Function _mm256_zextps128_ps256
#[target_feature(enable = "avx")]
pub const fn _mm256_zextps128_ps256(a: __m128) -> __m256
Constructs a 256-bit floating-point vector of [8 x float] from a
128-bit floating-point vector of [4 x float]. The lower 128 bits contain
the value of the source vector. The upper 128 bits are set to zero.