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 93CBF385D0D7; Fri, 28 Oct 2022 09:11:31 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 93CBF385D0D7
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1666948291;
	bh=d/eXuXUBnaeGIQ5me4Hs+cYhmJZCBqUgiPxjxuwO+9A=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=x5n55MVRgqdH/asU7DLA5qDid+mAl2kM1jJLDYwHv/9F/07Ii4qmQscW+ffexJtLn
	 KS6BPVilgcaT2ZY6Stnu1jAUSmNc+32kUg8uhfuCQQ+Z0hG9T+x8xcwmmxAf6Z+MLR
	 xOuzybwchRvu4u5xlTPIGZf7SCosYrEKoFkIzYIU=
From: "roger at nextmovesoftware dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/107172] [13 Regression] wrong code with "-O1 -ftree-vrp"
 on x86_64-linux-gnu since r13-1268-g8c99e307b20c502e
Date: Fri, 28 Oct 2022 09:11:27 +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: 13.0
X-Bugzilla-Keywords: wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: roger at nextmovesoftware dot com
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P1
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 13.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-107172-4-m0ghQvtQbK@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-107172-4@http.gcc.gnu.org/bugzilla/>
References: <bug-107172-4@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=3D107172

--- Comment #47 from Roger Sayle <roger at nextmovesoftware dot com> ---
I really don't believe that using UNSPEC here is the correct way to go, but=
 it
appears to be the (only?) approach that Segher is prepared to approve.  Hoh=
um.=