--- qtools/qstring.h
+++ qtools/qstring.h
@@ -163,8 +165,10 @@
     bool isLetterOrNumber() const;
     bool isDigit() const;
 
+#ifndef __arm__
     uchar& cell() { return cl; }
     uchar& row() { return rw; }
+#endif
     uchar cell() const { return cl; }
     uchar row() const { return rw; }