Function _mm256_maskstore_epi64
#[target_feature(enable = "avx2")]
pub const unsafe fn _mm256_maskstore_epi64(mem_addr: *mut i64, mask: __m256i, a: __m256i)Stores packed 64-bit integers from a into memory pointed by mem_addr
using mask (elements are not stored when the highest bit is not set
in the corresponding element).