diff --git a/sim/testsuite/ChangeLog b/sim/testsuite/ChangeLog
index 113b6d5622..8b03c1d0a7 100644
--- a/sim/testsuite/ChangeLog
+++ b/sim/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2021-04-08  Mike Frysinger  <vapier@gentoo.org>
+
+	* lib/sim-defs.exp (run_sim_test): Set status to unsupported if
+	$return_code is 77.
+
 2021-04-08  Mike Frysinger  <vapier@gentoo.org>
 
 	* lib/sim-defs.exp (run_sim_test): Return if sim_tool_path does not
diff --git a/sim/testsuite/lib/sim-defs.exp b/sim/testsuite/lib/sim-defs.exp
index e627b6efc5..59c7dede83 100644
--- a/sim/testsuite/lib/sim-defs.exp
+++ b/sim/testsuite/lib/sim-defs.exp
@@ -402,7 +402,9 @@ proc run_sim_test { name requested_machs } {
 	set output [lindex $result 1]
 
 	set status fail
-	if { $return_code == $opts(status) } {
+	if { $return_code == 77 } {
+	    set status unsupported
+	} elseif { $return_code == $opts(status) } {
 	    set status pass
 	}