Function core::arch::x86::_mm256_mulhi_epi16

pub unsafe fn _mm256_mulhi_epi16(a: __m256i, b: __m256i) -> __m256i

This is supported on x86 and target feature avx2 only.

Multiply the packed 16-bit integers in a and b, producing intermediate 32-bit integers and returning the high 16 bits of the intermediate integers.

Intel's documentation