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-rw-r--r--passes/techmap/abc9.cc11
1 files changed, 8 insertions, 3 deletions
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index 968c68b70..11fe9c4a5 100644
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -1027,9 +1027,6 @@ struct Abc9Pass : public Pass {
}
if (arg == "-box" && argidx+1 < args.size()) {
box_file = args[++argidx];
- rewrite_filename(box_file);
- if (!box_file.empty() && !is_absolute_path(box_file))
- box_file = std::string(pwd) + "/" + box_file;
continue;
}
if (arg == "-W" && argidx+1 < args.size()) {
@@ -1040,6 +1037,14 @@ struct Abc9Pass : public Pass {
}
extra_args(args, argidx, design);
+ // ABC expects a box file for XAIG
+ if (box_file.empty())
+ box_file = "+/dummy.box";
+
+ rewrite_filename(box_file);
+ if (!box_file.empty() && !is_absolute_path(box_file))
+ box_file = std::string(pwd) + "/" + box_file;
+
dict<int,IdString> box_lookup;
for (auto m : design->modules()) {
auto it = m->attributes.find(ID(abc_box_id));