking.c (val_store): Add modified argument, obey it.
5220 (count_uses): Move down logging of main.
5221 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5222 don't need resolution.
5223 (emit_notes_in_bb): Likewise.
5225 2010-01-27 Richard Guenther <rguenther@suse.de>
5228 * tree-inline.c (remap_decl): Delay remapping of SSA name
5229 default definitions until we need them.
5231 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5233 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5234 (rs6000_delegitimize_address): New function.
5236 * config/s390/s390.c (s390_delegitimize_address): Call
5237 delegitimize_mem_from_attrs.
5240 * tree-inline.c (cannot_copy_type_1): Removed.
5241 (copy_forbidden): Don't forbid copying of functions containing
5242 records/unions with variable length fields.
5244 2010-01-27 Christian Bruel <christian.bruel@st.com>
5248 * config/sh/sh.c (find_barrier): Increase length for non delayed
5249 conditional branches.
5251 2010-01-27 Matthias Klose <doko@ubuntu.com>
5253 * configure.ac (gnu-unique-object): Fix ldd version check.
5254 * configure: Regenerate.
5256 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5258 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5260 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5261 Test for HAVE_GNU_AS value.
5263 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5265 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5266 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5267 INT64_TYPE): Define.
5268 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5269 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5270 INT_LEAST64_TYPE): Define.
5271 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5272 UINT_LEAST64_TYPE): Define.
5273 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5274 INT_FAST64_TYPE): Define.
5275 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5276 UINT_FAST64_TYPE): Define.
5277 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5278 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5279 (SIG_ATOMIC_TYPE): Define.
5281 2010-01-26 Richard Guenther <rguenther@suse.de>
5283 * df-scan.c (df_scan_set_bb_info): Remove assert.
5284 (df_insn_rescan_debug_internal): Merge asserts.
5285 (df_install_ref): Likewise.
5286 (df_mark_reg): Use bitmap_set_range.
5287 (df_hard_reg_used_p): Remove assert.
5288 (df_hard_reg_used_count): Likewise.
5290 2010-01-26 Richard Guenther <rguenther@suse.de>
5292 PR rtl-optimization/42685
5293 * web.c (web_main): Ignore DEBUG_INSNs.
5295 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5297 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5299 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5300 Fix types of fndecl and arglist parameters.
5302 2010-01-26 Richard Guenther <rguenther@suse.de>
5305 * tree-eh.c (unsplit_eh): Skip debug insns.
5307 2010-01-26 Richard Guenther <rguenther@suse.de>
5309 PR tree-optimization/42250
5310 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5312 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5315 * omp-low.c (expand_omp_sections): Only use single_pred if
5316 l2_bb is single_pred_p.
5318 2010-01-25 Christian Bruel <christian.bruel@st.com>
5321 * config/sh/sh.c (find_barrier): Increase length for non delayed
5322 conditional branches.
5323 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5325 2010-01-24 David S. Miller <davem@davemloft.net>
5327 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5328 define if not using GAS.
5329 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5330 Likewise. Delete SECTION_MERGE code, which is only applicable
5333 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5336 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5337 mangling of va_list in system headers.
5339 2010-01-23 Toon Moene <toon@moene.org>
5341 * tree-predcom.c (combine_chains): Return NULL, not false.
5343 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5345 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5346 initialization of variable res to agree with return type.
5348 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5350 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5351 * tree-sra.c: Add include of expr.h.
5353 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5355 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5356 insert the debug stmt on the single non-EH edge from the stmt.
5358 2010-01-22 Richard Henderson <rth@redhat.com>
5361 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5362 the RHS until after generate_subtree_copies has insertted its
5363 code before the current statement.
5365 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5367 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5369 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5371 2010-01-21 Martin Jambor <mjambor@suse.cz>
5373 PR tree-optimization/42585
5374 * tree-sra.c (struct access): New field grp_total_scalarization.
5375 (dump_access): Dump the new field.
5376 (should_scalarize_away_bitmap): New variable.
5377 (cannot_scalarize_away_bitmap): Likewise.
5378 (sra_initialize): Allocate new bitmaps.
5379 (sra_deinitialize): Free new bitmaps.
5380 (create_access_1): New function.
5381 (create_access): Parts moved to create_access_1.
5382 (type_consists_of_records_p): New function.
5383 (completely_scalarize_record): Likewise.
5384 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5385 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5386 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5388 (analyze_all_variable_accesses): Completely scalarize small eligible
5391 2010-01-21 Martin Jambor <mjambor@suse.cz>
5393 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5395 2010-01-21 Andrew Haley <aph@redhat.com>
5397 * gcc.c (process_command): Move lang_specific_driver before
5398 setting cc_libexec_prefix.
5400 2010-01-21 Richard Guenther <rguenther@suse.de>
5403 * fold-const.c (negate_expr_p): Pretend only negative
5404 real constants are easily negatable.
5406 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5407 Jason Merrill <jason@redhat.com>
5409 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5410 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5411 * calls.c (initialize argument_information): Handle it.
