Mercurial > hg > CbC > CbC_gcc
annotate gcc/params.h @ 96:506ac5e3963a
modify expand_call
| author | Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 17 Jan 2012 06:11:37 +0900 |
| parents | f6334be47118 |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 /* params.h - Run-time parameters. |
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2 Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011 |
| 0 | 3 Free Software Foundation, Inc. |
| 4 Written by Mark Mitchell <mark@codesourcery.com>. | |
| 5 | |
| 6 This file is part of GCC. | |
| 7 | |
| 8 GCC is free software; you can redistribute it and/or modify it under | |
| 9 the terms of the GNU General Public License as published by the Free | |
| 10 Software Foundation; either version 3, or (at your option) any later | |
| 11 version. | |
| 12 | |
| 13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with GCC; see the file COPYING3. If not see | |
| 20 <http://www.gnu.org/licenses/>. */ | |
| 21 | |
| 22 /* This module provides a means for setting integral parameters | |
| 23 dynamically. Instead of encoding magic numbers in various places, | |
| 24 use this module to organize all the magic numbers in a single | |
| 25 place. The values of the parameters can be set on the | |
| 26 command-line, thereby providing a way to control the amount of | |
| 27 effort spent on particular optimization passes, or otherwise tune | |
| 28 the behavior of the compiler. | |
| 29 | |
| 30 Since their values can be set on the command-line, these parameters | |
| 31 should not be used for non-dynamic memory allocation. */ | |
| 32 | |
| 33 #ifndef GCC_PARAMS_H | |
| 34 #define GCC_PARAMS_H | |
| 35 | |
| 36 /* No parameter shall have this value. */ | |
| 37 | |
| 38 #define INVALID_PARAM_VAL (-1) | |
| 39 | |
| 40 /* The information associated with each parameter. */ | |
| 41 | |
| 42 typedef struct param_info | |
| 43 { | |
| 44 /* The name used with the `--param <name>=<value>' switch to set this | |
| 45 value. */ | |
| 46 const char *const option; | |
| 47 | |
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48 /* The default value. */ |
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49 int default_value; |
| 0 | 50 |
| 51 /* Minimum acceptable value. */ | |
| 52 int min_value; | |
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53 |
| 0 | 54 /* Maximum acceptable value, if greater than minimum */ |
| 55 int max_value; | |
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56 |
| 0 | 57 /* A short description of the option. */ |
| 58 const char *const help; | |
| 59 } param_info; | |
| 60 | |
| 61 /* An array containing the compiler parameters and their current | |
| 62 values. */ | |
| 63 | |
| 64 extern param_info *compiler_params; | |
| 65 | |
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66 /* Returns the number of entries in the table, for the use by plugins. */ |
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67 extern size_t get_num_compiler_params (void); |
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68 |
| 0 | 69 /* Add the N PARAMS to the current list of compiler parameters. */ |
| 70 | |
| 71 extern void add_params (const param_info params[], size_t n); | |
| 72 | |
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73 /* Set the VALUE associated with the parameter given by NAME in the |
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74 table PARAMS using PARAMS_SET to indicate which have been |
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75 explicitly set. */ |
| 0 | 76 |
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77 extern void set_param_value (const char *name, int value, |
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78 int *params, int *params_set); |
| 0 | 79 |
| 80 | |
| 81 /* The parameters in use by language-independent code. */ | |
| 82 | |
| 83 typedef enum compiler_param | |
| 84 { | |
| 85 #define DEFPARAM(enumerator, option, msgid, default, min, max) \ | |
