[Bug target/80718] GCC generates slow code for offsettable vec_duplicate

[meissner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80718

Michael Meissner <meissner at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #6 from Michael Meissner <meissner at gcc dot gnu.org> ---
Fix back ported to gcc 7/6 branches.