The-OpenROAD-Project/OpenROAD
Multi-cut vias are not yet supported in the detail router
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#3,071 opened on 2023/03/23
Staledrtenhancementhelp wanted
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説明
Description
As stated in title, currently OpenROAD doesn't support multi-cut vias which could be a crucial functionality as shown in the figure below.(In FlewPR.cpp) So I believe it's impossible to set constraint in ndr rule for multi-cut vias since it's basically not support in the OpenROAD router.

Suggested Solution
Further modification need to be done for the router or create a new router just for multi-cut vias.
Additional Context
No response