2008-02-25 Richard Guenther <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@132629 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 10 insertions, 13 deletions

diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
index 26f1af4196a..ba1db90a996 100644
--- a/gcc/tree-sra.c
+++ b/gcc/tree-sra.c
@@ -1162,18 +1162,17 @@ scan_function (void)
   static const struct sra_walk_fns fns = {
     scan_use, scan_copy, scan_init, scan_ldst, true
   };
-  bitmap_iterator bi;
 
   sra_walk_function (&fns);
 
   if (dump_file && (dump_flags & TDF_DETAILS))
     {
-      unsigned i;
+      referenced_var_iterator ri;
+      tree var;
 
       fputs ("\nScan results:\n", dump_file);
-      EXECUTE_IF_SET_IN_BITMAP (sra_candidates, 0, i, bi)
+      FOR_EACH_REFERENCED_VAR_IN_BITMAP (sra_candidates, var, ri)
 	{
-	  tree var = referenced_var (i);
 	  struct sra_elt *elt = lookup_element (NULL, var, NULL, NO_INSERT);
 	  if (elt)
 	    scan_dump (elt);
@@ -1950,19 +1949,18 @@ decide_block_copy (struct sra_elt *elt)
 static void
 decide_instantiations (void)
 {
-  unsigned int i;
   bool cleared_any;
   bitmap_head done_head;
-  bitmap_iterator bi;
+  referenced_var_iterator ri;
+  tree var;
 
   /* We cannot clear bits from a bitmap we're iterating over,
      so save up all the bits to clear until the end.  */
   bitmap_initialize (&done_head, &bitmap_default_obstack);
   cleared_any = false;
 
-  EXECUTE_IF_SET_IN_BITMAP (sra_candidates, 0, i, bi)
+  FOR_EACH_REFERENCED_VAR_IN_BITMAP (sra_candidates, var, ri)
     {
-      tree var = referenced_var (i);
       struct sra_elt *elt = lookup_element (NULL, var, NULL, NO_INSERT);
       if (elt)
 	{
@@ -1972,7 +1970,7 @@ decide_instantiations (void)
 	}
       if (!elt)
 	{
-	  bitmap_set_bit (&done_head, i);
+	  bitmap_set_bit (&done_head, DECL_UID (var));
 	  cleared_any = true;
 	}
     }
@@ -3532,12 +3530,11 @@ static void
 scalarize_parms (void)
 {
   tree list = NULL;
-  unsigned i;
-  bitmap_iterator bi;
+  referenced_var_iterator ri;
+  tree var;
 
-  EXECUTE_IF_SET_IN_BITMAP (needs_copy_in, 0, i, bi)
+  FOR_EACH_REFERENCED_VAR_IN_BITMAP (needs_copy_in, var, ri)
     {
-      tree var = referenced_var (i);
       struct sra_elt *elt = lookup_element (NULL, var, NULL, NO_INSERT);
       generate_copy_inout (elt, true, var, &list);
     }