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* dwarf2out.c (gen_compile_unit_die): Use DW_LANG_Go for Go.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index a297cce..5e31912 100644 (file)
@@ -1,3 +1,844 @@
+2011-12-28  Ian Lance Taylor  <iant@google.com>
+
+       * dwarf2out.c (gen_compile_unit_die): Use DW_LANG_Go for Go.
+
+2011-12-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+       PR target/51623
+       * config/rs6000/rs6000.c (rs6000_assemble_integer): Don't call
+       unlikely_text_section_p.  Instead check for being in a code
+       section.
+
+2011-12-28  Ira Rosen  <irar@il.ibm.com>
+
+       PR tree-optimization/51684
+       * tree-vect-slp.c (vect_schedule_slp_instance): Get gsi of original
+       statement in case of a pattern.
+       (vect_schedule_slp): Likewise.
+
+2011-12-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+       PR rtl-optimization/51667
+       * ree.c (insn_merge_code): Delete.
+       (is_insn_merge_attempted): Likewise.
+       (get_insn_status): Likewise.
+       (set_insn_status): Likewise.
+       (struct ext_cand): Add CODE and MODE fields.
+       (combine_set_extend): Rename to...
+       (combine_set_extension): ...this.  Use above fields and tidy up.
+       (transform_ifelse): Likewise.
+       (get_defs): Return the chain of definitions.
+       (is_this_a_cmove): Merge into...
+       (is_cond_copy_insn): ...this.  Return bool.
+       (make_defs_and_copies_lists): Adjust calls to get_defs and simplify.
+       (merge_def_and_ext): Adjust call to combine_set_extend.
+       (combine_reaching_defs): Remove calls to {g|s}et_insn_status.
+       (struct extend_info): Rename to...
+       (struct re_info): ...this.  Add DEF_MAP field.
+       (add_ext_candidate): Merge into...
+       (add_removable_extension): ...this.  Adjust calls to get_defs.  Ensure
+       reaching definitions are associated with only one kind of extension.
+       (find_removable_extensions): Create and destroy the definition map.
+       (find_and_remove_re): Return void.  Change 'long' variables to 'int'.
+       Do not deal with is_insn_merge_attempted.
+
+2011-12-25  Jan Hubicka  <jh@suse.cz>
+
+       PR middle-end/48641 
+       * tree-ssa-threadupdate.c (redirect_edges): Watch for overflow.
+
+2011-12-26  Oleg Endo  <oleg.endo@t-online.de>
+
+       * config/sh/sync.md: Add soft atomics ABI description.
+       (fetchop_name): Use 'or' instead of 'ior'.
+       (fetchop_insn): Remove.
+       (atomic_compare_and_swap<mode>_soft):
+        Don't insert aligning nop after the write-back instruction.  Fix
+       multi-line asm output formatting style.
+        (atomic_fetch_<fetchop_name><mode>_soft): Likewise.
+        (atomic_fetch_nand<mode>_soft): Likewise.
+        (atomic_<fetchop_name>_fetch<mode>_soft): Likewise.
+        (atomic_nand_fetch<mode>_soft): Likewise.
+
+2011-12-23  Richard Henderson  <rth@redhat.com>
+
+       * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR): Remove.
+       * cfgexpand.c (expand_debug_expr): Don't handle them.
+       * expr.c (expand_expr_real_2): Likewise.
+       * fold-const.c (fold_binary_loc): Likewise.
+       * gimple-pretty-print.c (dump_binary_rhs): Likewise.
+       * tree-cfg.c (verify_gimple_assign_binary): Likewise.
+       * tree-inline.c (estimate_operator_cost): Likewise.
+       * tree-pretty-print.c (dump_generic_node): Likewise.
+       * tree-vect-generic.c (expand_vector_operations_1): Likewise.
+       * optabs.c (optab_for_tree_code): Likewise.
+       (can_vec_perm_for_code_p): Remove.
+       (expand_binop): Don't try it.
+       (init_optabs): Don't init vec_extract_even/odd_optab.
+       * genopinit.c (optabs): Likewise.
+       * optabs.h (OTI_vec_extract_even, OTI_vec_extract_odd): Remove.
+       (vec_extract_even_optab, vec_extract_odd_optab): Remove.
+       * tree-vect-data-refs.c (vect_strided_store_supported): Tidy code.
+       (vect_permute_store_chain): Use TYPE_VECTOR_SUBPARTS instead of
+       GET_MODE_NUNITS; check vect_gen_perm_mask return value instead of
+       asserting vect_strided_store_supported.
+       (vect_strided_load_supported): Use can_vec_perm_p.
+       (vect_permute_load_chain): Use VEC_PERM_EXPR.
+
+       * doc/generic.texi (VEC_EXTRACT_EVEN_EXPR): Remove.
+       (VEC_EXTRACT_ODD_EXPR): Remove.
+       * doc/md.texi (vec_extract_even, vec_extract_odd): Remove.
+
+2011-12-23  Anatoly Sokolov  <aesok@post.ru>
+
+       * config/score/score.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
+       * config/score/score-protos.h (score_register_move_cost): Remove.
+       * config/score/score.c (TARGET_REGISTER_MOVE_COST): Define.
+       (score_register_move_cost): Make static. Change arguments type from
+       enum reg_class to reg_class_t.
+
+2011-12-23  Jakub Jelinek  <jakub@redhat.com>
+           Richard Henderson  <rth@redhat.com>
+
+       * tree.def (VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): Remove.
+       * gimple-pretty-print.c (dump_binary_rhs): Don't handle
+       VEC_INTERLEAVE_HIGH_EXPR and VEC_INTERLEAVE_LOW_EXPR.
+       * expr.c (expand_expr_real_2): Likewise.
+       * tree-cfg.c (verify_gimple_assign_binary): Likewise.
+       * cfgexpand.c (expand_debug_expr): Likewise.
+       * tree-inline.c (estimate_operator_cost): Likewise.
+       * tree-pretty-print.c (dump_generic_node): Likewise.
+       * tree-vect-generic.c (expand_vector_operations_1): Likewise.
+       * fold-const.c (fold_binary_loc): Likewise.
+       * doc/generic.texi (VEC_INTERLEAVE_HIGH_EXPR,
+       VEC_INTERLEAVE_LOW_EXPR): Remove documentation.
+       * optabs.c (optab_for_tree_code): Don't handle
+       VEC_INTERLEAVE_HIGH_EXPR and VEC_INTERLEAVE_LOW_EXPR.
+       (expand_binop, init_optabs): Remove vec_interleave_high_optab
+       and vec_interleave_low_optab.
+       * genopinit.c (optabs): Likewise.
+       * optabs.h (OTI_vec_interleave_high, OTI_vec_interleave_low): Remove.
+       (vec_interleave_high_optab, vec_interleave_low_optab): Remove.
+       * doc/md.texi (vec_interleave_high, vec_interleave_low): Remove
+       documentation.
+       * tree-vect-stmts.c (gen_perm_mask): Renamed to...
+       (vect_gen_perm_mask): ... this.  No longer static.
+       (perm_mask_for_reverse, vectorizable_load): Adjust callers.
+       * tree-vectorizer.h (vect_gen_perm_mask): New prototype.
+       * tree-vect-data-refs.c (vect_strided_store_supported): Don't try
+       VEC_INTERLEAVE_*_EXPR, use can_vec_perm_p instead of
+       can_vec_perm_for_code_p.
+       (vect_permute_store_chain): Generate VEC_PERM_EXPR with interleaving
+       masks instead of VEC_INTERLEAVE_HIGH_EXPR and VEC_INTERLEAVE_LOW_EXPR.
+       * config/i386/i386.c (expand_vec_perm_interleave2): If
+       expand_vec_perm_interleave3 would handle it, return false.
+       (expand_vec_perm_broadcast_1): Don't use vec_interleave_*_optab.
+
+2011-12-23  Richard Henderson  <rth@redhat.com>
+
+       * config/mips/loongson.md (UNSPEC_LOONGSON_PINSR_0,
+       UNSPEC_LOONGSON_PINSR_1, UNSPEC_LOONGSON_PINSR_2,
+       UNSPEC_LOONGSON_PINSR_3): Replace with...
+       (UNSPEC_LOONGSON_PINSRH): ... this.
+       (UNSPEC_LOONGSON_VINIT): New.
+       (UNSPEC_LOONGSON_DSLL, UNSPEC_LOONGSON_DSRL): New.
+       (VWB): New mode iterator.
+       (V_inner): New mode attribute.
+       (loongson_vec_init1_<VHB>): New.
+       (*vec_concatv2si): New.
+       (and<VWHB>3, ior<VWHB>3, xor<VWHB>3, one_cmpl<VWHB>2): New.
+       (*loongson_nor): New.
+       (loongson_pextrh): Un-macro-ify.
+       (loongson_pmaddhw): Likewise.
+       (smaxv4hi3, umaxv8qi3, sminv4hi3, uminv8qi3): Likewise.
+       (loongson_pinsrh_0): Represent with vec_select+vec_concat.
+       (loongson_pinsrh_1, loongson_pinsrh_2, loongson_pinsrh_3): Likewise.
+       (*vec_setv4hi, vec_setv4hi): New.
+       (sdot_prodv4hi): New.
+       (smax<VWB>3, smin<VWB>3): New.
+       (reduc_uplus_v8qi): New.
+       (loongson_pshufh): Remove destination matching input.
+       (ashl<VWH>3, ashr<VWH>3, lshr<VWH>3): Fix type attribute.
+       (vec_interleave_high<VWHB>, vec_interleave_low<VWHB>): Remove.
+       (loongson_punpckhbh, loongson_punpckhhw, loongson_punpckhhw_qi,
+       loongson_punpckhwd, loongson_punpckhwd_qi, loongson_punpckhwd_hi,
+       loongson_punpcklbh, loongson_punpcklhw, loongson_punpcklhw_qi,
+       loongson_punpcklwd, loongson_punpcklwd_qi, loongson_punpcklwd_hi,
+       vec_perm_const<VWHB>, vec_unpacks_lo_<VHB>, vec_unpacks_hi_<VHB>,
+       vec_unpacku_lo_<VHB>, vec_unpacku_hi_<VHB>, vec_shl_<VWHBDI>,
+       vec_shr_<VWHBDI>, reduc_uplus_<VWH>, reduc_splus_<VWHB>,
+       reduc_smax_<VWHB>, reduc_smin_<VWHB>, reduc_umax_<VWHB>,
+       reduc_umin_<VB>): New.
+       * config/mips/mips-ps-3d.md (vec_perm_const_ps): New.
+       (mips_pul_ps, mips_puu_ps, mips_pll_ps, mips_plu_ps): Expand in
+       terms of vec_perm_const_ps.
+       (vec_perm_constv2sf): New.
+       (vec_initv2sf): Use mips_expand_vector_init.
+       (vec_concatv2sf): Rename from vec_initv2sf_internal.
+       (vec_setv2sf): Use vec_perm_const_ps.
+       (reduc_splus_v2sf, reduc_smin_v2sf, reduc_smax_v2sf): New.
+       * config/mips/loongson.h (pshufh_u, pshufh_s): Don't pass dest to
+       the builtin.
+       * config/mips/mips-modes.def (V16QI, V8HI, V4SI, V4SF): New modes.
+       * config/mips/mips-protos.h: Update.
+       * config/mips/mips.c (mips_get_arg_info): Match V2SFmode, not all
+       MODE_VECTOR_FLOAT.
+       (mips_return_mode_in_fpr_p): Likewise.
+       (mips_cannot_change_mode_class): Allow 8-byte integral mode changes.
+       (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw,
+       CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh,
+       CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): Remove.
+       (mips_builtins): Remove first operand for loongson pshufh builtins.
+       (MAX_VECT_LEN, struct expand_vec_perm_d): New.
+       (mips_expand_vselect, mips_expand_vselect_vconcat,
+       mips_expand_vpc_loongson_even_odd, mips_expand_vpc_loongson_pshufh,
+       mips_expand_vpc_loongson_bcast, mips_expand_vec_perm_const_1,
+       mips_expand_vec_perm_const, mips_vectorize_vec_perm_const_ok,
+       mips_expand_vec_unpack, mips_constant_elt_p, mips_expand_vi_broadcast,
+       mips_expand_vi_constant, mips_expand_vi_loongson_one_pinsrh,
+       mips_expand_vi_general, mips_expand_vec_reduc, mips_expand_vec_minmax,
+       TARGET_VECTORIZE_VEC_PERM_CONST_OK): New.
+       (mips_expand_vector_init): Rewrite.
+       * config/mips/predicates.md (const_2_or_3_operand): New.
+       (const_0_to_3_operand): New.
+
+2011-12-23  Dmitry Plotnikov  <dplotnikov@ispras.ru>
+
+       * config/arm/neon.md (float<mode><V_cvtto>2): New.
+       (floatuns<mode><V_cvtto>2): New.
+       (fix_trunc<mode><V_cvtto>2): New.
+       (fix_truncuns<mode><V_cvtto>2): New.
+       * config/arm/iterators.md (V_cvtto): New iterator.
+
+2011-12-23  Richard Guenther  <rguenther@suse.de>
+
+       PR rtl-optimization/50396
+       * simplify-rtx.c (simplify_binary_operation_1): Properly
+       guard code that only works for integers.
+
+2011-12-23  Tristan Gingold  <gingold@adacore.com>
+
+       * config/vms/vms-crtlmap.map (log10): Fix typo.
+
+2011-12-23  Tristan Gingold  <gingold@adacore.com>
+
+       * config/ia64/vms.h (SUPPORTS_ONE_ONLY): Define.
+
+2011-12-22  Bin Cheng  <bin.cheng@arm.com>
+       Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/43491
+       * tree-ssa-pre.c (eliminate): Don't replace global register
+       variable when it is the RHS of a single assign.
+
+2011-12-22  Joey Ye  <joey.ye@arm.com>
+
+       * toplev.c (process_options): Fix typo.
+
+2011-12-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+       PR middle-end/51252
+       * config/pa/pa.c (pa_som_tm_clone_table_section): New function.
+       (som_tm_clone_table_section): Declare.
+       (pa_file_start_space): Create $TM_CLONE_TABLE$ subspace.
+       (pa_som_asm_init_sections): Init som_tm_clone_table_section.
+       * config/pa/som.h (TARGET_ASM_TM_CLONE_TABLE_SECTION): Define.
