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Add final check all drivers have parasitic annotation#3979

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openroad-ci wants to merge 1 commit intoThe-OpenROAD-Project:masterfrom
The-OpenROAD-Project-staging:final-annotation-check
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Add final check all drivers have parasitic annotation#3979
openroad-ci wants to merge 1 commit intoThe-OpenROAD-Project:masterfrom
The-OpenROAD-Project-staging:final-annotation-check

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Validate that reading the .spef produced by RCX has put an annotation on all driver pins except for those with no loads.

Signed-off-by: Martin Povišer <povik@cutebit.org>
@openroad-ci openroad-ci force-pushed the final-annotation-check branch from 258cd0d to f953347 Compare March 11, 2026 16:51
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povik commented Mar 11, 2026

I think most designs failing on this check are those with SWAP_ARITH_OPERATORS=1 and affected by The-OpenROAD-Project/OpenROAD#9724

It's also flagging the pads on ihp-sg13g2/i2c-gpio-expander which we might need to adjust the check for to ignore:

Error: final_report.tcl, 63 Missing parasitic annotation in scene slow on 11 driver pins, for example sg13g2_IOPad_io_i2c_sda/pad

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