http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49080 --- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> 2011-05-20 16:01:04 UTC --- FWIW, the copy of longlong.h in glibc is slightly out of date, it lacks support for zarch, which uses a different definition of smul_ppmm.