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compiler_rt: atomics: Formatting change for flag definition

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This commit is contained in:
Koakuma 2022-04-15 19:44:46 +07:00
parent 5b283fba77
commit fac2a2e754
1 changed files with 6 additions and 5 deletions
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11
lib/std/special/compiler_rt/atomics.zig
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@ -54,14 +54,15 @@ const SpinlockTable = struct {
fn acquire(self: *@This()) void {
while (true) {
const flag = if (comptime arch.isSPARC())
asm volatile ("ldstub [%[addr]], %[flag]"
const flag = if (comptime arch.isSPARC()) flag: {
break :flag asm volatile ("ldstub [%[addr]], %[flag]"
: [flag] "=r" (-> @TypeOf(self.v)),
: [addr] "r" (&self.v),
: "memory"
)
else
@atomicRmw(@TypeOf(self.v), &self.v, .Xchg, .Locked, .Acquire);
);
} else flag: {
break :flag @atomicRmw(@TypeOf(self.v), &self.v, .Xchg, .Locked, .Acquire);
};
switch (flag) {
.Unlocked => break,