5412 * c-common.c (handle_transparent_union_attribute): Use new name.
5413 * c-decl.c (finish_struct): Ditto.
5414 * c-typeck.c (type_lists_compatible_p): Ditto.
5415 (convert_for_assignment): Use new name and also handle record.
5416 * function.c (aggregate_value_p): Handle it.
5417 (pass_by_reference): Ditto.
5418 (assign_parm_data_types): Ditto.
5419 * print-tree.c (print_node): Ditto.
5420 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5421 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5422 * tree.c (first_field): New fn.
5424 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5427 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5428 even when linking statically, for now.
5430 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5433 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5434 without a cselib val.
5435 (count_uses): Accept MO_VAL_SET with no val on stores.
5436 (add_stores): Likewise.
5438 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5440 * var-tracking.c (check_value_val): Add a compile time assertion.
5441 (dv_is_decl_p): Simplify.
5442 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5443 gcc_assert if ENABLE_CHECKING.
5445 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5448 * var-tracking.c: Include tree-flow.h.
5449 (mem_dies_at_call): New.
5450 (dataflow_set_preserve_mem_locs): Use it.
5451 (dataflow_set_remove_mem_locs): Likewise.
5452 (dump_var): Renamed from dump_variable. Adjust all callers.
5453 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5454 * Makefile.in (var-tracking.o): Adjust deps.
5456 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5458 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5460 2010-01-20 Richard Guenther <rguenther@suse.de>
5462 PR tree-optimization/42717
5463 * tree-ssa-dce.c (get_live_post_dom): Remove.
5464 (forward_edge_to_pdom): Take an arbitrary edge to copy
5465 degenerate PHI args from.
5466 (remove_dead_stmt): Use the first post-dominator even if it
5467 does not contain live statements as redirection destination.
5469 2010-01-20 Richard Guenther <rguenther@suse.de>
5471 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5473 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5475 * sel-sched.c (create_speculation_check): Remove set but not used
5477 (try_transformation_cache): Remove set but not used variable ds.
5478 (calculate_privileged_insns): Remove set but not used variables
5479 cur_insn and min_spec_insn.
5480 (find_best_expr): Remove set but not used variable avail_n.
5481 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5483 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5485 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5486 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5489 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5492 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5493 cpu types. Add support for *-sse3 cpu types.
5494 (x86_64-*-*): Ditto.
5496 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5499 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5500 argument, call initializer_constant_valid_p_1 instead of
5501 initializer_constant_valid_p, pass CACHE to it, return NULL
5502 immediately if first call returns NULL.
5503 (initializer_constant_valid_p_1): New function.
5504 (initializer_constant_valid_p): Use it.
5506 2010-01-20 Thomas Quinot <quinot@adacore.com>
5508 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5510 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5512 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5513 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5514 (loc_list_from_tree): Don't handle unsigned division. Handle
5515 signed modulo using DW_OP_{over,over,div,mul,minus}.
5516 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5517 modulo instead of signed.
5519 2010-01-20 DJ Delorie <dj@redhat.com>
5521 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5523 (h8300_emit_stack_adjustment): Propogate it.
5525 (h8300_expand_prologue): Likewise.
5526 (h8300_expand_epilogue): Likewise.
5528 2010-01-19 Michael Matz <matz@suse.de>
5530 PR tree-optimization/41783
5531 * tree-data-ref.c (toplevel): Include flags.h.
5532 (dump_data_dependence_relation): Also dump the inputs if the
5533 result will be unknown.
5534 (split_constant_offset_1): Look through some conversions.
5535 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5536 the offset from last element is too large.
5537 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5538 (reassociate_to_the_same_stmt): Handle vector registers.
5539 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5541 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5542 wide_prolog_niters argument, emit widening instructions.
5543 (vect_do_peeling_for_alignment): Adjust caller, use widened
5544 variant of the iteration cound.
5545 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5547 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5550 * config/arm/neon-testgen.m (emit_automatics): New parameter
5551 features. Adjust for Fixed_return_reg feature.
5552 (test_intrinsic): Call emit_automatics with new feature.
5553 * config/arm/neon.ml: Update copyright years.
5554 (features): New Fixed_return_reg feature.
5555 (ops): Update feature for Vget_low.
5557 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5559 PR tree-optimization/42719
5560 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5564 * fwprop.c (all_uses_available_at): Return false if def_set dest
5565 is a REG that is used in def_insn.
5567 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5569 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5571 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5574 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5576 * target.h (struct gcc_target) <secondary_reload>: Change type
5577 of last argument to secondary_reload_info *.
5579 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5582 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5583 memory references with unaligned offsets. Remove CQImode handling.
5584 (unaligned_memory_operand): Return 1 for memory references with
5585 unaligned offsets. Remove CQImode handling.
5587 2010-01-18 Richard Guenther <rguenther@suse.de>
5590 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5593 2010-01-18 Richard Guenther <rguenther@suse.de>
5595 PR tree-optimization/42781
5596 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5597 restrict processing only if the original variable was artificial.
