code: private boolean doRedundantLoadElimination() {
          if (!REDUNDANT_LOAD_ELIMINATION) {
              return false;
          }
  
          XField xfield = loadedFieldSet.getField(handle);
          if (xfield == null) {
              return false;
          }
  
          // TODO: support two-slot fields
          return !(xfield.getSignature().equals("D") || xfield.getSignature().equals("J"));
      }
docs: Determine whether redundant load elimination should be performed for the
  heap location referenced by the current instruction.
  
  @return true if we should do redundant load elimination for the current
  instruction, false if not