re PR target/54009 (incorrect code generated for DFmode lo_sum mem)

[gcc.git] / gcc / ChangeLog

2013-02-07  Alan Modra  <amodra@gmail.com>

        PR target/54009
        * config/rs6000/rs6000.c (mem_operand_gpr): Check that LO_SUM
        addresses won't wrap when offsetting.
        (rs6000_secondary_reload): Provide secondary reloads needed for
        wrapping LO_SUM addresses.

2013-02-06  Thomas Schwinge  <thomas@codesourcery.com>

        * config/gnu.h (GNU_USER_TARGET_OS_CPP_BUILTINS): Never define
        MACH, just __MACH__.

2013-02-06  Richard Biener  <rguenther@suse.de>

        * tracer.c (tracer): Mark loops with LOOPS_NEED_FIXUP
        instead of calling fix_loop_structure.

2013-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56217
        * omp-low.c (use_pointer_for_field): Return false if
        lower_send_shared_vars doesn't generate any copy-out code.

2013-02-06  Tom de Vries  <tom@codesourcery.com>

        PR rtl-optimization/56131
        * cfgrtl.c (delete_insn): Use NOTE_BASIC_BLOCK instead of BLOCK_FOR_INSN
        to get the bb of a NOTE_INSN_BASIC_BLOCK.  Handle the case that the bb
        of the label is NULL.  Add comment.

2013-02-05  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (struct tree_decl_with_vis): Remove thread_local field.

        PR sanitizer/55374
        * config/gnu-user.h (LIBTSAN_EARLY_SPEC): Define.
        (STATIC_LIBTSAN_LIBS): Likewise.
        * gcc.c (ADD_STATIC_LIBTSAN_LIBS, LIBTSAN_EARLY_SPEC): Define.
        (LIBTSAN_SPEC): Add ADD_STATIC_LIBTSAN_LIBS, if LIBTSAN_EARLY_SPEC
        is defined, don't add anything else beyond that.
        (SANITIZER_EARLY_SPEC, SANITIZER_SPEC): Define.
        (LINK_COMMAND_SPEC): Use them.

        PR tree-optimization/56205
        * tree-stdarg.c (check_all_va_list_escapes): Return true if
        there are any PHI nodes that set non-va_list_escape_vars SSA_NAME
        and some va_list_escape_vars SSA_NAME appears in some PHI argument.

2013-02-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/53342
        PR tree-optimization/53185
        * tree-vectorizer.h (vect_check_strided_load): Remove.
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Do
        not disallow peeling for vectorized strided loads.
        (vect_check_strided_load): Make static and simplify.
        (vect_analyze_data_refs): Adjust.
        * tree-vect-stmts.c (vectorizable_load): Handle peeled loops
        correctly when vectorizing strided loads.

2013-02-05  Richard Biener  <rguenther@suse.de>

        * doc/install.texi: Refer to ISL, not PPL.

2013-02-05  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/55789
        * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): Drop to 1.

2013-02-05  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/55789
        * cgraphclones.c (cgraph_remove_node_and_inline_clones): Remove
        the dead call anyway.

2013-02-05  Eric Botcazou  <ebotcazou@adacore.com>

        PR sanitizer/55374
        * config/gnu-user.h (LIBASAN_EARLY_SPEC): Add missing guard.

2013-02-04  Alexander Potapenko  <glider@google.com>
            Jack Howarth  <howarth@bromo.med.uc.edu>
            Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/55617
        * config/darwin.c (sort_ctor_records): Stabilized qsort
        on constructor priority by using original position.
        (finalize_ctors): New routine to sort constructors by
        priority before use in assemble_integer.
        (machopic_asm_out_constructor): Use finalize_ctors if needed.

2013-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR libstdc++/54314
        * config/i386/winnt.c (i386_pe_assemble_visibility): Don't warn
        about visibility on artificial decls.
        * config/sol2.c (solaris_assemble_visibility): Likewise.

2013-02-04  Kai Tietz  <ktietz@redhat.com>

        PR target/56186
        * config/i386/i386.c (function_value_ms_64): Add additional valtype
        argument and improve checking of return-argument types for 16-byte
        modes.
        (ix86_function_value_1): Add additional valtype argument on call
        of function_value_64.
        (return_in_memory_ms_64): Sync 16-byte sized mode handling with
        handling infunction_value_64 function.

2013-02-04  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>

        * reload.c (subst_reloads): Fix DEBUG_RELOAD build issue.

2013-02-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56188
        * tree-ssa-structalias.c (label_visit): Consider case with
        initially non-empty points-to set.
        (perform_var_substitution): Dump node mapping and clean up.

2013-02-04  Richard Guenther  <rguenther@suse.de>

        PR lto/56168
        * lto-symtab.c (lto_symtab_merge_decls_1): Make non-builtin
        node prevail as last resort.
        (lto_symtab_merge_decls): Remove guard on LTRANS here.
        (lto_symtab_prevailing_decl): Builtins are their own prevailing
        decl.

2013-02-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56113
        * tree-ssa-structalias.c (equiv_class_lookup, equiv_class_add):
        Merge into ...
        (equiv_class_lookup_or_add): ... this.
        (label_visit): Adjust and fix error in previous patch.
        (perform_var_substitution): Adjust.

2013-02-03  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/divtab.c: Fix formatting and comments throughout the file.
        * config/sh/sh4-300.md: Likewise.
        * config/sh/sh4a.md: Likewise.
        * config/sh/constraints.md: Likewise.
        * config/sh/sh.md: Likewise.
        * config/sh/netbsd-elf.h: Likewise.
        * config/sh/predicates.md: Likewise.
        * config/sh/sh-protos.h: Likewise.
        * config/sh/ushmedia.h: Likewise.
        * config/sh/linux.h: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/superh.h: Likewise.
        * config/sh/elf.h: Likewise.
        * config/sh/sh4.md: Likewise.
        * config/sh/sh.h: Likewise.

2013-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/constraints.md: Adjust unused letters.  Change "T"
        constraint to match_test floating_point_store_memory_operand().
        * config/pa/predicates.md (reg_plus_base_memory_operand): New.
        (base14_operand): New.
        (floating_point_store_memory_operand): New.
        (integer_store_memory_operand): Revise to use base14_operand and
        reg_plus_base_memory_operand.
        (move_dest_operand): Allow symbolic_memory_operands.
        (symbolic_memory_operand): Check for LO_SOM.
        (symbolic_operand): Change default case to break.
        * config/pa/pa.md: Remove unamed DFmode and SFmode patterns to force
        CONST_DOUBLE values to be reloaded by putting them into memory when
        the destination is a floating point register.
        (movdf): Remove code to handle CONST_DOUBLE.
        (movsf): Likewise.
        (reload_indf_r1): New.
        (reload_insf_r1): New.
        Consistently use "Q" and "T" constraints with integer and floating
        point move instructions, respectively.
        (movdi): Remove FAIL.
        Change predicate for source operand unamed DImode move from
        general_operand to move_src_operand.
        (umulsidi3): Change predicate for destination operand to
        register_operand.
        Likewise for similar unamed patterns.
        * config/pa/pa-protos.h (pa_legitimize_reload_address): Declare.
        * config/pa/pa.c (pa_symbolic_expression_p): Remove extra parenthesis.
        (hppa_legitimize_address): Simplify mask calculation.
        (pa_emit_move_sequence): Revised handling of secondary reloads from
        REG+D addresses for floating point loads and stores.  Directly handle
        loading CONST0_RTX (mode) to a floating point register.
        (pa_secondary_reload): Handle reloading DF and SFmode constant values
        to floating point registers.  Don't restrict secondary reloads to
        floating point registers to integer modes.  Revise some comments and
        cleanup some code.
        (TARGET_LEGITIMATE_ADDRESS_P): Define.
        (pa_legitimate_address_p): New.
        (pa_legitimize_reload_address): New.
        * config/pa/pa.h (STRICT_REG_OK_FOR_INDEX_P): New.
        (STRICT_REG_OK_FOR_BASE_P): New.
        (GO_IF_LEGITIMATE_ADDRESS): Delete.  Update some related comments.
        (LEGITIMIZE_RELOAD_ADDRESS): Revise to use pa_legitimize_reload_address.

2013-02-03  David Edelsohn  <dje.gcc@gmail.com>
            Andrew Dixie  <andrewd@gentrack.com>

        * collect2.c (GCC_CHECK_HDR): Do not scan objects with F_LOADONLY
        flag set.

2013-02-03  Richard Sandiford  <rdsandiford@googlemail.com>

        * expmed.c (extract_bit_field_1): Pass the full width of the
        structure to get_best_reg_extraction_insn.

2013-02-01  David Edelsohn  <dje.gcc@gmail.com>

        PR target/54601
        * configure.ac (use_cxa_atexit): Add AIX.
        * configure: Regenerate.

        * config/rs6000/aix61.h (STARTFILE_SPEC): Add crtcxa.o.

2013-02-01  Jakub Jelinek  <jakub@redhat.com>

        PR debug/54793
        * final.c (need_profile_function): New variable.
        (final_start_function): Drop ATTRIBUTE_UNUSED from first argument.
        If first of NOTE_INSN_BASIC_BLOCK or NOTE_INSN_FUNCTION_BEG
        is only preceeded by NOTE_INSN_VAR_LOCATION or NOTE_INSN_DELETED
        notes, targetm.asm_out.function_prologue doesn't emit anything,
        HAVE_prologue and profiler should be emitted before prologue,
        set need_profile_function instead of emitting it.
        (final_scan_insn): If need_profile_function, emit
        profile_function on the first NOTE_INSN_BASIC_BLOCK or
        NOTE_INSN_FUNCTION_BEG note.

2013-02-01  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.md (smulditi3): New.
        (umulditi3): New.

        * config/alpha/alpha.md (umulditi3): New.

2013-02-01  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/xcoff.h (ASM_OUTPUT_ALIGNED_COMMON): Use floor_log2.
        (ASM_OUTPUT_ALIGNED_LOCAL): New.