5599 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5601 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5602 find number of popped argument bytes.
5604 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5605 Fix the text that describes the return value for invalid insns.
5607 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5609 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5610 Clarify what 'cost of the -dependence' is. Fix quoting.
5612 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5613 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5615 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5617 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5618 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5620 2010-01-17 Richard Guenther <rguenther@suse.de>
5623 * function.c (split_complex_args): Take a VEC to modify.
5624 (assign_parms_augmented_arg_list): Build a VEC instead of
5625 a chain of PARM_DECLs.
5626 (assign_parms_unsplit_complex): Take a VEC of arguments.
5627 Do not fixup unmodified parms.
5628 (assign_parms): Deal with the VEC.
5629 (gimplify_parameters): Likewise.
5631 2010-01-17 Richard Guenther <rguenther@suse.de>
5633 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5634 node existence check.
5635 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5636 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5637 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5638 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5639 (gimple_execute_on_growing_pred): Likewise.
5641 2010-01-17 Richard Guenther <rguenther@suse.de>
5643 PR tree-optimization/42773
5644 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5645 (compute_antic_aux): Likewise.
5646 (compute_partial_antic_aux): Likewise.
5648 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5651 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5654 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5656 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5659 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5660 Fix markup for strict argument.
5662 (TARGET_SCHED_REORDER2): Fix argument types.
5664 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5665 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5667 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5668 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5670 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5673 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5674 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5675 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5676 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5677 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5679 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5681 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5683 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5684 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5686 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5688 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5691 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5693 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5694 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5696 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5698 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5700 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5701 referring to it. Fix language.
5703 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5705 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5707 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5709 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5711 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5712 '@var{stream}. Remove stray 'and'.
5714 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5716 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5718 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5720 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5721 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5723 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5724 Fix description of return value.
5725 Rename argument "sz" to "len."
5727 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5728 Clarify meaning of 'true' return value.
5730 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5732 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5733 rep_mode versus mode_rep.
5735 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5737 (TARGET_BUILTIN_DECL): Fix name.
5739 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5741 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5743 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5745 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5747 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5749 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5752 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5753 Rename argument tm_fn to md_fn.
5755 (TARGET_OPTION_PRINT): Fix argument list.
5757 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5760 * config/i386/i386.c (ix86_fixup_binary_operands):
5761 Revert FMA4 fixup of operands.
5763 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5766 * Makefile.in (write_entries_to_file, install-plugin):
5767 Use \012 instead of \n with tr.
5769 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5771 * configure.ac (HAVE_AS_REF): New C macro.
5772 * configure: Regenerate.
5773 * config.in: Likewise.
5774 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5776 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5779 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5781 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5783 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5785 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5787 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5789 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5791 (TARGET_BINDS_LOCAL_P): Fix argument type.
5793 (TARGET_ASM_FILE_END): Use prototype.
5795 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5797 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5799 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5801 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5803 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5804 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5806 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5807 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5809 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5810 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5811 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5812 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5814 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5816 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5818 (TARGET_INIT_BUILTINS): Use prototype.
5820 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5821 Put 'const char *' in braces. Fix parameter types.
5822 (TARGET_INVALID_CONVERSION): Fix parameter types.
5823 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5824 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5826 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5829 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5831 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5833 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5835 * doc/tm.texi (TARGET_HELP): Fix return type.
5837 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5838 in braces. Fix argument types.
5840 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5842 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5844 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5846 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5847 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5849 (TARGET_MANGLE_TYPE): Fix argument types.
5851 (TARGET_IRA_COVER_CLASSES): Use prototype.
5853 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5855 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5857 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5859 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5861 (TARGET_CALLEE_COPIES): Fix argument types.
5863 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5865 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5867 (TARGET_FUNCTION_VALUE): Fix argument types.
5869 (TARGET_RETURN_IN_MSB): Fix argument type.
5871 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5873 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5875 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5877 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5878 agree with return type.
5880 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5882 2010-01-15 Jing Yu <jingyu@google.com>
5884 PR rtl-optimization/42691
5885 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
5886 a pseudo to a constant and are merged, and adjust comments.
5888 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
5890 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
5892 2010-01-15 Richard Guenther <rguenther@suse.de>
5895 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
5896 labels of computed or non-local gotos to the destination.
5897 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
5898 landing pad label is the first label.
5900 2010-01-15 Richard Guenther <rguenther@suse.de>
5902 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
5904 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5907 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
5908 to allow generation of the xssqrtdp instruction on power7.
5909 (sqrtdf2_fpr): Ditto.
5911 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5914 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
5915 functions with noreturn attribute.
5918 * varasm.c (declare_weak): Add weak attribute to decl if it
5919 doesn't have one already.
5920 (assemble_external): Only add decls to weak_decls if they also
5921 have weak attribute.
5923 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
5925 * var-tracking.c (var_reg_delete): Don't delete the association
5926 between REGs and values or one-part variables if the register
5929 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5932 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
5933 because its first operand is a non-localized variable.
