1 files changed, 46 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/builtin-bswap-8.c b/gcc-4.9/gcc/testsuite/gcc.dg/builtin-bswap-8.c
new file mode 100644
index 000000000..38c00a314
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/builtin-bswap-8.c
@@ -0,0 +1,46 @@
+/* { dg-do compile { target arm*-*-* alpha*-*-* i?86-*-* powerpc*-*-* rs6000-*-* x86_64-*-* s390*-*-* } } */
+/* { dg-require-effective-target stdint_types } */
+/* { dg-options "-O2 -fdump-rtl-combine" } */
+/* { dg-options "-O2 -fdump-rtl-combine -march=z900" { target s390-*-* } } */
+
+#include <stdint.h>
+
+#define BS(X) __builtin_bswap32(X)
+
+uint32_t foo1 (uint32_t a)
+{
+  return BS (~ BS (a));
+}
+
+uint32_t foo2 (uint32_t a)
+{
+  return BS (BS (a) & 0xA0000);
+}
+
+uint32_t foo3 (uint32_t a)
+{
+  return BS (BS (a) | 0xA0000);
+}
+
+uint32_t foo4 (uint32_t a)
+{
+  return BS (BS (a) ^ 0xA0000);
+}
+
+uint32_t foo5 (uint32_t a, uint32_t b)
+{
+  return BS (BS (a) & BS (b));
+}
+
+uint32_t foo6 (uint32_t a, uint32_t b)
+{
+  return BS (BS (a) | BS (b));
+}
+
+uint32_t foo7 (uint32_t a, uint32_t b)
+{
+  return BS (BS (a) ^ BS (b));
+}
+
+/* { dg-final { scan-rtl-dump-not "bswapsi" "combine" } } */
+/* { dg-final { cleanup-rtl-dump "combine" } } */