diff options
| -rw-r--r-- | library/std/src/sync/mpmc/utils.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/library/std/src/sync/mpmc/utils.rs b/library/std/src/sync/mpmc/utils.rs index 3f0cb848cc5..85cf5dd2441 100644 --- a/library/std/src/sync/mpmc/utils.rs +++ b/library/std/src/sync/mpmc/utils.rs @@ -110,7 +110,8 @@ impl Backoff { /// progress. #[inline] pub fn spin(&self) { - for _ in 0..1 << self.step.get().min(SPIN_LIMIT) { + let step = self.step.get().min(SPIN_LIMIT); + for _ in 0..step.pow(2) { crate::hint::spin_loop(); } @@ -123,7 +124,7 @@ impl Backoff { #[inline] pub fn snooze(&self) { if self.step.get() <= SPIN_LIMIT { - for _ in 0..1 << self.step.get() { + for _ in 0..self.step.get().pow(2) { crate::hint::spin_loop() } } else { |