Function _mm512_alignr_epi64

pub unsafe fn _mm512_alignr_epi64(
    a: __m512i,
    b: __m512i,
    const IMM8: i32,
) -> __m512i

🔬This is a nightly-only experimental API. (stdarch_x86_avx512 #111137)

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

Concatenate a and b into a 128-byte immediate result, shift the result right by imm8 64-bit elements, and store the low 64 bytes (8 elements) in dst.

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