[RFC] Tests for vector types?

[Aldy Hernandez]

> > i have some patches i'm polishing up to provide just that-- any
> > SIMD type (say V4SI) regardless of if the hardware supports it.  this
> > will make it easier to write generic tests.
> 
> That's what I mean -- I'm thinking, support for the vector type
> really has nothing to do with the architecture.  The vector type
> is just an array that is passed by value, rather than by reference.
> You don't have to have a special register to do that.

give me a week or two.  the patches are done but need documentation.

aldy