From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C8F193858400; Thu, 10 Feb 2022 09:33:08 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C8F193858400 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/24021] VRP does not work with floating points Date: Thu, 10 Feb 2022 09:33:07 +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: 4.1.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Feb 2022 09:33:08 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D24021 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- CC|richard.guenther at gmail dot com |rguenth at gcc dot = gnu.org --- Comment #15 from Richard Biener --- I think that for match.pd we should rely mostly on global ranges which means extending SSA name ranges for floats. Indeed I think the most important parts will be tracking whether values can be NaNs, Infs or whether they are known to be negative, positive or zero.=