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| author | Jannis Harder <me@jix.one> | 2022-07-21 14:22:15 +0200 |
|---|---|---|
| committer | Jannis Harder <me@jix.one> | 2022-08-16 13:37:30 +0200 |
| commit | c0063288d699f4f3edf5e0ff6ee1bd5cfa9ac884 (patch) | |
| tree | 56dede2b6f394bdd4cf662ae8f8a9c1f67e8f54f /passes/opt | |
| parent | c26b2bf543a226e65a3fb07040bb278d668accf2 (diff) | |
| download | yosys-c0063288d699f4f3edf5e0ff6ee1bd5cfa9ac884.tar.gz yosys-c0063288d699f4f3edf5e0ff6ee1bd5cfa9ac884.tar.bz2 yosys-c0063288d699f4f3edf5e0ff6ee1bd5cfa9ac884.zip | |
Add the $anyinit cell and the formalff pass
These can be used to protect undefined flip-flop initialization values
from optimizations that are not sound for formal verification and can
help mapping all solver-provided values in witness traces for flows that
use different backends simultaneously.
Diffstat (limited to 'passes/opt')
| -rw-r--r-- | passes/opt/opt_clean.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/passes/opt/opt_clean.cc b/passes/opt/opt_clean.cc index cb2c261c4..dde7c5299 100644 --- a/passes/opt/opt_clean.cc +++ b/passes/opt/opt_clean.cc @@ -633,6 +633,7 @@ struct OptCleanPass : public Pass { keep_cache.reset(design); ct_reg.setup_internals_mem(); + ct_reg.setup_internals_anyinit(); ct_reg.setup_stdcells_mem(); ct_all.setup(design); @@ -694,6 +695,7 @@ struct CleanPass : public Pass { keep_cache.reset(design); ct_reg.setup_internals_mem(); + ct_reg.setup_internals_anyinit(); ct_reg.setup_stdcells_mem(); ct_all.setup(design); |