"B32": loong64.ARNG_32B,
	"H16": loong64.ARNG_16H,
	"W8":  loong64.ARNG_8W,
	"V4":  loong64.ARNG_4V,
	"Q2":  loong64.ARNG_2Q,
}

// Loong64RegisterExtension constructs an Loong64 register with extension or arrangement.
func Loong64RegisterExtension(a *obj.Addr, ext string, reg, num int16, isAmount, isIndex bool) error {
	var ok bool
	var arng_type int16
	var simd_type int16

	switch {

	switch p.arch.Family {
	case sys.ARM64:
		err := arm64.ARM64RegisterExtension(a, ext, reg, num, isAmount, isIndex)
		if err != nil {
			p.errorf("%v", err)
		}
	case sys.Loong64:
		err := arch.Loong64RegisterExtension(a, ext, reg, num, isAmount, isIndex)
		if err != nil {
			p.errorf("%v", err)
		}
	default:
		p.errorf("register extension not supported on this architecture")
	}
}