obj.RegisterOpcode(obj.ABaseARM64, Anames)
	obj.RegisterRegisterList(obj.RegListARM64Lo, obj.RegListARM64Hi, rlconv)
	obj.RegisterOpSuffix("arm64", obj.CConvARM)
	obj.RegisterSpecialOperands(int64(SPOP_BEGIN), int64(SPOP_END), SPCconv)
}

func arrange(a int) string {
	switch a {
	case ARNG_8B:
		return "B8"
	case ARNG_16B:
		return "B16"
	case ARNG_4H:
		return "H4"
	case ARNG_8H:

	lo      int64
	hi      int64
	SPCconv func(int64) string
}

var spcSpace []spcSet

// RegisterSpecialOperands binds a pretty-printer (SPCconv) for special
// operand numbers to a given special operand number range. Lo is inclusive,
// hi is exclusive (valid special operands are lo through hi-1).
func RegisterSpecialOperands(lo, hi int64, rlconv func(int64) string) {
	spcSpace = append(spcSpace, spcSet{lo, hi, rlconv})
}