#define get_irn_col(co, irn) arch_register_get_index(arch_get_irn_register((co)->aenv, irn))
#define set_irn_col(co, irn, col) arch_set_irn_register((co)->aenv, irn, arch_register_for_index((co)->cls, col))
#define is_curr_reg_class(co, irn) (arch_get_irn_reg_class((co)->aenv, irn, -1) == (co)->cls)
#define get_irn_col(co, irn) arch_register_get_index(arch_get_irn_register((co)->aenv, irn))
#define set_irn_col(co, irn, col) arch_set_irn_register((co)->aenv, irn, arch_register_for_index((co)->cls, col))
#define is_curr_reg_class(co, irn) (arch_get_irn_reg_class((co)->aenv, irn, -1) == (co)->cls)
#define list_entry_units(lh) list_entry(lh, unit_t, units)
#define is_Reg_Phi(irn) (is_Phi(irn) && mode_is_data(get_irn_mode(irn)))
#define list_entry_units(lh) list_entry(lh, unit_t, units)
#define is_Reg_Phi(irn) (is_Phi(irn) && mode_is_data(get_irn_mode(irn)))
#define is_2addr_code(arch_env, irn, req) (arch_get_register_req(arch_env, req, irn, -1)->type == arch_register_req_type_should_be_same)
#define is_2addr_code(arch_env, irn, req) (arch_get_register_req(arch_env, req, irn, -1)->type == arch_register_req_type_should_be_same)
/******************************************************************************
____ _ _ _ _ _ _____ _
/ __ \ | | | | | | (_) | / ____| |
/******************************************************************************
____ _ _ _ _ _ _____ _
/ __ \ | | | | | | (_) | / ____| |
******************************************************************************/
typedef struct _neighb_t neighb_t;
******************************************************************************/
typedef struct _neighb_t neighb_t;
#define co_gs_nodes_begin(co) set_first((co)->nodes)
#define co_gs_nodes_next(co) set_next((co)->nodes)
#define co_gs_nodes_break(co) set_break((co)->nodes)
#define co_gs_nodes_begin(co) set_first((co)->nodes)
#define co_gs_nodes_next(co) set_next((co)->nodes)
#define co_gs_nodes_break(co) set_break((co)->nodes)
-#define co_gs_foreach_neighb(node, neighb) for (neighb = node->neighbours; neighb; neighb = neighb->next)
+#define co_gs_foreach_aff_node(co, aff_node) for (aff_node = co_gs_nodes_begin(co); aff_node; aff_node = co_gs_nodes_next(co))
+#define co_gs_foreach_neighb(aff_node, neighb) for (neighb = aff_node->neighbours; neighb; neighb = neighb->next)
+