arch:: x86_64:: _mm_sign_epi8
pub unsafe fn _mm_sign_epi8(a: __m128i, b: __m128i) -> __m128i
This is supported on x86-64 and target feature
Negates packed 8-bit integers in
a when the corresponding signed 8-bit
b is negative, and returns the result.
Elements in result are zeroed out when the corresponding element in