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写了一个8位 risc cpu的程序,今天用dc综合时,出现了一些warning,不知道该怎样消除?
dc_shell> check_design
Warning: Net 'data[0]' has a single tri-state driver. (LINT-63)
Warning: Net 'data[1]' has a single tri-state driver. (LINT-63)
Warning: Net 'data[2]' has a single tri-state driver. (LINT-63)
Warning: Net 'data[3]' has a single tri-state driver. (LINT-63)
Warning: Net 'data[4]' has a single tri-state driver. (LINT-63)
Warning: Net 'data[5]' has a single tri-state driver. (LINT-63)
Warning: Net 'data[6]' has a single tri-state driver. (LINT-63)
Warning: Net 'data[7]' has a single tri-state driver. (LINT-63)
Warning: In design 'alu', cell 'B_5' does not drive any nets. (LINT-1)
Warning: In design 'counter', cell 'C63' does not drive any nets. (LINT-1) |
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