no environment anymore for emitters

[libfirm] / ir / be / becopyilp2.c

diff --git a/ir/be/becopyilp2.c b/ir/be/becopyilp2.c
index 773decd..d6d4b75 100644 (file)
--- a/ir/be/becopyilp2.c
+++ b/ir/be/becopyilp2.c
@@ -1,9 +1,28 @@
-/**
- * Author:      Daniel Grund
- * Date:               28.02.2006
- * Copyright:   (c) Universitaet Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+/*
+ * 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       ILP based copy minimization.
+ * @author      Daniel Grund
+ * @date        28.02.2006
+ * @version     $Id$
  *
  * ILP formalization using G=(V, E, Q):
  *  - 2 class of variables: coloring vars x_ic   and   equal color vars y_ij
@@ -25,14 +44,16 @@
  *
  *             x_nc, y_ij \in N,   w_ij \in R^+
  */
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif /* HAVE_CONFIG_H */
 
+#include "firm_config.h"
+
 #ifdef WITH_ILP
 
-#include <bitset.h>
+#include "bitset.h"
+#include "raw_bitset.h"
 #include "pdeq.h"
 
 #include "irtools.h"
@@ -40,6 +61,7 @@
 #include "becopyilp_t.h"
 #include "beifg_t.h"
 #include "besched_t.h"
+#include "benodesets.h"
 
 #define DEBUG_LVL 1
 
@@ -61,28 +83,31 @@ static void build_coloring_cstr(ilp_env_t *ienv) {
 
        be_ifg_foreach_node(ifg, iter, irn)
                if (!sr_is_removed(ienv->sr, irn)) {
-                       int col, cst_idx;
-                       arch_register_req_t req;
+                       bitset_pos_t col;
+                       int cst_idx;
+                       const arch_register_req_t *req;
                        int curr_node_color = get_irn_col(ienv->co, irn);
                        int node_nr = (int)get_irn_node_nr(irn);
                        local_env_t *lenv = ienv->env;
 
                        pmap_insert(lenv->nr_2_irn, INT_TO_PTR(node_nr), irn);
 
-                       arch_get_register_req(ienv->co->aenv, &req, irn, -1);
+                       req = arch_get_register_req(ienv->co->aenv, irn, -1);
 
                        /* get assignable colors */
-                       if (arch_register_req_is(&req, limited))
-                               req.limited(req.limited_env, colors);
-                       else
-                               arch_put_non_ignore_regs(ienv->co->aenv, req.cls, colors);
+                       if (arch_register_req_is(req, limited)) {
+                               rbitset_copy_to_bitset(req->limited, colors);
+                       } else {
+                               arch_register_class_put(req->cls, colors);
+                               // bitset_andnot(colors, ienv->co->cenv->ignore_colors);
+                       }
 
                        /* add the coloring constraint */
                        cst_idx = lpp_add_cst(ienv->lp, NULL, lpp_equal, 1.0);
 
                        bitset_foreach(colors, col) {
                                int var_idx = lpp_add_var(ienv->lp, name_cdd(buf, 'x', node_nr, col), lpp_binary, 0.0);
-                               lpp_set_start_value(ienv->lp, var_idx, (col == curr_node_color) ? 1.0 : 0.0);
+                               lpp_set_start_value(ienv->lp, var_idx, (col == (unsigned) curr_node_color) ? 1.0 : 0.0);
                                lpp_set_factor_fast(ienv->lp, cst_idx, var_idx, 1);
 
                                lenv->last_x_var = var_idx;
@@ -196,11 +221,12 @@ typedef struct _edge_t {
 static int compare_edge_t(const void *k1, const void *k2, size_t size) {
        const edge_t *e1 = k1;
        const edge_t *e2 = k2;
+       (void) size;
 
        return ! (e1->n1 == e2->n1   &&   e1->n2 == e2->n2);
 }
 
-#define HASH_EDGE(e) (HASH_PTR((e)->n1) ^ HASH_PTR((e)->n2))
+#define HASH_EDGE(e) (nodeset_hash((e)->n1) ^ nodeset_hash((e)->n2))
 
 static INLINE edge_t *add_edge(set *edges, ir_node *n1, ir_node *n2, int *counter) {
        edge_t new_edge;
@@ -294,6 +320,9 @@ static void build_clique_star_cstr(ilp_env_t *ienv) {
                        for (e=set_first(edges); !e->n1; e=set_next(edges))
                                /*nothing*/ ;
 
+                       /* we could be stepped out of the loop before the set iterated to the end */
+                       set_break(edges);
+
                        pset_insert_ptr(clique, e->n1);
                        pset_insert_ptr(clique, e->n2);
                        remove_edge(edges, e->n1, e->n2, &n_edges);
@@ -501,7 +530,7 @@ static void ilp2_apply(ilp_env_t *ienv) {
 #endif
 }
 
-int co_solve_ilp2(copy_opt_t *co, double time_limit) {
+int co_solve_ilp2(copy_opt_t *co) {
        lpp_sol_state_t sol_state;
        ilp_env_t *ienv;
        local_env_t my;
@@ -509,7 +538,7 @@ int co_solve_ilp2(copy_opt_t *co, double time_limit) {
        ASSERT_OU_AVAIL(co); //See build_clique_st
        ASSERT_GS_AVAIL(co);
 
-       my.time_limit  = time_limit;
+       my.time_limit  = 0;
        my.first_x_var = -1;
        my.last_x_var  = -1;
        my.nr_2_irn    = pmap_create();
@@ -527,7 +556,7 @@ int co_solve_ilp2(copy_opt_t *co, double time_limit) {
 
 #else /* WITH_ILP */
 
-static void only_that_you_can_compile_without_WITH_ILP_defined(void) {
+static INLINE void only_that_you_can_compile_without_WITH_ILP_defined(void) {
 }
 
 #endif /* WITH_ILP */