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-rw-r--r--passes/sat/sim.cc10
1 files changed, 6 insertions, 4 deletions
diff --git a/passes/sat/sim.cc b/passes/sat/sim.cc
index d74fbcc4e..3fb49bbf7 100644
--- a/passes/sat/sim.cc
+++ b/passes/sat/sim.cc
@@ -778,8 +778,9 @@ struct SimInstance
child.second->register_output_step_values(data);
}
- void setInitState()
+ bool setInitState()
{
+ bool did_something = false;
for (auto &it : ff_database)
{
ff_state_t &ff = it.second;
@@ -792,12 +793,13 @@ struct SimInstance
if (id!=0) {
Const fst_val = Const::from_string(shared->fst->valueOf(id));
ff.past_d = fst_val;
- set_state(qsig, fst_val);
+ did_something = set_state(qsig, fst_val);
}
}
}
for (auto child : children)
- child.second->setInitState();
+ did_something |= child.second->setInitState();
+ return did_something;
}
void setState(dict<int, std::pair<SigBit,bool>> bits, std::string values)
@@ -1112,7 +1114,7 @@ struct SimWorker : SimShared
}
if (initial) {
- top->setInitState();
+ did_something |= top->setInitState();
initial = false;
}
if (did_something)