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-rw-r--r--passes/opt/share.cc8
1 files changed, 6 insertions, 2 deletions
diff --git a/passes/opt/share.cc b/passes/opt/share.cc
index e2c31bec..7ab50991 100644
--- a/passes/opt/share.cc
+++ b/passes/opt/share.cc
@@ -1226,7 +1226,9 @@ struct ShareWorker
for (auto it : exclusive_ctrls)
if (satgen.importedSigBit(it.first) && satgen.importedSigBit(it.second)) {
log(" Adding exclusive control bits: %s vs. %s\n", log_signal(it.first), log_signal(it.second));
- ez.assume(ez.NOT(ez.AND(satgen.importSigBit(it.first), satgen.importSigBit(it.second))));
+ int sub1 = satgen.importSigBit(it.first);
+ int sub2 = satgen.importSigBit(it.second);
+ ez.assume(ez.NOT(ez.AND(sub1, sub2)));
}
if (!ez.solve(ez.expression(ez.OpOr, cell_active))) {
@@ -1248,7 +1250,9 @@ struct ShareWorker
std::vector<int> sat_model = satgen.importSigSpec(all_ctrl_signals);
std::vector<bool> sat_model_values;
- ez.assume(ez.AND(ez.expression(ez.OpOr, cell_active), ez.expression(ez.OpOr, other_cell_active)));
+ int sub1 = ez.expression(ez.OpOr, cell_active);
+ int sub2 = ez.expression(ez.OpOr, other_cell_active);
+ ez.assume(ez.AND(sub1, sub2));
log(" Size of SAT problem: %d cells, %d variables, %d clauses\n",
GetSize(sat_cells), ez.numCnfVariables(), ez.numCnfClauses());