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[Bug gas/24348] GNU (g)as is confusing about vmovdqu mnemonics

From: cvs-commit at gcc dot gnu.org
Subject: [Bug gas/24348] GNU (g)as is confusing about vmovdqu mnemonics
Date: Mon, 18 Mar 2019 00:59:45 +0000


--- Comment #2 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 97ed31ae00ea83410f9daf61ece8a606044af365
Author: H.J. Lu <address@hidden>
Date:   Mon Mar 18 08:56:10 2019 +0800

    x86: Optimize EVEX vector load/store instructions

    When there is no write mask, we can encode lower 16 128-bit/256-bit
    EVEX vector register load and store instructions as VEX vector register
    load and store instructions with -O1.


        PR gas/24348
        * config/tc-i386.c (optimize_encoding): Encode 128-bit and
        256-bit EVEX vector register load/store instructions as VEX
        vector register load/store instructions for -O1.
        * doc/c-i386.texi: Update -O1 documentation.
        * testsuite/gas/i386/i386.exp: Run PR gas/24348 tests.
        * testsuite/gas/i386/optimize-1.s: Add tests for EVEX vector
        load/store instructions.
        * testsuite/gas/i386/optimize-2.s: Likewise.
        * testsuite/gas/i386/optimize-3.s: Likewise.
        * testsuite/gas/i386/optimize-5.s: Likewise.
        * testsuite/gas/i386/x86-64-optimize-2.s: Likewise.
        * testsuite/gas/i386/x86-64-optimize-3.s: Likewise.
        * testsuite/gas/i386/x86-64-optimize-4.s: Likewise.
        * testsuite/gas/i386/x86-64-optimize-5.s: Likewise.
        * testsuite/gas/i386/x86-64-optimize-6.s: Likewise.
        * testsuite/gas/i386/optimize-1.d: Updated.
        * testsuite/gas/i386/optimize-2.d: Likewise.
        * testsuite/gas/i386/optimize-3.d: Likewise.
        * testsuite/gas/i386/optimize-4.d: Likewise.
        * testsuite/gas/i386/optimize-5.d: Likewise.
        * testsuite/gas/i386/x86-64-optimize-2.d: Likewise.
        * testsuite/gas/i386/x86-64-optimize-3.d: Likewise.
        * testsuite/gas/i386/x86-64-optimize-4.d: Likewise.
        * testsuite/gas/i386/x86-64-optimize-5.d: Likewise.
        * testsuite/gas/i386/x86-64-optimize-6.d: Likewise.
        * testsuite/gas/i386/optimize-7.d: New file.
        * testsuite/gas/i386/optimize-7.s: Likewise.
        * testsuite/gas/i386/x86-64-optimize-8.d: Likewise.
        * testsuite/gas/i386/x86-64-optimize-8.s: Likewise.


        PR gas/24348
        * i386-opc.tbl: Add Optimize to vmovdqa32, vmovdqa64, vmovdqu8,
        vmovdqu16, vmovdqu32 and vmovdqu64.
        * i386-tbl.h: Regenerated.

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