ratio = fold_build2 (TRUNC_DIV_EXPR, TREE_TYPE (result), result, orig_tree);
result1 = fold_build2 (MULT_EXPR, TREE_TYPE (result), ratio, new_tree);
ratio = fold_build2 (TRUNC_DIV_EXPR, TREE_TYPE (result), result, orig_tree);
result1 = fold_build2 (MULT_EXPR, TREE_TYPE (result), ratio, new_tree);