X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbestat.h;h=f7b9064f3f66ed97455b88f222f1f8a8ceecae61;hb=dfc341ac6f54b4b0922d605e28333be76f487c68;hp=f6041f05d2f1fe8710457b010fc8626af3779fa6;hpb=49f0621a09d375221d376adb201eafe4f5d61f3e;p=libfirm diff --git a/ir/be/bestat.h b/ir/be/bestat.h index f6041f05d..f7b9064f3 100644 --- a/ir/be/bestat.h +++ b/ir/be/bestat.h @@ -1,8 +1,53 @@ -#ifndef _BESTAT_H_ -#define _BESTAT_H_ +/* + * 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 Provides several statistic functions for the backend. + * @author Christian Wuerdig + * @version $Id$ + */ +#ifndef FIRM_BE_BESTAT_H +#define FIRM_BE_BESTAT_H + +#include "firm_config.h" + +#include "firm_types.h" +#include "irnodeset.h" + +#include "beirg.h" +#include "bestatevent.h" +#include "bearch.h" + +enum { + STAT_TAG_FILE = 0, /**< tag for source file name */ + STAT_TAG_TIME = 1, /**< tag for time */ + STAT_TAG_IRG = 2, /**< tag for function name (irg) */ + STAT_TAG_CLS = 3, /**< tag for register class (or "") */ + STAT_TAG_LAST +}; -#include "be_t.h" -#include "benodesets.h" +extern FILE *be_stat_file; +extern const char *be_stat_tags[STAT_TAG_LAST]; + + +#ifdef FIRM_STATISTICS /** * Collects statistics information about register pressure. @@ -11,10 +56,67 @@ void be_do_stat_reg_pressure(be_irg_t *birg); /** - * Collect statistics about amount of redy nodes per block + * Collect statistics about amount of ready nodes per block * @param block The block * @param ready_set A set of ready nodes */ -void be_do_stat_sched_ready(ir_node *block, nodeset *ready_set); +void be_do_stat_sched_ready(ir_node *block, const ir_nodeset_t *ready_set); + +/** + * Pass information about a perm to the statistic module. + * + * @param class_name the name of the register class + * @param n_regs number of registers in the register class + * @param perm the perm node + * @param block the block containing the perm + * @param size the size of the perm + * @param real_size number of pairs with different registers + */ +void be_do_stat_perm(const char *class_name, int n_regs, ir_node *perm, ir_node *block, int n, int real_size); + +/** + * Pass information about a cycle or chain in a perm to the statistic module. + * + * @param class_name the name of the register class + * @param perm the perm node + * @param block the block containing the perm + * @param is_chain 1 if chain, 0 if cycle + * @param size length of the cycle/chain + * @param n_ops the number of ops representing this cycle/chain after lowering + */ +void be_do_stat_permcycle(const char *class_name, ir_node *perm, ir_node *block, int is_chain, int n_elems, int n_ops); + +/** + * Collects node statistics. + * + * @param irg the to do statistics for + * @param phase the phase to collect the statistic for + */ +void be_do_stat_nodes(ir_graph *irg, const char *phase); + +/** + * Performs initialization for be node statistics. + */ +void be_stat_init_irg(const arch_env_t *arch_env, ir_graph *irg); + +void be_init_stat_file(const char *filename, const char *sourcefilename); +void be_close_stat_file(void); + +#else /* ! FIRM_STATISTICS */ + +#define be_stat_init_irg(arch_env, irg) +#define be_do_stat_nodes(irg, phase) +#define be_do_stat_reg_pressure(birg) +#define be_do_stat_sched_ready(block, ready_set) +#define be_do_stat_perm(class_name, n_regs, perm, block, n, real_size) +#define be_do_stat_permcycle(class_name, perm, block, is_chain, n_elems, n_ops) + +#endif /* FIRM_STATISTICS */ + +/** + * Gives a cost estimate for the program (based on execution frequencies) + * and backend op_estimated_cost + */ +double be_estimate_irg_costs(ir_graph *irg, const arch_env_t *arch_env, ir_exec_freq *execfreqs); -#endif /* _BESTAT_H_ */ +#endif /* FIRM_BE_BESTAT_H */