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authorEddie Hung <eddie@fpgeh.com>2019-12-11 11:27:10 -0800
committerEddie Hung <eddie@fpgeh.com>2019-12-11 11:27:10 -0800
commit9a892199f72bb08f78c868fe8ab5b8a63cf25f37 (patch)
tree33647274e431863ab8d3cab998a56b8115498de0 /passes/sat
parente75ca29b19e230bc829a369c7de9cbadb629f5a7 (diff)
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Suppress warning message for init[i] = 1'bx
Diffstat (limited to 'passes/sat')
-rw-r--r--passes/sat/sat.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/passes/sat/sat.cc b/passes/sat/sat.cc
index 430bba1e8..436ac1b01 100644
--- a/passes/sat/sat.cc
+++ b/passes/sat/sat.cc
@@ -269,7 +269,8 @@ struct SatHelper
for (int i = 0; i < lhs.size(); i++) {
RTLIL::SigSpec bit = lhs.extract(i, 1);
if (rhs[i] == State::Sx || !satgen.initial_state.check_all(bit)) {
- removed_bits.append(bit);
+ if (rhs[i] != State::Sx)
+ removed_bits.append(bit);
lhs.remove(i, 1);
rhs.remove(i, 1);
i--;