1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #![allow(stable_features)]
13 #![feature(extended_compare_and_swap)]
14 use std::sync::atomic::{AtomicIsize, ATOMIC_ISIZE_INIT};
15 use std::sync::atomic::Ordering::*;
17 static ATOMIC: AtomicIsize = ATOMIC_ISIZE_INIT;
20 // Make sure codegen can emit all the intrinsics correctly
21 ATOMIC.compare_exchange(0, 1, Relaxed, Relaxed).ok();
22 ATOMIC.compare_exchange(0, 1, Acquire, Relaxed).ok();
23 ATOMIC.compare_exchange(0, 1, Release, Relaxed).ok();
24 ATOMIC.compare_exchange(0, 1, AcqRel, Relaxed).ok();
25 ATOMIC.compare_exchange(0, 1, SeqCst, Relaxed).ok();
26 ATOMIC.compare_exchange(0, 1, Acquire, Acquire).ok();
27 ATOMIC.compare_exchange(0, 1, AcqRel, Acquire).ok();
28 ATOMIC.compare_exchange(0, 1, SeqCst, Acquire).ok();
29 ATOMIC.compare_exchange(0, 1, SeqCst, SeqCst).ok();
30 ATOMIC.compare_exchange_weak(0, 1, Relaxed, Relaxed).ok();
31 ATOMIC.compare_exchange_weak(0, 1, Acquire, Relaxed).ok();
32 ATOMIC.compare_exchange_weak(0, 1, Release, Relaxed).ok();
33 ATOMIC.compare_exchange_weak(0, 1, AcqRel, Relaxed).ok();
34 ATOMIC.compare_exchange_weak(0, 1, SeqCst, Relaxed).ok();
35 ATOMIC.compare_exchange_weak(0, 1, Acquire, Acquire).ok();
36 ATOMIC.compare_exchange_weak(0, 1, AcqRel, Acquire).ok();
37 ATOMIC.compare_exchange_weak(0, 1, SeqCst, Acquire).ok();
38 ATOMIC.compare_exchange_weak(0, 1, SeqCst, SeqCst).ok();