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 744083858C62; Tue, 21 Nov 2023 00:34:54 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 744083858C62
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1700526894;
	bh=a9uREiOLtmiua4SB5C7/oqjEjafR7Psw2mYVeByoncA=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=x3GWN15sjoaxTr8d/geGjjRRqLdmUK0TtuHxKd0nQV9ndh9GjB0Mw9NhTMxSSP4Bn
	 bOGDoT/+LKt1wfqoi6SyxU/xvT3Me6pxACvM3N1UQDrI/L6CLyxiNSQMTXqF+VEokT
	 jtAVWQqZ1oloFGcVHtUvTAfxCzEP0sfLlHNn4uSo=
From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/112325] Missed vectorization of reduction
 after unrolling
Date: Tue, 21 Nov 2023 00:34:52 +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: 14.0
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: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-112325-4-SOqxLUfLtu@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-112325-4@http.gcc.gnu.org/bugzilla/>
References: <bug-112325-4@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
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112325

--- Comment #8 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:e5e305e6048c042139037378fe6abfad5735b54f

commit r14-5632-ge5e305e6048c042139037378fe6abfad5735b54f
Author: liuhongt <hongtao.liu@intel.com>
Date:   Fri Nov 17 08:45:47 2023 +0800

    Support reduc_{and,ior,xor}_scal_m for V4HI/V8QI/V4QImode

    gcc/ChangeLog:

            PR target/112325
            * config/i386/i386-expand.cc (emit_reduc_half): Hanlde
            V8QImode.
            * config/i386/mmx.md (reduc_<code>_scal_<mode>): New expander.
            (reduc_<code>_scal_v4qi): Ditto.

    gcc/testsuite/ChangeLog:

            * gcc.target/i386/pr112325-mmx-1.c: New test.=