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authorMiodrag Milanović <mmicko@gmail.com>2022-04-01 19:37:02 +0200
committerGitHub <noreply@github.com>2022-04-01 19:37:02 +0200
commit2a76af9eb668c9ce7d59bfde7fe02d983be6ae29 (patch)
tree70c22445c689f27d6c534fef1ce0fe337b876a33
parent2ec4af56e6ec83fe320cd7af958020ea56e1d9ab (diff)
parent86ce441af63b639fc4455cdb541048add253de49 (diff)
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Merge pull request #3263 from YosysHQ/micko/clk2ff_init
Set init values for wrapped async control signals
-rw-r--r--passes/sat/clk2fflogic.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/passes/sat/clk2fflogic.cc b/passes/sat/clk2fflogic.cc
index f37e07a89..bc18bbbd6 100644
--- a/passes/sat/clk2fflogic.cc
+++ b/passes/sat/clk2fflogic.cc
@@ -44,6 +44,7 @@ struct Clk2fflogicPass : public Pass {
}
SigSpec wrap_async_control(Module *module, SigSpec sig, bool polarity, IdString past_sig_id) {
Wire *past_sig = module->addWire(past_sig_id, GetSize(sig));
+ past_sig->attributes[ID::init] = RTLIL::Const(polarity ? State::S0 : State::S1, GetSize(sig));
module->addFf(NEW_ID, sig, past_sig);
if (polarity)
sig = module->Or(NEW_ID, sig, past_sig);
@@ -56,6 +57,7 @@ struct Clk2fflogicPass : public Pass {
}
SigSpec wrap_async_control_gate(Module *module, SigSpec sig, bool polarity) {
Wire *past_sig = module->addWire(NEW_ID);
+ past_sig->attributes[ID::init] = RTLIL::Const(polarity ? State::S0 : State::S1, GetSize(sig));
module->addFfGate(NEW_ID, sig, past_sig);
if (polarity)
sig = module->OrGate(NEW_ID, sig, past_sig);