diff --git a/src/lib/libast/features/aso b/src/lib/libast/features/aso
index cf97abffb39a..1152af54bdcf 100644
--- a/src/lib/libast/features/aso
+++ b/src/lib/libast/features/aso
@@ -5,7 +5,10 @@ if	aso note{ gcc 4.1+ 64 bit memory atomic operations model }end link{
 		int main()
 		{
 			uint64_t i = 0;
-			return __sync_fetch_and_add(&i,7);
+			uint32_t j = 0;
+			uint16_t l = 0;
+			uint8_t  m = 0;
+			return __sync_fetch_and_add(&i,7)+__sync_fetch_and_add(&j,7)+__sync_fetch_and_add(&l,7)+__sync_fetch_and_add(&m,7);
 		}
 	}end && {
 		#define _aso_cas8(p,o,n)	__sync_val_compare_and_swap(p,o,n)
@@ -31,7 +34,9 @@ elif	aso note{ gcc 4.1+ 32 bit memory atomic operations model }end link{
 		int main()
 		{
 			uint32_t i = 0;
-			return __sync_fetch_and_add(&i,7);
+			uint16_t j = 0;
+			uint8_t  l = 0;
+			return __sync_fetch_and_add(&i,7)+__sync_fetch_and_add(&j,7)+__sync_fetch_and_add(&l,7);
 		}
 	}end && {
 		#define _aso_cas8(p,o,n)	__sync_val_compare_and_swap(p,o,n)