From owner-cvs-src@FreeBSD.ORG  Fri Apr  4 15:09:39 2003
Return-Path: <owner-cvs-src@FreeBSD.ORG>
Delivered-To: cvs-src@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 1060F37B401; Fri,  4 Apr 2003 15:09:39 -0800 (PST)
Received: from harmony.village.org (rover.bsdimp.com [204.144.255.66])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id E7A5643FA3; Fri,  4 Apr 2003 15:09:36 -0800 (PST)
	(envelope-from imp@bsdimp.com)
Received: from localhost (warner@rover2.village.org [10.0.0.1])
	by harmony.village.org (8.12.8/8.12.3) with ESMTP id h34N9MA7068407;
	Fri, 4 Apr 2003 16:09:22 -0700 (MST)
	(envelope-from imp@bsdimp.com)
Date: Fri, 04 Apr 2003 16:08:23 -0700 (MST)
Message-Id: <20030404.160823.91026001.imp@bsdimp.com>
To: ru@FreeBSD.org
From: "M. Warner Losh" <imp@bsdimp.com>
In-Reply-To: <20030404085200.GA1765@sunbay.com>
References: <Pine.BSF.4.21.0304031545540.15187-100000@root.org>
	<20030403184229.D18209@espresso.bsdmike.org>
	<20030404085200.GA1765@sunbay.com>
X-Mailer: Mew version 2.1 on Emacs 21.2 / Mule 5.0 (SAKAKI)
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
cc: obrien@FreeBSD.org
cc: phk@FreeBSD.org
cc: src-committers@FreeBSD.org
cc: nate@root.org
cc: cvs-src@FreeBSD.org
cc: cvs-all@FreeBSD.org
cc: mike@FreeBSD.org
Subject: Re: cvs commit: src/sys/sys endian.h src/share/man/man9 byteorder.9
X-BeenThere: cvs-src@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: CVS commit messages for the src tree <cvs-src.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>,
	<mailto:cvs-src-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/cvs-src>
List-Post: <mailto:cvs-src@freebsd.org>
List-Help: <mailto:cvs-src-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>,
	<mailto:cvs-src-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 04 Apr 2003 23:09:39 -0000

In message: <20030404085200.GA1765@sunbay.com>
            Ruslan Ermilov <ru@FreeBSD.org> writes:
: +#define	BSWAP64(x)	(uint64_t) \
: +	(((x) >> 56) | (((x) >> 40) & 0xff00) | (((x) >> 24) & 0xff0000) | \
: +	(((x) >> 8) & 0xff000000) | (((x) << 8) & ((uint64_t)0xff << 32)) | \
: +	(((x) << 24) & ((uint64_t)0xff << 40)) | \
: +	(((x) << 40) & ((uint64_t)0xff << 48)) | (((x) << 56)))

0xffull or 0xffULL might be better than the casts here.  This does
assume that 0ull == (uint64_t)0, which does hold for all our
architectures...

Warner