博主,请问下我在综合的时候出现了好多这样的警告,这个该怎么解决呀?我忽略掉布局布线完lvs出现了好多浮空线和端口的问题,是不是这个问题导致的呢? Warning: A non-unate path in clock network for clock 'module_mode0_inst_tb_clk_9' from pin 'module_mode0_inst_tb/mode0_clk_gen_inst/U86/Z' is detected. (TIM-052) Warning: A non-unate path in clock network for clock 'module_mode0_inst_tb_clk_9' from pin 'module_mode0_inst_tb/mode0_clk_gen_inst/U86/Z' is detected. (TIM-052) Warning: A non-unate p ... ...
请问博主,我在dc综合时,出现了好多这样的警告我、提示没有驱动线和负载,这些问题该怎么处理?另外警告中提到的C891这个名字对应的cell是什么,该怎么去查看?
Warning: In design 'cic_filter_1_z__1_7', cell 'C891' does not drive any nets. (LINT-1)
Warning: In design 'cic_filter_top', net 'u_cic_filter_mode0/filter_node4[48]' driven by pin 'u_cic_filter_mode0/u_cic_filter_hr_1/y_o[48]' has no loads. (LINT-2)