From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id B9EDF3858D1E; Mon, 9 Oct 2023 19:37:08 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B9EDF3858D1E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1696880228; bh=j5DolkzPmPX0EupKkZqJP+0kjltei1AfFqXTPwP7oQY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=RmA0etumYPA3b5slEWbVMX4AIHD5UviaCzzHPXSz3npv1FOcFZC/06G/i7MhbiP4G vw4N732Ps8BUWtE3hZ+9+16N4jFSD1aTnQT/z90PlziVD8nmGxyePWBROi8rljOC+6 sQjP7Yb2raFdp5CZbsjZuUQnLfRz1UDiHia+qVA8= From: "amacleod at redhat dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/111694] [13/14 Regression] Wrong behavior for signbit of negative zero when optimizing Date: Mon, 09 Oct 2023 19:37:08 +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: 13.2.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: amacleod at redhat dot com X-Bugzilla-Status: REOPENED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 13.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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=3D111694 --- Comment #9 from Andrew Macleod --- (In reply to Andrew Macleod from comment #8) > (In reply to Alexander Monakov from comment #7) > > No backport for gcc-13 planned? >=20 > mmm, didn't realize were we propagating floating point equivalences around > in 13. similar patch should work there Testing same patch on gcc13. will let it settle on trunk for a day or two first, then check it in if nothing shows up. which it shouldn't :-)=