2013-02-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56113
        * tree-ssa-structalias.c (label_visit): Reduce work for
        single-predecessor nodes.

2013-02-01  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (make_range_step) <TRUTH_NOT_EXPR>: Bail out if the
        range isn't testing for zero.

2013-01-31  Steven Bosscher  <steven@gcc.gnu.org>

        PR middle-end/56113
        * fwprop.c (fwprop_init): Set up loops without CFG modifications.

2013-01-31  Hiroyuki Ono  <hiroyuki.ono.jc@renesas.com>
            Nick Clifton  <nickc@redhat.com>

        * config/v850/constraints.md (Q): Define as a memory constraint.
        * config/v850/predicates.md (label_ref_operand): New predicate.
        (e3v5_shift_operand): New predicate.
        (ior_operator): New predicate.
        * config/v850/t-v850: Add e3v5 multilib.
        * config/v850/v850-protos.h (v850_adjust_insn_length): Prototype.
        (v850_gen_movdi): Prototype.
        * config/v850/v850.c: Add support for e3v5 architecture.
        Rename all uses of TARGET_V850E || TARGET_V850E2_ALL to
        TARGET_V850E_UP.
        (construct_save_jarl): Add e3v5 long JARL support.
        (v850_adjust_insn_length): New function.  Adjust length of call
        insns when using e3v5 instructions.
        (v850_gen_movdi): New function: Generate instructions to move a
        DImode value.
        * config/v850/v850.h (TARGET_CPU_v850e3v5): Define.
        (CPP_SPEC): Define __v850e3v5__ as appropriate.
        (TARGET_USE_FPU): Enable for e3v5.
        (CONST_OK_FOR_W): New macro.
        (ADJUST_INSN_LENGTH): Define.
        * config/v850/v850.md (UNSPEC_LOOP): Define.
        (attr cpu): Add v850e3v5.
        Rename all uses of TARGET_V850E2 to TARGET_V850E2V3_UP.
        (movdi): New pattern.
        (movdi_internal): New pattern.
        (cbranchsf4): Conditionalize on TARGET_USE_FPU.
        (cbranchdf4): Conditionalize on TARGET_USE_FPU.
        (cstoresf4): Likewise.
        (cstoredf4): Likewise.
        (insv): New pattern.
        (rotlso3_a): New pattern.
        (rotlsi3_b): New pattern
        (rotlsi3_v850e3v5): New pattern.
        (doloop_begin): New pattern.
        (fix_loop_counter): New pattern.
        (doloop_end): New pattern.
        (branch_normal): Add e3v5 long branch support.
        (branch_invert): Likewise.
        (branch_z_normal): Likewise.
        (branch_z_invert): Likewise.
        (branch_nz_normal): Likewise.
        (branch_nz_invert): Likewise.
        (call_internal_short): Add e3v5 register-indirect JARL support.
        (call_internal_long): Likewise.
        (call_value_internal_short): Likewise.
        (call_value_internal_long): Likewise.
        * config/v850/v850.opt (mv850e3v5, mv850e2v4): New options.
        (mloop): New option.
        * config.gcc: Add support for configuring v840e3v5 target.
        * doc/invoke.texi: Document new v850 specific command line
        options.

2013-01-31  Paul Koning  <ni1d@arrl.net>

        PR debug/55059
        PR debug/54508
        * dwarf2out.c (prune_unused_types_mark): Mark all of parent's
        children if parent is a class.
        (prune_unused_types_prune): Don't add DW_AT_declaration.

2013-01-31  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56157
        * tree-vect-slp.c (vect_get_slp_defs): More thoroughly try to
        match up operand with SLP child.

2013-01-31  Jason Merrill  <jason@redhat.com>

        PR debug/54410
        * dwarf2out.c (gen_struct_or_union_type_die): Always schedule template
        parameters the first time.
        (gen_scheduled_generic_parms_dies): Check completeness here.

2013-01-31  Richard Biener  <rguenther@suse.de>

        PR middle-end/53073
        * common.opt (faggressive-loop-optimizations): New flag,
        enabled by default.
        * doc/invoke.texi (faggressive-loop-optimizations): Document.
        * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Guard
        infer_loop_bounds_from_undefined by it.

2013-01-31  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56150
        * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Do not
        visit virtual operands.
        (find_uses_to_rename_bb): Likewise.

2013-01-31  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56150
        * tree-ssa-tail-merge.c (gimple_equal_p): Properly handle
        mixed store non-store stmts.

2013-01-30  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/55374
        * gcc.c (LIBASAN_SPEC): Define just to ADD_STATIC_LIBASAN_LIBS if
        LIBASAN_EARLY_SPEC is defined.
        (LIBASAN_EARLY_SPEC): Define to empty string if not already defined.
        (LINK_COMMAND_SPEC): Add LIBASAN_EARLY_SPEC for -fsanitize=address,
        before %o.
        * config/gnu-user.h (LIBASAN_EARLY_SPEC): Define.

        PR c++/55742
        * config/i386/i386.c (ix86_valid_target_attribute_inner_p): Diagnose
        invalid args instead of ICEing on it.
        (ix86_valid_target_attribute_tree): Return error_mark_node if
        ix86_valid_target_attribute_inner_p failed.
        (ix86_valid_target_attribute_p): Return false only if
        ix86_valid_target_attribute_tree returned error_mark_node.  Allow
        target("default") attribute.
        (sorted_attr_string): Change argument from const char * to tree,
        merge in all target attribute arguments rather than just one.
        Formatting fix.  Use XNEWVEC instead of xmalloc and XDELETEVEC
        instead of free.  Avoid using strcat.
        (ix86_mangle_function_version_assembler_name): Mangle
        target("default") as if no target attribute is present.  Adjust
        sorted_attr_string caller.  Avoid leaking memory.  Use XNEWVEC
        instead of xmalloc and XDELETEVEC instead of free.
        (ix86_function_versions): Don't return true if one of the decls
        doesn't have target attribute.  If they don't and one of the decls
        is DECL_FUNCTION_VERSIONED, report an error.  Adjust
        sorted_attr_string caller.  Use XDELETEVEC instead of free.
        (ix86_supports_function_versions): Remove.
        (make_name): Fix up formatting.
        (make_dispatcher_decl): Remove resolver_name and its initialization.
        Avoid leaking memory.
        (is_function_default_version): Return true if there is
        target("default") attribute rather than no target attribute at all.
        (make_resolver_func): Avoid leaking memory.
        (ix86_generate_version_dispatcher_body): Likewise.
        (TARGET_OPTION_SUPPORTS_FUNCTION_VERSIONS): Remove.
        * target.def (supports_function_versions): Remove.
        * doc/tm.texi.in (SUPPORTS_FUNCTION_VERSIONS): Remove.
        * doc/tm.texi: Regenerated.

2013-01-30  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/56144
        * lra-constraints.c (get_reload_reg): Don't reuse reload pseudo
        for values with side effects.

2013-01-30  Richard Biener  <rguenther@suse.de>

        * sparseset.h (sparseset_bit_p): Use gcc_checking_assert.
        (sparseset_pop): Likewise.
        * cfganal.c (compute_idf): Likewise.  Increase work-stack size
        to be able to use quick_push in the worker loop.

2013-01-30  Marek Polacek  <polacek@redhat.com>

        * cfgcleanup.c (cleanup_cfg): Don't mark affected BBs.

2013-01-30  Richard Biener  <rguenther@suse.de>

        PR lto/56147
        * lto-symtab.c (lto_symtab_merge_decls_1): Guard DECL_BUILT_IN
        check.

2013-01-30  Georg-Johann Lay  <avr@gjlay.de>

        PR tree-optimization/56064
        * fixed-value.c (fixed_from_double_int): New function.
        * fixed-value.h (fixed_from_double_int): New prototype.
        (const_fixed_from_double_int): New static inline function.
        * fold-const.c (native_interpret_fixed): New static function.
        (native_interpret_expr) <FIXED_POINT_TYPE>: Use it.
        (can_native_interpret_type_p) <FIXED_POINT_TYPE>: Return true.
        (native_encode_fixed): New static function.
        (native_encode_expr) <FIXED_CST>: Use it.
        (native_interpret_int): Move double_int worker code to...
        * double-int.c (double_int::from_buffer): ...this new static method.
        * double-int.h (double_int::from_buffer): Prototype it.

2013-01-30  Richard Biener  <rguenther@suse.de>

        * tree-ssa-structalias.c (final_solutions, final_solutions_obstack):
        New pointer-map and obstack.
        (init_alias_vars): Allocate pointer-map and obstack.
        (delete_points_to_sets): Free them.
        (find_what_var_points_to): Cache result.
        (find_what_p_points_to): Adjust for changed interface of
        find_what_var_points_to.
        (compute_points_to_sets): Likewise.
        (ipa_pta_execute): Likewise.

2013-01-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (HAVE_AS_SPARC_NOBITS): New test.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/sparc/sparc.c (sparc_solaris_elf_asm_named_section): Emit
        #nobits/#progbits if supported.

2013-01-29  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/56121
        * config/sh/sh.md (bclr_m2a, bset_m2a, bst_m2a, bld_m2a, bldsign_m2a,
        bld_reg, *bld_regqi, band_m2a, bandreg_m2a, bor_m2a, borreg_m2a,
        bxor_m2a, bxorreg_m2a): Add satisfies_constraint_K03 condition.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/cortex-a7.md (cortex_a7_neon, cortex_a7_all): Remove.
        (cortex_a7_idiv): Use cortex_a7_both instead of cortex_a7_all.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/arm.c (cortexa7_younger): Return true for TYPE_CALL.
        * config/arm/cortex-a7.md (cortex_a7_call): Update required units.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/arm-protos.h (arm_mac_accumulator_is_result): New
        declaration.
        * config/arm/arm.c (arm_mac_accumulator_is_result): New function.
        * config/arm/cortex-a7.md: New bypasses using
        arm_mac_accumulator_is_result.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/cortex-a7.md (cortex_a7_neon_mul):  New reservation.
        (cortex_a7_neon_mla): Likewise.
        (cortex_a7_fpfmad): New reservation.
        (cortex_a7_fpmacs): Use ffmas and update required units.
        (cortex_a7_fpmuld): Update required units and latency.
        (cortex_a7_fpmacd): Likewise.
        (cortex_a7_fdivs, cortex_a7_fdivd): Likewise.
        (cortex_a7_neon). Likewise.
        (bypass) Update participating units.

