spillOffset += 2*BYTES_IN_STACKSLOT;
if (VM.BuildFor64Addr) { spillOffset += BYTES_IN_STACKSLOT; } else { spillOffset += 2*BYTES_IN_STACKSLOT; }
  private void genUnspillDoubleSlot (int localIndex) {     asm.emitLFD (0, spillOffset, FP);     asm.emitSTFD(0, localOffset(localIndex) - BYTES_IN_DOUBLE , FP);     spillOffset += 2*BYTES_IN_STACKSLOT;  }