- type_t *const points_to = pointer_type->points_to;
- const unsigned elem_size = get_type_size_const(points_to);
-
- assert(elem_size >= 1);
- if (elem_size > 1) {
- integer = create_conv(dbgi, integer, mode_int);
- ir_node *const cnst = new_Const_long(mode_int, (long)elem_size);
- ir_node *const mul = new_d_Mul(dbgi, integer, cnst, mode_int);
- integer = mul;
- }
-
- ir_mode *const mode = get_ir_mode(type);
- return func(dbgi, pointer, integer, mode);
-}
-
-static ir_node *create_arithmetic_assign_binop(
- const binary_expression_t *expression, create_arithmetic_func func)
-{
- dbg_info *const dbgi = get_dbg_info(&expression->base.source_position);
- type_t *const type = skip_typeref(expression->base.type);
- ir_node *value;
-
- if (is_type_pointer(type)) {
- ir_node *const pointer = expression_to_firm(expression->left);
- ir_node * integer = expression_to_firm(expression->right);
- value = pointer_arithmetic(pointer, integer, type, dbgi, func);
- } else {
- value = create_arithmetic_binop(expression, func);
- }
-
- ir_mode *const mode = get_ir_mode(type);
- value = create_conv(dbgi, value, mode);
- set_value_for_expression(expression->left, value);
-
- return value;
-}
-
-static ir_node *create_add(const binary_expression_t *expression)
-{
- dbg_info *dbgi = get_dbg_info(&expression->base.source_position);
- ir_node *left = expression_to_firm(expression->left);
- ir_node *right = expression_to_firm(expression->right);
- type_t *type = expression->base.type;
-
- expression_t *expr_left = expression->left;
- expression_t *expr_right = expression->right;
- type_t *type_left = skip_typeref(expr_left->base.type);
- type_t *type_right = skip_typeref(expr_right->base.type);
-
- if(is_type_arithmetic(type_left) && is_type_arithmetic(type_right)) {
- ir_mode *const mode = get_ir_mode(type);
- return new_d_Add(dbgi, left, right, mode);
- }
-
- if (is_type_pointer(type_left)) {
- return pointer_arithmetic(left, right, type, dbgi, new_d_Add);
- } else {
- assert(is_type_pointer(type_right));
- return pointer_arithmetic(right, left, type, dbgi, new_d_Add);
- }
-}
-
-static ir_node *create_sub(const binary_expression_t *expression)
-{
- dbg_info *const dbgi = get_dbg_info(&expression->base.source_position);
- expression_t *const expr_left = expression->left;
- expression_t *const expr_right = expression->right;
- ir_node *const left = expression_to_firm(expr_left);
- ir_node *const right = expression_to_firm(expr_right);
- type_t *const type = expression->base.type;
- type_t *const type_left = skip_typeref(expr_left->base.type);
- type_t *const type_right = skip_typeref(expr_right->base.type);
-
- if (is_type_arithmetic(type_left) && is_type_arithmetic(type_right)) {
- ir_mode *const mode = get_ir_mode(type);
- return new_d_Sub(dbgi, left, right, mode);
- } else if (is_type_pointer(type_left) && is_type_pointer(type_right)) {
- const pointer_type_t *const ptr_type = &type_left->pointer;
-
- ir_node *const elem_size = get_type_size(ptr_type->points_to);
- ir_mode *const mode = get_ir_mode(type);
- ir_node *const conv_size = new_d_Conv(dbgi, elem_size, mode);
- ir_node *const sub = new_d_Sub(dbgi, left, right, mode);
- ir_node *const no_mem = new_NoMem();
- ir_node *const div = new_d_DivRL(dbgi, no_mem, sub, conv_size, mode,
- op_pin_state_floats);
- return new_d_Proj(dbgi, div, mode, pn_Div_res);
- }
-
- assert(is_type_pointer(type_left));
- return pointer_arithmetic(left, right, type_left, dbgi, new_d_Sub);