diff options
| author | Bin Cheng <bin.cheng@arm.com> | 2016-06-17 09:17:39 +0000 |
|---|---|---|
| committer | Bin Cheng <bin.cheng@arm.com> | 2016-06-17 09:17:39 +0000 |
| commit | e5c2554b13ebbbdf520a84264d2c27fa40455be8 (patch) | |
| tree | 5dc12884f2dbf02861d6a012af0ce16abbac1c11 | |
| parent | f580c25455c61e16491232619655cfddbbcf7fc9 (diff) | |
* tree-vect-loop.c (vect_create_epilog_for_reduction): Only
insert gimple seq if it's not empty.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@237550 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-vect-loop.c | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d0699e2c397..aa2f101dcf1 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-06-17 Bin Cheng <bin.cheng@arm.com> + + * tree-vect-loop.c (vect_create_epilog_for_reduction): Only + insert gimple seq if it's not empty. + 2016-06-17 Bin Cheng <bin.cheng@arm.com> * tree-vectorizer.h (struct dr_with_seg_len): Remove class diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index a2413bf9c67..6c0337bbbcb 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -4353,7 +4353,9 @@ vect_create_epilog_for_reduction (vec<tree> vect_defs, gimple *stmt, gimple_seq stmts; vec_init_def = force_gimple_operand (vec_initial_defs[i], &stmts, true, NULL_TREE); - gsi_insert_seq_on_edge_immediate (loop_preheader_edge (loop), stmts); + if (stmts) + gsi_insert_seq_on_edge_immediate (loop_preheader_edge (loop), stmts); + def = vect_defs[i]; for (j = 0; j < ncopies; j++) { |