word_out
#define word_out(x, c, v) { ((uint8_t *)(x) + 4 * c)[0] = bval(v, 0); \
#define word_out(x, c, v) (*((uint32_t *)(x) + (c)) = (v))
#define word_out(x, c, v) (*((uint32_t *)(x) + (c)) = aes_sw32(v))