annotate gcc/params.h @ 128:fe568345ddd5

fix CbC-example
author mir3636
date Wed, 11 Apr 2018 19:32:28 +0900
parents 04ced10e8804
children 84e7813d76e9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* params.h - Run-time parameters.
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2 Copyright (C) 2001-2017 Free Software Foundation, Inc.
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3 Written by Mark Mitchell <mark@codesourcery.com>.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it under
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8 the terms of the GNU General Public License as published by the Free
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9 Software Foundation; either version 3, or (at your option) any later
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10 version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 /* This module provides a means for setting integral parameters
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22 dynamically. Instead of encoding magic numbers in various places,
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23 use this module to organize all the magic numbers in a single
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24 place. The values of the parameters can be set on the
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25 command-line, thereby providing a way to control the amount of
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26 effort spent on particular optimization passes, or otherwise tune
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27 the behavior of the compiler.
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28
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29 Since their values can be set on the command-line, these parameters
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30 should not be used for non-dynamic memory allocation. */
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31
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32 #ifndef GCC_PARAMS_H
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33 #define GCC_PARAMS_H
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34
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35 /* No parameter shall have this value. */
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36
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37 #define INVALID_PARAM_VAL (-1)
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38
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39 /* The information associated with each parameter. */
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40
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41 struct param_info
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42 {
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43 /* The name used with the `--param <name>=<value>' switch to set this
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44 value. */
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45 const char *option;
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47 /* The default value. */
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48 int default_value;
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49
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50 /* Minimum acceptable value. */
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51 int min_value;
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53 /* Maximum acceptable value, if greater than minimum */
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54 int max_value;
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56 /* A short description of the option. */
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57 const char *help;
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58
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59 /* The optional names corresponding to the values. */
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60 const char **value_names;
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61 };
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63 /* An array containing the compiler parameters and their current
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64 values. */
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65
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66 extern param_info *compiler_params;
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67
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68 /* Returns the number of entries in the table, for the use by plugins. */
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69 extern size_t get_num_compiler_params (void);
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70
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71 /* Add the N PARAMS to the current list of compiler parameters. */
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72
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73 extern void add_params (const param_info params[], size_t n);
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75 /* Set the VALUE associated with the parameter given by NAME in the
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76 table PARAMS using PARAMS_SET to indicate which have been
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77 explicitly set. */
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79 extern void set_param_value (const char *name, int value,
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80 int *params, int *params_set);
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81
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82
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83 /* The parameters in use by language-independent code. */
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85 enum compiler_param
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86 {
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87 #include "params.list"
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88 LAST_PARAM
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89 };
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90
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91 extern bool find_param (const char *, enum compiler_param *);
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92 extern const char *find_param_fuzzy (const char *name);
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93 extern bool param_string_value_p (enum compiler_param, const char *, int *);
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95 /* The value of the parameter given by ENUM. Not an lvalue. */
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96 #define PARAM_VALUE(ENUM) \
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97 ((int) global_options.x_param_values[(int) ENUM])
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99 /* Set the value of the parameter given by NUM to VALUE, implicitly,
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100 if it has not been set explicitly by the user, in the table PARAMS
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101 using PARAMS_SET to indicate which have been explicitly set. */
