diff options
| author | Sebastian Pop <sebastian.pop@amd.com> | 2011-01-25 06:47:21 +0000 |
|---|---|---|
| committer | Sebastian Pop <sebastian.pop@amd.com> | 2011-01-25 06:47:21 +0000 |
| commit | 1424647c9fbef92c8540b63adc86e578faf41018 (patch) | |
| tree | 7fda3df477b00ff356e2e1b06aea838d215ecfee /gcc/graphite-dependences.c | |
| parent | fe41998e0f35de65a0ec9554f3670ede7fbe056a (diff) | |
Allow several reductions in a reduction PBB.
2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
* graphite-dependences.c (reduction_dr_1): Allow several reductions
in a reduction PBB.
* graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
that have already been marked as PBB_IS_REDUCTION.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@169212 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/graphite-dependences.c')
| -rw-r--r-- | gcc/graphite-dependences.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/graphite-dependences.c b/gcc/graphite-dependences.c index d45c7ce2aea..b9b1d1b5880 100644 --- a/gcc/graphite-dependences.c +++ b/gcc/graphite-dependences.c @@ -571,10 +571,11 @@ reduction_dr_1 (poly_bb_p pbb1, poly_dr_p pdr1, poly_dr_p pdr2) poly_dr_p pdr; FOR_EACH_VEC_ELT (poly_dr_p, PBB_DRS (pbb1), i, pdr) - if (PDR_TYPE (pdr) == PDR_WRITE) - break; + if (PDR_TYPE (pdr) == PDR_WRITE + && same_pdr_p (pdr, pdr1) && same_pdr_p (pdr, pdr2)) + return true; - return same_pdr_p (pdr, pdr1) && same_pdr_p (pdr, pdr2); + return false; } /* Return true when the data dependence relation between the data |