bescripts: Remove unused execution unit specification.

[libfirm] / ir / be / beschedregpress.c

diff --git a/ir/be/beschedregpress.c b/ir/be/beschedregpress.c
index b1e4004..49357c2 100644 (file)
--- a/ir/be/beschedregpress.c
+++ b/ir/be/beschedregpress.c
@@ -22,7 +22,6 @@
  * @brief       Register pressure node selector.
  * @author      Sebastian Hack
  * @date        29.08.2006
- * @version     $Id$
  */
 #include "config.h"
 
@@ -153,8 +152,6 @@ static int compute_max_hops(reg_pressure_selector_env_t *env, ir_node *irn)
        ir_graph *irg = get_irn_irg(bl);
        int res       = 0;
 
-       const ir_edge_t *edge;
-
        foreach_out_edge(irn, edge) {
                ir_node *user       = get_edge_src_irn(edge);
                unsigned visited_nr = get_irg_visited(irg) + 1;
@@ -177,7 +174,6 @@ static void *reg_pressure_graph_init(ir_graph *irg)
 
 static void *reg_pressure_block_init(void *graph_env, ir_node *bl)
 {
-       ir_node *irn;
        reg_pressure_selector_env_t *env = XMALLOC(reg_pressure_selector_env_t);
        (void) graph_env;
 
@@ -189,12 +185,7 @@ static void *reg_pressure_block_init(void *graph_env, ir_node *bl)
        * Collect usage statistics.
        */
        sched_foreach(bl, irn) {
-               int i, n;
-               if (is_Proj(irn)
-                               || (arch_get_irn_flags(irn) & arch_irn_flags_not_scheduled))
-                       continue;
-
-               for (i = 0, n = get_irn_arity(irn); i < n; ++i) {
+               for (int i = 0, n = get_irn_arity(irn); i < n; ++i) {
                        usage_stats_t *us = get_or_set_usage_stats(env, irn);
 #if 0 /* Liveness is not computed here! */
                        if (is_live_end(bl, op))
@@ -225,8 +216,6 @@ static int get_result_hops_sum(reg_pressure_selector_env_t *env, ir_node *irn)
 {
        int res = 0;
        if (get_irn_mode(irn) == mode_T) {
-               const ir_edge_t *edge;
-
                foreach_out_edge(irn, edge)
                        res += get_result_hops_sum(env, get_edge_src_irn(edge));
        }
@@ -260,15 +249,13 @@ static inline int reg_pr_costs(reg_pressure_selector_env_t *env, ir_node *irn)
 
 static ir_node *reg_pressure_select(void *block_env, ir_nodeset_t *ready_set)
 {
-       ir_nodeset_iterator_t iter;
        reg_pressure_selector_env_t *env = (reg_pressure_selector_env_t*)block_env;
-       ir_node *irn, *res     = NULL;
-       int curr_cost          = INT_MAX;
+       ir_node *res       = NULL;
+       int      curr_cost = INT_MAX;
 
        assert(ir_nodeset_size(ready_set) > 0);
 
-       ir_nodeset_iterator_init(&iter, ready_set);
-       while ( (irn = ir_nodeset_iterator_next(&iter)) != NULL) {
+       foreach_ir_nodeset(ready_set, irn, iter) {
                /*
                Ignore branch instructions for the time being.
                They should only be scheduled if there is nothing else.
@@ -288,9 +275,7 @@ static ir_node *reg_pressure_select(void *block_env, ir_nodeset_t *ready_set)
        */
 
        if (!res) {
-               ir_nodeset_iterator_init(&iter, ready_set);
-               res = ir_nodeset_iterator_next(&iter);
-
+               res = ir_nodeset_first(ready_set);
                assert(res && "There must be a node scheduled.");
        }