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New function combine_context_id_scat.

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2010-03-04  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-poly.h (struct poly_scattering): Add layout documentation.
	(struct poly_bb): Same.
	(combine_context_id_scat): New.

From-SVN: r157281
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Sebastian Pop 2010-03-08 17:49:02 +00:00 committed by Sebastian Pop
parent 392c0ce1d7
commit aa52513e04
2 changed files with 57 additions and 2 deletions
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6
gcc/ChangeLog.graphite
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@ -1,3 +1,9 @@
2010-03-04 Sebastian Pop <sebastian.pop@amd.com>
* graphite-poly.h (struct poly_scattering): Add layout documentation.
(struct poly_bb): Same.
(combine_context_id_scat): New.
2010-03-02 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/42326

53
gcc/graphite-poly.h
View File

@ -263,7 +263,9 @@ typedef struct poly_scattering *poly_scattering_p;
struct poly_scattering
{
/* The scattering function containing the transformations. */
/* The scattering function containing the transformations: the
layout of this polyhedron is: T|I|G with T the transform
scattering, I the iteration domain, G the context parameters. */
ppl_Polyhedron_t scattering;
/* The number of local variables. */
@ -283,7 +285,9 @@ struct poly_bb
/* Pointer to the SCOP containing this PBB. */
scop_p scop;
/* The iteration domain of this bb.
/* The iteration domain of this bb. The layout of this polyhedron
is I|G with I the iteration domain, G the context parameters.
Example:
for (i = a - 7*b + 8; i <= 3*a + 13*b + 20; i++)
@ -1467,4 +1471,49 @@ restore_scattering (scop_p scop)
restore_lst_schedule (scop);
}
/* For a given PBB, add to RES the scop context, the iteration domain,
the original scattering when ORIGINAL_P is true, otherwise add the
transformed scattering. */
static inline void
combine_context_id_scat (ppl_Pointset_Powerset_C_Polyhedron_t *res,
poly_bb_p pbb, bool original_p)
{
ppl_Pointset_Powerset_C_Polyhedron_t context;
ppl_Pointset_Powerset_C_Polyhedron_t id;
ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron
(res, original_p ?
PBB_ORIGINAL_SCATTERING (pbb) : PBB_TRANSFORMED_SCATTERING (pbb));
ppl_new_Pointset_Powerset_C_Polyhedron_from_Pointset_Powerset_C_Polyhedron
(&context, SCOP_CONTEXT (PBB_SCOP (pbb)));
ppl_new_Pointset_Powerset_C_Polyhedron_from_Pointset_Powerset_C_Polyhedron
(&id, PBB_DOMAIN (pbb));
/* Extend the context and the iteration domain to the dimension of
the scattering: T|I|G. */
{
ppl_dimension_type gdim, tdim, idim;
ppl_Pointset_Powerset_C_Polyhedron_space_dimension (*res, &tdim);
ppl_Pointset_Powerset_C_Polyhedron_space_dimension (context, &gdim);
ppl_Pointset_Powerset_C_Polyhedron_space_dimension (id, &idim);
if (tdim > gdim)
ppl_insert_dimensions_pointset (context, 0, tdim - gdim);
if (tdim > idim)
ppl_insert_dimensions_pointset (id, 0, tdim - idim);
}
/* Add the context and the iteration domain to the result. */
ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (*res, context);
ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (*res, id);
ppl_delete_Pointset_Powerset_C_Polyhedron (context);
ppl_delete_Pointset_Powerset_C_Polyhedron (id);
}
#endif