Mercurial > hg > CbC > CbC_gcc
annotate gcc/lto-streamer.c @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Mon, 24 May 2010 12:47:05 +0900 |
parents | 77e2b8dfacca |
children | f6334be47118 |
rev | line source |
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1 /* Miscellaneous utilities for GIMPLE streaming. Things that are used |
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2 in both input and output are here. |
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3 |
63
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55
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4 Copyright 2009, 2010 Free Software Foundation, Inc. |
55
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5 Contributed by Doug Kwan <dougkwan@google.com> |
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6 |
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7 This file is part of GCC. |
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8 |
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9 GCC is free software; you can redistribute it and/or modify it under |
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10 the terms of the GNU General Public License as published by the Free |
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11 Software Foundation; either version 3, or (at your option) any later |
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12 version. |
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13 |
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14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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15 WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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17 for more details. |
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18 |
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19 You should have received a copy of the GNU General Public License |
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20 along with GCC; see the file COPYING3. If not see |
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21 <http://www.gnu.org/licenses/>. */ |
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22 |
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23 #include "config.h" |
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24 #include "system.h" |
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25 #include "coretypes.h" |
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26 #include "tm.h" |
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27 #include "toplev.h" |
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28 #include "flags.h" |
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29 #include "tree.h" |
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30 #include "gimple.h" |
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31 #include "tree-flow.h" |
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32 #include "diagnostic.h" |
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33 #include "bitmap.h" |
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34 #include "vec.h" |
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35 #include "lto-streamer.h" |
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36 |
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37 /* Statistics gathered during LTO, WPA and LTRANS. */ |
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38 struct lto_stats_d lto_stats; |
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39 |
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40 /* LTO uses bitmaps with different life-times. So use a seperate |
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41 obstack for all LTO bitmaps. */ |
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42 static bitmap_obstack lto_obstack; |
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43 static bool lto_obstack_initialized; |
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44 |
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45 |
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46 /* Return a string representing LTO tag TAG. */ |
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47 |
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48 const char * |
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49 lto_tag_name (enum LTO_tags tag) |
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50 { |
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51 if (lto_tag_is_tree_code_p (tag)) |
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52 { |
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53 /* For tags representing tree nodes, return the name of the |
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54 associated tree code. */ |
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55 return tree_code_name[lto_tag_to_tree_code (tag)]; |
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56 } |
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57 |
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58 if (lto_tag_is_gimple_code_p (tag)) |
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59 { |
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60 /* For tags representing gimple statements, return the name of |
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61 the associated gimple code. */ |
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62 return gimple_code_name[lto_tag_to_gimple_code (tag)]; |
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63 } |
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64 |
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65 switch (tag) |
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66 { |
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67 case LTO_null: |
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68 return "LTO_null"; |
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69 case LTO_bb0: |
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70 return "LTO_bb0"; |
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71 case LTO_bb1: |
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72 return "LTO_bb1"; |
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73 case LTO_eh_region: |
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74 return "LTO_eh_region"; |
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75 case LTO_function: |
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76 return "LTO_function"; |
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77 case LTO_eh_table: |
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78 return "LTO_eh_table"; |
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79 case LTO_ert_cleanup: |
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80 return "LTO_ert_cleanup"; |
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81 case LTO_ert_try: |
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82 return "LTO_ert_try"; |
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83 case LTO_ert_allowed_exceptions: |
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84 return "LTO_ert_allowed_exceptions"; |
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85 case LTO_ert_must_not_throw: |
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86 return "LTO_ert_must_not_throw"; |
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87 case LTO_tree_pickle_reference: |
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88 return "LTO_tree_pickle_reference"; |
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89 case LTO_field_decl_ref: |
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90 return "LTO_field_decl_ref"; |
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91 case LTO_function_decl_ref: |
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92 return "LTO_function_decl_ref"; |
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93 case LTO_label_decl_ref: |
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94 return "LTO_label_decl_ref"; |
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95 case LTO_namespace_decl_ref: |
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96 return "LTO_namespace_decl_ref"; |
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97 case LTO_result_decl_ref: |
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98 return "LTO_result_decl_ref"; |
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99 case LTO_ssa_name_ref: |
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100 return "LTO_ssa_name_ref"; |
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101 case LTO_type_decl_ref: |
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102 return "LTO_type_decl_ref"; |
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103 case LTO_type_ref: |
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104 return "LTO_type_ref"; |
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105 case LTO_global_decl_ref: |
