#include "test.h"

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, 3, 0, 0);

	jit_operand_t args[] =
	{ jit_operand_gpr (JIT_OPERAND_ABI_POINTER, JIT_R0),
	  jit_operand_gpr (JIT_OPERAND_ABI_POINTER, JIT_R1),
	  jit_operand_gpr (JIT_OPERAND_ABI_WORD, JIT_R2),
	  jit_operand_gpr (JIT_OPERAND_ABI_WORD, JIT_V0) };
	jit_load_args(j, 4, args);

	jit_qmulr_u(j, JIT_V1, JIT_V2, JIT_R2, JIT_V0);
	jit_str(j, JIT_R0, JIT_V1);
	jit_str(j, JIT_R1, JIT_V2);

	jit_leave_jit_abi(j, 3, 0, align);

	jit_ret(j);

	size_t size = 0;
	void* ret = jit_end(j, &size);

	void (*f)(jit_word_t*, jit_word_t*, jit_word_t, jit_word_t) = ret;

#define UQMUL(a, b, c, d)                                                 \
	do {                                                              \
		jit_word_t C = 0, D = 0; f(&C, &D, a, b); ASSERT(C == c); \
		ASSERT(D == d);                                           \
	} while (0)

#if EJIT_WORDSIZE == 32
	UQMUL(0xffffff, 0xffffff, 0xfe000001, 0xffff);
#else
	UQMUL(0xffffffffff, 0xffffffffff, 0xfffffe0000000001, 0xffff);
#endif
}

int
main (int argc, char *argv[])
{
	return main_helper(argc, argv, run_test);
}