recent troubles with float vectors & bitwise ops

[Paul Brook]

> There seem to be solid reasons to permit this, and no very strong ones
> to prohibit it.  We can consider it to be a GNU extension for vectors.
> Vectors are of course themselves an extension already.

How are you suggesting it be implemented?

Will the front/middle-end convert it to (vNsf)((vNsi)a | (vNsi)b), or do all 
vector backends need to lie about having float vector bitwise operations?

Paul