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

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

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

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |NEW
           Severity|normal                      |enhancement
           Assignee|qing.zhao at oracle dot com        |unassigned at gcc dot 
gnu.org

--- Comment #14 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
We get now on the trunk:
        adrp    x1, .LANCHOR0
        add     w2, w0, 1
        add     w0, w0, 1
        str     x2, [x1, #:lo12:.LANCHOR0]
        ret
Which started in GCC 9 which added 2->2 combine.