core::arch::x86

Function _mm256_mask_permutex_epi64

Source 
pub unsafe fn _mm256_mask_permutex_epi64(
    src: __m256i,
    k: __mmask8,
    a: __m256i,
    const MASK: i32,
) -> __m256i
🔬This is a nightly-only experimental API. (stdarch_x86_avx512 #111137)
Available on (x86 or x86-64) and target feature avx512f,avx512vl and x86 only.
Expand description

Shuffle 64-bit integers in a within 256-bit lanes using the control in imm8, and store the results in dst using writemask k (elements are copied from src when the corresponding mask bit is not set).

Intel’s documentation