From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A72313858C52; Fri, 19 May 2023 20:12:07 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A72313858C52 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1684527127; bh=FkObtUE8t43rL9NRFfbSNQEN+iYoJ+gvRx1HFdpsYNA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=fWTfXpVSC9EM2wnDdRpONOvrliyD8Y4dx1LA5XRttstJt5MRZ7g/4WuXFaxRckiSg DDI0XAWu0TDs8Kab11i5ATVCORPwflaISQbBfqNg3h3B/vUxyJ8jU8rd5wdQPEVbiP +X+3Qtknud3ZlM3v0+PsC3p0UJJLVTyT75IBBWB0= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/109907] Missed optimization for bit extraction (uses shift instead of single bit-test) Date: Fri, 19 May 2023 20:12:07 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal 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: 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109907 --- Comment #5 from Andrew Pinski --- Created attachment 55121 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D55121&action=3Dedit patch set here is the patch set that improves cset_32bit30_not . I am still looking i= nto improving the other one.=