return true
	}
	return false
}

func IsLoong64PRELD(op obj.As) bool {
	switch op {
	case loong64.APRELD, loong64.APRELDX:
		return true
	}
	return false
}

func IsLoong64AMO(op obj.As) bool {
	return loong64.IsAtomicInst(op)
}

var loong64ElemExtMap = map[string]int16{
	"B":  loong64.ARNG_B,
	"H":  loong64.ARNG_H,
	"W":  loong64.ARNG_W,
	"V":  loong64.ARNG_V,

			prog.From = a[0]
			prog.Reg = p.getRegister(prog, op, &a[1])
			prog.To = a[2]
		case sys.Loong64:
			switch {
			// Loong64 atomic instructions with one input and two outputs.
			case arch.IsLoong64AMO(op):
				prog.From = a[0]
				prog.To = a[1]
				prog.RegTo2 = a[2].Reg

			case arch.IsLoong64PRELD(op):
				prog.From = a[0]
				prog.AddRestSourceArgs([]obj.Addr{a[1], a[2]})

			default: