--- old/src/cpu/x86/vm/x86.ad	2016-05-30 10:43:25.677719820 +0200
+++ new/src/cpu/x86/vm/x86.ad	2016-05-30 10:43:25.553719826 +0200
@@ -1718,7 +1718,7 @@
         ret_value = false;
       break;
     case Op_StrIndexOfChar:
-      if (!(UseSSE > 4))
+      if (UseSSE < 4)
         ret_value = false;
       break;
     case Op_OnSpinWait: