https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61397
--- Comment #2 from Vladimir Makarov <vmakarov at gcc dot gnu.org> --- Sorry, I have [vmakarov@gcc2-power8 gcc]$ ./xgcc -B./ ../../gcc/gcc/testsuite/gcc.target/powerpc/p8vector-ldst.c -O2 -S -mcpu=power8 -mupper-regs-df -mupper-regs-sf -m32 && grep -c lxsdx p8vecto\ r-ldst.s ../../gcc/gcc/testsuite/gcc.target/powerpc/p8vector-ldst.c:1:0: error: -mupper-regs-sf requires -mpower8-vector /* { dg-do compile { target { powerpc*-*-* && lp64 } } } */ ^ I suppose the test should not work with this set of options as make RUNTESTFLAGS='powerpc.exp=p8vector-ldst.c' check-gcc gives Running /home/vmakarov/build/trunk/gcc/gcc/testsuite/gcc.target/powerpc/powerpc.exp ... === gcc Summary === # of unsupported tests 1 /home/vmakarov/build/trunk/build/gcc/xgcc version 5.0.0 20150213 (experimental) (GCC)