Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!uw-beaver!microsoft!w-colinp
From: w-colinp@microsoft.UUCP (Colin Plumb)
Newsgroups: comp.arch
Subject: Re: Endian wars
Message-ID: <38@microsoft.UUCP>
Date: 31 Jan 89 22:02:57 GMT
References: <6133@columbia.edu> <5124@aldebaran.UUCP> <7@microsoft.UUCP> <213@nbires.nbi.com>
Reply-To: w-colinp@microsoft.uucp (Colin Plumb)
Distribution: na
Organization: very little
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maa@nbires.UUCP (Mark Armbrust) wrote:
> Seems to me that the following would be a bit faster: 
> 
> @:	lodsd				5 clocks to execute
> 	mov	ebx, eax		2
> 	shr	ebx, 16			3
> 	and	ax, bx			3
> 	and	al, ah			3
> 	loopnz	@			12 (28 clocks/13 bytes)

But won't work.  Consider "\1\2\4\8".

BTW, Microsoft uses leading-count strings extensively.  I'm not so sure about
the 255-character limit the byte count imposes, but the arbitrary contents
are nice, and people who've never used Real Software don't seem to notice.
(Quick: who's run into Unix's 10K command-line limit?)
-- 
	-Colin (uunet!microsof!w-colinp)