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* Initial version of inverter logic.Keith Rothman2021-03-231-0/+16
| | | | | | | For now just implements some inspection capabilities, and the site router (for now) avoids inverted paths. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
* Rework FPGA interchange site router.Keith Rothman2021-03-221-0/+193
The new site router should be robust to most situations, and isn't significantly slower with the use of caching. Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>