Mercurial > hg > CbC > CbC_gcc
annotate gcc/common.opt @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
| author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 22 Mar 2011 17:18:12 +0900 |
| parents | b7f97abdc517 |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 ; Options for the language- and target-independent parts of the compiler. |
| 2 | |
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3 ; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| 0 | 4 ; Free Software Foundation, Inc. |
| 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 ; See the GCC internals manual (options.texi) for a description of this file's format. | |
| 23 | |
| 24 ; Please try to keep this file in ASCII collating order. | |
| 25 | |
|
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26 Variable |
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27 int target_flags |
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28 |
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29 Variable |
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30 int optimize |
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31 |
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32 Variable |
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33 int optimize_size |
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34 |
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35 ; Not used directly to control optimizations, only to save -Ofast |
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36 ; setting for "optimize" attributes. |
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37 Variable |
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38 int optimize_fast |
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39 |
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40 ; 0 means straightforward implementation of complex divide acceptable. |
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41 ; 1 means wide ranges of inputs must work for complex divide. |
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42 ; 2 means C99-like requirements for complex multiply and divide. |
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43 Variable |
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44 int flag_complex_method = 1 |
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45 |
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46 ; Nonzero if subexpressions must be evaluated from left-to-right. |
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47 Variable |
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48 int flag_evaluation_order = 0 |
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49 |
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50 ; Language specific warning pass for unused results. |
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51 Variable |
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52 bool flag_warn_unused_result = false |
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53 |
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54 Variable |
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55 int *param_values |
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56 |
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57 ; Nonzero if we should write GIMPLE bytecode for link-time optimization. |
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58 Variable |
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59 int flag_generate_lto |
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60 |
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61 ; True to warn about any objects definitions whose size is larger |
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62 ; than N bytes. Also want about function definitions whose returned |
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63 ; values are larger than N bytes, where N is 'larger_than_size'. |
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64 Variable |
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65 bool warn_larger_than |
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66 |
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67 Variable |
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68 HOST_WIDE_INT larger_than_size |
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69 |
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70 ; True to warn about any function whose frame size is larger |
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71 ; than N bytes. |
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72 Variable |
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73 bool warn_frame_larger_than |
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74 |
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75 Variable |
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76 HOST_WIDE_INT frame_larger_than_size |
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77 |
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78 ; Nonzero means we should be saving declaration info into a .X file. |
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79 Variable |
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80 int flag_gen_aux_info = 0 |
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81 |
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82 ; Nonzero if we are compiling code for a shared library, zero for |
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83 ; executable. |
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84 Variable |
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85 int flag_shlib |
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86 |
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87 ; These two are really VEC(char_p,heap) *. |
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88 |
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89 Variable |
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90 void *flag_instrument_functions_exclude_functions |
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91 |
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92 Variable |
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93 void *flag_instrument_functions_exclude_files |
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94 |
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95 ; Generic structs (e.g. templates not explicitly specialized) |
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96 ; may not have a compilation unit associated with them, and so |
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97 ; may need to be treated differently from ordinary structs. |
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98 ; |
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99 ; Structs only handled by reference (indirectly), will also usually |
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100 ; not need as much debugging information. |
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101 |
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102 Variable |
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103 enum debug_struct_file debug_struct_ordinary[DINFO_USAGE_NUM_ENUMS] = { DINFO_STRUCT_FILE_ANY, DINFO_STRUCT_FILE_ANY, DINFO_STRUCT_FILE_ANY } |
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104 |
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105 Variable |
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106 enum debug_struct_file debug_struct_generic[DINFO_USAGE_NUM_ENUMS] = { DINFO_STRUCT_FILE_ANY, DINFO_STRUCT_FILE_ANY, DINFO_STRUCT_FILE_ANY } |
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107 |
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108 ; True if we should exit after parsing options. |
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109 Variable |
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110 bool exit_after_options |
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111 |
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112 ; Type(s) of debugging information we are producing (if any). See |
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113 ; flag-types.h for the definitions of the different possible types of |
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114 ; debugging information. |
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115 Variable |
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116 enum debug_info_type write_symbols = NO_DEBUG |
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117 |
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118 ; Level of debugging information we are producing. See flag-types.h |
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119 ; for the definitions of the different possible levels. |
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120 Variable |
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121 enum debug_info_levels debug_info_level = DINFO_LEVEL_NONE |
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122 |
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123 ; Nonzero means use GNU-only extensions in the generated symbolic |
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124 ; debugging information. Currently, this only has an effect when |
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125 ; write_symbols is set to DBX_DEBUG, XCOFF_DEBUG, or DWARF_DEBUG. |
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126 Variable |
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127 bool use_gnu_debug_info_extensions |
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128 |
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129 ; Original value of maximum field alignment in bytes, specified via |
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130 ; -fpack-struct=<value>. |
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131 Variable |
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132 unsigned int initial_max_fld_align = TARGET_DEFAULT_PACK_STRUCT |
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133 |
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134 Variable |
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135 enum vect_verbosity_levels user_vect_verbosity_level = MAX_VERBOSITY_LEVEL |
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136 |
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137 ; Type of stack check. |
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138 Variable |
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139 enum stack_check_type flag_stack_check = NO_STACK_CHECK |
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140 |
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141 ; -dA causes debug commentary information to be produced in |
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142 ; the generated assembly code (to make it more readable). This option |
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143 ; is generally only of use to those who actually need to read the |
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144 ; generated assembly code (perhaps while debugging the compiler itself). |
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145 ; Currently, this switch is only used by dwarf2out.c; however, it is intended |
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146 ; to be a catchall for printing debug information in the assembler file. |
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147 Variable |
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148 int flag_debug_asm |
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149 |
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150 ; -dP causes the rtl to be emitted as a comment in assembly. |
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151 Variable |
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152 int flag_dump_rtl_in_asm |
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153 |
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154 ; Whether -da was passed (used only in handle_common_deferred_options). |
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155 Variable |
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156 bool flag_dump_all_passed |
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157 |
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158 ; Other flags saying which kinds of debugging dump have been requested. |
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159 |
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160 Variable |
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161 int rtl_dump_and_exit |
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162 |
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163 Variable |
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164 int flag_print_asm_name |
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165 |
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166 Variable |
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167 enum graph_dump_types graph_dump_format = no_graph |
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168 |
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169 ; Name of top-level original source file (what was input to cpp). |
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170 ; This comes from the #-command at the beginning of the actual input. |
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171 ; If there isn't any there, then this is the cc1 input file name. |
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172 Variable |
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173 const char *main_input_filename |
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174 |
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175 ; Pointer to base name in main_input_filename, with directories and a |
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176 ; single final extension removed, and the length of this base |
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177 ; name. |
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178 |
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179 Variable |
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180 const char *main_input_basename |
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181 |
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182 Variable |
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183 int main_input_baselength |
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184 |
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185 ; Which options have been printed by --help. |
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186 Variable |
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187 char *help_printed |
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188 |
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189 ; Which enums have been printed by --help. 0 = not printed, no |
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190 ; relevant options seen, 1 = relevant option seen, not yet printed, 2 |
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191 ; = printed. |
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192 Variable |
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193 char *help_enum_printed |
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194 |
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195 ; The number of columns for --help output. |
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196 Variable |
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197 unsigned int help_columns |
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198 |
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199 ; Whether this options structure has been through finish_options |
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200 Variable |
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201 bool flag_opts_finished |
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202 |
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203 ### |
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204 Driver |
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205 |
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206 -assemble |
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207 Driver Alias(S) |
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208 |
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209 -compile |
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210 Driver Alias(c) |
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211 |
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212 -coverage |
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213 Driver Alias(coverage) |
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214 |
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215 -debug |
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216 Common Alias(g) |
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217 |
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218 -dump |
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219 Common Separate Alias(d) |
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220 |
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221 -dump= |
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222 Common Joined Alias(d) |
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223 |
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224 -dumpbase |
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225 Common Separate Alias(dumpbase) |
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226 |
