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-rw-r--r--passes/equiv/equiv_opt.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/passes/equiv/equiv_opt.cc b/passes/equiv/equiv_opt.cc
index d4c7f7953..9fe3bbd57 100644
--- a/passes/equiv/equiv_opt.cc
+++ b/passes/equiv/equiv_opt.cc
@@ -156,6 +156,8 @@ struct EquivOptPass:public ScriptPass
if (check_label("prove")) {
if (multiclock || help_mode)
run("clk2fflogic", "(only with -multiclock)");
+ else
+ run("async2sync", "(only without -multiclock)");
run("equiv_make gold gate equiv");
if (help_mode)
run("equiv_induct [-undef] equiv");