Add CLKPOL == 0

diff --git a/passes/pmgen/xilinx_srl.cc b/passes/pmgen/xilinx_srl.cc
index a4a8933079032bd419ab87e33a0ee498655461ae..4a3a30f8323881a670c01783f93a6c1a7bf845c1 100644 (file)
--- a/passes/pmgen/xilinx_srl.cc
+++ b/passes/pmgen/xilinx_srl.cc
@@ -64,6 +64,8 @@ void reduce_chain(xilinx_srl_pm &pm)
                c->setParam(ID(INIT), initval.as_const());
                if (c->type.in(ID($_DFF_P_), ID($_DFFE_PN_), ID($_DFFE_PP_)))
                        c->setParam(ID(CLKPOL), 1);
+               else if (c->type.in(ID($_DFF_N_), ID($DFFE_NN_), ID($_DFFE_NP_), ID(FDRE_1)))
+                       c->setParam(ID(CLKPOL), 0);
                else
                        log_abort();
                if (c->type.in(ID($_DFFE_NN_), ID($_DFFE_PN_)))