Function __crc32ch 

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

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

Available on ARM and (AArch64 or ARM64EC or target feature v7) and (ARM or AArch64 or ARM64EC) and target feature crc only.

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