code: public void storeLocal(LocalVariable local) {
          if (local == null) {
              throw new NullPointerException("No local variable specified");
          }
          int stackAdjust = local.getType().isDoubleWord() ? -2 : -1;
          mInstructions.new StoreLocalInstruction(stackAdjust, local);
      }
docs: store-from-stack-to-local style instructions