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-rw-r--r--techlibs/coolrunner2/synth_coolrunner2.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/techlibs/coolrunner2/synth_coolrunner2.cc b/techlibs/coolrunner2/synth_coolrunner2.cc
index 014c68622..388e2b792 100644
--- a/techlibs/coolrunner2/synth_coolrunner2.cc
+++ b/techlibs/coolrunner2/synth_coolrunner2.cc
@@ -55,7 +55,7 @@ struct SynthCoolrunner2Pass : public ScriptPass
log(" do not flatten design before synthesis\n");
log("\n");
log(" -retime\n");
- log(" run 'abc' with -dff option\n");
+ log(" run 'abc' with '-dff -D 1' options\n");
log("\n");
log("\n");
log("The following commands are executed by this synthesis command:\n");
@@ -161,7 +161,7 @@ struct SynthCoolrunner2Pass : public ScriptPass
if (check_label("map_pla"))
{
- run("abc -sop -I 40 -P 56");
+ run("abc -sop -I 40 -P 56" + string(retime ? " -dff -D 1" : ""));
run("clean");
}