Function _mm_mullo_epi64

pub fn _mm_mullo_epi64(a: __m128i, b: __m128i) -> __m128i

Available on (x86 or x86-64) and target feature avx512dq and target feature avx512vl and x86 only.

Multiply packed 64-bit integers in a and b, producing intermediate 128-bit integers, and store the low 64 bits of the intermediate integers in dst.

Intel’s Documentation