From dfef32ef796146357481a6f7949ba900108c655e Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Sat, 22 Jul 2000 02:26:07 +0000
Subject: Update.

2000-07-21  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/powerpc/strchr.S: Correct bugs introduced in BP-ification.
	Patch by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>.
---
 linuxthreads/spinlock.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'linuxthreads/spinlock.h')

diff --git a/linuxthreads/spinlock.h b/linuxthreads/spinlock.h
index 703b72d..6d3d343 100644
--- a/linuxthreads/spinlock.h
+++ b/linuxthreads/spinlock.h
@@ -48,6 +48,10 @@ static inline int compare_and_swap(long * ptr, long oldval, long newval,
 
 #elif defined(HAS_COMPARE_AND_SWAP)
 
+#ifdef IMPLEMENT_TAS_WITH_CAS
+#define testandset(p) !__compare_and_swap(p, 0, 1)
+#endif
+
 #ifdef HAS_COMPARE_AND_SWAP_WITH_RELEASE_SEMANTICS
 
 static inline int
-- 
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