From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A071538493D5; Tue, 10 Jan 2023 14:42:30 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A071538493D5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1673361750; bh=PN6z6Aa0SgH5oH3vSxMmG1VXjWlmOf/DX8xdT72t93Y=; h=From:To:Subject:Date:In-Reply-To:References:From; b=k3Quw/KL0kjGaKUGGp2V4RuOZbZFAyH/qLaCUOH11ska4rtHIJ8Ip+aJdCl5rDtBT +7T8LYIPIdczaGXIezujaZ/1aKQq9/6apBzgcrPOFJCkzAPNarz+P7btJ5xSqQlLgr TeuJoOZMjNlRaxZDWVhIC1KQ0LqN4ZRnd4d6Jvx8= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/107608] [13 Regression] Failure on fold-overflow-1.c and pr95115.c Date: Tue, 10 Jan 2023 14:42:30 +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: 13.0 X-Bugzilla-Keywords: missed-optimization, wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org 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: 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=3D107608 --- Comment #25 from Jakub Jelinek --- (In reply to Aldy Hernandez from comment #22) > Note that we currently can't represent +-inf or +-max, as we only have two > endpoints. So that would just be represented as VARYING. By +-inf I meant either [+inf, +inf] or [-inf, -inf], sorry for the shortha= nd. Sure, if we don't know if it is positive or negative infinity, right now it will be VARYING or close to VARYING and so nothing close to singleton.=