bestack: remove unnecessary keep edges from IncSP nodes

[libfirm] / ir / be / becopyopt.c

diff --git a/ir/be/becopyopt.c b/ir/be/becopyopt.c
index 4b9fcc7..e9e0e9c 100644 (file)
--- a/ir/be/becopyopt.c
+++ b/ir/be/becopyopt.c
@@ -194,7 +194,7 @@ DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
 copy_opt_t *new_copy_opt(be_chordal_env_t *chordal_env, cost_fct_t get_costs)
 {
        const char *s1, *s2, *s3;
-       int len;
+       size_t len;
        copy_opt_t *co;
 
        FIRM_DBG_REGISTER(dbg, "ir.be.copyopt");
@@ -308,7 +308,7 @@ static int ou_max_ind_set_costs(unit_t *ou)
        ir_node **safe, **unsafe;
        int i, o, safe_count, safe_costs, unsafe_count, *unsafe_costs;
        bitset_t *curr;
-       unsigned  pos;
+       size_t  pos;
        int curr_weight, best_weight = 0;
 
        /* assign the nodes into two groups.
@@ -344,7 +344,7 @@ static int ou_max_ind_set_costs(unit_t *ou)
        /* now compute the best set out of the unsafe nodes*/
        if (unsafe_count > MIS_HEUR_TRIGGER) {
                bitset_t *best = bitset_alloca(unsafe_count);
-               /* Heuristik: Greedy trial and error form index 0 to unsafe_count-1 */
+               /* Heuristic: Greedy trial and error form index 0 to unsafe_count-1 */
                for (i=0; i<unsafe_count; ++i) {
                        bitset_set(best, i);
                        /* check if it is a stable set */
@@ -369,7 +369,7 @@ static int ou_max_ind_set_costs(unit_t *ou)
                                                        goto no_stable_set;
 
                        /* if we arrive here, we have a stable set */
-                       /* compute the weigth of the stable set*/
+                       /* compute the weight of the stable set*/
                        curr_weight = 0;
                        bitset_foreach(curr, pos)
                                curr_weight += unsafe_costs[pos];
@@ -390,7 +390,7 @@ static int ou_max_ind_set_costs(unit_t *ou)
 static void co_collect_units(ir_node *irn, void *env)
 {
        const arch_register_req_t *req;
-       copy_opt_t                *co  = env;
+       copy_opt_t                *co  = (copy_opt_t*)env;
        unit_t *unit;
 
        if (get_irn_mode(irn) == mode_T)
@@ -748,8 +748,8 @@ void co_complete_stats(const copy_opt_t *co, co_complete_stats_t *stat)
 
 static int compare_affinity_node_t(const void *k1, const void *k2, size_t size)
 {
-       const affinity_node_t *n1 = k1;
-       const affinity_node_t *n2 = k2;
+       const affinity_node_t *n1 = (const affinity_node_t*)k1;
+       const affinity_node_t *n2 = (const affinity_node_t*)k2;
        (void) size;
 
        return (n1->irn != n2->irn);
@@ -764,7 +764,7 @@ static void add_edge(copy_opt_t *co, ir_node *n1, ir_node *n2, int costs)
        new_node.irn        = n1;
        new_node.degree     = 0;
        new_node.neighbours = NULL;
-       node = set_insert(co->nodes, &new_node, sizeof(new_node), hash_irn(new_node.irn));
+       node = (affinity_node_t*)set_insert(co->nodes, &new_node, sizeof(new_node), hash_irn(new_node.irn));
 
        for (nbr = node->neighbours; nbr; nbr = nbr->next)
                if (nbr->irn == n2) {
@@ -798,7 +798,7 @@ static inline void add_edges(copy_opt_t *co, ir_node *n1, ir_node *n2, int costs
 static void build_graph_walker(ir_node *irn, void *env)
 {
        const arch_register_req_t *req;
-       copy_opt_t                *co  = env;
+       copy_opt_t                *co  = (copy_opt_t*)env;
        int pos, max;
 
        if (get_irn_mode(irn) == mode_T)
@@ -855,7 +855,7 @@ int co_gs_is_optimizable(copy_opt_t *co, ir_node *irn)
        ASSERT_GS_AVAIL(co);
 
        new_node.irn = irn;
-       n = set_find(co->nodes, &new_node, sizeof(new_node), hash_irn(new_node.irn));
+       n = (affinity_node_t*)set_find(co->nodes, &new_node, sizeof(new_node), hash_irn(new_node.irn));
        if (n) {
                return (n->degree > 0);
        } else
@@ -1028,7 +1028,7 @@ static int ifg_is_dump_node(void *self, ir_node *irn)
 
 static void ifg_dump_node_attr(FILE *f, void *self, ir_node *irn)
 {
-       co_ifg_dump_t             *env     = self;
+       co_ifg_dump_t             *env     = (co_ifg_dump_t*)self;
        const arch_register_t     *reg     = arch_get_irn_register(irn);
        const arch_register_req_t *req     = arch_get_register_req_out(irn);
        int                        limited = arch_register_req_is(req, limited);
@@ -1055,7 +1055,7 @@ static void ifg_dump_node_attr(FILE *f, void *self, ir_node *irn)
 
 static void ifg_dump_at_end(FILE *file, void *self)
 {
-       co_ifg_dump_t *env = self;
+       co_ifg_dump_t *env = (co_ifg_dump_t*)self;
        affinity_node_t *a;
 
        co_gs_foreach_aff_node(env->co, a) {