Function _mm512_inserti32x8

#[target_feature(enable = "avx512dq")]
pub const fn _mm512_inserti32x8(a: __m512i, b: __m256i, IMM8: i32) -> __m512i

Copy a to dst, then insert 256 bits (composed of 8 packed 32-bit integers) from b into dst at the location specified by IMM8.

Intel's Documentation