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227 -dumpdir |
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228 Common Separate Alias(dumpdir) |
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229 |
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230 -entry |
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231 Driver Separate Alias(e) |
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232 |
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233 -entry= |
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234 Driver Joined Alias(e) |
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235 |
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236 -extra-warnings |
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237 Common Warning Alias(Wextra) |
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238 |
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239 -for-assembler |
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240 Driver Separate Alias(Xassembler) |
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241 |
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242 -for-assembler= |
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243 Driver JoinedOrMissing Alias(Xassembler) |
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244 |
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245 -for-linker |
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246 Driver Separate Alias(Xlinker) |
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247 |
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248 -for-linker= |
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249 Driver JoinedOrMissing Alias(Xlinker) |
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250 |
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251 -force-link |
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252 Driver Separate Alias(u) |
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253 |
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254 -force-link= |
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255 Driver Joined Alias(u) |
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256 |
| 0 | 257 -help |
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258 Common Driver Var(help_flag) |
| 0 | 259 Display this information |
| 260 | |
| 261 -help= | |
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262 Common Driver Report Joined |
| 0 | 263 --help=<class> Display descriptions of a specific class of options. <class> is one or more of optimizers, target, warnings, undocumented, params |
| 264 | |
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265 -language |
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266 Driver Separate Alias(x) |
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267 |
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268 -language= |
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269 Driver Joined Alias(x) |
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270 |
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271 -library-directory |
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272 Driver Separate Alias(L) |
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273 |
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274 -library-directory= |
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275 Driver Joined Alias(L) |
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276 |
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277 -no-canonical-prefixes |
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278 Driver Alias(no-canonical-prefixes) |
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279 |
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280 -no-standard-libraries |
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281 Driver Alias(nostdlib) |
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282 |
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283 -no-warnings |
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284 Common Alias(w) |
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285 |
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286 -optimize |
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287 Common Alias(O) |
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288 |
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289 -output |
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290 Common Driver Separate Alias(o) MissingArgError(missing filename after %qs) |
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291 |
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292 -output= |
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293 Common Driver Joined Alias(o) MissingArgError(missing filename after %qs) |
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294 |
|
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295 -pass-exit-codes |
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296 Driver Alias(pass-exit-codes) |
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297 |
|
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298 -pedantic |
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299 Common Alias(pedantic) |
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300 |
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301 -pedantic-errors |
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302 Common Alias(pedantic-errors) |
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303 |
|
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304 -pie |
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305 Common Alias(pie) |
|
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306 |
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307 -pipe |
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308 Driver Alias(pipe) |
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309 |
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310 -prefix |
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311 Driver Separate Alias(B) |
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312 |
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313 -prefix= |
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314 Driver JoinedOrMissing Alias(B) |
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315 |
|
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316 -preprocess |
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317 Driver Alias(E) |
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318 |
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319 -print-file-name |
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320 Driver Separate Alias(print-file-name=) |
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321 |
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322 -print-file-name= |
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323 Driver JoinedOrMissing Alias(print-file-name=) |
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324 |
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325 -print-libgcc-file-name |
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326 Driver Alias(print-libgcc-file-name) |
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327 |
|
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328 -print-multi-directory |
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329 Driver Alias(print-multi-directory) |
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330 |
|
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331 -print-multi-lib |
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332 Driver Alias(print-multi-lib) |
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333 |
|
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334 -print-multi-os-directory |
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335 Driver Alias(print-multi-os-directory) |
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336 |
|
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337 -print-prog-name |
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338 Driver Separate Alias(print-prog-name=) |
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339 |
|
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340 -print-prog-name= |
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341 Driver JoinedOrMissing Alias(print-prog-name=) |
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342 |
|
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343 -print-search-dirs |
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344 Driver Alias(print-search-dirs) |
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345 |
|
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346 -print-sysroot |
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347 Driver Alias(print-sysroot) |
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348 |
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349 -print-sysroot-headers-suffix |
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350 Driver Alias(print-sysroot-headers-suffix) |
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351 |
|
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352 -profile |
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353 Common Alias(p) |
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354 |
|
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355 -save-temps |
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356 Driver Alias(save-temps) |
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357 |
|
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358 -shared |
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359 Common Alias(shared) |
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360 |
|
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361 -specs |
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362 Driver Separate Alias(specs=) |
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363 |
|
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364 -specs= |
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365 Driver Joined Alias(specs=) |
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366 |
|
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367 -static |
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368 Driver Alias(static) |
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369 |
|
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370 -symbolic |
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371 Driver Alias(symbolic) |
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372 |
| 0 | 373 -target-help |
|
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374 Common Driver |
| 0 | 375 Alias for --help=target |
| 376 | |
|
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377 -time |
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378 Driver Alias(time) |
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379 |
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380 -verbose |
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381 Driver Alias(v) |
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382 |
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383 ;; The driver used to convert options such as --help into forms such |
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384 ;; as -fhelp; the following four entries are for compatibility with |
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385 ;; any direct uses of those (undocumented) -f forms |
| 0 | 386 fhelp |
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387 Common Driver Alias(-help) |
| 0 | 388 |
| 389 fhelp= | |
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390 Common Driver Joined Alias(-help=) |
| 0 | 391 |
| 392 ftarget-help | |
|
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393 Common Driver Alias(-target-help) |
| 0 | 394 |
|
55
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395 fversion |
|
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396 Common Driver Alias(-version) |
|
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397 |
| 0 | 398 -param |
| 399 Common Separate | |
| 400 --param <param>=<value> Set parameter <param> to value. See below for a complete list of parameters | |
| 401 | |
|
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402 -param= |
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403 Common Joined Alias(-param) |
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404 |
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405 -sysroot |
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406 Driver Separate Alias(-sysroot=) |
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407 |
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408 -sysroot= |
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409 Driver JoinedOrMissing |
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410 |
| 0 | 411 -version |
|
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412 Common Driver |
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413 |
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414 B |
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415 Driver Joined Separate |
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416 |
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417 E |
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418 Driver |
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419 |
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420 L |
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421 Driver Joined Separate |
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422 |
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423 N |
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424 Driver |
| 0 | 425 |
| 426 O | |
| 427 Common JoinedOrMissing Optimization | |
| 428 -O<number> Set optimization level to <number> | |
| 429 | |
| 430 Os | |
| 431 Common Optimization | |
| 432 Optimize for space rather than speed | |
| 433 | |
|
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434 Ofast |
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435 Common Optimization |
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436 Optimize for speed disregarding exact standards compliance |
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437 |
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438 Q |
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439 Driver |
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440 |
|
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441 Qn |
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442 Driver Negative(Qy) |
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443 |
|
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444 Qy |
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445 Driver Negative(Qn) |
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446 |
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447 R |
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448 Driver Joined Separate |
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449 |
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450 S |
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451 Driver |
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452 |
|
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453 T |
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454 Driver Joined Separate |
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455 |
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456 Tbss |
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457 Driver Separate |
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458 |
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459 Tdata |
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460 Driver Separate |
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461 |
|
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462 Ttext |
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463 Driver Separate |
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464 |
| 0 | 465 W |
|
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466 Common RejectNegative Warning Alias(Wextra) |
| 0 | 467 This switch is deprecated; use -Wextra instead |
| 468 | |
|
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469 Wa, |
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470 Driver JoinedOrMissing |
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471 |
|
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472 Wl, |
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473 Driver JoinedOrMissing |
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474 |
|
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475 Wp, |
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476 Driver JoinedOrMissing |
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477 |
| 0 | 478 Waggregate-return |
| 479 Common Var(warn_aggregate_return) Warning | |
| 480 Warn about returning structures, unions or arrays | |
| 481 | |
| 482 Warray-bounds | |
| 483 Common Var(warn_array_bounds) Warning | |
| 484 Warn if an array is accessed out of bounds | |
| 485 | |
| 486 Wattributes | |
| 487 Common Var(warn_attributes) Init(1) Warning | |
| 488 Warn about inappropriate attribute usage | |
| 489 | |
| 490 Wcast-align | |
| 491 Common Var(warn_cast_align) Warning | |
| 492 Warn about pointer casts which increase alignment | |
| 493 | |
|
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494 Wcpp |
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495 Common Var(warn_cpp) Init(1) Warning |
