1 files changed, 39 insertions, 0 deletions
diff --git a/SingleSource/Regression/C/gcc-c-torture/execute/pr61306-1.c b/SingleSource/Regression/C/gcc-c-torture/execute/pr61306-1.c
new file mode 100644
index 00000000..ebc90a32
--- /dev/null
+++ b/SingleSource/Regression/C/gcc-c-torture/execute/pr61306-1.c
@@ -0,0 +1,39 @@
+#ifdef __INT32_TYPE__
+typedef __INT32_TYPE__ int32_t;
+#else
+typedef int int32_t;
+#endif
+
+#ifdef __UINT32_TYPE__
+typedef __UINT32_TYPE__ uint32_t;
+#else
+typedef unsigned uint32_t;
+#endif
+
+#define __fake_const_swab32(x) ((uint32_t)(		      \
+	(((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) |    \
+	(((uint32_t)(x) & (uint32_t)0x0000ff00UL) <<  8) |    \
+	(((uint32_t)(x) & (uint32_t)0x00ff0000UL) >>  8) |    \
+	(( (int32_t)(x) &  (int32_t)0xff000000UL) >> 24)))
+
+/* Previous version of bswap optimization failed to consider sign extension
+   and as a result would replace an expression *not* doing a bswap by a
+   bswap.  */
+
+__attribute__ ((noinline, noclone)) uint32_t
+fake_bswap32 (uint32_t in)
+{
+  return __fake_const_swab32 (in);
+}
+
+int
+main(void)
+{
+  if (sizeof (int32_t) * __CHAR_BIT__ != 32)
+    return 0;
+  if (sizeof (uint32_t) * __CHAR_BIT__ != 32)
+    return 0;
+  if (fake_bswap32 (0x87654321) != 0xffffff87)
+    __builtin_abort ();
+  return 0;
+}