2013-01-29  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/arm.md (type): Add ffmas and ffmad to "type" attribute.
        * config/arm/vfp.md (fma,fmsub,fnmsub,fnmadd): Change type
        from fmac to ffma.
        * config/arm/vfp11.md (vfp_farith): Use ffmas.
        (vfp_fmul): Use ffmad.
        * config/arm/cortex-r4f.md (cortex_r4_fmacs): Use ffmas.
        (cortex_r4_fmacd): Use ffmad.
        * config/arm/cortex-m4-fpu.md (cortex_m4_fmacs): Use ffmas.
        * config/arm/cortex-a9.md (cortex_a9_fmacs):  Use ffmas.
        (cortex_a9_fmacd): Use ffmad.
        * config/arm/cortex-a8-neon.md (cortex_a8_vfp_macs): Use ffmas.
        (cortex_a8_vfp_macd): Use ffmad.
        * config/arm/cortex-a5.md (cortex_a5_fpmacs): Use ffmas.
        (cortex_a5_fpmacd): Use ffmad.
        * config/arm/cortex-a15-neon.md (cortex_a15_vfp_macs) Use ffmas.
        (cortex_a15_vfp_macd): Use ffmad.
        * config/arm/arm1020e.md (v10_fmul): Use ffmas and ffmad.

2013-01-29  Jason Merrill  <jason@redhat.com>

        PR libstdc++/54314
        * varasm.c (default_assemble_visibility): Don't warn about
        visibility on artificial decls.

2013-01-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56113
        * tree-ssa-structalias.c (equiv_class_lookup): Also return
        the bitmap leader.
        (label_visit): Free duplicate bitmaps and record the leader instead.
        (perform_var_substitution): Adjust.

2013-01-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55270
        * tree-ssa-dom.c (eliminate_degenerate_phis): If we changed
        the CFG, schedule loops for fixup.

2013-01-29  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_regno_mode_code_ok_for_base_p): Allow
        SP_REG.

2013-01-28  Leif Ekblad  <leif@rdos.net>

        * config.gcc (i[34567]86-*-rdos*, x86_64-*-rdos*): New targets.
        * config/i386/i386.h (TARGET_RDOS): New macro.
        (DEFAULT_LARGE_SECTION_THRESHOLD): New macro.
        * config/i386/i386.c (ix86_option_override_internal): For 64bit
        TARGET_RDOS, set ix86_cmodel to CM_MEDIUM_PIC and flag_pic to 1.
        * config/i386/i386.opt (mlarge-data-threshold): Initialize to
        DEFAULT_LARGE_SECTION_THRESHOLD.
        * config/i386/i386.md (R14_REG, R15_REG): New constants.
        * config/i386/rdos.h: New file.
        * config/i386/rdos64.h: New file.

2013-01-28  Bernd Schmidt  <bernds@codesourcery.com>

        PR other/54814
        * reload.c (find_valid_class_1): Use in_hard_reg_set_p instead of
        TEST_HARD_REG_BIT.

2013-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/56117
        * sched-deps.c (sched_analyze_2) <case PREFETCH>: For use_cselib
        call cselib_lookup_from_insn on the MEM before calling
        add_insn_mem_dependence.

2013-01-28  Richard Biener  <rguenther@suse.de>

        * tree-inline.c (remap_gimple_stmt): Do not assing a BLOCK
        to a stmt that didn't have one.
        (copy_phis_for_bb): Likewise for PHI arguments.
        (copy_debug_stmt): Likewise for debug stmts.

2013-01-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56034
        * tree-loop-distribution.c (enum partition_kind): Add
        PKIND_REDUCTION.
        (partition_builtin_p): Adjust.
        (generate_code_for_partition): Handle PKIND_REDUCTION.  Assert
        it is the last partition.
        (rdg_flag_uses): Check SSA_NAME_IS_DEFAULT_DEF before looking
        up the vertex for the definition.
        (classify_partition): Classify whether a partition is a
        PKIND_REDUCTION, thus has uses outside of the loop.
        (ldist_gen): Inherit PKIND_REDUCTION when merging partitions.
        Merge all PKIND_REDUCTION partitions into the last partition.
        (tree_loop_distribution): Seed partitions from reductions as well.

2013-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56125
        * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Don't optimize
        pow(x,c) into sqrt(x) * powi(x, n/2) or
        1.0 / (sqrt(x) * powi(x, abs(n/2))) if c is an integer or when
        optimizing for size.
        Don't optimize pow(x,c) into powi(x, n/3) * powi(cbrt(x), n%3) or
        1.0 / (powi(x, abs(n)/3) * powi(cbrt(x), abs(n)%3)) if 2c is an
        integer.

        PR tree-optimization/56094
        * gimplify.c (force_gimple_operand_1): Temporarily set input_location
        to UNKNOWN_LOCATION while gimplifying expr.

2013-01-27  Uros Bizjak  <ubizjak@gmail.com>

        PR target/56114
        * config/i386/i386.md (*movabs<mode>_1): Add square brackets around
        operand 0 in movabs insn template for -masm=intel asm alternative.
        (*movabs<mode>_2): Ditto for operand 1.

2013-01-26  David Holsgrove  <david.holsgrove@xilinx.com>

        PR target/54663
        * config.gcc (microblaze*-linux*): Add tmake_file to allow building
        of microblaze-c.o

2013-01-26  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

        * config.gcc (microblaze*-*-*): Rename microblaze*-*-elf, update
        tm_file.

2013-01-25  Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        * config/aarch64/aarch64.c (TARGET_FIXED_CONDITION_CODE_REGS):
        Undef to avoid warning.

2013-01-25  Michael Haubenwallner  <michael.haubenwallner@salomon.at>

        * configure.ac (gcc_cv_ld_static_dynamic): Define for AIX native ld.
        * configure: Regenerate.

2013-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56098
        * tree-ssa-phiopt.c (nt_init_block): Don't call add_or_mark_expr
        for stmts with volatile ops.
        (cond_store_replacement): Don't optimize if assign has volatile ops.
        (cond_if_else_store_replacement_1): Don't optimize if either
        then_assign or else_assign have volatile ops.
        (hoist_adjacent_loads): Don't optimize if either def1 or def2 have
        volatile ops.

2013-01-25  Georg-Johann Lay  <avr@gjlay.de>

        * doc/invoke.texi (AVR Built-in Macros): Document __XMEGA__.

2013-01-25  Georg-Johann Lay  <avr@gjlay.de>

        * doc/extend.texi (Example of asm with clobbered asm reg): Fix
        missing ':' in asm example.

2013-01-25  Tejas Belagod  <tejas.belagod@arm.com>

        * config/aarch64/aarch64-simd-builtins.def: Separate sq<r>dmulh_lane
        entries into lane and laneq entries.
        * config/aarch64/aarch64-simd.md (aarch64_sq<r>dmulh_lane<mode>):
        Remove AdvSIMD scalar modes.
        (aarch64_sq<r>dmulh_laneq<mode>): New.
        (aarch64_sq<r>dmulh_lane<mode>): New RTL pattern for Scalar AdvSIMD
        modes.
        * config/aarch64/arm_neon.h: Fix all the vq<r>dmulh_lane* intrinsics'
        builtin implementations to relfect changes in RTL in aarch64-simd.md.
        * config/aarch64/iterators.md (VCOND): New.
        (VCONQ): New.

2013-01-25  Georg-Johann Lay  <avr@gjlay.de>

        PR target/54222
        * config/avr/builtins.def (DEF_BUILTIN): Add LIBNAME argument.
        Add NULL LIBNAME argument to existing definitions.
        (ABSHR, ABSR, ABSLR, ABSLLR, ABSHK, ABSK, ABSLK, ABSLLK): New.
        * config/avr/avr-c.c (DEF_BUILTIN): Add LIBNAME argument.
        * config/avr/avr.c (DEF_BUILTIN): Same.
        (avr_init_builtins): Pass down LIBNAME to add_builtin_function.
        (avr_expand_builtin): Expand to a vanilla call if a libgcc
        implementation is available (DECL_ASSEMBLER_NAME is set).
        (avr_fold_absfx): New static function.
        (avr_fold_builtin): Use it to handle: AVR_BUILTIN_ABSHR,
        AVR_BUILTIN_ABSR, AVR_BUILTIN_ABSLR, AVR_BUILTIN_ABSLLR,
        AVR_BUILTIN_ABSHK, AVR_BUILTIN_ABSK, AVR_BUILTIN_ABSLK,
        AVR_BUILTIN_ABSLLK.
        * config/avr/stdfix.h (abshr, absr, abslr, absllr)
        (abshk, absk, abslk, absllk): Provide as static inline functions.

2013-01-25  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/56035
        * cfgloopmanip.c (fix_loop_structure): Remove redundant condition.

2012-01-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movti_internal_rex64): Add (o,e) alternative.
        (*movtf_internal_rex64): Add (!o,C) alternative
        (*movxf_internal_rex64): Ditto.
        (*movdf_internal_rex64): Add (?r,C) and (?m,C) alternatives.

2013-01-24  Shenghou Ma  <minux.ma@gmail.com>

        * doc/invoke.texi: fix typo.
        * doc/objc.texi: fix typo.

2013-01-24  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.md (*and<mode>3_mips16): Use the "W" constraint
        for the first two alternatives.

