1 files changed, 46 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/builtin-bswap-9.c b/gcc-4.9/gcc/testsuite/gcc.dg/builtin-bswap-9.c
new file mode 100644
index 000000000..4aa1a40c4
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/builtin-bswap-9.c
@@ -0,0 +1,46 @@
+/* { dg-do compile { target arm*-*-* alpha*-*-* ia64*-*-* x86_64-*-* s390x-*-* powerpc*-*-* rs6000-*-* } } */
+/* { dg-require-effective-target stdint_types } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-options "-O2 -fdump-rtl-combine" } */
+
+#include <stdint.h>
+
+#define BS(X) __builtin_bswap64(X)
+
+uint64_t foo1 (uint64_t a)
+{
+  return BS (~ BS (a));
+}
+
+uint64_t foo2 (uint64_t a)
+{
+  return BS (BS (a) & 0xA00000000);
+}
+
+uint64_t foo3 (uint64_t a)
+{
+  return BS (BS (a) | 0xA00000000);
+}
+
+uint64_t foo4 (uint64_t a)
+{
+  return BS (BS (a) ^ 0xA00000000);
+}
+
+uint64_t foo5 (uint64_t a, uint64_t b)
+{
+  return BS (BS (a) & BS (b));
+}
+
+uint64_t foo6 (uint64_t a, uint64_t b)
+{
+  return BS (BS (a) | BS (b));
+}
+
+uint64_t foo7 (uint64_t a, uint64_t b)
+{
+  return BS (BS (a) ^ BS (b));
+}
+
+/* { dg-final { scan-rtl-dump-not "bswapdi" "combine" } } */
+/* { dg-final { cleanup-rtl-dump "combine" } } */