X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbecopyilp2.c;h=d6d4b755ed896190cf39f931ac6003ef3e635783;hb=8938d107e5c4fd70e921a182360f01f8bbda26cc;hp=ee02479044edeb8fcce88258797115369fa868d0;hpb=fa194e1164598e282e57273135e8c183c3e5dc21;p=libfirm diff --git a/ir/be/becopyilp2.c b/ir/be/becopyilp2.c index ee0247904..d6d4b755e 100644 --- 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 +#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 @@ -61,21 +83,22 @@ 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_register_class_put(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); } @@ -84,7 +107,7 @@ static void build_coloring_cstr(ilp_env_t *ienv) { 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; @@ -198,11 +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; @@ -296,6 +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); @@ -503,7 +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; @@ -511,7 +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(); @@ -529,7 +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 */