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Correct alignment of atomic types and (re)add Atomic{I,U}128
[rust.git] / src / test / run-pass / atomic-alignment.rs
1 // Copyright 2018 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.
4 //
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.
10
11 #![feature(cfg_target_has_atomic)]
12 #![feature(integer_atomics)]
13
14 use std::mem::{align_of, size_of};
15 use std::sync::atomic::*;
16
17 fn main() {
18     #[cfg(target_has_atomic = "8")]
19     assert_eq!(align_of::<AtomicBool>(), size_of::<AtomicBool>());
20     #[cfg(target_has_atomic = "ptr")]
21     assert_eq!(align_of::<AtomicPtr<u8>>(), size_of::<AtomicPtr<u8>>());
22     #[cfg(target_has_atomic = "8")]
23     assert_eq!(align_of::<AtomicU8>(), size_of::<AtomicU8>());
24     #[cfg(target_has_atomic = "8")]
25     assert_eq!(align_of::<AtomicI8>(), size_of::<AtomicI8>());
26     #[cfg(target_has_atomic = "16")]
27     assert_eq!(align_of::<AtomicU16>(), size_of::<AtomicU16>());
28     #[cfg(target_has_atomic = "16")]
29     assert_eq!(align_of::<AtomicI16>(), size_of::<AtomicI16>());
30     #[cfg(target_has_atomic = "32")]
31     assert_eq!(align_of::<AtomicU32>(), size_of::<AtomicU32>());
32     #[cfg(target_has_atomic = "32")]
33     assert_eq!(align_of::<AtomicI32>(), size_of::<AtomicI32>());
34     #[cfg(target_has_atomic = "64")]
35     assert_eq!(align_of::<AtomicU64>(), size_of::<AtomicU64>());
36     #[cfg(target_has_atomic = "64")]
37     assert_eq!(align_of::<AtomicI64>(), size_of::<AtomicI64>());
38     #[cfg(target_has_atomic = "128")]
39     assert_eq!(align_of::<AtomicU128>(), size_of::<AtomicU128>());
40     #[cfg(target_has_atomic = "128")]
41     assert_eq!(align_of::<AtomicI128>(), size_of::<AtomicI128>());
42     #[cfg(target_has_atomic = "ptr")]
43     assert_eq!(align_of::<AtomicUsize>(), size_of::<AtomicUsize>());
44     #[cfg(target_has_atomic = "ptr")]
45     assert_eq!(align_of::<AtomicIsize>(), size_of::<AtomicIsize>());
46 }