Moved global variable heights to ia32_common_transform.
[libfirm] / ir / be / becopyheur3.c
index 1c2decd..18cae39 100644 (file)
@@ -1,18 +1,37 @@
+/*
+ * Copyright (C) 1995-2008 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 */
+#ifdef WITH_JVM
+
+#include "lc_opts.h"
+#include "lc_opts_enum.h"
 
 #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  },
@@ -61,37 +80,43 @@ static lc_opt_enum_mask_var_t dump_var = {
 };
 
 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 }
+       LC_OPT_LAST
 };
 
-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);
@@ -99,6 +124,7 @@ void co_solve_heuristic_java(copy_opt_t *co)
        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;
@@ -106,28 +132,26 @@ void co_solve_heuristic_java(copy_opt_t *co)
        int *node_map;
        int *inv_node_map;
 
-       java_coal_t *coal;
+       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;
                }
        }
 
-       node_map     = malloc((get_irg_last_idx(co->irg) + 1) * sizeof(node_map[0]));
-       inv_node_map = malloc((get_irg_last_idx(co->irg) + 1) * sizeof(inv_node_map[0]));
+       node_map     = xmalloc((get_irg_last_idx(co->irg) + 1) * sizeof(node_map[0]));
+       inv_node_map = xmalloc((get_irg_last_idx(co->irg) + 1) * sizeof(inv_node_map[0]));
 
        curr_idx = 0;
        be_ifg_foreach_node(ifg, nodes_it, n) {
@@ -144,10 +168,10 @@ void co_solve_heuristic_java(copy_opt_t *co)
                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) {
@@ -157,14 +181,16 @@ void co_solve_heuristic_java(copy_opt_t *co)
                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);
                                }
                        }
 
@@ -175,7 +201,7 @@ void co_solve_heuristic_java(copy_opt_t *co)
                                        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);
                                        }
                                }
                        }
@@ -185,17 +211,20 @@ void co_solve_heuristic_java(copy_opt_t *co)
        if(dump_flags & DUMP_BEFORE) {
                char fn[512];
                ir_snprintf(fn, sizeof(fn), "%F-%s-before.dot", co->cenv->irg, co->cenv->cls->name);
-               java_coal_dump(coal, fn);
+               be_java_coal_dump(coal, fn);
        }
 
-       java_coal_coalesce(coal);
+       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);
                }
        }
@@ -203,9 +232,12 @@ void co_solve_heuristic_java(copy_opt_t *co)
        if(dump_flags & DUMP_AFTER) {
                char fn[512];
                ir_snprintf(fn, sizeof(fn), "%F-%s-after.dot", co->cenv->irg, co->cenv->cls->name);
-               java_coal_dump(coal, fn);
+               be_java_coal_dump(coal, fn);
        }
 
-       java_coal_destroy(coal);
+       be_java_coal_destroy(coal);
        bitset_free(nodes);
+       return 0;
 }
+
+#endif