[Bug target/110040] rs6000 port emits dead mfvsrd instruction for simple test case

[linkw at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110040

--- Comment #4 from Kewen Lin <linkw at gcc dot gnu.org> ---
(In reply to Peter Bergner from comment #3)
> Kewen and Segher, is this something we want backported or just call it good
> and close as FIXED?  I ask since the patch just adds a simple splitter which
> doesn't look too dangerous.

I'm inclined to close it as FIXED since it's just an enhancement. Based on my
previous experience, we don't normally backport this kind of enhancement IMHO.