Function svrsubhnt_n_s32 

pub fn svrsubhnt_n_s32(even: svint16_t, op1: svint32_t, op2: i32) -> svint16_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.

Rounding subtract narrow high part (top) Arm’s documentation