diff -r 790cc8784820 -r bcbc4c03d35d rt/vm/src/main/java/org/apidesign/vm4brwsr/NumberOperations.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/NumberOperations.java	Wed Jan 27 21:17:44 2016 +0100
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/NumberOperations.java	Wed Jan 27 21:24:22 2016 +0100
@@ -101,7 +101,7 @@
 
     public String compare64() {
         used |= BIT64;
-        return "__compare64(@1,@2)";
+        return "__compare64(@2,@1)";
     }
 
     public String generate() {