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[Bug gas/25516] gas no longer accepts sysenter/sysexit with no -m flag.

From: cvs-commit at gcc dot gnu.org
Subject: [Bug gas/25516] gas no longer accepts sysenter/sysexit with no -m flag.
Date: Mon, 10 Feb 2020 16:53:23 +0000


--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The binutils-2_34-branch branch has been updated by H.J. Lu


commit 924adcb1d4836a08b254404350220b67332e7647
Author: H.J. Lu <address@hidden>
Date:   Mon Feb 10 08:37:22 2020 -0800

    x86: Accept Intel64 only instruction by default

    Commit d835a58baae720 disabled sysenter/sysenter in 64-bit mode by
    default.  By default, assembler should accept common, Intel64 only
    and AMD64 ISAs since there are no conflicts.


        PR gas/25516
        * config/tc-i386.c (intel64): Renamed to ...
        (isa64): This.
        (match_template): Accept Intel64 only instruction by default.
        (i386_displacement): Updated.
        (md_parse_option): Updated.
        * c-i386.texi: Update -mamd64/-mintel64 documentation.
        * testsuite/gas/i386/i386.exp: Run x86-64-sysenter.  Pass
        -mamd64 to x86-64-sysenter-amd.
        * testsuite/gas/i386/x86-64-sysenter.d: New file.


        PR gas/25516
        * i386-gen.c (opcode_modifiers): Replace AMD64 and Intel64
        with ISA64.
        * i386-opc.h (AMD64): Removed.
        (Intel64): Likewose.
        (AMD64): New.
        (INTEL64): Likewise.
        (INTEL64ONLY): Likewise.
        (i386_opcode_modifier): Replace amd64 and intel64 with isa64.
        * i386-opc.tbl (Amd64): New.
        (Intel64): Likewise.
        (Intel64Only): Likewise.
        Replace AMD64 with Amd64.  Update sysenter/sysenter with
        Cpu64 and Intel64Only.  Remove AMD64 from sysenter/sysenter.
        * i386-tbl.h: Regenerated.

    (cherry picked from commit 4b5aaf5f6992319c2c72e080a1a55842640b8732)

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