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Author SHA1 Message Date
Marcelina Kościelnicka
ea79e16bab xilinx_dffopt: Don't crash on missing IS_*_INVERTED.
The presence of IS_*_INVERTED on FD* cells follows Vivado, which
apparently has been decided by a dice roll.  Just assume false if the
parameter doesn't exist.

Fixes #2559.
2021-01-27 00:32:00 +01:00
Eddie Hung
f582eb14af xilinx: xilinx_dffopt to read cells_sim.v; fix test 2020-04-22 16:25:23 -07:00
Marcin Kościelnicki
a235250403 xilinx: Add xilinx_dffopt pass (#1557) 2019-12-18 13:43:43 +01:00