From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 00B3E3858C3A; Mon, 22 May 2023 14:53:54 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 00B3E3858C3A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1684767234; bh=FEF12/SBcFFsdnePz6zVvYzWOjVRtNIrMdf3CpsJ+TA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Nk3P/VM5b/BA7MsJbLjGDBXTlydnCK+vsnhNwWz0oVt2+kx/+EnqAjB6+1Yklk0Fm vdKLQn1vElT6+vLxG2+UwmerpHZhsXPKorRrWezSm9S/DUkcV2pY0Dvn2Su5PuJKvC jFGcfmJ/yscyC5C8EkSnc2sTlpS3wPZoUpvbO5BQ= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/109931] Knowledge on literal not used in optimization Date: Mon, 22 May 2023 14:53:53 +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: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED 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: 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=3D109931 --- Comment #4 from Andrew Pinski --- There is another bug about this. In this case we know that bit 5 is set for the range ['a','z'] .=