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 AD5403858002; Fri, 11 Feb 2022 07:48:18 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AD5403858002
From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/104479] [12 Regression] cond_op is combined
 without considering single_use
Date: Fri, 11 Feb 2022 07:48:18 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 12.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: normal
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: 12.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-104479-4-DvqSPfzknm@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-104479-4@http.gcc.gnu.org/bugzilla/>
References: <bug-104479-4@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: Fri, 11 Feb 2022 07:48:18 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104479

--- Comment #4 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:165947fecf4d78c7effb0f1ee15e6942d8dce4ea

commit r12-7193-g165947fecf4d78c7effb0f1ee15e6942d8dce4ea
Author: liuhongt <hongtao.liu@intel.com>
Date:   Thu Feb 10 15:42:13 2022 +0800

    Add single_use to simplification (uncond_op + vec_cond -> cond_op).

    gcc/ChangeLog:

            PR tree-optimization/104479
            * match.pd (uncond_op + vec_cond -> cond_op): Add single_use
            for the dest of uncond_op.

    gcc/testsuite/ChangeLog:

            * gcc.target/i386/pr104479.c: New test.
            * gcc.target/i386/cond_op_shift_w-1.c: Adjust testcase.=