* tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.

	(tree_ssa_dominator_optimize): Increment it.
	(dump_dominator_optimization_stats): Print it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102553 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 212be18..374414b 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2005-07-29  Diego Novillo  <dnovillo@redhat.com>
+
+       * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
+       (tree_ssa_dominator_optimize): Increment it.
+       (dump_dominator_optimization_stats): Print it.
+
 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
            Steven Bosscher  <stevenb@suse.de>
 

diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c
index 691887c..1a59e9e 100644 (file)
--- a/gcc/tree-ssa-dom.c
+++ b/gcc/tree-ssa-dom.c
@@ -166,6 +166,7 @@ struct opt_stats_d
   long num_re;
   long num_const_prop;
   long num_copy_prop;
+  long num_iterations;
 };
 
 static struct opt_stats_d opt_stats;
@@ -524,6 +525,8 @@ tree_ssa_dominator_optimize (void)
          if (value && !is_gimple_min_invariant (value))
            SSA_NAME_VALUE (name) = NULL;
        }
+
+      opt_stats.num_iterations++;
     }
   while (optimize > 1 && cfg_altered);
 
@@ -1356,6 +1359,9 @@ dump_dominator_optimization_stats (FILE *file)
   fprintf (file, "    Copies propagated:                        %6ld\n",
           opt_stats.num_copy_prop);
 
+  fprintf (file, "\nTotal number of DOM iterations:             %6ld\n",
+          opt_stats.num_iterations);
+
   fprintf (file, "\nHash table statistics:\n");
 
   fprintf (file, "    avail_exprs: ");