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[Bug gas/23665] Invalid -mavxscalar=256 encoding

From: cvs-commit at gcc dot gnu.org
Subject: [Bug gas/23665] Invalid -mavxscalar=256 encoding
Date: Mon, 17 Sep 2018 16:32:13 +0000


--- Comment #4 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>:


commit d5f787c2bc90793c1d781b7291758e77067daad5
Author: H.J. Lu <address@hidden>
Date:   Mon Sep 17 09:31:07 2018 -0700

    x86: Set Vex=1 on VEX.128 only vmovd and vmovq

    AVX "VMOVD xmm1, r32/m32", "VMOVD r32/m32, xmm2", "VMOVQ xmm1, r64/m64"
    and "VMOVD r64/m64, xmm2" can only be encoded with VEX.128.  Set Vex=1
    on VEX.128 only vmovd and vmovq.


        PR gas/23665
        * testsuite/gas/i386/avx-scalar.s: Remove vmovq and vmovd tests.
        * testsuite/gas/i386/x86-64-avx-scalar.s: Likewise.
        * testsuite/gas/i386/avx-scalar-intel.d: Updated.
        * testsuite/gas/i386/avx-scalar.d: Likewise.
        * testsuite/gas/i386/x86-64-avx-scalar-intel.d: Likewise.
        * testsuite/gas/i386/x86-64-avx-scalar.d: Likewise.
        * testsuite/gas/i386/i386.exp: Run avx-scalar2 and
        * testsuite/gas/i386/avx-scalar-2.d: New file.
        * testsuite/gas/i386/avx-scalar-2.s: Likewise.
        * testsuite/gas/i386/x86-64-avx-scalar-2.d: Likewise.
        * testsuite/gas/i386/x86-64-avx-scalar-2.s: Likewise.


        PR gas/23665
        * i386-dis.c (vex_len_table): Update VEX_LEN_0F6E_P_2 and
        VEX_LEN_0F7E_P_2 entries.
        * i386-opc.tbl: Set Vex=1 on VEX.128 only vmovd and vmovq.
        * i386-tbl.h: Regenerated.

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