Function svdupq_n_u64 

pub fn svdupq_n_u64(x0: u64, x1: u64) -> svuint64_t

🔬This is a nightly-only experimental API. (stdarch_aarch64_sve #145052)

Available on target feature sve and (AArch64 or ARM64EC) only.

Broadcast a quadword of scalars Arm’s documentation