Function _mm256_shrdi_epi64

pub unsafe fn _mm256_shrdi_epi64<const IMM8: i32>(
    a: __m256i,
    b: __m256i,
) -> __m256i

🔬This is a nightly-only experimental API. (stdarch_x86_avx512)

Available on x86 only.

Concatenate packed 64-bit integers in b and a producing an intermediate 128-bit result. Shift the result right by imm8 bits, and store the lower 64-bits in dst.

Intel’s documentation