> > UNWIND_LOOPS
> > NO_ICACHE
> > SLOW_BRANCHES
> > 
> > with probably a mild preference for the first of those.
> 
> I think if you're going to do this, those should be preceeded by
> something that obviously indicates that they're arch-dependent.

There's no real reason why such a flag has to be machine-specific, but 
I've no real problem with sticking ARM_ infront.

> (btw: unwind?  i'm more used to the term 'unroll'... I think unwind
> for stack frames, unroll for loops...  8-)

Yeah, Yeah.  Long day, end thereof...

R.