[patch/in] Add some more vector types

[Andrew Cagney]

>> Date: Sat, 10 Aug 2002 01:11:54 -0400
>> From: Andrew Cagney <ac131313@ges.redhat.com>
>> 
>> This adds two more builtin vector types:
>> 	vec64
>> 	vec64i (integer only)
>> It also sets the missing vector bit on the existing 128 bit types.
> 
> 
> How about some docs?

I don't think these specific builtin types need to be documented.

However, yes, we do need more generic documentation explaining how types 
and vectors hang together.

Andrew