annotate gcc/toplev.h @ 59:5b5b9ea5b220

fix
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 15 Feb 2010 17:22:24 +0900
parents 77e2b8dfacca
children b7f97abdc517
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* toplev.h - Various declarations for functions found in toplev.c
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2 Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008,
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3 2009 Free Software Foundation, Inc.
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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 #ifndef GCC_TOPLEV_H
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22 #define GCC_TOPLEV_H
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23 #include "input.h"
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24 #include "bversion.h"
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25
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26 /* If non-NULL, return one past-the-end of the matching SUBPART of
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27 the WHOLE string. */
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28 #define skip_leading_substring(whole, part) \
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29 (strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part))
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30
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31 extern int toplev_main (int, char **);
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32 extern int read_integral_parameter (const char *, const char *, const int);
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33 extern void strip_off_ending (char *, int);
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34 extern const char *trim_filename (const char *);
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35 extern void _fatal_insn_not_found (const_rtx, const char *, int, const char *)
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36 ATTRIBUTE_NORETURN;
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37 extern void _fatal_insn (const char *, const_rtx, const char *, int, const char *)
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38 ATTRIBUTE_NORETURN;
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39
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40 #define fatal_insn(msgid, insn) \
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41 _fatal_insn (msgid, insn, __FILE__, __LINE__, __FUNCTION__)
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42 #define fatal_insn_not_found(insn) \
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43 _fatal_insn_not_found (insn, __FILE__, __LINE__, __FUNCTION__)
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44
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45 /* If we haven't already defined a frontend specific diagnostics
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46 style, use the generic one. */
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47 #ifndef GCC_DIAG_STYLE
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48 #define GCC_DIAG_STYLE __gcc_tdiag__
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49 #endif
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50 /* None of these functions are suitable for ATTRIBUTE_PRINTF, because
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51 each language front end can extend them with its own set of format
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52 specifiers. We must use custom format checks. */
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53 #if (ENABLE_CHECKING && GCC_VERSION >= 4001) || GCC_VERSION == BUILDING_GCC_VERSION
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54 #define ATTRIBUTE_GCC_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
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55 #else
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56 #define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m)
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57 #endif
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58 extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
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59 ATTRIBUTE_NORETURN;
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60 /* Pass one of the OPT_W* from options.h as the first parameter. */
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61 extern bool warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
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62 extern bool warning_at (location_t, int, const char *, ...)
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63 ATTRIBUTE_GCC_DIAG(3,4);
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64 extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
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65 extern void error_at (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
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66 extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
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67 ATTRIBUTE_NORETURN;
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68 /* Pass one of the OPT_W* from options.h as the second parameter. */
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69 extern bool pedwarn (location_t, int, const char *, ...)
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70 ATTRIBUTE_GCC_DIAG(3,4);
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71 extern bool permerror (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
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72 extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
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73 extern void inform (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
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74 extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
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75
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76 extern void rest_of_decl_compilation (tree, int, int);
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77 extern void rest_of_type_compilation (tree, int);
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78 extern void tree_rest_of_compilation (tree);
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79 extern void init_optimization_passes (void);
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80 extern void finish_optimization_passes (void);
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81 extern bool enable_rtl_dump_file (void);
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82
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83 extern void announce_function (tree);
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84
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85 extern void error_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
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86 extern void warning_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
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87 extern void warn_deprecated_use (tree, tree);
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88 extern bool parse_optimize_options (tree, bool);
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89
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90 #ifdef BUFSIZ
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91 extern void output_quoted_string (FILE *, const char *);
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92 extern void output_file_directive (FILE *, const char *);
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93 #endif
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94
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95 #ifdef BUFSIZ
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96 /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and
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97 therefore it can have ATTRIBUTE_PRINTF. */
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98 extern void fnotice (FILE *, const char *, ...)
