--- a/src/hotspot/cpu/arm/stubGenerator_arm.cpp	Mon Nov 25 12:32:07 2019 +0100
+++ b/src/hotspot/cpu/arm/stubGenerator_arm.cpp	Mon Nov 25 12:32:40 2019 +0100
@@ -488,7 +488,8 @@
     return start;
   }
 
-  // Support for jint Atomic::xchg(jint exchange_value, volatile jint *dest)
+  // Implementation of jint atomic_xchg(jint exchange_value, volatile jint* dest)
+  // used by Atomic::add(volatile jint* dest, jint exchange_value)
   //
   // Arguments :
   //