1 2010-04-20 Richard Guenther <rguenther@suse.de>
3 * tree-ssa-structalias.c (do_structure_copy): Properly handle
5 (dump_sa_points_to_info): Remove asserts.
6 (init_base_vars): nothing_id isn't an escape point nor does it
9 2010-04-20 Jakub Jelinek <jakub@redhat.com>
11 * tree.h (TYPE_REF_IS_RVALUE): Define.
12 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
13 should_move_die_to_comdat, prune_unused_types_walk): Handle
14 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
15 (modified_type_die, gen_reference_type_die): Emit
16 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
17 if TYPE_REF_IS_RVALUE and -gdwarf-4.
19 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
22 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
23 calls for -fpic -m31 if they have been sibcall optimized.
25 2010-04-19 James E. Wilson <wilson@codesourcery.com>
27 PR rtl-optimization/43520
28 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
29 ar.lc fixed and call-used.
31 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
33 2010-04-19 Jan Hubicka <jh@suse.cz>
35 * opts.c (decode_options): Disable whpr incompatible passes.
36 * lto/lto.c (lto_1_to_1_map): Skip clones.
37 (read_cgraph_and_symbols): Do not mark everything as needed.
38 (do_whole_program_analysis): Do map only after optimizing;
39 set proper cgraph_state; use passmanager.
41 2010-04-19 DJ Delorie <dj@redhat.com>
43 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
44 POINTER_PLUS_EXPR and fix them.
46 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
48 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
49 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
50 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
51 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
52 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
53 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
54 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
55 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
56 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
57 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
58 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
60 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
62 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
63 (check_cond_move_block): Likewise.
64 (cond_move_process_if_block): Likewise.
65 (noce_find_if_block): Improve formatting.
66 (find_if_header): Pass 0 to memset and tweak conditions.
67 (cond_exec_find_if_block): Fix long lines and tweak conditions.
69 2010-04-19 Jakub Jelinek <jakub@redhat.com>
71 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return
75 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
76 with non-local decl doesn't need chain.
78 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
80 * ira-color.c (allocno_reload_assign): Avoid accumulating
81 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
83 2010-04-19 Martin Jambor <mjambor@suse.cz>
85 * gimple.h (create_tmp_reg): Declare.
86 * gimplify.c (create_tmp_reg): New function.
87 (gimplify_return_expr): Use create_tmp_reg.
88 (gimplify_omp_atomic): Likewise.
89 (gimple_regimplify_operands): Likewise.
90 * tree-dfa.c (make_rename_temp): Likewise.
91 * tree-predcom.c (predcom_tmp_var): Likewise.
92 (reassociate_to_the_same_stmt): Likewise.
93 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
94 (get_replaced_param_substitute): Likewise.
95 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
96 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
97 * tree-ssa-pre.c (get_representative_for): Likewise.
98 (create_expression_by_pieces): Likewise.
99 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
100 (create_tailcall_accumulator): Likewise.
102 2010-04-19 Martin Jambor <mjambor@suse.cz>
104 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
106 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
108 2010-04-19 Richard Guenther <rguenther@suse.de>
110 PR tree-optimization/43796
111 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
112 from SCEV in the lattice.
113 (vrp_visit_phi_node): Dump change.
115 2010-04-19 Richard Guenther <rguenther@suse.de>
117 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
118 * configure: Re-generated.
120 2010-04-19 Richard Guenther <rguenther@suse.de>
122 PR tree-optimization/43783
123 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
124 constant ARRAY_REF operands two and three if possible.
126 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
129 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
131 2010-04-19 Jie Zhang <jie@codesourcery.com>
134 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
136 2010-04-19 Ira Rosen <irar@il.ibm.com>
138 PR tree-optimization/37027
139 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
140 and macro to access it.
141 (vectorizable_reduction): Add argument.
142 (vect_get_slp_defs): Likewise.
143 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
144 statements for possible use in SLP.
145 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
146 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
147 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
149 (vectorizable_reduction): Likewise.
150 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
152 (vectorizable_type_demotion, vectorizable_type_promotion,
153 vectorizable_store): Likewise.
154 (vect_analyze_stmt): Update call to vectorizable_reduction.
155 (vect_transform_stmt): Likewise.
156 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
157 (vect_build_slp_tree): Fix indentation. Check that there are no loads
158 from different interleaving chains in same node.
159 (vect_slp_rearrange_stmts): New function.
160 (vect_supported_load_permutation_p): Allow load permutations for
161 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
162 inside SLP nodes if necessary.
163 (vect_analyze_slp_instance): Handle reductions.
164 (vect_analyze_slp): Try to build SLP instances originating from groups
166 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
167 (vect_get_constant_vectors): Create initial vectors for reductions
168 according to reduction code. Add new argument.
169 (vect_get_slp_defs): Add new argument, pass it to
170 vect_get_constant_vectors.
171 (vect_schedule_slp_instance): Remove SLP tree root statements.
173 2010-04-19 Jakub Jelinek <jakub@redhat.com>
175 * tree.h (ENUM_IS_SCOPED): Define.
176 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
177 for ENUM_IS_SCOPED enums.
179 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
181 * fold-const.c (fold_comparison): Use ssizetype.
182 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
183 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
184 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
185 * tree-object-size.c (compute_object_sizes): Use size_type_node.
187 * tree.h (initialize_sizetypes): Remove parameter.
188 (build_common_tree_nodes): Remove second parameter.
189 * stor-layout.c (initialize_sizetypes): Remove parameter.
190 Always create an unsigned type.
191 (set_sizetype): Assert that the passed type is unsigned and simplify.
192 * tree.c (build_common_tree_nodes): Remove second parameter.
193 Adjust call to initialize_sizetypes.
194 * c-decl.c (c_init_decl_processing): Remove second argument in call to
195 build_common_tree_nodes.
197 2010-04-18 Matthias Klose <doko@ubuntu.com>
199 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
201 2010-04-18 Ira Rosen <irar@il.ibm.com>
203 PR tree-optimization/43771
204 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
205 load permutation doesn't have gaps.
207 2010-04-18 Jan Hubicka <jh@suse.cz>
209 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
210 (sse_prologue_save_insn expander): Use new pattern.
211 (sse_prologue_save_insn1): New pattern and splitter.
212 (sse_prologue_save_insn): Update to deal also with 64bit aligned
214 * i386.c (setup_incoming_varargs_64): Do not compute jump
216 (ix86_gimplify_va_arg): Update alignment needed.
217 (ix86_local_alignment): Do not align all local arrays to 128bit.
219 2010-04-17 Jan Hubicka <jh@suse.cz>
221 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
223 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
225 * arm.md (negdi2): Remove redundant code to force values into a
228 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
230 * arm/bpabi.S: Add EABI alignment attributes to objects.
231 * arm/bpabi-v6m.S: Likewise.
232 * arm/crti.asm: Likewise.
233 * arm/crtn.asm: Likewise.
234 * arm/lib1funcs.asm: Likewise.
235 * arm/libunwind.S: Likewise.
237 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
239 * arm-protos.h (tune_params): New structure.
240 * arm.c (current_tune): New variable.
241 (arm_constant_limit): Delete.
242 (struct processors): Add pointer to the tune parameters.
243 (arm_slowmul_tune): New tuning option.
244 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
245 (all_cores): Adjust to pick up the tuning model.
246 (arm_constant_limit): New function.
247 (arm_override_options): Select the appropriate tuning model. Delete
248 initialization of arm_const_limit.
249 (arm_split_constant): Use the new constant-limit model.
250 (arm_rtx_costs): Pick up the current tuning model.
251 * arm.md (is_strongarm, is_xscale): Delete.
252 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
253 for Xscale variant architectures.
254 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
256 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
258 * config/arm/arm.c (arm_gen_constant): Remove unused variable
260 (arm_rtx_costs_1): Remove unused variable extra_cost.
261 (arm_unwind_emit_set): Use variable offset.
262 (thumb1_output_casesi): Remove unused variable flags.
264 2010-04-16 Jeff Law <law@redhat.com>
266 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
267 needing assignment rather than doing a two-phase assignment. Remove
270 2010-04-16 Jakub Jelinek <jakub@redhat.com>
273 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
275 2010-04-16 Doug Kwan <dougkwan@google.com>
277 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
278 (next_operand_entry_id): New static variable.
279 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
280 (add_to_ops_vec): Assigned unique ID to operand entry.
281 (struct oecount_s): New field ID.
282 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
283 (undistribute_ops_list): Assign unique IDs to oecounts.
284 (init_reassoc): reset next_operand_entry_id.
286 2010-04-16 Doug Kwan <dougkwan@google.com>
288 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
289 missing left parenthesis.
291 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
293 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
294 *btdi_rex64 using SWI48 mode iterator.
295 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
296 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
297 *jcc_btdi_mask_rex64.
299 2010-04-16 Anatoly Sokolov <aesok@post.ru>
301 * double-int.h (tree_to_double_int): Convert to macro.
302 * double-int.c (tree_to_double_int): Remove.
304 2010-04-16 Jakub Jelinek <jakub@redhat.com>
307 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
308 with want_address 2 and in case a single element list might be
309 possible, call it again with want_address 0.
311 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
313 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
314 case 'W' print operands for HI mode.
315 * config/h8300/h8300.h (Y0, Y2) : New constraints.
316 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
317 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
318 * config/h8300/predicate.md (bit_register_indirect_operand): New.
320 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
322 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
323 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
324 #xx:3 and #xx:4 mode.
326 * config/h8300/h8300.md (inverted load with HImode dest): Add
329 * config/h8300/predicate.md (bit_operand): Allow immediate values that
330 satisfy 'U' constraint.
332 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
334 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx
336 * configure: Regenerate.
337 * config.in: Regenerate.
338 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
341 2010-04-16 Richard Guenther <rguenther@suse.de>
343 * tree.h (struct tree_decl_minimal): Move pt_uid ...
344 (struct tree_decl_common): ... here.
345 (DECL_PT_UID): Adjust.
346 (SET_DECL_PT_UID): Likewise.
347 (DECL_PT_UID_SET_P): Likewise.
349 2010-04-16 Richard Guenther <rguenther@suse.de>
351 PR tree-optimization/43572
352 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
353 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
354 * tree-flow.h (is_call_clobbered): Remove.
355 * tree-flow-inline.h (is_call_clobbered): Likewise.
356 * tree-dfa.c (dump_variable): Do not dump call clobber state.
357 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
358 (execute_return_slot_opt): Adjust.
359 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
360 check for call clobbered vars here.
361 (find_tail_calls): Move tailcall verification to the
364 2010-04-16 Diego Novillo <dnovillo@google.com>
366 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
369 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
372 * config/arm/arm.md (cbranchqi4): New pattern.
373 * config/arm/predicates.md (const0_operand,
374 cbranchqi4_comparison_operator): New predicates.
376 2010-04-16 Richard Guenther <rguenther@suse.de>
378 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
379 (dump_gimple_stmt): Likewise.
381 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
383 * recog.h (struct recog_data): New field is_operator.
384 (struct insn_operand_data): New field is_operator.
385 * recog.c (extract_insn): Set recog_data.is_operator.
386 * genoutput.c (output_operand_data): Emit code to set the
388 * reload.c (find_reloads): Use it rather than testing for an
389 empty constraint string.
392 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
393 If the previous insn is a cbranchsi4_insn with the same arguments,
394 omit the compare instruction.
396 * config/arm/arm.md (addsi3_cbranch): If destination is a high
397 register, inputs must be low registers and we need a low register
398 scratch. Handle alternative 2 like alternative 3.
400 2010-04-16 Jakub Jelinek <jakub@redhat.com>
402 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
403 don't call get_addr on both. If one expression is a VALUE and
404 the other a REG, check VALUE's locs if the REG isn't among them.
406 2010-04-16 Christian Bruel <christian.bruel@st.com>
408 * config/sh/sh.h (sh_frame_pointer_required): New function.
409 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
410 (flag_omit_frame_pointer) Set.
411 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
412 (rounded_frame_size): Adjust size with outgoing_args_size.
413 (sh_set_return_address): Must return from stack pointer.
414 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
415 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
416 (ACCUMULATE_OUTGOING_ARGS): Define.
417 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
418 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
420 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
423 * config/sh/sh.c (sh_legitimize_reload_address): Use
424 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
425 Remove a unneeded check for offset_base.
427 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
429 * configure: Regenerated.
431 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
433 * config/s390/s390.c (s390_call_save_register_used): Switch back
436 2010-04-15 Richard Guenther <rguenther@suse.de>
438 * alias.c (alias_set_subset_of): Handle alias-set zero
441 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
442 Julian Brown <julian@codesourcery.com>
444 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
445 alternatives according to use of high and low regs.
446 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
447 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
448 optimizing for size on Thumb-2.
450 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
452 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
454 2010-04-15 Richard Guenther <rguenther@suse.de>
456 * tree-ssa-structalias.c (struct variable_info): Add
458 (new_var_info): Initialize it.
459 (dump_constraints): Support printing last added constraints.
460 (debug_constraints): Adjust.
461 (dump_constraint_graph): Likewise.
462 (make_heapvar_for): Check for NULL cfun.
463 (get_function_part_constraint): New function.
464 (get_fi_for_callee): Likewise.
465 (find_func_aliases): Properly implement IPA PTA constraints.
466 (process_ipa_clobber): New function.
467 (find_func_clobbers): Likewise.
468 (insert_into_field_list_sorted): Remove.
469 (create_function_info_for): Properly allocate vars for IPA mode.
470 Do not use insert_into_field_list_sorted.
471 (create_variable_info_for): Properly generate constraints for
472 global vars in IPA mode.
473 (dump_solution_for_var): Always dump the solution.
474 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
475 (find_what_var_points_to): Adjust.
476 (pt_solution_set): Change.
477 (pt_solution_ior_into): New function.
478 (pt_solution_empty_p): Export.
479 (pt_solution_includes_global): Adjust.
480 (pt_solution_includes_1): Likewise.
481 (pt_solutions_intersect_1): Likewise.
482 (dump_sa_points_to_info): Check some invariants.
483 (solve_constraints): Move constraint dumping ...
484 (compute_points_to_sets): ... here.
485 (ipa_pta_execute): ... and here.
486 (compute_may_aliases): Do not re-compute points-to info
487 locally if IPA info is available.
488 (ipa_escaped_pt): New global var.
489 (ipa_pta_execute): Properly implement IPA PTA.
490 * tree-into-ssa.c (dump_decl_set): Support dumping
491 decls not in referenced-vars.
492 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
493 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
494 (dump_points_to_solution): Likewise.
495 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
496 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
497 (remap_gimple_stmt): Reset call clobber/use information if
499 (copy_decl_to_var): Copy DECL_PT_UID.
500 (copy_result_decl_to_var): Likewise.
501 * tree.c (make_node_stat): Initialize DECL_PT_UID.
502 (copy_node_stat): Copy it.
503 * tree.h (DECL_PT_UID): New macro.
504 (SET_DECL_PT_UID): Likewise.
505 (DECL_PT_UID_SET_P): Likewise.
506 (struct tree_decl_minimal): Add pt_uid member.
507 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
508 (pt_solution_empty_p): Declare.
509 (pt_solution_set): Adjust.
510 (ipa_escaped_pt): Declare.
511 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
512 * gimple-pretty-print.c (pp_points_to_solution): New function.
513 (dump_gimple_call): Dump call clobber/use information.
514 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
515 * tree-pass.h (TDF_ALIAS): New dump option.
516 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
517 * doc/invoke.texi (-fipa-pta): Update documentation.
519 2010-04-15 Richard Guenther <rguenther@suse.de>
521 * Makefile.in (OBJS-common): Add gimple-fold.o.
522 (gimple-fold.o): New rule.
523 * tree.h (maybe_fold_offset_to_reference,
524 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
526 * gimple.h: ... here.
527 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
528 may_propagate_address_into_dereference): Move prototypes ...
529 * gimple.h: ... here.
530 * tree-ssa-ccp.c (get_symbol_constant_value,
531 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
532 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
533 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
534 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
535 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
536 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
537 gimplify_and_update_call_from_tree): Move ...
538 * gimple-fold.c: ... here. New file.
539 (ccp_fold_builtin): Rename to ...
540 (gimple_fold_builtin): ... this.
541 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
543 2010-04-15 Richard Guenther <rguenther@suse.de>
545 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
546 fit_double_type, force_fit_type_double, add_double_with_sign,
547 neg_double, mul_double_with_sign, lshift_double, rshift_double,
548 lrotate_double, rrotate_double, div_and_round_double): Move ...
549 * double-int.c: ... here.
550 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
551 add_double, neg_double, mul_double_with_sign, mul_double,
552 lshift_double, rshift_double, lrotate_double, rrotate_double,
553 div_and_round_double): Move prototypes ...
554 * double-int.h: ... here.
556 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
559 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
560 matching constraints to ensure inputs match the output.
562 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
565 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
566 in an input-only operand.
568 2010-04-15 Anatoly Sokolov <aesok@post.ru>
570 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
571 (double_int_not, double_int_lshift, double_int_rshift): Declare.
572 (double_int_negative_p): Convert to static inline function.
573 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
574 (double_int_negative_p): Remove.
575 * tree.h (lshift_double, rshift_double):
576 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
577 * fold-const.c (fold_convert_const_int_from_real,
578 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
579 (lshift_double): Change type of arith argument to bool.
580 (rshift_double): Change type of arith argument to bool. Correct
582 * expmed.c (mask_rtx, lshift_value): (Ditto.).
584 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
587 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
588 at the start and end of the then/else blocks, and omit them from the
590 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
591 argument; all callers changed. Pass zero to old_insns_match_p instead.
592 (flow_find_head_matching_sequence): New function.
593 (old_insns_match_p): Check REG_EH_REGION notes for calls.
594 * basic-block.h (flow_find_cross_jump,
595 flow_find_head_matching_sequence): Declare functions.
597 2010-04-14 Jason Merrill <jason@redhat.com>
600 * c-common.c (attribute_takes_identifier_p): New fn.
601 * c-common.h: Declare it.
603 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
605 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
607 (*udivmod<mode>4): Ditto.
609 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
611 * config/i386/i386.md (maxmin_int): Rename code attribute from
612 maxminiprefix and update all users.
613 (maxmin_float): Ditto from maxminfprefix.
614 (logic): Ditto from logicprefix.
615 (absneg_mnemonic): Ditto from absnegprefix.
616 * config/i386/mmx.md: Update all users of maxminiprefix,
617 maxminfprefix and logicprefix for rename.
618 * config/i386/sse.md: Ditto.
619 * config/i386/sync.md (sync_<code><mode>): Update for
622 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
625 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
626 warnings converted to errors.
628 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
630 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
631 used insn_type variable.
632 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
633 to avoid set-but-not-used warning.
635 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
637 * df-core.c (df_ref_debug): Change format string placeholder
639 * dwarf2asm.c (dw2_asm_output_data_raw,
640 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
641 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
642 * dwarf2out.c (output_cfi, output_cfi_directive,
643 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
644 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
646 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
647 * print-rtl.c (print_rtx): Ditto.
649 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
652 * builtins.c (expand_builtin_pow_root): New function to expand pow
653 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
654 series of sqrt and cbrt calls under -ffast-math.
655 (expand_builtin_pow): Call it.
657 2010-04-14 Michael Matz <matz@suse.de>
659 PR tree-optimization/42963
660 * tree-cfg.c (touched_switch_bbs): New static variable.
661 (group_case_labels_stmt): New function broken out from ...
662 (group_case_labels): ... here, use the above.
663 (start_recording_case_labels): Allocate touched_switch_bbs.
664 (end_recording_case_labels): Deallocate it, call
665 group_case_labels_stmt.
666 (gimple_redirect_edge_and_branch): Remember index of affected BB.
668 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
670 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
673 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
675 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
677 2010-04-13 Jan Hubicka <jh@suse.cz>
679 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
680 of optimized out static functions.
681 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
682 cost computation. Also sanity check for overflows.
683 (update_caller_keys): Update cgraph_edge_badness call; properly
684 update fibheap and sanity check that it is up to date.
685 (add_new_edges_to_heap): Update cgraph_edge_badness.
686 (cgraph_decide_inlining_of_small_function): Likewise;
687 add sanity checking that badness in heap is up to date;
688 improve dumping of reason; Update badness of calls to the
689 offline copy of function currently inlined; dump badness
690 of functions not inlined because of unit growth limits.
692 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
695 * c-common.c (pointer_int_sum): Disregard overflow that occured only
696 because of sign-extension change when converting to sizetype here...
697 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
699 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
700 the folding to constants. Remove redundant final conversion.
701 (fold_binary) <associate>: Do not associate if the re-association of
702 constants alone overflows.
703 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
704 to the end of the list.
705 (multiple_of_p) <COND_EXPR>: New case.
707 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
709 * opt-functions.awk (opt_sanitized_name): New.
711 * optc-gen.awk: Use it
712 * opth-gen.awk: Use it.
