From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id EE4F4385414D; Wed, 24 Aug 2022 15:02:57 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org EE4F4385414D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1661353377; bh=nFkjTL67pg1Uh5P6A6uvFeI6ZPkPqqy86xp6BZmP6DI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=pta8R2KzCTsb9ELegh8pbyOhSShOfgnf3VXn3e23rwRQuS3ru8uxYd0K/iA6JUQrx Rgc5l0TYZ5T/7/GLc6pMWKS9lCFWecxZ8S/U88qMIzObUEcF3AP9OIuZHUgsbTDrU1 wrsU1q8Rbbnl5rwvqvTJDj2Lkls9g1Uqm3AIDPMw= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/91213] Missed optimization: (sub X Y) -> (xor X Y) when Y <= X and isPowerOf2(X + 1) Date: Wed, 24 Aug 2022 15:02:57 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 10.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: pinskia at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: 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: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D91213 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jens.seifert at de dot ibm= .com --- Comment #4 from Andrew Pinski --- *** Bug 106701 has been marked as a duplicate of this bug. ***=