Function __crc32ch 

pub fn __crc32ch(crc: u32, data: u16) -> u32

🔬This is a nightly-only experimental API. (stdarch_aarch32_crc32 #125085)

Available on (AArch64 or target_arch=arm64ec) and target feature crc and target feature v8 only.

CRC32-C single round checksum for bytes (16 bits). Arm’s documentation