Index: gcc/graphite-isl-ast-to-gimple.c
===================================================================
--- gcc/graphite-isl-ast-to-gimple.c	(revision 212491)
+++ gcc/graphite-isl-ast-to-gimple.c	(working copy)
@@ -65,7 +65,9 @@
 /* We always use signed 128, until isl is able to give information about
 types  */
 
-static tree *graphite_expression_size_type = &int128_integer_type_node;
+static tree *graphite_expression_size_type = int128_integer_type_node ?
+					     &int128_integer_type_node :
+					     &long_long_integer_type_node;
 
 /* Converts a GMP constant VAL to a tree and returns it.  */