18 lines
320 B
Zig
18 lines
320 B
Zig
const assert = @import("std").debug.assert;
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fn cmpxchg() {
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@setFnTest(this);
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var x: i32 = 1234;
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while (!@cmpxchg(&x, 1234, 5678, AtomicOrder.SeqCst, AtomicOrder.SeqCst)) {}
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assert(x == 5678);
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}
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fn fence() {
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@setFnTest(this);
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var x: i32 = 1234;
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@fence(AtomicOrder.SeqCst);
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x = 5678;
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}
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