[Bug tree-optimization/43431] Diagnostic message is not clear for vectorization profitability analysis

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2010-03-28 17:01 -------
(In reply to comment #3)
> What about fixing this bug with 
> 
> diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c
> index afbd342..2601b58 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;
>      }
> 

Looks good to me.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43431