From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
 id 9FC7B389200E; Wed, 12 May 2021 11:44:50 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9FC7B389200E
From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/99908] SIMD: negating logical + if_else has a suboptimal
 codegen.
Date: Wed, 12 May 2021 11:44:50 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 11.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: enhancement
X-Bugzilla-Who: cvs-commit at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-99908-4-HXWltdnG56@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-99908-4@http.gcc.gnu.org/bugzilla/>
References: <bug-99908-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Wed, 12 May 2021 11:44:50 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99908

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by hongtao Liu <liuhongt@gcc.gnu.org>:

https://gcc.gnu.org/g:8da3b309d8fb3ddec0b42218ca6762967b402dc3

commit r12-746-g8da3b309d8fb3ddec0b42218ca6762967b402dc3
Author: liuhongt <hongtao.liu@intel.com>
Date:   Wed Apr 7 09:58:54 2021 +0800

    i386: Optimize vpblendvb on inverted mask register to vpblendvb on swap=
ping
the order of operand 1 and operand 2. [PR target/99908]

    -       vpcmpeqd        %ymm3, %ymm3, %ymm3
    -       vpandn  %ymm3, %ymm2, %ymm2
    -       vpblendvb       %ymm2, %ymm1, %ymm0, %ymm0
    +       vpblendvb       %ymm2, %ymm0, %ymm1, %ymm0

    gcc/ChangeLog:

            PR target/99908
            * config/i386/sse.md (<sse4_1_avx2>_pblendvb): Add
            splitters for pblendvb of NOT mask register.

    gcc/testsuite/ChangeLog:

            PR target/99908
            * gcc.target/i386/avx2-pr99908.c: New test.
            * gcc.target/i386/sse4_1-pr99908.c: New test.=