+
+2011-12-22  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       * doc/tm.texi.in (TARGET_PREPARE_PCH_SAVE): New hook.
+       * doc/tm.texi: Regenerate.
+       * target.def (prepare_pch_save): New hook.
+       * c-family/c-pch.c (c_common_write_pch): Call it.
+       * config/mips/mips.c (was_mips16_pch_p): Delete.
+       (mips_set_mips16_mode): Don't refer to was_mips16_pch_p.
+       (mips_prepare_pch_save): New function.
+       (TARGET_PREPARE_PCH_SAVE): Define.
+
+2011-12-22  Aldy Hernandez  <aldyh@redhat.com>
+
+       PR middle-end/51212
+       * opts.c (finish_options): Call sorry on -fgnu-tm and
+       -fnon-call-exceptions combination.
+
+2011-12-22  Jonathan Wakely  <jwakely.gcc@gmail.com>
+
+       * doc/invoke.texi (C++ Dialect Options): Add missing options and
+       move -Wzero-as-null-pointer-constant to ...
+       (Warning Options): ... here.
+
+2011-12-22  Jonathan Wakely  <jwakely.gcc@gmail.com>
+
+       PR target/47643
+       * doc/invoke.texi (i386 and x86-64 Options): Fix description of
+       -mtune without -march.
+
+2011-12-21  Richard Earnshaw  <rearnsha@arm.com>
+
+       PR target/51643
+       * arm.c (arm_function_ok_for_sibcall): Use DECL_WEAK in previous
+       change.
+
+2011-12-22  Tristan Gingold  <gingold@adacore.com>
+
+       * config/ia64/ia64.c (ia64_promote_function_mode): Remove.
+       (TARGET_PROMOTE_FUNCTION_MODE): Remove.
+       (ia64_function_value): Call promote_function_mode instead of
+       ia64_promote_function_mode.
+       * config/ia64/vms.h (PROMOTE_MODE): Define.
+       (TARGET_PROMOTE_FUNCTION_MODE): Define.
+
+2011-12-22  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/27468
+       * common/config/alpha/alpha-common.c (alpha_option_optimization_table):
+       Enable flag_ree at -O2 or higher.
+
+2011-12-22  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/51650
+       * lto.c (uniquify_nodes): Register TYPE_DECLs with the
+       debuginfo machinery.
+
+2011-12-22  Bernd Schmidt  <bernds@codesourcery.com>
+
+       * tree-pass.h (pass_reload): Declare.
+       * ira.c (overall_cost_before, saved_flag_ira_share_spill_slots):
+       New global variables, moved out of ira.
+       (do_reload): New static function, split off from the second half
+       of ...
+       (ira): ... here.
+       (gate_ira): Remove.
+       (pass_ira): Use TV_IRA, set gate to NULL, and set flags to
+       TODO_dump_func.
+       (rest_of_handle_reload): New static function.
+       (pass_reload): New.
+
+2011-12-22  Uros Bizjak  <ubizjak@gmail.com>
+
+       * common/config/i386/i386-common.c (ix86_option_optimization_table):
+       Move OPT_free processing from ...
+       * config/i386/i386.c (ix86_option_override_internal):  ... here.
+
+2011-12-21  Richard Earnshaw  <rearnsha@arm.com>
+
+       PR target/51643
+       * arm.c (arm_function_ok_for_sibcall): Don't try to tailcall a
+       weak function on bare-metal EABI targets.
+
+2011-12-21  Jonathan Wakely  <jwakely.gcc@gmail.com>
+           Jim Avera  <james_avera@yahoo.com>
+
+       * doc/extend.texi (__builtin_expect): Improve example.
+
+2011-12-21  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.c (ix86_option_override_internal): Enable flag_ree
+       also for 32bit targets.
+
+2011-12-21  Richard Henderson  <rth@redhat.com>
+
+       PR target/51552
+       * dwarf2cfi.c (dwarf2out_frame_debug): Move any_cfis_emitted code...
+       (scan_trace): ... here.
+
+2011-12-21  Jason Merrill  <jason@redhat.com>
+
+       * doc/standards.texi (C++ language): Update for C++11.
+
+2011-12-21  Jakub Jelinek  <jakub@redhat.com>
+
+       * tree-vect-patterns.c (vect_operation_fits_smaller_type): Initialize
+       *op0 and *op1 to NULL_TREE first to avoid warnings.
+       * calls.c (initialize_argument_information): Initialize base to avoid
+       warnings.
+
+       PR middle-end/51644
+       PR middle-end/51647
+       * tree-eh.c (decide_copy_try_finally): At -O0, return true
+       even when ndests is not 1, if there are only gimple_clobber_p
+       (or debug) stmts in the finally sequence.
+       * tree-inline.c (estimate_num_insns): Return 0 for gimple_clobber_p
+       stmts.
+
+2011-12-21  Aldy Hernandez  <aldyh@redhat.com>
+
+       PR middle-end/51472
+       * trans-mem.c (tm_log_add): Use create_tmp_var_reg.
+
+2011-12-21  Martin Jambor  <mjambor@suse.cz>
+
+       * tree-into-ssa.c (rewrite_update_stmt): Do not dump extra newlines.
+       (rewrite_update_enter_block): Likewise.
+       (dump_update_ssa): Likewise.
+       (update_ssa): Likewise but also dump a newline at the beginning.
+
+2011-12-21  Enkovich Ilya  <ilya.enkovich@intel.com>
+
+       PR target/50038
+       * implicit-zee.c: Delete.
+       * ree.c: New file.
+       * Makefile.in: Replace implicit-zee.c with ree.c.
+       * config/i386/i386.c (ix86_option_override_internal): Rename
+       flag_zee to flag_ree.
+       * common.opt (fzee): Ignored.
+       (free): New.
+       * passes.c (init_optimization_passes): Replace pass_implicit_zee
+       with pass_ree.
+       * tree-pass.h (pass_implicit_zee): Delete.
+       (pass_ree): New.
+       * timevar.def (TV_ZEE): Delete.
+       (TV_REE): New.
+       * doc/invoke.texi: Add -free description.
+
+2011-12-21  Tristan Gingold  <gingold@adacore.com>
+
+       * config/vms/vms-protos.h (vms_function_section): New prototype.
+       * config/vms/vms.c (vms_function_section): New function.
+       * config/vms/vms.h (TARGET_ASM_FUNCTION_SECTION): Define.
+
+2011-12-21  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/41159
+       * tree-outof-ssa.c (insert_value_copy_on_edge): Use the
+       mode of the pseudo as destination mode.  Only assert that
+       is equal to the promoted mode of the decl if it is a REG.
+
+2011-12-21  Tristan Gingold  <gingold@adacore.com>
+
+       * config/vms/xm-vms.h (STANDARD_EXEC_PREFIX): Remove define.
+
+2011-12-20  Richard Henderson  <rth@redhat.com>
+
+       * config/ia64/ia64.c (MAX_VECT_LEN): New.
