[Bug gas/23642] Wrong encoding with -mevexwig=1

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=23642

--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by H.J. Lu <address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6865c0435a54e6d5f1fcc5cdcd56895e9a3c5484

commit 6865c0435a54e6d5f1fcc5cdcd56895e9a3c5484
Author: H.J. Lu <address@hidden>
Date:   Fri Sep 14 12:19:58 2018 -0700

    x86: Support VEX/EVEX WIG encoding

    Add VEXWIG, defined as 3, to indicate that the VEX.W/EVEX.W bit is
    ignored by such VEX/EVEX instructions, aka WIG instructions.  Set
    VexW=3 on VEX/EVEX WIG instructions.  Update assembler to check
    VEXWIG when setting the VEX.W bit.

    gas/

        PR gas/23642
        * config/tc-i386.c (build_vex_prefix): Check VEXWIG when setting
        the VEX.W bit.
        (build_evex_prefix): Check VEXWIG when setting the EVEX.W bit.

    opcodes/

        PR gas/23642
        * i386-opc.h (VEXWIG): New.
        * i386-opc.tbl: Set VexW=3 on VEX/EVEX WIG instructions.
        * i386-tbl.h: Regenerated.

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