Scattering permutations.
2009-10-28 Konrad Trifunovic <konrad.trifunovic@gmail.com>
* graphite-poly.c (print_permutation): New.
(debug_permutation): New.
(new_poly_bb): Initialize PBB_PERMUTATION.
(free_poly_bb): Free PBB_PERMUTATION.
* graphite-poly.h (pbb_permutation_elt_p): Declared.
(struct pbb_permutation_elt): New.
(PBB_PERMUTATION_ELT_STRIDE): New.
(PBB_PERMUTATION_ELT_STRIDED_P): New.
(PBB_PERMUTATION_ELT_TIME_DIMENSION): New.
(new_pbb_permutation_elt): New.
(pbb_permutation_elt_free): New.
(struct poly_bb): Add field permutation.
(PBB_PERMUTATION): New.
(print_permutation): Declared.
(debug_permutation): Declared.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/graphite@153675 138bc75d-0d04-0410-961f-82ee72b054a4