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-rw-r--r--ACE/ace/Atomic_Op.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/ACE/ace/Atomic_Op.h b/ACE/ace/Atomic_Op.h
index 27144b52318..5a984093363 100644
--- a/ACE/ace/Atomic_Op.h
+++ b/ACE/ace/Atomic_Op.h
@@ -40,8 +40,6 @@
# endif /* ACE_HAS_INTERLOCKED_EXCHANGEADD */
# elif defined (__GNUC__) && (defined (ACE_HAS_PENTIUM) || defined (__amd64__))
# define ACE_HAS_BUILTIN_ATOMIC_OP
-# elif defined (__SUNPRO_CC) && (defined (__i386) || defined (__x86_64))
-# define ACE_HAS_BUILTIN_ATOMIC_OP
# endif /* WIN32 */
#endif /* ACE_HAS_THREADS */