+/*
+ * 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.
+ */
/**
- * More experiments on coalescing.
- * @author Sebastian Hack
- * @date 25.07.2006
+ * @file
+ * @brief More experiments on coalescing with Java implementation.
+ * @author Sebastian Hack
+ * @date 25.07.2006
+ * @version $Id$
*/
-
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#ifdef WITH_LIBCORE
#include <libcore/lc_opts.h>
#include <libcore/lc_opts_enum.h>
-#endif /* WITH_LIBCORE */
#include <stdlib.h>
#include <limits.h>
#include "debug.h"
#include "bitfiddle.h"
#include "bitset.h"
+#include "raw_bitset.h"
-#include "irphase_t.h"
#include "irgraph_t.h"
#include "irnode_t.h"
#include "irprintf.h"
#include "irtools.h"
+#include "bemodule.h"
#include "beabi.h"
#include "benode_t.h"
#include "becopyopt.h"
#define DUMP_AFTER 2
#define DUMP_ALL 2 * DUMP_AFTER - 1
-static int dump_flags = 0;
-static int dbg_level = 0;
+static unsigned dump_flags = 0;
+static int dbg_level = 0;
-#ifdef WITH_LIBCORE
static const lc_opt_enum_mask_items_t dump_items[] = {
{ "before", DUMP_BEFORE },
{ "after", DUMP_AFTER },
};
static const lc_opt_table_entry_t options[] = {
- LC_OPT_ENT_ENUM_MASK("dump", "dump ifg before, after or after each cloud", &dump_var),
+ LC_OPT_ENT_ENUM_MASK("dump", "dump ifg cloud", &dump_var),
LC_OPT_ENT_INT ("dbg", "debug level for the Java coalescer", &dbg_level),
{ NULL }
};
-void be_co3_register_options(lc_opt_entry_t *grp)
+void be_init_copyheur3(void)
{
- lc_opt_entry_t *co3_grp = lc_opt_get_grp(grp, "co3");
+ lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
+ lc_opt_entry_t *ra_grp = lc_opt_get_grp(be_grp, "ra");
+ lc_opt_entry_t *chordal_grp = lc_opt_get_grp(ra_grp, "chordal");
+ lc_opt_entry_t *co3_grp = lc_opt_get_grp(chordal_grp, "co3");
+
lc_opt_add_table(co3_grp, options);
}
-#endif
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_copyheur3);
-static void set_admissible_regs(java_coal_t *coal, copy_opt_t *co, ir_node *irn, int t_idx, int *col_map)
+static void set_admissible_regs(be_java_coal_t *coal, copy_opt_t *co, ir_node *irn, int t_idx, int *col_map)
{
- unsigned i;
- arch_register_req_t req;
- unsigned n_regs = co->cls->n_regs;
- unsigned idx = get_irn_idx(irn);
-
- arch_get_register_req(co->aenv, &req, irn, BE_OUT_POS(0));
- if(arch_register_req_is(&req, limited)) {
- bitset_t *adm = bitset_alloca(n_regs);
- req.limited(req.limited_env, adm);
- for(i = 0; i < n_regs; ++i)
- if(!bitset_is_set(adm, i) && col_map[i] >= 0)
- java_coal_forbid_color(coal, t_idx, col_map[i]);
+ const arch_register_req_t *req;
+
+ req = arch_get_register_req(co->aenv, irn, BE_OUT_POS(0));
+
+ // ir_printf("%+F\n", irn);
+ if(arch_register_req_is(req, limited)) {
+ unsigned i;
+ unsigned n_regs = co->cls->n_regs;
+
+ for(i = 0; i < n_regs; ++i) {
+ if(!rbitset_is_set(req->limited, i) && col_map[i] >= 0) {
+ be_java_coal_forbid_color(coal, t_idx, col_map[i]);
+ }
+ }
}
}
-void co_solve_heuristic_java(copy_opt_t *co)
+int co_solve_heuristic_java(copy_opt_t *co)
