http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54866
--- Comment #1 from Uros Bizjak <ubizjak at gmail dot com> 2012-10-09 09:45:15 UTC --- (In reply to comment #0) > /var/gcc/regression/trunk/9-gcc/build/gcc/include/xmmintrin.h:32:3: error: > #erro > r "SSE instruction set not enabled" > /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.target/i386/m128-check.h:52:3: > err > or: unknown type name '__m128' > > No idea what the right fix might be: just adding -msse2? Don't we also need > sse2_runtime for a run test? Just add -msse2. The test already uses sse2-check.h, so sse2_runtime is not neccessary. The patch that adds -msse2 is pre-approved.