[PATCH v2, RS6000 PR target/94954] Fix wrong codegen for vec_pack_to_short_fp32() builtin

[Segher Boessenkool]

On Tue, Jun 23, 2020 at 04:47:42PM -0500, Bill Schmidt wrote:
> >Okay for trunk.  Thanks!  Also okay for backport to 10, if you want that.
> 
> IMO, should backport to 9 and 8 also.  It's a wrong-code problem.

Oh yes, certainly, for some reason I thought this wasn't there before
GCC 10 :-)


Segher