becopyheur2: Remove unused and write-only attributes.

diff --git a/ir/be/becopyheur2.c b/ir/be/becopyheur2.c
index 3da57c1..73129b3 100644 (file)
--- a/ir/be/becopyheur2.c
+++ b/ir/be/becopyheur2.c
@@ -111,11 +111,9 @@ struct co2_irn_t {
        co2_irn_t       *touched_next;
        col_t            tmp_col;
        col_t            orig_col;
-       int              last_color_change;
        bitset_t        *adm_cache;
        unsigned         fixed          : 1;
        unsigned         tmp_fixed      : 1;
-       unsigned         is_constrained : 1;
        struct list_head changed_list;
 };
 
@@ -145,8 +143,6 @@ struct co2_cloud_t {
        int               inevit;
        int               best_costs;
        int               n_memb;
-       int               n_constr;
-       int               max_degree;
        int               ticks;
        double            freedom;
        co2_cloud_irn_t  *master;
@@ -260,7 +256,6 @@ static inline bitset_t *get_adm(co2_t *env, co2_irn_t *ci)
                                if (rbitset_is_set(req->limited, i))
                                        bitset_set(ci->adm_cache, i);
                        }
-                       ci->is_constrained = 1;
                } else {
                        bitset_copy(ci->adm_cache, env->allocatable_regs);
                }
@@ -281,13 +276,6 @@ static inline int is_color_admissible(co2_t *env, co2_irn_t *ci, col_t col)
        return bitset_is_set(bs, col);
 }
 
-static inline int is_constrained(co2_t *env, co2_irn_t *ci)
-{
-       if (!ci->adm_cache)
-               get_adm(env, ci);
-       return ci->is_constrained;
-}
-
 static void incur_constraint_costs(co2_t *env, const ir_node *irn, col_cost_pair_t *col_costs, int costs)
 {
        const arch_register_req_t *req = arch_get_irn_register_req(irn);
@@ -773,12 +761,10 @@ static void populate_cloud(co2_t *env, co2_cloud_t *cloud, affinity_node_t *a, i
        }
 
        /* add the node's cost to the total costs of the cloud. */
-       ci->costs          = costs;
-       cloud->costs      += costs;
-       cloud->n_constr   += is_constrained(env, &ci->inh);
-       cloud->freedom    += bitset_popcount(get_adm(env, &ci->inh));
-       cloud->max_degree  = MAX(cloud->max_degree, ci->inh.aff->degree);
-       cloud->n_memb++;
+       ci->costs        = costs;
+       cloud->costs    += costs;
+       cloud->freedom  += bitset_popcount(get_adm(env, &ci->inh));
+       cloud->n_memb   += 1;
 
        /* If this is the heaviest node in the cloud, set it as the cloud's master. */
        if (costs >= curr_costs) {