714 2010-04-13 Martin Jambor <mjambor@suse.cz>
716 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
717 (sra_modify_assign): Delete stmts loading dead data even if racc has no
718 children. Call replace_uses_with_default_def_ssa_name to handle
721 2010-04-13 Michael Matz <matz@suse.de>
724 * builtins.c (expand_builtin_interclass_mathfn): Also create
725 a register if the predicate doesn't match.
727 2010-04-13 Diego Novillo <dnovillo@google.com>
729 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
730 * c-pch.c: Include timevar.h.
731 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
732 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
733 * ggc-common.c: Include timevar.h.
734 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
735 * timevar.def (TV_PCH_SAVE): Define.
736 (TV_PCH_CPP_SAVE): Define.
737 (TV_PCH_PTR_REALLOC): Define.
738 (TV_PCH_PTR_SORT): Define.
739 (TV_PCH_RESTORE): Define.
740 (TV_PCH_CPP_RESTORE): Define.
742 2010-04-13 Michael Matz <matz@suse.de>
744 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
746 (can_reassociate_p): New function.
747 (break_up_subtract_bb, reassociate_bb): Use it.
749 2010-04-13 Richard Guenther <rguenther@suse.de>
752 * builtins.c (c_readstr): Fix assert.
754 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
756 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
757 when generating cltd insn.
759 (*ashl<mode>3_1): Remove special handling for register operand 2.
760 (*ashlsi3_1_zext): Ditto.
762 (*ashlhi3_1_lea): Ditto.
764 (*ashlqi3_1_lea): Ditto.
765 (*<shiftrt_insn><mode>3_1): Ditto.
766 (*<shiftrt_insn>si3_1_zext): Ditto.
767 (*<shiftrt_insn>qi3_1_slp): Ditto.
768 (*<rotate_insn><mode>3_1): Ditto.
769 (*<rotate_insn>si3_1_zext): Ditto.
770 (*<rotate_insn>qi3_1_slp): Ditto.
772 2010-04-13 Richard Guenther <rguenther@suse.de>
774 * tree-ssa-structalias.c (callused_id): Remove.
775 (call_stmt_vars): New.
776 (get_call_vi): Likewise.
777 (lookup_call_use_vi): Likewise.
778 (lookup_call_clobber_vi): Likewise.
779 (get_call_use_vi): Likewise.
780 (get_call_clobber_vi): Likewise.
781 (make_transitive_closure_constraints): Likewise.
782 (handle_const_call): Adjust to do per-call call-used handling.
783 (handle_pure_call): Likewise.
784 (find_what_var_points_to): Remove general callused handling.
785 (init_base_vars): Likewise.
786 (init_alias_vars): Initialize call_stmt_vars.
787 (compute_points_to_sets): Process call-used and call-clobbered
788 vars for call statements.
789 (delete_points_to_sets): Free call_stmt_vars.
791 2010-04-13 Richard Guenther <rguenther@suse.de>
793 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
794 Only add RW dependence for dependence distance zero.
795 Adjust maximal vectorization factor according to dependences.
796 Move alignment handling ...
797 (vect_find_same_alignment_drs): ... here. New function.
798 (vect_analyze_data_ref_dependences): Adjust.
799 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
800 (vect_analyze_data_refs): Adjust minimal vectorization factor
801 according to data references.
802 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
803 dependences before determining the vectorization factor.
804 Analyze alignment after determining the vectorization factor.
805 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
806 dependences before alignment.
807 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
809 (vect_analyze_data_refs): Likewise.
810 (MAX_VECTORIZATION_FACTOR): New define.
812 2010-04-13 Duncan Sands <baldrick@free.fr>
814 * except.h (lang_eh_type_covers): Remove.
815 * except.c (lang_eh_type_covers): Likewise.
817 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
818 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
820 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
821 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
822 UNITS_PER_LONG where it is ABI relevant.
823 (s390_return_addr_rtx): Likewise.
824 (s390_back_chain_rtx): Likewise.
825 (s390_frame_area): Likewise.
826 (s390_frame_info): Likewise.
827 (s390_initial_elimination_offset): Likewise.
828 (save_gprs): Likewise.
829 (s390_emit_prologue): Likewise.
830 (s390_emit_epilogue): Likewise.
831 (s390_function_arg_advance): Likewise.
832 (s390_function_arg): Likewise.
833 (s390_va_start): Likewise.
834 (s390_gimplify_va_arg): Likewise.
835 (s390_function_profiler): Likewise.
836 (s390_optimize_prologue): Likewise.
837 (s390_rtx_costs): Likewise.
838 (s390_secondary_reload): Likewise.
839 (s390_promote_function_mode): Likewise.
840 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
841 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
843 (s390_unwind_word_mode): New function.
844 (s390_function_value): Split 64 bit values into register pair if
845 used as return value.
846 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
847 function call parameters. Handle parallels.
848 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
849 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
850 (DWARF_CIE_DATA_ALIGNMENT): New macro.
851 (s390_expand_setmem): Remove unused variable src_addr.
852 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
853 deal with 64 bit registers.
854 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
855 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
856 (UNITS_PER_LONG): New macro.
857 * libjava/include/s390-signal.h: Define extended ucontext
858 structure containing the upper halfs of the 64 bit registers.
860 2010-04-13 Simon Baldwin <simonb@google.com>
862 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
864 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
866 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
867 rvalue on the RHS if the LHS is of a non-renamable type.
868 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
870 2010-04-13 Matthias Klose <doko@ubuntu.com>
872 * gcc.c (cc1_options): Handle -iplugindir before processing
873 the cc1 spec. Only add -iplugindir once.
874 (cpp_unique_options): Add -iplugindir option if -fplugin* options
876 * common.opt (iplugindir): Remove `Separate' property, initialize.
877 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
879 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
880 (distclean): Remove plugin dir.
881 * doc/invoke.texi: Document -iplugindir.
883 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
885 * doc/plugins.texi (Loading Plugins): Document short
887 (Plugin API): Mention default_plugin_dir_name function.
889 * gcc.c (find_file_spec_function): Add new declaration.
890 (static_spec_func): Use it for "find-file".
891 (find_file_spec_function): Add new function.
892 (cc1_options): Add -iplugindir option if -fplugin* options found.
894 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
896 * plugin.c (add_new_plugin): Updated comment, and handle short
898 (default_plugin_dir_name): Added new function.
900 * common.opt (iplugindir): New option to set the plugin directory.
902 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
904 * config/i386/i386.md (any_rotate): New code iterator.
905 (rotate_insn): New code attribute.
907 (SWIM124): New mode iterator.
908 (<rotate_insn>ti3): New expander.
909 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
910 any_rotate code iterator.
911 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
912 using any_rotate code iterator and SWIM124 mode iterator.
913 (ix86_rotlti3): New insn_and_split pattern.
914 (ix86_rotrti3): Ditto.
915 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
916 ix86_rotl{di,ti}3 patterns.
917 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
918 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
919 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
920 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
921 code iterator and SWI mode iterator.
922 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
923 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
925 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
926 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
927 (bswap rotatert splitter): Add splitter.
928 (bswap splitter): Macroize splitter using any_rotate code iterator.
929 Add insn predicate to split only for TARGET_USE_XCHGB or when
930 optimizing function for size.
932 2010-04-12 Steve Ellcey <sje@cup.hp.com>
934 * config/pa/pa.c (emit_move_sequence): Remove use of
935 deleted variable flag_argument_noalias.
937 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
939 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
941 Add to unsupported targets list.
942 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
943 sparc*-sun-solaris2.[567]* from target lists.
944 * configure: Regenerate.
945 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
947 Remove Solaris 7 patch references.
948 (Specific, sparc-sun-solaris2.7): Removed.
949 (sparc-sun-solaris2*): Update Solaris 7 example.
950 (sparc64-*-solaris2*): Likewise.
952 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
954 * config.build (alpha*-dec-osf4*): Remove.
955 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
956 of obsolete configurations.
957 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
959 * config/alpha/t-osf4: Renamed to ...
960 * config/alpha/t-osf5: ... this.
961 * config/alpha/osf.h: Renamed to ...
962 * config/alpha/osf5.h: ... this.
963 Merged old osf5.h contents.
965 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
966 (EXTRA_SPECS): Removed.
967 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
968 reflect removal of Tru64 UNIX V4.0/V5.0 support.
971 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
973 * doc/contrib.texi (Contributors, Rainer Orth): Update.
975 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
978 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
979 __thiscall convention.
981 2010-04-12 Steve Ellcey <sje@cup.hp.com>
983 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
985 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
987 2010-04-12 Steve Ellcey <sje@cup.hp.com>
989 * function.c (assign_parms_initialize_all): Add unused attribute
992 2010-04-12 Richard Guenther <rguenther@suse.de>
994 * gsstruct.def (GSS_CALL): New.
995 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
996 * gimple.h: Include tree-ssa-alias.h.
997 (struct gimple_statement_call): New.
998 (union gimple_statement_struct_d): Add gimple_call member.
999 (gimple_call_reset_alias_info): Declare.
1000 (gimple_call_use_set): New function.
1001 (gimple_call_clobber_set): Likewise.
1002 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1003 * gimple.c (gimple_call_reset_alias_info): New function.
1004 (gimple_build_call_1): Call it.
1005 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1006 * tree-inline.c (remap_gimple_stmt): Likewise.
1007 (expand_call_inline): Remove callused handling.
1008 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1009 * tree-dfa.c (dump_variable): Likewise.
1010 * tree-parloops.c (parallelize_loops): Likewise.
1011 * tree-ssa.c (init_tree_ssa): Likewise.
1012 (delete_tree_ssa): Likewise.
1013 * tree-flow-inline.h (is_call_used): Remove.
1014 * tree-flow.h (struct gimple_df): Remove callused member.
1015 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1016 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1017 (ref_maybe_used_by_call_p_1): Simplify.
1018 (call_may_clobber_ref_p_1): Likewise.
1019 * tree-ssa-structalias.c (compute_points_to_sets): Set
1020 the call stmt used and clobbered sets.
1021 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1022 (find_tail_calls): Verify the tail call.
1024 2010-04-12 Richard Guenther <rguenther@suse.de>
1026 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1027 single-iteration always-inline inlining.
1028 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1029 (cgraph_decide_inlining): Do not handle always-inline specially.
1030 (try_inline): Remove always-inline cycle detection special case.
1031 Do not recurse on always-inlines.
1032 (cgraph_early_inlining): Do not iterate if not optimizing.
1033 (cgraph_gate_early_inlining): remove.
1034 (pass_early_inline): Run unconditionally.
1035 (gate_cgraph_decide_inlining): New function.
1036 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1037 not inlining or optimizing.
1038 (cgraph_decide_inlining_of_small_functions): Also consider
1039 always-inline functions.
1040 (cgraph_default_inline_p): Return true for nodes which should
1041 disregard inline limits.
1042 (estimate_function_body_sizes): Assume zero size and time for
1043 nodes which are marked as disregarding inline limits.
1044 (cgraph_decide_recursive_inlining): Do not perform recursive
1045 inlining on always-inline nodes.
1047 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1050 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1051 for exprs satisfying handled_component_p.
1053 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1055 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1056 non-constant aggregate elements.
1058 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1059 is a real initialization.
1061 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1064 * c-decl.c (start_function): Move forward check for nested function.
1066 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1068 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1069 * config/sh/sh.c: Include reload.h.
1070 (sh_legitimize_reload_address): New.
1071 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1072 sh_legitimize_reload_address.
1074 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1076 * config/sh/sh.md (*movqi_pop): New insn pattern.
1077 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1079 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1081 * config/i386/i386.md (any_shiftrt): New code iterator.
1082 (shiftrt_insn): New code attribute.
1084 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1085 using any_shiftrt code iterator.
1086 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1087 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1088 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1089 pattern from corresponding peephole2 patterns.
1090 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1091 using any_shiftrt code iterator.
1092 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1093 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1094 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1095 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1096 *{ashr,lshr}<mode>3_cmp_zext.
1097 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1099 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1101 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1103 (*lshr<mode>3_cconly): Ditto.
1105 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1107 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1108 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1109 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1110 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1112 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1113 from corresponding peephole2 patterns.
1114 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1115 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1116 and *lshrdi3_1_rex64 using SWI mode iterator.
1117 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1118 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1119 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1120 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1121 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1122 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1123 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1124 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1125 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1128 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1130 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1131 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1132 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1133 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1135 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1136 from corresponding peephole2 patterns.
1137 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1138 (ashrsi3_cvt): Rename from ashrsi3_31.
1139 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1140 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1141 and x86_64_shift_adj_3 using SWI48 mode iterator.
1142 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1143 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1144 and *ashrdi3_1_rex64 using SWI mode iterator.
1145 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1146 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1147 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1148 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1149 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1150 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1151 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1152 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1153 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1155 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1156 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1157 x86_shift<mode>_adj_3 expanders.
1159 2010-04-10 Wei Guozhi <carrot@google.com>
1162 * config/arm/arm.c (arm_pic_static_addr): New function.
1163 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1165 (arm_output_addr_const_extra): Output expression for new pattern.
1166 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1168 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1170 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1173 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1174 * web.c: Include "insn-config.h" and "recog.h".
1175 (union_match_dups): New function.
1176 (web_main): Call it.
1177 (union_defs): Don't try to recognize match_dups.
1179 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1180 if doing so would replace the entire pattern.
1182 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1186 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1187 and splitter pattern. Change splitter operand 1 predicate to
1190 2010-04-09 Martin Jambor <mjambor@suse.cz>
1192 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1193 lattices are addresses of CONST_DECLs with the same initial value.
1194 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1195 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1197 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1198 Bernd Schmidt <bernds@codesourcery.com>
1200 * loop-invariant.c (replace_uses): New static function.
1201 (move_invariant_reg): Use it to ensure we can replace the uses.
1203 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1205 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1207 (picochip_override_options): Enable section anchors only above -O1.
1208 (picochip_reorg): Fixed a couple of build warnings.
1210 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1212 * configure.ac (plugin -rdynamic test): Log result.
1213 * configure: Regenerate.
1214 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1215 (RDYNAMIC_SPEC): Define.
1216 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1218 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1220 * configure.ac: Determine Sun ld version numbers.
1221 (comdat_group): Restrict GNU ld version checks to gld.
1222 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1223 (enable_comdat): Support --enable-comdat.
1224 * configure: Regenerate.
1225 * doc/install.texi (Configuration): Document --enable-comdat.
1227 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1229 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1230 * config/sol2-gld.h: ... here.
1231 * config.gcc (sparc*-*-solaris2*): Reflect this.
1232 (i[34567]86-*-solaris2*): Use it.
1234 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1236 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1238 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1240 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1243 * diagnostic.c (diagnostic_initialize): Initialize
1244 some_warnings_are_errors.
1245 (diagnostic_finish): New.
1246 (diagnostic_action_after_output): Call it before exiting.
1247 (diagnostic_report_diagnostic): Do not print message here. Set
1248 some_warnings_are_errors.
1249 * diagnostic.h (diagnostic_context): Delete
1250 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1251 (diagnostic_finish): Declare.
1252 * toplev.c (toplev_main): Call it before exit.
1254 2010-04-09 Jason Merrill <jason@redhat.com>
1257 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1258 for incomplete type.
1261 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1262 based on a warning flag.
1264 2010-04-09 Richard Guenther <rguenther@suse.de>
1266 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1268 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1271 * varasm.c (default_assemble_visibility): Wrap vars that are
1272 set, but unused, by targets without GAS.
1273 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1274 Remove set, but unused, vars.
1275 (rs6000_legitimize_tls_address): Likewise.
1276 (altivec_expand_dst_builtin): Likewise.
1277 * config/darwin.c (machopic_classify_symbol): Likewise.
1278 (machopic_indirection_name): Likewise.
1280 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1282 * config/i386/i386.md (DWI): New mode iterator.
1283 (S): New mode attribute.
1284 (shift_operand): Ditto.
1285 (shift_immediate_operand): Ditto.
1286 (ashl_input_operand): Ditto.
1287 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1288 using SDWIM mode iterator.
1289 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1290 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1292 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1293 from corresponding peephole2 patterns.
1294 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1295 and x86_64_shift_adj_1 using SWI48 mode iterator.
1296 (x86_shift<mode>_adj_2): Ditto.
1297 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1298 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1299 using SWI48 mode iterator.
1300 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1301 *ashldi3_cmp_rex64 using SWI mode iterator.
1302 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1303 *ashldi3_cconly_rex64 using SWI mode iterator.
1304 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1305 x86_shift<mode>_adj_{1,2}.
1306 (ix86_split_ashr): Ditto.
1307 (ix86_split_lshr): Ditto.
1309 2010-04-09 Richard Guenther <rguenther@suse.de>
1311 * target.h (builtin_conversion): Pass in input and output types.
1312 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1313 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1314 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1315 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1317 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1319 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1321 2010-04-09 Richard Guenther <rguenther@suse.de>
1324 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1326 2010-04-09 Richard Guenther <rguenther@suse.de>
1328 * tree-vectorizer.h (struct _stmt_vec_info): Document
1329 that vectype is the type of the LHS.
1330 (supportable_widening_operation, supportable_narrowing_operation):
1331 Get both input and output vector types as arguments.
1332 (vect_is_simple_use_1): Declare.
1333 (get_same_sized_vectype): Likewise.
1334 * tree-vect-loop.c (vect_determine_vectorization_factor):
1335 Set STMT_VINFO_VECTYPE to the vector type of the def.
1336 (vectorizable_reduction): Adjust.
1337 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1338 Adjust. Specify the output vector type.
1339 (vect_pattern_recog_1): Adjust.
1340 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1341 (vectorizable_call): Adjust.
1342 (vectorizable_conversion): Likewise.
1343 (vectorizable_operation): Likewise.
1344 (vectorizable_type_demotion): Likewise.
1345 (vectorizable_type_promotion): Likewise.
1346 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1348 (vect_is_simple_use_1): New function.
1349 (supportable_widening_operation): Get both input and output
1351 (supportable_narrowing_operation): Likewise.
1352 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1354 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1356 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1357 __thiscall and _thiscall as predefined macros.
1358 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1359 thiscall attribute handling.
1360 (ix86_comp_type_attributes): Likewise.
1361 (ix86_function_regparm): Likewise.
1362 (ix86_return_pops_args): Likewise.
1363 (init_cumulative_args): Likewise.
1364 (find_drap_reg): Likewise.
1365 (ix86_static_chain): Likewise.
1366 (x86_this_parameter): Likewise.
1367 (x86_output_mi_thunk): Likewise.
1368 (ix86_attribute_table): Add description for thiscall attribute.
1369 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1370 * doc/extend.texi: Add documentation for thiscall.
1372 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1375 * c.opt (Wint-to-pointer-cast): Available in C++.
1376 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1378 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1380 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1381 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1382 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1383 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1384 function type instead. Reorder and simplify checks.
1386 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1388 2010-04-08 Jing Yu <jingyu@google.com>
1389 Zdenek Dvorak <ook@ucw.cz>
1391 PR tree-optimization/42720
1392 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1393 loop unswitch conditions here from ...
1394 (tree_unswitch_single_loop): ... here.
1396 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1398 * tree-if-conv.c: Fix comments and simplify logic.
1400 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1402 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1403 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1404 (main_tree_if_conversion): Update call to tree_if_conversion.
1406 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1409 * doc/invoke.texi (-b,-V): Delete.
1410 * doc/tm.texi: Do not mention -b.
1411 * gcc.c (display_help): Delete -b and -V.
1412 (process_command): Delete -b and -V.
1413 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1415 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1416 Wolfgang Gellerich <gellerich@de.ibm.com>
1418 Implement target hook for loop unrolling
1419 * target.h (loop_unroll_adjust): Add a new target hook function.
1420 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1421 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1422 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1423 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1424 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1426 (decide_unroll_stupid): Likewise.
1428 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1431 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1433 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1435 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1436 (Specific, *-*-solaris2*): Likewise.
1437 Don't prefer Sun as over GNU as.
1439 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1441 * config/s390/s390.c (override_options): Adjust the z10
1442 defaults for max-unroll-times, max-completely-peeled-insns
1443 and max-completely-peel-times.
1445 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1447 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1448 instructions for z10.
1449 (s390_expand_setmem): Likewise.
1450 (s390_expand_cmpmem): Likewise.
1452 2010-04-08 Richard Guenther <rguenther@suse.de>
1454 PR tree-optimization/43679
1455 * tree-ssa-pre.c (eliminate): Only propagate copies.
1457 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1460 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1461 set but not used variable warning.
1463 2010-04-08 Wei Guozhi <carrot@google.com>
1466 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1467 (arm_size_rtx_costs): Call the new function when optimized for size.
1469 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1472 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1473 op0 is not a MEM, just return NULL instead of assertion
1475 (discover_nonconstant_array_refs): Don't walk debug stmts.
1477 2010-04-08 Doug Kwan <dougkwan@google.com>
1479 * configure.ac: Recognize gold and do not use its version number
1480 to test ld features.
1481 * configure: Regenerate.
1483 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1486 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1487 (negate_value): Move code to push elements to broken_up_substracts ...
1488 (eliminate_plus_minus_pair): ... here. Push operands that have no
1489 negative pair to plus_negates.
