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| author | Clifford Wolf <clifford@clifford.at> | 2018-11-06 12:21:05 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-11-06 12:21:05 +0100 |
| commit | 7bd2144d03ae5daffbcddea609d2db7df7b751a2 (patch) | |
| tree | b16d3daf4bfc6a97d9cef5cc1380e175ffa122b2 | |
| parent | f6c4485a3ac315fbed76f1a2e1f22df7afb36886 (diff) | |
| parent | cfc9b9147c3d737781f197a825b019584c2695a5 (diff) | |
| download | yosys-7bd2144d03ae5daffbcddea609d2db7df7b751a2.tar.gz yosys-7bd2144d03ae5daffbcddea609d2db7df7b751a2.tar.bz2 yosys-7bd2144d03ae5daffbcddea609d2db7df7b751a2.zip | |
Merge pull request #694 from trcwm/dffmap_expr_fix
DFFLIBMAP: changed 'missing pin' error into a warning.
| -rw-r--r-- | passes/techmap/dfflibmap.cc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/passes/techmap/dfflibmap.cc b/passes/techmap/dfflibmap.cc index 421073485..b0528d473 100644 --- a/passes/techmap/dfflibmap.cc +++ b/passes/techmap/dfflibmap.cc @@ -101,7 +101,16 @@ static bool parse_pin(LibertyAst *cell, LibertyAst *attr, std::string &pin_name, if (child->id == "pin" && child->args.size() == 1 && child->args[0] == pin_name) return true; - log_error("Malformed liberty file - cannot find pin '%s' in cell '%s'.\n", pin_name.c_str(), cell->args[0].c_str()); + /* If we end up here, the pin specified in the attribute does not exist, which is an error, + or, the attribute contains an expression which we do not yet support. + For now, we'll simply produce a warning to let the user know something is up. + */ + if (pin_name.find_first_of("^*|&") == std::string::npos) { + log_warning("Malformed liberty file - cannot find pin '%s' in cell '%s' - skipping.\n", pin_name.c_str(), cell->args[0].c_str()); + } + else { + log_warning("Found unsupported expression '%s' in pin attribute of cell '%s' - skipping.\n", pin_name.c_str(), cell->args[0].c_str()); + } return false; } |