builtin_bswap plus enhancements

[Falk Hueffner]

Eric Christopher <echristo@apple.com> writes:

> Here's the original patch with changes from bswap[,l,ll] to
> bswap[32,64], plus enhancements from both Falk and I including docs
> and more tests. I know you already approved the first, but I figured
> I'd go ahead and incorporate some of Falk's work and get it reapproved
> before 4.3. I'll be working on ppc support for it at some point as
> well.
>
> Falk: I don't have an alpha machine to test the alpha support so if
> you'd like to include that can you rework that part of your patch?

OK, will do as soon as you have committed.

-- 
	Falk