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-rw-r--r--techlibs/ice40/cells_sim.v2
-rw-r--r--techlibs/xilinx/synth_xilinx.cc1
2 files changed, 2 insertions, 1 deletions
diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v
index c7c5ba168..b5e10fb20 100644
--- a/techlibs/ice40/cells_sim.v
+++ b/techlibs/ice40/cells_sim.v
@@ -149,7 +149,7 @@ module SB_DFF ((* abc_flop_q *) output `SB_DFF_REG, input C, (* abc_flop_d *) in
always @(posedge C)
Q <= D;
`else
- always @* Q = D;
+ always @* Q <= D;
`endif
endmodule
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index ecfb94610..cc667b919 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -294,6 +294,7 @@ struct SynthXilinxPass : public ScriptPass
else
run(abc + " -luts 2:2,3,6:5,10,20" + string(retime ? " -dff" : ""));
run("clean");
+
// This shregmap call infers fixed length shift registers after abc
// has performed any necessary retiming
if (!nosrl || help_mode)