[Bug target/69431] New: There should be builtins for PowerPC mtfsb0, mtfsb1

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69431

            Bug ID: 69431
           Summary: There should be builtins for PowerPC mtfsb0, mtfsb1
           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: ---
            Target: powerpc*-*-*

As it is, ppu_intrinsics.h has some support for mtfsb[01], nothing
else does.