5935 2010-01-14 Martin Jambor <mjambor@suse.cz>
5937 PR tree-optimization/42706
5938 * tree-sra.c (encountered_recursive_call): New variable.
5939 (encountered_unchangable_recursive_call): Likewise.
5940 (sra_initialize): Initialize both new variables.
5941 (callsite_has_enough_arguments_p): New function.
5942 (scan_function): Call decl and flags check only for IPA-SRA, check
5943 whether there is a recursive call and whether it has enough arguments.
5944 (all_callers_have_enough_arguments_p): New function.
5945 (convert_callers): Look for recursive calls only when
5946 encountered_recursive_call is set.
5947 (ipa_early_sra): Bail out either if
5948 !all_callers_have_enough_arguments_p or
5949 encountered_unchangable_recursive_call.
5951 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5953 * sel-sched.c: Add 2010 to copyright years.
5954 * sel-sched-ir.c: Likewise.
5955 * sel-sched-ir.h: Likewise.
5957 2010-01-14 Martin Jambor <mjambor@suse.cz>
5959 PR tree-optimization/42714
5960 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
5961 constructors specially.
5963 2010-01-14 Andi Kleen <ak@linux.intel.com>
5965 * config/i386/drivers-i386.c (detect_caches_intel):
5966 Add l2sizekb parameter and fill in.
5967 (host_detect_local_cpu): Add l2sizekb, fill in.
5968 Add Atom small cache heuristic.
5970 2010-01-14 Andi Kleen <ak@linux.intel.com>
5972 * config/i386/drivers-i386.c (detect_caches_cpuid4):
5973 Add level3 parameter and fill in.
5974 (detect_caches_intel): Handle level3 cache.
5976 2010-01-14 Andi Kleen <ak@linux.intel.com>
5978 * config/i386/drivers-i386.c (host_detect_local_cpu):
5979 Fix core duo detection.
5981 2010-01-14 Andi Kleen <ak@linux.intel.com>
5983 * config/i386/drivers-i386.c (host_detect_local_cpu):
5986 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5988 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
5989 (rs6000_variable_issue_1): this. Use...
5990 (rs6000_variable_issue): here. Reimplement. Print debug info.
5992 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5994 * sel-sched-ir.c (sel_restore_other_notes): Rename to
5995 sel_restore_notes. Update all callers. Call reemit_notes
5998 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6000 PR rtl-optimization/42246
6001 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6004 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6006 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6007 all successors is the same as number of successors in current region.
6009 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6011 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6012 to rename is not separable. Otherwise check that its LHS is not NULL.
6014 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6016 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6018 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6020 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6021 available registers when failed to discover LHS register class.
6022 Fix indentation. Update comment.
6024 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6025 Alexander Monakov <amonakov@ispras.ru>
6027 PR rtl-optimization/42389
6028 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6030 (advance_state_on_fence): Likewise.
6031 (sel_target_adjust_priority): Print debug output only when
6032 sched_verbose >= 4, not 2.
6033 (get_expr_cost): Do not issue all unique insns on the next cycle.
6034 (fill_insns): Initialize can_issue_more from the value saved
6036 * sel-sched-ir.c (flist_add): New parameter issue_more.
6037 Init FENCE_ISSUE_MORE with it.
6038 (merge_fences): Likewise.
6039 (init_fences): Update call to flist_add.
6040 (add_to_fences, add_clean_fence_to_fences)
6041 (add_dirty_fence_to_fences): Likewise.
6042 (move_fence_to_fences): Update call to merge_fences.
6043 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6045 * sel-sched-ir.h (struct _fence): New field issue_more.
6046 (FENCE_ISSUE_MORE): New accessor macro.
6048 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6050 PR rtl-optimization/42388
6051 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6052 that have no predecessors nor successors. Do not call move_bb_info
6053 for empty blocks outside of current region.
6055 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6057 PR rtl-optimization/42294
6058 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6059 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6060 originators' originators.
6062 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6064 PR rtl-optimization/39453
6065 PR rtl-optimization/42246
6066 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6068 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6070 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6071 Alexander Monakov <amonakov@ispras.ru>
6074 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6075 (maybe_tidy_empty_bb): ... here. Make static. Add new
6076 argument. Update all callers.
6077 (tidy_control_flow): ... and here. Recompute topological order
6078 of basic blocks in region if necessary.
6079 (sel_redirect_edge_and_branch): Change return type. Return true
6080 if topological order might have been invalidated.
6081 (purge_empty_blocks): Export and move from...
6082 * sel-sched.c (purge_empty_blocks): ... here.
6083 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6084 (maybe_tidy_empty_bb): Delete prototype.
6085 (purge_empty_blocks): Declare.
6087 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6089 PR rtl-optimization/42249
6090 * sel-sched.c (try_replace_dest_reg): When chosen register
6091 and original register is the same, do not bail out early, but
6092 still check all original insns for validity of replacing destination
6093 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6096 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6099 Port from no-undefined-overflow branch:
6100 2009-03-09 Richard Guenther <rguenther@suse.de>
6102 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6104 2010-01-14 Richard Guenther <rguenther@suse.de>
6107 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6109 2010-01-14 Ira Rosen <irar@il.ibm.com>
6111 PR tree-optimization/42709
6112 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6113 as scalar type in creation of constant vector operand.
