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 169353858407; Fri,  1 Sep 2023 03:24:52 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 169353858407
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1693538692;
	bh=WFNIqd8qIIGaH1LXtZGa6OwitRlleWa066oreuSgmNo=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=JZR+eKhTJAMO86rEG/ykZi8aezdaqe4B7C37zn2+cGfxC+JBSKjv/FVLd55WLA5rs
	 XiJHargFkl7TjJwQF2CiAgn1f9fyK3iLqc9lt1SHavHCnwl+DJxsGf5/eij+7UKa09
	 tX3gJpPm7IEo0vxgkhIoqcq0uYHzDMeSSeLn7XDo=
From: "lehua.ding at rivai dot ai" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/111232] RISC-V: Failed to combine vwmul + vadd into
 vwmacc
Date: Fri, 01 Sep 2023 03:24:47 +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: 14.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: normal
X-Bugzilla-Who: lehua.ding at rivai dot ai
X-Bugzilla-Status: UNCONFIRMED
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-111232-4-bz29pGP9z5@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-111232-4@http.gcc.gnu.org/bugzilla/>
References: <bug-111232-4@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=3D111232

--- Comment #1 from Lehua Ding <lehua.ding at rivai dot ai> ---
reproduce on compiler explorer: https://godbolt.org/z/Mq3bzajn6=