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 772F83858D28; Fri, 22 Sep 2023 18:55:36 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 772F83858D28
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1695408936;
	bh=cDBmMoba3gf6+u0H6ecY8fy/7pCqmr19/jypjC0+rRM=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=aFZs5SCLQxYDif4SljUndOp6t9+U8q/SrBYGz0RP8VSKU574pROzXhIVNnH0xdpaG
	 lZITRKoPlP9KNlOQ2XuHhc++JIakZmXCVDLXSaIyqZlvg2HgGOMq/D4Y7JL5TD02EU
	 UHOIP0bvz/68AXZsfhGEz+4Dy/+q5n+onkZ1MCtE=
From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/111542] [11/12/13/14 Regression]
 (a==0)&(b==0) into `(a|b) == 0` optimization sometimes gets in the way of
 other optimizations
Date: Fri, 22 Sep 2023 18:55:36 +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: pinskia at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: pinskia at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 14.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: target_milestone short_desc cf_known_to_fail
 cf_known_to_work
Message-ID: <bug-111542-4-NV6xPrl7V1@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-111542-4@http.gcc.gnu.org/bugzilla/>
References: <bug-111542-4@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=3D111542

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |14.0
            Summary|[11/12/13/14 Regression]    |[11/12/13/14 Regression]
                   |                            |(a=3D=3D0)&(b=3D=3D0) into=
 `(a|b)
                   |                            |=3D=3D 0` optimization
                   |                            |sometimes gets in the way
                   |                            |of other optimizations
      Known to fail|                            |7.1.0
      Known to work|                            |6.1.0=