X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbestat.h;h=8d4f78cf41824c97b1c1e9b1cec574e10efc8779;hb=ea40997bb109173b1ba75d01a958a3cf05a771c3;hp=961ee2f4b2b71de44b6e85230553ea956c5c39f6;hpb=98ebf6ff583d8767b77f0436242f034bc75988ee;p=libfirm diff --git a/ir/be/bestat.h b/ir/be/bestat.h index 961ee2f4b..8d4f78cf4 100644 --- a/ir/be/bestat.h +++ b/ir/be/bestat.h @@ -1,93 +1,85 @@ +/* + * 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. + */ + /** - * Provides several statistic functions for the backend. - * @author Christian Wuerdig - * $Id$ + * @file + * @brief Provides several statistic functions for the backend. + * @author Christian Wuerdig, Matthias Braun + * @version $Id$ */ +#ifndef FIRM_BE_BESTAT_H +#define FIRM_BE_BESTAT_H -#ifndef _BESTAT_H_ -#define _BESTAT_H_ +#include "firm_types.h" +#include "irnodeset.h" -#include "firm_config.h" -#include "be_t.h" -#include "benodesets.h" +#include "beirg.h" #include "bestatevent.h" +#include "bearch.h" + +typedef enum be_stat_tag_t { + BE_STAT_FIRST, + BE_STAT_PHIS = BE_STAT_FIRST, /**< phi count (excluding mem-phis) */ + BE_STAT_MEM_PHIS, /**< memory-phi count */ + BE_STAT_COPIES, /**< copies */ + BE_STAT_PERMS, /**< perms */ + BE_STAT_SPILLS, /**< spills (also folded spills) */ + BE_STAT_RELOADS, /**< reloads (also folded reloads) */ + BE_STAT_REMATS, /**< rematerialized nodes */ + BE_STAT_COUNT +} be_stat_tag_t; +ENUM_COUNTABLE(be_stat_tag_t) +typedef unsigned long be_node_stats_t[BE_STAT_COUNT]; -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 -}; +/** + * Collect statistics about node types + */ +void be_collect_node_stats(be_node_stats_t *stats, ir_graph *irg); -extern FILE *be_stat_file; -extern const char *be_stat_tags[STAT_TAG_LAST]; +void be_subtract_node_stats(be_node_stats_t *stats, be_node_stats_t *sub); +void be_copy_node_stats(be_node_stats_t *dest, be_node_stats_t *src); -#ifdef FIRM_STATISTICS +void be_emit_node_stats(be_node_stats_t *stats, const char *prefix); /** * Collects statistics information about register pressure. - * @param birg The be irg object containing the irg - */ -void be_do_stat_reg_pressure(be_irg_t *birg); - -/** - * 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); - -/** - * 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 + * @param irg The irg */ -void be_do_stat_perm(const char *class_name, int n_regs, ir_node *perm, ir_node *block, int n, int real_size); +void be_do_stat_reg_pressure(ir_graph *irg, const arch_register_class_t *cls); /** - * 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 + * Gives a cost estimate for the program (based on execution frequencies) + * and backend op_estimated_cost */ -void be_do_stat_permcycle(const char *class_name, ir_node *perm, ir_node *block, int is_chain, int n_elems, int n_ops); +double be_estimate_irg_costs(ir_graph *irg, ir_exec_freq *execfreqs); /** - * Collects node statistics. - * - * @param irg the to do statistics for - * @param phase the phase to collect the statistic for + * return number of "instructions" (=nodes without some virtual nodes like Proj, + * Start, End) */ -void be_do_stat_nodes(ir_graph *irg, const char *phase); +unsigned long be_count_insns(ir_graph *irg); /** - * Performs initialization for be node statistics. + * return number of basic blocks (without the end block) */ -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 - -#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) +unsigned long be_count_blocks(ir_graph *irg); -#endif /* FIRM_STATISTICS */ -#endif /* _BESTAT_H_ */ +#endif