6115 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6118 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6119 (check-parallel-%): Match `testsuite' directory component only
6122 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6124 PR translation/39521
6125 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6128 2010-01-13 Richard Guenther <rguenther@suse.de>
6130 PR tree-optimization/42730
6131 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6134 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6137 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6138 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6141 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6143 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6144 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6145 ___umulsi3_highpart.
6147 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6148 rather than schedule_insns if the pass is enabled.
6150 2010-01-13 Martin Jambor <mjambor@suse.cz>
6152 PR tree-optimization/42704
6153 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6156 2010-01-13 Martin Jambor <mjambor@suse.cz>
6158 PR tree-optimization/42703
6159 * tree-sra.c (analyze_access_subtree): Check that we can build a
6160 reference to the original data within the aggregate.
6162 2010-01-13 Richard Guenther <rguenther@suse.de>
6164 PR tree-optimization/42705
6165 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6167 2010-01-13 Richard Guenther <rguenther@suse.de>
6170 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6172 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6175 * var-tracking.c (values_to_unmark): New variable.
6176 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6177 values_to_unmark vector. Moved body to...
6178 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6179 instead queue it into values_to_unmark vector.
6180 (vt_find_locations): Free values_to_unmark vector.
6182 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6184 * config/s390/s390.c (override_options): Set
6185 default of max-pending-list-length to 256
6187 2010-01-13 Richard Guenther <rguenther@suse.de>
6190 * tree-pass.h (PROP_gimple_lcx): New.
6191 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6192 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6193 before the final cleanup_eh.
6194 (dump_properties): Dump PROP_gimple_lcx.
6195 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6196 (tree_lower_complex_O0): Remove.
6197 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6198 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6199 tree_lower_complex, schedule TODO_update_ssa.
6200 * lto-streamer-out.c (output_function): Stream the functions
6202 * lto-streamer-in.c (input_function): Likewise.
6203 (lto_read_body): Do not override them here.
6205 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6208 * c-typeck.c (build_c_cast): Fold value cast to union type before
6209 wrapping it in a CONSTRUCTOR.
6211 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6213 PR rtl-optimization/42699
6214 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6217 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6219 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6220 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6221 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6222 SUBTARGET_WARN_UNUSED_SPEC): ... here
6223 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6225 2010-01-12 Julian Brown <julian@codesourcery.com>
6227 * config/arm/neon-schedgen.ml (Utils): Don't try to
6228 open missing module.
6229 (find_with_result): New.
6231 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6234 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6235 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6237 PR tree-optimization/42645
6238 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6239 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6240 decl_map, set processing_debug_stmt to -1 and return name without
6243 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6245 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6246 binutils version, and reword target configuration description.
6248 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6250 * config/avr/avr.h (LINKER_NAME): Remove.
6252 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6255 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6256 that support VSX, warn for -mno-altivec if vsx is not disabled,
6259 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6260 Shujing Zhao <pearly.zhao@oracle.com>
6262 PR translation/42469
6263 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6264 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6265 character between option name and help text.
6266 * c.opt (imultilib): Likewise.
6268 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6270 * lto-streamer-out.c (output_unreferenced_globals): Output static
6273 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6275 PR rtl-optimization/42621
6276 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6277 optimizing for size.
6278 (duplicate_computed_gotos): Remove now-redundant check.
6280 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6283 * configure.ac: Save and restore LDFLAGS and LIBS
6284 * configure: Regenerate.
6286 2010-01-10 Richard Guenther <rguenther@suse.de>
6289 * builtins.c (fold_builtin_strlen): Add type argument and
6290 convert the resulting length to it.
6291 (fold_builtin_1): Adjust.
6293 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6295 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6296 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6298 (num_insns_constant_wide): Adjust for that change.
6300 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6303 * web.c (union_defs): Add used argument, to combine uses of
6305 (entry_register): Adjust type and tests of used argument.
6306 (web_main): Widen used for new use. Pass it to union_defs.
6307 * df.h (union_defs): Adjust prototype.
6309 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6312 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6313 uses in new incoming argument. Free body.
6314 (reset_debug_uses_in_loop): New.
6315 (analyze_insn_to_expand_var): Call the latter if the former found
6316 anything. Fix whitespace. Reject invalid dest overlaps before
6317 going through all insns in the loop.
6319 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6322 * haifa-sched.c (dying_use_p): Debug insns don't count.
6324 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6327 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6328 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6329 (verify_gimple_call): Reject LHS in noreturn calls.
6331 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6335 * tree-vect-loop-manip.c (adjust_info): New type.
6336 (adjust_vec): New pointer to vector.
6337 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6338 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6339 (slpeel_update_phis_for_duplicate_loop): Use them.
6340 (slpeel_update_phi_nodes_for_guard1): Likewise.
