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Add edge case tests for cmpxchg #171

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Oct 11, 2022
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Add edge case tests for cmpxchg #171

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20 changes: 20 additions & 0 deletions test/core/atomic.wast
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Original file line number Diff line number Diff line change
Expand Up @@ -322,22 +322,42 @@
(assert_return (invoke "i32.atomic.rmw8.cmpxchg_u" (i32.const 0) (i32.const 0) (i32.const 0xcdcdcdcd)) (i32.const 0x11))
(assert_return (invoke "i64.atomic.load" (i32.const 0)) (i64.const 0x1111111111111111))

(invoke "init" (i64.const 0x1111111111111111))
(assert_return (invoke "i32.atomic.rmw8.cmpxchg_u" (i32.const 0) (i32.const 0x11111111) (i32.const 0xcdcdcdcd)) (i32.const 0x11))
(assert_return (invoke "i64.atomic.load" (i32.const 0)) (i64.const 0x1111111111111111))

(invoke "init" (i64.const 0x1111111111111111))
(assert_return (invoke "i32.atomic.rmw16.cmpxchg_u" (i32.const 0) (i32.const 0) (i32.const 0xcafecafe)) (i32.const 0x1111))
(assert_return (invoke "i64.atomic.load" (i32.const 0)) (i64.const 0x1111111111111111))

(invoke "init" (i64.const 0x1111111111111111))
(assert_return (invoke "i32.atomic.rmw16.cmpxchg_u" (i32.const 0) (i32.const 0x11111111) (i32.const 0xcafecafe)) (i32.const 0x1111))
(assert_return (invoke "i64.atomic.load" (i32.const 0)) (i64.const 0x1111111111111111))

(invoke "init" (i64.const 0x1111111111111111))
(assert_return (invoke "i64.atomic.rmw8.cmpxchg_u" (i32.const 0) (i64.const 0) (i64.const 0x4242424242424242)) (i64.const 0x11))
(assert_return (invoke "i64.atomic.load" (i32.const 0)) (i64.const 0x1111111111111111))

(invoke "init" (i64.const 0x1111111111111111))
(assert_return (invoke "i64.atomic.rmw8.cmpxchg_u" (i32.const 0) (i64.const 0x1111111111111111) (i64.const 0x4242424242424242)) (i64.const 0x11))
(assert_return (invoke "i64.atomic.load" (i32.const 0)) (i64.const 0x1111111111111111))

(invoke "init" (i64.const 0x1111111111111111))
(assert_return (invoke "i64.atomic.rmw16.cmpxchg_u" (i32.const 0) (i64.const 0) (i64.const 0xbeefbeefbeefbeef)) (i64.const 0x1111))
(assert_return (invoke "i64.atomic.load" (i32.const 0)) (i64.const 0x1111111111111111))

(invoke "init" (i64.const 0x1111111111111111))
(assert_return (invoke "i64.atomic.rmw16.cmpxchg_u" (i32.const 0) (i64.const 0x1111111111111111) (i64.const 0xbeefbeefbeefbeef)) (i64.const 0x1111))
(assert_return (invoke "i64.atomic.load" (i32.const 0)) (i64.const 0x1111111111111111))

(invoke "init" (i64.const 0x1111111111111111))
(assert_return (invoke "i64.atomic.rmw32.cmpxchg_u" (i32.const 0) (i64.const 0) (i64.const 0xcabba6e5cabba6e5)) (i64.const 0x11111111))
(assert_return (invoke "i64.atomic.load" (i32.const 0)) (i64.const 0x1111111111111111))

(invoke "init" (i64.const 0x1111111111111111))
(assert_return (invoke "i64.atomic.rmw32.cmpxchg_u" (i32.const 0) (i64.const 0x1111111111111111) (i64.const 0xcabba6e5cabba6e5)) (i64.const 0x11111111))
(assert_return (invoke "i64.atomic.load" (i32.const 0)) (i64.const 0x1111111111111111))

;; *.atomic.rmw*.cmpxchg (compare true)

(invoke "init" (i64.const 0x1111111111111111))
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