diff --git a/gcc/ChangeLog.graphite b/gcc/ChangeLog.graphite
index 90e3e0b4cc1..a84404b94c1 100644
--- a/gcc/ChangeLog.graphite
+++ b/gcc/ChangeLog.graphite
@@ -1,3 +1,8 @@
+2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
+
+	* graphite-dependences.c (dependence_polyhedron_1): Remove
+	unused gdim dimensions from the DDR polyhedron.
+
 2009-10-17  Sebastian Pop  <sebastian.pop@amd.com>
 
 	* graphite-dependences.c (pddr_transformed_scattering): New.
diff --git a/gcc/graphite-dependences.c b/gcc/graphite-dependences.c
index 7c56f578858..b77de084a5b 100644
--- a/gcc/graphite-dependences.c
+++ b/gcc/graphite-dependences.c
@@ -419,7 +419,7 @@ dependence_polyhedron_1 (poly_bb_p pbb1, poly_bb_p pbb2,
   graphite_dim_t gdim = scop_nb_params (scop);
   graphite_dim_t dim1 = pdr_dim (pdr1);
   graphite_dim_t dim2 = pdr_dim (pdr2);
-  graphite_dim_t dim = tdim1 + tdim2 + dim1 + dim2;
+  graphite_dim_t dim = tdim1 + tdim2 + dim1 + dim2 - gdim;
   ppl_Pointset_Powerset_C_Polyhedron_t res;
   ppl_Pointset_Powerset_C_Polyhedron_t id1, id2, isc1, isc2, idr1, idr2;
   ppl_Pointset_Powerset_C_Polyhedron_t sc1, sc2, dreq;