| // 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 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![feature(asm)] |
| |
| fn foo(x: isize) { println!("{}", x); } |
| |
| #[cfg(any(target_arch = "x86", |
| target_arch = "x86_64", |
| target_arch = "arm", |
| target_arch = "aarch64"))] |
| pub fn main() { |
| let x: isize; |
| x = 1; //~ NOTE prior assignment occurs here |
| foo(x); |
| unsafe { |
| asm!("mov $1, $0" : "=r"(x) : "r"(5)); |
| //~^ ERROR re-assignment of immutable variable `x` |
| //~| NOTE in this expansion of asm! |
| } |
| foo(x); |
| } |
| |
| #[cfg(not(any(target_arch = "x86", |
| target_arch = "x86_64", |
| target_arch = "arm", |
| target_arch = "aarch64")))] |
| pub fn main() {} |