equiv_opt to call async2sync when not -multiclock like SymbiYosys

diff --git a/passes/equiv/equiv_opt.cc b/passes/equiv/equiv_opt.cc
index d4c7f79535b58696d38bace618a72ccd124443d0..9fe3bbd579ffe2997d491dd09d6f60063586c7cd 100644 (file)
--- 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");