compiler_builtins 0.1.160

Compiler intrinsics used by the Rust compiler.
Documentation 
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intrinsics! {
    #[maybe_use_optimized_c_shim]
    /// Swaps bytes in 32-bit number
    pub extern "C" fn __bswapsi2(x: u32) -> u32 {
        x.swap_bytes()
    }

    #[maybe_use_optimized_c_shim]
    /// Swaps bytes in 64-bit number
    pub extern "C" fn __bswapdi2(x: u64) -> u64 {
        x.swap_bytes()
    }

    #[maybe_use_optimized_c_shim]
    /// Swaps bytes in 128-bit number
    pub extern "C" fn __bswapti2(x: u128) -> u128 {
        x.swap_bytes()
    }
}