Function safe_arch::set_reversed_m128i_m256i

#[must_use]pub fn set_reversed_m128i_m256i(hi: m128i, lo: m128i) -> m256i

This is supported with target feature avx only.

Set m128i args into an m256i.

let a: [i64; 4] = set_reversed_m128i_m256i(
  m128i::from([0_i64, 1]),
  m128i::from([2_i64, 3]),
).into();
assert_eq!(a, [0_i64, 1, 2, 3]);