1490 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1492 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1494 * doc/install.texi (Configuration): Move description of
1495 --enable-lto, --with-libelf*, --enable-gold from Java section to
1498 * doc/generic.texi (Working with declarations)
1499 (Function Properties, C and C++ Trees): Fix typos.
1500 * doc/sourcebuild.texi (Top Level): Likewise.
1502 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1505 * tree.h (DECL_READ_P): Define.
1506 (struct tree_decl_common): Add decl_read_flag.
1507 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1508 a set but not used warning.
1509 (merge_decls): Merge DECL_READ_P flag.
1510 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1511 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1512 * c-common.c (handle_used_attribute, handle_unused_attribute):
1514 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1516 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1518 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1519 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1520 c_parser_binary_expression, c_parser_cast_expression,
1521 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1522 Call default_function_array_read_conversion instead of
1523 default_function_array_conversion where needed.
1524 (c_parser_unary_expression, c_parser_conditional_expression,
1525 c_parser_postfix_expression_after_primary, c_parser_initelt):
1526 Likewise. Call mark_exp_read where needed.
1527 (c_parser_statement_after_labels, c_parser_asm_operands,
1528 c_parser_typeof_specifier, c_parser_sizeof_expression,
1529 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1531 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1533 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1534 (warn_unused_but_set_parameter): Default to warn_unused
1536 * doc/invoke.texi: Document -Wunused-but-set-variable and
1537 -Wunused-but-set-parameter.
1539 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1540 used count variable.
1541 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1542 when operandN variables aren't used in the body of the expander
1544 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1545 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1546 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1547 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1548 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1549 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1550 * tree.c (PROCESS_ARG): Likewise.
1552 2010-04-07 Simon Baldwin <simonb@google.com>
1554 * diagnostic.h (diagnostic_override_option_index): New macro to
1555 set a diagnostic's option_index.
1556 * c-tree.h (c_cpp_error): Add warning reason argument.
1557 * opts.c (_warning_as_error_callback): New.
1558 (register_warning_as_error_callback): Store callback for
1559 warnings enabled via enable_warning_as_error.
1560 (enable_warning_as_error): Call callback, minor code tidy.
1561 * opts.h (register_warning_as_error_callback): Declare.
1562 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1563 response to -Werror=.
1564 (c_common_init_options): Register warning_as_error_callback in opts.c.
1565 * common.opt: Add -Wno-cpp option.
1566 * c-common.c (struct reason_option_codes_t): Map cpp warning
1567 reason codes to gcc option indexes.
1568 * (c_option_controlling_cpp_error): New function, lookup the gcc
1569 option index for a cpp warning reason code.
1570 * (c_cpp_error): Add warning reason argument, call
1571 c_option_controlling_cpp_error for diagnostic_override_option_index.
1572 * doc/invoke.texi: Document -Wno-cpp.
1574 2010-04-07 Richard Guenther <rguenther@suse.de>
1576 * ipa-reference.c (mark_load): Use get_base_address.
1577 (mark_store): Likewise.
1579 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1580 inserting GIMPLE_NOPs into the IL.
1581 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1582 Explicitly strip handled components and indirect references.
1584 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1585 folding address expressions.
1586 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1587 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1588 operand_equal_p to compare decls.
1589 (ptr_deref_may_alias_decl_p): Likewise.
1590 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1591 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1592 Handle reversed comparison ops.
1593 * tree-sra.c (asm_visit_addr): Use get_base_address.
1594 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1595 * ipa-reference.c (mark_address): Use get_base_address.
1597 2010-04-07 Richard Guenther <rguenther@suse.de>
1599 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1600 Propagate constants everywhere.
1602 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1605 * tree.c (MAX_INT_CACHED_PREC): Define.
1606 (nonstandard_integer_type_cache): New array.
1607 (build_nonstandard_integer_type): Cache results for precision
1608 <= MAX_INT_CACHED_PREC.
1610 2010-04-07 Richard Guenther <rguenther@suse.de>
1612 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1613 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1614 * common.opt: Likewise.
1615 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1616 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1617 (nonoverlapping_memrefs_p): Likewise.
1618 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1619 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1620 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1621 OPT_fargument_noalias_global for backward compatibility.
1623 2010-04-07 Richard Guenther <rguenther@suse.de>
1625 PR tree-optimization/43270
1626 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1627 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1628 * tree-ssa-pre.c (phi_translate_1): Adjust.
1629 (fully_constant_expression): Split out vn_reference handling to ...
1630 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1631 Fold reads from constant strings.
1632 (vn_reference_lookup): Handle fully constant references.
1633 (vn_reference_lookup_pieces): Likewise.
1634 * Makefile.in (expmed.o-warn): Add -Wno-error.
1636 2010-04-07 Martin Jambor <mjambor@suse.cz>
1638 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1640 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1643 * gcc.c: Add -static-libstdc++ to list of recognized options.
1645 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1647 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1649 2010-04-07 Richard Guenther <rguenther@suse.de>
1652 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1653 bases build simple mem attributes to retain points-to information.
1655 2010-04-07 Richard Guenther <rguenther@suse.de>
1658 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1659 preserve points-to related information.
1661 2010-04-07 Richard Guenther <rguenther@suse.de>
1664 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1665 discard plain indirect references.
1666 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1667 * tree.c (tree_nop_conversion): Likewise.
1669 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1672 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1674 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1676 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1677 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1679 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1681 * tree-if-conv.c: Fix indentation and comments.
1683 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1685 * tree-if-conv.c: Sort static functions in topological order.
1687 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1689 * tree-if-conv.c: Fix indentation and comments.
1691 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1694 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1695 lang_hooks.types.type_for_size instead of
1696 build_nonstandard_integer_type.
1697 When converting an unsigned type to signed, double its precision.
1698 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1699 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1700 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1703 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1706 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1707 POINTER_PLUS_EXPR for pointer types.
1709 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1712 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1713 * graphite-clast-to-gimple.c: Include langhooks.h.
1714 (max_signed_precision_type): New.
1715 (max_precision_type): Takes two types as arguments.
1716 (precision_for_value): New.
1717 (precision_for_interval): New.
1718 (gcc_type_for_interval): New.
1719 (gcc_type_for_value): New.
1720 (gcc_type_for_clast_term): New.
1721 (gcc_type_for_clast_red): New.
1722 (gcc_type_for_clast_bin): New.
1723 (gcc_type_for_clast_expr): Split up into several functions.
1724 (gcc_type_for_clast_eq): Rewritten.
1725 (compute_bounds_for_level): New.
1726 (compute_type_for_level_1): New.
1727 (compute_type_for_level): New.
1728 (gcc_type_for_cloog_iv): Removed.
1729 (gcc_type_for_iv_of_clast_loop): Rewritten.
1730 (graphite_create_new_loop): Compute the lower and upper bound types
1731 with gcc_type_for_clast_expr.
1732 (graphite_create_new_loop_guard): Same.
1733 (find_cloog_iv_in_expr): Removed.
1734 (compute_cloog_iv_types_1): Removed.
1735 (compute_cloog_iv_types): Removed.
1736 (gloog): Do not call compute_cloog_iv_types.
1737 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1739 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1740 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1741 (GBB_CLOOG_IV_TYPES): Removed.
1743 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1745 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1746 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1747 (detect_commutative_reduction): Same.
1749 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1751 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1752 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1754 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1755 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1756 (rewrite_commutative_reductions_out_of_ssa): Same.
1757 * passes.c (execute_function_todo): Call verify_ssa for every pass
1758 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1759 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1760 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1761 with an extra argument.
1762 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1763 verify_ssa only when the extra argument is true.
1764 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1765 with an extra argument.
1766 (tree_transform_and_unroll_loop): Same.
1768 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1770 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1771 for all the passes of the LNO having LOOP_CLOSED_SSA.
1772 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1773 * tree-loop-distribution.c (pass_loop_distribution): Same.
1774 * tree-pass.h (TODO_verify_loops): Removed.
1775 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1777 (pass_tree_unswitch): Same.
1778 (pass_predcom): Same.
1779 (pass_vectorize): Same.
1780 (pass_linear_transform): Same.
1781 (pass_graphite_transforms): Same.
1782 (pass_iv_canon): Same.
1783 (pass_complete_unroll): Same.
1784 (pass_complete_unrolli): Same.
1785 (pass_parallelize_loops): Same.
1786 (pass_loop_prefetch): Same.
1787 (pass_iv_optimize): Same.
1789 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1792 * passes.c (init_optimization_passes): Move pass_lim before
1793 pass_copy_prop and pass_dce_loop.
1795 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1798 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1799 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1800 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1801 MULTI_* defines for 4 argument vpermil2p* builtins.
1803 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1805 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1806 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1807 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1808 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1809 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1810 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1811 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1812 Use x86_maybe_negate_const_int to output insn mnemonic.
1813 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1814 check from instruction predicate. Update comments.
1815 * config/i386/sync.md (sync_add<mode>): Use
1816 x86_maybe_negate_const_int to output insn mnemonic.
1818 2010-04-06 Jan Hubicka <jh@suse.cz>
1820 PR tree-optimization/42906
1821 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1822 IGNORE_SELF argument. Set visited_control_parents for fully
1824 (find_obviously_necessary_stmts): Update call of
1825 mark_control_dependent_edges_necessary.
1826 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1828 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1830 * config/i386/i386.md: Remove comment about 'e' and 'E'
1833 2010-04-06 Richard Guenther <rguenther@suse.de>
1835 PR tree-optimization/43627
1836 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1837 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1840 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1842 * BASE-VER: Change to 4.6.0.
1845 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1848 2010-04-06 Richard Guenther <rguenther@suse.de>
1851 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1853 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1855 * doc/invoke.texi (Optimize Options): Document that LTO
1856 won't remove object access purely due to incompatible
1859 2010-04-04 Matthias Klose <doko@ubuntu.com>
1861 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1862 Initialize variable.
1864 2010-04-03 Richard Guenther <rguenther@suse.de>
1867 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1868 require a non-NULL MEM_OFFSET.
1870 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
1872 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1873 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1874 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1875 config/alpha/predicates.md, config/arm/arm.md,
1876 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1877 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1878 config/darwin9.h, config/darwin.c, config/darwin.h,
1879 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1880 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1881 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1882 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1883 config/mips/mips.md, config/mn10300/mn10300.c,
1884 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1885 config/rs6000/aix.h, config/rs6000/dfp.md,
1886 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1887 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1888 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1889 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1890 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1891 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1892 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1893 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1894 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1895 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1896 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1897 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1898 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1899 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1900 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1901 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1902 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1903 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1904 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1905 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1906 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1907 opt-functions.awk, opth-gen.awk, params.def, passes.c,
1908 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1909 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1910 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1911 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1912 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1913 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1914 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1915 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1916 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1917 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1918 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1919 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1920 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1921 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1923 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1926 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1927 * aclocal.m4: Regenerate.
1929 2010-04-02 Richard Guenther <rguenther@suse.de>
1931 PR tree-optimization/43629
1932 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1933 if we have seen a constant value.
1935 2010-04-02 Joseph Myers <joseph@codesourcery.com>
1937 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1939 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
1942 * arm.c (legitimize_tls_address): Adjust call to
1943 gen_tls_load_dot_plus_four.
1944 (arm_note_pic_base): New function.
1945 (arm_cannot_copy_insn_p): Use it.
1946 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1949 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1954 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1956 * Makefile.in ($(out_object_file)): Depend on
1957 gt-$(basename $(notdir $(out_file))).h.
1959 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
1961 * config.gcc (lm32-*-rtems*): Add t-lm32.
1963 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
1965 * config.gcc: Add lm32-*-rtems*.
1966 * config/lm32/rtems.h: New file.
1968 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
1971 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1973 2010-04-01 Jakub Jelinek <jakub@redhat.com>
1975 * dwarf2out.c (output_compilation_unit_header): For
1976 -gdwarf-4 use version 4 instead of version 3.
1977 (output_line_info): For version 4 and above emit additional
1978 maximum ops per insn header field.
1979 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1981 * dwarf2out.c (is_c_family, is_java): Remove.
1982 (lower_bound_default): New function.
1983 (add_bound_info, gen_descr_array_type_die): Use it.
1985 2010-04-01 Dodji Seketeli <dodji@redhat.com>
1988 * dwarf2out.c (gen_variable_die): Allow debug info for variable
1989 re-declaration when it happens in a function.
1991 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
1993 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1994 (cgraph_remove_function_insertion_hook): Same.
1995 (cgraph_call_function_insertion_hooks): Same.
1997 2010-04-01 Richard Guenther <rguenther@suse.de>
2000 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2001 and TREE_THIS_VOLATILE.
2002 (copy_ref_info): Likewise.
2003 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2004 * tree.c (build6_stat): Ignore side-effects of all but arg5
2005 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2008 2010-04-01 Richard Guenther <rguenther@suse.de>
2010 PR tree-optimization/43607
2011 * ipa-type-escape.c (check_call): Do not access non-existing
2014 2010-04-01 Richard Guenther <rguenther@suse.de>
2018 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2019 Jack Howarth <howarth@bromo.med.uc.edu>
2021 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2024 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2026 * doc/install.texi (Prerequisites): Document libelf usability on
2027 IRIX 5/6 and Solaris 2.
2028 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2029 Update GNU as, GNU ld requirements.
2030 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2031 Document Sun Studio compiler download.
2032 Update and simplify as, ld recommendations.
2033 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2035 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2037 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2038 with_tune_32 to pentium4.
2040 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2042 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2044 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2046 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2047 obsoletion, removal.
2049 Document GNU as requirement.
2050 Update configure requirements.
2051 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2052 Recomment IRIX 6.5.18+.
2053 Document IDF/IDL requirement.
2054 Document GNU as requirement.
2055 Document GNU ld bootstrap failure.
2056 Remove freeware.sgi.com reference.
2058 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2060 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2061 UNIX V4.0, V5.0 obsoletion, removal.
2062 Remove --with-gc=simple reference.
2063 Update VM requirements during bootstrap.
2064 Remove -oldas bootstrap description.
2065 Update binutils reference.
2066 Remove comparison failure note.
2068 2010-03-31 Richard Guenther <rguenther@suse.de>
2069 Zdenek Dvorak <ook@ucw.cz>
2070 Sebastian Pop <sebastian.pop@amd.com>
2073 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2074 with multiple arguments.
2075 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2077 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2079 * graphite-dependences.c (print_pddr): Call print_pdr with an
2081 * graphite-poly.c (debug_pdr): Add an extra argument for the
2084 (print_pbb_domain): Same.
2086 (print_scop_context): Same.
2088 (print_cloog): Same.
2089 (debug_pbb_domain): Same.
2093 (debug_scop_context): Same.
2095 (debug_cloog): Same.
2096 (print_scop_params): Same.
2097 (debug_scop_params): Same.
2098 (print_iteration_domain): Same.
2099 (print_iteration_domains): Same.
2100 (debug_iteration_domain): Same.
2101 (debug_iteration_domains): Same.
2102 (print_scattering_function): Same.
2103 (print_scattering_functions): Same.
2104 (debug_scattering_function): Same.
2105 (debug_scattering_functions): Same.
2106 * graphite-poly.h (debug_pdr): Update declaration.
2108 (print_pbb_domain): Same.
2110 (print_scop_context): Same.
2112 (print_cloog): Same.
2113 (debug_pbb_domain): Same.
2117 (debug_scop_context): Same.
2119 (debug_cloog): Same.
2120 (print_scop_params): Same.
2121 (debug_scop_params): Same.
2122 (print_iteration_domain): Same.
2123 (print_iteration_domains): Same.
2124 (debug_iteration_domain): Same.
2125 (debug_iteration_domains): Same.
2126 (print_scattering_function): Same.
2127 (print_scattering_functions): Same.
2128 (debug_scattering_function): Same.
2129 (debug_scattering_functions): Same.
2131 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2133 * graphite-poly.c (print_scattering_function_1): New.
2134 (print_scattering_function): Call it.
2135 (print_scop_params): Remove spaces at the end of lines.
2138 * graphite-poly.h (print_cloog): Declared.
2139 (debug_cloog): Declared.
2141 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2143 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2145 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2146 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2147 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2148 to switch between adding the IV bump in loop->latch or in loop->header.
2150 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2152 * graphite-poly.c (print_scattering_function): Pretty print following
2155 (print_pbb_domain): Same.
2156 (dump_gbb_cases): Same.
2157 (dump_gbb_conditions): Same.
2160 (print_scop_params): Same.
2161 (print_scop_context): Same.
2163 (print_pbb_body): New.
2164 (lst_indent_to): New.
2165 (print_lst): Start new lines with a #.
2166 * graphite-poly.h (pbb_bb): New.
2167 (pbb_index): Use pbb_bb.
2168 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2170 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2172 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2174 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2175 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2176 and 0 instead of 1 for dw_val_class_flag.
2177 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2178 dw_val_class_range_list, dw_val_class_loc_list,
2179 dw_val_class_lineptr and dw_val_class_macptr, use
2180 DW_FORM_flag_present for dw_val_class_flag and
2181 DW_FORM_exprloc for dw_val_class_loc.
2182 (output_die): For -gdwarf-4 print dw_val_class_loc
2183 size as uleb128 instead of 1 or 2 bytes and don't print
2184 anything for dw_val_class_flag.
2186 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2187 instead of cselib_lookup following by tweaking locs->setting_insn.
2190 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2191 even before returning from label, setjmp call or volatile asm
2194 2010-03-31 Richard Guenther <rguenther@suse.de>
2197 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2198 temporary data on stack.
2200 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2202 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2203 (PUSHSECTION_ASM_OP): Remove.
2204 (POPSECTION_ASM_OP): Remove.
2205 (PUSHSECTION_FORMAT): Remove.
2206 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2207 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2208 * config/sol2.c (solaris_output_init_fini): Use it.
2210 2010-03-31 Jie Zhang <jie@codesourcery.com>
2213 * opt-functions.awk (var_type_struct): Use signed char type
2214 for simple variables.
2216 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2218 * config/sol2.c: Include output.h.
2219 (solaris_assemble_visibility): New function.
2220 * config/t-sol2 (sol2.o): Add output.h dependency.
2221 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2222 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2225 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2228 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2229 V2SImode or XFmode on PRE_DEC.
2232 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2235 2010-03-31 Jie Zhang <jie@codesourcery.com>
2238 * reload.h (caller_save_initialized_p): Declare.
2239 * toplev.c (backend_init_target): Don't call
2240 init_caller_save but set caller_save_initialized_p to false.
2241 * caller-save.c (caller_save_initialized_p): Define.
2242 (init_caller_save): Check caller_save_initialized_p.
2243 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2245 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2248 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2249 and soft-fp/t-softfp to tmake_file.
2250 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2251 (LIBGCC2_TF_CEXT): Define.
2254 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2257 * cselib.c (n_useless_values): Document handling of debug locs.
2258 (n_useless_debug_values, n_debug_values): New variables.
2259 (new_elt_loc_list): Don't add to debug values, keep count.
2260 (promote_debug_loc): New.
2261 (cselib_reset_table): Zero new variables.
2262 (entry_and_rtx_equal_p): Promote debug locs.
2263 (discard_useless_locs): Increment n_useless_debug_values for
2265 (remove_useless_values): Adjust n_useless_values and n_debug_values
2266 with n_useless_debug_values.
2267 (add_mem_for_addr): Promote debug locs.
2268 (cselib_lookup_mem): Likewise.
2269 (cselib_lookup_addr): Renamed to...
2270 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2271 (cselib_log_lookup): ... this. Turn into...
2272 (cselib_lookup_addr): ... new wrapper.
2273 (cselib_lookup_from_insn): New.
2274 (cselib_invalidate_regno): Increment n_useless_debug_values for
2276 (cselib_invalidate_mem): Likewise.
2277 (cselib_process_insn): Take n_deleted and n_debug_values into
2278 account to guard remove_useless_value call.
2279 (cselib_finish): Zero n_useless_debug_values.
2280 * cselib.h (cselib_lookup_from_insn): Declare.
2281 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2282 (sched_analyze_2): Likewise.
2284 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2286 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2288 (adjust_mems): Replace narrowing SUBREG of expression containing
2289 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2290 with operations in the narrower mode.
2293 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2294 regs_invalidated_by_call instead all call_used_reg_set registers.
2296 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2299 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2300 pointer comparisons with types_compatible_p.
2301 * tree-vect-stmts.c (vectorizable_call): Same.
2302 (vectorizable_condition): Same.
2304 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2306 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2307 stack check if the mask would be zero.
2309 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2310 Jack Howarth <howarth@bromo.med.uc.edu>
2312 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2315 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2318 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2320 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2321 Include ___unordxf2 and ___unordtf2.
2322 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2325 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2327 * config/lm32/t-lm32: New file.
2328 * config.gcc: Use the above file when targetting lm32.
2330 2010-03-28 Duncan Sands <baldrick@free.fr>
2332 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2334 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2337 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2338 Improve vectorization cost model diagnostic.
2340 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2343 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2344 compute_data_dependences_for_loop returns false, early exit
2345 and output an extra diagnostic for the failed data reference
2348 2010-03-29 Richard Guenther <rguenther@suse.de>
2350 PR tree-optimization/43560
2351 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2352 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2354 2010-03-29 Jie Zhang <jie@codesourcery.com>
2357 * toplev.c (process_options): Set optimization_default_node
2358 and optimization_current_node.
