Relax the definition of same_pdr_p.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
	* graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
	of both data references to be the same.

From-SVN: r169210

gcc/ChangeLog

 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
 
+	* graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
+	* graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
+	of both data references to be the same.
+
+2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
+
 	* graphite-dependences.c (build_lexicographical_constraint): Remove the
 	gdim parameter.
 	(build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.

gcc/ChangeLog.graphite

 2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
 
+	* graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
+	* graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
+	of both data references to be the same.
+
+2011-01-17  Sebastian Pop  <sebastian.pop@amd.com>
+
 	* graphite-dependences.c (build_lexicographical_constraint): Remove the
 	gdim parameter.
 	(build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.

gcc/graphite-dependences.c

@@ -531,8 +531,7 @@ new_poly_ddr (poly_dr_p pdr1, poly_dr_p pdr2,
     PDDR_KIND (res) = unknown_dependence;
 
   else if (!(pdr_read_p (pdr1) && pdr_read_p (pdr2))
-	   && PDR_BASE_OBJECT_SET (pdr1) == PDR_BASE_OBJECT_SET (pdr2)
-	   && PDR_NB_SUBSCRIPTS (pdr1) == PDR_NB_SUBSCRIPTS (pdr2)
+	   && same_pdr_p (pdr1, pdr2)
 	   && may_alias)
     {
       PDDR_DDP (res) = dependence_polyhedron (pdr1, pdr2, direction,

gcc/graphite-poly.h

@@ -301,8 +301,7 @@ pdr_may_write_p (poly_dr_p pdr)
 static inline bool
 same_pdr_p (poly_dr_p pdr1, poly_dr_p pdr2)
 {
-  return PDR_TYPE (pdr1) == PDR_TYPE (pdr2)
-    && PDR_NB_SUBSCRIPTS (pdr1) == PDR_NB_SUBSCRIPTS (pdr2)
+  return PDR_NB_SUBSCRIPTS (pdr1) == PDR_NB_SUBSCRIPTS (pdr2)
     && PDR_BASE_OBJECT_SET (pdr1) == PDR_BASE_OBJECT_SET (pdr2);
 }