[Bug target/71977] powerpc64: Use VSR when operating on float and integer

[bergner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71977

--- Comment #2 from Peter Bergner <bergner at gcc dot gnu.org> ---
(In reply to Michael Meissner from comment #1)
> Note in terms of the code in general, you have to make sure that the float
> value is converted to vector form before you do AND/OR/etc. on it.  This is
> because within the register, 32-bit floats are actually stored as 64-bit
> double precision values.

I have a work in progress patch that I need to get back to once these
other bugs I'm working on get fixed/resolved.  I'll try and see what
happens with it when using -mcpu=power9.