2359 * opts.c (decode_options): Don't set optimization_default_node
2360 and optimization_current_node.
2362 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2364 * config/rtems.h: Abandon -qrtems_debug.
2366 2010-03-28 Jan Hubicka <jh@suse.cz>
2368 PR tree-optimization/43505
2369 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2370 map should not be copied.
2372 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2375 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2376 cdtors, set DECL_PRESERVE_P.
2377 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2380 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2382 PR tree-optimization/43528
2383 * stor-layout.c (place_field): Check that constant fits into
2384 unsigned HWI when skipping calculation of MS bitfield layout.
2386 2010-03-27 Jan Hubicka <jh@suse.cz>
2389 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2390 notice_global_symbol work.
2392 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2394 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2395 instead of dwarf2out_decl.
2396 (struct var_loc_node): Remove section_label field.
2397 (dwarf2out_function_decl): New function.
2398 (dwarf2out_var_location): Don't set section_label field.
2399 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2401 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2403 PR tree-optimization/43544
2404 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2405 First argument for builtin vectorized function hook is now a
2406 tree to be able to distinguish between machine specific and
2408 * targhooks.c (default_builtin_vectorized_function): Ditto.
2409 * targhooks.h (default_builtin_vectorized_function): Ditto.
2410 * target.h (struct gcc_target): Ditto.
2411 * tree-vect-stmts.c (vectorizable_function): Ditto.
2412 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2413 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2416 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2419 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2420 nested binding iff it is a FUNCTION_DECL.
2421 (store_parm_decls_newstyle): Pass nested=true to bind for
2422 FUNCTION_DECLs amongst parameters.
2424 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2426 * var-tracking.c (vt_expand_loc_callback): Don't run
2427 cselib_expand_value_rtx_cb in dummy mode if
2428 cselib_dummy_expand_value_rtx_cb returned false.
2430 * var-tracking.c (emit_note_insn_var_location): For one part
2431 notes with offset 0, don't add EXPR_LIST around the location.
2432 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2433 add_location_or_const_value_attribute): Adjust for that change.
2436 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2437 into first operand and location into second.
2438 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2439 dw_cfi_oprnd_loc for DW_CFA_expression.
2440 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2441 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2442 assume first argument is regnum and second argument is location.
2444 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2447 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2448 of scratch register to DImode. Split to DImode comparison operator.
2449 Use SImode subreg of scratch register in the multiplication.
2450 (*cmp_sadd_sidi): Ditto.
2451 (*cmp_ssub_si): Ditto.
2452 (*cmp_ssub_sidi): Ditto.
2454 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2457 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2458 Remove invalid assert and wrong comment.
2460 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2463 * flags.h (final_insns_dump_p): New extern.
2464 * final.c (final_insns_dump_p): New variable.
2465 (rest_of_clean_state): Set it before -fdump-final-insns=
2466 dumping, clear afterwards.
2467 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2468 MEM_ALIAS_SET on MEMs.
2470 2010-03-26 David S. Miller <davem@davemloft.net>
2472 * configure.ac: Fix sparc GOTDATA_OP bug check.
2473 * configure: Rebuild.
2475 2010-03-26 Alan Modra <amodra@gmail.com>
2477 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2479 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2481 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2482 TLS_SECTION_ASM_FLAG.
2484 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2487 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2488 Clear first_function_block_is_cold.
2491 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2492 argument if the argument is truth_value_p.
2494 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2496 * config/rs6000/constraints.md: Update copyright year for my changes.
2499 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2500 used in reg+reg addressing, swap registers.
2502 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2505 * target.h (struct gcc_target): Add code_end hook.
2506 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2508 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2509 * toplev.c (compile_file): Call targetm.asm_out.code_end
2510 hook before unwind info/debug info output.
2511 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2512 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2513 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2514 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2515 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2516 * config/i386/i386.c (ix86_file_end): Renamed to...
2517 (ix86_code_end): ... this. Make static. Don't call
2518 file_end_indicate_exec_stack. Emit unwind info using
2519 final_start_function/final_end_function.
2520 (darwin_x86_file_end): Remove.
2521 (TARGET_ASM_CODE_END): Define.
2522 * config/i386/i386.h (TARGET_ASM_FILE_END,
2523 NEED_INDICATE_EXEC_STACK): Don't define.
2524 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2525 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2526 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2527 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2530 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2531 at the beginning and final_end_function at the end.
2532 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2534 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2536 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2537 and Sun as TLS syntax.
2538 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2539 * configure: Regenerate.
2540 * config.in: Regenerate.
2541 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2542 (default_elf_asm_named_section): Use it.
2543 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2544 (i386_output_dwarf_dtprel): Likewise.
2545 (output_addr_const_extra): Likewise.
2546 (output_pic_addr_const): Lowercase @GOTTPOFF.
2547 (output_addr_const_extra): Likewise.
2548 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2549 (output_addr_const_extra): Likewise.
2550 (output_pic_addr_const): Lowercase @INDNTPOFF.
2551 (output_addr_const_extra): Likewise.
2552 (output_pic_addr_const): Lowercase @NTPOFF.
2553 (output_addr_const_extra): Likewise.
2554 (output_pic_addr_const): Lowercase @TPOFF.
2555 (output_addr_const_extra): Likewise.
2556 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2557 (*tls_global_dynamic_64): Likewise.
2558 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2559 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2561 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2562 (ASM_OUTPUT_TLS_COMMON): Use it.
2563 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2566 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2567 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2568 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2569 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2570 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2571 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2573 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2575 * config/i386/i386.c (override_options): Don't accept
2576 -mtls-dialect=sun any longer.
2577 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2578 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2579 (*tls_local_dynamic_base_32_sun): Likewise.
2580 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2582 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2585 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2586 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2589 * ira.c (adjust_cleared_regs): New function.
2590 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2594 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2596 * expr.c (expand_expr_real): Restore previous
2597 curr_insn_source_location and curr_insn_block after
2598 expand_expr_real_1 call.
2599 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2600 instead of expand_expr_real_1.
2602 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2604 PR rtl-optimization/43413
2605 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2608 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2611 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2612 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2614 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2616 * config/i386/i386.c (ix86_target_string): Add -mfma.
2617 Fix a typo in comment.
2619 2010-03-22 Mike Stump <mikestump@comcast.net>
2622 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2623 Don't overly align based upon packed packed fields.
2625 2010-03-22 Jason Merrill <jason@redhat.com>
2627 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2628 Use () rather than [], and move before the element type.
2630 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2632 * doc/configfiles.texi (Configuration Files): Removed
2633 fixinc/Makefile*, intl/Makefile.*.
2634 * doc/makefile.texi: Fixed markup. Abstract from version
2635 control system used.
2636 (Makefile): Removed obsolete gcc/java/parse.y example.
2637 * doc/sourcebuild.texi: Likewise.
2638 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2639 libgomp, libssp. Removed fastjar.
2640 (Miscellaneous Docs): Clarify location.
2641 Added COPYING3, COPYING3.LIB.
2642 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2644 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2647 * config/i386/i386.c (x86_function_profiler)
2648 [!NO_PROFILE_COUNTERS]: Fix typo.
2649 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2652 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2653 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2655 * doc/sourcebuild.texi (Test Directives): Split into six
2656 subsections, with most of the current text in new subsections
2657 Directives, Selectors, and Final Actions.
2658 (Directives): Split list of test directives into multiple
2660 (Selectors): Describe use and syntax of selectors.
2661 (Effective-Target Keywords): Describe all existing keywords.
2662 (Add Options): Describe features for dg-add-options.
2663 (Require Support): Describe variants of dg-require-support.
2664 (Final Actions): Describe commands to use in dg-final.
2666 2010-03-22 Michael Matz <matz@suse.de>
2669 * recog.c (validate_replace_rtx_group): Replace also in
2670 REG_EQUAL and REG_EQUIV notes.
2672 2010-03-22 Richard Guenther <rguenther@suse.de>
2674 PR tree-optimization/43390
2675 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2676 sure vector extracts are type correct.
2678 2010-03-22 Richard Guenther <rguenther@suse.de>
2681 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2682 x * sqrt (x) even when optimizing for size if the target
2683 has native support for sqrt.
2685 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2687 * varasm.c (make_decl_rtl_for_debug): Also clear
2688 flag_mudflap for the duration of make_decl_rtl call.
2691 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2692 locs from preserved VALUEs.
2694 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2697 * pa.md (movmemsi): Set align to one if zero.
2698 (movmemdi): Likewise.
2700 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2703 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2704 with their corresponding prologue pushes.
2706 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2709 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2710 at the begining or end.
2711 (spu_expand_epilogue): Likewise.
2713 2010-03-20 Richard Guenther <rguenther@suse.de>
2715 PR rtl-optimization/43438
2716 * combine.c (make_extraction): Properly zero-/sign-extend an
2717 extraction of the low part of a CONST_INT. Also handle
2720 2010-03-19 Mike Stump <mikestump@comcast.net>
2722 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2723 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2724 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2726 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2729 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2732 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2734 PR rtl-optimization/42258
2735 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2736 use that may match DEF.
2739 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2740 the cost of loading the constant rather than assuming
2742 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2743 outer code is AND, do the same tests as the andsi3 expander and
2744 return COSTS_N_INSNS (1) if and is cheap.
2746 * optabs.c (avoid_expensive_constant): Fix formatting.
2748 2010-03-19 Michael Matz <matz@suse.de>
2751 * attribs.c (decl_attributes): When rebuilding a function pointer
2752 type use the same qualifiers as the original pointer type.
2754 2010-03-19 Martin Jambor <mjambor@suse.cz>
2756 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2757 and is_gimple_ip_invariant_address.
2759 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2762 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2764 * config/arm/arm.c (arm_override_options): Turn off
2765 flag_dwarf2_cfi_asm for AAPCS variants.
2767 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2770 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2771 Use PRE_MODIFY instead of PRE_DEC.
2772 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2773 (vfp_emit_fstmd): Likewise.
2775 2010-03-19 Michael Matz <matz@suse.de>
2778 * builtins.c (expand_builtin_interclass_mathfn,
2779 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2782 2010-03-19 Richard Guenther <rguenther@suse.de>
2784 PR tree-optimization/43415
2785 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2786 (phi_translate_1): ... this.
2787 (phi_translate): Move all caching here. Cache all NARY
2788 and REFERENCE translations.
2790 2010-03-19 David S. Miller <davem@davemloft.net>
2792 With help from Eric Botcazou.
2793 * config/sparc/sparc.c: Include dwarf2out.h.
2794 (emit_pic_helper): Delete.
2795 (pic_helper_symbol_name): Delete.
2796 (pic_helper_emitted_p): Delete.
2797 (pic_helper_needed): New.
2798 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2799 (get_pc_thunk_name): New.
2800 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2801 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2802 Set pic_helper_needed to true. Don't call emit_pic_helper.
2803 (sparc_expand_prologue): Update load_pic_register call.
2804 (sparc_output_mi_thunk): Likewise.
2805 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2806 thunk if possible. Output CFI information as needed.
2808 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2809 Jack Howarth <howarth@bromo.med.uc.edu>
2812 * config/i386/i386.h: Fix ABI on darwin x86-32.
2814 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2816 * tree.h: Declare make_decl_rtl_for_debug.
2817 * varasm.c (make_decl_rtl_for_debug): New.
2818 * dwarf2out.c (rtl_for_decl_location): Call it.
2819 * cfgexpand.c (expand_debug_expr): Call it.
2821 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2824 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2828 * var-tracking.c (vt_init_cfa_base): Do nothing if
2829 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2831 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2834 * var-tracking.c (canonicalize_vars_star): New.
2835 (dataflow_post_merge_adjust): Use it.
2837 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2840 * var-tracking.c (non_suitable_const): New function.
2841 (add_uses): For DEBUG_INSNs with constants, don't record any
2842 value, instead just the constant value itself.
2843 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2844 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2845 (emit_notes_in_bb): Likewise.
2846 (emit_note_insn_var_location): For onepart variables if
2847 cur_loc is a VOIDmode constant, use DECL_MODE.
2849 2010-03-18 Martin Jambor <mjambor@suse.cz>
2852 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2853 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2854 all non-clones. Moved call redirection...
2855 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2856 (cgraph_materialize_all_clones): Dispose of all
2857 combined_args_to_skip bitmaps.
2858 (verify_cgraph_node): Do not check for edges pointing to wrong
2859 nodes in inline clones.
2860 * tree-inline.c (copy_bb): Call
2861 cgraph_redirect_edge_call_stmt_to_callee.
2862 * ipa.c (cgraph_remove_unreachable_nodes): Call
2863 cgraph_node_remove_callees even when there are used clones.
2865 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2867 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2869 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2872 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2875 2010-03-18 Michael Matz <matz@suse.de>
2878 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2879 into sqrt(x) if we need to preserve signed zeros.
2881 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
2882 Eric Botcazou <ebotcazou@adacore.com>
2884 PR rtl-optimization/43360
2885 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2886 note if we don't know its invariant status.
2888 2010-03-18 Michael Matz <matz@suse.de>
2890 PR tree-optimization/43402
2891 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2892 PHI chains of ssa names registered for update.
2894 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
2897 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2898 non-offsettable and pre_modify update addressing.
2899 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2900 and "2" alternatives "#".
2901 (*movdd_softfloat32): Make all alternatives "#";
2902 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2903 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2904 (*movdf_softfloat32): Make all alternatives "#";
2905 (movdi): Use the new DIFD mode iterator to create a common splitter
2906 for movdi, movdf and movdd patterns.
2908 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
2910 * common.opt (dumpdir): Remove redundant tab.
2912 2010-03-17 Martin Jambor <mjambor@suse.cz>
2914 PR tree-optimization/43347
2915 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2916 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2918 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
2920 PR rtl-optimization/42216
2921 * regrename.c (create_new_chain): New function, broken out from...
2922 (scan_rtx_reg): ... here. Call it. Handle the case where we are
2923 appending a use to an empty chain.
2924 (build_def_use): Remove previous changes that convert OP_INOUT to
2925 OP_OUT operands; instead detect the case where an OP_INOUT operand
2926 uses a previously untracked register and create an empty chain for it.
2928 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2930 * doc/extend.texi (Function Attributes): Rewrite unfinished
2931 sentence in ms_abi documentation.
2933 2010-03-17 Alan Modra <amodra@gmail.com>
2935 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2936 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2937 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2938 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2940 2010-03-16 Richard Henderson <rth@redhat.com>
2943 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2944 (lower_try_finally): Save and restore eh_seq around the expansion
2947 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2949 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2950 statements before splitting block.
2952 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2954 * doc/sourcebuild.texi (Testsuites): Fix markup.
2955 Use pathnames relative to gcc/testsuite.
2956 (Test Directives): Move description of how timeout is determined.
2957 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2958 (C Tests): Correct gcc.misc-tests directory.
2959 Framework tests now live in gcc.test-framework.
2961 2010-03-16 Richard Guenther <rguenther@suse.de>
2964 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2965 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2967 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2968 Alexandre Oliva <aoliva@redhat.com>
2970 PR tree-optimization/42917
2971 * lambda-code.c (remove_iv): Skip debug statements.
2972 (lambda_loopnest_to_gcc_loopnest): Likewise.
2973 (not_interesting_stmt): Debug statements are not interesting.
2975 2010-03-16 Jakub Jelinek <jakub@redhat.com>
2979 * cselib.c (cselib_preserve_constants,
2980 cfa_base_preserved_val): New static variables.
2981 (preserve_only_constants): New function.
2982 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2983 clear its REG_VALUES. If cselib_preserve_constants, don't
2984 empty the whole hash table, but preserve there VALUEs with constants,
2985 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2986 (cselib_preserve_cfa_base_value): New function.
2987 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2988 (cselib_init): Change argument to int bitfield. Set
2989 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2991 (cselib_finish): Clear cselib_preserve_constants and
2992 cfa_base_preserved_val.
2993 * cselib.h (enum cselib_record_what): New enum.
2994 (cselib_init): Change argument to int.
2995 (cselib_preserve_cfa_base_value): New prototype.
2996 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2997 * dse.c (dse_step1): Likewise.
2998 * cfgcleanup.c (thread_jump): Likewise.
2999 * sched-deps.c (sched_analyze): Likewise.
3000 * gcse.c (local_cprop_pass): Likewise.
3001 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3002 If FN is non-NULL, call the callback always and whenever it returns
3003 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3004 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3005 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3006 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3007 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3008 * var-tracking.c: Include recog.h.
3009 (bb_stack_adjust_offset): Remove.
3010 (vt_stack_adjustments): Don't call it, instead just gather the
3011 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3012 (adjust_stack_reference): Remove.
3013 (compute_cfa_pointer): New function.
3014 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3015 (struct adjust_mem_data): New type.
3016 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3018 (get_address_mode): New function.
3019 (replace_expr_with_values): Use it.
3020 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3021 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3022 (adjust_sets): Remove.
3023 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3024 Use get_address_mode.
3025 (get_adjusted_src): Remove.
3026 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3027 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3028 (add_with_sets): Don't call adjust_sets.
3029 (fp_setter, vt_init_cfa_base): New functions.
3030 (vt_initialize): Change return type to bool. Move most of pool etc.
3031 initialization to the beginning of the function from end. Pass
3032 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3033 If !frame_pointer_needed, call vt_stack_adjustment before mos
3034 vector is filled, call vt_init_cfa_base if argp/framep has been
3035 eliminated to sp. If frame_pointer_needed and argp/framep has
3036 been eliminated to hard frame pointer, set
3037 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3038 encountering fp setter in the prologue. For MO_ADJUST, call
3039 log_op_type before pusing the op into mos vector, not afterwards.
3040 Call adjust_insn before cselib_process_insn/add_with_sets,
3041 call cancel_changes (0) afterwards.
3042 (variable_tracking_main_1): Adjust for vt_initialize calling
3043 vt_stack_adjustments and returning whether it succeeded or not.
3045 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3047 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3050 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3052 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3054 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3055 drap_reg has not been set.
3057 2010-03-15 Michael Matz <matz@suse.de>
3060 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3061 use it to expand block copies.
3062 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3063 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3064 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3066 2010-03-15 Richard Guenther <rguenther@suse.de>
3068 PR tree-optimization/43367
3069 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3072 2010-03-15 Richard Guenther <rguenther@suse.de>
3074 PR tree-optimization/43317
3075 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3077 2010-03-15 Martin Jambor <mjambor@suse.cz>
3079 PR tree-optimization/43141
3080 * tree-sra.c (create_abstract_origin): New function.
3081 (modify_function): Call create_abstract_origin.
3083 2010-03-15 Chris Demetriou <cgd@google.com>
3085 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3088 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3091 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3092 call insert_out_of_ssa_copy for default definitions.
3094 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3096 * graphite-clast-to-gimple.c (my_long_long): Defined.
3097 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3098 * graphite-sese-to-poly.c (my_long_long): Defined.
3099 (scop_ivs_can_be_represented): Use it.
3101 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3103 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3104 graphite-max-bbs-per-function, and loop-block-tile-size.
3105 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3107 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3109 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3111 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3112 forward declaration.
3113 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3114 (add_upper_bounds_from_estimated_nit): New.
3115 (build_loop_iteration_domains): Use it.
3117 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3119 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3121 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3124 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3125 should be an INTEGER_CST. Also handle CASE_CONVERT.
3127 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3129 * graphite.c (graphite_initialize): To bound the number of bbs per
3130 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3131 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3132 * doc/invoke.texi: Document it.
3134 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3136 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3137 * graphite-sese-to-poly.h (build_poly_scop): Same.
3139 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3141 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3142 the number of parameters in the scop. Use as an upper bound
3143 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3144 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3145 * doc/invoke.texi: Document it.
3147 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3149 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3150 * doc/c-tree.texi: Remove.
3151 * doc/generic.texi: Merge c-tree.texi here.
3152 * doc/gccint.texi (Trees): Remove menu entry.
3153 (c-tree.texi): Remove @include.
3154 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3155 * doc/languages.texi (Reading RTL): Ditto.
3157 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3160 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3162 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3165 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3166 code added to work around reload clobbering CONST insns.
3168 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3170 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3171 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3172 (cselib_preserve_only_values): Remove retain argument, don't
3173 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3174 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3175 * var-tracking.c (micro_operation): Move insn field before union.
3176 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3177 (struct variable_tracking_info_def): Remove n_mos field, change
3178 mos into a vector of micro_operations.
3179 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3180 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3181 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3182 changing into a vector.
3183 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3184 come before all other uops generated by add_stores.
3185 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3187 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3188 a vector. Run just one pass over the bbs instead of separate counting
3189 and computation phase.
3190 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3193 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3194 into *nonlocalized_list vector.
3195 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3196 even if origin is non-NULL.
3197 (gen_variable_die): Likewise.
3198 (process_scope_var): Don't change origin.
3199 (gen_decl_die): Likewise.
3200 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3201 before adding new edges instead of after it, fix moving over
3204 2010-03-11 David S. Miller <davem@davemloft.net>
3206 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3208 * configure: Rebuild.
