1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr117811.c b/gcc/testsuite/gcc.dg/torture/pr117811.c
new file mode 100644
index 0000000..13d7e13
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr117811.c
@@ -0,0 +1,27 @@
+/* { dg-do run } */
+
+#include <string.h>
+
+typedef int v4 __attribute__((vector_size (4 * sizeof (int))));
+
+void __attribute__((noclone,noinline)) do_shift (v4 *vec, int shift)
+{
+  v4 t = *vec;
+
+  if (shift > 0)
+  {
+    t = t >> shift;
+  }
+
+  *vec = t;
+}
+
+int main ()
+{
+  v4 vec =  {0x1000000, 0x2000, 0x300, 0x40};
+  v4 vec2 = {0x100000,  0x200,  0x30,  0x4};
+  do_shift (&vec, 4);
+  if (memcmp (&vec, &vec2, sizeof (v4)) != 0)
+    __builtin_abort ();
+  return 0;
+}