revert: tree-inline.c (estimate_num_insns): Estimate call cost for tailcalls properly.

2012-06-26  Richard Guenther  <rguenther@suse.de>

	Revert
	2012-06-21  Richard Guenther  <rguenther@suse.de>

	* tree-inline.c (estimate_num_insns): Estimate call cost for
	tailcalls properly.

From-SVN: r188985

gcc/ChangeLog

+2012-06-26  Richard Guenther  <rguenther@suse.de>
+
+	Revert
+	2012-06-21  Richard Guenther  <rguenther@suse.de>
+
+	* tree-inline.c (estimate_num_insns): Estimate call cost for
+	tailcalls properly.
+
 2012-06-26  Steven Bosscher  <steven@gcc.gnu.org>
 
 	PR other/33190

gcc/tree-inline.c

@@ -3611,8 +3611,6 @@ estimate_num_insns (gimple stmt, eni_weights *weights)
 	  }
 
 	cost = node ? weights->call_cost : weights->indirect_call_cost;
-	if (!gimple_call_tail_p (stmt))
-	  {
 	if (gimple_call_lhs (stmt))
 	  cost += estimate_move_cost (TREE_TYPE (gimple_call_lhs (stmt)));
 	for (i = 0; i < gimple_call_num_args (stmt); i++)
@@ -3620,7 +3618,6 @@ estimate_num_insns (gimple stmt, eni_weights *weights)
 	    tree arg = gimple_call_arg (stmt, i);
 	    cost += estimate_move_cost (TREE_TYPE (arg));
 	  }
-	  }
 	break;
       }