Function vqshl_n_s16 

pub fn vqshl_n_s16(a: int16x4_t, const N: i32) -> int16x4_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.

Signed saturating shift left Arm’s documentation