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99 ATTRIBUTE_PRINTF_2;
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100 #endif
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101
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102 extern void wrapup_global_declaration_1 (tree);
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103 extern bool wrapup_global_declaration_2 (tree);
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104 extern bool wrapup_global_declarations (tree *, int);
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105 extern void check_global_declaration_1 (tree);
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106 extern void check_global_declarations (tree *, int);
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107 extern void emit_debug_global_declarations (tree *, int);
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108 extern void write_global_declarations (void);
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109
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110 extern void dump_memory_report (bool);
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111
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112 extern void target_reinit (void);
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113
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114 /* A unique local time stamp, might be zero if none is available. */
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115 extern unsigned local_tick;
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116
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117 extern const char *progname;
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118 extern const char *dump_base_name;
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119 extern const char *aux_base_name;
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120 extern const char *aux_info_file_name;
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121 extern const char *profile_data_prefix;
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122 extern const char *asm_file_name;
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123 extern bool exit_after_options;
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124
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125 /* True if the user has tagged the function with the 'section'
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126 attribute. */
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127
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128 extern bool user_defined_section_attribute;
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129
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130 /* See toplev.c. */
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131 extern int flag_crossjumping;
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132 extern int flag_if_conversion;
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133 extern int flag_if_conversion2;
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134 extern int flag_keep_static_consts;
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135 extern int flag_peel_loops;
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136 extern int flag_rerun_cse_after_global_opts;
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137 extern int flag_rerun_cse_after_loop;
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138 extern int flag_thread_jumps;
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139 extern int flag_tracer;
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140 extern int flag_unroll_loops;
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141 extern int flag_unroll_all_loops;
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142 extern int flag_unswitch_loops;
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143 extern int flag_cprop_registers;
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144 extern int time_report;
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145 extern int flag_ira_loop_pressure;
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146 extern int flag_ira_coalesce;
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147 extern int flag_ira_move_spills;
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148 extern int flag_ira_share_save_slots;
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149 extern int flag_ira_share_spill_slots;
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150
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151 /* Things to do with target switches. */
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152 extern void print_version (FILE *, const char *);
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153 extern void * default_get_pch_validity (size_t *);
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154 extern const char * default_pch_valid_p (const void *, size_t);
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155
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156 /* The hashtable, so that the C front ends can pass it to cpplib. */
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157 extern struct ht *ident_hash;
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158
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159 /* This function can be used by targets to set the flags originally
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160 implied by -ffast-math and -fno-fast-math. */
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161
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162 extern void set_fast_math_flags (int);
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163
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164 extern void set_unsafe_math_optimizations_flags (int);
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165
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166 /* Handle -d switch. */
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167 extern void decode_d_option (const char *);
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168
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169 /* Return true iff flags are set as if -ffast-math. */
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170 extern bool fast_math_flags_set_p (void);
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171 extern bool fast_math_flags_struct_set_p (struct cl_optimization *);
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172
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173 /* Inline versions of the above for speed. */
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174 #if GCC_VERSION < 3004
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175
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176 /* Return log2, or -1 if not exact. */
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177 extern int exact_log2 (unsigned HOST_WIDE_INT);
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178
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179 /* Return floor of log2, with -1 for zero. */
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180 extern int floor_log2 (unsigned HOST_WIDE_INT);
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181
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182 #else /* GCC_VERSION >= 3004 */
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183
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184 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
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185 # define CLZ_HWI __builtin_clzl
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186 # define CTZ_HWI __builtin_ctzl
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187 # elif HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONGLONG
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188 # define CLZ_HWI __builtin_clzll
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189 # define CTZ_HWI __builtin_ctzll
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190 # else
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191 # define CLZ_HWI __builtin_clz
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192 # define CTZ_HWI __builtin_ctz
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193 # endif
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194
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195 static inline int
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196 floor_log2 (unsigned HOST_WIDE_INT x)
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197 {
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198 return x ? HOST_BITS_PER_WIDE_INT - 1 - (int) CLZ_HWI (x) : -1;
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199 }
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200
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201 static inline int
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202 exact_log2 (unsigned HOST_WIDE_INT x)
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203 {
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204 return x == (x & -x) && x ? (int) CTZ_HWI (x) : -1;
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205 }
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206
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207 #endif /* GCC_VERSION >= 3004 */
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208
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209 /* Functions used to get and set GCC's notion of in what directory
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210 compilation was started. */
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211
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212 extern const char *get_src_pwd (void);
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213 extern bool set_src_pwd (const char *);
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214
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215 /* Functions used to manipulate the random seed. */
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216
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217 extern const char *get_random_seed (bool);
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218 extern const char *set_random_seed (const char *);
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219
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220 #endif /* ! GCC_TOPLEV_H */