Dear Manuel, On Sun, 23 Mar 2008 20:15:18 +0100, Manuel López-Ibáñez wrote: > I believe sm & 1U could and should silence the warning. Please, open > a bug report http://gcc.gnu.org/bugs.html and add manu@xxxxxxxxxxx to > the CC list. Done. It is bug 35701 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35701 I hope I did it properly... > We probably have a similar issue with unsigned short x = sm & 1U; or > does that work? Yes, there is the same issue. I also included it in the test case. Kind regards, Christian