Synopsys VCS警告

Question

如果宏被重新定義，是否可能在Synopsys VCS編譯器中生成警告或錯誤？

`define DATWIDTH_SZ `DAT_SZ 
`define DATWIDTH_SZ 512 

Answer 1

工作對我來說：

$ cat tb.v 
`define DATWIDTH_SZ `DAT_SZ 
`define DATWIDTH_SZ 512 

module tb; 
endmodule 

$ vcs tb.v 

         Chronologic VCS (TM) 
      Version H-2013.06-SP1 -- Thu Feb 6 14:06:48 2014 
       Copyright (c) 1991-2013 by Synopsys Inc. 
         ALL RIGHTS RESERVED 

This program is proprietary and confidential information of Synopsys Inc. 
and may be used and disclosed only as authorized in a license agreement 
controlling such use and disclosure. 

Parsing design file 'tb.v' 

Warning-[TMR] Text macro redefined 
tb.v, 2 
    Text macro (DATWIDTH_SZ) is redefined. The last definition will override 
    previous ones. 
    In tb.v, 1, it was defined as `DAT_SZ 

UPDATE：你使用+warn=none禁用警告？