src/hotspot/cpu/x86/stubGenerator_x86_64.cpp

@@ -550,11 +550,11 @@
     __ jmp(rbx);
 
     return start;
   }
 
-  // Support for jint atomic::xchg(jint exchange_value, volatile jint* dest)
+  // Support for jint atomic::xchg(volatile jint* dest, jint exchange_value)
   //
   // Arguments :
   //    c_rarg0: exchange_value
   //    c_rarg0: dest
   //

@@ -569,11 +569,11 @@
     __ ret(0);
 
     return start;
   }
 
-  // Support for intptr_t atomic::xchg_long(jlong exchange_value, volatile jlong* dest)
+  // Support for intptr_t atomic::xchg_long(volatile jlong* dest, jlong exchange_value)
   //
   // Arguments :
   //    c_rarg0: exchange_value
   //    c_rarg1: dest
   //