message: DepthwiseConv, dot-product kernel asm, use builtin for prefetch-load.
diff: @@ -526,7 +526,7 @@ inline void PreloadInputBlock(
  const T* ptr = row_ptr;
  for (int j = 0; j < total_width; ++j) {
  // Input data is loaded once.
  - asm volatile("prfm pldl1keep, [%[ptr]]\n" ::[ptr] "r"(ptr) :);
  + optimized_ops_preload_l1_keep(ptr);
  ptr += input_depth;
  }
  row_ptr += input_height_stride;
  