dump param name when timing out

     * graphite-optimize-isl.c (optimize_isl): Improve dump message.

From-SVN: r231464

gcc/ChangeLog

+2015-12-09  Aditya Kumar  <aditya.k7@samsung.com>
+	    Sebastian Pop  <s.pop@samsung.com>
+
+	* graphite-optimize-isl.c (optimize_isl): Improve dump message.
+
 2015-12-09  Marek Polacek  <polacek@redhat.com>
 
 	PR tree-optimization/66949

gcc/graphite-optimize-isl.c

@@ -426,7 +426,7 @@ optimize_isl (scop_p scop)
   if (!schedule || isl_ctx_last_error (scop->isl_context) == isl_error_quota)
     {
       if (dump_file && dump_flags)
-	fprintf (dump_file, "ISL timed out at %d operations\n",
+	fprintf (dump_file, "ISL timed out --param max-isl-operations=%d\n",
 		 max_operations);
       if (schedule)
 	isl_schedule_free (schedule);