inline void SaturateAndStore(int16x8_t src, std::int8_t* dst) {
  // Narrow values down to 8 bit unsigned, saturating.
  int8x8_t res8 = vqmovn_s16(src);
  // Store results to destination.
  vst1_s8(dst, res8);
}
inline void SaturateAndStore(int16x8_t src, std::int8_t* dst) {
   
  int8x8_t res8 = vqmovn_s16(src);
   
  vst1_s8(dst, res8);
}