[PATCH 1/2] Document HLE / RTM intrinsics

[Andi Kleen]

> I think (somewhere else) we agreed to only document intrinsics,
> not the __builtin_ia32_ variants (they are an implementation detail).

They are all (poorly) documented.

I didn't really document them, just list them.

> Yes, we're not consistent with that, but we do miss a lot of
> documentation for these kind of builtins.  I suppose we also do not
> document all intrinsics either (though that's desired, as we provide
> those headers - even manpages would be nice for them I suppose).

It would be nice if gcc had proper documentation for all the
<xxxintrin.h> functions. But that's a lot of work.

But I would like to have TSX properly documented at least.

-Andi