1 files changed, 39 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/builtin-bswap-6.c b/gcc-4.9/gcc/testsuite/gcc.dg/builtin-bswap-6.c
new file mode 100644
index 000000000..024ebf1ed
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/builtin-bswap-6.c
@@ -0,0 +1,39 @@
+/* { dg-do compile { target arm*-*-* alpha*-*-* i?86-*-* powerpc*-*-* rs6000-*-* x86_64-*-* s390*-*-* } } */
+/* { dg-require-effective-target stdint_types } */
+/* { dg-options "-O -fdump-rtl-combine" } */
+/* { dg-options "-O -fdump-rtl-combine -march=z900" { target s390-*-* } } */
+
+#include <stdint.h>
+
+#define BS(X) __builtin_bswap32(X)
+
+int foo1 (uint32_t a)
+{
+  if (BS (a) == 0xA0000)
+    return 1;
+  return 0;
+}
+
+int foo2 (uint32_t a)
+{
+  if (BS (a) != 0xA0000)
+    return 1;
+  return 0;
+}
+
+int foo3 (uint32_t a, uint32_t b)
+{
+  if (BS (a) == BS (b))
+    return 1;
+  return 0;
+}
+
+int foo4 (uint32_t a, uint32_t b)
+{
+  if (BS (a) != BS (b))
+    return 1;
+  return 0;
+}
+
+/* { dg-final { scan-rtl-dump-not "bswapsi" "combine" } } */
+/* { dg-final { cleanup-rtl-dump "combine" } } */