pub unsafe fn _mm256_inserti128_si256<const IMM1: i32>(
    a: __m256i,
    b: __m128i
) -> __m256i
Available on non-crate feature miri-test-libstd and x86-64 only.
Expand description

Copies a to dst, then insert 128 bits (of integer data) from b at the location specified by IMM1.

Intel’s documentation