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opt_expr: with -keepdc disable equality optimization rules that break when ports are sigmapped

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This commit is contained in:
Emil J. Tywoniak 2026-03-25 11:50:17 +01:00
parent c416d39ebb
commit 1775bce173
1 changed files with 1 additions and 1 deletions
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2
passes/opt/opt_expr.cc
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@ -1213,7 +1213,7 @@ skip_fine_alu:
}
}
if (cell->type.in(ID($eq), ID($ne), ID($eqx), ID($nex)))
if (!keepdc && cell->type.in(ID($eq), ID($ne), ID($eqx), ID($nex)))
{
RTLIL::SigSpec a = cell->getPort(ID::A);
RTLIL::SigSpec b = cell->getPort(ID::B);