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496 Warn when a #warning directive is encountered |
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497 |
| 0 | 498 Wdeprecated-declarations |
| 499 Common Var(warn_deprecated_decl) Init(1) Warning | |
| 500 Warn about uses of __attribute__((deprecated)) declarations | |
| 501 | |
| 502 Wdisabled-optimization | |
| 503 Common Var(warn_disabled_optimization) Warning | |
| 504 Warn when an optimization pass is disabled | |
| 505 | |
| 506 Werror | |
| 507 Common Var(warnings_are_errors) | |
| 508 Treat all warnings as errors | |
| 509 | |
| 510 Werror= | |
| 511 Common Joined | |
| 512 Treat specified warning as error | |
| 513 | |
| 514 Wextra | |
|
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515 Common Var(extra_warnings) Warning |
| 0 | 516 Print extra (possibly unwanted) warnings |
| 517 | |
| 518 Wfatal-errors | |
| 519 Common Var(flag_fatal_errors) | |
| 520 Exit on the first error occurred | |
| 521 | |
| 522 Wframe-larger-than= | |
| 523 Common RejectNegative Joined UInteger | |
|
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524 -Wframe-larger-than=<number> Warn if a function's stack frame requires more than <number> bytes |
| 0 | 525 |
| 526 Winline | |
| 527 Common Var(warn_inline) Warning | |
| 528 Warn when an inlined function cannot be inlined | |
| 529 | |
| 530 Wlarger-than- | |
|
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531 Common RejectNegative Joined Warning Undocumented Alias(Wlarger-than=) |
| 0 | 532 |
| 533 Wlarger-than= | |
| 534 Common RejectNegative Joined UInteger Warning | |
| 535 -Wlarger-than=<number> Warn if an object is larger than <number> bytes | |
| 536 | |
| 537 Wunsafe-loop-optimizations | |
| 538 Common Var(warn_unsafe_loop_optimizations) Warning | |
| 539 Warn if the loop cannot be optimized due to nontrivial assumptions. | |
| 540 | |
| 541 Wmissing-noreturn | |
| 542 Common Var(warn_missing_noreturn) Warning | |
| 543 Warn about functions which might be candidates for __attribute__((noreturn)) | |
| 544 | |
| 545 Wmudflap | |
| 546 Common Var(warn_mudflap) Init(1) Warning | |
| 547 Warn about constructs not instrumented by -fmudflap | |
| 548 | |
| 549 Woverflow | |
| 550 Common Var(warn_overflow) Init(1) Warning | |
| 551 Warn about overflow in arithmetic expressions | |
| 552 | |
| 553 Wpacked | |
| 554 Common Var(warn_packed) Warning | |
| 555 Warn when the packed attribute has no effect on struct layout | |
| 556 | |
| 557 Wpadded | |
| 558 Common Var(warn_padded) Warning | |
| 559 Warn when padding is required to align structure members | |
| 560 | |
| 561 Wshadow | |
| 562 Common Var(warn_shadow) Warning | |
| 563 Warn when one local variable shadows another | |
| 564 | |
| 565 Wstack-protector | |
| 566 Common Var(warn_stack_protect) Warning | |
| 567 Warn when not issuing stack smashing protection for some reason | |
| 568 | |
| 569 Wstrict-aliasing | |
| 570 Common Warning | |
| 571 Warn about code which might break strict aliasing rules | |
| 572 | |
| 573 Wstrict-aliasing= | |
|
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574 Common Joined RejectNegative UInteger Var(warn_strict_aliasing) Init(-1) Warning |
| 0 | 575 Warn about code which might break strict aliasing rules |
| 576 | |
| 577 Wstrict-overflow | |
| 578 Common Warning | |
| 579 Warn about optimizations that assume that signed overflow is undefined | |
| 580 | |
| 581 Wstrict-overflow= | |
|
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582 Common Joined RejectNegative UInteger Var(warn_strict_overflow) Init(-1) Warning |
| 0 | 583 Warn about optimizations that assume that signed overflow is undefined |
| 584 | |
|
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585 Wsuggest-attribute=const |
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586 Common Var(warn_suggest_attribute_const) Warning |
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587 Warn about functions which might be candidates for __attribute__((const)) |
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588 |
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589 Wsuggest-attribute=pure |
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590 Common Var(warn_suggest_attribute_pure) Warning |
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591 Warn about functions which might be candidates for __attribute__((pure)) |
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|
592 |
|
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593 Wsuggest-attribute=noreturn |
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594 Common Var(warn_suggest_attribute_noreturn) Warning |
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595 Warn about functions which might be candidates for __attribute__((noreturn)) |
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596 |
| 0 | 597 Wswitch |
| 598 Common Var(warn_switch) Warning | |
| 599 Warn about enumerated switches, with no default, missing a case | |
| 600 | |
| 601 Wswitch-default | |
| 602 Common Var(warn_switch_default) Warning | |
| 603 Warn about enumerated switches missing a \"default:\" statement | |
| 604 | |
| 605 Wswitch-enum | |
| 606 Common Var(warn_switch_enum) Warning | |
| 607 Warn about all enumerated switches missing a specific case | |
| 608 | |
| 609 Wsystem-headers | |
| 610 Common Var(warn_system_headers) Warning | |
| 611 Do not suppress warnings from system headers | |
| 612 | |
|
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613 Wtrampolines |
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614 Common Var(warn_trampolines) Warning |
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615 Warn whenever a trampoline is generated |
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616 |
| 0 | 617 Wtype-limits |
| 618 Common Var(warn_type_limits) Init(-1) Warning | |
| 619 Warn if a comparison is always true or always false due to the limited range of the data type | |
| 620 | |
| 621 Wuninitialized | |
|
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|
622 Common Var(warn_uninitialized) Init(-1) Warning |
| 0 | 623 Warn about uninitialized automatic variables |
| 624 | |
| 625 Wunreachable-code | |
|
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626 Common Ignore |
|
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627 Does nothing. Preserved for backward compatibility. |
| 0 | 628 |
| 629 Wunused | |
| 630 Common Var(warn_unused) Init(0) Warning | |
| 631 Enable all -Wunused- warnings | |
| 632 | |
|
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633 Wunused-but-set-parameter |
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634 Common Var(warn_unused_but_set_parameter) Init(-1) Warning |
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635 Warn when a function parameter is only set, otherwise unused |
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636 |
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637 Wunused-but-set-variable |
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638 Common Var(warn_unused_but_set_variable) Init(-1) Warning |
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639 Warn when a variable is only set, otherwise unused |
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640 |
| 0 | 641 Wunused-function |
| 642 Common Var(warn_unused_function) Init(-1) Warning | |
| 643 Warn when a function is unused | |
| 644 | |
| 645 Wunused-label | |
| 646 Common Var(warn_unused_label) Init(-1) Warning | |
| 647 Warn when a label is unused | |
| 648 | |
| 649 Wunused-parameter | |
| 650 Common Var(warn_unused_parameter) Init(-1) Warning | |
| 651 Warn when a function parameter is unused | |
| 652 | |
| 653 Wunused-value | |
| 654 Common Var(warn_unused_value) Init(-1) Warning | |
| 655 Warn when an expression value is unused | |
| 656 | |
| 657 Wunused-variable | |
| 658 Common Var(warn_unused_variable) Init(-1) Warning | |
| 659 Warn when a variable is unused | |
| 660 | |
| 661 Wcoverage-mismatch | |
|
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662 Common Var(warn_coverage_mismatch) Init(1) Warning |
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663 Warn in case profiles in -fprofile-use do not match |
| 0 | 664 |
|
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665 Xassembler |
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666 Driver Separate |
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667 |
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668 Xlinker |
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669 Driver Separate |
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670 |
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671 Xpreprocessor |
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672 Driver Separate |
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673 |
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674 Z |
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675 Driver |
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676 |
| 0 | 677 aux-info |
|
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678 Common Separate Var(aux_info_file_name) |
| 0 | 679 -aux-info <file> Emit declaration information into <file> |
| 680 | |
| 681 aux-info= | |
|
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682 Common Joined Alias(aux-info) |
| 0 | 683 |
| 684 auxbase | |
|
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685 Common Separate RejectDriver Var(aux_base_name) |
| 0 | 686 |
| 687 auxbase-strip | |
|
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688 Common Separate RejectDriver |
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|
689 |
|
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|
690 coverage |
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691 Driver |
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|
692 |
|
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|
693 c |
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|
694 Driver |
| 0 | 695 |
| 696 d | |
| 697 Common Joined | |
| 698 -d<letters> Enable dumps from specific passes of the compiler | |
| 699 | |
| 700 dumpbase | |
|
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|
701 Common Separate Var(dump_base_name) |
| 0 | 702 -dumpbase <file> Set the file basename to be used for dumps |
| 703 | |
|
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|
704 dumpdir |
|
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|
705 Common Separate Var(dump_dir_name) |
|
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|
706 -dumpdir <dir> Set the directory name to be used for dumps |
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|
707 |
|
67
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|
708 dumpmachine |
|
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|
709 Driver |
|
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|
710 |
|
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|
711 dumpspecs |
|
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712 Driver |
|
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|
713 |
|
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|
714 dumpversion |
|
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715 Driver |
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|
716 |
|
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|
717 e |
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718 Driver Joined Separate |
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|
719 |
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720 ; This option has historically been passed down to the linker by an |
|
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721 ; accident of a %{e*} spec, so ensure it continues to be passed down |
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722 ; as a single option. The supported option for this purpose is |
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723 ; -rdynamic. See PR 47390. |
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724 export-dynamic |
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|
725 Driver Undocumented |
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726 |
| 0 | 727 ; The version of the C++ ABI in use. The following values are allowed: |
| 728 ; | |
| 729 ; 0: The version of the ABI believed most conformant with the C++ ABI | |
| 730 ; specification. This ABI may change as bugs are discovered and fixed. | |
| 731 ; Therefore, 0 will not necessarily indicate the same ABI in different | |
| 732 ; versions of G++. | |
| 733 ; | |
| 734 ; 1: The version of the ABI first used in G++ 3.2. | |
| 735 ; | |
|
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736 ; 2: The version of the ABI first used in G++ 3.4 (and current default). |
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737 ; |
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738 ; 3: The version of the ABI that fixes the missing underscore |
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739 ; in template non-type arguments of pointer type. |
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740 ; |
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741 ; 4: The version of the ABI that introduces unambiguous mangling of |
|
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742 ; vector types. First selectable in G++ 4.5. |
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743 ; |
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744 ; 5: The version of the ABI that ignores attribute const/noreturn |
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745 ; in function pointer mangling, and corrects mangling of decltype and |
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746 ; function parameters used in other parameters and the return type. |
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747 ; First selectable in G++ 4.6. |
| 0 | 748 ; |
| 749 ; Additional positive integers will be assigned as new versions of | |
| 750 ; the ABI become the default version of the ABI. | |
| 751 fabi-version= | |
|
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|
752 Common Joined RejectNegative UInteger Var(flag_abi_version) Init(2) |
| 0 | 753 |
| 754 falign-functions | |
| 755 Common Report Var(align_functions,0) Optimization UInteger | |
| 756 Align the start of functions | |
| 757 | |
| 758 falign-functions= | |
|
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|
759 Common RejectNegative Joined UInteger Var(align_functions) |
| 0 | 760 |
| 761 falign-jumps | |
| 762 Common Report Var(align_jumps,0) Optimization UInteger | |
| 763 Align labels which are only reached by jumping | |
| 764 | |
| 765 falign-jumps= | |
|
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|
766 Common RejectNegative Joined UInteger Var(align_jumps) |
| 0 | 767 |
| 768 falign-labels | |
| 769 Common Report Var(align_labels,0) Optimization UInteger | |
| 770 Align all labels | |
| 771 | |
| 772 falign-labels= | |
|
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|
773 Common RejectNegative Joined UInteger Var(align_labels) |
| 0 | 774 |
| 775 falign-loops | |
|
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|
776 Common Report Var(align_loops,0) Optimization UInteger |
| 0 | 777 Align the start of loops |
| 778 | |
| 779 falign-loops= | |
|
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|
780 Common RejectNegative Joined UInteger Var(align_loops) |
| 0 | 781 |
| 782 fargument-alias | |
|
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|
783 Common Ignore |
|
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|
784 Does nothing. Preserved for backward compatibility. |
| 0 | 785 |
| 786 fargument-noalias | |
|
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|
787 Common Ignore |
|
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|
788 Does nothing. Preserved for backward compatibility. |
| 0 | 789 |
| 790 fargument-noalias-global | |
|
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791 Common Ignore |
|
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|
792 Does nothing. Preserved for backward compatibility. |
| 0 | 793 |
| 794 fargument-noalias-anything | |
|
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|
795 Common Ignore |
|
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|
796 Does nothing. Preserved for backward compatibility. |
| 0 | 797 |
| 798 fasynchronous-unwind-tables | |
| 799 Common Report Var(flag_asynchronous_unwind_tables) Optimization | |
| 800 Generate unwind tables that are exact at each instruction boundary | |
| 801 | |
| 802 fauto-inc-dec | |
| 803 Common Report Var(flag_auto_inc_dec) Init(1) | |
| 804 Generate auto-inc/dec instructions | |
| 805 | |
| 806 ; -fcheck-bounds causes gcc to generate array bounds checks. | |
| 807 ; For C, C++ and ObjC: defaults off. | |
| 808 ; For Java: defaults to on. | |
| 809 ; For Fortran: defaults to off. | |
| 810 fbounds-check | |
| 811 Common Report Var(flag_bounds_check) | |
| 812 Generate code to check bounds before indexing arrays | |
| 813 | |
| 814 fbranch-count-reg | |
| 815 Common Report Var(flag_branch_on_count_reg) Init(1) Optimization | |
| 816 Replace add, compare, branch with branch on count register | |
| 817 | |
| 818 fbranch-probabilities | |
| 819 Common Report Var(flag_branch_probabilities) Optimization | |
| 820 Use profiling information for branch probabilities | |
| 821 | |
| 822 fbranch-target-load-optimize | |
| 823 Common Report Var(flag_branch_target_load_optimize) Optimization | |
| 824 Perform branch target load optimization before prologue / epilogue threading | |
| 825 | |
