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authorUlrich Drepper <drepper@redhat.com>2004-01-17 18:35:16 +0000
committerUlrich Drepper <drepper@redhat.com>2004-01-17 18:35:16 +0000
commiteed242a60ff70c57f6ca72274a9f62961dedb067 (patch)
tree515b4e0c1646d03a15213847579e1c5e97982b2a /sysdeps/i386
parent1db88b33daf3eb514bebc4cd38868e89916ec6e0 (diff)
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(atomic_add): Fix test for using atomic_decrement.
Diffstat (limited to 'sysdeps/i386')
-rw-r--r--sysdeps/i386/i486/bits/atomic.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/sysdeps/i386/i486/bits/atomic.h b/sysdeps/i386/i486/bits/atomic.h
index cb2fcdb0cc..9587eaa87a 100644
--- a/sysdeps/i386/i486/bits/atomic.h
+++ b/sysdeps/i386/i486/bits/atomic.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -169,7 +169,7 @@ typedef uintmax_t uatomic_max_t;
 #define atomic_add(mem, value) \
   (void) ({ if (__builtin_constant_p (value) && (value) == 1)		      \
 	      atomic_increment (mem);					      \
-	    else if (__builtin_constant_p (value) && (value) == 1)	      \
+	    else if (__builtin_constant_p (value) && (value) == -1)	      \
 	      atomic_decrement (mem);					      \
 	    else if (sizeof (*mem) == 1)				      \
 	      __asm __volatile (LOCK_PREFIX "addb %b1, %0"		      \