2013-01-24  Diego Novillo  <dnovillo@google.com>

        * Makefile.in (GGC): Remove.  Replace all instances with ggc-page.o.
        (ggc-zone.o): Remove.
        * configure.ac: Remove option --with-gc.
        * configure: Re-generate.
        * doc/install.texi: Remove documentation for --with-gc.
        * gengtype.c (write_enum_defn): Remove.  Update all users.
        (write_Types_process_field): Remove generation of gt_e_* argument.
        (output_type_enum): Remove.  Update all users.
        (write_enum_defn): Remove.  Update all users.
        (enum alloc_zone): Remove.  Update all users.
        (write_splay_tree_allocator_def): Remove generation of gt_e_* argument.
        * ggc-common.c (ggc_splay_alloc): Remove first argument.
        Update all callers.
        (struct ptr_data): Remove field TYPE.  Update all users.
        (gt_pch_note_object): Remove argument TYPE.  Update all users.
        * ggc-internal.h (ggc_pch_alloc_object): Remove last argument.
        Update all users.
        * ggc-none.c (ggc_alloc_typed_stat): Remove.
        (struct alloc_zone): Remove.
        (ggc_internal_alloc_zone_stat): Remove.
        (ggc_internal_cleared_alloc_zone_stat): Remove.
        * ggc-page.c (ggc_alloc_typed_stat): Remove.
        (ggc_pch_count_object): Remove last argument.  Update all users.
        (ggc_pch_alloc_object): Remove last argument.  Update all users.
        (struct alloc_zone): Remove.
        * ggc-zone.c: Remove.
        * ggc.h (gt_pch_note_object): Remove last argument.  Update all users.
        (struct alloc_zone): Remove.
        (ggc_alloc_typed_stat): Remove.
        (ggc_alloc_typed): Remove.
        (ggc_splay_alloc): Remove first argument.
        (rtl_zone): Remove.  Update all users.
        (tree_zone): Remove.  Update all users.
        (tree_id_zone): Remove.  Update all users.
        (ggc_internal_zone_alloc_stat): Remove.  Update all users.
        (ggc_internal_zone_cleared_alloc_stat): Remove.  Update all users.
        (ggc_internal_zone_vec_alloc_stat): Remove.  Update all users.
        * tree-ssanames.c: Remove references to zone allocator in comments.

2013-01-24  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.c (avr_out_fract): Make register numbers that
        might be outside of source operand signed.

2013-01-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/constraints.md (Yf): New constraint.
        * config/i386/i386.md (*movdf_internal_rex64): Use Yf*f instead
        of f constraint to conditionaly disable x87 register preferences.
        (*movdf_internal): Ditto.
        (*movsf_internal): Ditto.

2013-01-24  Steven Bosscher  <steven@gcc.gnu.org>

        PR inline-asm/55934
        * lra-assigns.c (assign_by_spills): Throw away the pattern of asms
        that have operands with impossible constraints.
        Add a FIXME for a speed-up opportunity.
        * lra-constraints.c (process_alt_operands): Verify that a class
        selected from constraints on asms is valid for the operand mode.
        (curr_insn_transform): Remove incorrect comment.

2013-01-23  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_delegitimize_address): Check that
        TOC operand is a valid symbol ref in the constant pool.

2013-01-23  Edgar E. Iglesias  <edgar.iglesias@gmail.com>

        * config/microblaze/linux.h: Add TARGET_OS_CPP_BUILTINS

2013-01-23  Georg-Johann Lay  <avr@gjlay.de>

        PR target/54222
        * config/avr/stdfix.h: New file.
        * t-avr (stdfix-gcc.h): New rule to build it.
        (EXTRA_HEADERS): Set it to install stdfix.h, stdfix-gcc.h.

2013-01-23  Kostya Serebryany  <kcc@google.com>

        * config/darwin.h: remove dependency on
        CoreFoundation (asan on Mac OS).

2013-01-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/49069
        * config/arm/arm.md (cbranchdi4, cstoredi4): Use s_register_operand
        instead of cmpdi_operand for first comparison operand.
        Don't assert that comparison operands aren't both constants.

2013-01-22  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * doc/install.texi (Downloading the Source): Update references to
        downloading separate components.

2013-01-22  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * doc/extend.texi (__int128): Improve grammar.

2013-01-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/56028
        * config/i386/i386.md (*movti_internal_rex64): Change (o,riF)
        alternative to (o,r).
        (*movdi_internal_rex64): Remove (!o,n) alternative.
        (DImode immediate->memory splitter): Remove.
        (DImode immediate->memory peephole2): Remove.
        (movtf): Enable for TARGET_64BIT || TARGET_SSE.
        (*movtf_internal_rex64): Rename from *movtf_internal. Change (!o,F*r)
        alternative to (!o,*r).
        (*movtf_internal_sse): New pattern.
        (*movxf_internal_rex64): New pattern.
        (*movxf_internal): Disable for TARGET_64BIT.
        (*movdf_internal_rex64): Remove (!o,F) alternative.

2013-01-22  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56074
        * dumpfile.c (dump_loc): Only print loc if LOCATION_LOCUS (loc)
        isn't UNKNOWN_LOCATION nor BUILTINS_LOCATION.
        * tree-vect-loop-manip.c (find_loop_location): Also ignore
        stmt locations where LOCATION_LOCUS of the stmt location is
        UNKNOWN_LOCATION or BUILTINS_LOCATION.

        PR target/55686
        * config/i386/i386.md (UNSPEC_STOS): New.
        (strset_singleop, *strsetdi_rex_1, *strsetsi_1, *strsethi_1,
        *strsetqi_1): Add UNSPEC_STOS.

2013-01-22  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/56067
        * doc/invoke.texi: Remove left over -Wsynth example.

2013-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56051
        * fold-const.c (fold_binary_loc): Don't fold
        X < (cast) (1 << Y) into (X >> Y) != 0 if cast is either
        a narrowing conversion, or widening conversion from signed
        to unsigned.

2013-01-21  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/56023
        * haifa-sched.c (fix_inter_tick): Do not update ticks of instructions,
        dependent on debug instruction.

2013-01-21  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/56022
        * function.c (allocate_struct_function): Call
        invoke_set_current_function_hook earlier.

2013-01-21  Jakub Jelinek  <jakub@redhat.com>

        * reload1.c (init_reload): Only initialize reload_obstack
        during the first call.

2013-01-21  Marek Polacek  <polacek@redhat.com>

        * cfgloop.c (verify_loop_structure): Fix up grammar.

2013-01-21  Yi-Hsiu Hsu  <ahsu@marvell.com>

        * config/arm/marvell-pj4.md (pj4_shift_conds, pj4_alu_shift,
        pj4_alu_shift_conds, pj4_shift): Handle simple_alu_shift.

2013-01-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/56058
        * config/arm/marvell-pj4.md: Update copyright year.
        Fix up use of alu to alu_reg and simple_alu_imm.

2013-01-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (enabled): Do not disable fma4 for TARGET_FMA.

2013-01-20  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/55433
        * lra-constraints.c (curr_insn_transform): Don't reuse original
        insn for secondary memory move when memory mode should be different.

2013-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa.md (atomic_loaddi, atomic_loaddi_1, atomic_storedi,
        atomic_storedi_1): New patterns.

2013-01-20  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        btver2 pipeline descriptions.
        * config/i386/i386.c: Enable CPU_BTVER2 to use btver2 pipeline
        descriptions.
        * config/i386/i386.md (btver2_decode): New type attributes.
        * config/i386/sse.md (btver2_decode, btver2_sse_attr): New
        type attributes.
        * config/i386/btver2.md: New file describing btver2 pipelines.

2013-01-19  Andrew Pinski  <apinski@cavium.com>

        PR tree-optimization/52631
        * tree-ssa-sccvn (visit_use): Before looking up the original
        statement, try looking up the simplified expression.

2013-01-19  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxie.c (moxie_expand_prologue): Set
        current_function_static_stack_size.

2013-01-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56029
        * tree-phinodes.c (reserve_phi_args_for_new_edge): Set
        gimple_phi_arg_location for the new arg to UNKNOWN_LOCATION.

2013-01-18  Sharad Singhai  <singhai@google.com>

        PR tree-optimization/55995
        * dumpfile.c (dump_loc): Print location only if available.
        * tree-vectorizer.c (increase_alignment): Intialize vect_location.

2013-01-18  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/55433
        * lra-constraints.c (curr_insn_transform): Reuse original insn for
        secondary memory move.
        (inherit_reload_reg): Use rclass instead of cl for
        check_secondary_memory_needed_p.

2013-01-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56015
        * expr.c (expand_expr_real_2) <case COMPLEX_EXPR>: Handle
        the case where writing real complex part of target modifies op1.

2013-01-18  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-simd.md
        (aarch64_vcond_internal<mode>): Handle unordered cases.
        * config/aarch64/iterators.md (v_cmp_result): New.

2013-01-18  Yi-Hsiu Hsu  <ahsu@marvell.com>
            Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/marvell-pj4.md: New file.
        * config/arm/arm.c (arm_issue_rate): Add marvell_pj4.
        * config/arm/arm.md (generic_sched): Add marvell_pj4.
        (generic_vfp): Likewise.
        * config/arm/arm-cores.def: Add marvell-pj4.
        * config/arm/arm-tune.md: Regenerate.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/bpabi.h (BE8_LINK_SPEC): Add marvell_pj4.
        * doc/invoke.texi: Document marvell-pj4.

2013-01-18  Tejas Belagod  <tejas.belagod@arm.com>

        * config/aarch64/arm_neon.h: Map scalar types to standard types.

2013-01-18  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/54114
        PR debug/54402
        PR debug/49888
        * var-tracking.c (negative_power_of_two_p): New.
        (global_get_addr_cache, local_get_addr_cache): New.
        (get_addr_from_global_cache, get_addr_from_local_cache): New.
        (vt_canonicalize_addr): Rewrite using the above.  Adjust the
        heading comment.
        (vt_stack_offset_p): Remove.
        (vt_canon_true_dep): Always canonicalize loc's address.
        (clobber_overlapping_mems): Make sure we have a MEM.
        (local_get_addr_clear_given_value): New.
        (val_reset): Clear local cached entries.
        (compute_bb_dataflow): Create and release the local cache.
        Disable duplicate MEMs clobbering.
        (emit_notes_in_bb): Clobber MEMs likewise.
        (vt_emit_notes): Create and release the local cache.
        (vt_initialize, vt_finalize): Create and release the global
        cache, respectively.
        * alias.c (rtx_equal_for_memref_p): Compare operands of ENTRY_VALUEs.

