@@ -732,36 +732,36 @@
 		])
 	])
 
 	atomic_ops="none"
 
-	AC_MSG_CHECKING(whether __sync_* works)
-	AC_TRY_LINK([#include <stdint.h>], [
-		int32_t i, j;
-		if (__sync_add_and_fetch(&i, 1))
-			j = __sync_sub_and_fetch(&i, 1);
-		while (!__sync_bool_compare_and_swap(&i, 0, 1));
-	], [
-		AC_MSG_RESULT(yes)
-		atomic_ops="GCC builtins"
-		AC_DEFINE(OF_HAVE_GCC_ATOMIC_OPS, 1,
-			[Whether GCC atomic operations are available])
-	], [
-		AC_MSG_RESULT(no)
-	])
-
 	AC_MSG_CHECKING(whether we have an atomic ops assembly implementation)
 	AC_EGREP_CPP(yes, [
 		#if defined(__GNUC__) && (defined(__i386__) || \
 			defined(__x86_64__) || defined(__amd64__)) || \
 			defined(__ppc__)
 		yes
 		#endif
 	], [
+		AC_MSG_RESULT(yes)
+		atomic_ops="assembly implementation"
+	], [
+		AC_MSG_RESULT(no)
+	])
+
+	AC_MSG_CHECKING(whether __sync_* works)
+	AC_TRY_LINK([#include <stdint.h>], [
+		int32_t i, j;
+		if (__sync_add_and_fetch(&i, 1))
+			j = __sync_sub_and_fetch(&i, 1);
+		while (!__sync_bool_compare_and_swap(&i, 0, 1));
+	], [
 		AC_MSG_RESULT(yes)
 		test x"$atomic_ops" = x"none" && \
-			atomic_ops="assembly implementation"
+			atomic_ops="__sync_* builtins"
+		AC_DEFINE(OF_HAVE_SYNC_BUILTINS, 1,
+			[Whether __sync_* builtins are available])
 	], [
 		AC_MSG_RESULT(no)
 	])
 
 	AC_CHECK_HEADER(libkern/OSAtomic.h, [