| 86 enumerator, | |
| 87 #include "params.def" | |
| 88 #undef DEFPARAM | |
| 89 LAST_PARAM | |
| 90 } compiler_param; | |
| 91 | |
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92 /* The value of the parameter given by ENUM. Not an lvalue. */ |
| 0 | 93 #define PARAM_VALUE(ENUM) \ |
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94 ((int) global_options.x_param_values[(int) ENUM]) |
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95 |
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96 /* Set the value of the parameter given by NUM to VALUE, implicitly, |
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97 if it has not been set explicitly by the user, in the table PARAMS |
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98 using PARAMS_SET to indicate which have been explicitly set. */ |
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99 |
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100 extern void maybe_set_param_value (compiler_param num, int value, |
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101 int *params, int *params_set); |
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102 |
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103 /* Set the default value of a parameter given by NUM to VALUE, before |
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104 option processing. */ |
| 0 | 105 |
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106 extern void set_default_param_value (compiler_param num, int value); |
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107 |
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108 /* Note that all parameters have been added and all default values |
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109 set. */ |
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110 extern void finish_params (void); |
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111 |
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112 /* Return the default value of parameter NUM. */ |
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113 |
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114 extern int default_param_value (compiler_param num); |
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115 |
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116 /* Initialize an array PARAMS with default values of the |
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117 parameters. */ |
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118 extern void init_param_values (int *params); |
| 0 | 119 |
| 120 /* Macros for the various parameters. */ | |
| 121 #define STRUCT_REORG_COLD_STRUCT_RATIO \ | |
| 122 PARAM_VALUE (PARAM_STRUCT_REORG_COLD_STRUCT_RATIO) | |
| 123 #define MAX_INLINE_INSNS_SINGLE \ | |
| 124 PARAM_VALUE (PARAM_MAX_INLINE_INSNS_SINGLE) | |
| 125 #define MAX_INLINE_INSNS \ | |
| 126 PARAM_VALUE (PARAM_MAX_INLINE_INSNS) | |
| 127 #define MAX_INLINE_SLOPE \ | |
| 128 PARAM_VALUE (PARAM_MAX_INLINE_SLOPE) | |
| 129 #define MIN_INLINE_INSNS \ | |
| 130 PARAM_VALUE (PARAM_MIN_INLINE_INSNS) | |
| 131 #define MAX_INLINE_INSNS_AUTO \ | |
| 132 PARAM_VALUE (PARAM_MAX_INLINE_INSNS_AUTO) | |
| 133 #define MAX_VARIABLE_EXPANSIONS \ | |
| 134 PARAM_VALUE (PARAM_MAX_VARIABLE_EXPANSIONS) | |
| 135 #define MIN_VECT_LOOP_BOUND \ | |
| 136 PARAM_VALUE (PARAM_MIN_VECT_LOOP_BOUND) | |
| 137 #define MAX_DELAY_SLOT_INSN_SEARCH \ | |
| 138 PARAM_VALUE (PARAM_MAX_DELAY_SLOT_INSN_SEARCH) | |
| 139 #define MAX_DELAY_SLOT_LIVE_SEARCH \ | |
| 140 PARAM_VALUE (PARAM_MAX_DELAY_SLOT_LIVE_SEARCH) | |
| 141 #define MAX_PENDING_LIST_LENGTH \ | |
| 142 PARAM_VALUE (PARAM_MAX_PENDING_LIST_LENGTH) | |
| 143 #define MAX_GCSE_MEMORY \ | |
| 144 ((size_t) PARAM_VALUE (PARAM_MAX_GCSE_MEMORY)) | |
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145 #define MAX_GCSE_INSERTION_RATIO \ |
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146 ((size_t) PARAM_VALUE (PARAM_MAX_GCSE_INSERTION_RATIO)) |
