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Diffstat (limited to 'gcc/tree-vect-loop.cc')
| -rw-r--r-- | gcc/tree-vect-loop.cc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc index d7bc34636bd..f53a634a390 100644 --- a/gcc/tree-vect-loop.cc +++ b/gcc/tree-vect-loop.cc @@ -9977,7 +9977,11 @@ vect_transform_loop (loop_vec_info loop_vinfo, gimple *loop_vectorized_call) lowest_vf) - 1 : wi::udiv_floor (loop->nb_iterations_upper_bound + bias_for_lowest, lowest_vf) - 1); - if (main_vinfo) + if (main_vinfo + /* Both peeling for alignment and peeling for gaps can end up + with the scalar epilogue running for more than VF-1 iterations. */ + && !main_vinfo->peeling_for_alignment + && !main_vinfo->peeling_for_gaps) { unsigned int bound; poly_uint64 main_iters |