vstack.loadLocal(eContext, ebpOfs);
    public final void visit_fstore(int index) {        //TODO: port to orp-style        vstack.push(eContext);        Item v1 = vstack.popItem(Item.FLOAT);        v1.release(eContext);        int ebpOfs = stackFrame.getEbpOffset(index);        helper.writePOP(FP, ebpOfs);    }