3210 2010-03-11 Martin Jambor <mjambor@suse.cz>
3212 PR tree-optimization/43257
3213 * tree.c (assign_assembler_name_if_neeeded): New function.
3214 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3216 * tree.h (assign_assembler_name_if_neeeded): Declare.
3217 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3218 the function if needed.
3220 2010-03-11 Chris Demetriou <cgd@google.com>
3222 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3223 include/stdint-gcc.h, and include/stdint.h world-readable.
3225 2010-03-11 Richard Guenther <rguenther@suse.de>
3227 PR tree-optimization/43255
3228 * tree-vrp.c (process_assert_insertions_for): Do not insert
3229 asserts for trivial conditions.
3231 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3233 PR tree-optimization/43280
3234 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3235 generation. Move calculation of size out of the if branch.
3236 (find_bswap): Modify compare number generation.
3238 2010-03-11 Richard Guenther <rguenther@suse.de>
3241 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3242 (input_gimple_stmt): Fixup handled component types during
3243 operand read. Also fix up decls in ADDR_EXPRs.
3245 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3247 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3248 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3250 2010-03-10 Jan Hubicka <jh@suse.cz>
3253 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3254 * varasm.c (get_variable_section): Don't do that here...
3255 (make_decl_rtl): ... and here.
3256 (do_assemble_alias): Produce decl RTL.
3257 (assemble_alias): Likewise.
3259 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3262 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3263 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3265 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3266 (based_loc_descr): Only express drap or vdrap regno based expressions
3267 using DW_OP_fbreg when not optimizing.
3268 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3269 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3270 REG_CFA_SET_VDRAP note.
3272 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3274 PR tree-optimization/43236
3275 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3276 error in calculation of base address in reverse iteration case.
3277 (generate_builtin): Take number of latch executions if the statement
3280 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3283 * tree-eh.c: Include pointer-set.h.
3284 (lower_eh_dispatch): Filter out duplicate case labels and
3285 remove the unneeded edge when the label is unused. Return
3286 true when some edges are removed.
3287 (execute_lower_eh_dispatch): When any lowering resulted in
3288 removing an edge, also delete unreachable blocks.
3290 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3293 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3294 UNSPEC_MACHOPIC_OFFSET.
3296 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3299 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3300 (m68k_delegitimize_address): New function.
3302 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3305 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3308 * var-tracking.c (adjust_sets): New function.
3309 (count_with_sets, add_with_sets): Use it.
3310 (get_adjusted_src): New inline function.
3311 (add_stores): Use it.
3314 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3315 call cselib_dummy_expand_value_rtx_cb instead of
3316 cselib_expand_value_rtx_cb.
3319 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3320 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3321 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3322 and .cfi_endproc around the pic thunks.
3323 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3324 all queued unwind info register saves are saved before the call.
3325 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3326 considered as sp-=4 for unwind info and the pop as sp+=4 which
3327 also clobbers dest, but doesn't actually restore it.
3330 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3331 RTX_FRAME_RELATED_P.
3333 2010-03-09 Jie Zhang <jie@codesourcery.com>
3335 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3336 whitespaces in output template.
3338 2010-03-09 Jie Zhang <jie@codesourcery.com>
3340 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3343 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3345 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3346 builtins.exp in a separate job.
3348 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3350 * graphite-sese-to-poly.c (add_param_constraints): Use
3351 lower_bound_in_type and upper_bound_in_type.
3353 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3355 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3356 instead of unsigned_type_node.
3358 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3359 Reza Yazdani <reza.yazdani@amd.com>
3362 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3363 on pointer type parameters.
3365 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3369 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3370 handle conversions from pointer to integers.
3371 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3372 induction variable, to be able to work with code generated by CLooG.
3373 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3374 (build_poly_scop): Bail out if we cannot codegen a loop.
3376 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3378 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3379 code generation with gloog_error.
3381 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3383 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3384 Call fold_convert on all the returned values.
3385 (expand_scalar_variables_expr): Pass to
3386 expand_scalar_variables_ssa_name the type of the resulting expression.
3388 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3390 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3391 ppl_min_for_le_pointset.
3392 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3393 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3395 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3397 * graphite-dependences.c (map_into_dep_poly): Removed.
3398 (dependence_polyhedron_1): Use combine_context_id_scat.
3400 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3402 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3403 (struct poly_bb): Same.
3404 (combine_context_id_scat): New.
3406 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3409 * sese.c (name_defined_in_loop_p): Return false for default
3412 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3414 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3415 and clean up the logic.
3417 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3419 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3422 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3424 * var-tracking.c (remove_cselib_value_chains): Define only for
3426 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3427 delete_slot_part, emit_notes_for_differences_1): Don't call
3428 remove_cselib_value_chains here.
3429 (set_slot_part, emit_notes_for_differences_2): Don't call
3430 add_cselib_value_chains here.
3431 (preserved_values): New vector.
3432 (preserve_value): New function.
3433 (add_uses, add_stores, vt_add_function_parameters): Use it
3434 instead of cselib_preserve_value.
3435 (changed_values_stack): New vector.
3436 (check_changed_vars_0): New function.
3437 (check_changed_vars_1, check_changed_vars_2): Use it.
3438 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3439 changed_values_stack VALUEs.
3440 (vt_emit_notes): For all preserved_values call
3441 add_cselib_value_chains. If ENABLE_CHECKING call
3442 remove_cselib_value_chains before verifying value_chains is empty.
3443 Initialize and free changed_values_stack.
3444 (vt_initialize): Initialize preserved_values.
3445 (vt_finalize): Free preserved_values.
3447 2010-03-08 Richard Guenther <rguenther@suse.de>
3449 PR tree-optimization/43269
3450 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3453 2010-03-08 Martin Jambor <mjambor@suse.cz>
3455 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3456 (ipa_is_param_called): Removed.
3457 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3458 (ipa_print_node_params): Do not print the called flag.
3459 (ipa_write_node_info): Do not stream the called flag.
3460 (ipa_read_node_info): Likewise.
3462 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3465 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3466 * cselib.c (struct expand_value_data): Add dummy field.
3467 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3469 (cselib_dummy_expand_value_rtx_cb): New function.
3470 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3472 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3473 * var-tracking.c: Include pointer-set.h.
3474 (variable): Change n_var_parts to char from int. Add
3475 cur_loc_changed and in_changed_variables fields.
3476 (variable_canonicalize): Remove.
3477 (shared_var_p): New inline function.
3478 (unshare_variable): Maintain cur_loc_changed and
3479 in_changed_variables fields. If var was in changed_variables,
3480 replace it there with new_var. Just copy cur_loc instead of
3481 resetting it to something else.
3482 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3483 (dataflow_set_union): Don't call variable_canonicalize.
3484 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3485 of their DEBUG_EXPR_TREE_DECLs.
3486 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3487 and in_changed_variables and cur_loc_changed is false.
3488 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3489 and cur_loc_changed. Don't update cur_loc here.
3490 (variable_merge_over_src): Don't call variable_canonicalize.
3491 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3492 removing loc that is equal to cur_loc, clear cur_loc,
3493 set cur_loc_changed and ensure variable_was_changed is called.
3494 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3495 compare pointers in cur_loc check, if it is equal to loc,
3496 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3497 (variable_different_p): Remove compare_current_location argument,
3498 don't compare cur_loc.
3499 (dataflow_set_different_1): Adjust variable_different_p caller.
3500 (variable_was_changed): If dv had some var in changed_variables
3501 already, reset in_changed_variables flag for it and propagate
3502 cur_loc_changed over to the new variable. On empty var
3503 always set cur_loc_changed. Set in_changed_variables on whatever
3504 var is added to changed_variables.
3505 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3506 Use shared_var_p. When removing loc that is equal to cur_loc,
3507 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3508 end, don't set it to something else, just call variable_was_changed.
3509 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3510 loc being removed, clear cur_loc and set cur_loc_changed.
3511 Set cur_loc_changed if all locations have been removed.
3512 (struct expand_loc_callback_data): New type.
3513 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3514 allocated. Always create SUBREGs if simplify_subreg failed.
3515 Prefer to use cur_loc, when that fails and still in
3516 changed_variables (and seen first time) recompute it. Set
3517 cur_loc_changed of variables which had to change cur_loc and
3518 compute elcd->cur_loc_changed if any of the subexpressions used
3519 had to change cur_loc.
3520 (vt_expand_loc): Adjust to pass arguments in
3521 expand_loc_callback_data structure.
3522 (vt_expand_loc_dummy): New function.
3523 (emitted_notes): New variable.
3524 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3525 that weren't used for any other decl in current
3526 emit_notes_for_changes call call vt_expand_loc_dummy to update
3527 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3528 first loc_chain location if NULL before. Always use just
3529 cur_loc instead of first loc_chain location. When cur_loc_changed
3530 is false, when not --enable-checking=rtl just don't emit any note.
3531 When rtl checking, compute the note and assert it is the same
3532 as previous note. Clear cur_loc_changed and in_changed_variables
3533 at the end before removing from changed_variables.
3534 (check_changed_vars_3): New function.
3535 (emit_notes_for_changes): Traverse changed_vars to call
3536 check_changed_vars_3 on each changed var.
3537 (emit_notes_for_differences_1): Clear cur_loc_changed and
3538 in_changed_variables. Recompute cur_loc of new_var.
3539 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3540 (vt_emit_notes): Initialize and destroy emitted_notes.
3542 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3544 PR rtl-optimization/42220
3545 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3546 Use verify_reg_tracked to determine if we should use OP_OUT rather
3548 (build_def_use): If we see an in-out operand for a register that we
3549 know nothing about, treat is an output if possible, fail the block if
3552 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3555 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3558 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3561 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3562 uses of relevant DEFs that are dead outside the loop too.
3564 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3566 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3568 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3570 * var-tracking.c (values_to_unmark): New variable.
3571 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3572 values_to_unmark vector. Moved body to...
3573 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3574 instead queue it into values_to_unmark vector.
3575 (vt_find_locations): Free values_to_unmark vector.
3577 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3579 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3580 (site.exp): Export them when plugins are enabled.
3582 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3585 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3587 (chrec_fold_multiply): Same.
3589 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3592 * c-decl.c (build_compound_literal): Return early if init is
3595 2010-03-04 Martin Jambor <mjambor@suse.cz>
3597 PR tree-optimization/43164
3598 PR tree-optimization/43191
3599 * tree-sra.c (type_consists_of_records_p): Reject records with
3600 zero-size bit-fields at the end.
3602 2010-03-04 Mike Stump <mikestump@comcast.net>
3604 * Makefile.in (TAGS): Remove *.y.
3606 2010-03-04 Richard Guenther <rguenther@suse.de>
3608 PR tree-optimization/40761
3609 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3611 (my_rev_post_order_compute): New function.
3612 (init_pre): Call it.
3614 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3617 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3618 decrease the cost of an IV candidate when the cost is infinite.
3620 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3622 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3623 Use '3DNow!' for the extension of that name, ensure normal space
3625 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3627 2010-03-03 Jeff Law <law@redhat.com>
3629 * PR middle-end/32693
3630 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3631 than gen_rtx_SUBREG.
3632 (extract_bit_field_1): Likewise.
3634 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3636 * doc/sourcebuild.texi (Test directives): Document that arguments
3637 include-opts and exclude-opts are now optional for dg-skip-if,
3638 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3640 2010-03-03 Jason Merrill <jason@redhat.com>
3643 * cgraph.h (varpool_node): Add extra_name field.
3644 * varpool.c (varpool_extra_name_alias): New.
3645 (varpool_assemble_decl): Emit extra name aliases.
3646 (varpool_mark_needed_node): Look past an extra name alias.
3647 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3648 * lto-streamer-in.c (lto_input_tree): Read it.
3649 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3651 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3653 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3654 (sparc*-*-solaris2*): ...this.
3656 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3659 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3660 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3661 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3662 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3665 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3666 fallthrough to default handling, just with want_address 0 instead of 2.
3667 For single element lists, add_AT_loc directly, otherwise create an
3668 artificial variable DIE and stick location list to it.
3671 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3672 (VAL_EXPR_HAS_REVERSE): Define.
3673 (reverse_op): New function.
3674 (add_stores): For reversible operations add an extra MO_VAL_USE.
3676 2010-03-02 Jason Merrill <jason@redhat.com>
3678 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3680 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3682 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3683 (sparc64-*-linux*): Likewise.
3684 (sparc64-*-solaris2*): Include assembler files before linker ones.
3685 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3686 * config/sparc/gas.h: Delete.
3687 * config/sparc/sol2-64.h: Add copyright notice.
3688 * config/sparc/sol2-gas-bi.h: Likewise.
3689 * config/sparc/sol2-gld.h: Likewise.
3690 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3691 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3692 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3693 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3694 (sparc_elf_asm_named_section): Rename into...
3695 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3697 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3699 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3701 2010-03-02 Jeff Law <law@redhat.com>
3704 * reload1.c (rtx_p, substitute_stack): Declare.
3705 (substitute): Record addresses of changed rtxs.
3706 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3707 Restore the original rtx when complete.
3708 (reload): Free subsitute_stack when complete.
3710 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3712 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3713 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3715 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3716 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3717 Torture Tests): Change from subsection to section.
3719 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3720 Steven Bosscher <steven@gcc.gnu.org>
3722 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3725 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3728 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3729 the assignment from the new induction variable to the assignment
3730 of the value from the original loop PHI function.
3732 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3733 Daniel Jacobowitz <dan@codesourcery.com>
3735 * doc/sourcebuild.texi (Test directives): Clarify options to
3738 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3740 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3741 Disable cfi directives unless GCC and gas agree on using read-only
3742 .eh_frame sections for 64-bit.
3743 * configure: Regenerate.
3745 2010-03-01 Richard Guenther <rguenther@suse.de>
3747 PR tree-optimization/43220
3748 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3749 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3751 2010-03-01 Richard Guenther <rguenther@suse.de>
3752 Martin Jambor <mjambor@suse.cz>
3755 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3756 gimplified parameters.
3758 2010-03-01 Christian Bruel <christian.bruel@st.com>
3760 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3762 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3764 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3766 2010-03-01 Richard Guenther <rguenther@suse.de>
3769 * expr.c (expand_assignment): Use the alias-oracle to tell
3770 if the rhs aliases the result decl.
3772 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3775 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3776 to sol_gt_pch_get_address.
3777 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3778 64-bit, SPARC and x86.
3779 (sol_gt_pch_get_address): New function.
3781 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3783 * toplev.h (inform_n, error_n): Declare.
3784 * diagnostic.c (inform_n, error_n): New function.
3786 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3788 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3789 has no rtl yet when processing local_decls, queue it and recheck
3790 if deferred stack allocation hasn't assigned it rtl.
3792 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3794 * config/sh/sh.c (unspec_bbr_uid): New.
3795 (gen_block_redirect): Use it instead of INSN_UID.
3796 (gen_far_branch): Likewise.
3798 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3800 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3801 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3803 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3805 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3806 (Warning Options): -Wno-conversion-null is valid for
3807 Objective-C++ as well.
3808 * doc/tm.texi (Named Address Spaces): Likewise.
3809 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3810 * doc/tree-ssa.texi (Tree SSA): Likewise.
3812 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3815 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3816 by default. Don't set the default arch for
3817 i[34567]86-*-darwin*|x86_64-*-darwin*.
3819 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3822 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3823 default. Set the default 32bit/64bit archs with $with_arch
3824 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3826 2010-02-27 Richard Guenther <rguenther@suse.de>
3828 PR tree-optimization/43186
3829 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3830 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3831 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3832 unroller iterations.
3834 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3836 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3837 required and i[34567]86-*-* targets don't support 64bit ISA.
3839 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3842 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3845 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3847 * config.gcc: Set the default arch at least to Prescott for
3848 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3849 if SSE math is enabled.
3851 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3853 * diagnostic.c (diagnostic_initialize): Update.
3854 (diagnostic_report_diagnostic): Test inhibit_notes_p for
3856 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
3857 (diagnostic_inhibit_notes): New.
3858 * toplev.c (process_options): inhibit notes with -fcompare-debug.
3860 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3863 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
3864 * doc/standards.texi: Likewise.
3865 * doc/extend.texi: Likewise.
3866 * doc/trouble.texi: Likewise.
3867 * doc/cppopts.texi: Likewise.
3868 * doc/install.texi: Likewise.
3869 * c.opt (std=c90,std=gnu90): New options.
3870 * c-opts.c (c_common_handle_option): Handle them.
3872 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3875 * c-decl.c (undeclared_variable): Use an informative note.
3877 2010-02-26 Richard Guenther <rguenther@suse.de>
3879 PR tree-optimization/43186
3880 * gimple.h (gimple_fold): Remove.
3881 * gimple.c (gimple_fold): Remove. Inline into single user ...
3882 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
3883 Try harder for conditions.
3885 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3888 * function.c (used_types_insert): Don't skip through named pointer
3889 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
3890 and it is different from the main variant's type.
3892 2010-02-26 Nick Clifton <nickc@redhat.com>
3894 * config/rx/rx.md (sminsi3): Remove bogus alternative.
3896 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3898 * config.gcc: Support --with-fpmath=sse for x86.
3900 * config/i386/ssemath.h: New.
3902 * doc/install.texi (--with-fpmath=sse): Documented.
3904 2010-02-26 Richard Guenther <rguenther@suse.de>
3906 PR tree-optimization/43188
3907 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
3908 vector types of over-aligned element type.
3910 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
3913 * config/i386/i386.c (expand_vec_perm_blend): Use correct
3914 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
3916 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
3918 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
3920 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3922 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
3923 * var-tracking.c: Include diagnostic.h.
3924 (debug_dv): New function.
3925 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
3928 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
3929 (add_value_chain, add_value_chains, remove_value_chain,
3930 remove_value_chains): Handle DEBUG_EXPRs.
3931 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
3934 * regcprop.c (struct queued_debug_insn_change): New type.
3935 (struct value_data_entry): Add debug_insn_changes field.
3936 (struct value_data): Add n_debug_insn_changes field.
3937 (debug_insn_changes_pool): New variable.
3938 (free_debug_insn_changes, apply_debug_insn_changes,
3939 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
3940 (kill_value_one_regno): Call free_debug_insn_changes if needed.
3941 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
3943 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
3945 (copyprop_hardreg_forward_1): Don't call apply_change_group for
3946 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
3947 changes, call cprop_find_used_regs via note_stores.
3948 (copyprop_hardreg_forward): When copying vd from predecessor
3949 which has any queued DEBUG_INSN changes, make sure the pointers are
3950 cleared. At the end call df_analyze and then if there are any
3951 DEBUG_INSN changes queued at the end of some basic block for still
3952 live registers, apply them.
3953 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
3955 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
3957 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
3960 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
3962 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
3963 targets. Set the default with_cpu/with_arch from arch/cpu.
3964 Allow x86-64 and native for with_cpu/with_arch.
3966 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
3968 * ebitmap.c: Change calls to verify_popcount with calls to
3969 sbitmap_verify_popcount.
3970 (ebitmap_clear_bit): Fixed map->cacheindex test and
3971 map>cache update when bit clearing results in an empty
3974 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
3977 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
3978 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
3979 and support both V2DF and V2DI modes.
3980 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
3981 support both V2DF and V2DI modes.
3982 (general): Delete trailing whitespace from a few patterns.
3984 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3985 V2DF/V2DI interleave high/low builtins.
3987 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
3990 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
3991 interleave high/low functions.
3993 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
3995 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
3996 #pragma extern_prefix.
3998 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4001 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4002 BLKmode, assert op0 is a MEM and just adjust its mode.
4005 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4006 if bitpos isn't multiple of mode's bitsize.
4008 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4010 * c.opt (-ftemplate-depth=): New.
4011 (-ftemplate-depth-): Deprecate.
4012 * optc-gen.awk: Handle -ftemplate-depth=.
4013 * opth-gen.awk: Likewise.
4014 * c-opts.c (c_common_handle_option): Likewise.
4015 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4017 2010-02-24 Jason Merrill <jason@redhat.com>
4019 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4021 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4023 * cfg.c (alloc_aux_for_block): Remove inline.
4024 (alloc_aux_for_edge): Likewise.
4026 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4028 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4030 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4032 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4033 * config/i386/sol2-gas.h: New file.
4034 * config.gcc (i[34567]86-*-solaris2*): Use it.
4036 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4039 * c-typeck.c (ep_convert_and_check): New.
4040 (build_conditional_expr): Use it.
4041 (build_binary_op): Likewise.
4043 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4045 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4048 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4049 bounds even for -O+.
4050 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4051 expr needs to have DECL_NAME set.
4053 2010-02-24 Nick Clifton <nickc@redhat.com>
4055 * config/mep/mep.c: Include gimple.h.
4056 (mep_function_uses_sp): Delete unused function.
4057 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4058 parameters. Use unsigned integers to count args. Return a
4059 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4061 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4064 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4065 greater or equal to nelt instead of 2 * nelt.
4066 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4069 2010-02-23 Jason Merrill <jason@redhat.com>
4072 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4073 in cfun->local_decls even if they have register types.
4076 * stor-layout.c (place_field): Don't warn about unnecessary
4077 DECL_PACKED if the type is packed.
4079 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4082 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4083 GOTOFF relocs, even when the base reg isn't pic pointer.
4085 2010-02-23 Michael Matz <matz@suse.de>
4088 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4089 (expand_gimple_basic_block): Generate and use debug temps if there
4090 are debug uses left after the last real use of TERed ssa names.
4091 Unlink debug immediate uses when they are expanded.
4093 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4096 * config/i386/i386.c (override_options): Reorganise to provide
4097 better error messages.
4099 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4102 * graphite-scop-detection.c (create_single_exit_edge): Move
4103 the call to find_single_exit_edge to....
4104 (create_sese_edges): ...here. Don't handle multiple edges
4105 exiting the function.
4106 (build_graphite_scops): Don't handle multiple edges
4107 exiting the function.
4109 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4112 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4113 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4115 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4118 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4120 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4123 * c-typeck.c (convert_arguments): Print declaration location.
4124 * c-common.c (validate_nargs): Rename as
4125 builtin_function_validate_nargs.
4126 (check_builtin_function_arguments): Update.
4128 2010-02-22 Richard Guenther <rguenther@suse.de>
4131 * tree-inline.c (declare_return_variable): Use the type of
4132 the call stmt lhs if available.
4134 2010-02-22 Duncan Sands <baldrick@free.fr>
4136 * passes.c (register_pass): Always consider all pass lists when
4137 ref_pass_instance_number is zero.
4139 2010-02-22 Richard Guenther <rguenther@suse.de>
4141 PR tree-optimization/42749
4142 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4143 parameter. Do arithmetic in the original type.
4144 (update_accumulator_with_ops): Likewise.
4145 (adjust_accumulator_values): Adjust.
4147 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4149 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4150 (QI to BLKmode splitter): New splitter.
4152 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4154 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4155 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4157 2010-02-22 Richard Guenther <rguenther@suse.de>
4159 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4161 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4163 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4164 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4165 ($(T)crti.o, $(T)crtn.o): Remove rules.
4167 2010-02-21 Tobias Burnus <burnus@net-b.de>
4170 * doc/invoke.texi (-fassociative-math): Document that this
4171 option is automatically enabled for Fortran.
4173 2010-02-20 David S. Miller <davem@davemloft.net>
4175 * configure.ac: Test if linker and assembler properly support
4176 GOTDATA_OP relocations.
4177 * configure: Rebuild.
4178 * config.in: Likewise.
4179 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4180 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4181 (movsi_high_pic): Likewise.
4182 (movdi_lo_sum_pic): Likewise.
4183 (movdi_high_pic): Likewise.
4184 (movsi_pic_gotdata_op): New pattern.
4185 (movdi_pic_gotdata_op): Likewise.
4186 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4187 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4189 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4192 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4193 attribute to ssemul.
4194 (xop_mulv2div2di3_high): Ditto.
4196 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4199 * c.opt (Wconversion-null): New option.
4200 * doc/invoke.texi (Wconversion-null): Document.
4202 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4204 * common.opt (Wlarger-than-): Add Undocumented.
4206 2010-02-19 Mike Stump <mikestump@comcast.net>
4208 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4210 2010-02-19 Jason Merrill <jason@redhat.com>
4213 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4214 * configure: Likewise.
4216 2010-02-20 Alan Modra <amodra@gmail.com>
4219 * cgraph.h (cgraph_make_decl_local): Declare.
4220 * cgraph.c (cgraph_make_decl_local): New function.
4221 (cgraph_make_node_local): Use it.
4222 * cgraphunit.c (cgraph_function_versioning): Likewise.
4223 * ipa.c (function_and_variable_visibility): Likewise.
4225 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4228 * except.c (sjlj_emit_function_enter): Don't call
4229 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4231 * rtl.h (add_reg_br_prob_note): Remove prototype.
4233 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4236 * c-common.c (conversion_warning): Remove widening conversions
4237 before checking the conversion of integers to reals.
4239 2010-02-19 Mike Stump <mikestump@comcast.net>
4242 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4245 * cgraphunit.c (process_function_and_variable_attributes): Check
4246 DECL_PRESERVE_P instead of looking up attribute "used".
4247 * ipa-pure-const.c (check_decl): Likewise.
4248 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4249 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4250 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4251 instead of attribute "used".
4252 * config/sol2-c.c (solaris_pragma_init): Likewise.
4253 (solaris_pragma_fini): Likewise.
4255 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4257 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4258 Use XCNEW instead of xcalloc.
4259 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4260 XNEW instead of xmalloc.
4261 (get_fields): Use XNEWVEC instead of xmalloc.
4264 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4265 populate vars array.
4266 (create_new_general_access): For debug stmts just reset value.
4267 (get_stmt_accesses): For accesses within debug stmts just record them
4268 using add_access_to_acc_sites instead of preventing the peeling or
4269 counting them as accesses.
4272 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4274 2010-02-19 Richard Guenther <rguenther@suse.de>
4276 PR tree-optimization/42916
4277 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4280 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4282 * configure.ac: Replace all uses of changequote in macro arguments
4283 with proper quoting.
4285 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4288 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4290 2010-02-19 Richard Guenther <rguenther@suse.de>
4292 PR tree-optimization/42944
4293 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4294 test for aliasing with errno.
4296 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4299 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4300 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4301 * dojump.c: Include output.h.
4302 (inv): New inline function.
4303 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4304 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4305 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4306 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4307 argument, pass it down to other calls.
4308 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4309 add REG_BR_PROB note to the conditional jump.
4310 * cfgexpand.c (add_reg_br_prob_note): Removed.
4311 (expand_gimple_cond): Don't call it, add the probability
4312 as last argument to jumpif_1/jumpifnot_1.
4313 * Makefile.in (dojump.o): Depend on output.h.
4314 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4316 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4317 * stmt.c (do_jump_if_equal): Likewise.
4318 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4319 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4320 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4322 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4323 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4324 jumpifnot_1 callers.
4325 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4327 (store_expr): Adjust jumpifnot caller.
4328 (store_constructor): Adjust jumpif caller.
4331 * gimplify.c (gimple_boolify): For __builtin_expect call
4332 gimple_boolify also on its first argument.
4334 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4336 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4338 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4339 * configure: Regenerated.
4341 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4343 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4344 lang_hooks.types_compatible_p instead of comptypes.
4346 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4348 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4349 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4350 if __prefer_thumb__ is defined.
4352 2010-02-18 Martin Jambor <mjambor@suse.cz>
4354 PR tree-optimization/43066
4355 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4356 array with zero-sized element type.
4358 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4360 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4361 rtx, allocate struct var_loc_node here and return it to the
4362 caller, and only if it is actually needed.
4363 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4364 move it earlier and return immediately if it returns NULL.
4366 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4368 * config/sparc/gas.h: New file. Restore
4369 TARGET_ASM_NAMED_SECTION to its ELF default.
4370 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4372 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4373 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4374 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4375 after sparc/sysv4.h.
4377 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4379 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4381 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4383 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4384 patterns from predicated pattern.
4386 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4389 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4390 for insn mnemonic suffix.
4392 2010-02-17 Richard Guenther <rguenther@suse.de>
4394 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4397 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4400 * caller-save.c (save_call_clobbered_regs): If BB ends with
4401 a DEBUG_INSN, move any notes in between last real insn and the last
4402 DEBUG_INSN after the last DEBUG_INSN.
4404 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4406 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4407 Fix return type. Fix argument type. Explain meaning of return value.
4409 2010-02-16 Richard Guenther <rguenther@suse.de>
4411 PR tree-optimization/41043
4412 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4413 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4415 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4417 2010-02-16 Ira Rosen <irar@il.ibm.com>
4419 PR tree-optimization/43074
4420 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4421 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4422 vectorizable cycles in hybrid SLP check.
4423 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4425 2010-02-16 Richard Guenther <rguenther@suse.de>
4427 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4428 (true_dependence): If memrefs_conflict_p computes must-alias
4429 trust it. Move TBAA check after offset-based disambiguation.
4430 (canon_true_dependence): Likewise.
4432 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4434 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4435 * doc/invoke.texi: Document it.
4436 * var-tracking.c: Include toplev.h and params.h.
4437 (vt_find_locations): Return bool indicating success. Compute
4438 hash sizes unconditionally. Check new parameter, report.
4439 (variable_tracking_main_1): Check vt_find_locations results and
4440 retry. Renamed from...
4441 (variable_tracking_main): ... this. New wrapper to preserve
4442 flag_var_tracking_assignments.
4443 * Makefile.in (var-tracking.o): Adjust dependencies.
4445 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4446 Jakub Jelinek <jakub@redhat.com>
4449 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4450 if weak_import attribute is present.
4451 * config/darwin.c (machopic_select_section): Likewise.
4453 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4455 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4456 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4457 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4458 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4460 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
4462 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4465 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4466 Rewrite text to refer to the names.
4468 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4470 * config/i386/i386-builtin-types.def
4471 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4472 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4473 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4474 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4475 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4476 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4477 IX86_BUILTIN_VPERMIL2PS256.
4478 (MULTI_ARG_4_DF2_DI_I): Defined.
4479 (MULTI_ARG_4_DF2_DI_I1): Defined.
4480 (MULTI_ARG_4_SF2_SI_I): Defined.
4481 (MULTI_ARG_4_SF2_SI_I1): Defined.
4482 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4483 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4484 __builtin_ia32_vpermil2ps256.
4485 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4486 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4487 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4488 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4489 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4490 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4491 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4492 CODE_FOR_xop_vpermil2v8sf3.
4493 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4494 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4495 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4496 (_mm256_permute2_pd): New.
4497 (_mm_permute2_ps): New.
4498 (_mm256_permute2_ps): New.
4500 2010-02-15 Nick Clifton <nickc@redhat.com>
4502 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4503 boolean parameters. Use emit_jump_insn when emitting a pop
4504 instruction containing a return insn.
4505 (push): Use 'true' rather than '1' as second parameter to F.
4506 (h8300_expand_prologue): Likewise.
4507 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4508 (h8300_expand_epilogue): Likewise.
4510 2010-02-15 Richard Guenther <rguenther@suse.de>
4513 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4516 2010-02-15 Nick Clifton <nickc@redhat.com>
4518 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4521 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4523 * intl.c (fake_ngettext): New function.
4524 * intl.h (fake_ngettext): Declare.
4525 (ngettext): Define macro.
4526 * collect2.c (notice_translated): New function.
4527 (main): Use notice_translated and ngettext.
4528 * collect2.h (notice_translated): Declare.
4530 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4532 * reorg.c (delete_computation): Comment fixes.
4533 * caller-save.c (setup_save_areas): Idem.
4534 * sel-sched-dump.c (dump_lv_set): Idem.
4537 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4539 * config/s390/s390.c (s390_sched_init): New function.
4540 (TARGET_SCHED_INIT): Target hook defined.
4542 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4543 Jack Howarth <howarth@bromo.med.uc.edu>
4544 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4547 Partial revert of unintended change in fix for PR41605.
4548 * config/darwin.h: Fix typo.
4549 * config/darwin9.h: Same.
4551 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4553 * c-pch.c (pch_init): Clear v.
4555 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4558 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4559 graphite_can_represent_init for MULT_EXPR.
4561 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4565 * graphite-sese-to-poly.c (remove_phi): New.
4566 (translate_scalar_reduction_to_array): Call remove_phi.
4568 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4571 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4572 * graphite-clast-to-gimple.h (gloog): Update declaration.
4573 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4574 * graphite-poly.h (struct poly_bb): Add missing comments.
4575 (struct scop): Add poly_scop_p field.
4577 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4578 * graphite.c (graphite_transform_loops): Build the polyhedral
4579 representation for each scop before code generation.
4580 * sese.c (rename_variables_in_operand): Removed.
4581 (rename_variables_in_expr): Return the renamed expression.
4582 (rename_sese_parameters): New.
4583 * sese.h (rename_sese_parameters): Declared.
4585 2010-02-11 Richard Guenther <rguenther@suse.de>
4587 PR tree-optimization/42998
4588 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4589 POINTER_PLUS_EXPR properly.
4591 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4592 Changpeng Fang <changpeng.fang@amd.com>
4595 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4596 the cost of an IV candidate when the IV is used in a test against zero.
4598 * gcc.dg/tree-ssa/ivopts-3.c: New.
4600 2010-02-11 Richard Guenther <rguenther@suse.de>
4603 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4604 pointer-vs-decl case by swapping refs. Handle some cases
4605 of pointer-vs-decl disambiguations more conservatively.
4606 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4607 to false after expanding.
4609 2010-02-11 Richard Guenther <rguenther@suse.de>
4612 * gcc.c (process_command): Handle LTO file@offset case more
4615 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4617 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4618 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4620 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4622 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4623 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4624 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4625 Optimize eq/ne comparisons when both arguments are known to be
4627 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4628 Don't mask operands unnecessarily if they are known to be already
4631 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4633 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4636 2010-02-10 Richard Guenther <rguenther@suse.de>
4638 PR tree-optimization/43017
4639 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4640 for wrapping signed arithmetic.
4642 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4645 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4646 if no debug info should be emitted for it.
4648 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4650 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4651 note when flag_exceptions is set.
4653 2010-02-10 Duncan Sands <baldrick@free.fr>
4655 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4657 2010-02-10 Richard Guenther <rguenther@suse.de>
4660 * tree.c (get_unwidened): Handle constants.
4661 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4663 2010-02-10 Martin Jambor <mjambor@suse.cz>
4666 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4667 check for variable argument counts independently.
4669 2010-02-10 Christian Bruel <christian.bruel@st.com>
4672 * config/sh/sh.c (find_barrier): Increase length for non delayed
4673 conditional branches.
4675 2010-02-10 Christian Bruel <christian.bruel@st.com>
4677 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4679 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4681 * builtins.c (set_builtin_user_assembler_name): Also handle
4682 ffs if int is smaller than word.
4684 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4687 * ira-conflicts.c (get_dup): Remove.
4688 (process_reg_shuffles): Add new parameter. Use it as an
4689 additional guard for copy generation.
4690 (add_insn_allocno_copies): Rewrite.
4692 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4694 * common.opt (fsched2-use-traces): Preserved for backward
4696 * doc/invoke.texi: Remove the documentation about option
4697 -fsched2-use-traces.
4698 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4699 flag_sched2_use_traces.
4700 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4701 the backward compatibility flag section.
4703 2010-02-09 Richard Guenther <rguenther@suse.de>
4705 PR tree-optimization/43008
4706 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4707 make HEAP variables initialized from global memory if they
4708 are not known builtin functions.
4709 (find_func_aliases): Adjust.
4711 2010-02-09 Richard Guenther <rguenther@suse.de>
4713 PR tree-optimization/43000
4714 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4715 arithmetic manually.
4717 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4719 PR tree-optimization/42931
4720 * tree-loop-linear.c (try_interchange_loops): Don't call
4721 double_int_mul if estimated_loop_iterations failed.
4723 2010-02-08 Martin Jambor <mjambor@suse.cz>
4726 * tree-sra.c (build_accesses_from_assign): Do not mark in
4727 should_scalarize_away_bitmap if stmt has volatile ops.
4728 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4731 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4733 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4735 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4737 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4740 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4743 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4745 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4748 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4749 to unknown_dependence.
4750 (graphite_legal_transform_dr): Handle the unknown_dependence.
4751 (graphite_carried_dependence_level_k): Same.
4753 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4755 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4757 2010-02-07 Richard Guenther <rguenther@suse.de>
4760 * expr.c (get_inner_reference): Always initialize *pbitsize.
4762 2010-02-07 Richard Guenther <rguenther@suse.de>
4765 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
4766 new ARRAY_REFs on variable size element or minimal index arrays.
4768 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
4769 gimple_fold_indirect_ref.
4771 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
4774 * arm.c (arm_override_options): Just return if the user has specified
4775 an invalid fpu name.
4777 2010-02-03 Jason Merrill <jason@redhat.com>
4780 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
4781 i386_pe_maybe_record_exported_symbol.
4783 2010-02-05 Steve Ellcey <sje@cup.hp.com>
4786 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4787 (pa_delegitimize_address): New function.
4789 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
4791 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
4792 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
4794 2010-02-05 Richard Guenther <rguenther@suse.de>
4797 * lto-streamer-in.c (get_resolution): Deal with references
4798 to undefined functions.
4800 2010-02-05 Richard Guenther <rguenther@suse.de>
4802 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
4803 (fold_const_aggregate_ref): Likewise.
4804 (ccp_fold_stmt): Substitute loads.
4805 (maybe_fold_reference): Verify types before substituting.
4807 (fold_gimple_assign): Unshare properly.
4808 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
4810 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
4812 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
4813 for rs6000_gen_cell_microcode.
4815 2010-02-04 Richard Guenther <rguenther@suse.de>
4817 PR rtl-optimization/42952
4818 * dse.c (const_or_frame_p): Remove MEM handling.
4820 2010-02-04 Nick Clifton <nickc@redhat.com>
4822 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
4823 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
4824 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
4825 (mn10300_asm_output_mi_thunk): New function.
4826 (mn10300_can_output_mu_thunk): New function.
4827 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
4828 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
4829 (FUNCTION_ARG): Delete incorrect comment.
4831 2010-02-03 Jason Merrill <jason@redhat.com>
4834 * fold-const.c (operand_equal_p): Handle erroneous types.
4836 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4838 * config/h8300/h8300.md (can_delay): Fix attibute condition.
4840 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
4842 PR rtl-optimization/42941
4843 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
4846 2010-02-03 Jason Merrill <jason@redhat.com>
4849 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
4851 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
4854 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
4855 (cselib_reset_table): Renamed from...
4856 (cselib_reset_table_with_next_value): ... this.
4857 (cselib_get_next_uid): Renamed from...
4858 (cselib_get_next_unknown_value): ... this.
4859 * cselib.c (next_uid): Renamed from...
4860 (next_unknown_value): ... this.
4861 (cselib_clear_table): Adjust.
4862 (cselib_reset_table): Adjust. Renamed from...
4863 (cselib_reset_table_with_next_value): ... this.
4864 (cselib_get_next_uid): Adjust. Renamed from...
4865 (cselib_get_next_unknown_value): ... this.
4866 (get_value_hash): Use hash.
4867 (cselib_hash_rtx): Likewise.
4868 (new_cselib_val): Adjust. Set and dump uid.
4869 (cselib_lookup_mem): Pass next_uid as hash.
4870 (cselib_subst_to_values): Likewise.
4871 (cselib_log_lookup): Dump uid.
4872 (cselib_lookup): Pass next_uid as hash. Adjust.
4873 (cselib_process_insn): Adjust.
4874 (cselib_init): Initialize next_uid.
4875 (cselib_finish): Adjust.
4876 (dump_cselib_table): Likewise.
4877 * dse.c (canon_address): Dump value uid.
4878 * print-rtl.c (print_rtx): Print value uid.
4879 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
4881 (dv_uid): New function, sort of renamed from...
4882 (dv_htab_hash): ... this, reimplemented in terms of it and...
4883 (dv_uid2hash): ... this. New.
4884 (variable_htab_eq): Drop excess assertions.
4885 (tie_break_pointers): Removed.
4886 (canon_value_cmp): Compare uids.
4887 (variable_post_merge_New_vals): Print uids.
4888 (vt_add_function_parameters): Adjust.
4889 (vt_initialize): Reset table. Adjust.
4891 2010-02-03 Richard Guenther <rguenther@suse.de>
4893 PR tree-optimization/42944
4894 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
4895 (call_may_clobber_ref_p_1): Likewise. Properly handle
4896 malloc and calloc clobbering errno.
4898 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
4900 * doc/invoke.texi: Fix name of sched1 dump.
4902 * opts.c (decode_options): Set flag_tree_switch_conversion
4903 only conditionally on optimize >= 2.
4905 * gcse.c: Assorted comment fixes in pass description.
4907 2010-02-03 Anthony Green <green@moxielogic.com>
4909 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
4910 nop padding in order to maintain alignment of storage location of
4911 target function address.
4912 (moxie_trampoline_init): Store target function address at newly
4914 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
4916 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
4918 2010-02-03 Richard Guenther <rguenther@suse.de>
4921 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
4923 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4925 * config.gcc: Reenable check for obsolete targets.
4926 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
4927 mips-sgi-irix6.[0-4]*.
4929 2010-02-02 Nick Clifton <nickc@redhat.com>
4931 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
4932 constant size of 4 as being the same as 0.
4933 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
4934 can take values in the range 0..4.
4936 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
4939 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
4940 as _darwin10_Unwind_FindEnclosingFunction().
4941 * libgcc-libsystem.ver: New.
4943 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
4946 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
4947 implicitly set registers.
4949 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
4951 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
4952 (arm_override_options): Allow automatic selection of the thread
4953 pointer register if thumb2.
4954 (legitimize_pic_address): Improve code sequences for Thumb2.
4955 (arm_call_tls_get_addr): Likewise.
4956 (legitimize_tls_address): Likewise.
4957 * arm.md (pic_load_addr_arm): Delete. Replace with ...
