#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(f128)]
fn main() {
    #[cfg(all(target_arch = "x86_64", target_os = "linux"))]
    {
        let v = f128::from_bits(0x40029000000000000000000000000000);
        assert_eq!(v, 12.5);
    }
}