/* Initialize DOVAR. */
tmp = fold_build2_loc (input_location, MULT_EXPR, type, count, step);
tmp = fold_build2_loc (input_location, PLUS_EXPR, type, from, tmp);
/* Initialize DOVAR. */
tmp = fold_build2_loc (input_location, MULT_EXPR, type, count, step);
tmp = fold_build2_loc (input_location, PLUS_EXPR, type, from, tmp);