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path: root/tests/call_double.c
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#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);
}