"CMPBLE",
		"CMPBLT",
		"CMPBNE",
		"CMPUBEQ",
		"CMPUBGE",
		"CMPUBGT",
		"CMPUBLE",
		"CMPUBLT",
		"CMPUBNE",
		"CRJ",
		"CGRJ",
		"CLRJ",
		"CLGRJ",
		"CIJ",
		"CGIJ",
		"CLIJ",
		"CLGIJ",
		"CALL",
		"JMP":
		return true
	}
	return false
}

func s390xRegisterNumber(name string, n int16) (int16, bool) {
	switch name {
	case "AR":
		if 0 <= n && n <= 15 {

	CLRJ	$3, R5, R6, 0(PC)      // ec5600003077
	CLGRJ	$0, R7, R8, 0(PC)      // ec7800000065

	CIJ	$4, R9, $127, 0(PC)    // ec9400007f7e
	CGIJ	$8, R11, $-128, 0(PC)  // ecb80000807c
	CLIJ	$1, R1, $255, 0(PC)    // ec110000ff7f
	CLGIJ	$2, R3, $0, 0(PC)      // ec320000007d

	LGDR	F1, R12                // b3cd00c1
	LDGR	R2, F15                // b3c100f2

	CEFBRA	R0, F15                // b39400f0