}

func isMOVop(op obj.As) bool {
	switch op {
	case AMOVB, AMOVBU, AMOVH, AMOVHU, AMOVW, AMOVWU, AMOVD, AFMOVS, AFMOVD, AFMOVQ:
		return true
	}
	return false
}

func isRegShiftOrExt(a *obj.Addr) bool {
	return (a.Index-obj.RBaseARM64)&REG_EXT != 0 || (a.Index-obj.RBaseARM64)&REG_LSL != 0
}

// Maximum PC-relative displacement.
// The actual limit is ±2²⁰, but we are conservative