| 826 fbranch-target-load-optimize2 | |
| 827 Common Report Var(flag_branch_target_load_optimize2) Optimization | |
| 828 Perform branch target load optimization after prologue / epilogue threading | |
| 829 | |
| 830 fbtr-bb-exclusive | |
| 831 Common Report Var(flag_btr_bb_exclusive) Optimization | |
| 832 Restrict target load migration not to re-use registers in any basic block | |
| 833 | |
| 834 fcall-saved- | |
|
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|
835 Common Joined RejectNegative Var(common_deferred_options) Defer |
| 0 | 836 -fcall-saved-<register> Mark <register> as being preserved across functions |
| 837 | |
| 838 fcall-used- | |
|
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|
839 Common Joined RejectNegative Var(common_deferred_options) Defer |
| 0 | 840 -fcall-used-<register> Mark <register> as being corrupted by function calls |
| 841 | |
| 842 ; Nonzero for -fcaller-saves: allocate values in regs that need to | |
| 843 ; be saved across function calls, if that produces overall better code. | |
| 844 ; Optional now, so people can test it. | |
| 845 fcaller-saves | |
| 846 Common Report Var(flag_caller_saves) Optimization | |
| 847 Save registers around function calls | |
| 848 | |
| 849 fcheck-data-deps | |
| 850 Common Report Var(flag_check_data_deps) | |
| 851 Compare the results of several data dependence analyzers. | |
| 852 | |
|
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|
853 fcombine-stack-adjustments |
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|
854 Common Report Var(flag_combine_stack_adjustments) Optimization |
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|
855 Looks for opportunities to reduce stack adjustments and stack references. |
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|
856 |
| 0 | 857 fcommon |
| 858 Common Report Var(flag_no_common,0) Optimization | |
| 859 Do not put uninitialized globals in the common section | |
| 860 | |
|
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|
861 fcompare-debug |
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|
862 Driver |
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863 ; Converted by the driver to -fcompare-debug= options. |
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|
864 |
|
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|
865 fcompare-debug= |
|
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|
866 Common Driver JoinedOrMissing RejectNegative Var(flag_compare_debug_opt) |
|
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867 -fcompare-debug[=<opts>] Compile with and without e.g. -gtoggle, and compare the final-insns dump |
|
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|
868 |
|
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|
869 fcompare-debug-second |
|
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|
870 Common Driver RejectNegative Var(flag_compare_debug) |
|
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|
871 Run only the second compilation of -fcompare-debug |
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|
872 |
|
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|
873 fcompare-elim |
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874 Common Report Var(flag_compare_elim_after_reload) Optimization |
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|
875 Perform comparison elimination after register allocation has finished |
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|
876 |
| 0 | 877 fconserve-stack |
| 878 Common Var(flag_conserve_stack) Optimization | |
| 879 Do not perform optimizations increasing noticeably stack usage | |
| 880 | |
| 881 fcprop-registers | |
| 882 Common Report Var(flag_cprop_registers) Optimization | |
| 883 Perform a register copy-propagation optimization pass | |
| 884 | |
| 885 fcrossjumping | |
| 886 Common Report Var(flag_crossjumping) Optimization | |
| 887 Perform cross-jumping optimization | |
| 888 | |
| 889 fcse-follow-jumps | |
| 890 Common Report Var(flag_cse_follow_jumps) Optimization | |
| 891 When running CSE, follow jumps to their targets | |
| 892 | |
| 893 fcse-skip-blocks | |
|
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|
894 Common Ignore |
|
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|
895 Does nothing. Preserved for backward compatibility. |
| 0 | 896 |
| 897 fcx-limited-range | |
|
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|
898 Common Report Var(flag_cx_limited_range) Optimization SetByCombined |
| 0 | 899 Omit range reduction step when performing complex division |
| 900 | |
| 901 fcx-fortran-rules | |
| 902 Common Report Var(flag_cx_fortran_rules) Optimization | |
| 903 Complex multiplication and division follow Fortran rules | |
| 904 | |
| 905 fdata-sections | |
| 906 Common Report Var(flag_data_sections) Optimization | |
| 907 Place data items into their own section | |
| 908 | |
| 909 fdbg-cnt-list | |
|
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|
910 Common Report Var(common_deferred_options) Defer |
| 0 | 911 List all available debugging counters with their limits and counts. |
| 912 | |
| 913 fdbg-cnt= | |
|
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|
914 Common RejectNegative Joined Var(common_deferred_options) Defer |
|
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|
915 -fdbg-cnt=<counter>:<limit>[,<counter>:<limit>,...] Set the debug counter limit. |
| 0 | 916 |
| 917 fdebug-prefix-map= | |
|
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|
918 Common Joined RejectNegative Var(common_deferred_options) Defer |
| 0 | 919 Map one directory name to another in debug information |
| 920 | |
| 921 ; Nonzero for -fdefer-pop: don't pop args after each function call | |
| 922 ; instead save them up to pop many calls' args with one insns. | |
| 923 fdefer-pop | |
| 924 Common Report Var(flag_defer_pop) Optimization | |
| 925 Defer popping functions args from stack until later | |
| 926 | |
| 927 fdelayed-branch | |
| 928 Common Report Var(flag_delayed_branch) Optimization | |
| 929 Attempt to fill delay slots of branch instructions | |
| 930 | |
| 931 fdelete-null-pointer-checks | |
|
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|
932 Common Report Var(flag_delete_null_pointer_checks) Init(1) Optimization |
| 0 | 933 Delete useless null pointer checks |
| 934 | |
|
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|
935 fdevirtualize |
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|
936 Common Report Var(flag_devirtualize) Optimization |
|
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|
937 Try to convert virtual calls to direct ones. |
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|
938 |
| 0 | 939 fdiagnostics-show-location= |
|
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|
940 Common Joined RejectNegative Enum(diagnostic_prefixing_rule) |
| 0 | 941 -fdiagnostics-show-location=[once|every-line] How often to emit source location at the beginning of line-wrapped diagnostics |
| 942 | |
|
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|
943 ; Required for these enum values. |
|
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|
944 SourceInclude |
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|
945 pretty-print.h |
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|
946 |
|
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|
947 Enum |
|
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|
948 Name(diagnostic_prefixing_rule) Type(int) |
|
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|
949 |
|
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|
950 EnumValue |
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|
951 Enum(diagnostic_prefixing_rule) String(once) Value(DIAGNOSTICS_SHOW_PREFIX_ONCE) |
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|
952 |
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953 EnumValue |
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954 Enum(diagnostic_prefixing_rule) String(every-line) Value(DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE) |
|
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|
955 |
| 0 | 956 fdiagnostics-show-option |
|
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|
957 Common Var(flag_diagnostics_show_option) Init(1) |
| 0 | 958 Amend appropriate diagnostic messages with the command line option that controls them |
| 959 | |
| 960 fdump- | |
|
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|
961 Common Joined RejectNegative Var(common_deferred_options) Defer |
| 0 | 962 -fdump-<type> Dump various compiler internals to a file |
| 963 | |
|
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|
964 fdump-final-insns |
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|
965 Driver RejectNegative |
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|
966 |
|
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|
967 fdump-final-insns= |
|
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|
968 Common RejectNegative Joined Var(flag_dump_final_insns) |
|
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|
969 -fdump-final-insns=filename Dump to filename the insns at the end of translation |
|
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|
970 |
|
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|
971 fdump-go-spec= |
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|
972 Common RejectNegative Joined Var(flag_dump_go_spec) |
|
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|
973 -fdump-go-spec=filename Write all declarations to file as Go code |
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|
974 |
| 0 | 975 fdump-noaddr |
| 976 Common Report Var(flag_dump_noaddr) | |
| 977 Suppress output of addresses in debugging dumps | |
| 978 | |
| 979 fdump-unnumbered | |
|
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|
980 Common Report Var(flag_dump_unnumbered) |
| 0 | 981 Suppress output of instruction numbers, line number notes and addresses in debugging dumps |
| 982 | |
|
55
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|
983 fdump-unnumbered-links |
|
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|
984 Common Report Var(flag_dump_unnumbered_links) |
|
55
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|
985 Suppress output of previous and next insn numbers in debugging dumps |
|
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|
986 |
| 0 | 987 fdwarf2-cfi-asm |
| 988 Common Report Var(flag_dwarf2_cfi_asm) Init(HAVE_GAS_CFI_DIRECTIVE) | |
| 989 Enable CFI tables via GAS assembler directives. | |
| 990 | |
| 991 fearly-inlining | |
| 992 Common Report Var(flag_early_inlining) Init(1) Optimization | |
| 993 Perform early inlining | |
| 994 | |
| 995 feliminate-dwarf2-dups | |
| 996 Common Report Var(flag_eliminate_dwarf2_dups) | |
| 997 Perform DWARF2 duplicate elimination | |
| 998 | |
|
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999 fipa-sra |
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1000 Common Report Var(flag_ipa_sra) Init(0) Optimization |
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1001 Perform interprocedural reduction of aggregates |
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|
1002 |
| 0 | 1003 feliminate-unused-debug-symbols |
| 1004 Common Report Var(flag_debug_only_used_symbols) | |
| 1005 Perform unused type elimination in debug info | |
| 1006 | |
| 1007 feliminate-unused-debug-types | |
| 1008 Common Report Var(flag_eliminate_unused_debug_types) Init(1) | |
| 1009 Perform unused type elimination in debug info | |
| 1010 | |
| 1011 femit-class-debug-always | |
| 1012 Common Report Var(flag_emit_class_debug_always) Init(0) | |
| 1013 Do not suppress C++ class debug information. | |
| 1014 | |
|
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1015 fenable-icf-debug |
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|
1016 Common Report Var(flag_enable_icf_debug) |
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1017 Generate debug information to support Identical Code Folding (ICF) |
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1018 |
| 0 | 1019 fexceptions |
| 1020 Common Report Var(flag_exceptions) Optimization | |
| 1021 Enable exception handling | |
| 1022 | |
| 1023 fexpensive-optimizations | |
| 1024 Common Report Var(flag_expensive_optimizations) Optimization | |
| 1025 Perform a number of minor, expensive optimizations | |
| 1026 | |
|
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1027 fexcess-precision= |
|
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1028 Common Joined RejectNegative Enum(excess_precision) Var(flag_excess_precision_cmdline) Init(EXCESS_PRECISION_DEFAULT) |
|
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1029 -fexcess-precision=[fast|standard] Specify handling of excess floating-point precision |
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1030 |
|
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|
1031 Enum |
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1032 Name(excess_precision) Type(enum excess_precision) UnknownError(unknown excess precision style %qs) |
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1033 |
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1034 EnumValue |
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|
1035 Enum(excess_precision) String(fast) Value(EXCESS_PRECISION_FAST) |
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1036 |
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1037 EnumValue |
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1038 Enum(excess_precision) String(standard) Value(EXCESS_PRECISION_STANDARD) |
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1039 |
| 0 | 1040 ffast-math |
| 1041 Common | |
| 1042 | |
| 1043 ffinite-math-only | |
|
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1044 Common Report Var(flag_finite_math_only) Optimization SetByCombined |
| 0 | 1045 Assume no NaNs or infinities are generated |
| 1046 | |
| 1047 ffixed- | |
|
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1048 Common Joined RejectNegative Var(common_deferred_options) Defer |
| 0 | 1049 -ffixed-<register> Mark <register> as being unavailable to the compiler |
| 1050 | |
| 1051 ffloat-store | |
| 1052 Common Report Var(flag_float_store) Optimization | |
| 1053 Don't allocate floats and doubles in extended-precision registers | |
| 1054 | |
| 1055 fforce-addr | |
|
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1056 Common Ignore |
| 0 | 1057 Does nothing. Preserved for backward compatibility. |
| 1058 | |
| 1059 fforward-propagate | |
| 1060 Common Report Var(flag_forward_propagate) Optimization | |
| 1061 Perform a forward propagation pass on RTL | |
| 1062 | |
|
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|
1063 ffp-contract= |
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1064 Common Joined RejectNegative Enum(fp_contract_mode) Var(flag_fp_contract_mode) Init(FP_CONTRACT_FAST) |
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1065 -ffp-contract=[off|on|fast] Perform floating-point expression contraction. |
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1066 |
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1067 Enum |
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1068 Name(fp_contract_mode) Type(enum fp_contract_mode) UnknownError(unknown floating point contraction style %qs) |
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1069 |
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1070 EnumValue |
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1071 Enum(fp_contract_mode) String(off) Value(FP_CONTRACT_OFF) |
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1072 |
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1073 ; Not implemented, fall back to conservative FP_CONTRACT_OFF. |
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1074 EnumValue |
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1075 Enum(fp_contract_mode) String(on) Value(FP_CONTRACT_OFF) |
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1076 |
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1077 EnumValue |
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1078 Enum(fp_contract_mode) String(fast) Value(FP_CONTRACT_FAST) |
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1079 |
| 0 | 1080 ; Nonzero means don't put addresses of constant functions in registers. |
| 1081 ; Used for compiling the Unix kernel, where strange substitutions are | |
| 1082 ; done on the assembly output. | |
| 1083 ffunction-cse | |
| 1084 Common Report Var(flag_no_function_cse,0) | |
| 1085 Allow function addresses to be held in registers | |
| 1086 | |
| 1087 ffunction-sections | |
| 1088 Common Report Var(flag_function_sections) | |
| 1089 Place each function into its own section | |
| 1090 | |
| 1091 fgcse | |
| 1092 Common Report Var(flag_gcse) Optimization | |
| 1093 Perform global common subexpression elimination | |
| 1094 | |
| 1095 fgcse-lm | |
| 1096 Common Report Var(flag_gcse_lm) Init(1) Optimization | |
| 1097 Perform enhanced load motion during global common subexpression elimination | |
| 1098 | |
| 1099 fgcse-sm | |
| 1100 Common Report Var(flag_gcse_sm) Init(0) Optimization | |
| 1101 Perform store motion after global common subexpression elimination | |
| 1102 | |
| 1103 fgcse-las | |
| 1104 Common Report Var(flag_gcse_las) Init(0) Optimization | |
| 1105 Perform redundant load after store elimination in global common subexpression | |
| 1106 elimination | |
| 1107 | |
| 1108 fgcse-after-reload | |
| 1109 Common Report Var(flag_gcse_after_reload) Optimization | |
| 1110 Perform global common subexpression elimination after register allocation | |
