sem [		addc		subc	] {
    set_op(new_inst,Op,1 ,1);
    Rx_src(new_inst,rs1); set_src2(new_inst,i,rs2,simm13) ; Rx_dest(new_inst,rd);
    new_inst.srcq?push_back(rmap_src(9 ,0));
} where Op in [	87 		91 	];