Function _mm256_permutex_epi64

pub fn _mm256_permutex_epi64(a: __m256i, const MASK: i32) -> __m256i

Available on (x86 or x86-64) and target feature avx512f and target feature avx512vl and x86 only.

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

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