Function svshllt_n_s64 

pub fn svshllt_n_s64<const IMM2: i32>(op1: svint32_t) -> svint64_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 only.

Shift left long (top) Arm’s documentation