Prototype libatomic

[Tobias Burnus]

Richard Henderson wrote:
> So, I've got something put together.  I think it should be fairly scalable.
[...]
> Comments welcome.  Andrew, didn't you say you had some code as well, but
> didn't want to argue with autofoo?

I think Andrew's version is attached to
  http://gcc.gnu.org/wiki/Atomic/GCCMM

Namely:
  http://gcc.gnu.org/wiki/Atomic/GCCMM?action=AttachFile&do=view&target=libatomic.c

Tobias