Function vclz_u16 

pub fn vclz_u16(a: uint16x4_t) -> uint16x4_t

🔬This is a nightly-only experimental API. (stdarch_arm_neon_intrinsics #111800)

Available on (AArch64 or target_arch=arm64ec) and little-endian and target feature neon and target feature v7 only.

Count leading zero bits Arm’s documentation