arch:: x86_64:: _mm256_zextps128_ps256
pub unsafe fn _mm256_zextps128_ps256(a: __m128) -> __m256
This is supported on x86-64 and target feature
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.