Function safe_arch::unpack_low_i32_m128i

#[must_use]pub fn unpack_low_i32_m128i(a: m128i, b: m128i) -> m128i

This is supported with target feature sse2 only.

Unpack and interleave low i32 lanes of a and b.

let a = m128i::from([1, 2, 3, 4]);
let b = m128i::from([5, 6, 7, 8]);
let c: [i32; 4] = unpack_low_i32_m128i(a, b).into();
assert_eq!(c, [1, 5, 2, 6]);