Function std::arch::x86_64::_mm256_insertf128_si256

pub unsafe fn _mm256_insertf128_si256(
    a: __m256i, 
    b: __m128i, 
    imm8: i32
) -> __m256i

🔬 This is a nightly-only experimental API. (stdsimd #48556)

Copy a to result, then insert 128 bits from b into result at the location specified by imm8.