sparc: implement float->unsigned conversions

[libfirm] / ir / be / beschedtrace.c

diff --git a/ir/be/beschedtrace.c b/ir/be/beschedtrace.c
index 8c31a44..0308ebf 100644 (file)
--- a/ir/be/beschedtrace.c
+++ b/ir/be/beschedtrace.c
@@ -22,7 +22,6 @@
  * @brief       Implements a trace scheduler as presented in Muchnik[TM].
  * @author      Michael Beck
  * @date        28.08.2006
- * @version     $Id$
  */
 #include "config.h"
 
@@ -525,10 +524,10 @@ static trace_env_t *trace_init(ir_graph *irg)
 
        env->curr_time  = 0;
        env->sched_info = NEW_ARR_F(trace_irn_t, nn);
-       env->liveness   = be_liveness(irg);
+       env->liveness   = be_get_irg_liveness(irg);
        FIRM_DBG_REGISTER(env->dbg, "firm.be.sched.trace");
 
-       be_liveness_assure_chk(env->liveness);
+       be_assure_live_chk(irg);
        memset(env->sched_info, 0, nn * sizeof(*(env->sched_info)));
 
        return env;
@@ -541,7 +540,6 @@ static trace_env_t *trace_init(ir_graph *irg)
 static void trace_free(void *data)
 {
        trace_env_t *env = (trace_env_t*)data;
-       be_liveness_free(env->liveness);
        DEL_ARR_F(env->sched_info);
        free(env);
 }
@@ -570,14 +568,13 @@ static ir_node *basic_selection(ir_nodeset_t *ready_set)
 /**
 * The muchnik selector.
 */
-static ir_node *muchnik_select(void *block_env, ir_nodeset_t *ready_set, ir_nodeset_t *live_set)
+static ir_node *muchnik_select(void *block_env, ir_nodeset_t *ready_set)
 {
        trace_env_t *env = (trace_env_t*)block_env;
        ir_nodeset_t mcands, ecands;
        ir_nodeset_iterator_t iter;
        sched_timestep_t max_delay = 0;
        ir_node *irn;
-       (void) live_set;
 
        /* calculate the max delay of all candidates */
        foreach_ir_nodeset(ready_set, irn, iter) {
@@ -658,15 +655,18 @@ static void sched_muchnik(ir_graph *irg)
 /**
  * Execute the heuristic function.
  */
-static ir_node *heuristic_select(void *block_env, ir_nodeset_t *ns, ir_nodeset_t *lv)
+static ir_node *heuristic_select(void *block_env, ir_nodeset_t *ns)
 {
        trace_env_t *trace_env   = (trace_env_t*)block_env;
        ir_node     *irn, *cand  = NULL;
        int         max_prio     = INT_MIN;
        int         cur_prio     = INT_MIN;
-       int         cur_pressure = ir_nodeset_size(lv);
-       int         reg_fact, cand_reg_fact;
+       int         reg_fact;
        ir_nodeset_iterator_t iter;
+       /* Note: register pressure calculation needs an overhaul, you need correct
+        * tracking for each register class indidually and weight by each class
+       int         cur_pressure = ir_nodeset_size(lv); */
+       int         cur_pressure = 1;
 
        /* prefer instructions which can be scheduled early */
 #define PRIO_TIME        3
@@ -689,7 +689,6 @@ static ir_node *heuristic_select(void *block_env, ir_nodeset_t *ns, ir_nodeset_t
                        int sign  = rdiff < 0;
                        int chg   = (rdiff < 0 ? -rdiff : rdiff) << PRIO_CHG_PRESS;
 
-                       /* reg_fact = chg << cur_pressure; */
                        reg_fact = chg * cur_pressure;
                        if (reg_fact < chg)
                                reg_fact = INT_MAX - 2;
@@ -705,7 +704,6 @@ static ir_node *heuristic_select(void *block_env, ir_nodeset_t *ns, ir_nodeset_t
                        if (cur_prio > max_prio) {
                                cand          = irn;
                                max_prio      = cur_prio;
-                               cand_reg_fact = reg_fact;
                        }
 
                        DBG((trace_env->dbg, LEVEL_4, "checked NODE %+F\n", irn));
@@ -744,7 +742,7 @@ static void sched_heuristic(ir_graph *irg)
        be_list_sched_graph(irg, &heuristic_selector);
 }
 
-BE_REGISTER_MODULE_CONSTRUCTOR(be_init_sched_trace);
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_sched_trace)
 void be_init_sched_trace(void)
 {
        be_register_scheduler("heur", sched_heuristic);