Add some more exotic primitive ops, ffs,clz,ctz,byteswap,popcount,parity.
Add some more exotic primitive ops, ffs,clz,ctz,byteswap,popcount,parity.

Ignore-this: b61b1c08db35ccad33f24536b99913df

darcs-hash:20120209070848-1a7c6-a83c329ce49fd101244c83f2a879b804cc6ccbe1

jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc