2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Flags to control optimizations.
23 * @author Michael Beck, Sebastian Hack
31 #include "firm_common.h"
35 /* DISABLE - don't do this optimization
36 ENABLE - lets see, if there is a better graph */
40 #define FLAG(name, value, def) (irf_##name & def) |
41 #define E_FLAG(name, value, def) FLAG(name, value, def)
42 #define I_FLAG(name, value, def) FLAG(name, value, def)
43 #define R_FLAG(name, value)
45 optimization_state_t libFIRM_opt =
46 #include "irflag_t.def"
54 optimization_state_t libFIRM_running = 0;
56 optimization_state_t libFIRM_verb = 0;
58 void set_opt_optimize(int value);
60 /* an external flag can be set and get from outside */
61 #define E_FLAG(name, value, def) \
62 void set_opt_##name(int flag) { \
63 if (flag) libFIRM_opt |= irf_##name; \
64 else libFIRM_opt &= ~irf_##name; \
66 int (get_opt_##name)(void) { \
67 return get_opt_##name##_(); \
70 /* an internal flag can only be set from outside */
71 #define I_FLAG(name, value, def) \
72 void set_opt_##name(int flag) { \
73 if (flag) libFIRM_opt |= irf_##name; \
74 else libFIRM_opt &= ~irf_##name; \
77 #define R_FLAG(name, value)
80 #include "irflag_t.def"
86 void set_optimize(int value)
88 set_opt_optimize(value);
91 int (get_optimize)(void)
93 return get_opt_optimize();
96 void save_optimization_state(optimization_state_t *state)
101 void restore_optimization_state(const optimization_state_t *state)
103 libFIRM_opt = *state;
106 void all_optimizations_off(void)
112 void firm_show_flags(FILE *f)
116 printf("Firm optimization state:\n");
117 #define E_FLAG(name, value, def) printf(" %-20s = %s\n", #name, get_opt_##name() ? "ON" : "OFF");
118 #define I_FLAG(name, value, def) printf(" %-20s = %s\n", #name, get_opt_##name() ? "ON" : "OFF");
119 #define R_FLAG(name, value) printf(" %-20s = %s\n", #name, is_##name##_running() ? "is running" : "not running");
120 #include "irflag_t.def"
128 static const lc_opt_table_entry_t firm_flags[] = {
129 #define I_FLAG(name, val, def) LC_OPT_ENT_BIT(#name, #name, &libFIRM_opt, (1 << val)),
130 #define E_FLAG(name, val, def) LC_OPT_ENT_BIT(#name, #name, &libFIRM_opt, (1 << val)),
131 #define R_FLAG(name, val)
132 #include "irflag_t.def"
139 void firm_init_flags(void)
141 lc_opt_entry_t *grp = lc_opt_get_grp(firm_opt_get_root(), "opt");
142 lc_opt_add_table(grp, firm_flags);
145 firm_verification_t opt_do_node_verification = FIRM_VERIFICATION_ON;
147 void do_node_verification(firm_verification_t mode)
149 opt_do_node_verification = mode;