请教,为什么DC综合后的时序报告会有这么多的warning,都是以下面这种形式的 Warning: In design '。。。', net '。。。' driven by pin '。。。' has no loads. (LINT-2) 是不是我的约束不合理,我design的所有输出都设的下面这种形式 set_load 0.4 [get_ports D_out] -pin_load
是不是不太合理,应该怎么改脚本,谢谢大虾们
(上千行的下面这种warning) Warning: In design 'digital_cal', net 'n131125' driven by pin 'digital1_mult6_clk_r_REG522_S2/Q' has no loads. (LINT-2) Warning: In design 'digital_cal', net 'n131111' driven by pin 'digital1_mult5_clk_r_REG29_S2/Q' has no loads. (LINT-2) Warning: In design 'digital_cal', net 'n131109' driven by pin 'digital1_mult5_clk_r_REG1_S2/Q' has no loads. (LINT-2) Warning: In design 'digital_cal', net 'n131093' driven by pin 'digital1_mult5_clk_r_REG27_S2/Q' has no loads. (LINT-2) Warning: In design 'digital_cal', net 'n131092' driven by pin 'digital1_mult5_clk_r_REG26_S2/Q' has no loads. (LINT-2) Warning: In design 'digital_cal', net 'n131091' driven by pin 'digital1_mult5_clk_r_REG25_S2/Q' has no loads. (LINT-2) Warning: In design 'digital_cal', net 'n131090' driven by pin 'digital1_mult5_clk_r_REG24_S2/Q' has no loads. (LINT-2) Warning: In design 'digital_cal', net 'n131089' driven by pin 'digital1_mult5_clk_r_REG23_S2/Q' has no loads. (LINT-2) Warning: In design 'digital_cal', net 'n131087' driven by pin 'digital1_mult5_clk_r_REG21_S2/Q' has no loads. (LINT-2) Warning: In design 'digital_cal', net 'n131085' driven by pin 'digital1_mult5_clk_r_REG19_S2/Q' has no loads. (LINT-2) Warning: In design 'digital_cal', net 'n131084' driven by pin 'digital1_mult5_clk_r_REG18_S2/Q' has no loads. (LINT-2)