1 files changed, 79 insertions, 0 deletions
diff --git a/gcc/cil/tests/bitfield-r3.c b/gcc/cil/tests/bitfield-r3.c
new file mode 100644
index 00000000000..1809ac42d73
--- /dev/null
+++ b/gcc/cil/tests/bitfield-r3.c
@@ -0,0 +1,79 @@
+/*
+ * This example tests bit fields.
+ */
+
+extern int printf (const char *s, ...);
+
+struct foo {
+    char z;
+    int a:7;
+    unsigned int v:2;
+    short b:9;
+    int c:3;
+    int  :0;
+    int d:6;
+    char x;
+    double y;
+};
+
+union un {
+    unsigned int ll[8];
+    struct foo f;
+};
+
+__attribute__((noinline))
+static void
+p (int i)
+{
+  /* printf ("%10p %d\n", (void *) i, i); */
+  printf ("%d\n", i);
+}
+
+__attribute__((noinline))
+static void
+pu (unsigned int i)
+{
+  /* printf ("%10p %d\n", (void *) i, i); */
+  printf ("%u\n", i);
+}
+
+__attribute__((noinline))
+static void w (union un *u)
+{
+  int i;
+  for (i = 0; i < 8; ++i)
+    {
+      pu (u->ll[i]);     
+    }
+  printf ("\n", i);
+}
+
+__attribute__((noinline))
+void i (union un *u)
+{
+  int i;
+  for (i = 0; i < 8; ++i)
+    {
+      u->ll[i] = -1;
+    }
+}
+
+int main()
+{
+    union un u;
+
+    i (&u);
+    
+#if 0
+    p ((int) &u);
+    p ((int) &u.f);
+    p ((int) &u.f.x);
+    p ((int) &u.ll[0]);
+    p ((int) &u.ll[1]);
+#endif
+
+    u.f.a = -45;
+    if (u.f.a + 45 != 0)  return 1;
+
+    return 0;
+}