Add Opteron/Itanium comment.

bmomjian · bmomjian · commit 913250647781 · 2003-07-20T04:31:32.000Z
diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h
@@ -63,7 +63,7 @@
  * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *	  $Id: s_lock.h,v 1.109 2003/06/24 23:20:08 momjian Exp $
+ *	  $Id: s_lock.h,v 1.110 2003/07/20 04:31:32 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -94,7 +94,7 @@
  */
 
 
-#if defined(__i386__) || defined(__x86_64__) 
+#if defined(__i386__) || defined(__x86_64__) /* AMD Opteron */
 #define TAS(lock) tas(lock)
 
 static __inline__ int
@@ -113,6 +113,7 @@ tas(volatile slock_t *lock)
 #endif	 /* __i386__ || __x86_64__ */
 
 
+/* Intel Itanium */
 #ifdef __ia64__
 #define TAS(lock) tas(lock)
 
