VIS2 pattern review

[David Miller]

From: Eric Botcazou <ebotcazou@adacore.com>
Date: Fri, 14 Oct 2011 00:41:42 +0200

>> Unfortunately, that would involve some ABI changes for the VIS
>> builtins.  I'm trending towards considering just changing things
>> anyways since the VIS intrinsics were next to unusable beforehand.
> 
> Could you elaborate?  The calling conventions for vectors (like for the other 
> classes) shouldn't depend on the mode but only on the type.

Right and as Richard said I can munge the modes during expansion of
existing builtins when needed.