2013-01-18  Alexandre Oliva  <aoliva@redhat.com>

        PR libmudflap/53359
        * tree-mudflap.c (mudflap_finish_file): Skip deferred decls
        not found in the symtab.

2013-01-18  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/56006
        PR rtl-optimization/55547
        PR rtl-optimization/53827
        PR debug/53671
        PR debug/49888
        * alias.c (offset_overlap_p): New, factored out of...
        (memrefs_conflict_p): ... this.  Use absolute sizes.  Retain
        the conservative special case for symbolic constants.  Don't
        adjust zero sizes on alignment.

2013-01-18  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/52573
        * regrename.c (build_def_use): Ignore REG_DEAD notes if there is a
        REG_UNUSED for the same register.

2013-01-17  Richard Biener  <rguenther@suse.de>
            Marek Polacek  <polacek@redhat.com>

        PR rtl-optimization/55833
        * loop-unswitch.c (unswitch_loops): Move loop verification...
        (unswitch_single_loop): ...here.  Call mark_irreducible_loops.
        * cfgloopmanip.c (fix_loop_placement): Add IRRED_INVALIDATED parameter.
        Set it to true when we're removing a loop from hierarchy tree in
        an irreducible region.
        (fix_bb_placements): Adjust caller.
        (fix_loop_placements): Likewise.

2013-01-17  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/builtins.def (DEF_BUILTIN): Factor out
        "__builtin_avr_" from NAME, turn NAME to an uppercase identifier.
        Factor out 'CODE_FOR_' from ICODE, use 'nothing' instead of '-1'.
        Remove ID.  Adjust comments.
        * config/avr/avr-c.c (avr_builtin_name): Remove.
        (avr_cpu_cpp_builtins): Use DEF_BUILTIN instead of for-loop.
        * config/avr/avr.c (avr_tolower): New static function.
        (DEF_BUILTIN): Remove parameter ID.  Prefix ICODE by 'CODE_FOR_'.
        Stringify NAME, prefix it with "__builtin_avr_" and lowercase it.
        (avr_expand_builtin): Assert insn_code != CODE_FOR_nothing for
        default expansion.

2013-01-17  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/55273
        * loop-iv.c (iv_number_of_iterations): Consider zero iteration case.

2013-01-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/55981
        * config/i386/sync.md (atomic_store<mode>): Always generate SWImode
        store through atomic_store<mode>_1.
        (atomic_store<mode>_1): Macroize insn using SWI mode iterator.

2013-01-17  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimizations/55264
        * ipa-inline-transform.c (can_remove_node_now_p_1): Never return true
        for virtual methods.
        * ipa.c (symtab_remove_unreachable_nodes): Never return true for
        virtual methods before inlining is over.
        * cgraph.h (cgraph_only_called_directly_or_aliased_p): Return false for
        virtual functions.
        * cgraphclones.c (cgraph_create_virtual_clone): Mark clones as
        non-virtual.

2013-01-16  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/56005
        * sched-deps.c (sched_analyze_2): Check deps->readonly for adding
        pending reads for prefetch.

2013-01-16  Ian Bolton  <ian.bolton@arm.com>

        * config/aarch64/aarch64.md
        (*cstoresi_neg_uxtw): New pattern.
        (*cmovsi_insn_uxtw): New pattern.
        (*<optab>si3_uxtw): New pattern.
        (*<LOGICAL:optab>_<SHIFT:optab>si3_uxtw): New pattern.
        (*<optab>si3_insn_uxtw): New pattern.
        (*bswapsi2_uxtw): New pattern.

2013-01-16  Richard Biener  <rguenther@suse.de>

        * tree-inline.c (tree_function_versioning): Remove set but
        never used variable.

2013-01-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55964
        * tree-flow.h (rename_variables_in_loop): Remove.
        (rename_variables_in_bb): Likewise.
        * tree-loop-distribution.c (update_phis_for_loop_copy): Remove.
        (copy_loop_before): Adjust and delete update-ssa status.
        * tree-vect-loop-manip.c (rename_variables_in_bb): Make static.
        (rename_variables_in_bb): Likewise.  Properly walk over predecessors.
        (rename_variables_in_loop): Remove.
        (slpeel_update_phis_for_duplicate_loop): Likewise.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Handle nested loops,
        use available cfg machinery instead of duplicating it.
        Update PHI nodes and perform poor-mans SSA update here.
        (slpeel_tree_peel_loop_to_edge): Adjust.

2013-01-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/54767
        PR tree-optimization/53465
        * tree-vrp.c (vrp_meet_1): Revert original fix for PR53465.
        (vrp_visit_phi_node): For PHI arguments coming via backedges
        drop all symbolical range information.
        (execute_vrp): Compute backedges.

2013-01-16  Richard Biener  <rguenther@suse.de>

        * doc/install.texi: Update CLooG and ISL requirements to
        0.18.0 and 0.11.1.

2013-01-16  Christian Bruel  <christian.bruel@st.com>

        PR target/55301
        * config/sh/sh.c (sh_expand_prologue): Postpone new_stack mem symbol.
        (broken_move): Handle UNSPECV_SP_SWITCH_B.
        * config/sh/sh.md (sp_switch_1): Use set (reg:SI SP_REG).

2013-01-16  DJ Delorie  <dj@redhat.com>

        * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
        (UNSPECV_SP_SWITCH_E): New.
        (sp_switch_1): Change to an unspec.
        (sp_switch_2): Change to an unspec.  Don't use post-inc when we
        replace $r15.

2013-01-16  Uros Bizjak  <ubizjak@gmail.com>

        * emit-rtl.c (need_atomic_barrier_p): Mask memory model argument
        with MEMMODEL_MASK before comparing with MEMMODEL_* memory types.
        * optabs.c (maybe_emit_sync_lock_test_and_set): Ditto.
        (expand_mem_thread_fence): Ditto.
        (expand_mem_signal_fence): Ditto.
        (expand_atomic_load): Ditto.
        (expand_atomic_store): Ditto.

2013-01-16  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/55547
        PR rtl-optimization/53827
        PR debug/53671
        PR debug/49888
        * alias.c (memrefs_conflict_p): Set sizes to negative after
        AND adjustments.

2013-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR target/55940
        * function.c (thread_prologue_and_epilogue_insns): Always
        add crtl->drap_reg to set_up_by_prologue.set, even if
        stack_realign_drap is false.

2013-01-15  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

        * config/vax/vax.md (add<mode>3, sub<mode>3, mul<mode>3, div<mode>3,
        and<mode>3, *and<mode>_const_int, ior<mode>3, xor<mode>3, ashrsi3,
        *call): Fix indention.

2013-01-15  Tom de Vries  <tom@codesourcery.com>

        PR target/55876
        * optabs.c (widen_operand): Use gen_lowpart instead of gen_rtx_SUBREG.
        Update comment.

2013-01-15  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/55153
        * sched-deps.c (sched_analyze_2): Add pending reads for prefetch.

2013-01-15  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/55920
        * tree-sra.c (analyze_access_subtree): Do not mark non-removable
        accesses as grp_to_be_debug_replaced.

2013-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/55920
        * tree-sra.c (sra_modify_assign): If for lacc->grp_to_be_debug_replaced
        there is non-useless type conversion needed from debug rhs to lhs,
        use build_debug_ref_for_model and/or VIEW_CONVERT_EXPR.

2013-01-15  Joseph Myers  <joseph@codesourcery.com>
            Mikael Pettersson  <mikpe@it.uu.se>

        PR target/43961
        * config/arm/arm.h (ADDR_VEC_ALIGN): Align SImode jump tables for
        Thumb.
        (ASM_OUTPUT_CASE_LABEL): Remove.
        (ASM_OUTPUT_BEFORE_CASE_LABEL): Define to empty.
        * final.c (shorten_branches): Update alignment of labels before
        jump tables if CASE_VECTOR_SHORTEN_MODE.

2013-01-15  Richard Biener  <rguenther@suse.de>

        PR bootstrap/55961
        * system.h: Do not include gmp.h for building host tools.

2013-01-15  Richard Biener  <rguenther@suse.de>

        PR middle-end/55882
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Correctly
        account for bitpos when computing alignment.

2013-01-15  Vladimir Yakovlev  <vladimir.b.yakovlev@intel.com>

        * config/i386/i386-c.c (ix86_target_macros_internal): New case.
        (ix86_target_macros_internal): Likewise.

        * config/i386/i386.c (m_CORE2I7): Removed.
        (m_CORE_HASWELL): New macro.
        (m_CORE_ALL): Likewise.
        (initial_ix86_tune_features): m_CORE2I7 is replaced by m_CORE_ALL.
        (initial_ix86_arch_features): Likewise.
        (processor_target_table): Initializations for Core avx2.
        (cpu_names): New names "core-avx2".
        (ix86_option_override_internal): Changed PROCESSOR_COREI7 by
        PROCESSOR_CORE_HASWELL.
        (ix86_issue_rate): New case.
        (ia32_multipass_dfa_lookahead): Likewise.
        (ix86_sched_init_global): Likewise.

        * config/i386/i386.h (TARGET_HASWELL): New macro.
        (target_cpu_default): New TARGET_CPU_DEFAULT_haswell.
        (processor_type): New PROCESSOR_HASWELL.

2013-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/55955
        * tree-vect-loop.c (vectorizable_reduction): Give up early on
        *SHIFT_EXPR and *ROTATE_EXPR codes.

        PR tree-optimization/48766
        * opts.c (common_handle_option): For -fwrapv disable -ftrapv, for
        -ftrapv disable -fwrapv.

