2009-10-15 Sebastian Pop <sebastian.pop@amd.com>

	* graphite-interchange.c (memory_stride_in_loop): The depth
	argument corresponds to a dynamic time dimension, so use
	psct_dynamic_dim to refer to the transformed scattering dimension.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@154595 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog.graphite b/gcc/ChangeLog.graphite
index c5cf925..99d4939 100644 (file)
--- a/gcc/ChangeLog.graphite
+++ b/gcc/ChangeLog.graphite
@@ -1,5 +1,11 @@
 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
 
+       * graphite-interchange.c (memory_stride_in_loop): The depth
+       argument corresponds to a dynamic time dimension, so use
+       psct_dynamic_dim to refer to the transformed scattering dimension.
+
+2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>
+
        * graphite-interchange.c (memory_stride_in_loop): Fix comments.
 
 2009-10-15  Sebastian Pop  <sebastian.pop@amd.com>

diff --git a/gcc/graphite-interchange.c b/gcc/graphite-interchange.c
index 4321732..0e432ce 100644 (file)
--- a/gcc/graphite-interchange.c
+++ b/gcc/graphite-interchange.c
@@ -110,6 +110,7 @@ build_linearized_memory_access (ppl_dimension_type offset, poly_dr_p pdr)
 static void
 memory_stride_in_loop (Value stride, graphite_dim_t depth, poly_dr_p pdr)
 {
+  ppl_dimension_type time_depth;
   ppl_Linear_Expression_t le, lma;
   ppl_Constraint_t new_cstr;
   ppl_dimension_type i, *map;
@@ -223,8 +224,10 @@ memory_stride_in_loop (Value stride, graphite_dim_t depth, poly_dr_p pdr)
      This means that all the time dimensions are equal except for
      depth, where we will add t_{depth} = t'_{depth} + 1 in the next
      step.  */
+
+  time_depth = psct_dynamic_dim (pbb, depth);
   for (i = 0; i < dim_sctr; i++)
-    if (i != depth)
+    if (i != time_depth)
       {
         ppl_new_Linear_Expression_with_dimension (&le, new_dim);
         ppl_set_coef (le, i, 1);
@@ -241,8 +244,8 @@ memory_stride_in_loop (Value stride, graphite_dim_t depth, poly_dr_p pdr)
      between two consecutive points in time dimensions.  */
   {
     ppl_new_Linear_Expression_with_dimension (&le, new_dim);
-    ppl_set_coef (le, depth, 1);
-    ppl_set_coef (le, depth + offset, -1);
+    ppl_set_coef (le, time_depth, 1);
+    ppl_set_coef (le, time_depth + offset, -1);
     ppl_set_inhomogeneous (le, 1);
     ppl_new_Constraint (&new_cstr, le, PPL_CONSTRAINT_TYPE_EQUAL);
     ppl_Pointset_Powerset_C_Polyhedron_add_constraint (p2, new_cstr);