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| author | Richard Biener <rguenther@suse.de> | 2018-11-26 15:37:35 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2018-11-26 15:37:35 +0000 |
| commit | ef6e6914c8245ca24dae952bc054ae2328e751ab (patch) | |
| tree | 99a95accf31970bfb7c5ca83ed8d9a15a5e4db6f /gcc/tree-vect-slp.c | |
| parent | c393c7482fa7c6953f256724e8c6bd282d404e7c (diff) | |
| download | gcc-ef6e6914c8245ca24dae952bc054ae2328e751ab.zip gcc-ef6e6914c8245ca24dae952bc054ae2328e751ab.tar.gz gcc-ef6e6914c8245ca24dae952bc054ae2328e751ab.tar.bz2 | |
re PR tree-optimization/88182 (ICE in vectorizable_reduction, at tree-vect-loop.c:6465)
2018-11-26 Richard Biener <rguenther@suse.de>
PR tree-optimization/88182
* tree-vect-loop.c (vectorizable_reduction): Pick up single
correct reduc_def_info.
* tree-vect-slp.c (vect_analyze_slp_instance): Set
STMT_VINFO_REDUC_DEF of the first stmt.
libgomp/
* testsuite/libgomp.c++/pr88182.C: New testcase.
From-SVN: r266467
Diffstat (limited to 'gcc/tree-vect-slp.c')
| -rw-r--r-- | gcc/tree-vect-slp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c index 9e805d0..4267cc9 100644 --- a/gcc/tree-vect-slp.c +++ b/gcc/tree-vect-slp.c @@ -1952,6 +1952,8 @@ vect_analyze_slp_instance (vec_info *vinfo, transform the node. In the reduction analysis phase only the last element of the chain is marked as reduction. */ STMT_VINFO_DEF_TYPE (stmt_info) = vect_reduction_def; + STMT_VINFO_REDUC_DEF (vect_orig_stmt (stmt_info)) + = STMT_VINFO_REDUC_DEF (vect_orig_stmt (scalar_stmts.last ())); } else { |