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各位好:
我在用DC 做综合时,在des.tcl中设置target_library ,并且定义了DC 时用的 set AHFS_BUF “FJSCE2BUFXL1 FJSCE2BUFXQ1 。。。“
set_ahfs_options -optimize_buffer_trees true -constant_nets true -default_reference $AHFS_BUF
为什么在运行compile_ultra -no_autoungroup -congestion -spg -no_seq_output_inversion 时会出现
Warning: Could not find lib_cell 'FJSCE2BUFXL1' specified as -default_reference, in target_library.
Warning: Could not find lib_cell 'FJSCE2BUFXN1' specified as -default_reference, in target_library.
Warning: Could not find lib_cell 'FJSCE2BUFXP1' specified as -default_reference, in target_library.
Warning: Could not find lib_cell 'FJSCE2BUFXQ1' specified as -default_reference, in target_library.
Warning: Could not find lib_cell 'FJSCE2BUFXR1' specified as -default_reference, in target_library.
Warning: Could not find lib_cell 'FJSCE2BUFXT1' specified as -default_reference, in target_library.
Warning: Could not find lib_cell 'FJSCE2BUFXU1' specified as -default_reference, in target_library.
Warning: Could not find lib_cell 'FJSCE2BUFXV1' specified as -default_reference, in target_library.
Error: AHFS: Invalid buffer cell(s) specified for the -default_reference option. (PSYN-621)
这样的错误,但是FJSCE2BUFXL1等CELL 在target_library 里面是有的;请问有哪些情况会导致这个问题?
谢谢! |
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