[Bug target/110457] Unnecessary movsx eax, dil

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110457

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ABI

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Why do you think that?
Iirc the x86_64 abi says the upper bits are undefined.