pub unsafe fn _mm256_permutex_epi64(a: __m256i, const MASK: i32) -> __m256i
🔬 This is a nightly-only experimental API. (stdsimd #48556)
Available on x86 and target feature avx512f,avx512vl only.
Expand description

Shuffle 64-bit integers in a within 256-bit lanes using the control in imm8, and store the results in dst.

Intel’s documentation