r181513 - Add include guards to prfchwintrin.h.

[Benjamin Kramer]

Author: d0k
Date: Thu May  9 10:07:39 2013
New Revision: 181513

URL: http://llvm.org/viewvc/llvm-project?rev=181513&view=rev
Log:
Add include guards to prfchwintrin.h.

Modified:
    cfe/trunk/lib/Headers/prfchwintrin.h

Modified: cfe/trunk/lib/Headers/prfchwintrin.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/prfchwintrin.h?rev=181513&r1=181512&r2=181513&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/prfchwintrin.h (original)
+++ cfe/trunk/lib/Headers/prfchwintrin.h Thu May  9 10:07:39 2013
@@ -25,6 +25,9 @@
 #error "Never use <prfchwintrin.h> directly; include <x86intrin.h> or <mm3dnow.h> instead."
 #endif
 
+#ifndef __PRFCHWINTRIN_H
+#define __PRFCHWINTRIN_H
+
 #if defined(__PRFCHW__) || defined(__3dNOW__)
 static __inline__ void __attribute__((__always_inline__, __nodebug__))
 _m_prefetchw(void *__P)
@@ -32,3 +35,5 @@ _m_prefetchw(void *__P)
   __builtin_prefetch (__P, 1, 3 /* _MM_HINT_T0 */);
 }
 #endif
+
+#endif /* __PRFCHWINTRIN_H */