diff options
Diffstat (limited to 'passes/equiv/equiv_induct.cc')
| -rw-r--r-- | passes/equiv/equiv_induct.cc | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/passes/equiv/equiv_induct.cc b/passes/equiv/equiv_induct.cc index ec651193e..37aec50cd 100644 --- a/passes/equiv/equiv_induct.cc +++ b/passes/equiv/equiv_induct.cc @@ -65,8 +65,10 @@ struct EquivInductWorker int ez_a = satgen.importSigBit(bit_a, step); int ez_b = satgen.importSigBit(bit_b, step); int cond = ez->IFF(ez_a, ez_b); - if (satgen.model_undef) + if (satgen.model_undef) { + cond = ez->AND(cond, ez->NOT(satgen.importUndefSigBit(bit_b, step))); cond = ez->OR(cond, satgen.importUndefSigBit(bit_a, step)); + } ez_equal_terms.push_back(cond); } } @@ -162,7 +164,7 @@ struct EquivInductWorker struct EquivInductPass : public Pass { EquivInductPass() : Pass("equiv_induct", "proving $equiv cells using temporal induction") { } - void help() YS_OVERRIDE + void help() override { // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| log("\n"); @@ -192,7 +194,7 @@ struct EquivInductPass : public Pass { log("after reset.\n"); log("\n"); } - void execute(std::vector<std::string> args, Design *design) YS_OVERRIDE + void execute(std::vector<std::string> args, Design *design) override { int success_counter = 0; bool model_undef = false; |