Commit fac2a2e7545db8d814baf2f011acee24bf9f95ee | zig

author	Koakuma <koachan@protonmail.com> 2022-04-15 19:44:46+07:00
committer	Koakuma <koachan@protonmail.com> 2022-04-15 19:44:46+07:00
log	fac2a2e7545db8d814baf2f011acee24bf9f95ee
tree	6d7829e7138475c79cee4adeb1905eb52ddce6b3
parent	5b283fba77d50b48d9b9895fac36ee3e1844bd1c

1 files changed, 6 insertions(+), 5 deletions(-)

lib/std/special/compiler_rt/atomics.zig+6-5

...	...	@@ -54,14 +54,15 @@ const SpinlockTable = struct {
54	54
55	55	fn acquire(self: *@This()) void {
56	56	while (true) {
57		const flag = if (comptime arch.isSPARC())
58		asm volatile ("ldstub [%[addr]], %[flag]"
	57	const flag = if (comptime arch.isSPARC()) flag: {
	58	break :flag asm volatile ("ldstub [%[addr]], %[flag]"
59	59	: [flag] "=r" (-> @TypeOf(self.v)),
60	60	: [addr] "r" (&self.v),
61	61	: "memory"
62		)
63		else
64		@atomicRmw(@TypeOf(self.v), &self.v, .Xchg, .Locked, .Acquire);
	62	);
	63	} else flag: {
	64	break :flag @atomicRmw(@TypeOf(self.v), &self.v, .Xchg, .Locked, .Acquire);
	65	};
65	66
66	67	switch (flag) {
67	68	.Unlocked => break,