4958 (pic_load_addr_32bit): ... this. New named pattern.
4959 * thumb2.md (pic_load_addr_thumb2): Delete.
4960 (pic_load_dot_plus_four): Delete.
4961 (tls_load_dot_plus_four): New named pattern.
4963 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4966 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
4967 Document fix for TLS bug.
4969 2010-01-31 Richard Guenther <rguenther@suse.de>
4971 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
4972 conservatively correct.
4974 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4978 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4980 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4982 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4984 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
4986 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
4988 * config.gcc: Adjust order of makefile fragments for mingw targets.
4990 2010-01-31 Richard Guenther <rguenther@suse.de>
4993 * gimplify.c (gimplify_init_constructor): For volatile LHS
4994 initialize a temporary.
4996 2010-01-31 Matthias Klose <doko@ubuntu.com>
4998 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5000 * configure: Regenerate.
5002 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5004 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5005 the same alias set and their sizes different constantness.
5006 (aliasing_component_refs_p): Revert 2009-10-24 change.
5008 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5010 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5013 2010-01-29 Richard Guenther <rguenther@suse.de>
5015 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5016 Assert we successfully updated the call.
5018 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5020 PR rtl-optimization/42889
5021 * df.h (df_set_bb_dirty_nonlr): New prototype.
5022 * df-core.c (df_set_bb_dirty_nonlr): New function.
5023 * df-scan.c (df_insn_rescan): Call it instead of
5024 df_set_bb_dirty for DEBUG_INSNs.
5026 2010-01-29 Richard Guenther <rguenther@suse.de>
5029 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5030 quadratic behavior in most cases.
5032 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5035 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5036 in the call to gen_x86_movsicc_0_m1.
5038 2010-01-28 Richard Guenther <rguenther@suse.de>
5040 PR tree-optimization/42871
5041 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5043 2010-01-28 Richard Guenther <rguenther@suse.de>
5045 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5046 into call arguments.
5048 2010-01-28 Richard Guenther <rguenther@suse.de>
5051 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5052 the forwarder if the destination is an EH landing pad.
5054 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5056 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5057 block list passed to gimple_duplicate_sese_tail.
5058 (parallelize_loops): Avoid parallelization when the function
5060 Avoid parallelization when the preheader is IRREDUCIBLE.
5061 Try to optimize when estimated_loop_iterations_int is unresolved.
5062 Add the loop's location to the dump file.
5063 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5064 (gimple_duplicate_sese_tail): Remove the check for the latch.
5065 Redirect nexits to the exit block.
5066 Remove handling of the incoming edges to the latch.
5067 Redirect the backedge from the copied latch to the exit bb.
5069 2010-01-28 Michael Matz <matz@suse.de>
5072 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5073 Wrap force_reg into a sequence, emit it before user.
5075 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5077 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5079 (arm_legacy_rev): Likewise.
5080 (thumb_legacy_rev): Likewise.
5082 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5084 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5085 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5086 on MEM's address failed, try avoid_constant_pool_reference and
5087 recurse if it returned something different.
5088 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5089 address, try avoid_constant_pool_reference and recurse if it
5090 returned something different.
5091 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5092 address and avoid_constant_pool_reference returned something
5093 different, don't set have_address.
5095 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5098 * var-tracking.c (val_store): Add modified argument, obey it.
5100 (count_uses): Move down logging of main.
5101 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5102 don't need resolution.
5103 (emit_notes_in_bb): Likewise.
5105 2010-01-27 Richard Guenther <rguenther@suse.de>
5108 * tree-inline.c (remap_decl): Delay remapping of SSA name
5109 default definitions until we need them.
5111 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5113 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5114 (rs6000_delegitimize_address): New function.
5116 * config/s390/s390.c (s390_delegitimize_address): Call
5117 delegitimize_mem_from_attrs.
5120 * tree-inline.c (cannot_copy_type_1): Removed.
5121 (copy_forbidden): Don't forbid copying of functions containing
5122 records/unions with variable length fields.
5124 2010-01-27 Christian Bruel <christian.bruel@st.com>
5128 * config/sh/sh.c (find_barrier): Increase length for non delayed
5129 conditional branches.
5131 2010-01-27 Matthias Klose <doko@ubuntu.com>
5133 * configure.ac (gnu-unique-object): Fix ldd version check.
5134 * configure: Regenerate.
5136 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5138 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5140 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5141 Test for HAVE_GNU_AS value.
5143 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5145 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5146 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5147 INT64_TYPE): Define.
5148 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5149 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5150 INT_LEAST64_TYPE): Define.
5151 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5152 UINT_LEAST64_TYPE): Define.
5153 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5154 INT_FAST64_TYPE): Define.
5155 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5156 UINT_FAST64_TYPE): Define.
5157 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5158 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5159 (SIG_ATOMIC_TYPE): Define.
5161 2010-01-26 Richard Guenther <rguenther@suse.de>
5163 * df-scan.c (df_scan_set_bb_info): Remove assert.
5164 (df_insn_rescan_debug_internal): Merge asserts.
5165 (df_install_ref): Likewise.
5166 (df_mark_reg): Use bitmap_set_range.
5167 (df_hard_reg_used_p): Remove assert.
5168 (df_hard_reg_used_count): Likewise.
5170 2010-01-26 Richard Guenther <rguenther@suse.de>
5172 PR rtl-optimization/42685
5173 * web.c (web_main): Ignore DEBUG_INSNs.
5175 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5177 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5179 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5180 Fix types of fndecl and arglist parameters.
5182 2010-01-26 Richard Guenther <rguenther@suse.de>
5185 * tree-eh.c (unsplit_eh): Skip debug insns.
5187 2010-01-26 Richard Guenther <rguenther@suse.de>
5189 PR tree-optimization/42250
5190 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5192 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5195 * omp-low.c (expand_omp_sections): Only use single_pred if
5196 l2_bb is single_pred_p.
5198 2010-01-25 Christian Bruel <christian.bruel@st.com>
5201 * config/sh/sh.c (find_barrier): Increase length for non delayed
5202 conditional branches.
5203 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5205 2010-01-24 David S. Miller <davem@davemloft.net>
5207 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5208 define if not using GAS.
5209 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5210 Likewise. Delete SECTION_MERGE code, which is only applicable
5213 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5216 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5217 mangling of va_list in system headers.
5219 2010-01-23 Toon Moene <toon@moene.org>
5221 * tree-predcom.c (combine_chains): Return NULL, not false.
5223 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5225 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5226 initialization of variable res to agree with return type.
5228 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5230 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5231 * tree-sra.c: Add include of expr.h.
5233 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5235 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5236 insert the debug stmt on the single non-EH edge from the stmt.
5238 2010-01-22 Richard Henderson <rth@redhat.com>
5241 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5242 the RHS until after generate_subtree_copies has insertted its
5243 code before the current statement.
5245 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5247 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5249 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5251 2010-01-21 Martin Jambor <mjambor@suse.cz>
5253 PR tree-optimization/42585
5254 * tree-sra.c (struct access): New field grp_total_scalarization.
5255 (dump_access): Dump the new field.
5256 (should_scalarize_away_bitmap): New variable.
5257 (cannot_scalarize_away_bitmap): Likewise.
5258 (sra_initialize): Allocate new bitmaps.
5259 (sra_deinitialize): Free new bitmaps.
5260 (create_access_1): New function.
5261 (create_access): Parts moved to create_access_1.
5262 (type_consists_of_records_p): New function.
5263 (completely_scalarize_record): Likewise.
5264 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5265 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5266 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5268 (analyze_all_variable_accesses): Completely scalarize small eligible
5271 2010-01-21 Martin Jambor <mjambor@suse.cz>
5273 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5275 2010-01-21 Andrew Haley <aph@redhat.com>
5277 * gcc.c (process_command): Move lang_specific_driver before
5278 setting cc_libexec_prefix.
5280 2010-01-21 Richard Guenther <rguenther@suse.de>
5283 * fold-const.c (negate_expr_p): Pretend only negative
5284 real constants are easily negatable.
5286 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5287 Jason Merrill <jason@redhat.com>
5289 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5290 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5291 * calls.c (initialize argument_information): Handle it.
5292 * c-common.c (handle_transparent_union_attribute): Use new name.
5293 * c-decl.c (finish_struct): Ditto.
5294 * c-typeck.c (type_lists_compatible_p): Ditto.
5295 (convert_for_assignment): Use new name and also handle record.
5296 * function.c (aggregate_value_p): Handle it.
5297 (pass_by_reference): Ditto.
5298 (assign_parm_data_types): Ditto.
5299 * print-tree.c (print_node): Ditto.
5300 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5301 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5302 * tree.c (first_field): New fn.
5304 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5307 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5308 even when linking statically, for now.
5310 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5313 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5314 without a cselib val.
5315 (count_uses): Accept MO_VAL_SET with no val on stores.
5316 (add_stores): Likewise.
5318 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5320 * var-tracking.c (check_value_val): Add a compile time assertion.
5321 (dv_is_decl_p): Simplify.
5322 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5323 gcc_assert if ENABLE_CHECKING.
5325 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5328 * var-tracking.c: Include tree-flow.h.
5329 (mem_dies_at_call): New.
5330 (dataflow_set_preserve_mem_locs): Use it.
5331 (dataflow_set_remove_mem_locs): Likewise.
5332 (dump_var): Renamed from dump_variable. Adjust all callers.
5333 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5334 * Makefile.in (var-tracking.o): Adjust deps.
5336 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5338 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5340 2010-01-20 Richard Guenther <rguenther@suse.de>
5342 PR tree-optimization/42717
5343 * tree-ssa-dce.c (get_live_post_dom): Remove.
5344 (forward_edge_to_pdom): Take an arbitrary edge to copy
5345 degenerate PHI args from.
5346 (remove_dead_stmt): Use the first post-dominator even if it
5347 does not contain live statements as redirection destination.
5349 2010-01-20 Richard Guenther <rguenther@suse.de>
5351 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5353 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5355 * sel-sched.c (create_speculation_check): Remove set but not used
5357 (try_transformation_cache): Remove set but not used variable ds.
5358 (calculate_privileged_insns): Remove set but not used variables
5359 cur_insn and min_spec_insn.
5360 (find_best_expr): Remove set but not used variable avail_n.
5361 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5363 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5365 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5366 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5369 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5372 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5373 cpu types. Add support for *-sse3 cpu types.
5374 (x86_64-*-*): Ditto.
5376 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5379 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5380 argument, call initializer_constant_valid_p_1 instead of
5381 initializer_constant_valid_p, pass CACHE to it, return NULL
5382 immediately if first call returns NULL.
5383 (initializer_constant_valid_p_1): New function.
5384 (initializer_constant_valid_p): Use it.
5386 2010-01-20 Thomas Quinot <quinot@adacore.com>
5388 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5390 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5392 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5393 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5394 (loc_list_from_tree): Don't handle unsigned division. Handle
5395 signed modulo using DW_OP_{over,over,div,mul,minus}.
5396 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5397 modulo instead of signed.
5399 2010-01-20 DJ Delorie <dj@redhat.com>
5401 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5403 (h8300_emit_stack_adjustment): Propogate it.
5405 (h8300_expand_prologue): Likewise.
5406 (h8300_expand_epilogue): Likewise.
5408 2010-01-19 Michael Matz <matz@suse.de>
5410 PR tree-optimization/41783
5411 * tree-data-ref.c (toplevel): Include flags.h.
5412 (dump_data_dependence_relation): Also dump the inputs if the
5413 result will be unknown.
5414 (split_constant_offset_1): Look through some conversions.
5415 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5416 the offset from last element is too large.
5417 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5418 (reassociate_to_the_same_stmt): Handle vector registers.
5419 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5421 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5422 wide_prolog_niters argument, emit widening instructions.
5423 (vect_do_peeling_for_alignment): Adjust caller, use widened
5424 variant of the iteration cound.
5425 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5427 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5430 * config/arm/neon-testgen.m (emit_automatics): New parameter
5431 features. Adjust for Fixed_return_reg feature.
5432 (test_intrinsic): Call emit_automatics with new feature.
5433 * config/arm/neon.ml: Update copyright years.
5434 (features): New Fixed_return_reg feature.
5435 (ops): Update feature for Vget_low.
5437 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5439 PR tree-optimization/42719
5440 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5444 * fwprop.c (all_uses_available_at): Return false if def_set dest
5445 is a REG that is used in def_insn.
5447 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5449 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5451 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5454 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5456 * target.h (struct gcc_target) <secondary_reload>: Change type
5457 of last argument to secondary_reload_info *.
5459 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5462 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5463 memory references with unaligned offsets. Remove CQImode handling.
5464 (unaligned_memory_operand): Return 1 for memory references with
5465 unaligned offsets. Remove CQImode handling.
5467 2010-01-18 Richard Guenther <rguenther@suse.de>
5470 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5473 2010-01-18 Richard Guenther <rguenther@suse.de>
5475 PR tree-optimization/42781
5476 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5477 restrict processing only if the original variable was artificial.
5479 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5481 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5482 find number of popped argument bytes.
5484 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5485 Fix the text that describes the return value for invalid insns.
5487 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5489 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5490 Clarify what 'cost of the -dependence' is. Fix quoting.
5492 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5493 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5495 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5497 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5498 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5500 2010-01-17 Richard Guenther <rguenther@suse.de>
5503 * function.c (split_complex_args): Take a VEC to modify.
5504 (assign_parms_augmented_arg_list): Build a VEC instead of
5505 a chain of PARM_DECLs.
5506 (assign_parms_unsplit_complex): Take a VEC of arguments.
5507 Do not fixup unmodified parms.
5508 (assign_parms): Deal with the VEC.
5509 (gimplify_parameters): Likewise.
5511 2010-01-17 Richard Guenther <rguenther@suse.de>
5513 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5514 node existence check.
5515 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5516 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5517 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5518 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5519 (gimple_execute_on_growing_pred): Likewise.
5521 2010-01-17 Richard Guenther <rguenther@suse.de>
5523 PR tree-optimization/42773
5524 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5525 (compute_antic_aux): Likewise.
5526 (compute_partial_antic_aux): Likewise.
5528 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5531 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5534 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5536 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5539 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5540 Fix markup for strict argument.
5542 (TARGET_SCHED_REORDER2): Fix argument types.
5544 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5545 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5547 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5548 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5550 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5553 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5554 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5555 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5556 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5557 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5559 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5561 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5563 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5564 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5566 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5568 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5571 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5573 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5574 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5576 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5578 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5580 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5581 referring to it. Fix language.
5583 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5585 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5587 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5589 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5591 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5592 '@var{stream}. Remove stray 'and'.
5594 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5596 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5598 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5600 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5601 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5603 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5604 Fix description of return value.
5605 Rename argument "sz" to "len."
5607 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5608 Clarify meaning of 'true' return value.
5610 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5612 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5613 rep_mode versus mode_rep.
5615 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5617 (TARGET_BUILTIN_DECL): Fix name.
5619 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5621 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5623 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5625 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5627 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5629 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5632 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5633 Rename argument tm_fn to md_fn.
5635 (TARGET_OPTION_PRINT): Fix argument list.
5637 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5640 * config/i386/i386.c (ix86_fixup_binary_operands):
5641 Revert FMA4 fixup of operands.
5643 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5646 * Makefile.in (write_entries_to_file, install-plugin):
5647 Use \012 instead of \n with tr.
5649 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5651 * configure.ac (HAVE_AS_REF): New C macro.
5652 * configure: Regenerate.
5653 * config.in: Likewise.
5654 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5656 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5659 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5661 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5663 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5665 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5667 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5669 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5671 (TARGET_BINDS_LOCAL_P): Fix argument type.
5673 (TARGET_ASM_FILE_END): Use prototype.
5675 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5677 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5679 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5681 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5683 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5684 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5686 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5687 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5689 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5690 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5691 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5692 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5694 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5696 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5698 (TARGET_INIT_BUILTINS): Use prototype.
5700 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5701 Put 'const char *' in braces. Fix parameter types.
5702 (TARGET_INVALID_CONVERSION): Fix parameter types.
5703 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5704 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5706 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5709 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5711 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5713 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5715 * doc/tm.texi (TARGET_HELP): Fix return type.
5717 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5718 in braces. Fix argument types.
5720 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5722 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5724 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5726 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5727 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5729 (TARGET_MANGLE_TYPE): Fix argument types.
5731 (TARGET_IRA_COVER_CLASSES): Use prototype.
5733 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5735 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5737 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5739 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5741 (TARGET_CALLEE_COPIES): Fix argument types.
5743 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5745 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5747 (TARGET_FUNCTION_VALUE): Fix argument types.
5749 (TARGET_RETURN_IN_MSB): Fix argument type.
5751 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5753 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5755 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5757 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5758 agree with return type.
5760 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5762 2010-01-15 Jing Yu <jingyu@google.com>
5764 PR rtl-optimization/42691
5765 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
5766 a pseudo to a constant and are merged, and adjust comments.
5768 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
5770 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
5772 2010-01-15 Richard Guenther <rguenther@suse.de>
5775 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
5776 labels of computed or non-local gotos to the destination.
5777 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
5778 landing pad label is the first label.
5780 2010-01-15 Richard Guenther <rguenther@suse.de>
5782 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
5784 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5787 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
5788 to allow generation of the xssqrtdp instruction on power7.
5789 (sqrtdf2_fpr): Ditto.
5791 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5794 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
5795 functions with noreturn attribute.
5798 * varasm.c (declare_weak): Add weak attribute to decl if it
5799 doesn't have one already.
5800 (assemble_external): Only add decls to weak_decls if they also
5801 have weak attribute.
5803 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
5805 * var-tracking.c (var_reg_delete): Don't delete the association
5806 between REGs and values or one-part variables if the register
5809 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5812 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
5813 because its first operand is a non-localized variable.
5815 2010-01-14 Martin Jambor <mjambor@suse.cz>
5817 PR tree-optimization/42706
5818 * tree-sra.c (encountered_recursive_call): New variable.
5819 (encountered_unchangable_recursive_call): Likewise.
5820 (sra_initialize): Initialize both new variables.
5821 (callsite_has_enough_arguments_p): New function.
5822 (scan_function): Call decl and flags check only for IPA-SRA, check
5823 whether there is a recursive call and whether it has enough arguments.
5824 (all_callers_have_enough_arguments_p): New function.
5825 (convert_callers): Look for recursive calls only when
5826 encountered_recursive_call is set.
5827 (ipa_early_sra): Bail out either if
5828 !all_callers_have_enough_arguments_p or
5829 encountered_unchangable_recursive_call.
5831 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5833 * sel-sched.c: Add 2010 to copyright years.
5834 * sel-sched-ir.c: Likewise.
5835 * sel-sched-ir.h: Likewise.
5837 2010-01-14 Martin Jambor <mjambor@suse.cz>
5839 PR tree-optimization/42714
5840 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
5841 constructors specially.
5843 2010-01-14 Andi Kleen <ak@linux.intel.com>
5845 * config/i386/drivers-i386.c (detect_caches_intel):
5846 Add l2sizekb parameter and fill in.
5847 (host_detect_local_cpu): Add l2sizekb, fill in.
5848 Add Atom small cache heuristic.
5850 2010-01-14 Andi Kleen <ak@linux.intel.com>
5852 * config/i386/drivers-i386.c (detect_caches_cpuid4):
5853 Add level3 parameter and fill in.
5854 (detect_caches_intel): Handle level3 cache.
5856 2010-01-14 Andi Kleen <ak@linux.intel.com>
5858 * config/i386/drivers-i386.c (host_detect_local_cpu):
5859 Fix core duo detection.
5861 2010-01-14 Andi Kleen <ak@linux.intel.com>
5863 * config/i386/drivers-i386.c (host_detect_local_cpu):
5866 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5868 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
5869 (rs6000_variable_issue_1): this. Use...
5870 (rs6000_variable_issue): here. Reimplement. Print debug info.
5872 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5874 * sel-sched-ir.c (sel_restore_other_notes): Rename to
5875 sel_restore_notes. Update all callers. Call reemit_notes
5878 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5880 PR rtl-optimization/42246
5881 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
5884 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5886 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
5887 all successors is the same as number of successors in current region.
5889 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5891 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
5892 to rename is not separable. Otherwise check that its LHS is not NULL.
5894 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5896 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
5898 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5900 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
5901 available registers when failed to discover LHS register class.
5902 Fix indentation. Update comment.
5904 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5905 Alexander Monakov <amonakov@ispras.ru>
5907 PR rtl-optimization/42389
5908 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
5910 (advance_state_on_fence): Likewise.
5911 (sel_target_adjust_priority): Print debug output only when
5912 sched_verbose >= 4, not 2.
5913 (get_expr_cost): Do not issue all unique insns on the next cycle.
5914 (fill_insns): Initialize can_issue_more from the value saved
5916 * sel-sched-ir.c (flist_add): New parameter issue_more.
5917 Init FENCE_ISSUE_MORE with it.
5918 (merge_fences): Likewise.
5919 (init_fences): Update call to flist_add.
5920 (add_to_fences, add_clean_fence_to_fences)
5921 (add_dirty_fence_to_fences): Likewise.
