- * Create the list of caller save registers.
- */
- for(i = 0, n = arch_isa_get_n_reg_class(env->arch_env->isa); i < n; ++i) {
- const arch_register_class_t *cls = arch_isa_get_reg_class(env->arch_env->isa, i);
- for(j = 0; j < cls->n_regs; ++j) {
- const arch_register_t *reg = arch_register_for_index(cls, j);
- if(arch_register_type_is(reg, caller_save))
- obstack_ptr_grow(&env->obst, reg);
- }
- }
- obstack_ptr_grow(&env->obst, NULL);
- env->caller_save = obstack_finish(&env->obst);
-
- /*
- * Create the list of callee save registers.
- */
- for(i = 0, n = arch_isa_get_n_reg_class(env->arch_env->isa); i < n; ++i) {
- const arch_register_class_t *cls = arch_isa_get_reg_class(env->arch_env->isa, i);
- for(j = 0; j < cls->n_regs; ++j) {
- const arch_register_t *reg = arch_register_for_index(cls, j);
- if(arch_register_type_is(reg, callee_save))
- obstack_ptr_grow(&env->obst, reg);
- }
- }
- obstack_ptr_grow(&env->obst, NULL);
- env->callee_save = obstack_finish(&env->obst);
+ * Register the node handler of the back end infrastructure.
+ * This irn handler takes care of the platform independent
+ * spill, reload and perm nodes.
+ */
+ arch_env_push_irn_handler(env->arch_env, &be_node_irn_handler);
+ env->phi_handler = be_phi_handler_new(env->arch_env);
+ arch_env_push_irn_handler(env->arch_env, env->phi_handler);