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Diffstat (limited to 'nptl/sysdeps/i386/pthread_spin_lock.c')
-rw-r--r--nptl/sysdeps/i386/pthread_spin_lock.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/nptl/sysdeps/i386/pthread_spin_lock.c b/nptl/sysdeps/i386/pthread_spin_lock.c
index 43a1831131..f001fbacab 100644
--- a/nptl/sysdeps/i386/pthread_spin_lock.c
+++ b/nptl/sysdeps/i386/pthread_spin_lock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -19,11 +19,12 @@
#include "pthreadP.h"
-
-#ifdef UP
-# define LOCK
-#else
-# define LOCK "lock;"
+#ifndef LOCK_PREFIX
+# ifdef UP
+# define LOCK_PREFIX /* nothing */
+# else
+# define LOCK_PREFIX "lock;"
+# endif
#endif
@@ -32,7 +33,7 @@ pthread_spin_lock (lock)
pthread_spinlock_t *lock;
{
asm ("\n"
- "1:\t" LOCK "decl %0\n\t"
+ "1:\t" LOCK_PREFIX "decl %0\n\t"
"jne 2f\n\t"
".subsection 1\n\t"
".align 16\n"