Type Definition core::arch::x86_64::__mmask64

pub type __mmask64 = u64;

🔬 This is a nightly-only experimental API. (stdsimd #48556)

This is supported on (non-crate feature miri-test-libstd or test or doctest) and x86-64 only.

The __mmask64 type used in AVX-512 intrinsics, a 64-bit integer