X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=ir%2Fir%2Firflag.c;h=abe334f78a6c02fef4198f222fc4dcd240409827;hb=95cfa6465fa7fadda4af7b97c3678acf1010ff8b;hp=a207eddc83d1cb8ad2d0b14891dad0f7ed10f9d0;hpb=677f67f9b487e35b983148f48b933d54ee383db6;p=libfirm diff --git a/ir/ir/irflag.c b/ir/ir/irflag.c index a207eddc8..abe334f78 100644 --- a/ir/ir/irflag.c +++ b/ir/ir/irflag.c @@ -1,131 +1,158 @@ -/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe -** All rights reserved. -** -** Authors: Christian Schaefer -** -** irflag --- optimization flags -*/ - -/* $Id$ */ - -#ifdef HAVE_CONFIG_H -# include -#endif +/* + * 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. + */ + +/** + * @file + * @brief Flags to control optimizations. + * @author Michael Beck, Sebastian Hack + */ +#include "config.h" + +#include + +#include "lc_opts.h" -#include "irflag.h" #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 -/* 0 - don't do this optimization - 1 - lets see, if there is a better graph */ -int optimized = 1; /* Turn off all optimizations */ +#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) +#define R_FLAG(name, value) -int opt_cse = 1; /* Hash the nodes */ -int opt_global_cse = 0; /* Don't use block predecessor for comparison */ -/* @@@ 0 solage code placement fehlt */ -int opt_constant_folding = 1; /* Evaluate operations */ -int opt_unreachable_code = 1; /* Bad node propagation */ -int opt_control_flow = 1; /* control flow optimizations. */ -int opt_dead_node_elimination = 1; /* Reclaim memory */ -int opt_reassociation = 1; /* Reassociate nodes */ -int opt_inline = 1; /* Do inlining transformation */ +optimization_state_t libFIRM_opt = +#include "irflag_t.def" + 0; -/* set the flags with set_flagname, get the flag with get_flagname */ -INLINE void -set_opt_cse (int value) -{ - opt_cse = value; -} +#undef FLAG +#undef E_FLAG +#undef I_FLAG +#undef R_FLAG -INLINE int -get_opt_cse (void) -{ - return opt_cse; -} +/** The bitset of currently running phases. */ +optimization_state_t libFIRM_running = 0; -void set_opt_global_cse (int value) -{ - opt_global_cse = value; -} +/* verbose is always off on default */ +optimization_state_t libFIRM_verb = 0; -int get_opt_global_cse (void) -{ - return opt_global_cse; -} +/* silence warnings */ +void set_opt_optimize(int value); -INLINE void -set_opt_constant_folding (int value) -{ - opt_constant_folding=value; +/* 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; \ +} \ +int (get_opt_##name)(void) { \ + return get_opt_##name##_(); \ } -INLINE int -get_opt_constant_folding (void) -{ - return opt_constant_folding; -} +/* 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; \ +} \ -INLINE void -set_opt_unreachable_code(int value) -{ - opt_unreachable_code = value; -} +#define R_FLAG(name, value) -INLINE int -get_opt_unreachable_code(void) -{ - return opt_unreachable_code; -} +/* generate them */ +#include "irflag_t.def" -INLINE void set_opt_control_flow(int value) { - opt_control_flow = value; -} +#undef I_FLAG +#undef E_FLAG +#undef R_FLAG -INLINE int get_opt_control_flow(void) { - return opt_control_flow; +/* for compatibility reasons */ +void set_optimize(int value) +{ + set_opt_optimize(value); } -INLINE void -set_opt_reassociation(int value) +int (get_optimize)(void) { - opt_reassociation = value; + return get_opt_optimize(); } -INLINE int -get_opt_reassociation(void) +/* Save the current optimization state. */ +void save_optimization_state(optimization_state_t *state) { - return opt_reassociation; + *state = libFIRM_opt; } -INLINE void -set_opt_dead_node_elimination (int value) +/* Restore the current optimization state. */ +void restore_optimization_state(const optimization_state_t *state) { - opt_dead_node_elimination = value; + libFIRM_opt = *state; } -INLINE int -get_opt_dead_node_elimination (void) +/* Switches ALL optimizations off */ +void all_optimizations_off(void) { - return opt_dead_node_elimination; + libFIRM_opt = 0; } -INLINE void -set_optimize (int value) +#ifdef _DEBUG +/* only for debugging */ +void firm_show_flags(FILE *f) { - optimized = value; + 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"); +#define R_FLAG(name, value) printf(" %-20s = %s\n", #name, is_##name##_running() ? "is running" : "not running"); +#include "irflag_t.def" +#undef I_FLAG +#undef E_FLAG +#undef R_FLAG + printf("\n"); } +#endif -INLINE int -get_optimize (void) +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)), +#define R_FLAG(name, val) +#include "irflag_t.def" +#undef I_FLAG +#undef E_FLAG +#undef R_FLAG + LC_OPT_LAST +}; + +void firm_init_flags(void) { - return optimized; + lc_opt_entry_t *grp = lc_opt_get_grp(firm_opt_get_root(), "opt"); + lc_opt_add_table(grp, firm_flags); } +firm_verification_t opt_do_node_verification = FIRM_VERIFICATION_ON; -INLINE void set_opt_inline (int value) { - opt_inline = value; -} - -INLINE int get_opt_inline (void) { - return opt_inline; +void do_node_verification(firm_verification_t mode) +{ + opt_do_node_verification = mode; }