diff options
| -rw-r--r-- | src/lock.zig | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/lock.zig b/src/lock.zig index 7e6bfccdf..2237fd591 100644 --- a/src/lock.zig +++ b/src/lock.zig @@ -24,7 +24,8 @@ pub const Mutex = struct { inline fn acquireFast(self: *Mutex, comptime strong: bool) bool { // On x86, "lock bts" uses less i-cache & can be faster than "lock cmpxchg" below. if (comptime is_x86) { - return self.state.bitSet(@ctz(u32, LOCKED), .Acquire) == UNLOCKED; + const locked_bit = @ctz(@as(u32, LOCKED)); + return self.state.bitSet(locked_bit, .Acquire) == UNLOCKED; } const cas_fn = comptime switch (strong) { |