}
	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 {
	switch op {
	// Special case for SUBF, SUBFC: not reversed

		{name: "FMSUBS", argLength: 3, reg: fp31, asm: "FMSUBS", commutative: true, typ: "Float32"},                                         // (arg0 * arg1) - arg2
		{name: "FNMADDS", argLength: 3, reg: fp31, asm: "FNMADDS", commutative: true, typ: "Float32"},                                       // -(arg0 * arg1) + arg2

	FMVSX	X5, F0					// 538002f0
	FMVXW	F0, X5					// d30200e0
	FMVWX	X5, F0					// 538002f0
	FMADDS	F1, F2, F3, F4				// 43822018
	FMSUBS	F1, F2, F3, F4				// 47822018
	FNMSUBS	F1, F2, F3, F4				// 4b822018
	FNMADDS	F1, F2, F3, F4				// 4f822018

	// 11.8: Single-Precision Floating-Point Compare Instructions
	FEQS	F0, F1, X7				// d3a300a0
	FLTS	F0, F1, X7				// d39300a0
	FLES	F0, F1, X7				// d38300a0

	//TODO VFMULX V29.S2, V13.S2, V31.S2       // bfdd3d0e
	//TODO VFNEG V18.S2, V12.S2                // 4cfaa02e
	FNEGS F16, F5                              // 0542211e
	FNEGD F31, F31                             // ff43611e
	FNMADDS F17, F22, F6, F20                  // d458311f
	FNMADDD F15, F0, F26, F20                  // 54036f1f
	FNMSUBS F14, F16, F27, F14                 // 6ec32e1f
	FNMSUBD F29, F25, F8, F10                  // 0ae57d1f