2013-01-14  Georg-Johann Lay  <avr@gjlay.de>

        PR target/55974
        * config/avr/avr-c.c (avr_cpu_cpp_builtins): Define __FLASH
        etc. to 1 and not to __flash.
        Use LL suffix for __INT24_MAX__ with -mint8.
        Use ULL suffix for __UINT24_MAX__ with -mint8.

2013-01-14  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr-arch.h
        (struct base_arch_s): Use typedef avr_arch_t instead.
        (struct arch_info_s): Use typedef avr_arch_info_t instead.
        (struct mcu_type_s): Use typedef avr_mcu_t instead.
        * config/avr/avr.c: Same.
        * config/avr/avr-devices.c: Same.
        * config/avr/driver-avr.c: Same.
        * config/avr/gen-avr-mmcu-texi.c: Same.
        * config/avr/avr-mcus.def: Adjust comment.

2013-01-14  Tejas Belagod  <tejas.belagod@arm.com>

        * config/aarch64/aarch64-simd.md (*aarch64_simd_ld1r<mode>): New.
        * config/aarch64/iterators.md (VALLDI): New.

2013-01-14  Uros Bizjak  <ubizjak@gmail.com>
            Andi Kleen  <ak@linux.intel.com>

        PR target/55948
        * config/i386/sync.md (atomic_store<mode>_1): New pattern.
        (atomic_store<mode>): Call atomic_store<mode>_1 for IX86_HLE_RELEASE
        memmodel flag.

2013-01-14  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr-stdint.h: Remove trailing blanks.
        * config/avr/avr-log.h: Same.
        * config/avr/avr-arch.h: Same.
        * config/avr/avr-devices.c: Same.
        * config/avr/avr-dimode.md: Same.
        * config/avr/predicates.md: Same.
        * config/avr/avr-c.c: Same.  And fix typo.

        * config/avr/avr-protos.h: Same.  And:
        (function_arg_regno_p): Rename to avr_function_arg_regno_p.
        (init_cumulative_args): Rename to avr_init_cumulative_args.
        (expand_prologue): Rename to avr_expand_prologue.
        (expand_epilogue): Rename to avr_expand_epilogue.
        (adjust_insn_length): Rename to avr_adjust_insn_length.
        (notice_update_cc): Rename to avr_notice_update_cc.
        (final_prescan_insn): Rename to avr_final_prescan_insn.
        * config/avr/avr.c: Same.
        * config/avr/avr.h: Same.
        * config/avr/avr.md: Remove trailing blanks.
        (prologue): Use avr_expand_prologue.
        (epilogue, sibcall_epilogue): Use avr_expand_epilogue.

2013-01-14  Richard Biener  <rguenther@suse.de>

        * tree-cfg.c (verify_expr_location, verify_expr_location_1,
        verify_location, collect_subblocks): New functions.
        (verify_gimple_in_cfg): Verify that locations only reference
        BLOCKs in the functions BLOCK tree.

2013-01-14  Richard Biener  <rguenther@suse.de>

        * tree-cfgcleanup.c (remove_forwarder_block): Unshare propagated
        PHI argument.
        * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Properly
        unshare reference.
        (insert_out_of_ssa_copy_on_edge): Likewise.
        (rewrite_close_phi_out_of_ssa): Likewise.
        * tree-ssa.c (insert_debug_temp_for_var_def): Properly unshare
        debug expressions.
        * tree-ssa-pre.c (insert_into_preds_of_block): Properly unshare
        propagated constants.
        * tree-cfg.c (tree_node_can_be_shared): Handled component-refs
        can not be shared.

2013-01-14  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr-modes.def: Add GPL copyright notice.

2013-01-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sync.md (mem_thread_fence): Mask operands[0] with
        MEMMODEL_MASK to determine memory model.
        (atomic_store<mode>): Ditto from operands[2].
        * config/i386/i386.c (ix86_memmodel_check): Declare "strong" as bool.

2013-01-13  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/55935
        * gimple-fold.c (get_symbol_constant_value): Call unshare_expr.
        (fold_gimple_assign): Don't call unshare_expr here.
        (fold_ctor_reference): Call unshare_expr.

2013-01-13  Terry Guo  <terry.guo@arm.com>

        * Makefile.in (s-mlib): New argument MULTILIB_REUSE.
        * doc/fragments.texi: Document MULTILIB_REUSE.
        * gcc.c (multilib_reuse): New internal spec.
        (set_multilib_dir): Also search multilib from multilib_reuse.
        * genmultilib (tmpmultilib3): Refactor code.
        (tmpmultilib4): Ditto.
        (multilib_reuse): New multilib argument.

2013-01-13  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in: Update copyright.

2013-01-12  Tom de Vries  <tom@codesourcery.com>

        PR middle-end/55890
        * calls.c (expand_call): Check if arg_nr is valid.

2013-01-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * doc/extend.texi (X86 Built-in Functions): Add whitespace in
        __builtin_ia32_paddb256 and __builtin_ia32_pavgb256
        documentation.  Add missing '__' in front of
        __builtin_ia32_packssdw256.

2013-01-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        PR target/55719
        * config/s390/s390.c (s390_preferred_reload_class): Do not return
        NO_REGS for larl operands.
        (s390_reload_larl_operand): Use s390_load_address instead of
        emit_move_insn.

2013-01-11  Richard Biener  <rguenther@suse.de>

        * tree-cfg.c (verify_node_sharing_1): Split out from ...
        (verify_node_sharing): ... here.
        (verify_gimple_in_cfg): Use verify_node_sharing_1 for walk_tree.

2013-01-11  Eric Botcazou  <ebotcazou@adacore.com>

        * configure.ac (Tree checking): Set TREECHECKING to yes if enabled.
        Substitute TREECHECKING.
        * configure: Regenerate.
        * Makefile.in (TREECHECKING): New.

2013-01-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44061
        * tree-vrp.c (extract_range_basic): Compute zero as
        value-range for __builtin_constant_p of function parameters.

2013-01-10  Richard Sandiford  <rdsandiford@googlemail.com>

        Update copyright years.

2013-01-10  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/55672
        * lra-eliminations.c (mark_not_eliminable): Permit addition with
        const to be eliminable.

2013-01-10  David Edelsohn  <dje.gcc@gmail.com>

        * configure.ac (HAVE_AS_TLS): Add check for powerpc-ibm-aix.
        * configure: Regenerate.

2013-01-10  Richard Biener  <rguenther@suse.de>

        * builtins.c (expand_builtin_init_trampoline): Use set_mem_attributes.

2013-01-10  Richard Biener  <rguenther@suse.de>

        PR bootstrap/55792
        * tree-into-ssa.c (rewrite_add_phi_arguments): Do not set
        locations for virtual PHI arguments.
        (rewrite_update_phi_arguments): Likewise.

2013-01-10  Joel Sherrill  <joel.sherrill@OARcorp.com>

        * config/v850/rtems.h (ASM_SPEC): Pass -m8byte-align and -mgcc-abi
        on to assembler.

2013-01-10  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/55921
        * tree-complex.c (expand_complex_asm): New function.
        (expand_complex_operations_1): Call it for GIMPLE_ASM.

2013-01-10  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        PR target/55718
        * config/s390/s390.c (s390_symref_operand_p)
        (s390_loadrelative_operand_p): Merge the two functions.
        (s390_check_qrst_address, print_operand_address): Add parameters
        to s390_loadrelative_operand_p invokation.
        (s390_check_symref_alignment): Use s390_loadrelative_operand_p.
        (s390_reload_larl_operand, s390_secondary_reload): Use
        s390_loadrelative_operand_p instead of s390_symref_operand_p.
        (legitimize_pic_address): Handle @GOTENT and @PLT + addend.

2013-01-09  Mike Stump  <mikestump@comcast.net>

        * dse.c (record_store): Remove unnecessary assert.

2013-01-09  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/55569
        * cfgloopmanip.c (scale_loop_profile): Make ITERATION_BOUND gcov_type.
        * cfgloop.h (scale_loop_profile): Likewise.

2013-01-09  Jan Hubicka  <jh@suse.cz>

        PR lto/45375
        * ipa-inline.c (ipa_inline): Remove extern inlines and virtual
        functions.
        * cgraphclones.c (cgraph_clone_node): Cpoy also LTO file data.

2013-01-09  Richard Sandiford  <rdsandiford@googlemail.com>

        PR middle-end/55114
        * expr.h (maybe_emit_group_store): Declare.
        * expr.c (maybe_emit_group_store): New function.
        * builtins.c (expand_builtin_int_roundingfn): Call it.
        (expand_builtin_int_roundingfn_2): Likewise.

2013-01-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/55829
        * lra-constraints.c (match_reload): Add code for absent output.
        (curr_insn_transform): Add code for reloads of matched inputs
        without output.

2013-01-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*vec_interleave_highv2df): Change mode
        attribute of movddup insn to DF.
        (*vec_interleave_lowv2df): Ditto.
        (vec_dupv2df): Ditto.

2013-01-09  Jan Hubicka  <jh@suse.cz>

        PR tree-optimiation/55875
        * tree-ssa-loop-niter.c (number_of_iterations_cond): Add
        EVERY_ITERATION parameter.
        (number_of_iterations_exit): Check if exit is executed every iteration.
        (idx_infer_loop_bounds): Similarly here.
        (n_of_executions_at_most): Simplify
        to only test for cases where statement is dominated by the
        particular bound; handle correctly the "postdominance" test.
        (scev_probably_wraps_p): Use max loop iterations info
        as a global bound first.

