(In reply to comment #3) > The patch seems to make it work! > > rotl tests fail however: > > Running ./math-int rotl 1 1 2 > Failed > Running ./math-int rotl 1 32 1 > Failed > Running ./math-int rotl -1 5 -1 > Failed > Running ./math-int rotl 4096 23 8 > Failed Do you the latest code from my opencl-example repo? Older versions were missing the rotl.cl file.