GEM_IP4DST_CMP
gem_writel_n(bp, T2CMPW0, T2CMP_OFST(GEM_IP4DST_CMP(index)), w0);
gem_writel_n(bp, T2CMPW1, T2CMP_OFST(GEM_IP4DST_CMP(index)), w1);
t2_scr = GEM_BFINS(CMPB, GEM_IP4DST_CMP(index), t2_scr);