> > The only thing that you lose between -march=armv3m and -march=armv4 that
> > would be of value on a SA+RPC is ldrsb.  Given that adding this would only
> > have minimal affect on normal user code, there seems little point in
> > adding a special option just to work around the RPCs obsolete bus
> > architecture.
> 
> 	You mention user-code - would it have any benefit in kernel-code?
> 

The kernel is basically just another program... so no, I doubt it would 
have much impact there either.

R.