Function _mm256_mask_extracti64x2_epi64

pub unsafe fn _mm256_mask_extracti64x2_epi64<const IMM8: i32>(
    src: __m128i,
    k: u8,
    a: __m256i,
) -> __m128i

🔬This is a nightly-only experimental API. (stdarch_x86_avx512)

Available on x86-64 only.

Extracts 128 bits (composed of 2 packed 64-bit integers) from a, selected with IMM8, and stores the result in dst using writemask k (elements are copied from src if the corresponding bit is not set).

Intel’s Documentation