PR tree-optimization/43482

[pf3gnuchains/gcc-fork.git] / gcc / tree-vect-slp.c

diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c
index 99a865f..6949ebd 100644 (file)
--- a/gcc/tree-vect-slp.c
+++ b/gcc/tree-vect-slp.c
@@ -1213,7 +1213,7 @@ vect_analyze_slp (loop_vec_info loop_vinfo, bb_vec_info bb_vinfo)
     }
 
   /* Find SLP sequences starting from groups of reductions.  */
-  if (loop_vinfo &&  VEC_length (gimple, LOOP_VINFO_REDUCTIONS (loop_vinfo))
+  if (loop_vinfo && VEC_length (gimple, LOOP_VINFO_REDUCTIONS (loop_vinfo)) > 1
       && vect_analyze_slp_instance (loop_vinfo, bb_vinfo, 
                                     VEC_index (gimple, reductions, 0)))
     ok = true;