MOVV	R7, R6
	MOVV	R8, R7
	JMP	cmpbody<>(SB)

TEXT runtime·cmpstring<ABIInternal>(SB),NOSPLIT,$0-40
	// R4 = a_base
	// R5 = a_len
	// R6 = b_base
	// R7 = b_len
	JMP	cmpbody<>(SB)

// On entry:
// R5 length of a
// R7 length of b
// R4 points to the start of a
// R6 points to the start of b
// R13 points to the return value (-1/0/1)
TEXT cmpbody<>(SB),NOSPLIT|NOFRAME,$0

	// R3 a addr
	// R4 a len
	// R6 b addr
	// R7 b len
	//
	// on entry to cmpbody:
	// R3 return value if len(a) == len(b)
	// R5 a addr
	// R6 b addr
	// R9 min(len(a),len(b))
	SETB_INIT()
	MOVD	R3,R5
	CMP	R4,R7,CR0
	CMP	R3,R6,CR7
	ISEL	CR0LT,R4,R7,R9
	SETB_CR0(R3)
	BC	$12,30,LR	// beqlr cr7
	BR	cmpbody<>(SB)

TEXT runtime·cmpstring<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-40
	// incoming: