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-rw-r--r--nptl/sysdeps/i386/i486/bits/atomic.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/nptl/sysdeps/i386/i486/bits/atomic.h b/nptl/sysdeps/i386/i486/bits/atomic.h
index 4389987425..5d27326825 100644
--- a/nptl/sysdeps/i386/i486/bits/atomic.h
+++ b/nptl/sysdeps/i386/i486/bits/atomic.h
@@ -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.
 
@@ -80,7 +80,8 @@ typedef uintmax_t uatomic_max_t;
    not in the moment.  Using it would mean causing portability
    problems since not many other 32-bit architectures have support for
    such an operation.  So don't define any code for now.  If it is
-   really going to be used the code below can be used.  */
+   really going to be used the code below can be used on Intel Pentium
+   and later, but NOT on i486.  */
 #if 1
 # define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \
   (abort (), 0)