x86 update

[Stephen Weeks]

> Well, I've been enjoying the discussion.  Anyways, here's the updated
> files:
> 
> bin.tgz: /bin
>  -> not really for the distribution, just a collection of scripts that
>     run the x86backend since I still haven't been able to modify the
>     front-end to expect .s files being generated

You did not attach bin.tgz.  Could you send it.  I've incorporated the rest of
your stuff (very easy, thanks) and am ready to start testing.