// Copyright 2012-2015 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(any(target_arch = "x86", target_arch = "x86_64", target_arch = "arm", target_arch = "aarch64"))] pub fn main() { let x: int; let y: int; unsafe { asm!("mov $1, $0" : "=r"(x) : "=r"(5u)); //~ ERROR input operand constraint contains '=' asm!("mov $1, $0" : "=r"(y) : "+r"(5u)); //~ ERROR input operand constraint contains '+' } foo(x); foo(y); } #[cfg(not(any(target_arch = "x86", target_arch = "x86_64", target_arch = "arm", target_arch = "aarch64")))] pub fn main() {}