http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49080
Andreas Krebbel <krebbel at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |FIXED --- Comment #3 from Andreas Krebbel <krebbel at gcc dot gnu.org> 2011-05-20 19:18:48 UTC --- (In reply to comment #1) > FWIW, the copy of longlong.h in glibc is slightly out of date, it lacks > support > for zarch, which uses a different definition of smul_ppmm. Right that's indeed is the problem. I never thought of updating the glibc version after the -m31 -mzarch GCC patch. I've verified that the problem disappears with the updated longlong.h Thanks!