aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorClaire Xenia Wolf <claire@clairexen.net>2021-10-21 12:13:35 +0200
committerClaire Xenia Wolf <claire@clairexen.net>2021-10-21 12:13:35 +0200
commit90b440f870a8ac2c91b3f716f38a4f538cad2549 (patch)
treee293a349c65f26c69cfe6f735301b90b8ae0f5d9
parent16a177560f27c77ba490ac7dbe9eae3d3766ca1e (diff)
downloadyosys-90b440f870a8ac2c91b3f716f38a4f538cad2549.tar.gz
yosys-90b440f870a8ac2c91b3f716f38a4f538cad2549.tar.bz2
yosys-90b440f870a8ac2c91b3f716f38a4f538cad2549.zip
Fix verific.cc PRIM_DLATCH handling
Signed-off-by: Claire Xenia Wolf <claire@clairexen.net>
-rw-r--r--frontends/verific/verific.cc8
1 files changed, 7 insertions, 1 deletions
diff --git a/frontends/verific/verific.cc b/frontends/verific/verific.cc
index 6b303e4b6..18fba9b76 100644
--- a/frontends/verific/verific.cc
+++ b/frontends/verific/verific.cc
@@ -443,7 +443,13 @@ bool VerificImporter::import_netlist_instance_gates(Instance *inst, RTLIL::IdStr
if (inst->Type() == PRIM_DLATCH)
{
- module->addDlatch(inst_name, net_map_at(inst->GetControl()), net_map_at(inst->GetInput()), net_map_at(inst->GetOutput()));
+ if (inst->GetAsyncCond()->IsGnd()) {
+ module->addDlatch(inst_name, net_map_at(inst->GetControl()), net_map_at(inst->GetInput()), net_map_at(inst->GetOutput()));
+ } else {
+ RTLIL::SigSpec sig_set = module->And(NEW_ID, net_map_at(inst->GetAsyncCond()), net_map_at(inst->GetAsyncVal()));
+ RTLIL::SigSpec sig_clr = module->And(NEW_ID, net_map_at(inst->GetAsyncCond()), module->Not(NEW_ID, net_map_at(inst->GetAsyncVal())));
+ module->addDlatchsr(inst_name, net_map_at(inst->GetControl()), sig_set, sig_clr, net_map_at(inst->GetInput()), net_map_at(inst->GetOutput()));
+ }
return true;
}