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* iopadmap: Fix z assignment to inout portMarcin Kościelnicki2020-04-021-1/+9
| | | | Fixes #1841.
* iopadmap: Look harder for already-present buffers. (#1731)Marcelina Kościelnicka2020-03-021-2/+21
| | | | | iopadmap: Look harder for already-present buffers. Fixes #1720.
* Fine tune #1699 testsEddie Hung2020-02-131-14/+14
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* iopadmap: move \init attributes from outpad output to its inputEddie Hung2020-02-131-0/+37
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* iopadmap: Emit tristate buffers with const OE for some edge cases.Marcin Kościelnicki2019-12-251-0/+23
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* iopadmap: Refactor and fix tristate buffer mapping. (#1527)Marcin Kościelnicki2019-12-041-0/+99
The previous code for rerouting wires when inserting tristate buffers was overcomplicated and didn't handle all cases correctly (in particular, only cell connections were rewired — internal connections were not).