func (RegX) IsArg() {}

func (r RegX) String() string {
	return fmt.Sprintf("%s[%d]", r.Reg, r.Index)
}

// A RegList is a register list.
// Bits at indexes x = 0 through 15 indicate whether the corresponding Rx register is in the list.
type RegList uint16

func (RegList) IsArg() {}

func (r RegList) String() string {
	var buf bytes.Buffer
	fmt.Fprintf(&buf, "{")
	sep := ""
	for i := 0; i < 16; i++ {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package arm

var cnames5 = []string{
	"NONE",
	"REG",
	"REGREG",
	"REGREG2",
	"REGLIST",
	"SHIFT",
	"SHIFTADDR",
	"FREG",
	"PSR",
	"FCR",
	"SPR",
	"RCON",
	"NCON",
	"RCON2A",
	"RCON2S",
	"SCON",
	"LCON",
	"LCONADDR",
	"ZFCON",
	"SFCON",
	"LFCON",
	"RACON",

			if argIndex == 0 {
				return fmt.Sprintf("r%d", int32(arg))
			}
		}
		switch arg {
		case R10:
			return "sl"
		case R11:
			return "fp"
		case R12:
			return "ip"
		}

	case RegList:
		var buf bytes.Buffer
		fmt.Fprintf(&buf, "{")
		sep := ""
		for i := 0; i < 16; i++ {
			if arg&(1<<uint(i)) != 0 {
				fmt.Fprintf(&buf, "%s%s", sep, gnuArg(inst, -1, Reg(i)))
				sep = ", "
			}