From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 916BC38582A3; Sat, 4 Mar 2023 12:22:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 916BC38582A3 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1677932571; bh=Coe9IYUqPEz1ZiwXIMy4CHHDgYGGIyjplB357Sale1g=; h=From:To:Subject:Date:In-Reply-To:References:From; b=PrAbRGJl8KKlRBN25Vi8IB7HXWtayemHIwXOC3q+kohnwutT+fbeDeO2SoKunOJQN PKEXG4v33ArVUtDfmi/hbcs11B3J+wT7wa8XyEDNiPjJx0p9Q/tJciCLuqxb5EMxJ2 U9kwod9cGIAHQQbNYMdy3B4ErtyKsP7NOPbaIu1g= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/109011] missed optimization in presence of __builtin_ctz Date: Sat, 04 Mar 2023 12:22:51 +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: 12.2.1 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: jakub at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: assigned_to 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=3D109011 Jakub Jelinek changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gn= u.org --- Comment #8 from Jakub Jelinek --- And, similarly to the fallback for ctz there should be fallback for ffs. I'll handle this for GCC 14.=