tree-data-ref.c (estimate_niter_from_size_of_data): Replace fold_build2 with fold_binary.

	* tree-data-ref.c (estimate_niter_from_size_of_data): Replace
	fold_build2 with fold_binary.
	* tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
	Replace fold_build1 with fold_unary.
	* tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
	with fold_binary.

From-SVN: r108913

gcc/ChangeLog

+2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
+
+	* tree-data-ref.c (estimate_niter_from_size_of_data): Replace
+	fold_build2 with fold_binary.
+	* tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
+	Replace fold_build1 with fold_unary.
+	* tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
+	with fold_binary.
+
 2005-12-21  Steven Bosscher  <stevenb@suse.de>
 
 	PR rtl-optimization/25196

gcc/tree-data-ref.c

@@ -786,7 +786,7 @@ estimate_niter_from_size_of_data (struct loop *loop,
       && TREE_CODE (step) == INTEGER_CST)
     {
       tree i_plus_s = fold_build2 (PLUS_EXPR, integer_type_node, init, step);
-      tree sign = fold_build2 (GT_EXPR, boolean_type_node, i_plus_s, init);
+      tree sign = fold_binary (GT_EXPR, boolean_type_node, i_plus_s, init);
 
       if (sign == boolean_true_node)
 	estimation = fold_build2 (CEIL_DIV_EXPR, integer_type_node,

gcc/tree-ssa-ccp.c

@@ -1191,9 +1191,9 @@ visit_assignment (tree stmt, tree *output_p)
     if (TREE_CODE (orig_lhs) == VIEW_CONVERT_EXPR
 	&& val.lattice_val == CONSTANT)
       {
-	tree w = fold_build1 (VIEW_CONVERT_EXPR,
-			      TREE_TYPE (TREE_OPERAND (orig_lhs, 0)),
-			      val.value);
+	tree w = fold_unary (VIEW_CONVERT_EXPR,
+			     TREE_TYPE (TREE_OPERAND (orig_lhs, 0)),
+			     val.value);
 
 	orig_lhs = TREE_OPERAND (orig_lhs, 0);
 	if (w && is_gimple_min_invariant (w))
@@ -1901,9 +1901,9 @@ maybe_fold_stmt_addition (tree expr)
     {
       if (TYPE_UNSIGNED (TREE_TYPE (op1)))
 	return NULL;
-      op1 = fold_build1 (NEGATE_EXPR, TREE_TYPE (op1), op1);
+      op1 = fold_unary (NEGATE_EXPR, TREE_TYPE (op1), op1);
       /* ??? In theory fold should always produce another integer.  */
-      if (TREE_CODE (op1) != INTEGER_CST)
+      if (op1 == NULL || TREE_CODE (op1) != INTEGER_CST)
 	return NULL;
     }
 

gcc/tree-ssa-reassoc.c

@@ -755,10 +755,10 @@ optimize_ops_list (enum tree_code opcode,
 	  && lang_hooks.types_compatible_p (TREE_TYPE (oelm1->op),
 					    TREE_TYPE (oelast->op)))
 	{
-	  tree folded = fold_build2 (opcode, TREE_TYPE (oelm1->op),
+	  tree folded = fold_binary (opcode, TREE_TYPE (oelm1->op),
 				     oelm1->op, oelast->op);
 
-	  if (is_gimple_min_invariant (folded))
+	  if (folded && is_gimple_min_invariant (folded))
 	    {
 	      if (dump_file && (dump_flags & TDF_DETAILS))
 		fprintf (dump_file, "Merging constants\n");