rust/src/test/compile-fail/asm-out-no-modifier.rs

32 lines
991 B
Rust

// 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;
unsafe {
asm!("mov $1, $0" : "r"(x) : "r"(5)); //~ ERROR output operand constraint lacks '='
}
foo(x);
}
#[cfg(not(any(target_arch = "x86",
target_arch = "x86_64",
target_arch = "arm",
target_arch = "aarch64")))]
pub fn main() {}