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// Copyright 2012-2014 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 <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.
// ignore-fast #[feature] doesn't work with check-fast
// ignore-android
#[feature(asm)];
#[allow(dead_code)];
#[cfg(target_arch = "x86")]
#[cfg(target_arch = "x86_64")]
pub fn main() {
// assignment not dead
let mut x: int = 0;
unsafe {
// extra colon
asm!("mov $1, $0" : "=r"(x) : "r"(5u), "0"(x) : : "cc");
//~^ WARNING unrecognized option
}
assert_eq!(x, 5);
unsafe {
// comma in place of a colon
asm!("add $2, $1; mov $1, $0" : "=r"(x) : "r"(x), "r"(8u) : "cc", "volatile");
//~^ WARNING expected a clobber, but found an option
}
assert_eq!(x, 13);
}
// At least one error is needed so that compilation fails
#[static_assert]
static b: bool = false; //~ ERROR static assertion failed
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