MOVW.U	R3, F1             // ERROR "invalid .U suffix"
	PLD.S	4(R1)              // ERROR "invalid .S suffix"
	CLZ.S	R1, R2             // ERROR "invalid .S suffix"
	MULBB.S	R0, R1, R2         // ERROR "invalid .S suffix"
	MULA.W	R9, R6, R1, g      // ERROR "invalid .W suffix"
	MULS.S	R2, R3, R4, g      // ERROR "invalid .S suffix"

	STREX	R1, (R0)           // ERROR "illegal combination"
	STREX	(R1), R0           // ERROR "illegal combination"

		((x5 & 7) << 5) | // coprocessor information
		(1 << 4) /* must be set */
	return offset, arm.AMRC, true
}

// IsARMMULA reports whether the op (as defined by an arm.A* constant) is
// MULA, MULS, MMULA, MMULS, MULABB, MULAWB or MULAWT, the 4-operand instructions.
func IsARMMULA(op obj.As) bool {
	switch op {
	case arm.AMULA, arm.AMULS, arm.AMMULA, arm.AMMULS, arm.AMULABB, arm.AMULAWB, arm.AMULAWT:
		return true

	MOVW	R0, R1>>0(R2)        // 010082e7
	MOVW	R0, R1->0(R2)        // 010082e7
	MOVW	R0, R1@>0(R2)        // 010082e7

// MULA / MULS
	MULAWT		R1, R2, R3, R4       // c23124e1
	MULAWB		R1, R2, R3, R4       // 823124e1
	MULS		R1, R2, R3, R4       // 923164e0
	MULA		R1, R2, R3, R4       // 923124e0
	MULA.S		R1, R2, R3, R4       // 923134e0
	MMULA		R1, R2, R3, R4       // 123154e7
	MMULS		R1, R2, R3, R4       // d23154e7