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

[pinskia at gcc dot gnu.org]

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

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Qing Zhao from comment #5)
> 
> don’t quite understand your above. what’s your mean by “the mov and uxtw are
> in fact the same instruction”?

In aarch64 assembly mov and uxtw are alias of each other.