| 1111 has finished | |
| 1112 | |
| 1113 ; This option is not documented yet as its semantics will change. | |
| 1114 fgraphite | |
| 1115 Common Report Var(flag_graphite) | |
| 1116 Enable in and out of Graphite representation | |
| 1117 | |
|
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1118 fgraphite-identity |
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1119 Common Report Var(flag_graphite_identity) Optimization |
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1120 Enable Graphite Identity transformation |
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1121 |
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1122 floop-parallelize-all |
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1123 Common Report Var(flag_loop_parallelize_all) Optimization |
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1124 Mark all loops as parallel |
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1125 |
| 0 | 1126 floop-strip-mine |
| 1127 Common Report Var(flag_loop_strip_mine) Optimization | |
| 1128 Enable Loop Strip Mining transformation | |
| 1129 | |
| 1130 floop-interchange | |
| 1131 Common Report Var(flag_loop_interchange) Optimization | |
| 1132 Enable Loop Interchange transformation | |
| 1133 | |
| 1134 floop-block | |
| 1135 Common Report Var(flag_loop_block) Optimization | |
| 1136 Enable Loop Blocking transformation | |
| 1137 | |
|
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1138 floop-flatten |
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1139 Common Report Var(flag_loop_flatten) Optimization |
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1140 Enable Loop Flattening transformation |
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1141 |
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1142 fstrict-volatile-bitfields |
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1143 Common Report Var(flag_strict_volatile_bitfields) Init(-1) |
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1144 Force bitfield accesses to match their type width |
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1145 |
| 0 | 1146 fguess-branch-probability |
| 1147 Common Report Var(flag_guess_branch_prob) Optimization | |
| 1148 Enable guessing of branch probabilities | |
| 1149 | |
| 1150 ; Nonzero means ignore `#ident' directives. 0 means handle them. | |
| 1151 ; Generate position-independent code for executables if possible | |
| 1152 ; On SVR4 targets, it also controls whether or not to emit a | |
| 1153 ; string identifying the compiler. | |
| 1154 fident | |
| 1155 Common Report Var(flag_no_ident,0) | |
| 1156 Process #ident directives | |
| 1157 | |
| 1158 fif-conversion | |
| 1159 Common Report Var(flag_if_conversion) Optimization | |
| 1160 Perform conversion of conditional jumps to branchless equivalents | |
| 1161 | |
| 1162 fif-conversion2 | |
| 1163 Common Report Var(flag_if_conversion2) Optimization | |
| 1164 Perform conversion of conditional jumps to conditional execution | |
| 1165 | |
|
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1166 ftree-loop-if-convert |
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1167 Common Report Var(flag_tree_loop_if_convert) Init(-1) Optimization |
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1168 Convert conditional jumps in innermost loops to branchless equivalents |
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1169 |
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1170 ftree-loop-if-convert-stores |
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1171 Common Report Var(flag_tree_loop_if_convert_stores) Optimization |
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1172 Also if-convert conditional jumps containing memory writes |
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1173 |
| 0 | 1174 ; -finhibit-size-directive inhibits output of .size for ELF. |
| 1175 ; This is used only for compiling crtstuff.c, | |
| 1176 ; and it may be extended to other effects | |
| 1177 ; needed for crtstuff.c on other systems. | |
| 1178 finhibit-size-directive | |
| 1179 Common Report Var(flag_inhibit_size_directive) | |
| 1180 Do not generate .size directives | |
| 1181 | |
| 1182 findirect-inlining | |
| 1183 Common Report Var(flag_indirect_inlining) | |
| 1184 Perform indirect inlining | |
| 1185 | |
| 1186 ; Nonzero means that functions declared `inline' will be treated | |
| 1187 ; as `static'. Prevents generation of zillions of copies of unused | |
| 1188 ; static inline functions; instead, `inlines' are written out | |
| 1189 ; only when actually used. Used in conjunction with -g. Also | |
| 1190 ; does the right thing with #pragma interface. | |
| 1191 finline | |
| 1192 Common Report Var(flag_no_inline,0) Init(0) | |
| 1193 Pay attention to the \"inline\" keyword | |
| 1194 | |
| 1195 finline-small-functions | |
| 1196 Common Report Var(flag_inline_small_functions) Optimization | |
| 1197 Integrate simple functions into their callers when code size is known to not growth | |
| 1198 | |
| 1199 finline-functions | |
| 1200 Common Report Var(flag_inline_functions) Optimization | |
| 1201 Integrate simple functions into their callers | |
| 1202 | |
| 1203 finline-functions-called-once | |
| 1204 Common Report Var(flag_inline_functions_called_once) Init(1) Optimization | |
| 1205 Integrate functions called once into their callers | |
| 1206 | |
| 1207 finline-limit- | |
|
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1208 Common RejectNegative Joined Alias(finline-limit=) |
| 0 | 1209 |
| 1210 finline-limit= | |
| 1211 Common RejectNegative Joined UInteger | |
| 1212 -finline-limit=<number> Limit the size of inlined functions to <number> | |
| 1213 | |
| 1214 finstrument-functions | |
| 1215 Common Report Var(flag_instrument_function_entry_exit) | |
| 1216 Instrument function entry and exit with profiling calls | |
| 1217 | |
| 1218 finstrument-functions-exclude-function-list= | |
| 1219 Common RejectNegative Joined | |
| 1220 -finstrument-functions-exclude-function-list=name,... Do not instrument listed functions | |
| 1221 | |
| 1222 finstrument-functions-exclude-file-list= | |
| 1223 Common RejectNegative Joined | |
| 1224 -finstrument-functions-exclude-file-list=filename,... Do not instrument functions listed in files | |
| 1225 | |
| 1226 fipa-cp | |
| 1227 Common Report Var(flag_ipa_cp) Optimization | |
| 1228 Perform Interprocedural constant propagation | |
| 1229 | |
| 1230 fipa-cp-clone | |
| 1231 Common Report Var(flag_ipa_cp_clone) Optimization | |
| 1232 Perform cloning to make Interprocedural constant propagation stronger | |
| 1233 | |
|
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|
1234 fipa-profile |
|
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|
1235 Common Report Var(flag_ipa_profile) Init(0) Optimization |
|
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|
1236 Perform interprocedural profile propagation |
| 0 | 1237 |
| 1238 fipa-pta | |
| 1239 Common Report Var(flag_ipa_pta) Init(0) Optimization | |
| 1240 Perform interprocedural points-to analysis | |
| 1241 | |
|
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|
1242 fipa-pure-const |
|
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|
1243 Common Report Var(flag_ipa_pure_const) Init(0) Optimization |
|
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|
1244 Discover pure and const functions |
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|
1245 |
| 0 | 1246 fipa-reference |
| 1247 Common Report Var(flag_ipa_reference) Init(0) Optimization | |
| 1248 Discover readonly and non addressable static variables | |
| 1249 | |
| 1250 fipa-matrix-reorg | |
| 1251 Common Report Var(flag_ipa_matrix_reorg) Optimization | |
| 1252 Perform matrix layout flattening and transposing based | |
| 1253 on profiling information. | |
| 1254 | |
| 1255 fipa-struct-reorg | |
| 1256 Common Report Var(flag_ipa_struct_reorg) | |
| 1257 Perform structure layout optimizations based | |
| 1258 on profiling information. | |
| 1259 | |
| 1260 fira-algorithm= | |
|
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|
1261 Common Joined RejectNegative Enum(ira_algorithm) Var(flag_ira_algorithm) Init(IRA_ALGORITHM_CB) |
| 0 | 1262 -fira-algorithm=[CB|priority] Set the used IRA algorithm |
| 1263 | |
|
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|
1264 Enum |
|
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|
1265 Name(ira_algorithm) Type(enum ira_algorithm) UnknownError(unknown IRA algorithm %qs) |
|
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|
1266 |
|
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|
1267 EnumValue |
|
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|
1268 Enum(ira_algorithm) String(CB) Value(IRA_ALGORITHM_CB) |
|
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|
1269 |
|
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|
1270 EnumValue |
|
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|
1271 Enum(ira_algorithm) String(priority) Value(IRA_ALGORITHM_PRIORITY) |
|
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|
1272 |
| 0 | 1273 fira-region= |
|
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|
1274 Common Joined RejectNegative Enum(ira_region) Var(flag_ira_region) Init(IRA_REGION_MIXED) |
| 0 | 1275 -fira-region=[one|all|mixed] Set regions for IRA |
| 1276 | |
|
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|
1277 Enum |
|
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|
1278 Name(ira_region) Type(enum ira_region) UnknownError(unknown IRA region %qs) |
|
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|
1279 |
|
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|
1280 EnumValue |
|
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|
1281 Enum(ira_region) String(one) Value(IRA_REGION_ONE) |
|
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|
1282 |
|
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|
1283 EnumValue |
|
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|
1284 Enum(ira_region) String(all) Value(IRA_REGION_ALL) |
|
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|
1285 |
|
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|
1286 EnumValue |
|
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|
1287 Enum(ira_region) String(mixed) Value(IRA_REGION_MIXED) |
| 0 | 1288 |
|
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|
1289 fira-loop-pressure |
|
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|
1290 Common Report Var(flag_ira_loop_pressure) |
|
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|
1291 Use IRA based register pressure calculation |
|
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|
1292 in RTL loop optimizations. |
|
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|
1293 |
| 0 | 1294 fira-share-save-slots |
| 1295 Common Report Var(flag_ira_share_save_slots) Init(1) | |
| 1296 Share slots for saving different hard registers. | |
| 1297 | |
| 1298 fira-share-spill-slots | |
| 1299 Common Report Var(flag_ira_share_spill_slots) Init(1) | |
| 1300 Share stack slots for spilled pseudo-registers. | |
| 1301 | |
| 1302 fira-verbose= | |
|
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|
1303 Common RejectNegative Joined UInteger Var(flag_ira_verbose) Init(5) |
|
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|
1304 -fira-verbose=<number> Control IRA's level of diagnostic messages. |
| 0 | 1305 |
| 1306 fivopts | |
| 1307 Common Report Var(flag_ivopts) Init(1) Optimization | |
| 1308 Optimize induction variables on trees | |
| 1309 | |
| 1310 fjump-tables | |
| 1311 Common Var(flag_jump_tables) Init(1) Optimization | |
| 1312 Use jump tables for sufficiently large switch statements | |
| 1313 | |
| 1314 fkeep-inline-functions | |
| 1315 Common Report Var(flag_keep_inline_functions) | |
| 1316 Generate code for functions even if they are fully inlined | |
| 1317 | |
| 1318 fkeep-static-consts | |
| 1319 Common Report Var(flag_keep_static_consts) Init(1) | |
| 1320 Emit static const variables even if they are not used | |
| 1321 | |
| 1322 fleading-underscore | |
| 1323 Common Report Var(flag_leading_underscore) Init(-1) | |
| 1324 Give external symbols a leading underscore | |
| 1325 | |
| 1326 floop-optimize | |
|
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|
1327 Common Ignore |
| 0 | 1328 Does nothing. Preserved for backward compatibility. |
| 1329 | |
|
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|
1330 flto |
|
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|
1331 Common |
|
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|
1332 Enable link-time optimization. |
|
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|
1333 |
|
67
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|
1334 flto= |
|
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|
1335 Common RejectNegative Joined Var(flag_lto) |
|
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|
1336 Link-time optimization with number of parallel jobs or jobserver. |
|
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|
1337 |
|
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|
1338 flto-partition=1to1 |
|
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|
1339 Common Var(flag_lto_partition_1to1) |
|
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|
1340 Partition functions and vars at linktime based on object files they originate from |
|
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|
1341 |
|
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|
1342 flto-partition=balanced |
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|
1343 Common Var(flag_lto_partition_balanced) |
|
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|
1344 Partition functions and vars at linktime into approximately same sized buckets |
|
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|
1345 |
|
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|
1346 flto-partition=none |
|
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|
1347 Common Var(flag_lto_partition_none) |
|
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|
1348 Disable partioning and streaming |
|
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|
1349 |
|
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|
1350 ; The initial value of -1 comes from Z_DEFAULT_COMPRESSION in zlib.h. |
|
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|
1351 flto-compression-level= |
|
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|
1352 Common Joined RejectNegative UInteger Var(flag_lto_compression_level) Init(-1) |
|
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|
1353 -flto-compression-level=<number> Use zlib compression level <number> for IL |
|
55
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|
1354 |
|
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|
1355 flto-report |
|
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|
1356 Common Report Var(flag_lto_report) Init(0) Optimization |
|
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|
1357 Report various link-time optimization statistics |
|
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|
1358 |
| 0 | 1359 fmath-errno |
|
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|
1360 Common Report Var(flag_errno_math) Init(1) Optimization SetByCombined |
| 0 | 1361 Set errno after built-in math functions |
| 1362 | |
|
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|
1363 fmax-errors= |
|
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|
1364 Common Joined RejectNegative UInteger Var(flag_max_errors) |
|
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|
1365 -fmax-errors=<number> Maximum number of errors to report |
|
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|
1366 |
| 0 | 1367 fmem-report |
| 1368 Common Report Var(mem_report) | |
| 1369 Report on permanent memory allocation | |
| 1370 | |
| 1371 ; This will attempt to merge constant section constants, if 1 only | |
| 1372 ; string constants and constants from constant pool, if 2 also constant | |
| 1373 ; variables. | |
| 1374 fmerge-all-constants | |
| 1375 Common Report Var(flag_merge_constants,2) Init(1) Optimization | |
| 1376 Attempt to merge identical constants and constant variables | |
| 1377 | |
| 1378 fmerge-constants | |
|
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|
1379 Common Report Var(flag_merge_constants,1) Optimization |
| 0 | 1380 Attempt to merge identical constants across compilation units |
| 1381 | |
| 1382 fmerge-debug-strings | |
| 1383 Common Report Var(flag_merge_debug_strings) Init(1) | |
| 1384 Attempt to merge identical debug strings across compilation units | |
| 1385 | |
| 1386 fmessage-length= | |
| 1387 Common RejectNegative Joined UInteger | |
| 1388 -fmessage-length=<number> Limit diagnostics to <number> characters per line. 0 suppresses line-wrapping | |
| 1389 | |
| 1390 fmodulo-sched | |
| 1391 Common Report Var(flag_modulo_sched) Optimization | |
| 1392 Perform SMS based modulo scheduling before the first scheduling pass | |
| 1393 | |
| 1394 fmodulo-sched-allow-regmoves | |
| 1395 Common Report Var(flag_modulo_sched_allow_regmoves) | |
| 1396 Perform SMS based modulo scheduling with register moves allowed | |
| 1397 | |
| 1398 fmove-loop-invariants | |
| 1399 Common Report Var(flag_move_loop_invariants) Init(1) Optimization | |
| 1400 Move loop invariant computations out of loops | |
| 1401 | |
| 1402 fmudflap | |
| 1403 Common RejectNegative Report Var(flag_mudflap) | |
| 1404 Add mudflap bounds-checking instrumentation for single-threaded program | |
| 1405 | |
| 1406 fmudflapth | |
|
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|