5922 (move_fence_to_fences): Update call to merge_fences.
5923 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
5925 * sel-sched-ir.h (struct _fence): New field issue_more.
5926 (FENCE_ISSUE_MORE): New accessor macro.
5928 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5930 PR rtl-optimization/42388
5931 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
5932 that have no predecessors nor successors. Do not call move_bb_info
5933 for empty blocks outside of current region.
5935 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5937 PR rtl-optimization/42294
5938 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
5939 * sel-sched.c (move_exprs_to_boundary): Transitively add all
5940 originators' originators.
5942 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5944 PR rtl-optimization/39453
5945 PR rtl-optimization/42246
5946 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
5948 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
5950 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5951 Alexander Monakov <amonakov@ispras.ru>
5954 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
5955 (maybe_tidy_empty_bb): ... here. Make static. Add new
5956 argument. Update all callers.
5957 (tidy_control_flow): ... and here. Recompute topological order
5958 of basic blocks in region if necessary.
5959 (sel_redirect_edge_and_branch): Change return type. Return true
5960 if topological order might have been invalidated.
5961 (purge_empty_blocks): Export and move from...
5962 * sel-sched.c (purge_empty_blocks): ... here.
5963 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
5964 (maybe_tidy_empty_bb): Delete prototype.
5965 (purge_empty_blocks): Declare.
5967 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5969 PR rtl-optimization/42249
5970 * sel-sched.c (try_replace_dest_reg): When chosen register
5971 and original register is the same, do not bail out early, but
5972 still check all original insns for validity of replacing destination
5973 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
5976 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5979 Port from no-undefined-overflow branch:
5980 2009-03-09 Richard Guenther <rguenther@suse.de>
5982 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
5984 2010-01-14 Richard Guenther <rguenther@suse.de>
5987 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
5989 2010-01-14 Ira Rosen <irar@il.ibm.com>
5991 PR tree-optimization/42709
5992 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
5993 as scalar type in creation of constant vector operand.
5995 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5998 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
5999 (check-parallel-%): Match `testsuite' directory component only
6002 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6004 PR translation/39521
6005 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6008 2010-01-13 Richard Guenther <rguenther@suse.de>
6010 PR tree-optimization/42730
6011 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6014 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6017 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6018 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6021 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6023 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6024 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6025 ___umulsi3_highpart.
6027 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6028 rather than schedule_insns if the pass is enabled.
6030 2010-01-13 Martin Jambor <mjambor@suse.cz>
6032 PR tree-optimization/42704
6033 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6036 2010-01-13 Martin Jambor <mjambor@suse.cz>
6038 PR tree-optimization/42703
6039 * tree-sra.c (analyze_access_subtree): Check that we can build a
6040 reference to the original data within the aggregate.
6042 2010-01-13 Richard Guenther <rguenther@suse.de>
6044 PR tree-optimization/42705
6045 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6047 2010-01-13 Richard Guenther <rguenther@suse.de>
6050 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6052 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6055 * var-tracking.c (values_to_unmark): New variable.
6056 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6057 values_to_unmark vector. Moved body to...
6058 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6059 instead queue it into values_to_unmark vector.
6060 (vt_find_locations): Free values_to_unmark vector.
6062 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6064 * config/s390/s390.c (override_options): Set
6065 default of max-pending-list-length to 256
6067 2010-01-13 Richard Guenther <rguenther@suse.de>
6070 * tree-pass.h (PROP_gimple_lcx): New.
6071 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6072 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6073 before the final cleanup_eh.
6074 (dump_properties): Dump PROP_gimple_lcx.
6075 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6076 (tree_lower_complex_O0): Remove.
6077 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6078 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6079 tree_lower_complex, schedule TODO_update_ssa.
6080 * lto-streamer-out.c (output_function): Stream the functions
6082 * lto-streamer-in.c (input_function): Likewise.
6083 (lto_read_body): Do not override them here.
6085 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6088 * c-typeck.c (build_c_cast): Fold value cast to union type before
6089 wrapping it in a CONSTRUCTOR.
6091 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6093 PR rtl-optimization/42699
6094 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6097 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6099 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6100 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6101 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6102 SUBTARGET_WARN_UNUSED_SPEC): ... here
6103 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6105 2010-01-12 Julian Brown <julian@codesourcery.com>
6107 * config/arm/neon-schedgen.ml (Utils): Don't try to
6108 open missing module.
6109 (find_with_result): New.
6111 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6114 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6115 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6117 PR tree-optimization/42645
6118 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6119 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6120 decl_map, set processing_debug_stmt to -1 and return name without
6123 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6125 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6126 binutils version, and reword target configuration description.
6128 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6130 * config/avr/avr.h (LINKER_NAME): Remove.
6132 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6135 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6136 that support VSX, warn for -mno-altivec if vsx is not disabled,
6139 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6140 Shujing Zhao <pearly.zhao@oracle.com>
6142 PR translation/42469
6143 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6144 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6145 character between option name and help text.
6146 * c.opt (imultilib): Likewise.
6148 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6150 * lto-streamer-out.c (output_unreferenced_globals): Output static
6153 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6155 PR rtl-optimization/42621
6156 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6157 optimizing for size.
6158 (duplicate_computed_gotos): Remove now-redundant check.
6160 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6163 * configure.ac: Save and restore LDFLAGS and LIBS
6164 * configure: Regenerate.
6166 2010-01-10 Richard Guenther <rguenther@suse.de>
6169 * builtins.c (fold_builtin_strlen): Add type argument and
6170 convert the resulting length to it.
6171 (fold_builtin_1): Adjust.
6173 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6175 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6176 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6178 (num_insns_constant_wide): Adjust for that change.
6180 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6183 * web.c (union_defs): Add used argument, to combine uses of
6185 (entry_register): Adjust type and tests of used argument.
6186 (web_main): Widen used for new use. Pass it to union_defs.
6187 * df.h (union_defs): Adjust prototype.
6189 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6192 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6193 uses in new incoming argument. Free body.
6194 (reset_debug_uses_in_loop): New.
6195 (analyze_insn_to_expand_var): Call the latter if the former found
6196 anything. Fix whitespace. Reject invalid dest overlaps before
6197 going through all insns in the loop.
6199 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6202 * haifa-sched.c (dying_use_p): Debug insns don't count.
6204 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6207 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6208 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6209 (verify_gimple_call): Reject LHS in noreturn calls.
6211 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6215 * tree-vect-loop-manip.c (adjust_info): New type.
6216 (adjust_vec): New pointer to vector.
6217 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6218 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6219 (slpeel_update_phis_for_duplicate_loop): Use them.
6220 (slpeel_update_phi_nodes_for_guard1): Likewise.
6221 (slpeel_update_phi_nodes_for_guard2): Likewise.
6222 (slpeel_tree_peel_loop_to_edge): Likewise.
6223 (vect_update_ivs_after_vectorizer): Likewise.
6225 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6227 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6228 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6230 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6232 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6233 bogus uninitialized warning.
6235 2010-01-09 Richard Guenther <rguenther@suse.de>
6238 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6239 the evolution is compatible with the initial condition.
6241 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6243 * gcc.c (process_command): Update copyright notice dates.
6244 * gcov.c (print_version): Likewise.
6245 * gcov-dump.c (print_version): Likewise.
6246 * mips-tfile.c (main): Likewise.
6247 * mips-tdump.c (main): Likewise.
6249 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6252 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6254 (rotlhi3_8): Delete.
6256 (rotlsi3_8): Delete.
6257 (rotlsi3_16): Delete.
6258 (rotlsi3_24): Delete.
6260 (*rotw<mode>3): New.
6261 (*rotb<mode>3): New.
6262 * config/avr/avr.c (avr_rotate_bytes): New function.
6263 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6265 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6268 * configure.ac: Modify -rdynamic check.
6269 * configure: Regenerate.
6271 2010-01-08 DJ Delorie <dj@redhat.com>
6273 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6274 register popping order.
6276 2010-01-08 Richard Guenther <rguenther@suse.de>
6279 * c.opt (fsigned-char): Also let LTO handle this option.
6280 (funsigned-char): Likewise.
6282 2010-01-07 Richard Guenther <rguenther@suse.de>
6284 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6285 (gimple_op): Likewise.
6286 (gimple_op_ptr): Likewise.
6287 (gimple_assign_set_lhs): Remove gcc_assert.
6288 (gimple_assign_set_rhs1): Likewise.
6289 (gimple_assign_set_rhs2): Likewise.
6290 (gimple_call_set_lhs): Likewise.
6291 (gimple_call_set_fn): Likewise.
6292 (gimple_call_set_fndecl): Likewise.
6293 (gimple_call_fndecl): Likewise.
6294 (gimple_call_return_type): Likewise.
6295 (gimple_call_set_chain): Likewise.
6296 (gimple_call_num_args): Likewise.
6297 (gimple_call_set_arg): Likewise.
6298 (gimple_cond_set_code): Likewise.
6299 (gimple_cond_set_lhs): Likewise.
6300 (gimple_cond_set_rhs): Likewise.
6301 (gimple_cond_set_true_label): Likewise.
6302 (gimple_cond_set_false_label): Likewise.
6303 (gimple_label_set_label): Likewise.
6304 (gimple_goto_set_dest): Likewise.
6305 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6306 (gimple_debug_bind_get_value): Likewise.
6307 (gimple_debug_bind_get_value_ptr): Likewise.
6308 (gimple_debug_bind_set_var): Likewise.
6309 (gimple_debug_bind_set_value): Likewise.
6310 (gimple_debug_bind_reset_value): Likewise.
6311 (gimple_debug_bind_has_value_p): Likewise.
6312 (gimple_return_retval_ptr): Remove gcc_assert.
6313 (gimple_return_retval): Likewise.
6314 (gimple_return_set_retval): Likewise.
6315 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6316 (safe_referenced_var_iterator): Remove.
6317 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6318 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6319 (fill_referenced_var_vec): Remove.
6320 (first_readonly_imm_use): Remove redundant gcc_assert.
6321 (phi_arg_index_from_use): Combine gcc_asserts.
6322 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6323 (first_imm_use_stmt): Remove redundant gcc_assert.
6324 * tree-cfg.c (verify_gimple_call): Verify function and chain
6325 operands. Verify arguments.
6326 (verify_types_in_gimple_stmt): Verify condition code and labels.
6328 2010-01-07 Richard Guenther <rguenther@suse.de>
6330 PR tree-optimization/42641
6331 * sese.c (rename_map_elt_info): Use the SSA name version, do
6334 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6336 PR tree-optimization/42625
6337 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6338 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6340 2010-01-07 Duncan Sands <baldrick@free.fr>
6342 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6344 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6347 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6348 note itself is not function_invariant_p.
6350 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6352 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6353 Do not add the DF_NOTE problem.
6354 * store-motion.c (execute_rtl_store_motion): Likewise.
6356 2010-01-07 Martin Jambor <mjambor@suse.cz>
6358 PR tree-optimization/42157
6359 * tree-sra.c (compare_access_positions): Stabilize sort if both
6360 accesses have integer types, return zero immediately if they are the
6363 2010-01-06 Richard Henderson <rth@redhat.com>
6366 * haifa-sched.c (add_to_note_list): Merge into ...
6367 (concat_note_lists): ... here, and ...
6368 (unlink_other_notes, rm_other_notes): Merge into...
6369 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6370 NOTE_INSN_EPILOGUE_BEG.
6372 2010-01-06 Richard Guenther <rguenther@suse.de>
6374 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6375 not inline regular functions into always-inline functions.
6377 2010-01-06 Nick Clifton <nickc@redhat.com>
6379 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6380 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6382 (OVERRIDE_OPTIONS): Delete.
6383 (OPTIMIZATION_OPTIONS): Define.
6384 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6385 * config/rx/rx.c (rx_handle_option): Issue an error message if
6386 -mcpu=rx200 and -fpu are used together.
6387 (rx_set_optimization_options): New function. Issue an error
6388 message if an optimization attribute attempts to reset the FPU/
6389 math optimization pairing.
6390 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6391 * config/rx/rx.opt: Set the default to 32-bit doubles.
6392 * config/rx/t-rx: Add multilibs for -nofpu option.
6393 * doc/invoke.texi: Update documentation of RX options.
6395 2010-01-06 Richard Guenther <rguenther@suse.de>
6397 * tree-ssa-pre.c (name_to_id): New global.
6398 (alloc_expression_id): Simplify SSA name handling.
6399 (lookup_expression_id): Likewise.
6400 (init_pre): Zero name_to_id.
6401 (fini_pre): Free it.
6403 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6405 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6407 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6410 * config/i386/sse.md (smaxv2di3): New.
6411 (umaxv2di3): Likewise.
6412 (sminv2di3): Likewise.
6413 (uminv2di3): Likewise.
6415 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6418 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6419 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6420 (legitimize_tls_address): Likewise.
6421 (sparc_tls_referenced_p): Likewise.
6422 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6423 and adjust calls to legitimize_pic_address.
6424 (legitimate_constant_p) Use sparc_tls_referenced_p.
6425 (legitimate_pic_operand_p): Likewise.
6426 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6427 (sparc_tls_symbol_ref_1): Delete.
6428 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6429 (legitimize_tls_address): Make static, handle CONST patterns.
6430 (legitimize_pic_address): Make static, remove unused parameter and
6431 adjust recursive calls.
6432 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6433 and adjust call to legitimize_pic_address.
6434 (sparc_output_mi_thunk): Likewise.
6436 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6437 H.J. Lu <hongjiu.lu@intel.com>
6440 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6441 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6442 operands to make them signed.
6445 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6448 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6449 GTU to GT for V4SI and V2DI.
6451 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6452 (umin<mode>3): Removed.
6454 (uminv4si3): Likewise.
6456 2010-01-05 Martin Jambor <mjambor@suse.cz>
6458 PR tree-optimization/42462
6459 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6460 current_function_decl to helper functions and macros.
6462 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6465 * flags.h: Don't include real.h.
6466 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6467 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6468 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6469 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6470 * dominance.c: Update copyright.
6471 * gimple.c (walk_gimple_op): Remove inline.
6472 * tree-ssa-reassoc.c: Include real.h.
6473 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6474 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6476 2010-01-05 Nick Clifton <nickc@redhat.com>
6478 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6479 register to push into the stack frame when the accumulator has to
6480 be saved during interrupts.
6482 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6484 * doc/invoke.texi: Remove the documentation about option
6486 * common.opt (Wunreachable-code): Preserved for backward
6488 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6489 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6490 the backward compatibility flag section.
6492 2010-01-05 Richard Guenther <rguenther@suse.de>
6494 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6496 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6499 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6501 PR tree-optimization/42508
6502 * tree-sra.c (convert_callers): Check for recursive call
6503 by comparing cgraph nodes instead of decls.
6504 (modify_function): Call ipa_modify_formal_parameters also
6505 on all same_body aliases.
6507 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6508 cgraph nodes when checking for same_body aliases.
6510 2010-01-05 Richard Guenther <rguenther@suse.de>
6512 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6513 allocation and lookup.
6514 (get_or_alloc_expr_for_constant): Likewise.
6515 (phi_translate): Sink allocation.
6517 2010-01-04 Richard Guenther <rguenther@suse.de>
6519 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6520 a new entry only if needed.
6521 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6522 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6524 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6526 (phi_translate): Handle CONSTANTs early.
6528 2010-01-04 Martin Jambor <mjambor@suse.cz>
6530 PR tree-optimization/42398
6531 * tree-sra.c (struct access): Removed flag grp_different_types.
6532 (dump_access): Do not dump the removed flag.
6533 (sort_and_splice_var_accesses): Do not set the removed flag.
6534 (sra_modify_expr): Check for type compatibility directly.
6536 2010-01-04 Martin Jambor <mjambor@suse.cz>
6538 PR tree-optimization/42366
6539 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6540 edges with variable number of parameters.
6541 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6542 flag instead of asserting it.
6543 (ipa_read_node_info): Read uses_analysis_done flag.
6545 2010-01-04 Richard Guenther <rguenther@suse.de>
6547 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6548 iterative_hash_* as intended.
6549 (vn_reference_compute_hash): Likewise. Simplify hashing
6551 (vn_reference_lookup_2): Likewise.
6552 (vn_nary_op_compute_hash): Likewise.
6553 (vn_phi_compute_hash): Likewise.
6554 (expressions_equal_p): Remove strange code.
6555 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6556 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6557 (bitmap_insert_into_set_1): Take value-id as parameter.
6558 (add_to_value): Pass it.
6559 (bitmap_insert_into_set): Likewise.
6560 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6562 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6565 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6566 (do_self_spec): For switches with SWITCH_IGNORE set set also
6567 SWITCH_IGNORE_PERMANENTLY.
6568 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6571 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6573 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6574 tree of an unreferenced global var.
6576 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6579 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6580 GTU to GT for V4SI and V2DI.
6582 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6583 (umin<mode>3): Removed.
6585 (uminv4si3): Likewise.
6587 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6590 * collect2.c (main): Turn on trace in collect2 if -v is passed
6593 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6595 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6596 description of expression operand.
6598 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6600 * configure.ac: Add install-html to target_list for Make-hooks.
6601 * configure: Regenerate.
6602 * fortran/Make-lang.in (F95_HTMLFILES): New.
6603 (fortran.html): Use it.
6604 (fortran.install-html): New.
6605 * Makefile.in (install-html): Add lang.install-html.
6606 * java/Make-lang.in (JAVA_HTMLFILES): New.
6607 (java.html): Use it.
6608 (java.install-html): New.
6609 * objc/Make-lang.in (objc.install-html): New.
6610 * objcp/Make-lang.in (obj-c++.install-html): New.
6611 * cp/Make-lang.in (c++.install-html): New.
6612 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6613 * lto/Make-lang.in (lto.install-html): New.
6615 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6618 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6620 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6622 PR rtl-optimization/41862
6623 * store-motion.c (store_killed_in_insn, compute_store_table,
6624 remove_reachable_equiv_notes, replace_store_insn,
6625 build_store_vectors): Ignore all DEBUG_INSNs.
6627 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6630 * common.opt: Add dumpdir.
6632 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6634 (option_map): Add --dumpdir.
6636 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6638 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6640 * opts.c (decode_options): Try dump_dir_name first if
6641 dump_base_name isn't an absolute path.
6642 (common_handle_option): Handle OPT_dumpdir.
6644 * toplev.c (dump_dir_name): New.
6645 (print_switch_values): Also ignore -dumpdir.
6647 * toplev.h (dump_dir_name): New.
6649 2010-01-03 Richard Guenther <rguenther@suse.de>
6651 PR tree-optimization/42589
6652 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6653 double-word expansion of bswap32.
6655 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6657 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6658 with BLOCK_FOR_INSN.
6659 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6660 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6661 noce_process_if_block): Likewise.
6662 * gcse.c (compute_local_properties, insert_expr_in_table,
6663 insert_set_in_table, canon_list_insert, find_avail_set,
6664 pre_insert_copy_insn): Likewise.
6666 * basic-block.h (BLOCK_NUM): Move from here...
6667 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6669 2010-01-03 Richard Guenther <rguenther@suse.de>
6671 PR tree-optimization/42438
6672 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6673 contains_may_not_return_call flag.
6674 (BB_MAY_NOTRETURN): New.
6675 (valid_in_sets): Trapping nary operations are not valid
6676 in blocks that may not return.
6677 (insert_into_preds_of_block): Remove check for trapping expressions.
6678 (compute_avail): Compute also BB_MAY_NOTRETURN.
6680 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6682 * doc/invoke.texi: Add 2010 to copyright years.
6684 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6686 * config/sparc/sparc.c: Fix formatting nits.
6688 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6689 Alexander Monakov <amonakov@ispras.ru>
6691 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6693 2010-01-02 Richard Guenther <rguenther@suse.de>
6696 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6697 (simplify_switch_using_ranges): Mark to be removed edges
6700 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6702 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6704 * collect2.c (scan_libraries): Add missing argument in call to
6707 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6710 * config/alpha/predicates.md (aligned_memory_operand): Return false
6712 (unaligned_memory_operand): Return true for CQImode.
6713 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6714 doesn not cross aligned SImode word boundary.
6716 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6718 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6720 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6721 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6723 2010-01-02 Richard Guenther <rguenther@suse.de>
6726 * toplev.c (compile_file): Emit LTO marker properly. Change
6728 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6730 2010-01-01 Richard Guenther <rguenther@suse.de>
6733 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6735 2010-01-01 Richard Guenther <rguenther@suse.de>
6738 * c-decl.c (grokdeclarator): For zero-size arrays force
6739 structural equality checks as layout_type does.
6741 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6743 * builtins.c: Update copyright to 2010.
6745 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6748 * lto-streamer-out.c (produce_asm): Revert the last change.
6749 (copy_function): Likewise.
6751 * lto-streamer.c (lto_get_section_name): Skip any leading
6754 2010-01-01 Richard Guenther <rguenther@suse.de>
6757 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6761 Copyright (C) 2010 Free Software Foundation, Inc.
6763 Copying and distribution of this file, with or without modification,
6764 are permitted in any medium without royalty provided the copyright
6765 notice and this notice are preserved.