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authorClifford Wolf <clifford@clifford.at>2013-12-06 12:53:20 +0100
committerClifford Wolf <clifford@clifford.at>2013-12-06 12:53:20 +0100
commit06d96e8fcf651a3fd16f5c64cbb01570471c7c0e (patch)
tree4c4fcdfcb8adbdec305a0b75f065f6578cbd6c70 /passes/fsm
parent8311492475090451c7c69ef076809bb5e9852f9b (diff)
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Fixes in fsm detect/extract for better detection of non-fsm circuits
Diffstat (limited to 'passes/fsm')
-rw-r--r--passes/fsm/fsm_detect.cc2
-rw-r--r--passes/fsm/fsm_extract.cc6
2 files changed, 4 insertions, 4 deletions
diff --git a/passes/fsm/fsm_detect.cc b/passes/fsm/fsm_detect.cc
index 6cd428a87..a8ec19126 100644
--- a/passes/fsm/fsm_detect.cc
+++ b/passes/fsm/fsm_detect.cc
@@ -161,7 +161,7 @@ struct FsmDetectPass : public Pass {
sig_at_port.clear();
for (auto &cell_it : module->cells)
for (auto &conn_it : cell_it.second->connections) {
- if (ct.cell_output(cell_it.second->type, conn_it.first)) {
+ if (ct.cell_output(cell_it.second->type, conn_it.first) || !ct.cell_known(cell_it.second->type)) {
RTLIL::SigSpec sig = conn_it.second;
assign_map.apply(sig);
sig2driver.insert(sig, sig2driver_entry_t(cell_it.second, conn_it.first));
diff --git a/passes/fsm/fsm_extract.cc b/passes/fsm/fsm_extract.cc
index dc3a9ec09..9cba904a7 100644
--- a/passes/fsm/fsm_extract.cc
+++ b/passes/fsm/fsm_extract.cc
@@ -144,8 +144,8 @@ static void find_transitions(ConstEval &ce, ConstEval &ce_nostop, FsmData &fsm_d
return;
}
- assert(undef.width > 0);
- assert(ce.stop_signals.check_all(undef));
+ log_assert(undef.width > 0);
+ log_assert(ce.stop_signals.check_all(undef));
undef = undef.extract(0, 1);
constval = undef;
@@ -361,7 +361,7 @@ struct FsmExtractPass : public Pass {
sig2trigger.clear();
for (auto &cell_it : module->cells)
for (auto &conn_it : cell_it.second->connections) {
- if (ct.cell_output(cell_it.second->type, conn_it.first)) {
+ if (ct.cell_output(cell_it.second->type, conn_it.first) || !ct.cell_known(cell_it.second->type)) {
RTLIL::SigSpec sig = conn_it.second;
assign_map.apply(sig);
sig2driver.insert(sig, sig2driver_entry_t(cell_it.first, conn_it.first));