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author | David Shah <dave@ds0.me> | 2018-12-12 16:50:46 +0000 |
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committer | David Shah <dave@ds0.me> | 2018-12-12 16:50:46 +0000 |
commit | d3fe9465f3efc30daf54926d6b3d2743b5fb3e51 (patch) | |
tree | 876a696d30b3a65b34ce82d58b8218d22cc308f3 | |
parent | 0b9bb852c66ec2a6e9b4b510b3e2e32b8c6a6b16 (diff) | |
download | yosys-d3fe9465f3efc30daf54926d6b3d2743b5fb3e51.tar.gz yosys-d3fe9465f3efc30daf54926d6b3d2743b5fb3e51.tar.bz2 yosys-d3fe9465f3efc30daf54926d6b3d2743b5fb3e51.zip |
deminout: Don't demote constant-driven inouts to inputs
Signed-off-by: David Shah <dave@ds0.me>
-rw-r--r-- | passes/techmap/deminout.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/passes/techmap/deminout.cc b/passes/techmap/deminout.cc index 9f0c7bf67..0cc3df2af 100644 --- a/passes/techmap/deminout.cc +++ b/passes/techmap/deminout.cc @@ -113,7 +113,8 @@ struct DeminoutPass : public Pass { { if (bits_numports[bit] > 1 || bits_inout.count(bit)) new_input = true, new_output = true; - + if (bit == State::S0 || bit == State::S1) + new_output = true; if (bits_written.count(bit)) { new_output = true; if (bits_tribuf.count(bit)) |