Check __x86_64__ instead of __LP64__ for x86 futex.

2011-08-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/linux/x86/futex.h: Check __x86_64__ instead of
	__LP64__.

From-SVN: r177166

libgomp/ChangeLog

+2011-08-02  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* config/linux/x86/futex.h: Check __x86_64__ instead of
+	__LP64__.
+
 2011-07-29  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/49897

libgomp/config/linux/x86/futex.h

@@ -24,7 +24,7 @@
 
 /* Provide target-specific access to the futex system call.  */
 
-#ifdef __LP64__
+#ifdef __x86_64__
 # ifndef SYS_futex
 #  define SYS_futex	202
 # endif
@@ -138,7 +138,7 @@ futex_wake (int *addr, int count)
     }
 }
 
-#endif /* __LP64__ */
+#endif /* __x86_64__ */
 
 static inline void
 cpu_relax (void)