"big" integer constants

[DJ Delorie]

> To be honest, I suspect much more than this doesn't work on 16 bit 
> targets, but sure in principle we can change that. Let's ask Ed if he is 
> willing to spend again time on this old work of him... (imho, all those 
> hard coded iteration numbers don't really look right in the first place, 
> just imho)

Yeah, normally I would just say "don't use those" but in this case,
gcc is giving an ICE for each of those, since it can't convert the
integer to a suitable constant.

I suspect there's still something in my port that needs work, but
those seemed like arbitrary numbers anyway ;-)