From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 074AC3858D28; Tue, 29 Aug 2023 08:10:55 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 074AC3858D28 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1693296655; bh=tz3AMnXDes0ibAiPDp3xFSWVV3BEJSjqV/mLko1VGpA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=TDlG/QzeOVyKQWvwov08pl/V3Vn2vjMwcA+R4uRpPVpfZitElipCNNa+ra7Y0ABDW mGpNGazSitHiryPJe+I6ncvEqBtEXK05kTX3dfDuS+CtJeNhP2/NSUHSQ4HemieVPL FWlp80tECDvx1pjuqprEaz17vG0armOJv6icf3kE= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/110111] bool patterns that should produce a?b:c Date: Tue, 29 Aug 2023 08:10:54 +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: 14.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: pinskia at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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=3D110111 --- Comment #4 from Andrew Pinski --- >/* 1bit `((x ^ y) & m) ^ x` should just be convert into `m ? y : x` early = */ Actually it is true for all zero_one_valued_p. Even more if m is just zere_one_valued_p we could convert it to (m ? y : x) & 1=