1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/builtin-bswap-1.c b/gcc/testsuite/gcc.target/i386/builtin-bswap-1.c
new file mode 100644
index 000000000..0f94025c5
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/builtin-bswap-1.c
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-final { scan-assembler-not "builtin_bswap" } } */
+
+long foo (long a)
+{
+  long b;
+
+#if __LP64__
+  b = __builtin_bswap64 (a);
+#else
+  b = __builtin_bswap32 (a);
+#endif
+
+  return b;
+}