Function _mm_mask_cvtusepi64_storeu_epi16
#[target_feature(enable = "avx512f", enable = "avx512vl")]
pub unsafe fn _mm_mask_cvtusepi64_storeu_epi16(mem_addr: *mut i16, k: __mmask8, a: __m128i)Convert packed unsigned 64-bit integers in a to packed 16-bit integers with unsigned saturation, and store the active results (those with their respective bit set in writemask k) to unaligned memory at base_addr.