[Bug target/87949] PowerPC saves CR registers across calls

[wschmidt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87949

--- Comment #4 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Seems like a potential opportunity for shrink-wrap separate on the CRs.  I'm
not sure whether that's implemented yet.