diff options
Diffstat (limited to 'gcc/tree-vect-loop-manip.c')
| -rw-r--r-- | gcc/tree-vect-loop-manip.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/tree-vect-loop-manip.c b/gcc/tree-vect-loop-manip.c index 0156c97..d60b84e 100644 --- a/gcc/tree-vect-loop-manip.c +++ b/gcc/tree-vect-loop-manip.c @@ -1691,9 +1691,11 @@ vect_do_peeling (loop_vec_info loop_vinfo, tree niters, tree nitersm1, /* Prolog loop may be skipped. */ bool skip_prolog = (prolog_peeling != 0); - /* Skip to epilog if scalar loop may be preferred. It's only used when - we peel for epilog loop. */ - bool skip_vector = (!LOOP_VINFO_NITERS_KNOWN_P (loop_vinfo)); + /* Skip to epilog if scalar loop may be preferred. It's only needed + when we peel for epilog loop and when it hasn't been checked with + loop versioning. */ + bool skip_vector = (!LOOP_VINFO_NITERS_KNOWN_P (loop_vinfo) + && !LOOP_REQUIRES_VERSIONING (loop_vinfo)); /* Epilog loop must be executed if the number of iterations for epilog loop is known at compile time, otherwise we need to add a check at the end of vector loop and skip to the end of epilog loop. */ |