message: Small tweak to avoid using a function before it is declared.
diff: @@ -115,7 +115,7 @@ template <> struct AutoSIMD<double,8,64>
  #ifdef __AVX512DQ__
  r.m512d = _mm512_xor_pd(_mm512_set1_pd(-0.0), m512d);
  #else
  - r = 0.0 - (*this);
  + r.m512d = _mm512_sub_pd(_mm512_set1_pd(0.0), m512d);
  #endif
  return r;
  }
  