1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/builtin-bswap-2.c b/gcc/testsuite/gcc.dg/builtin-bswap-2.c
new file mode 100644
index 00000000000..f601056db22
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/builtin-bswap-2.c
@@ -0,0 +1,19 @@
+/* { dg-do run } */
+/* { dg-options "" } */
+#include <stdint.h>
+
+extern void abort (void);
+
+int main (void)
+{
+  uint32_t a = 4;
+  uint32_t b;
+
+  b = __builtin_bswap32 (a);
+  a = __builtin_bswap32 (b);
+
+  if (b == 4 || a != 4)
+    abort ();
+
+  return 0;
+}