// Copyright 2012-2013-2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(asm)] fn foo(x: int) { println!("{}", x); } #[cfg(target_arch = "x86")] #[cfg(target_arch = "x86_64")] #[cfg(target_arch = "arm")] pub fn main() { let x: int; unsafe { asm!("mov $1, $0" : "r"(x) : "r"(5u)); //~ ERROR output operand constraint lacks '=' } foo(x); } #[cfg(not(target_arch = "x86"), not(target_arch = "x86_64"), not(target_arch = "arm"))] pub fn main() {}