+#if defined(G_ATOMIC_LOCK_FREE) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
+
+#define g_atomic_int_get(atomic) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \
+ (void) (0 ? *(atomic) ^ *(atomic) : 0); \
+ __sync_synchronize (); \
+ (gint) *(atomic); \
+ }))
+#define g_atomic_int_set(atomic, newval) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \
+ (void) (0 ? *(atomic) ^ (newval) : 0); \
+ *(atomic) = (newval); \
+ __sync_synchronize (); \
+ }))
+#define g_atomic_int_inc(atomic) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \
+ (void) (0 ? *(atomic) ^ *(atomic) : 0); \
+ (void) __sync_fetch_and_add ((atomic), 1); \
+ }))
+#define g_atomic_int_dec_and_test(atomic) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \
+ (void) (0 ? *(atomic) ^ *(atomic) : 0); \
+ __sync_fetch_and_sub ((atomic), 1) == 1; \
+ }))
+#define g_atomic_int_compare_and_exchange(atomic, oldval, newval) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \
+ (void) (0 ? *(atomic) ^ (newval) ^ (oldval) : 0); \
+ (gboolean) __sync_bool_compare_and_swap ((atomic), (oldval), (newval)); \
+ }))
+#define g_atomic_int_add(atomic, val) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \
+ (void) (0 ? *(atomic) ^ (val) : 0); \
+ (gint) __sync_fetch_and_add ((atomic), (val)); \
+ }))
+#define g_atomic_int_and(atomic, val) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \
+ (void) (0 ? *(atomic) ^ (val) : 0); \
+ (guint) __sync_fetch_and_and ((atomic), (val)); \
+ }))
+#define g_atomic_int_or(atomic, val) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \
+ (void) (0 ? *(atomic) ^ (val) : 0); \
+ (guint) __sync_fetch_and_or ((atomic), (val)); \
+ }))
+#define g_atomic_int_xor(atomic, val) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \
+ (void) (0 ? *(atomic) ^ (val) : 0); \
+ (guint) __sync_fetch_and_xor ((atomic), (val)); \
+ }))
+
+#define g_atomic_pointer_get(atomic) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \
+ __sync_synchronize (); \
+ (gpointer) *(atomic); \
+ }))
+#define g_atomic_pointer_set(atomic, newval) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \
+ (void) (0 ? (gpointer) *(atomic) : 0); \
+ *(atomic) = (__typeof__ (*(atomic))) (gsize) (newval); \
+ __sync_synchronize (); \
+ }))
+#define g_atomic_pointer_compare_and_exchange(atomic, oldval, newval) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \
+ (void) (0 ? (gpointer) *(atomic) : 0); \
+ (gboolean) __sync_bool_compare_and_swap ((atomic), (oldval), (newval)); \
+ }))
+#define g_atomic_pointer_add(atomic, val) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \
+ (void) (0 ? (gpointer) *(atomic) : 0); \
+ (void) (0 ? (val) ^ (val) : 0); \
+ (gssize) __sync_fetch_and_add ((atomic), (val)); \
+ }))
+#define g_atomic_pointer_and(atomic, val) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \
+ (void) (0 ? (gpointer) *(atomic) : 0); \
+ (void) (0 ? (val) ^ (val) : 0); \
+ (gsize) __sync_fetch_and_and ((atomic), (val)); \
+ }))
+#define g_atomic_pointer_or(atomic, val) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \
+ (void) (0 ? (gpointer) *(atomic) : 0); \
+ (void) (0 ? (val) ^ (val) : 0); \
+ (gsize) __sync_fetch_and_or ((atomic), (val)); \
+ }))
+#define g_atomic_pointer_xor(atomic, val) \
+ (G_GNUC_EXTENSION ({ \
+ G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \
+ (void) (0 ? (gpointer) *(atomic) : 0); \
+ (void) (0 ? (val) ^ (val) : 0); \
+ (gsize) __sync_fetch_and_xor ((atomic), (val)); \
+ }))
+
+#else /* defined(G_ATOMIC_LOCK_FREE) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4) */
+
+#define g_atomic_int_get(atomic) \
+ (g_atomic_int_get ((gint *) (atomic)))
+#define g_atomic_int_set(atomic, newval) \
+ (g_atomic_int_set ((gint *) (atomic), (gint) (newval)))
+#define g_atomic_int_compare_and_exchange(atomic, oldval, newval) \
+ (g_atomic_int_compare_and_exchange ((gint *) (atomic), (oldval), (newval)))
+#define g_atomic_int_add(atomic, val) \
+ (g_atomic_int_add ((gint *) (atomic), (val)))
+#define g_atomic_int_and(atomic, val) \
+ (g_atomic_int_and ((guint *) (atomic), (val)))
+#define g_atomic_int_or(atomic, val) \
+ (g_atomic_int_or ((guint *) (atomic), (val)))
+#define g_atomic_int_xor(atomic, val) \
+ (g_atomic_int_xor ((guint *) (atomic), (val)))
+#define g_atomic_int_inc(atomic) \
+ (g_atomic_int_inc ((gint *) (atomic)))
+#define g_atomic_int_dec_and_test(atomic) \
+ (g_atomic_int_dec_and_test ((gint *) (atomic)))
+
+#define g_atomic_pointer_get(atomic) \
+ (g_atomic_pointer_get (atomic))
+#define g_atomic_pointer_set(atomic, newval) \
+ (g_atomic_pointer_set ((atomic), (gpointer) (newval)))
+#define g_atomic_pointer_compare_and_exchange(atomic, oldval, newval) \
+ (g_atomic_pointer_compare_and_exchange ((atomic), (gpointer) (oldval), (gpointer) (newval)))
+#define g_atomic_pointer_add(atomic, val) \
+ (g_atomic_pointer_add ((atomic), (gssize) (val)))
+#define g_atomic_pointer_and(atomic, val) \
+ (g_atomic_pointer_and ((atomic), (gsize) (val)))
+#define g_atomic_pointer_or(atomic, val) \
+ (g_atomic_pointer_or ((atomic), (gsize) (val)))
+#define g_atomic_pointer_xor(atomic, val) \
+ (g_atomic_pointer_xor ((atomic), (gsize) (val)))
+
+#endif /* defined(__GNUC__) && defined(G_ATOMIC_OP_USE_GCC_BUILTINS) */
+