1407 Common RejectNegative Report Var(flag_mudflap,2) |
| 0 | 1408 Add mudflap bounds-checking instrumentation for multi-threaded program |
| 1409 | |
| 1410 fmudflapir | |
| 1411 Common RejectNegative Report Var(flag_mudflap_ignore_reads) | |
| 1412 Ignore read operations when inserting mudflap instrumentation | |
| 1413 | |
| 1414 fdce | |
| 1415 Common Var(flag_dce) Init(1) Optimization | |
| 1416 Use the RTL dead code elimination pass | |
| 1417 | |
| 1418 fdse | |
| 1419 Common Var(flag_dse) Init(1) Optimization | |
| 1420 Use the RTL dead store elimination pass | |
| 1421 | |
| 1422 freschedule-modulo-scheduled-loops | |
| 1423 Common Report Var(flag_resched_modulo_sched) Optimization | |
| 1424 Enable/Disable the traditional scheduling in loops that already passed modulo scheduling | |
| 1425 | |
| 1426 fnon-call-exceptions | |
| 1427 Common Report Var(flag_non_call_exceptions) Optimization | |
| 1428 Support synchronous non-call exceptions | |
| 1429 | |
| 1430 fomit-frame-pointer | |
| 1431 Common Report Var(flag_omit_frame_pointer) Optimization | |
| 1432 When possible do not generate stack frames | |
| 1433 | |
| 1434 foptimize-register-move | |
| 1435 Common Report Var(flag_regmove) Optimization | |
| 1436 Do the full register move optimization pass | |
| 1437 | |
| 1438 foptimize-sibling-calls | |
| 1439 Common Report Var(flag_optimize_sibling_calls) Optimization | |
| 1440 Optimize sibling and tail recursive calls | |
| 1441 | |
|
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|
1442 fpartial-inlining |
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1443 Common Report Var(flag_partial_inlining) |
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1444 Perform partial inlining |
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1445 |
| 0 | 1446 fpre-ipa-mem-report |
| 1447 Common Report Var(pre_ipa_mem_report) | |
| 1448 Report on memory allocation before interprocedural optimization | |
| 1449 | |
| 1450 fpost-ipa-mem-report | |
| 1451 Common Report Var(post_ipa_mem_report) | |
| 1452 Report on memory allocation before interprocedural optimization | |
| 1453 | |
| 1454 fpack-struct | |
| 1455 Common Report Var(flag_pack_struct) Optimization | |
| 1456 Pack structure members together without holes | |
| 1457 | |
| 1458 fpack-struct= | |
| 1459 Common RejectNegative Joined UInteger Optimization | |
| 1460 -fpack-struct=<number> Set initial maximum structure member alignment | |
| 1461 | |
| 1462 fpcc-struct-return | |
|
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|
1463 Common Report Var(flag_pcc_struct_return,1) Init(DEFAULT_PCC_STRUCT_RETURN) |
| 0 | 1464 Return small aggregates in memory, not registers |
| 1465 | |
| 1466 fpeel-loops | |
| 1467 Common Report Var(flag_peel_loops) Optimization | |
| 1468 Perform loop peeling | |
| 1469 | |
| 1470 fpeephole | |
| 1471 Common Report Var(flag_no_peephole,0) Optimization | |
| 1472 Enable machine specific peephole optimizations | |
| 1473 | |
| 1474 fpeephole2 | |
| 1475 Common Report Var(flag_peephole2) Optimization | |
| 1476 Enable an RTL peephole pass before sched2 | |
| 1477 | |
| 1478 fPIC | |
| 1479 Common Report Var(flag_pic,2) | |
| 1480 Generate position-independent code if possible (large mode) | |
| 1481 | |
| 1482 fPIE | |
| 1483 Common Report Var(flag_pie,2) | |
| 1484 Generate position-independent code for executables if possible (large mode) | |
| 1485 | |
| 1486 fpic | |
|
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|
1487 Common Report Var(flag_pic,1) |
| 0 | 1488 Generate position-independent code if possible (small mode) |
| 1489 | |
| 1490 fpie | |
|
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|
1491 Common Report Var(flag_pie,1) |
| 0 | 1492 Generate position-independent code for executables if possible (small mode) |
| 1493 | |
|
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1494 fplugin= |
|
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1495 Common Joined RejectNegative Var(common_deferred_options) Defer |
|
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1496 Specify a plugin to load |
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1497 |
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|
1498 fplugin-arg- |
|
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1499 Common Joined RejectNegative Var(common_deferred_options) Defer |
|
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1500 -fplugin-arg-<name>-<key>[=<value>] Specify argument <key>=<value> for plugin <name> |
|
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1501 |
| 0 | 1502 fpredictive-commoning |
| 1503 Common Report Var(flag_predictive_commoning) Optimization | |
| 1504 Run predictive commoning optimization. | |
| 1505 | |
| 1506 fprefetch-loop-arrays | |
|
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|
1507 Common Report Var(flag_prefetch_loop_arrays) Init(-1) Optimization |
| 0 | 1508 Generate prefetch instructions, if available, for arrays in loops |
| 1509 | |
| 1510 fprofile | |
| 1511 Common Report Var(profile_flag) | |
| 1512 Enable basic program profiling code | |
| 1513 | |
| 1514 fprofile-arcs | |
| 1515 Common Report Var(profile_arc_flag) | |
| 1516 Insert arc-based program profiling code | |
| 1517 | |
| 1518 fprofile-dir= | |
|
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|
1519 Common Joined RejectNegative Var(profile_data_prefix) |
| 0 | 1520 Set the top-level directory for storing the profile data. |
| 1521 The default is 'pwd'. | |
| 1522 | |
| 1523 fprofile-correction | |
| 1524 Common Report Var(flag_profile_correction) | |
| 1525 Enable correction of flow inconsistent profile data input | |
| 1526 | |
| 1527 fprofile-generate | |
| 1528 Common | |
| 1529 Enable common options for generating profile info for profile feedback directed optimizations | |
| 1530 | |
| 1531 fprofile-generate= | |
| 1532 Common Joined RejectNegative | |
| 1533 Enable common options for generating profile info for profile feedback directed optimizations, and set -fprofile-dir= | |
| 1534 | |
| 1535 fprofile-use | |
| 1536 Common Var(flag_profile_use) | |
| 1537 Enable common options for performing profile feedback directed optimizations | |
| 1538 | |
| 1539 fprofile-use= | |
| 1540 Common Joined RejectNegative | |
| 1541 Enable common options for performing profile feedback directed optimizations, and set -fprofile-dir= | |
| 1542 | |
| 1543 fprofile-values | |
| 1544 Common Report Var(flag_profile_values) | |
| 1545 Insert code to profile values of expressions | |
| 1546 | |
| 1547 frandom-seed | |
|
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|
1548 Common Var(common_deferred_options) Defer |
| 0 | 1549 |
| 1550 frandom-seed= | |
|
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1551 Common Joined RejectNegative Var(common_deferred_options) Defer |
| 0 | 1552 -frandom-seed=<string> Make compile reproducible using <string> |
| 1553 | |
| 1554 ; This switch causes the command line that was used to create an | |
| 1555 ; object file to be recorded into the object file. The exact format | |
| 1556 ; of this recording is target and binary file format dependent. | |
| 1557 ; It is related to the -fverbose-asm switch, but that switch only | |
| 1558 ; records information in the assembler output file as comments, so | |
| 1559 ; they never reach the object file. | |
| 1560 frecord-gcc-switches | |
| 1561 Common Report Var(flag_record_gcc_switches) | |
| 1562 Record gcc command line switches in the object file. | |
| 1563 | |
| 1564 freg-struct-return | |
|
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|
1565 Common Report Var(flag_pcc_struct_return,0) Optimization |
| 0 | 1566 Return small aggregates in registers |
| 1567 | |
| 1568 fregmove | |
| 1569 Common Report Var(flag_regmove) Optimization | |
| 1570 Enables a register move optimization | |
| 1571 | |
| 1572 frename-registers | |
| 1573 Common Report Var(flag_rename_registers) Init(2) Optimization | |
| 1574 Perform a register renaming optimization pass | |
| 1575 | |
| 1576 freorder-blocks | |
| 1577 Common Report Var(flag_reorder_blocks) Optimization | |
| 1578 Reorder basic blocks to improve code placement | |
| 1579 | |
| 1580 freorder-blocks-and-partition | |
| 1581 Common Report Var(flag_reorder_blocks_and_partition) Optimization | |
| 1582 Reorder basic blocks and partition into hot and cold sections | |
| 1583 | |
| 1584 freorder-functions | |
| 1585 Common Report Var(flag_reorder_functions) Optimization | |
| 1586 Reorder functions to improve code placement | |
| 1587 | |
| 1588 frerun-cse-after-loop | |
|
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|
1589 Common Report Var(flag_rerun_cse_after_loop) Optimization |
| 0 | 1590 Add a common subexpression elimination pass after loop optimizations |
| 1591 | |
| 1592 frerun-loop-opt | |
|
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|
1593 Common Ignore |
| 0 | 1594 Does nothing. Preserved for backward compatibility. |
| 1595 | |
| 1596 frounding-math | |
|
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1597 Common Report Var(flag_rounding_math) Optimization SetByCombined |
| 0 | 1598 Disable optimizations that assume default FP rounding behavior |
| 1599 | |
| 1600 fsched-interblock | |
| 1601 Common Report Var(flag_schedule_interblock) Init(1) Optimization | |
| 1602 Enable scheduling across basic blocks | |
| 1603 | |
|
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1604 fsched-pressure |
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1605 Common Report Var(flag_sched_pressure) Init(0) Optimization |
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|
1606 Enable register pressure sensitive insn scheduling |
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1607 |
| 0 | 1608 fsched-spec |
| 1609 Common Report Var(flag_schedule_speculative) Init(1) Optimization | |
| 1610 Allow speculative motion of non-loads | |
| 1611 | |
| 1612 fsched-spec-load | |
| 1613 Common Report Var(flag_schedule_speculative_load) Optimization | |
| 1614 Allow speculative motion of some loads | |
| 1615 | |
| 1616 fsched-spec-load-dangerous | |
| 1617 Common Report Var(flag_schedule_speculative_load_dangerous) Optimization | |
| 1618 Allow speculative motion of more loads | |
| 1619 | |
| 1620 fsched-verbose= | |
|
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|
1621 Common RejectNegative Joined UInteger Var(sched_verbose_param) |
| 0 | 1622 -fsched-verbose=<number> Set the verbosity level of the scheduler |
| 1623 | |
| 1624 fsched2-use-superblocks | |
| 1625 Common Report Var(flag_sched2_use_superblocks) Optimization | |
| 1626 If scheduling post reload, do superblock scheduling | |
| 1627 | |
| 1628 fsched2-use-traces | |
|
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1629 Common Ignore |
|
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|
1630 Does nothing. Preserved for backward compatibility. |
| 0 | 1631 |
| 1632 fschedule-insns | |
| 1633 Common Report Var(flag_schedule_insns) Optimization | |
| 1634 Reschedule instructions before register allocation | |
| 1635 | |
| 1636 fschedule-insns2 | |
| 1637 Common Report Var(flag_schedule_insns_after_reload) Optimization | |
| 1638 Reschedule instructions after register allocation | |
| 1639 | |
| 1640 ; This flag should be on when a target implements non-trivial | |
| 1641 ; scheduling hooks, maybe saving some information for its own sake. | |
| 1642 ; On IA64, for example, this is used for correct bundling. | |
| 1643 fselective-scheduling | |
| 1644 Common Report Var(flag_selective_scheduling) Optimization | |
| 1645 Schedule instructions using selective scheduling algorithm | |
| 1646 | |
| 1647 fselective-scheduling2 | |
| 1648 Common Report Var(flag_selective_scheduling2) Optimization | |
| 1649 Run selective scheduling after reload | |
| 1650 | |
| 1651 fsel-sched-pipelining | |
| 1652 Common Report Var(flag_sel_sched_pipelining) Init(0) Optimization | |
| 1653 Perform software pipelining of inner loops during selective scheduling | |
| 1654 | |
| 1655 fsel-sched-pipelining-outer-loops | |
| 1656 Common Report Var(flag_sel_sched_pipelining_outer_loops) Init(0) Optimization | |
| 1657 Perform software pipelining of outer loops during selective scheduling | |
| 1658 | |
| 1659 fsel-sched-reschedule-pipelined | |
| 1660 Common Report Var(flag_sel_sched_reschedule_pipelined) Init(0) Optimization | |
| 1661 Reschedule pipelined regions without pipelining | |
| 1662 | |
| 1663 ; sched_stalled_insns means that insns can be moved prematurely from the queue | |
| 1664 ; of stalled insns into the ready list. | |
| 1665 fsched-stalled-insns | |
| 1666 Common Report Var(flag_sched_stalled_insns) Optimization UInteger | |
| 1667 Allow premature scheduling of queued insns | |
| 1668 | |
| 1669 fsched-stalled-insns= | |
| 1670 Common RejectNegative Joined UInteger | |
| 1671 -fsched-stalled-insns=<number> Set number of queued insns that can be prematurely scheduled | |
| 1672 | |
| 1673 ; sched_stalled_insns_dep controls how many recently scheduled cycles will | |
| 1674 ; be examined for a dependency on a stalled insn that is candidate for | |
| 1675 ; premature removal from the queue of stalled insns into the ready list (has | |
| 1676 ; an effect only if the flag 'sched_stalled_insns' is set). | |
| 1677 fsched-stalled-insns-dep | |
| 1678 Common Report Var(flag_sched_stalled_insns_dep,1) Init(1) Optimization UInteger | |
| 1679 Set dependence distance checking in premature scheduling of queued insns | |
| 1680 | |
| 1681 fsched-stalled-insns-dep= | |
| 1682 Common RejectNegative Joined UInteger | |
| 1683 -fsched-stalled-insns-dep=<number> Set dependence distance checking in premature scheduling of queued insns | |
| 1684 | |
|
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1685 fsched-group-heuristic |
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1686 Common Report Var(flag_sched_group_heuristic) Init(1) Optimization |
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1687 Enable the group heuristic in the scheduler |
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1688 |
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1689 fsched-critical-path-heuristic |
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1690 Common Report Var(flag_sched_critical_path_heuristic) Init(1) Optimization |
|
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1691 Enable the critical path heuristic in the scheduler |
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1692 |
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1693 fsched-spec-insn-heuristic |
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1694 Common Report Var(flag_sched_spec_insn_heuristic) Init(1) Optimization |
|
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1695 Enable the speculative instruction heuristic in the scheduler |
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1696 |
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1697 fsched-rank-heuristic |
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1698 Common Report Var(flag_sched_rank_heuristic) Init(1) Optimization |
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1699 Enable the rank heuristic in the scheduler |
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1700 |
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1701 fsched-last-insn-heuristic |
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1702 Common Report Var(flag_sched_last_insn_heuristic) Init(1) Optimization |
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1703 Enable the last instruction heuristic in the scheduler |
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1704 |
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1705 fsched-dep-count-heuristic |
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1706 Common Report Var(flag_sched_dep_count_heuristic) Init(1) Optimization |
|
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1707 Enable the dependent count heuristic in the scheduler |
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1708 |
| 0 | 1709 fsection-anchors |
| 1710 Common Report Var(flag_section_anchors) Optimization | |
| 1711 Access data in the same section from shared anchor points | |
| 1712 | |
| 1713 fsee | |
|
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1714 Common Ignore |
|
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1715 Does nothing. Preserved for backward compatibility. |
| 0 | 1716 |
|
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1717 fzee |
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1718 Common Report Var(flag_zee) Init(0) |
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1719 Eliminate redundant zero extensions on targets that support implicit extensions. |
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1720 |
| 0 | 1721 fshow-column |
|
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1722 Common Report Var(flag_show_column) Init(1) |
|
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1723 Show column numbers in diagnostics, when available. Default on |
| 0 | 1724 |
| 1725 fsignaling-nans | |
|
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1726 Common Report Var(flag_signaling_nans) Optimization SetByCombined |
| 0 | 1727 Disable optimizations observable by IEEE signaling NaNs |
| 1728 | |
| 1729 fsigned-zeros | |
|
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1730 Common Report Var(flag_signed_zeros) Init(1) Optimization SetByCombined |
| 0 | 1731 Disable floating point optimizations that ignore the IEEE signedness of zero |
| 1732 | |
| 1733 fsingle-precision-constant | |
