[PATCH] sh4: use optimized asm version of memcpy - add config option to support backward copying

[Paul Mundt]

On Mon, May 28, 2007 at 02:44:47PM +0200, Carmelo Amoroso wrote:
> >I've updated the previous patch to keep into account both suggestions 
> >made by Mike and Paul.
> >A brief explanation of the changes follows:
> >
> did you have time to look at this ?
> 
> If accepted, may reduce a bit the diff from sh4 port and trunk.
> This ode is currently used on nptl/sh4 port.
> 
The updated version looks fine to me.