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84ac80f192
The previous commit updated `rustfmt.toml` appropriately. This commit is the outcome of running `x fmt --all` with the new formatting options.
18 lines
462 B
Rust
18 lines
462 B
Rust
//@ assembly-output: emit-asm
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//@ compile-flags: -O
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//@ compile-flags: --target aarch64-unknown-linux-gnu
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//@ needs-llvm-components: aarch64
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//@ only-aarch64
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//@ only-linux
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#![crate_type = "rlib"]
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use std::sync::atomic::AtomicI32;
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use std::sync::atomic::Ordering::*;
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pub fn compare_exchange(a: &AtomicI32) {
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// On AArch64 LLVM should outline atomic operations.
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// CHECK: __aarch64_cas4_relax
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let _ = a.compare_exchange(0, 10, Relaxed, Relaxed);
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}
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