Function _mm256_mulhrs_epi16

pub unsafe fn _mm256_mulhrs_epi16(a: __m256i, b: __m256i) -> __m256i

Available on (x86 or x86-64) and target feature avx2 and x86 only.

Multiplies packed 16-bit integers in a and b, producing intermediate signed 32-bit integers. Truncate each intermediate integer to the 18 most significant bits, round by adding 1, and return bits [16:1].

Intel’s documentation