Function vcreate_s64 

pub fn vcreate_s64(a: u64) -> int64x1_t

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

Available on (AArch64 or target_arch=arm64ec) and target feature neon and target feature v7 only.

Insert vector element from another vector element Arm’s documentation