[Bug target/77729] aarch64 inserts unneeded uxtb after ldrb, orr ...32

[jak@jak-linux.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77729

--- Comment #2 from Julian Andres Klode <jak@jak-linux.org> ---
Created attachment 39676
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39676&action=edit
Aarch64 output at -O2