Function __crc32w 

pub fn __crc32w(crc: u32, data: u32) -> u32

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

CRC32 single round checksum for bytes (32 bits). Arm’s documentation