2004-11-16 Eric Christopher <echristo@redhat.com>

[pf3gnuchains/gcc-fork.git] / gcc / tree-ssa-pre.c

diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index 3d505b5..113ec83 100644 (file)
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -363,7 +363,7 @@ expr_pred_trans_eq (const void *p1, const void *p2)
     return false;
 
   /* If they are for the same basic block, determine if the
-     expressions are equal.   */  
+     expressions are equal.  */  
   if (expressions_equal_p (ve1->e, ve2->e))
     return true;
   
@@ -768,18 +768,20 @@ bitmap_print_value_set (FILE *outfile, bitmap_set_t set,
   fprintf (outfile, "%s[%d] := { ", setname, blockindex);
   if (set)
     {
-      int i;
+      bool first = true;
+      unsigned i;
       bitmap_iterator bi;
 
       EXECUTE_IF_SET_IN_BITMAP (set->expressions, 0, i, bi)
        {
+         if (!first)
+           fprintf (outfile, ", ");
+         first = false;
          print_generic_expr (outfile, ssa_name (i), 0);
        
          fprintf (outfile, " (");
          print_generic_expr (outfile, get_value_handle (ssa_name (i)), 0);
          fprintf (outfile, ") ");
-         if (bitmap_last_set_bit (set->expressions) != i)
-           fprintf (outfile, ", ");
        }
     }
   fprintf (outfile, " }\n");
@@ -866,7 +868,7 @@ phi_translate (tree expr, value_set_t set, basic_block pred,
   switch (TREE_CODE_CLASS (TREE_CODE (expr)))
     {
     case tcc_reference:
-      /* XXX: Until we have PRE of loads working, none will be ANTIC. */
+      /* XXX: Until we have PRE of loads working, none will be ANTIC.  */
       return NULL;
 
     case tcc_binary:
@@ -1415,7 +1417,7 @@ insert_aux (basic_block block)
       dom = get_immediate_dominator (CDI_DOMINATORS, block);
       if (dom)
        {
-         int i;
+         unsigned i;
          bitmap_iterator bi;
 
          bitmap_set_t newset = NEW_SETS (dom);
@@ -1941,7 +1943,7 @@ init_pre (void)
   unary_node_pool = create_alloc_pool ("Unary tree nodes",
                                       tree_code_size (NEGATE_EXPR), 30);
   reference_node_pool = create_alloc_pool ("Reference tree nodes",
-                                          tree_code_size (COMPONENT_REF), 30);
+                                          tree_code_size (ARRAY_REF), 30);
   FOR_ALL_BB (bb)
     {
       EXP_GEN (bb) = set_new (true);
@@ -1962,7 +1964,7 @@ fini_pre (void)
   basic_block bb;
   unsigned int i;
 
-  bsi_commit_edge_inserts (NULL);
+  bsi_commit_edge_inserts ();
 
   obstack_free (&grand_bitmap_obstack, NULL);
   free_alloc_pool (value_set_pool);
@@ -1983,7 +1985,7 @@ fini_pre (void)
   free_dominance_info (CDI_POST_DOMINATORS);
   vn_delete ();
 
-  if (bitmap_first_set_bit (need_eh_cleanup) >= 0)
+  if (!bitmap_empty_p (need_eh_cleanup))
     {
       tree_purge_all_dead_eh_edges (need_eh_cleanup);
       cleanup_tree_cfg ();