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author | Sebastian Pop <sebastian.pop@amd.com> | 2011-01-25 06:47:21 +0000 |
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committer | Sebastian Pop <spop@gcc.gnu.org> | 2011-01-25 06:47:21 +0000 |
commit | c513da01e3e9f1d8516858b995a3a9c274494f1a (patch) | |
tree | 7fda3df477b00ff356e2e1b06aea838d215ecfee /gcc/graphite-sese-to-poly.c | |
parent | 3a292d59099b0932abcad997e618d3d2ff22b8f3 (diff) | |
download | gcc-c513da01e3e9f1d8516858b995a3a9c274494f1a.tar.gz |
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.
From-SVN: r169212
Diffstat (limited to 'gcc/graphite-sese-to-poly.c')
-rw-r--r-- | gcc/graphite-sese-to-poly.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/graphite-sese-to-poly.c b/gcc/graphite-sese-to-poly.c index 301fb9688ca..a7178efed94 100644 --- a/gcc/graphite-sese-to-poly.c +++ b/gcc/graphite-sese-to-poly.c @@ -2640,7 +2640,9 @@ split_reduction_stmt (scop_p scop, gimple stmt) /* Do not split basic blocks with no writes to memory: the reduction will be the only write to memory. */ - if (nb_data_writes_in_bb (bb) == 0) + if (nb_data_writes_in_bb (bb) == 0 + /* Or if we have already marked BB as a reduction. */ + || PBB_IS_REDUCTION (pbb_from_bb (bb))) return bb; e1 = split_pbb (scop, pbb, bb, stmt); |