https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85903
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> --- Need -mfpmath=sse: make check-gcc RUNTESTFLAGS="--target_board='unix{-m32\ -march=slm\ -mfpmath=sse}' i386.exp=avx512dq-vcvtuqq2pd-2.c" unless GCC is configured with --with-fpmath=sse.