| 0 | 147 #define GCSE_AFTER_RELOAD_PARTIAL_FRACTION \ |
| 148 PARAM_VALUE (PARAM_GCSE_AFTER_RELOAD_PARTIAL_FRACTION) | |
| 149 #define GCSE_AFTER_RELOAD_CRITICAL_FRACTION \ | |
| 150 PARAM_VALUE (PARAM_GCSE_AFTER_RELOAD_CRITICAL_FRACTION) | |
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151 #define GCSE_COST_DISTANCE_RATIO \ |
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152 PARAM_VALUE (PARAM_GCSE_COST_DISTANCE_RATIO) |
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153 #define GCSE_UNRESTRICTED_COST \ |
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154 PARAM_VALUE (PARAM_GCSE_UNRESTRICTED_COST) |
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155 #define MAX_HOIST_DEPTH \ |
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156 PARAM_VALUE (PARAM_MAX_HOIST_DEPTH) |
| 0 | 157 #define MAX_UNROLLED_INSNS \ |
| 158 PARAM_VALUE (PARAM_MAX_UNROLLED_INSNS) | |
| 159 #define MAX_SMS_LOOP_NUMBER \ | |
| 160 PARAM_VALUE (PARAM_MAX_SMS_LOOP_NUMBER) | |
| 161 #define SMS_MAX_II_FACTOR \ | |
| 162 PARAM_VALUE (PARAM_SMS_MAX_II_FACTOR) | |
| 163 #define SMS_DFA_HISTORY \ | |
| 164 PARAM_VALUE (PARAM_SMS_DFA_HISTORY) | |
| 165 #define SMS_LOOP_AVERAGE_COUNT_THRESHOLD \ | |
| 166 PARAM_VALUE (PARAM_SMS_LOOP_AVERAGE_COUNT_THRESHOLD) | |
| 167 #define INTEGER_SHARE_LIMIT \ | |
| 168 PARAM_VALUE (PARAM_INTEGER_SHARE_LIMIT) | |
| 169 #define MAX_LAST_VALUE_RTL \ | |
| 170 PARAM_VALUE (PARAM_MAX_LAST_VALUE_RTL) | |
| 171 #define MIN_VIRTUAL_MAPPINGS \ | |
| 172 PARAM_VALUE (PARAM_MIN_VIRTUAL_MAPPINGS) | |
| 173 #define VIRTUAL_MAPPINGS_TO_SYMS_RATIO \ | |
| 174 PARAM_VALUE (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO) | |
| 175 #define MAX_FIELDS_FOR_FIELD_SENSITIVE \ | |
| 176 ((size_t) PARAM_VALUE (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE)) | |
| 177 #define MAX_SCHED_READY_INSNS \ | |
| 178 PARAM_VALUE (PARAM_MAX_SCHED_READY_INSNS) | |
| 179 #define PREFETCH_LATENCY \ | |
| 180 PARAM_VALUE (PARAM_PREFETCH_LATENCY) | |
| 181 #define SIMULTANEOUS_PREFETCHES \ | |
| 182 PARAM_VALUE (PARAM_SIMULTANEOUS_PREFETCHES) | |
| 183 #define L1_CACHE_SIZE \ | |
| 184 PARAM_VALUE (PARAM_L1_CACHE_SIZE) | |
| 185 #define L1_CACHE_LINE_SIZE \ | |
| 186 PARAM_VALUE (PARAM_L1_CACHE_LINE_SIZE) | |
| 187 #define L2_CACHE_SIZE \ | |
| 188 PARAM_VALUE (PARAM_L2_CACHE_SIZE) | |
| 189 #define USE_CANONICAL_TYPES \ | |
| 190 PARAM_VALUE (PARAM_USE_CANONICAL_TYPES) | |
| 191 #define IRA_MAX_LOOPS_NUM \ | |
| 192 PARAM_VALUE (PARAM_IRA_MAX_LOOPS_NUM) | |
| 193 #define IRA_MAX_CONFLICT_TABLE_SIZE \ | |
| 194 PARAM_VALUE (PARAM_IRA_MAX_CONFLICT_TABLE_SIZE) | |
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195 #define IRA_LOOP_RESERVED_REGS \ |
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196 PARAM_VALUE (PARAM_IRA_LOOP_RESERVED_REGS) |
| 0 | 197 #define SWITCH_CONVERSION_BRANCH_RATIO \ |
| 198 PARAM_VALUE (PARAM_SWITCH_CONVERSION_BRANCH_RATIO) | |
| 199 #define LOOP_INVARIANT_MAX_BBS_IN_LOOP \ | |
| 200 PARAM_VALUE (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP) | |
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201 #define SLP_MAX_INSNS_IN_BB \ |
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202 PARAM_VALUE (PARAM_SLP_MAX_INSNS_IN_BB) |
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203 #define MIN_INSN_TO_PREFETCH_RATIO \ |
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204 PARAM_VALUE (PARAM_MIN_INSN_TO_PREFETCH_RATIO) |
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205 #define PREFETCH_MIN_INSN_TO_MEM_RATIO \ |
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206 PARAM_VALUE (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO) |
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207 #define MIN_NONDEBUG_INSN_UID \ |
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208 PARAM_VALUE (PARAM_MIN_NONDEBUG_INSN_UID) |
| 0 | 209 #endif /* ! GCC_PARAMS_H */ |