6341 (slpeel_update_phi_nodes_for_guard2): Likewise.
6342 (slpeel_tree_peel_loop_to_edge): Likewise.
6343 (vect_update_ivs_after_vectorizer): Likewise.
6345 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6347 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6348 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6350 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6352 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6353 bogus uninitialized warning.
6355 2010-01-09 Richard Guenther <rguenther@suse.de>
6358 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6359 the evolution is compatible with the initial condition.
6361 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6363 * gcc.c (process_command): Update copyright notice dates.
6364 * gcov.c (print_version): Likewise.
6365 * gcov-dump.c (print_version): Likewise.
6366 * mips-tfile.c (main): Likewise.
6367 * mips-tdump.c (main): Likewise.
6369 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6372 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6374 (rotlhi3_8): Delete.
6376 (rotlsi3_8): Delete.
6377 (rotlsi3_16): Delete.
6378 (rotlsi3_24): Delete.
6380 (*rotw<mode>3): New.
6381 (*rotb<mode>3): New.
6382 * config/avr/avr.c (avr_rotate_bytes): New function.
6383 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6385 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6388 * configure.ac: Modify -rdynamic check.
6389 * configure: Regenerate.
6391 2010-01-08 DJ Delorie <dj@redhat.com>
6393 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6394 register popping order.
6396 2010-01-08 Richard Guenther <rguenther@suse.de>
6399 * c.opt (fsigned-char): Also let LTO handle this option.
6400 (funsigned-char): Likewise.
6402 2010-01-07 Richard Guenther <rguenther@suse.de>
6404 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6405 (gimple_op): Likewise.
6406 (gimple_op_ptr): Likewise.
6407 (gimple_assign_set_lhs): Remove gcc_assert.
6408 (gimple_assign_set_rhs1): Likewise.
6409 (gimple_assign_set_rhs2): Likewise.
6410 (gimple_call_set_lhs): Likewise.
6411 (gimple_call_set_fn): Likewise.
6412 (gimple_call_set_fndecl): Likewise.
6413 (gimple_call_fndecl): Likewise.
6414 (gimple_call_return_type): Likewise.
6415 (gimple_call_set_chain): Likewise.
6416 (gimple_call_num_args): Likewise.
6417 (gimple_call_set_arg): Likewise.
6418 (gimple_cond_set_code): Likewise.
6419 (gimple_cond_set_lhs): Likewise.
6420 (gimple_cond_set_rhs): Likewise.
6421 (gimple_cond_set_true_label): Likewise.
6422 (gimple_cond_set_false_label): Likewise.
6423 (gimple_label_set_label): Likewise.
6424 (gimple_goto_set_dest): Likewise.
6425 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6426 (gimple_debug_bind_get_value): Likewise.
6427 (gimple_debug_bind_get_value_ptr): Likewise.
6428 (gimple_debug_bind_set_var): Likewise.
6429 (gimple_debug_bind_set_value): Likewise.
6430 (gimple_debug_bind_reset_value): Likewise.
6431 (gimple_debug_bind_has_value_p): Likewise.
6432 (gimple_return_retval_ptr): Remove gcc_assert.
6433 (gimple_return_retval): Likewise.
6434 (gimple_return_set_retval): Likewise.
6435 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6436 (safe_referenced_var_iterator): Remove.
6437 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6438 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6439 (fill_referenced_var_vec): Remove.
6440 (first_readonly_imm_use): Remove redundant gcc_assert.
6441 (phi_arg_index_from_use): Combine gcc_asserts.
6442 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6443 (first_imm_use_stmt): Remove redundant gcc_assert.
6444 * tree-cfg.c (verify_gimple_call): Verify function and chain
6445 operands. Verify arguments.
6446 (verify_types_in_gimple_stmt): Verify condition code and labels.
6448 2010-01-07 Richard Guenther <rguenther@suse.de>
6450 PR tree-optimization/42641
6451 * sese.c (rename_map_elt_info): Use the SSA name version, do
6454 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6456 PR tree-optimization/42625
6457 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6458 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6460 2010-01-07 Duncan Sands <baldrick@free.fr>
6462 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6464 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6467 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6468 note itself is not function_invariant_p.
6470 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6472 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6473 Do not add the DF_NOTE problem.
6474 * store-motion.c (execute_rtl_store_motion): Likewise.
6476 2010-01-07 Martin Jambor <mjambor@suse.cz>
6478 PR tree-optimization/42157
6479 * tree-sra.c (compare_access_positions): Stabilize sort if both
6480 accesses have integer types, return zero immediately if they are the
6483 2010-01-06 Richard Henderson <rth@redhat.com>
6486 * haifa-sched.c (add_to_note_list): Merge into ...
6487 (concat_note_lists): ... here, and ...
6488 (unlink_other_notes, rm_other_notes): Merge into...
6489 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6490 NOTE_INSN_EPILOGUE_BEG.
6492 2010-01-06 Richard Guenther <rguenther@suse.de>
6494 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6495 not inline regular functions into always-inline functions.
