Function core::arch::x86::_mm256_maskstore_epi64

pub unsafe fn _mm256_maskstore_epi64(
    mem_addr: *mut i64, 
    mask: __m256i, 
    a: __m256i
)

This is supported on x86 and target feature avx2 only.

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).

Intel’s documentation