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consteval: Fix $bwmux handling

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If the cell type has a S signal and hasn't already been handled, use `CellTypes::eval(cell, A, B, S)`.
This commit is contained in:
Krystine Sherwin
2025-08-12 10:57:58 +12:00
parent 014eadd8b9
commit db4ffaffd2
2 changed files with 6 additions and 4 deletions
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6
kernel/consteval.h
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@@ -349,7 +349,11 @@ struct ConstEval
return false;
bool eval_err = false;
RTLIL::Const eval_ret = CellTypes::eval(cell, sig_a.as_const(), sig_b.as_const(), sig_c.as_const(), sig_d.as_const(), &eval_err);
RTLIL::Const eval_ret;
if (sig_s.size() > 0 && eval(sig_s, undef, cell)) {
eval_ret = CellTypes::eval(cell, sig_a.as_const(), sig_b.as_const(), sig_s.as_const(), &eval_err);
} else
eval_ret = CellTypes::eval(cell, sig_a.as_const(), sig_b.as_const(), sig_c.as_const(), sig_d.as_const(), &eval_err);
if (eval_err)
return false;