6497 2010-01-06 Nick Clifton <nickc@redhat.com>
6499 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6500 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6502 (OVERRIDE_OPTIONS): Delete.
6503 (OPTIMIZATION_OPTIONS): Define.
6504 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6505 * config/rx/rx.c (rx_handle_option): Issue an error message if
6506 -mcpu=rx200 and -fpu are used together.
6507 (rx_set_optimization_options): New function. Issue an error
6508 message if an optimization attribute attempts to reset the FPU/
6509 math optimization pairing.
6510 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6511 * config/rx/rx.opt: Set the default to 32-bit doubles.
6512 * config/rx/t-rx: Add multilibs for -nofpu option.
6513 * doc/invoke.texi: Update documentation of RX options.
6515 2010-01-06 Richard Guenther <rguenther@suse.de>
6517 * tree-ssa-pre.c (name_to_id): New global.
6518 (alloc_expression_id): Simplify SSA name handling.
6519 (lookup_expression_id): Likewise.
6520 (init_pre): Zero name_to_id.
6521 (fini_pre): Free it.
6523 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6525 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6527 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6530 * config/i386/sse.md (smaxv2di3): New.
6531 (umaxv2di3): Likewise.
6532 (sminv2di3): Likewise.
6533 (uminv2di3): Likewise.
6535 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6538 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6539 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6540 (legitimize_tls_address): Likewise.
6541 (sparc_tls_referenced_p): Likewise.
6542 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6543 and adjust calls to legitimize_pic_address.
6544 (legitimate_constant_p) Use sparc_tls_referenced_p.
6545 (legitimate_pic_operand_p): Likewise.
6546 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6547 (sparc_tls_symbol_ref_1): Delete.
6548 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6549 (legitimize_tls_address): Make static, handle CONST patterns.
6550 (legitimize_pic_address): Make static, remove unused parameter and
6551 adjust recursive calls.
6552 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6553 and adjust call to legitimize_pic_address.
6554 (sparc_output_mi_thunk): Likewise.
6556 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6557 H.J. Lu <hongjiu.lu@intel.com>
6560 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6561 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6562 operands to make them signed.
6565 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6568 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6569 GTU to GT for V4SI and V2DI.
6571 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6572 (umin<mode>3): Removed.
6574 (uminv4si3): Likewise.
6576 2010-01-05 Martin Jambor <mjambor@suse.cz>
6578 PR tree-optimization/42462
6579 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6580 current_function_decl to helper functions and macros.
6582 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6585 * flags.h: Don't include real.h.
6586 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6587 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6588 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6589 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6590 * dominance.c: Update copyright.
6591 * gimple.c (walk_gimple_op): Remove inline.
6592 * tree-ssa-reassoc.c: Include real.h.
6593 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6594 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6596 2010-01-05 Nick Clifton <nickc@redhat.com>
6598 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6599 register to push into the stack frame when the accumulator has to
6600 be saved during interrupts.
6602 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6604 * doc/invoke.texi: Remove the documentation about option
6606 * common.opt (Wunreachable-code): Preserved for backward
6608 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6609 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6610 the backward compatibility flag section.
6612 2010-01-05 Richard Guenther <rguenther@suse.de>
6614 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6616 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6619 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6621 PR tree-optimization/42508
6622 * tree-sra.c (convert_callers): Check for recursive call
6623 by comparing cgraph nodes instead of decls.
6624 (modify_function): Call ipa_modify_formal_parameters also
6625 on all same_body aliases.
6627 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6628 cgraph nodes when checking for same_body aliases.
6630 2010-01-05 Richard Guenther <rguenther@suse.de>
6632 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6633 allocation and lookup.
6634 (get_or_alloc_expr_for_constant): Likewise.
6635 (phi_translate): Sink allocation.
6637 2010-01-04 Richard Guenther <rguenther@suse.de>
6639 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6640 a new entry only if needed.
6641 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6642 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6644 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6646 (phi_translate): Handle CONSTANTs early.
6648 2010-01-04 Martin Jambor <mjambor@suse.cz>
6650 PR tree-optimization/42398
6651 * tree-sra.c (struct access): Removed flag grp_different_types.
6652 (dump_access): Do not dump the removed flag.
6653 (sort_and_splice_var_accesses): Do not set the removed flag.
6654 (sra_modify_expr): Check for type compatibility directly.
6656 2010-01-04 Martin Jambor <mjambor@suse.cz>
6658 PR tree-optimization/42366
6659 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6660 edges with variable number of parameters.
6661 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6662 flag instead of asserting it.
6663 (ipa_read_node_info): Read uses_analysis_done flag.
6665 2010-01-04 Richard Guenther <rguenther@suse.de>
6667 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6668 iterative_hash_* as intended.
6669 (vn_reference_compute_hash): Likewise. Simplify hashing
6671 (vn_reference_lookup_2): Likewise.
6672 (vn_nary_op_compute_hash): Likewise.
6673 (vn_phi_compute_hash): Likewise.
