1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/pointer-set.c b/gcc/pointer-set.c
index 5daf88bd0bc..cd23d32ded8 100644
--- a/gcc/pointer-set.c
+++ b/gcc/pointer-set.c
@@ -171,3 +171,30 @@ pointer_set_insert (struct pointer_set_t *pset, void *p)
 
   return 0;
 }
+
+struct pointer_set_iter_t
+pointer_set_begin (struct pointer_set_t *pset)
+{
+  struct pointer_set_iter_t iter = { 0, -1 };
+
+  return pointer_set_next (pset, iter);
+}
+
+struct pointer_set_iter_t
+pointer_set_next (struct pointer_set_t *pset, struct pointer_set_iter_t it)
+{
+  struct pointer_set_iter_t res = { 0, -1 };
+  size_t pos = (size_t)(it.slot + 1);
+
+  for (; pos < pset->n_slots; ++pos)
+    {
+      if (pset->slots[pos])
+        {
+            res.elem = pset->slots[pos];
+            res.slot = pos;
+            break;
+        }
+    }
+
+  return res;
+}