[PATCH] Document Sparc64 configuration

[Rainer Orth]

Eric Botcazou writes:

> > If we really are going to retain sparc64-sun-solaris2*, I'd still prefer
> > to have the real documentation with the sparcv9-sun-solaris2* name, and
> > mention sparc64-sun-solaris2* only as an alias.
> 
> Given that we're going to remove sparcv9-*-* from mainline, I think my 
> proposed solution is better.

I really dislike this: Richard, do you still think this is a good idea
given my objections raised in this thread:

	http://gcc.gnu.org/ml/gcc/2003-03/msg01762.html

> Neither mine nor yours according to the SPARC Architecture Manual: it should 
> be SPARC-V9.

Fine, that's certainly the final word on this issue :-)

	Rainer