From: tom burgess <tburgess AT drao DOT nrc DOT ca>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: asm xor problems
Date: Sun, 05 Oct 1997 01:09:42 -0700
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Arthur Bredrick wrote:
> 
> Thanks.  Would "and memory, 0" be any faster than using mov?  I don't really
> know what takes the cpu longer to execute, or even if one would take any
> longer than the other at all.  But if there is even a tiny difference in
> speed, I would like to know.
> 
> Thanks again,
> Art

mem = mem & 0 requires both a read and write to memory, whereas
mem = 0 just requires a write. Logically, the second should be faster,
though the only way to know for sure is to benchmark your code.

	regards, tom