tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.

	* tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
	(coalesce_ssa_name): Don't check for
	SSANORM_USE_COALESCE_LIST.
	(rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.

From-SVN: r95397

gcc/ChangeLog

@@ -4,6 +4,11 @@
 	not available.  Use tail calls wherever possible.
 	(make_edge): Call unchecked_make_edge to create an edge.
 
+	* tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
+	(coalesce_ssa_name): Don't check for
+	SSANORM_USE_COALESCE_LIST.
+	(rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
+
 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
 
 	* tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...

gcc/tree-outof-ssa.c

@@ -52,7 +52,6 @@ Boston, MA 02111-1307, USA.  */
 #define SSANORM_PERFORM_TER		0x1
 #define SSANORM_COMBINE_TEMPS		0x2
 #define SSANORM_COALESCE_PARTITIONS	0x4
-#define SSANORM_USE_COALESCE_LIST	0x8
 
 /* Used to hold all the components required to do SSA PHI elimination.
    The node and pred/succ list is a simple linear list of nodes and
@@ -696,10 +695,6 @@ coalesce_ssa_name (var_map map, int flags)
   if (num_var_partitions (map) <= 1)
     return NULL;
 
-  /* If no preference given, use cheap coalescing of all partitions.  */
-  if ((flags & (SSANORM_COALESCE_PARTITIONS | SSANORM_USE_COALESCE_LIST)) == 0)
-    flags |= SSANORM_COALESCE_PARTITIONS;
-  
   liveinfo = calculate_live_on_entry (map);
   calculate_live_on_exit (liveinfo);
   rv = root_var_init (map);
@@ -707,8 +702,6 @@ coalesce_ssa_name (var_map map, int flags)
   /* Remove single element variable from the list.  */
   root_var_compact (rv);
 
-  if (flags & SSANORM_USE_COALESCE_LIST)
-    {
   cl = create_coalesce_list (map);
 
   /* Add all potential copies via PHI arguments to the list.  */
@@ -753,7 +746,6 @@ coalesce_ssa_name (var_map map, int flags)
 	    add_coalesce (cl, i, x, 1);
 	}
     }
-    }
 
   /* Build a conflict graph.  */
   graph = build_tree_conflict_graph (liveinfo, rv, cl);
@@ -832,12 +824,10 @@ coalesce_ssa_name (var_map map, int flags)
     dump_var_map (dump_file, map);
 
   /* Coalesce partitions.  */
-  if (flags & SSANORM_USE_COALESCE_LIST)
   coalesce_tpa_members (rv, graph, map, cl,
 			((dump_flags & TDF_DETAILS) ? dump_file
 			 : NULL));
 
-  
   if (flags & SSANORM_COALESCE_PARTITIONS)
     coalesce_tpa_members (rv, graph, map, NULL,
 			  ((dump_flags & TDF_DETAILS) ? dump_file
@@ -2489,7 +2479,7 @@ rewrite_out_of_ssa (void)
 {
   var_map map;
   int var_flags = 0;
-  int ssa_flags = SSANORM_USE_COALESCE_LIST;
+  int ssa_flags = 0;
 
   /* If elimination of a PHI requires inserting a copy on a backedge,
      then we will have to split the backedge which has numerous