+       (struct expand_vec_perm_d): New.
+       (TARGET_VECTORIZE_VEC_PERM_CONST_OK): New.
+       (ia64_unpack_assemble): Use ia64_expand_vec_perm_const_1.
+       (expand_vselect, expand_vselect_vconcat): New.
+       (expand_vec_perm_identity, expand_vec_perm_shrp): New.
+       (expand_vec_perm_1, expand_vec_perm_broadcast): New.
+       (expand_vec_perm_interleave_2, expand_vec_perm_v4hi_5): New.
+       (ia64_expand_vec_perm_const_1, ia64_expand_vec_perm_const): New.
+       (ia64_vectorize_vec_perm_const_ok): New.
+       (ia64_expand_vec_setv2sf, ia64_expand_vec_perm_even_odd): New.
+       * config/ia64/ia64-protos.h: Update.
+       * config/ia64/vect.md (VEC): New mode iterator.
+       (vecint): New mode attribute.
+       (vec_interleave_lowv8qi, vec_interleave_highv8qi): Privatize with '*'.
+       (vec_interleave_lowv4hi, vec_interleave_highv4hi): Likewise.
+       (vec_interleave_lowv2si, vec_interleave_highv2si): Likewise.
+       (vec_interleave_lowv2sf, vec_interleave_highv2sf): Likewise.
+       (mix1_even, mix1_odd, mux1_alt): Likewise.
+       (mux1_brcst_qi): Remove '*' from name.
+       (vec_extract_evenv8qi, vec_extract_oddv8qi): Remove.
+       (vec_extract_evenv4hi, vec_extract_oddv4hi): Remove.
+       (vec_extract_evenv2si, vec_extract_oddv2si): Remove.
+       (vec_extract_evenv2sf, vec_extract_oddv2sf): Remove.
+       (vec_extract_evenodd_helper): Remove.
+       (vec_setv2sf): Use ia64_expand_vec_setv2sf.
+       (vec_pack_trunc_v4hi): Use ia64_expand_vec_perm_even_odd.
+       (vec_pack_trunc_v2si): Likewise.
+       (vec_perm_const<VEC>): New.
+
+2011-12-20  Richard Henderson  <rth@redhat.com>
+
+       * tree-vect-generic.c (expand_vector_operations_1): Correct tests
+       for vector types -- use the type not the mode.  Fix optab selection
+       for vector shifts by a scalar.  Handle over-large integer modes
+       like BLKmode.
+
+2011-12-20  Richard Henderson  <rth@redhat.com>
+
+       * config/arm/arm.md (*arm_xorsi3): Match iorsi3 and perform
+       post-reload splitting.
+
+       * config/arm/arm.md (*arm_cmpdi_unsigned): Enable for thumb2.
+       * config/arm/arm.c (arm_select_cc_mode): Use it.
+
+2011-12-20  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       * tree-ssa-math-opts.c (convert_plusminus_to_widen): Restrict
+       handling of signedness differences to integer types.  Only build
+       a new optype if type1 isn't correct.
+
+2011-12-20  Vladimir Makarov  <vmakarov@redhat.com>
+
+       PR target/49865
+       * ira-costs.c (find_costs_and_classes): Prefer registers even
+       if the memory cost is the same.
+
+2011-12-20  Joseph Myers  <joseph@codesourcery.com>
+
+       * c-decl.c (diagnose_mismatched_decls, grokdeclarator, grokfield)
+       (finish_struct): Refer to C11 in comments.  Use flag_isoc11.
+       * c-parser.c (c_parser_static_assert_declaration)
+       (c_parser_static_assert_declaration_no_semi, c_parser_declspecs)
+       (c_parser_alignas_specifier, c_parser_alignof_expression): Refer
+       to C11 in comments.  Use flag_isoc11.
+       * c-typeck.c (comptypes_check_different_types): Refer to C11 in
+       comment.
+       * doc/cpp.texi (Overview): Refer to -std=c11 instead of -std=c1x.
+       * doc/cppopts.texi (-std=c11, -std=gnu11): Document in preference
+       to -std=c1x and -std=gnu1x.
+       * doc/extend.texi (Inline, Alternate Keywords, Other Builtins)
+       (__builtin_complex, Unnamed Fields): Refer to -std=c11 and C11
+       instead of -std=c1x and C1X.
+       * doc/invoke.texi (-std=c11, -std=iso9899:2011): Document in
+       preference to -std=c1x.
+       (-std=gnu11): Document in preference to -std=gnu1x.
+       * doc/standards.texi: Document C11 instead of C1X.  Document C11
+       as actual standard.  Document headers required from freestanding
+       C11 implementations.
+       * ginclude/float.h, ginclude/stddef.h: Test __STDC_VERSION__ >=
+       201112L for C11.  Update comments to refer to C11.
+
+2011-12-20  Andreas Schwab  <schwab@linux-m68k.org>
+
+       * configure: Regenerate.
+
+2011-12-20  Bernd Schmidt  <bernds@codesourcery.com>
+
+       PR middle-end/51200
+       * expr.c (store_field): Avoid a direct store if the mode is larger
+       than the size of the bit field.
+       * stor-layout.c (layout_decl): If flag_strict_volatile_bitfields,
+       treat non-volatile bit fields like volatile ones.
+       * toplev.c (process_options): Disallow combination of
+       -fstrict-volatile-bitfields and ABI versions less than 2.
+       * config/arm/arm.c (arm_option_override): Don't enable
+       flag_strict_volatile_bitfields if the ABI version is less than 2.
+       * config/h8300/h8300.c (h8300_option_override): Likewise.
+       * config/rx/rx.c (rx_option_override): Likewise.
+       * config/m32c/m32c.c (m32c_option_override): Likewise.
+       * config/sh/sh.c (sh_option_override): Likewise.
+
+2011-12-20  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/46796
+       * dwarf2out.c (modified_type_die): When the type variant
+       chain is corrupt use the types name, if available, instead
+       of __unknown__.
+
+2011-12-20  Tristan Gingold  <gingold@adacore.com>
+
+       * config/alpha/alpha.c (alpha_start_function): Adjust condition to
+       create VMS trampoline entry point.
+
+2011-12-19  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       PR rtl-optimization/42839
+       * fwprop.c (forward_propagate_subreg): Skip the SIGN/ZERO_EXTEND
+       optimization if the source register is already extended.
+
+2011-12-19  Richard Sandiford  <rdsandiford@googlemail.com>
+
+       * lower-subreg.c (can_decompose_p): Check every word of a hard
+       register.
+
+2011-12-19  Sandra Loosemore  <sandra@codesourcery.com>
+           Tom de Vries <tom@codesourcery.com>
+
+       PR rtl-opt/50380
+       * cse.c (find_comparison_args): Detect fixed point and
+       bail early.
+
+2011-12-19  Aldy Hernandez  <aldyh@redhat.com>
+
+       PR middle-end/51411
+       * trans-mem.c (ipa_tm_create_version): Unset DECL_WEAK.
