pub unsafe fn _mm256_mask_storeu_epi64(
    mem_addr: *mut i64,
    mask: __mmask8,
    a: __m256i,
)Available on x86 and target feature 
avx512f and target feature avx512vl only.Expand description
Store packed 64-bit integers from a into memory using writemask k. mem_addr does not need to be aligned on any particular boundary.