From 12bf9bb57034205b430d13fc1bee4f031763b5ca Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Sun, 18 Jul 2021 13:30:38 +0000
Subject: [PATCH] Make CXXRTL testbench ~25% faster

---
 test/sim/tb_cxxrtl/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/sim/tb_cxxrtl/Makefile b/test/sim/tb_cxxrtl/Makefile
index ba1386b..00beff0 100644
--- a/test/sim/tb_cxxrtl/Makefile
+++ b/test/sim/tb_cxxrtl/Makefile
@@ -23,6 +23,7 @@ SYNTH_CMD += chparam -set REDUCED_BYPASS $(REDUCED_BYPASS) $(TOP);
 SYNTH_CMD += chparam -set MULDIV_UNROLL $(MULDIV_UNROLL) $(TOP);
 SYNTH_CMD += chparam -set MUL_FAST $(MUL_FAST) $(TOP);
 SYNTH_CMD += prep -flatten -top $(TOP); async2sync;
+SYNTH_CMD += splitnets -driver;
 SYNTH_CMD += write_cxxrtl dut.cpp
 
 dut.cpp: