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| author | Richard Biener <rguenther@suse.de> | 2019-07-12 14:36:50 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-07-12 14:36:50 +0000 |
| commit | cf91b5997dec281e4b784c163d76d5be3e8569f6 (patch) | |
| tree | be91e099751f1fd3d9053da3a320b2d942abc9fa /gcc/tree-vect-slp.c | |
| parent | b847405adee3059762816ab009bc4a5281b5b911 (diff) | |
| download | gcc-cf91b5997dec281e4b784c163d76d5be3e8569f6.zip gcc-cf91b5997dec281e4b784c163d76d5be3e8569f6.tar.gz gcc-cf91b5997dec281e4b784c163d76d5be3e8569f6.tar.bz2 | |
re PR tree-optimization/91145 (ICE: in vect_build_slp_tree_2, at tree-vect-slp.c:1143 with -march=skylake-avx512 -O3)
2019-07-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/91145
* tree-vect-slp.c (vect_build_slp_tree_2): Fix reduction
chain check.
* gcc.dg/torture/pr91145.c: New testcase.
From-SVN: r273445
Diffstat (limited to 'gcc/tree-vect-slp.c')
| -rw-r--r-- | gcc/tree-vect-slp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c index d172c3a..31f4519 100644 --- a/gcc/tree-vect-slp.c +++ b/gcc/tree-vect-slp.c @@ -1140,7 +1140,8 @@ vect_build_slp_tree_2 (vec_info *vinfo, FOR_EACH_VEC_ELT (stmts, i, other_info) { /* But for reduction chains only check on the first stmt. */ - if (REDUC_GROUP_FIRST_ELEMENT (other_info) + if (!STMT_VINFO_DATA_REF (other_info) + && REDUC_GROUP_FIRST_ELEMENT (other_info) && REDUC_GROUP_FIRST_ELEMENT (other_info) != stmt_info) continue; if (STMT_VINFO_DEF_TYPE (other_info) != def_type) |