2013-01-09  Nguyen Duy Dat  <dat.nguyen.yn@rvc.renesas.com>
            Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.md (cbranchsf4): New pattern.
        (cstoresf4): New pattern.
        (cbranchdf4): New pattern.
        (cstoredf4): New pattern.
        (movsicc): Disallow floating point comparisons.
        (cmpsf_le_insn): Fix order of operators.
        (cmpsf_lt_insn): Likewise.
        (cmpsf_eq_insn): Likewise.
        (cmpdf_le_insn): Likewise.
        (cmpdf_lt_insn): Likewise.
        (cmpdf_eq_insn): Likewise.
        (cmpsf_ge_insn): Use LE comparison.
        (cmpdf_ge_insn): Likewise.
        (cmpsf_gt_insn): Use LT comparison.
        (cmpdf_gt_insn): Likewise.
        (cmpsf_ne_insn): Delete pattern.
        (cmpdf_ne_insn): Delete pattern.
        * config/v850/v850.c (v850_gen_float_compare): Use
        gen_cmpdf_eq_insn for NE comparison.
        (v850_float_z_comparison_operator)
        (v850_float_nz_comparison_operator): Move from here ...
        * config/v850/predicates.md: ... to here.  Move GT and GE
        comparisons into v850_float_z_comparison_operator.
        * config/v850/v850-protos.h (v850_float_z_comparison_operator):
        Delete prototype.
        (v850_float_nz_comparison_operator): Likewise.

2013-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa.c (pa_emit_move_sequence): Replace calls to gen_insv
        with calls to gen_insvsi/gen_insvdi.

2013-01-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * config/i386/i386.c (initial_ix86_tune_features): Set up
        X86_TUNE_AVX128_OPTIMAL for m_BTVER2.

2013-01-09  Steven Bosscher  <steven@gcc.gnu.org>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/48189
        * predict.c (predict_loops): If max is 0, don't call compare_tree_int.
        If nitercst is 0, don't predict the exit edge.

2013-01-08   Naveen H.S  <Naveen.Hurugalawadi@caviumnetworks.com>

        * config/aarch64/aarch64.c (aarch64_print_operand): Replace %r
        in asm_fprintf with reg_names.
        (aarch64_print_operand_address): Likewise.
        (aarch64_return_addr): Likewise.
        * config/aarch64/aarch64.h (ASM_FPRINTF_EXTENSIONS): Remove.

2013-01-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa.h (VAL_U6_BITS_P): Define.
        (INT_U6_BITS): Likewise.
        * config/pa/predicates.md (uint6_operand): New predicate.
        (shift5_operand, shift6_operand): Likewise.
        * config/pa/pa.md (lshrsi3, rotrsi3): Use shift5_operand instead of
        arith32_operand.
        (lshrdi3): Use shift6_operand.
        (shrpsi4, shrpdi4): New insn patterns.
        (extzv): Delete expander.
        (extzvsi, extzvdi): New expanders.  Use uint5_operand and uint6_operand
        predicates in unamed zero extract patterns.  Tighten common constraint.
        (extv): Delete expander.
        (extvsi, extvdi): New expanders.  Use uint5_operand and uint6_operand
        predicates in unamed sign extract patterns.  Tighten common constraint.
        (insv): Delete expander.
        (insvsi, insvdi): New expanders.  Use uint5_operand and uint6_operand
        predicates in unamed insert patterns.  Tighten common constraint.
        Change uint32_operand predicate to uint6_operand predicate in unamed
        DImode pattern to insert constant values of type 1...1xxxx.

2013-01-04  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/55823
        * ipa-prop.c (update_indirect_edges_after_inlining): Fix ordering
        issue.

2013-01-08  Jakub Jelinek  <jakub@redhat.com>
            Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/55845
        * df-problems.c (can_move_insns_across): Stop scanning at
        volatile_insn_p source instruction or give up if
        across_from .. across_to range contains any volatile_insn_p
        instructions.

2013-01-08  Tejas Belagod  <tejas.belagod@arm.com>

        * config/aarch64/aarch64-simd.md (vec_init<mode>): New.
        * config/aarch64/aarch64-protos.h (aarch64_expand_vector_init):
        Declare.
        * config/aarch64/aarch64.c (aarch64_simd_dup_constant,
        aarch64_simd_make_constant, aarch64_expand_vector_init): New.

2013-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/55341
        * asan.c (asan_clear_shadow): New function.
        (asan_emit_stack_protection): Use it.

2013-01-08  Tejas Belagod  <tejas.belagod@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_simd_vec_<su>mult_lo_<mode>,
        aarch64_simd_vec_<su>mult_hi_<mode>): Separate instruction and operand
        with tab instead of space.

2013-01-08  Nick Clifton  <nickc@redhat.com>

        * config/rl78/rl78.c (rl78_expand_prologue): Always select
        register bank 0 at the start of an interrupt handler.
        * config/rl78/rl78.md (mulsi3_g13): Correct values for MDBL and
        MDBH registers.

2013-01-08  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-simd.md
        (aarch64_simd_bsl<mode>_internal): Add floating-point modes.
        (aarch64_simd_bsl): Likewise.
        (aarch64_vcond_internal<mode>): Likewise.
        (vcond<mode><mode>): Likewise.
        (aarch64_cm<cmp><mode>): Fix constraints, add new modes.
        * config/aarch64/iterators.md (V_cmp_result): Add V2DF.

2013-01-08  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-builtins.c
        (aarch64_builtin_vectorized_function): Handle sqrt, sqrtf.

2013-01-08  Martin Jambor  <mjambor@suse.cz>

        PR debug/55579
        * tree-sra.c (analyze_access_subtree): Return true also after
        potentially creating a debug-only replacement.

2013-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/55890
        * tree-ssa-ccp.c (evaluate_stmt): Use gimple_call_builtin_p.

        PR tree-optimization/54120
        * tree-vrp.c (range_fits_type_p): Don't allow
        src_precision < precision from signed vr to unsigned_p
        if vr->min or vr->max is negative.
        (simplify_float_conversion_using_ranges): Test can_float_p
        against CODE_FOR_nothing.

2013-01-08  Jakub Jelinek  <jakub@redhat.com>
            Richard Biener  <rguenther@suse.de>

        PR middle-end/55851
        * fold-const.c (int_binop_types_match_p): Allow all INTEGRAL_TYPE_P
        types instead of just INTEGER_TYPE types.

2013-01-07  Mark Kettenis  <kettenis@openbsd.org>

        * config/i386/openbsdelf.h (LIBGCC2_HAS_TF_MODE, LIBGCC2_TF_CEXT,
        TF_SIZE): Define.

2013-01-07  Steve Ellcey  <sellcey@mips.com>

        PR target/42661
        * config/mips/mips.opt: Change mad to mmad to match documentation.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

        PR target/55897
        * doc/extend.texi (AVR Named Address Spaces): __memx goes into
        .progmemx.data now.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

        PR target/55897
        * config/avr/avr.h (ADDR_SPACE_COUNT): New enum.
        (avr_addrspace_t): Add .section_name field.
        * config/avr/avr.c (progmem_section): Use ADDR_SPACE_COUNT as
        array size.
        (avr_addrspace): Same.  Initialize .section_name.  Remove last
        NULL entry.  Put __memx into .progmemx.data.
        (progmem_section_prefix): Remove.
        (avr_asm_init_sections): No need to initialize progmem_section.
        (avr_asm_named_section): Use avr_addrspace[].section_name to get
        section name prefix.
        (avr_asm_select_section): Ditto.  And use get_unnamed_section to
        retrieve the progmem section.
        * avr-c.c (avr_cpu_cpp_builtins): Use ADDR_SPACE_COUNT as loop
        boundary to run over avr_addrspace[].
        (avr_register_target_pragmas): Ditto.

2013-01-06  Jakub Jelinek  <jakub@redhat.com>

        * varasm.c (output_constant_def_contents): For asan_protect_global
        protected strings, adjust DECL_ALIGN if needed, before testing for
        anchored symbols.
        (place_block_symbol): Adjust size for asan protected STRING_CSTs if
        TREE_CONSTANT_POOL_ADDRESS_P.  Increase alignment for asan protected
        normal decls.
        (output_object_block): For asan protected decls, emit asan padding
        after their contents.
        * asan.c (asan_protect_global): Don't check TREE_ASM_WRITTEN here.
        (asan_finish_file): Test it here instead.

2013-01-07   Nick Clifton  <nickc@redhat.com>
             Matthias Klose  <doko@debian.org>
             Doug Kwan  <dougkwan@google.com>
             H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/55470
        * collect2.c (main): Support -fuse-ld=bfd and -fuse-ld=gold.

        * common.opt: Add fuse-ld=bfd and fuse-ld=gold.

        * gcc.c (LINK_COMMAND_SPEC): Pass -fuse-ld=* to collect2.

        * opts.c (comman_handle_option): Ignore -fuse-ld=bfd and -fuse-ld=gold.

        * doc/invoke.texi: Document -fuse-ld=bfd and -fuse-ld=gold.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

        PR target/54461
        * doc/install.texi (Cross-Compiler-Specific Options): Document
        --with-avrlibc.

2013-01-07  Tejas Belagod  <tejas.belagod@arm.com>

        * config/aarch64/arm_neon.h (vmovn_high_is16, vmovn_high_s32,
        vmovn_high_s64, vmovn_high_u16, vmovn_high_u32, vmovn_high_u64,
        vqmovn_high_s16, vqmovn_high_s32, vqmovn_high_s64, vqmovn_high_u16,
        vqmovn_high_u32, vqmovn_high_u64, vqmovun_high_s16, vqmovun_high_s32,
        vqmovun_high_s64): Fix source operand number and update copyright.

2013-01-07  Richard Biener  <rguenther@suse.de>

        PR middle-end/55890
        * gimple.h (gimple_call_builtin_p): New overload.
        * gimple.c (validate_call): New function.
        (gimple_call_builtin_p): Likewise.
        * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
        Use gimple_call_builtin_p.
        (find_func_clobbers): Likewise.
        * tree-ssa-strlen.c (adjust_last_stmt): Likewise.
        (strlen_optimize_stmt): Likewise.

2013-01-07  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/arm_neon.h (vld1_dup_*): Make argument const.
        (vld1q_dup_*): Likewise.
        (vld1_*): Likewise.
        (vld1q_*): Likewise.
        (vld1_lane_*): Likewise.
        (vld1q_lane_*): Likewise.

2013-01-07  Richard Biener  <rguenther@suse.de>

        * lto-streamer.h (LTO_minor_version): Bump to 2.

