[Bug target/81628] Backport r250637 and r250638 to the powerpcspe* target

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81628

Segher Boessenkool <segher at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |segher at gcc dot gnu.org
   Target Milestone|---                         |8.5