Function safe_arch::set_splat_i8_m128i

#[must_use]pub fn set_splat_i8_m128i(i: i8) -> m128i

This is supported with target feature sse2 only.

Splats the i8 to all lanes of the m128i.

let a = m128i::from([1_i8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]);
let b = set_splat_i8_m128i(1);
assert_eq!(<[i8; 16]>::from(a), <[i8; 16]>::from(a));