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| author | Oli Scherer <git-spam-no-reply9815368754983@oli-obk.de> | 2023-03-15 16:25:28 +0000 |
|---|---|---|
| committer | Oli Scherer <git-spam-no-reply9815368754983@oli-obk.de> | 2023-04-04 09:01:44 +0000 |
| commit | 54214c8d8d50c76fa66e1411fbbbd17bf314bcb5 (patch) | |
| tree | 7bfbedf8fd640a37b2ca4a5c2b6d3221b57acf87 /compiler/rustc_data_structures/src/sync.rs | |
| parent | 300901b70509a0af2d971aa6f6104300da24212c (diff) | |
| download | rust-54214c8d8d50c76fa66e1411fbbbd17bf314bcb5.tar.gz rust-54214c8d8d50c76fa66e1411fbbbd17bf314bcb5.zip | |
Use a simpler atomic operation than the `compare_exchange` hammer
Diffstat (limited to 'compiler/rustc_data_structures/src/sync.rs')
| -rw-r--r-- | compiler/rustc_data_structures/src/sync.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/compiler/rustc_data_structures/src/sync.rs b/compiler/rustc_data_structures/src/sync.rs index 80a9ccd6daa..e8ee4fb76cc 100644 --- a/compiler/rustc_data_structures/src/sync.rs +++ b/compiler/rustc_data_structures/src/sync.rs @@ -107,6 +107,14 @@ cfg_if! { } } + impl Atomic<bool> { + pub fn fetch_or(&self, val: bool, _: Ordering) -> bool { + let result = self.0.get() | val; + self.0.set(val); + result + } + } + impl<T: Copy + PartialEq> Atomic<T> { #[inline] pub fn compare_exchange(&self, |