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| author | Richard Guenther <rguenther@suse.de> | 2012-09-19 08:59:06 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-09-19 08:59:06 +0000 |
| commit | f20132e7aefa8b3615154925559dd19f204c8eca (patch) | |
| tree | 7f44b8ca0eade367dc7e06f3690a419c4745c5d5 /gcc/tree-data-ref.h | |
| parent | f7d0c571f76a47e432cecdc04d2d89dc734cd36a (diff) | |
| download | gcc-f20132e7aefa8b3615154925559dd19f204c8eca.zip gcc-f20132e7aefa8b3615154925559dd19f204c8eca.tar.gz gcc-f20132e7aefa8b3615154925559dd19f204c8eca.tar.bz2 | |
re PR tree-optimization/54132 (Incorrect loop transformation with -ftree-loop-distribute-patterns)
2012-09-19 Richard Guenther <rguenther@suse.de>
PR tree-optimization/54132
* tree-loop-distribution.c (classify_partition): Properly
check dependences for memmove.
* tree-data-ref.h (compute_affine_dependence): Declare.
* tree-data-ref.c (compute_affine_dependence): Export.
* gcc.dg/tree-ssa/ldist-21.c: New testcase.
* gcc.dg/torture/pr54132.c: Likewise.
From-SVN: r191463
Diffstat (limited to 'gcc/tree-data-ref.h')
| -rw-r--r-- | gcc/tree-data-ref.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-data-ref.h b/gcc/tree-data-ref.h index db33e32..b00a4f7 100644 --- a/gcc/tree-data-ref.h +++ b/gcc/tree-data-ref.h @@ -396,6 +396,8 @@ struct data_reference *create_data_ref (loop_p, loop_p, tree, gimple, bool); extern bool find_loop_nest (struct loop *, VEC (loop_p, heap) **); extern struct data_dependence_relation *initialize_data_dependence_relation (struct data_reference *, struct data_reference *, VEC (loop_p, heap) *); +extern void compute_affine_dependence (struct data_dependence_relation *, + loop_p); extern void compute_self_dependence (struct data_dependence_relation *); extern bool compute_all_dependences (VEC (data_reference_p, heap) *, VEC (ddr_p, heap) **, VEC (loop_p, heap) *, |