http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56812
--- Comment #11 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2013-04-07 13:35:54 UTC --- > The test is failing on ia64: > > $ grep basic slp-pr56812.cc.115t.slp > /usr/local/gcc/gcc-20130404/gcc/testsuite/g++.dg/vect/slp-pr56812.cc:16: note: > not vectorized: unsupported alignment in basic block. It is also failing on powerpc*-*-*. The test is skipped if I follows comment #9.