| 1734 Common Report Var(flag_single_precision_constant) Optimization | |
| 1735 Convert floating point constants to single precision constants | |
| 1736 | |
| 1737 fsplit-ivs-in-unroller | |
| 1738 Common Report Var(flag_split_ivs_in_unroller) Init(1) Optimization | |
| 1739 Split lifetimes of induction variables when loops are unrolled | |
| 1740 | |
|
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1741 fsplit-stack |
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1742 Common Report Var(flag_split_stack) Init(-1) |
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1743 Generate discontiguous stack frames |
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1744 |
| 0 | 1745 fsplit-wide-types |
| 1746 Common Report Var(flag_split_wide_types) Optimization | |
| 1747 Split wide types into independent registers | |
| 1748 | |
| 1749 fvariable-expansion-in-unroller | |
| 1750 Common Report Var(flag_variable_expansion_in_unroller) Optimization | |
| 1751 Apply variable expansion when loops are unrolled | |
| 1752 | |
| 1753 fstack-check= | |
| 1754 Common Report RejectNegative Joined | |
| 1755 -fstack-check=[no|generic|specific] Insert stack checking code into the program | |
| 1756 | |
| 1757 fstack-check | |
|
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1758 Common Alias(fstack-check=, specific, no) |
| 0 | 1759 Insert stack checking code into the program. Same as -fstack-check=specific |
| 1760 | |
| 1761 fstack-limit | |
|
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1762 Common Var(common_deferred_options) Defer |
| 0 | 1763 |
| 1764 fstack-limit-register= | |
|
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1765 Common RejectNegative Joined Var(common_deferred_options) Defer |
| 0 | 1766 -fstack-limit-register=<register> Trap if the stack goes past <register> |
| 1767 | |
| 1768 fstack-limit-symbol= | |
|
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1769 Common RejectNegative Joined Var(common_deferred_options) Defer |
| 0 | 1770 -fstack-limit-symbol=<name> Trap if the stack goes past symbol <name> |
| 1771 | |
| 1772 fstack-protector | |
| 1773 Common Report Var(flag_stack_protect, 1) | |
| 1774 Use propolice as a stack protection method | |
| 1775 | |
| 1776 fstack-protector-all | |
|
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1777 Common Report RejectNegative Var(flag_stack_protect, 2) |
| 0 | 1778 Use a stack protection method for every function |
| 1779 | |
|
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1780 fstack-usage |
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1781 Common RejectNegative Var(flag_stack_usage) |
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1782 Output stack usage information on a per-function basis |
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1783 |
| 0 | 1784 fstrength-reduce |
|
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1785 Common Ignore |
| 0 | 1786 Does nothing. Preserved for backward compatibility. |
| 1787 | |
| 1788 ; Nonzero if we should do (language-dependent) alias analysis. | |
| 1789 ; Typically, this analysis will assume that expressions of certain | |
| 1790 ; types do not alias expressions of certain other types. Only used | |
| 1791 ; if alias analysis (in general) is enabled. | |
| 1792 fstrict-aliasing | |
| 1793 Common Report Var(flag_strict_aliasing) Optimization | |
| 1794 Assume strict aliasing rules apply | |
| 1795 | |
| 1796 fstrict-overflow | |
| 1797 Common Report Var(flag_strict_overflow) | |
| 1798 Treat signed overflow as undefined | |
| 1799 | |
| 1800 fsyntax-only | |
| 1801 Common Report Var(flag_syntax_only) | |
| 1802 Check for syntax errors, then stop | |
| 1803 | |
| 1804 ftest-coverage | |
| 1805 Common Report Var(flag_test_coverage) | |
| 1806 Create data files needed by \"gcov\" | |
| 1807 | |
| 1808 fthread-jumps | |
| 1809 Common Report Var(flag_thread_jumps) Optimization | |
| 1810 Perform jump threading optimizations | |
| 1811 | |
| 1812 ftime-report | |
| 1813 Common Report Var(time_report) | |
| 1814 Report the time taken by each compiler pass | |
| 1815 | |
| 1816 ftls-model= | |
|
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1817 Common Joined RejectNegative Enum(tls_model) Var(flag_tls_default) Init(TLS_MODEL_GLOBAL_DYNAMIC) |
| 0 | 1818 -ftls-model=[global-dynamic|local-dynamic|initial-exec|local-exec] Set the default thread-local storage code generation model |
| 1819 | |
|
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1820 Enum |
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1821 Name(tls_model) Type(enum tls_model) UnknownError(unknown TLS model %qs) |
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1822 |
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1823 EnumValue |
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1824 Enum(tls_model) String(global-dynamic) Value(TLS_MODEL_GLOBAL_DYNAMIC) |
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1825 |
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1826 EnumValue |
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1827 Enum(tls_model) String(local-dynamic) Value(TLS_MODEL_LOCAL_DYNAMIC) |
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1828 |
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1829 EnumValue |
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1830 Enum(tls_model) String(initial-exec) Value(TLS_MODEL_INITIAL_EXEC) |
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1831 |
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1832 EnumValue |
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1833 Enum(tls_model) String(local-exec) Value(TLS_MODEL_LOCAL_EXEC) |
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1834 |
| 0 | 1835 ftoplevel-reorder |
| 1836 Common Report Var(flag_toplevel_reorder) Init(2) Optimization | |
| 1837 Reorder top level functions, variables, and asms | |
| 1838 | |
| 1839 ftracer | |
| 1840 Common Report Var(flag_tracer) | |
| 1841 Perform superblock formation via tail duplication | |
| 1842 | |
| 1843 ; Zero means that floating-point math operations cannot generate a | |
| 1844 ; (user-visible) trap. This is the case, for example, in nonstop | |
| 1845 ; IEEE 754 arithmetic. | |
| 1846 ftrapping-math | |
|
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1847 Common Report Var(flag_trapping_math) Init(1) Optimization SetByCombined |
| 0 | 1848 Assume floating-point operations can trap |
| 1849 | |
| 1850 ftrapv | |
| 1851 Common Report Var(flag_trapv) Optimization | |
| 1852 Trap for signed overflow in addition, subtraction and multiplication | |
| 1853 | |
| 1854 ftree-ccp | |
| 1855 Common Report Var(flag_tree_ccp) Optimization | |
| 1856 Enable SSA-CCP optimization on trees | |
| 1857 | |
|
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1858 ftree-bit-ccp |
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1859 Common Report Var(flag_tree_bit_ccp) Optimization |
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1860 Enable SSA-BIT-CCP optimization on trees |
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1861 |
| 0 | 1862 ftree-store-ccp |
|
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1863 Common Ignore |
| 0 | 1864 Does nothing. Preserved for backward compatibility. |
| 1865 | |
| 1866 ftree-ch | |
| 1867 Common Report Var(flag_tree_ch) Optimization | |
| 1868 Enable loop header copying on trees | |
| 1869 | |
| 1870 ftree-copyrename | |
| 1871 Common Report Var(flag_tree_copyrename) Optimization | |
| 1872 Replace SSA temporaries with better names in copies | |
| 1873 | |
| 1874 ftree-copy-prop | |
| 1875 Common Report Var(flag_tree_copy_prop) Optimization | |
| 1876 Enable copy propagation on trees | |
| 1877 | |
| 1878 ftree-store-copy-prop | |
|
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1879 Common Ignore |
| 0 | 1880 Does nothing. Preserved for backward compatibility. |
| 1881 | |
| 1882 ftree-cselim | |
| 1883 Common Report Var(flag_tree_cselim) Init(2) Optimization | |
| 1884 Transform condition stores into unconditional ones | |
| 1885 | |
| 1886 ftree-switch-conversion | |
| 1887 Common Report Var(flag_tree_switch_conversion) Optimization | |
| 1888 Perform conversions of switch initializations. | |
| 1889 | |
| 1890 ftree-dce | |
| 1891 Common Report Var(flag_tree_dce) Optimization | |
| 1892 Enable SSA dead code elimination optimization on trees | |
| 1893 | |
| 1894 ftree-dominator-opts | |
| 1895 Common Report Var(flag_tree_dom) Optimization | |
| 1896 Enable dominator optimizations | |
| 1897 | |
| 1898 ftree-dse | |
| 1899 Common Report Var(flag_tree_dse) Optimization | |
| 1900 Enable dead store elimination | |
| 1901 | |
|
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1902 ftree-forwprop |
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1903 Common Report Var(flag_tree_forwprop) Init(1) Optimization |
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1904 Enable forward propagation on trees |
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1905 |
| 0 | 1906 ftree-fre |
| 1907 Common Report Var(flag_tree_fre) Optimization | |
| 1908 Enable Full Redundancy Elimination (FRE) on trees | |
| 1909 | |
| 1910 ftree-loop-distribution | |
| 1911 Common Report Var(flag_tree_loop_distribution) Optimization | |
| 1912 Enable loop distribution on trees | |
| 1913 | |
|
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1914 ftree-loop-distribute-patterns |
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1915 Common Report Var(flag_tree_loop_distribute_patterns) Optimization |
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1916 Enable loop distribution for patterns transformed into a library call |
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1917 |
| 0 | 1918 ftree-loop-im |
| 1919 Common Report Var(flag_tree_loop_im) Init(1) Optimization | |
| 1920 Enable loop invariant motion on trees | |
| 1921 | |
| 1922 ftree-loop-linear | |
|
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1923 Common Alias(floop-interchange) |
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1924 Enable loop interchange transforms. Same as -floop-interchange |
| 0 | 1925 |
| 1926 ftree-loop-ivcanon | |
| 1927 Common Report Var(flag_tree_loop_ivcanon) Init(1) Optimization | |
| 1928 Create canonical induction variables in loops | |
| 1929 | |
| 1930 ftree-loop-optimize | |
| 1931 Common Report Var(flag_tree_loop_optimize) Init(1) Optimization | |
| 1932 Enable loop optimizations on tree level | |
| 1933 | |
| 1934 ftree-parallelize-loops= | |
|
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1935 Common Report Joined RejectNegative UInteger Var(flag_tree_parallelize_loops) Init(1) |
| 0 | 1936 Enable automatic parallelization of loops |
| 1937 | |
|
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1938 ftree-phiprop |
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1939 Common Report Var(flag_tree_phiprop) Init(1) Optimization |
|
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1940 Enable hoisting loads from conditional pointers. |
|
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|
1941 |
| 0 | 1942 ftree-pre |
| 1943 Common Report Var(flag_tree_pre) Optimization | |
| 1944 Enable SSA-PRE optimization on trees | |
| 1945 | |
|
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1946 ftree-pta |
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1947 Common Report Var(flag_tree_pta) Init(1) Optimization |
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1948 Perform function-local points-to analysis on trees. |
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1949 |
| 0 | 1950 ftree-reassoc |
| 1951 Common Report Var(flag_tree_reassoc) Init(1) Optimization | |
| 1952 Enable reassociation on tree level | |
| 1953 | |
| 1954 ftree-salias | |
|
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1955 Common Ignore |
| 0 | 1956 Does nothing. Preserved for backward compatibility. |
| 1957 | |
| 1958 ftree-sink | |
| 1959 Common Report Var(flag_tree_sink) Optimization | |
| 1960 Enable SSA code sinking on trees | |
| 1961 | |
| 1962 ftree-sra | |
| 1963 Common Report Var(flag_tree_sra) Optimization | |
| 1964 Perform scalar replacement of aggregates | |
| 1965 | |
| 1966 ftree-ter | |
|
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|
1967 Common Report Var(flag_tree_ter) Optimization |
| 0 | 1968 Replace temporary expressions in the SSA->normal pass |
| 1969 | |
| 1970 ftree-lrs | |
| 1971 Common Report Var(flag_tree_live_range_split) Optimization | |
| 1972 Perform live range splitting during the SSA->normal pass | |
| 1973 | |
| 1974 ftree-vrp | |
| 1975 Common Report Var(flag_tree_vrp) Init(0) Optimization | |
| 1976 Perform Value Range Propagation on trees | |
| 1977 | |
| 1978 funit-at-a-time | |
| 1979 Common Report Var(flag_unit_at_a_time) Init(1) Optimization | |
| 1980 Compile whole compilation unit at a time | |
| 1981 | |
| 1982 funroll-loops | |
| 1983 Common Report Var(flag_unroll_loops) Optimization | |
| 1984 Perform loop unrolling when iteration count is known | |
| 1985 | |
| 1986 funroll-all-loops | |
| 1987 Common Report Var(flag_unroll_all_loops) Optimization | |
| 1988 Perform loop unrolling for all loops | |
| 1989 | |
| 1990 ; Nonzero means that loop optimizer may assume that the induction variables | |
| 1991 ; that control loops do not overflow and that the loops with nontrivial | |
| 1992 ; exit condition are not infinite | |
| 1993 funsafe-loop-optimizations | |
| 1994 Common Report Var(flag_unsafe_loop_optimizations) Optimization | |
| 1995 Allow loop optimizations to assume that the loops behave in normal way | |
| 1996 | |
| 1997 fassociative-math | |
|
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1998 Common Report Var(flag_associative_math) SetByCombined |
| 0 | 1999 Allow optimization for floating-point arithmetic which may change the |
| 2000 result of the operation due to rounding. | |
| 2001 | |
| 2002 freciprocal-math | |
|
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|
2003 Common Report Var(flag_reciprocal_math) SetByCombined |
| 0 | 2004 Same as -fassociative-math for expressions which include division. |
| 2005 | |
| 2006 ; Nonzero means that unsafe floating-point math optimizations are allowed | |
| 2007 ; for the sake of speed. IEEE compliance is not guaranteed, and operations | |
| 2008 ; are allowed to assume that their arguments and results are "normal" | |
| 2009 ; (e.g., nonnegative for SQRT). | |
| 2010 funsafe-math-optimizations | |
|
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2011 Common Report Var(flag_unsafe_math_optimizations) Optimization SetByCombined |
| 0 | 2012 Allow math optimizations that may violate IEEE or ISO standards |
| 2013 | |
| 2014 funswitch-loops | |
| 2015 Common Report Var(flag_unswitch_loops) Optimization | |
| 2016 Perform loop unswitching | |
| 2017 | |
| 2018 funwind-tables | |
| 2019 Common Report Var(flag_unwind_tables) Optimization | |
| 2020 Just generate unwind tables for exception handling | |
| 2021 | |
|
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2022 fuse-linker-plugin |
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2023 Common Undocumented |
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2024 |
|
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2025 ; Positive if we should track variables, negative if we should run |
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2026 ; the var-tracking pass only to discard debug annotations, zero if |
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2027 ; we're not to run it. When flag_var_tracking == 2 (AUTODETECT_VALUE) it |
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2028 ; will be set according to optimize, debug_info_level and debug_hooks |
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2029 ; in process_options (). |
| 0 | 2030 fvar-tracking |
|
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2031 Common Report Var(flag_var_tracking) Init(2) Optimization |
| 0 | 2032 Perform variable tracking |
| 2033 | |
|
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2034 ; Positive if we should track variables at assignments, negative if |
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2035 ; we should run the var-tracking pass only to discard debug |
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2036 ; annotations. When flag_var_tracking_assignments == |
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2037 ; AUTODETECT_VALUE it will be set according to flag_var_tracking. |
|
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2038 fvar-tracking-assignments |
|
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2039 Common Report Var(flag_var_tracking_assignments) Init(2) Optimization |
|
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2040 Perform variable tracking by annotating assignments |
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2041 |
|
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2042 ; Nonzero if we should toggle flag_var_tracking_assignments after |
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2043 ; processing options and computing its default. */ |
|
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2044 fvar-tracking-assignments-toggle |
|
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2045 Common Report Var(flag_var_tracking_assignments_toggle) Optimization |
|
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2046 Toggle -fvar-tracking-assignments |
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2047 |
| 0 | 2048 fvar-tracking-uninit |
| 2049 Common Report Var(flag_var_tracking_uninit) Optimization | |
| 2050 Perform variable tracking and also tag variables that are uninitialized | |
