From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 50FD13858406; Wed, 5 Jan 2022 03:33:34 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 50FD13858406 From: "zhaoweiliew at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/95424] Failure to optimize division with numerator of 1 Date: Wed, 05 Jan 2022 03:33:34 +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: 11.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: zhaoweiliew at gmail dot com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.isobsolete attachments.created 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: Wed, 05 Jan 2022 03:33:34 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95424 Zhao Wei Liew changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #52098|0 |1 is obsolete| | --- Comment #6 from Zhao Wei Liew --- Created attachment 52126 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D52126&action=3Dedit Optimize 1 / X for integer X Here's a new patch along with test cases.=