[Bug target/108149] New: rs6000: e500mc64 was never released

[segher at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108149

            Bug ID: 108149
           Summary: rs6000: e500mc64 was never released
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: segher at gcc dot gnu.org
  Target Milestone: ---

We should find a way to steer users away from using it (we cannot just remove
it, there are users who do use it!)

See <https://lore.kernel.org/all/20221216222359.74i6otxszwanf76y@pali/> and
the thread leading up to it.