Function _mm256_mask_cvtsepi64_storeu_epi32
#[target_feature(enable = "avx512f", enable = "avx512vl")]
pub unsafe fn _mm256_mask_cvtsepi64_storeu_epi32(mem_addr: *mut i32, k: __mmask8, a: __m256i)Convert packed signed 64-bit integers in a to packed 32-bit integers with signed saturation, and store the active results (those with their respective bit set in writemask k) to unaligned memory at base_addr.