From fc242bef00206c3bab4117345734ce744f0b7eff Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Thu, 21 Dec 2006 21:50:33 +0000
Subject: * include/atomic.h (atomic_forced_read): New macro.

---
 include/atomic.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'include')

diff --git a/include/atomic.h b/include/atomic.h
index ec1e9899f1..2ad8b5fcb7 100644
--- a/include/atomic.h
+++ b/include/atomic.h
@@ -497,6 +497,12 @@
 #endif
 
 
+#ifndef atomic_forced_read
+# define atomic_forced_read(x) \
+  ({ __typeof (x) __x; __asm ("" : "=r" (__x) : "0" (x)); __x; })
+#endif
+
+
 #ifndef atomic_delay
 # define atomic_delay() do { /* nothing */ } while (0)
 #endif
-- 
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