Date: Fri, 4 Apr 2003 17:51:59 -0800 (PST) From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 28107 for review Message-ID: <200304050151.h351pxXS090777@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=28107 Change 28107 by peter@peter_daintree on 2003/04/04 17:50:57 note that we have a 64 bit bswap instruction, but dont do it yet. Affected files ... .. //depot/projects/hammer/sys/x86_64/include/endian.h#4 edit Differences ... ==== //depot/projects/hammer/sys/x86_64/include/endian.h#4 (text+ko) ==== @@ -89,6 +89,7 @@ static __inline __uint64_t __bswap64(__uint64_t _x) { + /* XXX we have a 64 bit variation of the bswap instruction now */ return ((_x >> 56) | ((_x >> 40) & 0xff00) | ((_x >> 24) & 0xff0000) | ((_x >> 8) & 0xff000000) | ((_x << 8) & ((__uint64_t)0xff << 32)) | ((_x << 24) & ((__uint64_t)0xff << 40)) |home | help
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