[Bug target/78560] powerpc64le ICE with -mcpu=power9

[meissner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78560

--- Comment #2 from Michael Meissner <meissner at gcc dot gnu.org> ---
Created attachment 40194
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40194&action=edit
Proposed patch to fix the problem