since the newest version of xnor_gemm_unrolled method not work correctly, I fallback it to the previous version
since the newest version of xnor_gemm_unrolled method not work correctly, I fallback it to the previous version

hpi-xnor/BMXNet,hpi-xnor/BMXNet,hpi-xnor/BMXNet,hpi-xnor/BMXNet,hpi-xnor/BMXNet,hpi-xnor/BMXNet,hpi-xnor/BMXNet,hpi-xnor/BMXNet,hpi-xnor/BMXNet