pub unsafe fn _mm256_cmpneq_epu64_mask(a: __m256i, b: __m256i) -> u8
🔬This is a nightly-only experimental API. (stdsimd)
Available on non-crate feature miri-test-libstd and x86-64 only.
Expand description

Compare packed unsigned 64-bit integers in a and b for not-equal, and store the results in mask vector k.

Intel’s documentation