Re: [PATCH] optimize ia32 memmove

[Andrew Morton]

Jeff Garzik <jgarzik@xxxxxxxxx> 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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