[Bug target/111350] gcc.target/i386/avx512fp16-vfcmulcph-1b.c and friends fail on x86_64-apple-darwin21

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111350

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This seems like a bug in darwin's assembler as all of those registers are
distinct  ...