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authorJannis Harder <me@jix.one>2022-12-21 14:24:10 +0100
committerJannis Harder <me@jix.one>2023-01-11 18:07:16 +0100
commit5042600c0d3adeae9ad7e936e92d4bf7ccff3e53 (patch)
tree165da5efba4120b999fa3522bf3a56d0918a9136 /passes/techmap/lut2mux.cc
parent673ad561b8cf75abdafd9afb3d44edf0edf1f1e1 (diff)
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xprop, setundef: Mark xprop decoding bwmuxes, exclude them from setundef
This adds the xprop_decoder attribute to bwmuxes that drive the original unencoded signals. Setundef is changed to ignore the x inputs of these bwmuxes, so that they survive the prep script of SBY's formal flow. This is required to make simulation (via sim) using the prep model show the decoded x signals instead of 0/1 values made up by the solver.
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