return NULL;
}
+static int get_loop_weight(ir_node *irn) {
+ int cost = 0;
+ ir_loop *loop = get_irn_loop(get_nodes_block(irn));
+
+ if (loop) {
+ int d = get_loop_depth(loop);
+ cost = d*d;
+ }
+ return cost+1;
+}
+
+#define get_const_weight(irn) (1)
+
+#define get_spill_weight(irn) get_loop_weight(irn)
+#define get_reload_weight(irn) get_loop_weight(irn)
+#define get_affinity_weight(irn) get_loop_weight(irn)
+
/******************************************************************************
_____ _ _____ _
/ ____| | | / ____| (_)
static INLINE unsigned int get_spill_costs(be_raext_env_t *raenv, var_info_t *vi) {
ir_node *irn;
- int n_spills=0, n_reloads=0;
+ int c_spills=0, c_reloads=0;
pset_foreach(vi->values, irn) {
if (arch_irn_is_ignore(raenv->aenv, irn)) {
const ir_edge_t *edge;
foreach_out_edge(irn, edge)
if (!is_Phi(edge->src))
- n_reloads++;
+ c_reloads += get_reload_weight(edge->src);
} else {
/* number of spills is the number of non-phi values for this var */
- n_spills++;
+ c_spills += get_spill_weight(irn);
}
}
- return n_spills + n_reloads;
+ return c_spills + c_reloads;
}
static void dump_nodes(be_raext_env_t *raenv) {
fprintf(f, "}\n");
}
-
-static int get_weight(ir_node *irn) {
- int cost = 0;
- ir_loop *loop = get_irn_loop(get_nodes_block(irn));
-
- if (loop) {
- int d = get_loop_depth(loop);
- cost = d*d;
- }
- return cost+1;
-}
-
static void dump_affinities_walker(ir_node *irn, void *env) {
be_raext_env_t *raenv = env;
arch_register_req_t req;
if (! arch_irn_is_ignore(raenv->aenv, other)) {
vi2 = get_var_info(other);
- fprintf(raenv->f, "(%d, %d, %d)\n", vi1->var_nr, vi2->var_nr, get_weight(irn));
+ fprintf(raenv->f, "(%d, %d, %d)\n", vi1->var_nr, vi2->var_nr, get_affinity_weight(irn));
}
}
if (arch_register_req_is(&req, should_be_same) && arch_irn_is_ignore(raenv->aenv, req.other_same)) {
vi2 = get_var_info(req.other_same);
- fprintf(raenv->f, "(%d, %d, %d)\n", vi1->var_nr, vi2->var_nr, get_weight(irn));
+ fprintf(raenv->f, "(%d, %d, %d)\n", vi1->var_nr, vi2->var_nr, get_affinity_weight(irn));
}
}
}