#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, 0, 0, 0);
	jit_load_args_2(j, jit_operand_gpr (JIT_OPERAND_ABI_WORD, JIT_R0),
	                jit_operand_gpr (JIT_OPERAND_ABI_WORD, JIT_R1));

	jit_movi(j, JIT_R2, 0);
	jit_addcr(j, JIT_R0, JIT_R0, JIT_R1);
	jit_addxi(j, JIT_R2, JIT_R2, 0);
	jit_leave_jit_abi(j, 0, 0, align);
	jit_retr(j, JIT_R2);

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

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

	ASSERT(f(0, 0) == 0);

#if EJIT_WORDSIZE == 32
	/* carry */
	ASSERT(f(0xffffffff, 0xffffffff) == 1);
	/* overflow */
	ASSERT(f(0x7fffffff, 1) == 0);
	/* overflow */
	ASSERT(f(0x7fffffff, 0x7fffffff) == 0);
	/* carry */
	ASSERT(f(0x7fffffff, 0x80000000) == 0);
	/* carry+overflow */
	ASSERT(f(0x80000000, 0x80000000) == 1);
#else
	/* nothing */
	ASSERT(f(0xffffffff, 0xffffffff) == 0);
	/* nothing */
	ASSERT(f(0x7fffffff, 1) == 0);
	/* nothing */
	ASSERT(f(0x7fffffff, 0x7fffffff) == 0);
	/* nothing */
	ASSERT(f(0x7fffffff, 0x80000000) == 0);
	/* nothing */
	ASSERT(f(0x80000000, 0x80000000) == 0);
	/* carry */
	ASSERT(f(0xffffffffffffffff, 0xffffffffffffffff) == 1);
	/* overflow */
	ASSERT(f(0x7fffffffffffffff, 1) == 0);
	/* overflow */
	ASSERT(f(0x7fffffffffffffff, 0x7fffffffffffffff) == 0);
	/* overflow */
	ASSERT(f(0x7fffffffffffffff, 0x8000000000000000) == 0);
	/* carry+overflow */
	ASSERT(f(0x8000000000000000, 0x8000000000000000) == 1);
#endif
}

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