On Tue, Nov 27, 2018 at 4:17 PM Jerry James <loganje...@gmail.com> wrote: > > On Tue, Nov 27, 2018 at 1:53 PM Jeffrey Walton via cfarm-users > <cfarm-users@lists.tetaneutral.net> wrote: > > ppc_simd.h:965 is a vec_add, and it happens on a unsigned int vector. > > We don't use signed vector types. I don't believe overflow can happen > > and the algorithm depends on unsigned wrap. > > Does building with -fwrapv help?
Thanks. Jerry. -fwrapv clears the UBsan findings. The problem is, governance does not allow us to use it. -fwrapv is for defective programs. The defective program must be fixed. -fwrapv does not clear the failed self tests. Jeff _______________________________________________ cfarm-users mailing list cfarm-users@lists.tetaneutral.net https://lists.tetaneutral.net/listinfo/cfarm-users
