1 files changed, 33 insertions, 0 deletions
diff --git a/tests/cas_atomic.c b/tests/cas_atomic.c
new file mode 100644
index 0000000..a382eae
--- /dev/null
+++ b/tests/cas_atomic.c
@@ -0,0 +1,33 @@
+#include "test.h"
+
+static long data[] = { 0x12121212, 0x00000000, 0x34343434 };
+
+static void
+run_test(jit_state_t *j, uint8_t *arena_base, size_t arena_size)
+{
+	jit_begin(j, arena_base, arena_size);
+	size_t align = jit_enter_jit_abi(j, 0, 0, 0);
+	jit_load_args_3(j, jit_operand_gpr (JIT_OPERAND_ABI_POINTER, JIT_R0),
+	                jit_operand_gpr (JIT_OPERAND_ABI_INT32, JIT_R1),
+	                jit_operand_gpr (JIT_OPERAND_ABI_INT32, JIT_R2));
+
+	jit_cas_atomic(j, JIT_R0, JIT_R0, JIT_R1, JIT_R2);
+	jit_leave_jit_abi(j, 0, 0, align);
+	jit_ret(j);
+
+	void (*f)(void*, int32_t, int32_t) = jit_end(j, NULL);
+
+	ASSERT(data[0] == 0x12121212);
+	ASSERT(data[1] == 0x00);
+	ASSERT(data[2] == 0x34343434);
+	f(&data[1], 0, 0x0f0f0f0f);
+	ASSERT(data[0] == 0x12121212);
+	ASSERT(data[1] == 0x0f0f0f0f);
+	ASSERT(data[2] == 0x34343434);
+}
+
+int
+main (int argc, char *argv[])
+{
+	return main_helper(argc, argv, run_test);
+}