-static void lower_call_node(ir_node *call, void *walk_env) {
- lower_env_t *env = walk_env;
- const arch_env_t *arch_env = env->chord_env->main_env->arch_env;
- firm_dbg_module_t *mod = env->dbg_module;
- const arch_register_class_t *reg_class;
- int i, j, set_size = 0, pn, keep_arity;
- arch_isa_t *isa = arch_env_get_isa(arch_env);
- const ir_node *proj_T = NULL;
- ir_node **in_keep, *block = get_nodes_block(call);
- bitset_t *proj_set;
- const ir_edge_t *edge;
- const arch_register_t *reg;
-
- /* Prepare the bitset where we store the projnums which are already in use*/
- for (i = 0; i < arch_isa_get_n_reg_class(isa); i++) {
- reg_class = arch_isa_get_reg_class(isa, i);
- set_size += arch_register_class_n_regs(reg_class);
- }
-
- in_keep = malloc(set_size * sizeof(ir_node *));
-
- proj_set = bitset_malloc(set_size);
- bitset_clear_all(proj_set);
-
- /* check if there is a ProjT node and which arguments are used */
- foreach_out_edge(call, edge) {
- if (get_irn_mode(get_edge_src_irn(edge)) == mode_T)
- proj_T = get_edge_src_irn(edge);
+static void lower_spill_reload(ir_node *irn, void *walk_env) {
+ lower_env_t *env = walk_env;
+ arch_code_generator_t *cg = env->chord_env->birg->cg;
+ const arch_env_t *aenv = env->chord_env->birg->main_env->arch_env;
+ ir_node *res = NULL;
+ ir_node *sched_point;
+
+ if (be_is_Spill(irn) && cg->impl->lower_spill) {
+ res = cg->impl->lower_spill(cg, irn);