Function svpmullt_pair_n_u64 

pub fn svpmullt_pair_n_u64(op1: svuint64_t, op2: u64) -> svuint64_t

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

Available on (AArch64 or ARM64EC) and target feature sve and target feature sve2 and target feature sve2-aes only.

Polynomial multiply long (top) Arm’s documentation