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103 extern void maybe_set_param_value (compiler_param num, int value,
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104 int *params, int *params_set);
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105
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106 /* Set the default value of a parameter given by NUM to VALUE, before
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107 option processing. */
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108
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109 extern void set_default_param_value (compiler_param num, int value);
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110
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111 /* Add all parameters and default values that can be set in both the
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112 driver and the compiler proper. */
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113
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114 extern void global_init_params (void);
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115
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116 /* Note that all parameters have been added and all default values
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117 set. */
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118 extern void finish_params (void);
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119
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120 /* Reset all state in params.c */
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121
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122 extern void params_c_finalize (void);
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123
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124 /* Return the default value of parameter NUM. */
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125
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126 extern int default_param_value (compiler_param num);
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127
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128 /* Initialize an array PARAMS with default values of the
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129 parameters. */
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130 extern void init_param_values (int *params);
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131
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132 /* Macros for the various parameters. */
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133 #define MAX_INLINE_INSNS_SINGLE \
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134 PARAM_VALUE (PARAM_MAX_INLINE_INSNS_SINGLE)
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135 #define MAX_INLINE_INSNS \
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136 PARAM_VALUE (PARAM_MAX_INLINE_INSNS)
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137 #define MAX_INLINE_SLOPE \
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138 PARAM_VALUE (PARAM_MAX_INLINE_SLOPE)
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139 #define MIN_INLINE_INSNS \
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140 PARAM_VALUE (PARAM_MIN_INLINE_INSNS)
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141 #define MAX_INLINE_INSNS_AUTO \
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142 PARAM_VALUE (PARAM_MAX_INLINE_INSNS_AUTO)
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143 #define MAX_VARIABLE_EXPANSIONS \
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144 PARAM_VALUE (PARAM_MAX_VARIABLE_EXPANSIONS)
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145 #define MIN_VECT_LOOP_BOUND \
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146 PARAM_VALUE (PARAM_MIN_VECT_LOOP_BOUND)
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147 #define MAX_DELAY_SLOT_INSN_SEARCH \
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148 PARAM_VALUE (PARAM_MAX_DELAY_SLOT_INSN_SEARCH)
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149 #define MAX_DELAY_SLOT_LIVE_SEARCH \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 PARAM_VALUE (PARAM_MAX_DELAY_SLOT_LIVE_SEARCH)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 #define MAX_PENDING_LIST_LENGTH \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 PARAM_VALUE (PARAM_MAX_PENDING_LIST_LENGTH)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 #define MAX_GCSE_MEMORY \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
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154 ((size_t) PARAM_VALUE (PARAM_MAX_GCSE_MEMORY))
67
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parents: 55
diff changeset
155 #define MAX_GCSE_INSERTION_RATIO \
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parents: 55
diff changeset
156 ((size_t) PARAM_VALUE (PARAM_MAX_GCSE_INSERTION_RATIO))
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 #define GCSE_AFTER_RELOAD_PARTIAL_FRACTION \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 PARAM_VALUE (PARAM_GCSE_AFTER_RELOAD_PARTIAL_FRACTION)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
159 #define GCSE_AFTER_RELOAD_CRITICAL_FRACTION \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 PARAM_VALUE (PARAM_GCSE_AFTER_RELOAD_CRITICAL_FRACTION)
67
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
161 #define GCSE_COST_DISTANCE_RATIO \
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
162 PARAM_VALUE (PARAM_GCSE_COST_DISTANCE_RATIO)
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
163 #define GCSE_UNRESTRICTED_COST \
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
164 PARAM_VALUE (PARAM_GCSE_UNRESTRICTED_COST)
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
165 #define MAX_HOIST_DEPTH \
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
166 PARAM_VALUE (PARAM_MAX_HOIST_DEPTH)
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 #define MAX_UNROLLED_INSNS \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 PARAM_VALUE (PARAM_MAX_UNROLLED_INSNS)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
169 #define MAX_SMS_LOOP_NUMBER \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 PARAM_VALUE (PARAM_MAX_SMS_LOOP_NUMBER)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
171 #define SMS_MAX_II_FACTOR \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
172 PARAM_VALUE (PARAM_SMS_MAX_II_FACTOR)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 #define SMS_DFA_HISTORY \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 PARAM_VALUE (PARAM_SMS_DFA_HISTORY)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 #define SMS_LOOP_AVERAGE_COUNT_THRESHOLD \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 PARAM_VALUE (PARAM_SMS_LOOP_AVERAGE_COUNT_THRESHOLD)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 #define INTEGER_SHARE_LIMIT \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 PARAM_VALUE (PARAM_INTEGER_SHARE_LIMIT)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 #define MAX_LAST_VALUE_RTL \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 PARAM_VALUE (PARAM_MAX_LAST_VALUE_RTL)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
181 #define MIN_VIRTUAL_MAPPINGS \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 PARAM_VALUE (PARAM_MIN_VIRTUAL_MAPPINGS)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