+
+2011-12-19  Quentin Neill  <quentin.neill@amd.com>
+
+       PR target/48743
+       * config/i386/driver-i386.c (host_detect_local_cpu): Also check
+       family to distinguish PROCESSOR_ATHLON.
+
+2011-12-19  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/51573
+       * streamer-hooks.h (struct streamer_hooks): Add second
+       ref_p parameter to write_tree.
+       (stream_write_tree): Adjust.
+       (stream_write_tree_shallow_non_ref): New define.
+       * lto-streamer.h (lto_output_tree): Adjust.
+       * lto-streamer-out.c (lto_output_tree): Likewise.
+       * tree-streamer-out.c (streamer_write_chain): Only
+       force the immediate tree to be streamed as non-reference.
+
+2011-12-19  Martin Jambor  <mjambor@suse.cz>
+
+       PR tree-optimization/51583
+       * tree-sra.c (load_assign_lhs_subreplacements): Call
+       force_gimple_operand_gsi when necessary also in case of no
+       corresponding replacement on the RHS.
+
+2011-12-19  Jakub Jelinek  <jakub@redhat.com>
+
+       * gimple.h (gimplify_seq_add_stmt): Rename to...
+       (gimple_seq_add_stmt_without_update): ... this.
+       * gimplify.c (gimplify_seq_add_stmt): Rename to...
+       (gimple_seq_add_stmt_without_update): ... this.
+       (gimplify_seq_add_stmt): New inline wrapper for it.
+       * tree-vect-patterns.c (append_pattern_def_seq): Use
+       gimple_seq_add_stmt_without_update instead of gimplify_seq_add_stmt.
+
+       PR tree-optimization/51596
+       * tree-cfg.c (replace_uses_by): Call gimple_purge_dead_eh_edges
+       when needed.
+
+       PR middle-end/51590
+       PR tree-optimization/51606
+       * tree-vect-patterns.c (append_pattern_def_seq, new_pattern_def_seq):
+       New inline functions.
+       (vect_recog_over_widening_pattern,
+       vect_recog_vector_vector_shift_pattern,
+       vect_recog_sdivmod_pow2_pattern, vect_recog_mixed_size_cond_pattern,
+       adjust_bool_pattern_cast, vect_recog_bool_pattern): Use them.
+
+2011-12-19  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/51572
+       * tree.c (free_lang_data_in_type): Do not unlink TYPE_DECL
+       from TYPE_FIELDS.
+       (find_decls_types_r): Walk TYPE_DECLs in TYPE_FIELDS.
+       * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Do
+       not stream TREE_CHAIN.
+       (write_ts_type_non_common_tree_pointers): Stream TYPE_FIELDS
+       using streamer_write_chain.
+       * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
+       Do not stream TREE_CHAIN.
+       (lto_input_ts_type_non_common_tree_pointers): Stream TYPE_FIELDS
+       using streamer_read_chain.
+       * gimple-streamer-in.c (input_gimple_stmt): Skip non-FIELD_DECLs.
+       * gimple.c (gimple_canonical_types_compatible_p): Properly
+       handle trailing non-FIELD_DECLs in TYPE_FIELDS.
+
+2011-12-19  Andreas Schwab  <schwab@linux-m68k.org>
+
+       * configure: Regenerate.
+
+2011-12-19  Bernd Schmidt  <bernds@codesourcery.com>
+
+       * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx[3] for
+       partial integer modes.
+
+2011-12-19  Andreas Schwab  <schwab@linux-m68k.org>
+
+       PR target/51532
+       * config/m68k/m68k.h (FL_CAS, TARGET_CAS): Define.
+       * config/m68k/m68k.c (FL_FOR_isa_20): Add FL_CAS.
+       * config/m68k/sync.md: Use TARGET_CAS instead of (TARGET_68020 ||
+       TARGET_68040).
+
+2011-12-18  Anatoly Sokolov  <aesok@post.ru>
+
+       * config/ia64/ia64.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
+       LEGITIMATE_ADDRESS_REG, LEGITIMATE_ADDRESS_DISP,
+       GO_IF_LEGITIMATE_ADDRESS): Remove macros.
+       * config/ia64/ia64.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
+       (ia64_reg_ok_for_base_p, ia64_legitimate_address_reg,
+       ia64_legitimate_address_disp, ia64_legitimate_address_p): New
+       functions.
+
+2011-12-17  Tom de Vries  <tom@codesourcery.com>
+
+       PR tree-optimization/51491
+       * tree-ssa-ccp.c (insert_clobber_before_stack_restore)
+       (gsi_prev_dom_bb_nondebug, insert_clobbers_for_var): New function.
+       (ccp_fold_stmt): Use insert_clobbers_for_var after a successful
+       fold_builtin_alloca_with_align.
+       (ccp_visit_stmt): Calculate and free dominator info.
+
+2011-12-16  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * config/sparc/sparc.md (UNSPEC_FRAME_BLOCKAGE): New constant.
+       (frame_blockage): New expander.
+       (frame_blockage<P:mode>): New instruction.
+       * config/sparc/sparc.c (sparc_expand_prologue): When the sequence of
+       instructions establishing the frame isn't atomic, emit frame blockage.
+
+2011-12-16  Tristan Gingold  <gingold@adacore.com>
+
+       * config/alpha/vms.h (USE_TM_CLONE_REGISTRY): Define.
+
+2011-12-16  Tristan Gingold  <gingold@adacore.com>
+
+       * config/alpha/alpha.c (alpha_use_linkage): Follow transparent alias.
+       (alpha_write_one_linkage): Use assemble_name to emit linkage name.
+
+2011-12-16  Tristan Gingold  <gingold@adacore.com>
+
+       * config/vms/t-vms (vms.o, vms-c.o): Force output filename.
+
+2011-12-16  Tristan Gingold  <gingold@adacore.com>
+
+       * config/vms/vms.c (VMS_CRTL_GLOBAL): Define.
+       (vms_patch_builtins): Handle.
+       * config/vms/vms-crtlmap.map: Add an entry for environ.
+
+2011-12-16  Jakub Jelinek  <jakub@redhat.com>
+
+       PR debug/51557
+       * sel-sched-ir.c (create_copy_of_insn_rtx): Copy all notes
+       other than REG_EQUAL, REG_EQUIV and REG_LABEL_OPERAND.
+
+       PR tree-optimization/51576
+       * tree-cfg.c (replace_uses_by): Call maybe_clean_or_replace_eh_stmt
+       even if fold_stmt didn't change anything.
+
+2011-12-16  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/51572
+       * dwarf2out.c (gen_type_die_with_usage): Use the context of
+       the TYPE_DECL as well if it is file-scope.
+
+2011-12-15  DJ Delorie  <dj@redhat.com>
+
+       * config/rl78/rl78.md (return): Rename to rl78_return.
+       * config/rl78/rl78.c (rl78_expand_epilogue): Use new name.
+       (rl78_expand_eh_epilogue): Use new name.
