From b810bf26ab9e40e8d7e5a5001ac3a1708309a30b Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Thu, 20 Jun 2019 19:40:17 -0700 Subject: [PATCH] write_xaiger to flatten 1'bx/1'bz to 1'b0 again --- backends/aiger/xaiger.cc | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc index 55a95d835..82f0f24b2 100644 --- a/backends/aiger/xaiger.cc +++ b/backends/aiger/xaiger.cc @@ -104,8 +104,10 @@ struct XAigerWriter aig_map[bit] = bit2aig(alias_map.at(bit)); } - if (bit == State::Sx || bit == State::Sz) - log_error("Design contains 'x' or 'z' bits. Use 'setundef' to replace those constants.\n"); + if (bit == State::Sx || bit == State::Sz) { + log_debug("Bit '%s' contains 'x' or 'z' bits. Treating as 1'b0.\n", log_signal(bit)); + aig_map[bit] = 0; + } } log_assert(aig_map.at(bit) >= 0); -- 2.30.2