183 #define VIRTUAL_MAPPINGS_TO_SYMS_RATIO \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
184 PARAM_VALUE (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
185 #define MAX_FIELDS_FOR_FIELD_SENSITIVE \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
186 ((size_t) PARAM_VALUE (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE))
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
187 #define MAX_SCHED_READY_INSNS \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
188 PARAM_VALUE (PARAM_MAX_SCHED_READY_INSNS)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
189 #define PREFETCH_LATENCY \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
190 PARAM_VALUE (PARAM_PREFETCH_LATENCY)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 #define SIMULTANEOUS_PREFETCHES \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
192 PARAM_VALUE (PARAM_SIMULTANEOUS_PREFETCHES)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 #define L1_CACHE_SIZE \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
194 PARAM_VALUE (PARAM_L1_CACHE_SIZE)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 #define L1_CACHE_LINE_SIZE \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
196 PARAM_VALUE (PARAM_L1_CACHE_LINE_SIZE)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
197 #define L2_CACHE_SIZE \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
198 PARAM_VALUE (PARAM_L2_CACHE_SIZE)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
199 #define USE_CANONICAL_TYPES \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 PARAM_VALUE (PARAM_USE_CANONICAL_TYPES)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 #define IRA_MAX_LOOPS_NUM \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
202 PARAM_VALUE (PARAM_IRA_MAX_LOOPS_NUM)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 #define IRA_MAX_CONFLICT_TABLE_SIZE \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 PARAM_VALUE (PARAM_IRA_MAX_CONFLICT_TABLE_SIZE)
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
205 #define IRA_LOOP_RESERVED_REGS \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
206 PARAM_VALUE (PARAM_IRA_LOOP_RESERVED_REGS)
111
kono
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diff changeset
207 #define LRA_MAX_CONSIDERED_RELOAD_PSEUDOS \
kono
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diff changeset
208 PARAM_VALUE (PARAM_LRA_MAX_CONSIDERED_RELOAD_PSEUDOS)
kono
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diff changeset
209 #define LRA_INHERITANCE_EBB_PROBABILITY_CUTOFF \
kono
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diff changeset
210 PARAM_VALUE (PARAM_LRA_INHERITANCE_EBB_PROBABILITY_CUTOFF)
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 #define SWITCH_CONVERSION_BRANCH_RATIO \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
212 PARAM_VALUE (PARAM_SWITCH_CONVERSION_BRANCH_RATIO)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 #define LOOP_INVARIANT_MAX_BBS_IN_LOOP \
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 PARAM_VALUE (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP)
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
215 #define SLP_MAX_INSNS_IN_BB \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
216 PARAM_VALUE (PARAM_SLP_MAX_INSNS_IN_BB)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
217 #define MIN_INSN_TO_PREFETCH_RATIO \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
218 PARAM_VALUE (PARAM_MIN_INSN_TO_PREFETCH_RATIO)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
219 #define PREFETCH_MIN_INSN_TO_MEM_RATIO \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
220 PARAM_VALUE (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
221 #define MIN_NONDEBUG_INSN_UID \
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 0
diff changeset
222 PARAM_VALUE (PARAM_MIN_NONDEBUG_INSN_UID)
111
kono
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diff changeset
223 #define MAX_STORES_TO_SINK \
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diff changeset
224 PARAM_VALUE (PARAM_MAX_STORES_TO_SINK)
kono
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diff changeset
225 #define ALLOW_LOAD_DATA_RACES \
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diff changeset
226 PARAM_VALUE (PARAM_ALLOW_LOAD_DATA_RACES)
kono
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diff changeset
227 #define ALLOW_STORE_DATA_RACES \
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diff changeset
228 PARAM_VALUE (PARAM_ALLOW_STORE_DATA_RACES)
kono
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diff changeset
229 #define ALLOW_PACKED_LOAD_DATA_RACES \
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diff changeset
230 PARAM_VALUE (PARAM_ALLOW_PACKED_LOAD_DATA_RACES)
kono
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diff changeset
231 #define ALLOW_PACKED_STORE_DATA_RACES \
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diff changeset
232 PARAM_VALUE (PARAM_ALLOW_PACKED_STORE_DATA_RACES)
kono
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diff changeset
233 #define ASAN_STACK \
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diff changeset
234 PARAM_VALUE (PARAM_ASAN_STACK)
kono
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diff changeset
235 #define ASAN_PROTECT_ALLOCAS \
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diff changeset
236 PARAM_VALUE (PARAM_ASAN_PROTECT_ALLOCAS)
kono
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diff changeset
237 #define ASAN_GLOBALS \
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diff changeset
238 PARAM_VALUE (PARAM_ASAN_GLOBALS)
kono
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diff changeset
239 #define ASAN_INSTRUMENT_READS \
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diff changeset
240 PARAM_VALUE (PARAM_ASAN_INSTRUMENT_READS)
kono
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diff changeset
241 #define ASAN_INSTRUMENT_WRITES \
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diff changeset
242 PARAM_VALUE (PARAM_ASAN_INSTRUMENT_WRITES)
kono
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diff changeset
243 #define ASAN_MEMINTRIN \
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diff changeset
244 PARAM_VALUE (PARAM_ASAN_MEMINTRIN)
kono
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diff changeset
245 #define ASAN_USE_AFTER_RETURN \
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diff changeset
246 PARAM_VALUE (PARAM_ASAN_USE_AFTER_RETURN)
kono
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diff changeset
247 #define ASAN_INSTRUMENTATION_WITH_CALL_THRESHOLD \
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diff changeset
248 PARAM_VALUE (PARAM_ASAN_INSTRUMENTATION_WITH_CALL_THRESHOLD)
kono
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diff changeset
249 #define ASAN_PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD \
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diff changeset
250 ((unsigned) PARAM_VALUE (PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD))
kono
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diff changeset
251
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
252 #endif /* ! GCC_PARAMS_H */