2008-07-05 Daniel Berlin <dberlin@dberlin.org>

	
	Fix PR tree-optimization/23455
	Fix PR tree-optimization/35286
	Fix PR tree-optimization/35287
	* Makefile.in (OBJS-common): Remove tree-vn.o.
	tree-vn.o: Remove.
	* dbgcnt.def: Add treepre_insert debug counter.
	* gcc/tree-flow.h (add_to_value): Updated for other changes.
	(debug_value_expressions): Ditto.
	(print_value_expressions): Ditto.
	* tree-pretty-print.c (dump_generic_node): Updated for
	VALUE_HANDLE removal.
	* tree-ssa-dom.c (record_equality): Ditto.
	(cprop_operand): Ditto.
	(lookup_avail_expr): Ditto.
	* tree-ssa-threadedge.c
	(record_temporary_equivalences_from_stmts_at_dest): Ditto.
	(simplify_control_stmt_condition): Ditto.
	* tree.c (tree_code_size): Ditto.
	(tree_node_structure): Ditto.
	(iterative_hash_expr): Ditto.
	* tree.def: Ditto.
	* tree.h (VALUE_HANDLE_ID): Ditto.
	(VALUE_HANDLE_EXPR_SET): Ditto.
	(struct tree_value_handle): Ditto.
	(union tree_node): Ditto.
	* treestruct.def: Ditto.
	* tree-vn.c: Removed.
	* tree-ssa-pre.c: Rewritten entirely.
	* tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
	(constant_value_ids): Ditto.
	(vn_nary_op_t): Moved to header.
	(vn_phi_t): Ditto.
	(vn_reference_op_t): Ditto
	(vn_reference_t): Ditto.
	(next_value_id): New variable.
	(VN_INFO): Add an assert.
	(vn_constant_eq): New function.
	(vn_constant_hash): Ditto.
	(get_or_alloc_constant_value_id): Ditto.
	(value_id_constant_p): Ditto.
	(vn_reference_compute_hash): De-staticify.
	(copy_reference_ops_from_ref): Don't use get_callee_fndecl.
	Disable some code with a FIXME.
	Remove VALUE_HANDLE use.
	(valueize_refs): Update opcode if it changes from ssa name to
	constant.
	(vn_reference_lookup_1): Add new argument.
	(vn_reference_lookup):  Ditto.
	(vn_reference_lookup_pieces): New function.
	(vn_reference_insert): Add return type. Modify to deal with value
	ids.
	(vn_reference_insert_pieces):  New function.
	(vn_nary_op_compute_hash): De-staticify.
	(vn_nary_op_eq): Ditto.
	(vn_nary_op_lookup_pieces): New function.
	(vn_nary_op_lookup): Add new argument.  
	(vn_nary_op_insert_pieces): New function.
	(vn_nary_op_insert): Add return type. Modify to deal with value
	ids.
	(vn_phi_insert): Ditto.
	(visit_unary_op): Update for callee changes.
	(visit_binary_op): Ditto.
	(visit_reference_op_load): Ditto.
	(visit_reference_op_store): Ditto.
	(init_scc_vn): Init next_value_id, constant_to_value_id and
	constant_value_ids. 
	(free_scc_vn): Free them.
	(set_hashtable_value_ids): New function.
	(run_scc_vn): Use it.
	(get_max_value_id): New function.
	(get_next_value_id): Ditto.
	(expressions_equal_p): Moved from tree-vn.c
	(sort_vuses): Ditto.
	(sort_vuses_heap): Ditto.
	* tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
	above).
	* tree.c (iterative_hash_hashval_t): Made non-static
	* tree.h (iterative_hash_hashval_t): Declare it.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137631 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 1 insertions, 4 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index 97b53bd951c..14ecf383f93 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -462,7 +462,6 @@ tree_code_size (enum tree_code code)
 
 	case STATEMENT_LIST:	return sizeof (struct tree_statement_list);
 	case BLOCK:		return sizeof (struct tree_block);
-	case VALUE_HANDLE:	return sizeof (struct tree_value_handle);
 	case CONSTRUCTOR:	return sizeof (struct tree_constructor);
 
 	default:
@@ -2387,7 +2386,6 @@ tree_node_structure (const_tree t)
     case BLOCK:			return TS_BLOCK;
     case CONSTRUCTOR:		return TS_CONSTRUCTOR;
     case TREE_BINFO:		return TS_BINFO;
-    case VALUE_HANDLE:		return TS_VALUE_HANDLE;
     case OMP_CLAUSE:		return TS_OMP_CLAUSE;
 
     default:
@@ -3639,7 +3637,7 @@ build_decl_attribute_variant (tree ddecl, tree attribute)
 
 
 /* Produce good hash value combining VAL and VAL2.  */
-static inline hashval_t
+hashval_t
 iterative_hash_hashval_t (hashval_t val, hashval_t val2)
 {
   /* the golden ratio; an arbitrary value.  */
@@ -5358,7 +5356,6 @@ iterative_hash_expr (const_tree t, hashval_t val)
       return iterative_hash_expr (TREE_VECTOR_CST_ELTS (t), val);
 
     case SSA_NAME:
-    case VALUE_HANDLE:
       /* we can just compare by pointer.  */
       return iterative_hash_pointer (t, val);