diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e5f0323d2ae5c1b1d421a2ff52fcfd42f5fc12d4..f99e86611063c26429683c51a0077553d9bbc6c8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
+
+	PR middle-end/43431
+	* tree-vect-loop.c (vect_estimate_min_profitable_iters):
+	Improve vectorization cost model diagnostic.
+
 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
 
 	PR middle-end/43436
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c
index afbd342fd1cd2053e9087a314af1fc9d9a292e7c..2601b58d38ea77daa01db6b83aeee1289d2d3769 100644
--- a/gcc/tree-vect-loop.c
+++ b/gcc/tree-vect-loop.c
@@ -2173,9 +2173,9 @@ vect_estimate_min_profitable_iters (loop_vec_info loop_vinfo)
   else
     {
       if (vect_print_dump_info (REPORT_COST))
-        fprintf (vect_dump, "cost model: vector iteration cost = %d "
-                 "is divisible by scalar iteration cost = %d by a factor "
-                 "greater than or equal to the vectorization factor = %d .",
+        fprintf (vect_dump, "cost model: the vector iteration cost = %d "
+		 "divided by the scalar iteration cost = %d "
+		 "is greater or equal to the vectorization factor = %d.",
                  vec_inside_cost, scalar_single_iter_cost, vf);
       return -1;
     }