blob: bcf0964b722ae37d981e0305e665a46d8469b755 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
//@ assembly-output: emit-asm
//@ compile-flags: -O
//@ compile-flags: --target aarch64-unknown-linux-gnu
//@ needs-llvm-components: aarch64
//@ only-aarch64
//@ only-linux
#![crate_type = "rlib"]
use std::sync::atomic::{AtomicI32, Ordering::*};
pub fn compare_exchange(a: &AtomicI32) {
// On AArch64 LLVM should outline atomic operations.
// CHECK: __aarch64_cas4_relax
let _ = a.compare_exchange(0, 10, Relaxed, Relaxed);
}
|
