Function _mm256_sll_epi64

pub unsafe fn _mm256_sll_epi64(a: __m256i, count: __m128i) -> __m256i

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

Shifts packed 64-bit integers in a left by count while shifting in zeros, and returns the result

Intel’s documentation