[PATCH] [PATCH, rs6000] Fix pr79941

[Segher Boessenkool]

On Tue, Mar 07, 2017 at 03:36:38PM -0600, Will Schmidt wrote:
> Per PR79941, we are folding the vec_mul{e,o}* operations improperly. Those
> entries were added to the intrinsics-to-be-folded list where the generic
> multiplies should have been instead.  Test coverage in place was for the
> generic multiplies, and this was missed by my testing.
> 
> Thusly, remove those entries from the folding list.  At the same time, I
> am adding a testcase to provide some basic coverage for those ops.
> 
> Functional gimple folding for those operations will be showing up at
> a later time.
> 
> OK for trunk?
> regtest is currently running on ppc64*.

Okay if testing passed.  Thanks,


Segher