| 2051 | |
| 2052 ftree-vectorize | |
| 2053 Common Report Var(flag_tree_vectorize) Optimization | |
| 2054 Enable loop vectorization on trees | |
| 2055 | |
|
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2056 ftree-slp-vectorize |
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2057 Common Report Var(flag_tree_slp_vectorize) Init(2) Optimization |
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2058 Enable basic block vectorization (SLP) on trees |
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2059 |
| 0 | 2060 fvect-cost-model |
| 2061 Common Report Var(flag_vect_cost_model) Optimization | |
| 2062 Enable use of cost model in vectorization | |
| 2063 | |
| 2064 ftree-vect-loop-version | |
| 2065 Common Report Var(flag_tree_vect_loop_version) Init(1) Optimization | |
| 2066 Enable loop versioning when doing loop vectorization on trees | |
| 2067 | |
| 2068 ftree-vectorizer-verbose= | |
|
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2069 Common RejectNegative Joined UInteger |
| 0 | 2070 -ftree-vectorizer-verbose=<number> Set the verbosity level of the vectorizer |
| 2071 | |
| 2072 ftree-scev-cprop | |
| 2073 Common Report Var(flag_tree_scev_cprop) Init(1) Optimization | |
| 2074 Enable copy propagation of scalar-evolution information. | |
| 2075 | |
| 2076 ; -fverbose-asm causes extra commentary information to be produced in | |
| 2077 ; the generated assembly code (to make it more readable). This option | |
| 2078 ; is generally only of use to those who actually need to read the | |
| 2079 ; generated assembly code (perhaps while debugging the compiler itself). | |
| 2080 ; -fno-verbose-asm, the default, causes the extra information | |
| 2081 ; to not be added and is useful when comparing two assembler files. | |
| 2082 fverbose-asm | |
| 2083 Common Report Var(flag_verbose_asm) | |
| 2084 Add extra commentary to assembler output | |
| 2085 | |
| 2086 fvisibility= | |
|
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|
2087 Common Joined RejectNegative Enum(symbol_visibility) Var(default_visibility) Init(VISIBILITY_DEFAULT) |
| 0 | 2088 -fvisibility=[default|internal|hidden|protected] Set the default symbol visibility |
| 2089 | |
|
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2090 Enum |
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2091 Name(symbol_visibility) Type(enum symbol_visibility) UnknownError(unrecognized visibility value %qs) |
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2092 |
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2093 EnumValue |
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2094 Enum(symbol_visibility) String(default) Value(VISIBILITY_DEFAULT) |
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2095 |
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2096 EnumValue |
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2097 Enum(symbol_visibility) String(internal) Value(VISIBILITY_INTERNAL) |
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2098 |
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2099 EnumValue |
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2100 Enum(symbol_visibility) String(hidden) Value(VISIBILITY_HIDDEN) |
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2101 |
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2102 EnumValue |
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2103 Enum(symbol_visibility) String(protected) Value(VISIBILITY_PROTECTED) |
| 0 | 2104 |
| 2105 fvpt | |
| 2106 Common Report Var(flag_value_profile_transformations) Optimization | |
| 2107 Use expression value profiles in optimizations | |
| 2108 | |
| 2109 fweb | |
| 2110 Common Report Var(flag_web) Init(2) Optimization | |
| 2111 Construct webs and split unrelated uses of single variable | |
| 2112 | |
| 2113 ftree-builtin-call-dce | |
| 2114 Common Report Var(flag_tree_builtin_call_dce) Init(0) Optimization | |
| 2115 Enable conditional dead code elimination for builtin calls | |
| 2116 | |
| 2117 fwhole-program | |
| 2118 Common Report Var(flag_whole_program) Init(0) Optimization | |
| 2119 Perform whole program optimizations | |
| 2120 | |
| 2121 fwrapv | |
| 2122 Common Report Var(flag_wrapv) Optimization | |
| 2123 Assume signed arithmetic overflow wraps around | |
| 2124 | |
| 2125 fzero-initialized-in-bss | |
| 2126 Common Report Var(flag_zero_initialized_in_bss) Init(1) | |
| 2127 Put zero initialized data in the bss section | |
| 2128 | |
| 2129 g | |
| 2130 Common JoinedOrMissing | |
| 2131 Generate debug information in default format | |
| 2132 | |
| 2133 gcoff | |
|
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2134 Common JoinedOrMissing Negative(gdwarf-) |
| 0 | 2135 Generate debug information in COFF format |
| 2136 | |
|
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|
2137 gdwarf- |
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2138 Common Joined UInteger Var(dwarf_version) Init(2) Negative(gstabs) |
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2139 Generate debug information in DWARF v2 (or later) format |
| 0 | 2140 |
| 2141 ggdb | |
| 2142 Common JoinedOrMissing | |
| 2143 Generate debug information in default extended format | |
| 2144 | |
| 2145 gstabs | |
| 2146 Common JoinedOrMissing Negative(gstabs+) | |
| 2147 Generate debug information in STABS format | |
| 2148 | |
| 2149 gstabs+ | |
| 2150 Common JoinedOrMissing Negative(gvms) | |
| 2151 Generate debug information in extended STABS format | |
| 2152 | |
|
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2153 gno-strict-dwarf |
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2154 Common RejectNegative Var(dwarf_strict,0) Init(-1) |
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2155 Emit DWARF additions beyond selected version |
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2156 |
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2157 gstrict-dwarf |
|
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2158 Common Report RejectNegative Var(dwarf_strict,1) |
|
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2159 Don't emit DWARF additions beyond selected version |
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2160 |
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2161 gtoggle |
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2162 Common Report Var(flag_gtoggle) |
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2163 Toggle debug information generation |
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2164 |
| 0 | 2165 gvms |
| 2166 Common JoinedOrMissing Negative(gxcoff) | |
| 2167 Generate debug information in VMS format | |
| 2168 | |
| 2169 gxcoff | |
| 2170 Common JoinedOrMissing Negative(gxcoff+) | |
| 2171 Generate debug information in XCOFF format | |
| 2172 | |
| 2173 gxcoff+ | |
| 2174 Common JoinedOrMissing Negative(gcoff) | |
| 2175 Generate debug information in extended XCOFF format | |
| 2176 | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2177 h |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2178 Driver Joined Separate |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2179 |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
2180 iplugindir= |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
2181 Common Joined Var(plugindir_string) Init(0) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
2182 -iplugindir=<dir> Set <dir> to be the default plugin directory |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
2183 |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2184 l |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2185 Driver Joined Separate |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2186 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2187 n |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2188 Driver |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2189 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2190 no-canonical-prefixes |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2191 Driver |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2192 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2193 nodefaultlibs |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2194 Driver |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2195 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2196 nostartfiles |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2197 Driver |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2198 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2199 nostdlib |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2200 Driver |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2201 |
| 0 | 2202 o |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2203 Common Driver Joined Separate Var(asm_file_name) MissingArgError(missing filename after %qs) |
| 0 | 2204 -o <file> Place output into <file> |
| 2205 | |
| 2206 p | |
| 2207 Common Var(profile_flag) | |
| 2208 Enable function profiling | |
| 2209 | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2210 pass-exit-codes |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2211 Driver Var(pass_exit_codes) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2212 |
| 0 | 2213 pedantic |
| 2214 Common Var(pedantic) | |
| 2215 Issue warnings needed for strict compliance to the standard | |
| 2216 | |
| 2217 pedantic-errors | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2218 Common Var(flag_pedantic_errors) |
| 0 | 2219 Like -pedantic but issue them as errors |
| 2220 | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2221 pg |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2222 Driver |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2223 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2224 pipe |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2225 Driver Var(use_pipes) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2226 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2227 print-file-name= |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2228 Driver JoinedOrMissing Var(print_file_name) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2229 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2230 print-libgcc-file-name |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2231 Driver |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2232 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2233 print-multi-directory |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2234 Driver Var(print_multi_directory) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2235 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2236 print-multi-lib |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2237 Driver Var(print_multi_lib) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2238 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2239 print-multi-os-directory |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2240 Driver Var(print_multi_os_directory) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2241 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2242 print-prog-name= |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2243 Driver JoinedOrMissing Var(print_prog_name) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2244 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2245 print-search-dirs |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2246 Driver Var(print_search_dirs) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2247 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2248 print-sysroot |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2249 Driver Var(print_sysroot) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2250 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2251 print-sysroot-headers-suffix |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2252 Driver Var(print_sysroot_headers_suffix) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2253 |
| 0 | 2254 quiet |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2255 Common Var(quiet_flag) RejectDriver |
| 0 | 2256 Do not display functions compiled or elapsed time |
| 2257 | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2258 r |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2259 Driver |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2260 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2261 s |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2262 Driver |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2263 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2264 save-temps |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2265 Driver |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2266 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2267 save-temps= |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2268 Driver Joined |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2269 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2270 t |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2271 Driver |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2272 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2273 time |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2274 Driver Var(report_times) |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2275 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2276 time= |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2277 Driver JoinedOrMissing |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2278 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2279 u |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2280 Driver Joined Separate |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2281 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2282 undef |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2283 Driver |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2284 ; C option, but driver must not handle as "-u ndef". |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2285 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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2286 v |
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2287 Common Driver Var(verbose_flag) |
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2288 Enable verbose output |
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2289 |
| 0 | 2290 version |
|
67
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2291 Common Var(version_flag) RejectDriver |
| 0 | 2292 Display the compiler's version |
| 2293 | |
| 2294 w | |
| 2295 Common Var(inhibit_warnings) | |
| 2296 Suppress warnings | |
| 2297 | |
|
67
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2298 wrapper |
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2299 Driver Separate Var(wrapper_string) |
|
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2300 |
|
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|
2301 x |
|
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2302 Driver Joined Separate |
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2303 |
| 0 | 2304 shared |
| 2305 Common RejectNegative Negative(pie) | |
| 2306 Create a shared library | |
| 2307 | |
|
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2308 shared-libgcc |
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2309 Driver |
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2310 |
|
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2311 specs |
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2312 Driver Separate Alias(specs=) |
|
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2313 |
|
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2314 specs= |
|
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2315 Driver Joined |
|
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2316 |
|
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2317 static |
|
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2318 Driver |
|
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2319 |
|
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2320 static-libgcc |
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2321 Driver |
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2322 |
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2323 static-libgfortran |
|
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2324 Driver |
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2325 ; Documented for Fortran, but always accepted by driver. |
|
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2326 |
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2327 static-libstdc++ |
|
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2328 Driver |
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2329 |
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2330 static-libgo |
|
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2331 Driver |
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2332 ; Documented for Go, but always accepted by driver. |
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2333 |
|
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2334 symbolic |
|
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2335 Driver |
|
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2336 |
| 0 | 2337 pie |
| 2338 Common RejectNegative Negative(shared) | |
| 2339 Create a position independent executable | |
| 2340 | |
|
67
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2341 z |
|
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2342 Driver Joined Separate |
|
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2343 |
| 0 | 2344 ; This comment is to ensure we retain the blank line above. |