[Bug target/101821] Redundant xor eax eax

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101821

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
That is not unnecessary nor redundant, but fully intentional.
See e.g. PR62011.