1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/guality/bswaptest.c b/gcc/testsuite/gcc.dg/guality/bswaptest.c
new file mode 100644
index 00000000000..38b9d981c87
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/guality/bswaptest.c
@@ -0,0 +1,32 @@
+/* { dg-do run { target { x86_64-*-* && lp64 } } } */
+/* { dg-options "-g" } */
+
+volatile int vv;
+
+__attribute__((noclone, noinline)) long
+foo (long x)
+{
+  long f = __builtin_bswap64 (x);
+  long g = f;
+  asm volatile ("" : "+r" (f));
+  vv++;		/* { dg-final { gdb-test 12 "g" "f" } } */
+  return f;
+}
+
+__attribute__((noclone, noinline)) int
+bar (int x)
+{
+  int f = __builtin_bswap32 (x);
+  int g = f;
+  asm volatile ("" : "+r" (f));
+  vv++;		/* { dg-final { gdb-test 22 "g" "f" } } */
+  return f;
+}
+
+int
+main ()
+{
+  foo (0x123456789abcde0fUL);
+  bar (0x12345678);
+  return 0;
+}