Messages in this thread | | | Date | Tue, 30 Dec 2003 00:11:21 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] optimize ia32 memmove |
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Jeff Garzik <jgarzik@pobox.com> wrote: > > > "if dest is less that source, then call memcpy". If the move is to a > > higher address we do it the old way. > > > I'm confused... that doesn't say anything to me about overlap. >
Overlap is OK if dest<src, because memcpy starts with the lowest address and works upwards.
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