Function LoadPattern

snappy.cc:329–338

        /*pattern_sizes_minus_one=*/make_index_sequence<16>());

SNAPPY_ATTRIBUTE_ALWAYS_INLINE
static inline V128 LoadPattern(const char* src, const size_t pattern_size) {
  V128 generation_mask = V128_Load(reinterpret_cast<const V128*>(
      pattern_generation_masks[pattern_size - 1].data()));
  // Uninitialized bytes are masked out by the shuffle mask.
  // TODO: remove annotation and macro defs once MSan is fixed.
  SNAPPY_ANNOTATE_MEMORY_IS_INITIALIZED(src + pattern_size, 16 - pattern_size);
  return V128_Shuffle(V128_LoadU(reinterpret_cast<const V128*>(src)),
                      generation_mask);
}

SNAPPY_ATTRIBUTE_ALWAYS_INLINE
static inline std::pair<V128 /* pattern */, V128 /* reshuffle_mask */>