* convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive

	call to convert_to_integer by building the NOP_EXPR directly.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100184 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 8 insertions, 7 deletions

diff --git a/gcc/convert.c b/gcc/convert.c
index 97705a2926a..fbd18dee23e 100644
--- a/gcc/convert.c
+++ b/gcc/convert.c
@@ -411,13 +411,14 @@ convert_to_integer (tree type, tree expr)
     case POINTER_TYPE:
     case REFERENCE_TYPE:
       if (integer_zerop (expr))
-	expr = integer_zero_node;
-      else
-	expr = fold (build1 (CONVERT_EXPR,
-			     lang_hooks.types.type_for_size (POINTER_SIZE, 0),
-			     expr));
-
-      return convert_to_integer (type, expr);
+	return build_int_cst (type, 0);
+
+      /* Convert to an unsigned integer of the correct width first,
+	 and from there widen/truncate to the required type.  */
+      expr = fold_build1 (CONVERT_EXPR,
+			  lang_hooks.types.type_for_size (POINTER_SIZE, 0),
+			  expr);
+      return fold_build1 (NOP_EXPR, type, expr);
 
     case INTEGER_TYPE:
     case ENUMERAL_TYPE: