[Bug target/81357] Extra mov for zero extend of add

[wilco at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81357

Wilco <wilco at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2017-08-10
                 CC|                            |wilco at gcc dot gnu.org
     Ever confirmed|0                           |1