spillOffset += 2*BYTES_IN_STACKSLOT;
if (VM.BuildFor64Addr) { spillOffset += BYTES_IN_STACKSLOT; } else { spillOffset += 2*BYTES_IN_STACKSLOT; }
  private void genSpillDoubleSlot (int stackIndex) {     peekDouble(0, stackIndex);     asm.emitSTFD(0, spillOffset, FP);     spillOffset += 2*BYTES_IN_STACKSLOT;  }