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From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Thu, 15 Aug 2013 00:13:26 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-projects@freebsd.org
Subject: svn commit: r254344 - projects/atomic64/sys/i386/include
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Author: jkim
Date: Thu Aug 15 00:13:25 2013
New Revision: 254344
URL: http://svnweb.freebsd.org/changeset/base/254344

Log:
  Remove "memory" from clobber list for atomic_swap_64_i386().  This function
  does not have any variants with memory barriers.

Modified:
  projects/atomic64/sys/i386/include/atomic.h

Modified: projects/atomic64/sys/i386/include/atomic.h
==============================================================================
--- projects/atomic64/sys/i386/include/atomic.h	Thu Aug 15 00:03:17 2013	(r254343)
+++ projects/atomic64/sys/i386/include/atomic.h	Thu Aug 15 00:13:25 2013	(r254344)
@@ -216,8 +216,7 @@ atomic_swap_64_i386(volatile uint64_t *p
 	  "+m" (*q),			/* 1 */
 	  "+m" (*(q + 1))		/* 2 */
 	: "r" ((uint32_t)v),		/* 3 */
-	  "r" ((uint32_t)(v >> 32))	/* 4 */
-	: "memory");
+	  "r" ((uint32_t)(v >> 32)));	/* 4 */
 
 	return (res);
 }