start adding tests

1 files changed, 38 insertions, 0 deletions

diff --git a/tests/call_double.c b/tests/call_double.c
new file mode 100644
index 0000000..1138655
--- /dev/null
+++ b/tests/call_double.c
@@ -0,0 +1,38 @@
+#include "test.h"
+
+static double f(int32_t a, double b) {
+	return b + a;
+}
+
+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_2(j, jit_operand_gpr (JIT_OPERAND_ABI_POINTER, JIT_R0),
+	                jit_operand_gpr (JIT_OPERAND_ABI_POINTER, JIT_R1));
+
+	jit_operand_t args[2] = {
+		jit_operand_mem(JIT_OPERAND_ABI_INT32, JIT_R0, 0),
+		jit_operand_mem(JIT_OPERAND_ABI_DOUBLE, JIT_R1, 0)
+	};
+	jit_calli(j, f, 2, args);
+	jit_retval_d(j, JIT_F0);
+	jit_leave_jit_abi(j, 0, 0, align);
+	jit_retr_d(j, JIT_F0);
+
+	size_t size = 0;
+	void* ret = jit_end(j, &size);
+
+	double (*f)(int32_t*, double*) = ret;
+
+	double d = 22.0f;
+	int32_t i = 20;
+	ASSERT(f(&i, &d) == 42.0f);
+}
+
+int
+main (int argc, char *argv[])
+{
+	return main_helper(argc, argv, run_test);
+}