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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 /CHANGELOG | |
| 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 'CHANGELOG')
| -rw-r--r-- | CHANGELOG | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -4,6 +4,12 @@ List of major changes and improvements between releases Yosys 0.20 .. Yosys 0.20-dev -------------------------- + * New commands and options + - Added "formalff" pass - transforms FFs for formal verification + + * Formal Verification + - Added $anyinit cell to directly represent FFs with an unconstrained + initialization value. These can be generated by the new formalff pass. Yosys 0.19 .. Yosys 0.20 -------------------------- |