2013-01-07  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-protos.h
        (aarch64_const_double_zero_rtx_p): Rename to...
        (aarch64_float_const_zero_rtx_p): ...this.
        (aarch64_float_const_representable_p): New.
        (aarch64_output_simd_mov_immediate): Likewise.
        * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>): Refactor
        move immediate case.
        * config/aarch64/aarch64.c
        (aarch64_const_double_zero_rtx_p): Rename to...
        (aarch64_float_const_zero_rtx_p): ...this.
        (aarch64_print_operand): Allow printing of new constants.
        (aarch64_valid_floating_const): New.
        (aarch64_legitimate_constant_p): Check for valid floating-point
        constants.
        (aarch64_simd_valid_immediate): Likewise.
        (aarch64_vect_float_const_representable_p): New.
        (aarch64_float_const_representable_p): Likewise.
        (aarch64_simd_imm_zero_p): Also allow for floating-point 0.0.
        (aarch64_output_simd_mov_immediate): New.
        * config/aarch64/aarch64.md (*movsf_aarch64): Add new alternative.
        (*movdf_aarch64): Likewise.
        * config/aarch64/constraints.md (Ufc): New.
        (Y): call aarch64_float_const_zero_rtx.
        * config/aarch64/predicates.md (aarch64_fp_compare_operand): New.

2013-01-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55888
        PR tree-optimization/55862
        * tree-ssa-pre.c (phi_translate_1): Revert previous change.
        (valid_in_sets): Check if a NAME has a leader in AVAIL_OUT,
        not if it is contained therein.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/t-avr: Typo.

2013-01-07  Georg-Johann Lay  <avr@gjlay.de>

        PR55243
        * config/avr/t-avr: Don't automatically rebuild
        $(srcdir)/config/avr/t-multilib
        $(srcdir)/config/avr/avr-tables.opt
        $(srcdir)/doc/avr-mmcu.texi
        (avr-mcus): New phony target to build them on request.
        (s-avr-mlib, s-avr-mmcu-texi): Remove.
        * avr/avr-mcus.def: Adjust comments.

2013-01-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (DEFAULT_PCC_STRUCT_RETURN): Remove.

2013-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * file-find.c, file-find.h, realmpfr.c: Add FSF as copyright holder.

2013-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/tilepro/gen-mul-tables.cc: Put copyright on one line.

2013-01-05  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/aix53.h (LIB_SPEC): Add -lpthreads when compiling
        to generate profiling.
        * config/rs6000/aix64.h (LIB_SPEC): Same.

2013-01-04  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64.c (aarch64_fixed_condition_code_regs):
        New function.
        (TARGET_FIXED_CONDITION_CODE_REGS): Define.

2013-01-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_legitimize_address): Call convert_to_mode
        unconditionally.
        (ix86_expand_move): Ditto.
        (ix86_zero_extend_to_Pmode): Ditto.
        (ix86_expand_call): Ditto.
        (ix86_expand_special_args_builtin): Ditto.
        (ix86_expand_builtin): Ditto.

2013-01-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55862
        * tree-ssa-pre.c (phi_translate_1): Valueize SSA names after
        translating them through PHI nodes.

2013-01-04  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/55755
        * tree-sra.c (sra_modify_assign): Do not check that an access has no
        children when trying to avoid producing a VIEW_CONVERT_EXPR.

2013-01-04  Marek Polacek  <polacek@redhat.com>

        PR middle-end/55859
        * opts.c (default_options_optimization): Clarify error message.

2013-01-04  Richard Biener  <rguenther@suse.de>

        PR middle-end/55863
        * fold-const.c (split_tree): Undo -X - 1 to ~X folding for
        reassociation.

2013-01-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/53789
        * config/pa/pa.md (movsi): Revert previous change.
        * config/pa/pa.c (pa_legitimate_constant_p): Reject all TLS symbol
        references.

2013-01-03  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_move): Always assign to op1
        after eliminating TLS symbols.

2013-01-03  Marc Glisse  <marc.glisse@inria.fr>

        PR bootstrap/50167
        * graphite-interchange.c (pdr_stride_in_loop): Use gmp_fprintf.
        * graphite-poly.c (debug_gmp_value): Likewise.

2013-01-03  Uros Bizjak  <ubizjak@gmail.com>

        PR target/55712
        * config/i386/i386-c.c (ix86_target_macros_internal): Depending on
        selected code model, define __code_mode_small__, __code_model_medium__,
        __code_model_large__, __code_model_32__ or __code_model_kernel__.
        * config/i386/cpuid.h (__cpuid, __cpuid_count) [__i386__]: Prefix
        xchg temporary register with %k.  Declare temporary register as
        early clobbered.
        [__x86_64__]: For medium and large code models, preserve %rbx register.

2013-01-03  Richard Biener  <rguenther@suse.de>

        * tree-data-ref.c (dump_conflict_function): Use less vertical spacing.
        (dump_subscript): Adjust.
        (finalize_ddr_dependent): Do not dump redundant info.
        (analyze_siv_subscript): Adjust.
        (subscript_dependence_tester): Likewise.
        (compute_affine_dependence): Likewise.

2013-01-03  Richard Biener  <rguenther@suse.de>

        Revert
        2013-01-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55857
        * tree-vect-stmts.c (vectorizable_load): Do not setup
        re-alignment for invariant loads.

        2013-01-02  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_load): When vectorizing an
        invariant load do not generate a vector load from the scalar location.

2013-01-03  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_analyze_loop_form): Clarify reason
        for not vectorizing.
        * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Do
        not build INDIRECT_REFs, call get_name once only.
        (vect_create_data_ref_ptr): Likewise.  Dump base object kind
        based on DR_BASE_OBJECT, not DR_BASE_ADDRESS.

2013-01-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55857
        * tree-vect-stmts.c (vectorizable_load): Do not setup
        re-alignment for invariant loads.

2013-01-03  Richard Biener  <rguenther@suse.de>

        PR lto/55848
        * lto-symtab.c (lto_symtab_merge_decls_1): As last resort, always
        prefer a built-in decl.

2013-01-03  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (process_command): Update copyright notice dates.
        * gcov.c (print_version): Likewise.
        * gcov-dump.c (print_version): Likewise.

        PR rtl-optimization/55838
        * loop-iv.c (iv_number_of_iterations): Call lowpart_subreg on
        iv0.step, iv1.step and step.

2013-01-03  Jakub Jelinek  <jakub@redhat.com>
            Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/55832
        * fold-const.c (fold_binary_loc): For ABS_EXPR<x> >= 0 and
        ABS_EXPR<x> < 0 folding use constant_boolean_node instead of
        integer_{one,zero}_node.

2013-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR debug/54402
        * params.def (PARAM_MAX_VARTRACK_REVERSE_OP_SIZE): New param.
        * var-tracking.c (reverse_op): Don't add reverse ops to
        VALUEs that have already
        PARAM_VALUE (PARAM_MAX_VARTRACK_REVERSE_OP_SIZE) or longer locs list.

2013-01-02  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi: Note years as release manager for Mark Mitchell.

2013-01-02  Teresa Johnson  <tejohnson@google.com>

        * dumpfile.c (dump_loc): Print filename with location.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Use
        new location_t parameter to emit complete unroll message with
        new dump framework.
        (canonicalize_loop_induction_variables): Compute loops location
        and pass to try_unroll_loop_completely.
        * loop-unroll.c (report_unroll_peel): New function.
        (peel_loops_completely): Use new dump format with location
        for main dumpfile message, and invoke report_unroll_peel on success.
        (decide_unrolling_and_peeling): Ditto.
        (decide_peel_once_rolling): Remove old dumpfile message subsumed
        by report_unroll_peel.
        (decide_peel_completely): Ditto.
        (decide_unroll_constant_iterations): Ditto.
        (decide_unroll_runtime_iterations): Ditto.
        (decide_peel_simple): Ditto.
        (decide_unroll_stupid): Ditto.
        * cfgloop.c (get_loop_location): New function.
        * cfgloop.h (get_loop_location): Declare.

2013-01-02  Sriraman Tallam  <tmsriram@google.com>

        * config/i386/i386.c (fold_builtin_cpu): Remove unnecessary checks for
        NULL.

2013-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/55198
        * expr.c (expand_expr_real_1): Don't use bitfield extraction for non
        BLKmode objects when EXPAND_MEMORY is specified.

2013-01-02  Sriraman Tallam  <tmsriram@google.com>

        * config/i386/i386.c (ix86_get_function_versions_dispatcher): Fix bug
        in loop predicate.
        (fold_builtin_cpu): Do not share cpu model decls across statements.

2013-01-02  Jason Merrill  <jason@redhat.com>

        PR c++/55804
        * tree.c (build_array_type_1): Revert earlier change.

2013-01-02  Yufeng Zhang  <yufeng.zhang@arm.com>

        * config/aarch64/aarch64-cores.def: Add entries for "cortex-a53" and
        "cortex-a57".
        * config/aarch64/aarch64-tune.md: Re-generate.

2013-01-02  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_load): When vectorizing an
        invariant load do not generate a vector load from the scalar location.

2013-01-02  Richard Biener  <rguenther@suse.de>

        PR bootstrap/55784
        * configure.ac: Add $GMPINC to CFLAGS/CXXFLAGS.
        * configure: Regenerate.

2013-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * builtins.c (expand_builtin_mathfn, expand_builtin_mathfn_2)
        (expand_builtin_mathfn_ternary, expand_builtin_mathfn_3)
        (expand_builtin_int_roundingfn_2): Keep the original target around
        for the fallback case.

2013-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * tree-vrp.c (range_fits_type_p): Require the MSB of the double_int
        to be clear for sign changes.

2013-01-01  Jan Hubicka  <jh@suse.cz>

        * ipa-inline-analysis.c: Fix formatting.

2013-01-01  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/55831
        * tree-vect-loop.c (get_initial_def_for_induction): Use
        gsi_after_labels instead of gsi_start_bb.
\f
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