6674 (expressions_equal_p): Remove strange code.
6675 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6676 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6677 (bitmap_insert_into_set_1): Take value-id as parameter.
6678 (add_to_value): Pass it.
6679 (bitmap_insert_into_set): Likewise.
6680 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6682 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6685 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6686 (do_self_spec): For switches with SWITCH_IGNORE set set also
6687 SWITCH_IGNORE_PERMANENTLY.
6688 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6691 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6693 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6694 tree of an unreferenced global var.
6696 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6699 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6700 GTU to GT for V4SI and V2DI.
6702 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6703 (umin<mode>3): Removed.
6705 (uminv4si3): Likewise.
6707 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6710 * collect2.c (main): Turn on trace in collect2 if -v is passed
6713 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6715 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6716 description of expression operand.
6718 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6720 * configure.ac: Add install-html to target_list for Make-hooks.
6721 * configure: Regenerate.
6722 * fortran/Make-lang.in (F95_HTMLFILES): New.
6723 (fortran.html): Use it.
6724 (fortran.install-html): New.
6725 * Makefile.in (install-html): Add lang.install-html.
6726 * java/Make-lang.in (JAVA_HTMLFILES): New.
6727 (java.html): Use it.
6728 (java.install-html): New.
6729 * objc/Make-lang.in (objc.install-html): New.
6730 * objcp/Make-lang.in (obj-c++.install-html): New.
6731 * cp/Make-lang.in (c++.install-html): New.
6732 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6733 * lto/Make-lang.in (lto.install-html): New.
6735 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6738 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6740 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6742 PR rtl-optimization/41862
6743 * store-motion.c (store_killed_in_insn, compute_store_table,
6744 remove_reachable_equiv_notes, replace_store_insn,
6745 build_store_vectors): Ignore all DEBUG_INSNs.
6747 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6750 * common.opt: Add dumpdir.
6752 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6754 (option_map): Add --dumpdir.
6756 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6758 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6760 * opts.c (decode_options): Try dump_dir_name first if
6761 dump_base_name isn't an absolute path.
6762 (common_handle_option): Handle OPT_dumpdir.
6764 * toplev.c (dump_dir_name): New.
6765 (print_switch_values): Also ignore -dumpdir.
6767 * toplev.h (dump_dir_name): New.
6769 2010-01-03 Richard Guenther <rguenther@suse.de>
6771 PR tree-optimization/42589
6772 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6773 double-word expansion of bswap32.
6775 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6777 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6778 with BLOCK_FOR_INSN.
6779 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6780 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6781 noce_process_if_block): Likewise.
6782 * gcse.c (compute_local_properties, insert_expr_in_table,
6783 insert_set_in_table, canon_list_insert, find_avail_set,
6784 pre_insert_copy_insn): Likewise.
6786 * basic-block.h (BLOCK_NUM): Move from here...
6787 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6789 2010-01-03 Richard Guenther <rguenther@suse.de>
6791 PR tree-optimization/42438
6792 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6793 contains_may_not_return_call flag.
6794 (BB_MAY_NOTRETURN): New.
6795 (valid_in_sets): Trapping nary operations are not valid
6796 in blocks that may not return.
6797 (insert_into_preds_of_block): Remove check for trapping expressions.
6798 (compute_avail): Compute also BB_MAY_NOTRETURN.
6800 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6802 * doc/invoke.texi: Add 2010 to copyright years.
6804 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6806 * config/sparc/sparc.c: Fix formatting nits.
6808 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6809 Alexander Monakov <amonakov@ispras.ru>
6811 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6813 2010-01-02 Richard Guenther <rguenther@suse.de>
6816 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6817 (simplify_switch_using_ranges): Mark to be removed edges
6820 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6822 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6824 * collect2.c (scan_libraries): Add missing argument in call to
6827 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6830 * config/alpha/predicates.md (aligned_memory_operand): Return false
6832 (unaligned_memory_operand): Return true for CQImode.
6833 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6834 doesn not cross aligned SImode word boundary.
6836 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6838 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6840 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6841 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6843 2010-01-02 Richard Guenther <rguenther@suse.de>
6846 * toplev.c (compile_file): Emit LTO marker properly. Change
6848 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6850 2010-01-01 Richard Guenther <rguenther@suse.de>
6853 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6855 2010-01-01 Richard Guenther <rguenther@suse.de>
6858 * c-decl.c (grokdeclarator): For zero-size arrays force
6859 structural equality checks as layout_type does.
6861 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6863 * builtins.c: Update copyright to 2010.
6865 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6868 * lto-streamer-out.c (produce_asm): Revert the last change.
6869 (copy_function): Likewise.
6871 * lto-streamer.c (lto_get_section_name): Skip any leading
6874 2010-01-01 Richard Guenther <rguenther@suse.de>
6877 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6881 Copyright (C) 2010 Free Software Foundation, Inc.
6883 Copying and distribution of this file, with or without modification,
6884 are permitted in any medium without royalty provided the copyright
6885 notice and this notice are preserved.
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