nangate45: use original LEF to restore antenna info#4013
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alokkumardalei-wq wants to merge 2 commits intoThe-OpenROAD-Project:masterfrom
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nangate45: use original LEF to restore antenna info#4013alokkumardalei-wq wants to merge 2 commits intoThe-OpenROAD-Project:masterfrom
alokkumardalei-wq wants to merge 2 commits intoThe-OpenROAD-Project:masterfrom
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There is no sense in opening a PR if you haven't even run one design with your proposed change. At least test with gcd locally. |
Switch to NangateOpenCellLibrary.macro.lef which has antenna data and remove the obsolete .mod.lef and .rect.lef files. Fixes The-OpenROAD-Project#597 Signed-off-by: alokkumardalei-wq <alokkumardalei2@gmail.com>
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Signed-off-by: alokkumardalei-wq <alokkumardalei2@gmail.com>
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What does PR do?
Fixes #597
This PR switches
SC_LEFfor the nangate45 platform to the originalPOLYGONLEF, restoring its factory antenna information.Why this change?
Previously, the modified
RECTLEF was used as a workaround for a DRT limitation withPOLYGONpin shapes, but that conversion stripped out the antenna data. Since openDB now fully supports polygon geometries, the workaround is no longer required.Changes: