Function _mm256_inserti64x2

pub unsafe fn _mm256_inserti64x2<const IMM8: i32>(
    a: __m256i,
    b: __m128i,
) -> __m256i

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

Available on x86-64 only.

Copy a to dst, then insert 128 bits (composed of 2 packed 64-bit integers) from b into dst at the location specified by IMM8.

Intel’s Documentation