X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbecopyopt.h;h=ba94d50f51aa52473fc37a83e727035c1972db83;hb=75b78dc47d9f1310e0f07bc306b314e89bc5c50c;hp=08f82b936e045e34cb63366eb183083bc2c5e260;hpb=4d5c3365a58cba59993045a9e08e686d8ae079a7;p=libfirm diff --git a/ir/be/becopyopt.h b/ir/be/becopyopt.h index 08f82b936..ba94d50f5 100644 --- a/ir/be/becopyopt.h +++ b/ir/be/becopyopt.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -18,23 +18,25 @@ */ /** - * Author: Daniel Grund - * Date: 11.04.2005 - * Copyright: (c) Universitaet Karlsruhe - * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. + * @file + * @brief Copy minimization driver. + * @author Daniel Grund + * @date 11.04.2005 + * @version $Id$ * * Main file for the optimization reducing the copies needed for: * - Phi coalescing * - Register-constrained nodes * - Two-address code instructions */ -#ifndef _BECOPYOPT_H -#define _BECOPYOPT_H +#ifndef FIRM_BE_BECOPYOPT_H +#define FIRM_BE_BECOPYOPT_H #include #include "firm_types.h" #include "bechordal.h" +#include "beutil.h" /** * Flags for dumping the IFG. @@ -53,18 +55,35 @@ enum { CO_ALGO_NONE, CO_ALGO_HEUR, CO_ALGO_HEUR2, - CO_ALGO_HEUR3, CO_ALGO_HEUR4, CO_ALGO_ILP, +#ifdef FIRM_KAPS + CO_ALGO_PBQP, +#endif CO_ALGO_LAST }; -/** The driver for copy minimization. */ -void co_driver(be_chordal_env_t *cenv); - typedef struct _copy_opt_t copy_opt_t; -typedef int(*cost_fct_t)(const copy_opt_t *, ir_node*, ir_node*, int); +typedef int(*cost_fct_t)(const copy_opt_t *, ir_node *, ir_node *, int); + +typedef struct { + int (*copyopt)(copy_opt_t *co); /**< function ptr to run copyopt */ + int can_improve_existing; +} co_algo_info; + + +/** + * Register a new copy optimazation algorithm. + * + * @param name the name of the copy optimazation algorithm, + * used to select it + * @param spiller a copy optimazation entry + */ +void be_register_copyopt(const char *name, co_algo_info *copyopt); + +/** The driver for copy minimization. */ +void co_driver(be_chordal_env_t *cenv); /** A coalescing algorithm. */ typedef int (co_algo_t)(copy_opt_t *); @@ -79,18 +98,6 @@ copy_opt_t *new_copy_opt(be_chordal_env_t *chordal_env, cost_fct_t get_costs); */ void free_copy_opt(copy_opt_t *co); -/** - * Checks if a node is optimizable, viz. has something to do with coalescing - * @param arch The architecture environment - * @param irn The irn to check - */ -int co_is_optimizable_root(const copy_opt_t *co, ir_node *irn); - -/** - * Checks if the irn is a non-interfering argument of a node which 'is_optimizable' - */ -int co_is_optimizable_arg(const copy_opt_t *co, ir_node *irn); - /** * Computes the costs of a copy according to loop depth * @param co The copy opt object. @@ -165,18 +172,6 @@ void co_solve_park_moon(copy_opt_t *co); */ int co_solve_heuristic_new(copy_opt_t *co); -/** - * Solves the copy minimization problem using another heuristic approach implemented in Java. - * This function needs a JVM which is started to call the Java module. - * Uses the GRAPH data structure. - */ -int co_solve_heuristic_java(copy_opt_t *co); - -/** - * This is the pure C implementation of co_solve_heuristic_java(). - */ -int co_solve_heuristic_mst(copy_opt_t *co); - /** * Returns the maximal costs possible, i.e. the costs if all * pairs would be assigned different registers. @@ -262,4 +257,4 @@ int co_solve_ilp2(copy_opt_t *co); */ int co_gs_is_optimizable(copy_opt_t *co, ir_node *irn); -#endif /* _BECOPYOPT_H */ +#endif /* FIRM_BE_BECOPYOPT_H */