--- a/src/hotspot/cpu/sparc/stubGenerator_sparc.cpp	Mon Nov 25 12:32:40 2019 +0100
+++ b/src/hotspot/cpu/sparc/stubGenerator_sparc.cpp	Mon Nov 25 12:33:15 2019 +0100
@@ -623,7 +623,8 @@
   }
 
 
-  // Support for jint Atomic::cmpxchg(jint exchange_value, volatile jint* dest, jint compare_value)
+  // Implementation of jint atomic_cmpxchg(jint exchange_value, volatile jint* dest, jint compare_value)
+  // used by Atomic::cmpxchg(volatile jint* dest, jint compare_value, jint exchange_value)
   //
   // Arguments:
   //
@@ -647,7 +648,8 @@
     return start;
   }
 
-  // Support for jlong Atomic::cmpxchg(jlong exchange_value, volatile jlong *dest, jlong compare_value)
+  // Implementation of jlong atomic_cmpxchg_long(jlong exchange_value, volatile jlong *dest, jlong compare_value)
+  // used by Atomic::cmpxchg(volatile jlong *dest, jlong compare_value, jlong exchange_value)
   //
   // Arguments:
   //