Actually, that's not entirely correct. I have seen some architectures that will turn a shift into a nop when the shift width is greater than the word size. I have some ARM boards that I can cross compile for, so I'll take a look at cleaning up the warnings when I get some time this weekend.
Thanks, Owen On 14-04-11 06:39 AM, Niels Möller wrote: > [email protected] (Niels Möller) writes: > >> Pushed now, with some smaller changes. > I get a couple of warnings, when compiling for 32-bit platforms, e.g., > ARM. > > /home/nisse/hack/nettle/ccm.c: In function `nettle_ccm_set_nonce': > /home/nisse/hack/nettle/ccm.c:134:3: warning: comparison is always false due > to limited range of data type [-Wtype-limits] > /home/nisse/hack/nettle/ccm.c:138:5: warning: right shift count >= width of > type [enabled by default] > /home/nisse/hack/nettle/ccm.c:139:5: warning: right shift count >= width of > type [enabled by default] > /home/nisse/hack/nettle/ccm.c:140:5: warning: right shift count >= width of > type [enabled by default] > /home/nisse/hack/nettle/ccm.c:141:5: warning: right shift count >= width of > type [enabled by default] > > As long as it's "always false", the code should be correct, but it would > be nice to get rid of these warnings. > > Regards, > /Niels > _______________________________________________ nettle-bugs mailing list [email protected] http://lists.lysator.liu.se/mailman/listinfo/nettle-bugs