+       (rl78_calculate_death_notes): Likewise.
+
+2011-12-15  Jakub Jelinek  <jakub@redhat.com>
+
+       * tree-vectorizer.h (struct _stmt_vec_info): Remove pattern_def_stmt
+       field, add pattern_def_seq.
+       (STMT_VINFO_PATTERN_DEF_STMT): Remove.
+       (STMT_VINFO_PATTERN_DEF_SEQ): Define.
+       (NUM_PATTERNS): Bump to 10.
+       * tree-vect-loop.c (vect_determine_vectorization_factor,
+       vect_transform_loop): Adjust for pattern def changing from a single
+       gimple stmt to gimple_seq.
+       * tree-vect-stmts.c (vect_analyze_stmt, new_stmt_vec_info,
+       free_stmt_vec_info): Likewise.
+       * tree-vect-patterns.c (vect_recog_over_widening_pattern,
+       vect_recog_vector_vector_shift_pattern,
+       vect_recog_mixed_size_cond_pattern, adjust_bool_pattern_cast,
+       adjust_bool_pattern, vect_mark_pattern_stmts): Likewise.
+       (vect_recog_sdivmod_pow2_pattern): New function.
+       (vect_vect_recog_func_ptrs): Add it.
+
+       * config/i386/sse.md (vcond<V_256:mode><VI_256:mode>,
+       vcond<V_128:mode><VI124_128:mode>, vcond<VI8F_128:mode>v2di):
+       Use general_operand instead of nonimmediate_operand for
+       operand 5 and no predicate for operands 1 and 2.
+       * config/i386/i386.c (ix86_expand_int_vcond): Optimize
+       x < 0 ? -1 : 0 and x < 0 ? 1 : 0 into vector arithmetic
+       resp. logical shift.
+
+2011-12-15  Georg-Johann Lay  <avr@gjlay.de>
+
+       * config/avr/avr-protos.h (print_operand): Remove.
+       (print_operand_address): Remove.
+       * config/avr/avr.h (PRINT_OPERAND): Remove.
+       (PRINT_OPERAND_ADDRESS): Remove.
+       (PRINT_OPERAND_PUNCT_VALID_P): Remove.
+       * config/avr/avr.c (TARGET_PRINT_OPERAND): New hook define.
+       (TARGET_PRINT_OPERAND_ADDRESS): New hook define.
+       (TARGET_PRINT_OPERAND_PUNCT_VALID_P): New hook define.
+       (print_operand_address): Rename to...
+       (avr_print_operand_address): ...this and make static.
+       (print_operand): Rename to...
+       (avr_print_operand): ...this and make static.
+       (avr_print_operand_punct_valid_p): New static function.
+
+2011-12-15  Andreas Tobler  <andreast@fgznet.ch>
+
+       * config/i386/freebsd.h (TARGET_ASM_FILE_END): Define.
+
+2011-12-15  Jakub Jelinek  <jakub@redhat.com>
+
+       PR c/51360
+       * c-parser.c (c_parser_omp_clause_num_threads,
+       c_parser_omp_clause_schedule): Call mark_exp_read.
+
+2011-12-15  Romain Geissler  <romain.geissler@gmail.com>
+
+       * builtins.def (BUILT_IN_STPNCPY_CHK): New definition.
+       * builtins.c (expand_builtin, fold_builtin_4, maybe_emit_chk_warning):
+       Add BUILT_IN_STPNCPY_CHK case.
+       * gimple-fold.c (gimple_fold_builtin): Likewise.
+       * tree-object-size.c (pass_through_call): Likewise.
+       * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
+       call_may_clobber_ref_p_1): Likewise.
+       * tree-ssa-structalias.c (find_func_aliases_for_builtin_call,
+       find_func_clobbers): Likewise.
+       * tree.h (fold_builtin_strncpy_chk): Rename to fold_builtin_stxncpy_chk
+       * builtins.c (fold_builtin_strncpy_chk): Likewise.
+       Rewrite stpncpy_chk calls to strncpy_chk calls if returned value is
+       ignored.
+
+2011-12-15  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/51567
+       * gimple.c (compare_type_names_p): Also compare the TREE_CODE.
+       (iterative_hash_name): Also hash the TREE_CODE.
+       (gimple_types_compatible_p_1): For types with a TYPE_DECL
+       name and a type DECL_CONTEXT recurse to that type.
+       (iterative_hash_gimple_type): Likewise.
+
+2011-12-15  Iain Sandoe  <iains@gcc.gnu.org>
+
+       * config/rs6000/rs6000.c  (rs6000_emit_prologue): Move update of
+       VRSave mask to save_world() when that is in use.
+
+2011-12-15  Richard Guenther  <rguenther@suse.de>
+
+       * lto-wrapper.c (run_gcc): In non-parallel mode remove
+       ltrans inputs immediately after processing them.  In parallel
+       mode truncate the ltrans inputs in the make rule that processes
+       them if temporary files are not to be preserved.
+
+2011-12-15  Anatoly Sokolov  <aesok@post.ru>
+
+       * config/arm/arm.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
+       * config/arm/arm.c (arm_memory_move_cost, arm_register_move_cost):
+       New functions.
+       (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
+
+2011-12-15  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/51564
+       * tree.h (REGISTER_DEFS_IN_THIS_STMT, NECESSARY,
+       STMT_IN_SSA_EDGE_WORKLIST): Remove no longer existing flag
+       uses documentation.
+       (TREE_ASM_WRITTEN): Update documentation to mention its use
+       on TYPE_DECLs from debug info generation.
+       * tree-streamer-out.c (pack_ts_base_value_fields): Stream
+       TREE_ASM_WRITTEN as always zero for TYPE_DECLs, similar to
+       all other types.
+
+2011-12-15  Georg-Johann Lay  <avr@gjlay.de>
+
+       PR target/51050
+       * config/avr/avr.c (expand_epilogue): Don't build SUBREG of fp.
+       (avr_prologue_setup_frame): Ditto.
+
+2011-12-15  Jakub Jelinek  <jakub@redhat.com>
+
+       PR debug/51517
+       * tree-ssa-coalesce.c (coalesce_ssa_name): For !optimize, test
+       !DECL_IGNORED_P instead of !DECL_ARTIFICIAL.
+
+2012-12-15  Richard Guenther  <rguenther@suse.de>
+
+       Revert
+       PR lto/48437
+       * lto-streamer-out.c (tree_is_indexable): Exclude block-local
+       extern declarations.
+
+       PR lto/48508
+       PR lto/48437
+       * tree-streamer-out.c (streamer_write_chain): Stream DECL_EXTERNAL
+       VAR_DECLs and FUNCTION_DECLs locally.
+
+2011-12-14  Richard Henderson  <rth@redhat.com>
+
+       * config/arm/arm.md (*addsi3_compare0_scratch): Set predicable.
+       (*compare_negsi_si, *compare_addsi2_op0): Likewise.
+       (*compare_addsi2_op1, *zeroextractsi_compare0_scratch): Likewise.
+       (*compareqi_eq0, *arm_cmpsi_insn, *arm_cmpsi_negshiftsi_si): Likewise.
+
 2011-12-14  Richard Guenther  <rguenther@suse.de>
 
