Function vreinterpret_s8_p64 

pub fn vreinterpret_s8_p64(a: poly64x1_t) -> int8x8_t

🔬This is a nightly-only experimental API. (stdarch_arm_neon_intrinsics #111800)

Available on target feature neon and target feature aes and ARM only.

Vector reinterpret cast operation Arm’s documentation