X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firflag.c;h=30b98ce9776023b8f1ab9703b680264dbb2f7786;hb=75bdba692afeb0617e59ddc2ea08e0662c356e03;hp=1e106958b382068403846ffc02bd14afd40f58d3;hpb=e3e22fa6f927847099c0bff62457003aa81f2518;p=libfirm diff --git a/ir/ir/irflag.c b/ir/ir/irflag.c index 1e106958b..30b98ce97 100644 --- a/ir/ir/irflag.c +++ b/ir/ir/irflag.c @@ -1,95 +1,176 @@ -/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe -** All rights reserved. -** -** Authors: Christian Schaefer -** -** irflag --- optimization flags -*/ - -/* $Id$ */ - +/* + * 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 Flags to control optimizations. + * @author Christian Schaefer, Goetz Lindenmaier + * @version $Id$ + */ #ifdef HAVE_CONFIG_H -# include +# include "config.h" #endif +#include -/* 0 - don't do this optimization - 1 - lets see, if there is a better graph */ -int opt_cse = 1; /* Hash the nodes */ -int opt_constant_folding = 1; /* Evaluate operations */ -int opt_unreachable_code = 1; /* Bad node propagation */ -int opt_dead_node_elimination = 1; /* Reclaim memory */ -int optimized = 1; -int opt_inline = 1; - -/* set the flags with set_flagname, get the flag with get_flagname */ +#ifdef WITH_LIBCORE +#include +#endif -inline void -set_opt_cse (int value) -{ - opt_cse = value; +#include "firm_common.h" +#include "irtools.h" +#include "irflag_t.h" + +/* DISABLE - don't do this optimization + ENABLE - lets see, if there is a better graph */ +#define ON (-1) +#define OFF (0) + +#define FLAG(name, value, def) (irf_##name & def) | +#define E_FLAG(name, value, def) FLAG(name, value, def) +#define I_FLAG(name, value, def) FLAG(name, value, def) + +optimization_state_t libFIRM_opt = +#include "irflag_t.def" + 0; + +#undef FLAG +#undef E_FLAG +#undef I_FLAG + + +/* verbose is always off on default */ +optimization_state_t libFIRM_verb = 0; + +/** The Firm verbosity level */ +int firm_verbosity_level; + +/* an external flag can be set and get from outside */ +#define E_FLAG(name, value, def) \ +void set_opt_##name(int flag) { \ + if (flag) libFIRM_opt |= irf_##name; \ + else libFIRM_opt &= ~irf_##name; \ +} \ +void set_opt_##name##_verbose(int flag) { \ + if (flag) libFIRM_verb |= irf_##name; \ + else libFIRM_verb &= ~irf_##name; \ +} \ +int (get_opt_##name)(void) { \ + return _get_opt_##name(); \ } -inline int -get_opt_cse (void) -{ - return opt_cse; +/* an internal flag can only be set from outside */ +#define I_FLAG(name, value, def) \ +void set_opt_##name(int flag) { \ + if (flag) libFIRM_opt |= irf_##name; \ + else libFIRM_opt &= ~irf_##name; \ +} \ +void set_opt_##name##_verbose(int flag) { \ + if (flag) libFIRM_verb |= irf_##name; \ + else libFIRM_verb &= ~irf_##name; \ } -inline void -set_opt_constant_folding (int value) -{ - opt_constant_folding=value; +/* generate them */ +#include "irflag_t.def" + +#undef I_FLAG +#undef E_FLAG + +/* for compatibility reasons */ +void set_optimize(int value) { + if (value) libFIRM_opt |= irf_optimize; + else libFIRM_opt &= ~irf_optimize; } -inline int -get_opt_constant_folding (void) -{ - return opt_constant_folding; +int (get_optimize)(void) { + return get_opt_optimize(); } -inline void -set_opt_unreachable_code(int value) +void set_opt_control_flow(int value) { - opt_unreachable_code = value; + set_opt_control_flow_straightening(value); + set_opt_control_flow_weak_simplification(value); + set_opt_control_flow_strong_simplification(value); } -inline int -get_opt_unreachable_code(void) -{ - return opt_unreachable_code; +void set_firm_verbosity (int value) { + firm_verbosity_level = value; } +int (get_firm_verbosity) (void) { + return _get_firm_verbosity(); +} -inline void -set_opt_dead_node_elimination (int value) +/* Save the current optimization state. */ +void save_optimization_state(optimization_state_t *state) { - opt_dead_node_elimination = value; + *state = libFIRM_opt; } -inline int -get_opt_dead_node_elimination (void) +/* Restore the current optimization state. */ +void restore_optimization_state(const optimization_state_t *state) { - return opt_dead_node_elimination; + libFIRM_opt = *state; } -inline void -set_optimize (int value) +/* Switches ALL optimizations off */ +void all_optimizations_off(void) { - optimized = value; + libFIRM_opt = 0; } -inline int -get_optimize (void) -{ - return optimized; +#ifdef _DEBUG +/* only for debugging */ +void firm_show_flags(FILE *f) { + if (! f) + f = stdout; + printf("Firm optimization state:\n"); +#define E_FLAG(name, value, def) printf(" %-20s = %s\n", #name, get_opt_##name() ? "ON" : "OFF"); +#define I_FLAG(name, value, def) printf(" %-20s = %s\n", #name, get_opt_##name() ? "ON" : "OFF"); +#include "irflag_t.def" +#undef I_FLAG +#undef E_FLAG + printf("\n"); } +#endif +#ifdef WITH_LIBCORE +static const lc_opt_table_entry_t firm_flags[] = { +#define I_FLAG(name, val, def) LC_OPT_ENT_BIT(#name, #name, &libFIRM_opt, (1 << val)), +#define E_FLAG(name, val, def) LC_OPT_ENT_BIT(#name, #name, &libFIRM_opt, (1 << val)), +#include "irflag_t.def" +#undef I_FLAG +#undef E_FLAG + { NULL } +}; +#endif -void set_opt_inline (int value) { - opt_inline = value; +void firm_init_flags(void) +{ +#ifdef WITH_LIBCORE + lc_opt_entry_t *grp = lc_opt_get_grp(firm_opt_get_root(), "opt"); + lc_opt_add_table(grp, firm_flags); +#endif } -int get_opt_inline (void) { - return opt_inline; +firm_verification_t opt_do_node_verification = FIRM_VERIFICATION_ON; + +void do_node_verification(firm_verification_t mode) { + opt_do_node_verification = mode; }