{
be_ifg_t *ifg = co->cenv->ifg;
void *nodes_it = be_ifg_nodes_iter_alloca(ifg);
bitset_t *nodes = bitset_malloc(get_irg_last_idx(co->irg));
unsigned n_regs = co->cenv->cls->n_regs;
+ char dbg[256];
unsigned i, j, curr_idx;
int *col_map;
int *inv_col_map;
int *node_map;
int *inv_node_map;
- java_coal_t *coal;
- ir_node *irn;
+ be_java_coal_t *coal;
ir_node *n, *m;
- int max_idx = 0;
col_map = alloca(n_regs * sizeof(col_map[0]));
inv_col_map = alloca(n_regs * sizeof(inv_col_map[0]));
- memset(inv_col_map, 0, sizeof(inv_col_map[0]) * n_regs);
+ memset(inv_col_map, -1, sizeof(inv_col_map[0]) * n_regs);
for(i = 0, j = 0; i < n_regs; ++i) {
const arch_register_t *reg = &co->cls->regs[i];
- col_map[i] = i;
- inv_col_map[i] = i;
+ col_map[i] = -1;
if(!arch_register_type_is(reg, ignore)) {
- //col_map[i] = j;
- //inv_col_map[j] = i;
+ col_map[i] = j;
+ inv_col_map[j] = i;
++j;
}
}
free(node_map);
free(inv_node_map);
bitset_free(nodes);
- return;
+ return 0;
}
- coal = java_coal_init("test", curr_idx, j, dbg_level);
+ coal = be_java_coal_init("test", curr_idx, j, dbg_level);
/* Check, if all neighbours are indeed connected to the node. */
be_ifg_foreach_node(ifg, nodes_it, n) {
if(bitset_is_set(nodes, n_idx)) {
affinity_node_t *an = get_affinity_info(co, n);
- java_coal_set_color(coal, t_idx, col_map[arch_get_irn_register(co->aenv, n)->index]);
+ ir_snprintf(dbg, sizeof(dbg), "%+F", n);
+ be_java_coal_set_debug(coal, t_idx, dbg);
+ be_java_coal_set_color(coal, t_idx, col_map[arch_get_irn_register(co->aenv, n)->index]);
set_admissible_regs(coal, co, n, t_idx, col_map);
be_ifg_foreach_neighbour(ifg, neigh_it, n, m) {
int m_idx = get_irn_idx(m);
int s_idx = node_map[m_idx];
if(n_idx < m_idx && bitset_is_set(nodes, m_idx)) {
- java_coal_add_int_edge(coal, s_idx, t_idx);
+ be_java_coal_add_int_edge(coal, s_idx, t_idx);
}
}
int s_idx = node_map[m_idx];
if(n_idx < m_idx && bitset_is_set(nodes, m_idx)) {
- java_coal_add_aff_edge(coal, s_idx, t_idx, neigh->costs);
+ be_java_coal_add_aff_edge(coal, s_idx, t_idx, neigh->costs);
}
}
}
}
}
- java_coal_coalesce(coal);
+ if(dump_flags & DUMP_BEFORE) {
+ char fn[512];
+ ir_snprintf(fn, sizeof(fn), "%F-%s-before.dot", co->cenv->irg, co->cenv->cls->name);
+ be_java_coal_dump(coal, fn);
+ }
+
+ be_java_coal_coalesce(coal);
be_ifg_foreach_node(ifg, nodes_it, n) {
unsigned idx = get_irn_idx(n);
if(bitset_is_set(nodes, idx)) {
unsigned t_idx = node_map[idx];
- unsigned col = inv_col_map[java_coal_get_color(coal, t_idx)];
- const arch_register_t *reg = &co->cls->regs[col];
+ unsigned col = inv_col_map[be_java_coal_get_color(coal, t_idx)];
+ const arch_register_t *reg;
+
+ assert(col < n_regs);
+ reg = &co->cls->regs[col];
arch_set_irn_register(co->aenv, n, reg);
}
}
- java_coal_destroy(coal);
+ if(dump_flags & DUMP_AFTER) {
+ char fn[512];
+ ir_snprintf(fn, sizeof(fn), "%F-%s-after.dot", co->cenv->irg, co->cenv->cls->name);
+ be_java_coal_dump(coal, fn);
+ }
+
+ be_java_coal_destroy(coal);
bitset_free(nodes);
+ return 0;
}