[Bug rtl-optimization/104387] aarch64: Redundant SXTH for “bag of bits” moves

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104387

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Some analysis about this is recorded at
https://gcc.gnu.org/bugzilla//show_bug.cgi?id=111835#c1 .