        * tree-cfg.c (replace_uses_by): Fixup TREE_CONSTANT for
        * tree.c (free_lang_data_in_type): Do not clear fields
        dependent on debuginfo level setting.
        (find_decls_types_r): Use TYPE_STUB_DECL rathern than TREE_CHAIN.
-       * tree.h (TYPE_STUB_DECL): Properly check that we access
-       a type.
+       * tree.h (TYPE_STUB_DECL): Properly check that we access a type.
 
 2011-12-14  Georg-Johann Lay  <avr@gjlay.de>
 
 
 2011-12-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 
-       * regmove.c (fixup_match_2): Only access call_used_regs with hard
-       regs.
+       * regmove.c (fixup_match_2): Only access call_used_regs with hard regs.
 
 2011-12-13  Andrew Pinski  <apinski@cavium.com>
-            Adam Nemet  <anemet@caviumnetworks.com>
+           Adam Nemet  <anemet@caviumnetworks.com>
 
        * config/mips/mips-cpus.def: Add Octeon2.
        * config/mips/mips-tables.opt: Regenerate.
 
 2011-12-11  Patrick Marlier  <patrick.marlier@gmail.com>
 
-       * trans-mem.c (ipa_tm_transform_calls_redirect): Do not remove
-       edge.
+       * trans-mem.c (ipa_tm_transform_calls_redirect): Do not remove edge.
 
 2011-12-10  Richard Henderson  <rth@redhat.com>
 
        clobber, but all consecutive clobbers before RESX.
        Use gimple_clobber_p predicate.
 
-2011-12-09  Michael Meissner  <meissner@the-meissners.org>
+2011-12-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
 
        * config/rs6000/rs6000.c (altivec_expand_builtin): Call
        expand_call to return a valid funciton instead of return
 
        * ira-color.c (print_hard_regs_subforest): Use
        HOST_WIDEST_INT_PRINT_DEC instead of %lld.
-       (allocno_hard_regs): Change type of cost member
-       to HOST_WIDEST_INT.
+       (allocno_hard_regs): Change type of cost member to HOST_WIDEST_INT.
        (add_allocno_hard_regs): Change type of argument cost
        to HOST_WIDEST_INT.
        * ira-conflict.c (build_conflict_bit_table): Replace use
 
        PR tree-optimization/51482
        * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
-       Make sure to only create REAL_TYPE and INTEGER_TYPE component
-       vectors.
+       Make sure to only create REAL_TYPE and INTEGER_TYPE component vectors.
 
 2011-12-09  Kai Tietz  <ktietz@redhat.com>
 
 2011-12-08  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/49772
-       * tree-inline.c (optimize_inline_calls): Remove bail out
-       on errors.
+       * tree-inline.c (optimize_inline_calls): Remove bail out on errors.
 
 2011-12-08  Richard Guenther  <rguenther@suse.de>
 
        * config/avr/avr.c (avr_addrspace): New variable.
        (avr_out_lpm, avr_pgm_check_var_decl, avr_insert_attributes,
        avr_asm_named_section, avr_section_type_flags,
-       avr_asm_select_section, avr_addr_space_address_mode, 
+       avr_asm_select_section, avr_addr_space_address_mode,
        avr_addr_space_convert, avr_emit_movmemhi): Use it.
        (avr_addr_space_pointer_mode): Forward to avr_addr_space_address_mode.
        (avr_pgm_segment): Remove.
 2011-12-06  Richard Guenther  <rguenther@suse.de>
 
        PR middle-end/51436
-       * gimple-fold.c (gimplify_and_update_call_from_tree): Guard
-       vdef check for the fact we do not have virtual operands when
-       not optimizing.
+       * gimple-fold.c (gimplify_and_update_call_from_tree): Guard vdef check
+       for the fact we do not have virtual operands when not optimizing.
 
 2011-12-06  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/51245
        * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
        New function.
-       (vn_reference_lookup_3): Use it.  Properly valueize all refs
-       we create.
+       (vn_reference_lookup_3): Use it.  Properly valueize all refs we create.
 
