Function _mm512_mask_compressstoreu_epi64
#[target_feature(enable = "avx512f")]
pub unsafe fn _mm512_mask_compressstoreu_epi64(base_addr: *mut i64, k: __mmask8, a: __m512i)Contiguously store the active 64-bit integers in a (those with their respective bit set in writemask k) to unaligned memory at base_addr.