__CNASM_ULS
#define CNASM_ULD(r, o, b) __CNASM_ULS(ld, r, o, 0, 7, b)
#define CNASM_USD(r, o, b) __CNASM_ULS(sd, r, o, 0, 7, b)
#define CNASM_ULW(r, o, b) __CNASM_ULS(lw, r, o, 0, 3, b)
#define CNASM_USW(r, o, b) __CNASM_ULS(sw, r, o, 0, 3, b)