From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id B6DEF3858C50; Thu, 9 Feb 2023 07:34:31 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B6DEF3858C50 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1675928071; bh=d69Xd5mv4iAN2uCq5B9CqxcqxU+iezKDPN6Xb+2agvY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=tM513Dmp9J+jZ0uyZYf7VAx3qBKfkj3H/FWKR3pYibGSpbwxp+fFXfzI6hyCXr4yn KvJcslfMUWI0dpsO98geJ5tMS+LqQp+IjV4HpAHaXAd6UJVbuHv5To9zCdvdBdq1KB B1EhpymMqEzpAmU28kpCHVNFjUGAtpELUATh2vXc= From: "tkoenig at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/108710] Recognizing "rounding down to the nearest power of two" Date: Thu, 09 Feb 2023 07:34:31 +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: 13.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: tkoenig 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=3D108710 --- Comment #1 from Thomas Koenig --- Actually, register allocation is OK for an architecture with destructive sh= ifts only.=