message: Check more cpu features for Clang on Windows
diff: @@ -97,14 +97,17 @@ std::once_flag g_cpu_feature_guard_warn_once_flag;
  void InfoAboutUnusedCPUFeatures() {
  std::call_once(g_cpu_feature_guard_warn_once_flag, [] {
  string missing_instructions;
  -#ifdef PLATFORM_WINDOWS
  +#if defined(_MSC_VER) && !defined(__clang__)
  +
  #ifndef __AVX__
  CheckIfFeatureUnused(CPUFeature::AVX, "AVX", missing_instructions);
  #endif // __AVX__
  #ifndef __AVX2__
  CheckIfFeatureUnused(CPUFeature::AVX2, "AVX2", missing_instructions);
  #endif // __AVX2__
  -#else // ifdef platform windows
  +
  +#else // if defined(_MSC_VER) && !defined(__clang__)
  +
  #ifndef __SSE__
  CheckIfFeatureUnused(CPUFeature::SSE, "SSE", missing_instructions);
  #endif // __SSE__
  @@ -132,7 +135,7 @@ void InfoAboutUnusedCPUFeatures() {
  #ifndef __FMA__
  CheckIfFeatureUnused(CPUFeature::FMA, "FMA", missing_instructions);
  #endif // __FMA__
  -#endif // else of ifdef platform windows
  +#endif // else of if defined(_MSC_VER) && !defined(__clang__)
  if (!missing_instructions.empty()) {
  LOG(INFO) << "Your CPU supports instructions that this TensorFlow "
  << "binary was not compiled to use:" << missing_instructions;
  