return fmt.Sprintf("%d(0)", int(arg))
		}
		return fmt.Sprintf("%d(R%d)", int(arg), reg-R0)
	}
	return fmt.Sprintf("???(%v)", arg)
}

func reverseMiddleOps(op Op) bool {
	switch op {
	case FMADD, FMADDCC, FMADDS, FMADDSCC, FMSUB, FMSUBCC, FMSUBS, FMSUBSCC, FNMADD, FNMADDCC, FNMADDS, FNMADDSCC, FNMSUB, FNMSUBCC, FNMSUBS, FNMSUBSCC, FSEL, FSELCC:
		return true
	}
	return false
}

func reverseOperandOrder(op Op) bool {