-/**
- * Scheduling algorithms.
- * Just a simple list scheduling algorithm is here.
- * @date 20.10.2004
- * @author Sebastian Hack
- * @cvs-id $Id$
+/*
+ * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
*/
+/**
+ * @file
+ * @brief Primitive list scheduling with different node selectors.
+ * @author Sebastian Hack
+ * @date 20.10.2004
+ * @version $Id$
+ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "belistsched.h"
#include "beschedmris.h"
#include "beschedrss.h"
-#include "bearch.h"
+#include "bearch_t.h"
#include "bestat.h"
+#include "beirg_t.h"
#include <libcore/lc_opts.h>
#include <libcore/lc_opts_enum.h>
+DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL);
+
#define BE_SCHED_NODE(irn) (be_is_Keep(irn) || be_is_CopyKeep(irn) || be_is_RegParams(irn))
enum {
*/
typedef struct _block_sched_env_t {
sched_irn_t *sched_info; /**< scheduling info per node, copied from the global scheduler object */
- nodeset *cands; /**< the set of candidates */
+ ir_nodeset_t cands; /**< the set of candidates */
ir_node *block; /**< the current block */
sched_env_t *sched_env; /**< the scheduler environment */
- nodeset *live; /**< simple liveness during scheduling */
+ ir_nodeset_t live; /**< simple liveness during scheduling */
const list_sched_selector_t *selector;
void *selector_block_env;
- DEBUG_ONLY(firm_dbg_module_t *dbg;)
} block_sched_env_t;
/**
return 0;
}
- nodeset_insert(env->cands, irn);
+ ir_nodeset_insert(&env->cands, irn);
/* Notify selector about the ready node. */
if (env->selector->node_ready)
env->selector->node_ready(env->selector_block_env, irn, pred);
- DB((env->dbg, LEVEL_2, "\tmaking ready: %+F\n", irn));
+ DB((dbg, LEVEL_2, "\tmaking ready: %+F\n", irn));
return 1;
}
in = get_Proj_pred(in);
/* if in is still in the live set: reduce number of users by one */
- if (nodeset_find(env->live, in)) {
+ if (ir_nodeset_contains(&env->live, in)) {
if (add_irn_not_sched_user(env, in, -1) <= 0)
- nodeset_remove(env->live, in);
+ ir_nodeset_remove(&env->live, in);
}
}
i = get_num_successors(irn);
if (i > 0) {
set_irn_not_sched_user(env, irn, i);
- nodeset_insert(env->live, irn);
+ ir_nodeset_insert(&env->live, irn);
}
}
update_sched_liveness(env, irn);
sched_add_before(env->block, irn);
- DBG((env->dbg, LEVEL_2, "\tadding %+F\n", irn));
+ DBG((dbg, LEVEL_2, "\tadding %+F\n", irn));
}
/* notify the selector about the finally selected node. */
mark_already_scheduled(env, irn);
/* Remove the node from the ready set */
- if(nodeset_find(env->cands, irn))
- nodeset_remove(env->cands, irn);
+ ir_nodeset_remove(&env->cands, irn);
return irn;
}
/* Initialize the block scheduling environment */
be.sched_info = env->sched_info;
be.block = block;
- be.cands = new_nodeset(get_irn_n_edges(block));
- be.live = new_nodeset(get_irn_n_edges(block));
+ ir_nodeset_init_size(&be.cands, get_irn_n_edges(block));
+ ir_nodeset_init_size(&be.live, get_irn_n_edges(block));
be.selector = selector;
be.sched_env = env;
- FIRM_DBG_REGISTER(be.dbg, "firm.be.sched");
- DBG((be.dbg, LEVEL_1, "scheduling %+F\n", block));
+ DBG((dbg, LEVEL_1, "scheduling %+F\n", block));
if (selector->init_block)
be.selector_block_env = selector->init_block(env->selector_env, block);
/* Make the node ready, if all operands live in a foreign block */
if (ready) {
- DBG((be.dbg, LEVEL_2, "\timmediately ready: %+F\n", irn));
+ DBG((dbg, LEVEL_2, "\timmediately ready: %+F\n", irn));
make_ready(&be, NULL, irn);
}
}
}
/* Iterate over all remaining nodes */
- while (nodeset_count(be.cands) > 0) {
+ while (ir_nodeset_size(&be.cands) > 0) {
+ ir_nodeset_iterator_t iter;
/* collect statistics about amount of ready nodes */
- be_do_stat_sched_ready(block, be.cands);
+ be_do_stat_sched_ready(block, &be.cands);
/* Keeps must be scheduled immediatly */
- foreach_nodeset(be.cands, irn) {
+ foreach_ir_nodeset(&be.cands, irn, iter) {
if (be_is_Keep(irn) || be_is_CopyKeep(irn) || is_Sync(irn)) {
- nodeset_break(be.cands);
break;
}
}
if (! irn) {
/* Keeps must be immediately scheduled */
- irn = be.selector->select(be.selector_block_env, be.cands, be.live);
+ irn = be.selector->select(be.selector_block_env, &be.cands, &be.live);
}
- DB((be.dbg, LEVEL_2, "\tpicked node %+F\n", irn));
+ DB((dbg, LEVEL_2, "\tpicked node %+F\n", irn));
/* Add the node to the schedule. */
add_to_sched(&be, irn);
make_users_ready(&be, irn);
/* remove the scheduled node from the ready list. */
- if (nodeset_find(be.cands, irn))
- nodeset_remove(be.cands, irn);
+ ir_nodeset_remove(&be.cands, irn);
}
if (selector->finish_block)
selector->finish_block(be.selector_block_env);
- del_nodeset(be.cands);
- del_nodeset(be.live);
+ ir_nodeset_destroy(&be.cands);
+ ir_nodeset_destroy(&be.live);
}
/* List schedule a graph. */
memcpy(&sel, trivial_selector, sizeof(sel));
}
- /* Assure, that the out edges are computed */
+#if 1
+ /* Matze: This is very slow, we should avoid it to improve backend speed,
+ * we just have to make sure that we have no dangling out-edges at this
+ * point...
+ */
+
+ /* Assure, that we have no dangling out-edges to deleted stuff */
edges_deactivate(birg->irg);
edges_activate(birg->irg);
+#endif
switch (list_sched_options.prep) {
case BE_SCHED_PREP_MRIS:
lc_opt_entry_t *sched_grp = lc_opt_get_grp(be_grp, "listsched");
lc_opt_add_table(sched_grp, list_sched_option_table);
+
+ FIRM_DBG_REGISTER(dbg, "firm.be.sched");
}
BE_REGISTER_MODULE_CONSTRUCTOR(be_init_listsched);
projects / libfirm / blobdiff