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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/builtin-bswap-3.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/builtin-bswap-3.c b/gcc-4.9/gcc/testsuite/gcc.dg/builtin-bswap-3.c
new file mode 100644
index 000000000..031817e78
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/builtin-bswap-3.c
@@ -0,0 +1,20 @@
+/* { dg-do run } */
+/* { dg-require-effective-target stdint_types } */
+/* { dg-options "" } */
+#include <stdint.h>
+
+extern void abort (void);
+
+int main (void)
+{
+ uint32_t a = 0x80000000;
+ uint32_t b;
+
+ b = __builtin_bswap32 (a);
+ a = __builtin_bswap32 (b);
+
+ if (b != 0x80 || a != 0x80000000)
+ abort ();
+
+ return 0;
+}