 2011-12-06  Iain Sandoe  <iains@gcc.gnu.org>
 
        (struct allocno_color_data): Add new member last_process.  Move
        profitable_hard_regs, hard_regs_node, and hard_regs_subnodes_start
        from object_color_data.
-       (object_color_data_t, object_color_data, OBJECT_COLOR_DATA):
-       Remove.
+       (object_color_data_t, object_color_data, OBJECT_COLOR_DATA): Remove.
        (curr_allocno_process): New static variable.
        (object_hard_regs_eq, object_hard_regs_htab): Rename to
        allocno_hard_regs_eq and allocno_hard_regs_htab.
        (add_new_object_hard_regs_node_to_forest): Rename to
        add_new_allocno_hard_regs_node_to_forest.
        (add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
-       Rename to add_allocno_hard_regs_to_forest and collect_allocno_hard_regs_cover.
-       (setup_object_hard_regs_nodes_parent): Rename to setup_allocno_hard_regs_nodes_parent.
-       (remove_unused_object_hard_regs_nodes): Rename to remove_unused_allocno_hard_regs_nodes.
+       Rename to add_allocno_hard_regs_to_forest and
+       collect_allocno_hard_regs_cover.
+       (setup_object_hard_regs_nodes_parent): Rename to
+       setup_allocno_hard_regs_nodes_parent.
+       (remove_unused_object_hard_regs_nodes): Rename to
+       remove_unused_allocno_hard_regs_nodes.
        (enumerate_object_hard_regs_nodes, object_hard_regs_nodes_num):
-       Rename to enumerate_allocno_hard_regs_nodes and allocno_hard_regs_nodes_num.
+       Rename to enumerate_allocno_hard_regs_nodes and
+       allocno_hard_regs_nodes_num.
        (object_hard_regs_nodes, object_hard_regs_subnode_t): Rename to
        allocno_hard_regs_nodes and allocno_hard_regs_subnode_t.
        (object_hard_regs_subnode, object_hard_regs_subnodes): Rename to
        allocno_hard_regs_subnode and allocno_hard_regs_subnodes.
-       (object_hard_regs_subnode_index): Rename to allocno_hard_regs_subnode_index.
+       (object_hard_regs_subnode_index): Rename to
+       allocno_hard_regs_subnode_index.
        (setup_object_hard_regs_subnode_index): Rename to
        setup_allocno_hard_regs_subnode_index.
-       (get_object_hard_regs_subnodes_num): Rename to get_allocno_hard_regs_subnodes_num.
-       (form_object_hard_regs_nodes_forest): Rename to form_allocno_hard_regs_nodes_forest.
-       (finish_object_hard_regs_nodes_tree): Rename to form_allocno_hard_regs_nodes_forest
+       (get_object_hard_regs_subnodes_num): Rename to
+       get_allocno_hard_regs_subnodes_num.
+       (form_object_hard_regs_nodes_forest): Rename to
+       form_allocno_hard_regs_nodes_forest.
+       (finish_object_hard_regs_nodes_tree): Rename to
+       form_allocno_hard_regs_nodes_forest
        (finish_object_hard_regs_nodes_forest): Rename to
        finish_allocno_hard_regs_nodes_forest.
-       (setup_left_conflict_sizes_p): Use allocno data instead of object
-       ones.  Process conflict allocnos once.
+       (setup_left_conflict_sizes_p): Use allocno data instead of object ones.
+       Process conflict allocnos once.
        (update_left_conflict_sizes_p): Use allocno data instead of object
        ones.  Change prototype signature.
-       (empty_profitable_hard_regs): Use allocno data instead of object
-       ones.
+       (empty_profitable_hard_regs): Use allocno data instead of object ones.
        (setup_profitable_hard_regs): Ditto.
        (get_conflict_profitable_regs): Rename to
        get_conflict_and_start_profitable_regs.  Use allocno data for
        (struct vop_to_refs_elt, vtoe_hash, vtoe_eq, vtoe_free,
        record_vop_access, get_vop_accesses, get_vop_stores,
        add_vop_ref_mapping): Remove.
-       (create_vop_ref_mapping_loop): Adjust to simply record all
-       stores.
+       (create_vop_ref_mapping_loop): Adjust to simply record all stores.
        (analyze_memory_references): Adjust.
        (refs_independent_p): Check for not analyzable refs.
        (can_sm_ref_p): Likewise.
 
 2011-12-05  Richard Guenther  <rguenther@suse.de>
 
-       * tree-ssa.c (verify_ssa): Verify SSA names in the loop
-       over all SSA names.  Remove SSA operand checking, call
-       verify_ssa_operands.
+       * tree-ssa.c (verify_ssa): Verify SSA names in the loop over all SSA
+       names.  Remove SSA operand checking, call verify_ssa_operands.
        * tree-ssa-operands.h (verify_ssa_operands): Declare.
        * tree-ssa-operands.c (verify_ssa_operands): New function.
 
        (cgraph_make_edge_direct): Likewise.
        * gimple-streamer-in.c (input_gimple_stmt): Do not
        call gimple_call_set_cannot_inline.
-       * gimple.h (enum gf_mask): Remove GF_CALL_CANNOT_INLINE, shift
-       values.
+       * gimple.h (enum gf_mask): Remove GF_CALL_CANNOT_INLINE, shift values.
        (gimple_call_set_cannot_inline): Remove.
        (gimple_call_cannot_inline_p): Likewise.
        * ipa-inline-analysis.c (initialize_inline_failed): Look
        (coverage_begin_function): ... here.
        * coverage.c (struct function_list): Rename to ...
        (struct coverage_data): ... this.  Update all uses.
-       (gcov_info_var, gcov_fn_info_type, gcov_fn_info_ptr_type): New
-       globals.
+       (gcov_info_var, gcov_fn_info_type, gcov_fn_info_ptr_type): New globals.
        (bbg_file_opened, bbg_function_announced): Remove.
        (get_coverage_counts): Adjust message.
        (coverage_begin_ouput): Rename to ...
        (process_file): Call find_exception_blocks if necessary.
        (read_graph_file): Adjust.  Note if an exceptional edge is seen.
        (find_exception_blocks): New.
-       (add_line_counts): Set line's unexceptional flag if not
-       exceptional.
+       (add_line_counts): Set line's unexceptional flag if not exceptional.
        (output_branch_count): Note exceptional arcs, lines and blocks.
        * gcov-dump.c (tag_arcs): Decode arc flags.
        * doc/gcov.texi: Document '=====' lines.
        (ia64_print_operand_punct_valid_p): New function.
        (ia64_print_operand, ia64_print_operand_address): Make static.
 
-2011-12-02  Michael Meissner  <meissner@the-meissners.org>
+2011-12-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
 
        PR target/51390
        * config/rs6000/rs6000.c (def_builtin): Use the correct field to
 
 2011-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
 
+       PR middle-end/48660
        * expr.h (copy_blkmode_to_reg): Declare.
        * expr.c (copy_blkmode_to_reg): New function.
        (expand_assignment): Don't expand register RESULT_DECLs before