pub unsafe fn _mm512_mask_compressstoreu_pd(
    base_addr: *mut u8,
    k: u8,
    a: __m512d,
)
🔬This is a nightly-only experimental API. (stdarch_x86_avx512)
Available on x86-64 only.
Expand description

Contiguously store the active double-precision (64-bit) floating-point elements in a (those with their respective bit set in writemask k) to unaligned memory at base_addr.

Intel’s documentation