[Bug target/67290] powerpc: suboptimal add of u64 with u32

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67290

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |segher at gcc dot gnu.org
         Resolution|---                         |FIXED

--- Comment #1 from Segher Boessenkool <segher at gcc dot gnu.org> ---
This works fine with 5 and trunk.  I won't backport it, it is much
too big a change.