arch:: x86:: _mm512_cmpeq_pd_mask
pub unsafe fn _mm512_cmpeq_pd_mask(a: __m512d, b: __m512d) -> __mmask8
🔬 This is a nightly-only experimental API. (
This is supported on x86 and target feature
Compare packed double-precision (64-bit) floating-point elements in a and b for equality, and store the results in a mask vector.