diff options
| author | Sebastian Pop <sebastian.pop@amd.com> | 2009-08-28 20:37:56 +0000 |
|---|---|---|
| committer | Sebastian Pop <sebastian.pop@amd.com> | 2009-08-28 20:37:56 +0000 |
| commit | 2535f02eefd30bfa36c9784f1b0a96d6561c8bed (patch) | |
| tree | b1813bee7a0fc870af191292a08b849f84e575fc /gcc/graphite-dependences.c | |
| parent | a5e774ff304d9b87c5e37a1825a22055bbc02bf0 (diff) | |
2009-08-28 Sebastian Pop <sebastian.pop@amd.com>
* graphite-dependences.c (pddr_original_scattering): Return NULL
for read-read dependence relations.
* graphite-poly.h (enum poly_dr_type): Fix comment.
(pdr_read_p): New.
(pdr_write_p): New.
(pdr_may_write_p): New.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@151189 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/graphite-dependences.c')
| -rw-r--r-- | gcc/graphite-dependences.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/graphite-dependences.c b/gcc/graphite-dependences.c index 2a3c8086895..4dfe6929952 100644 --- a/gcc/graphite-dependences.c +++ b/gcc/graphite-dependences.c @@ -507,7 +507,8 @@ pddr_original_scattering (poly_bb_p pbb1, poly_bb_p pbb2, ppl_Polyhedron_t so1 = PBB_ORIGINAL_SCATTERING (pbb1); ppl_Polyhedron_t so2 = PBB_ORIGINAL_SCATTERING (pbb2); - if (PDR_NB_SUBSCRIPTS (pdr1) != PDR_NB_SUBSCRIPTS (pdr2)) + if (PDR_NB_SUBSCRIPTS (pdr1) != PDR_NB_SUBSCRIPTS (pdr2) + || (pdr_read_p (pdr1) && pdr_read_p (pdr2))) return NULL; pddr = dependence_polyhedron (pbb1, pbb2, d1, d2, pdr1, pdr2, so1, so2, |