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106 return "LTO_global_decl_ref"; |
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107 default: |
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108 return "LTO_UNKNOWN"; |
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109 } |
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110 } |
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111 |
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112 |
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113 /* Allocate a bitmap from heap. Initializes the LTO obstack if necessary. */ |
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114 |
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115 bitmap |
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116 lto_bitmap_alloc (void) |
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117 { |
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118 if (!lto_obstack_initialized) |
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119 { |
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120 bitmap_obstack_initialize (<o_obstack); |
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121 lto_obstack_initialized = true; |
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122 } |
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123 return BITMAP_ALLOC (<o_obstack); |
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124 } |
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125 |
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126 /* Free bitmap B. */ |
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127 |
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128 void |
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129 lto_bitmap_free (bitmap b) |
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130 { |
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131 BITMAP_FREE (b); |
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132 } |
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133 |
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134 |
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135 /* Get a section name for a particular type or name. The NAME field |
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136 is only used if SECTION_TYPE is LTO_section_function_body or |
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137 LTO_static_initializer. For all others it is ignored. The callee |
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138 of this function is responcible to free the returned name. */ |
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139 |
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140 char * |
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141 lto_get_section_name (int section_type, const char *name) |
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142 { |
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143 switch (section_type) |
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144 { |
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145 case LTO_section_function_body: |
63
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146 gcc_assert (name != NULL); |
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147 if (name[0] == '*') |
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148 name++; |
55
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149 return concat (LTO_SECTION_NAME_PREFIX, name, NULL); |
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150 |
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151 case LTO_section_static_initializer: |
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152 return concat (LTO_SECTION_NAME_PREFIX, ".statics", NULL); |
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153 |
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154 case LTO_section_symtab: |
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155 return concat (LTO_SECTION_NAME_PREFIX, ".symtab", NULL); |
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156 |
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157 case LTO_section_decls: |
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158 return concat (LTO_SECTION_NAME_PREFIX, ".decls", NULL); |
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159 |
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160 case LTO_section_cgraph: |
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161 return concat (LTO_SECTION_NAME_PREFIX, ".cgraph", NULL); |
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162 |
63
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163 case LTO_section_varpool: |
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164 return concat (LTO_SECTION_NAME_PREFIX, ".vars", NULL); |
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165 |
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166 case LTO_section_refs: |
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167 return concat (LTO_SECTION_NAME_PREFIX, ".refs", NULL); |
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168 |
55
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169 case LTO_section_jump_functions: |
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170 return concat (LTO_SECTION_NAME_PREFIX, ".jmpfuncs", NULL); |
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171 |
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172 case LTO_section_ipa_pure_const: |
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173 return concat (LTO_SECTION_NAME_PREFIX, ".pureconst", NULL); |
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174 |
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175 case LTO_section_ipa_reference: |
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176 return concat (LTO_SECTION_NAME_PREFIX, ".reference", NULL); |
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177 |
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178 case LTO_section_opts: |
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179 return concat (LTO_SECTION_NAME_PREFIX, ".opts", NULL); |
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180 |
63
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181 case LTO_section_cgraph_opt_sum: |
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182 return concat (LTO_SECTION_NAME_PREFIX, ".cgraphopt", NULL); |
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183 |
55
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184 default: |
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185 internal_error ("bytecode stream: unexpected LTO section %s", name); |
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186 } |
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187 } |
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188 |
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189 |
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190 /* Show various memory usage statistics related to LTO. */ |
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191 |
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192 void |
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193 print_lto_report (void) |
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194 { |
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195 const char *s = (flag_lto) ? "LTO" : (flag_wpa) ? "WPA" : "LTRANS"; |
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196 unsigned i; |
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197 |
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198 fprintf (stderr, "%s statistics\n", s); |
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199 fprintf (stderr, "[%s] # of input files: " |
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200 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, lto_stats.num_input_files); |
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201 |
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202 fprintf (stderr, "[%s] # of input cgraph nodes: " |
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203 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, |
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204 lto_stats.num_input_cgraph_nodes); |
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205 |
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206 fprintf (stderr, "[%s] # of function bodies: " |
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207 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, |
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208 lto_stats.num_function_bodies); |
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209 |
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210 fprintf (stderr, "[%s] ", s); |
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211 print_gimple_types_stats (); |
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212 |
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213 for (i = 0; i < NUM_TREE_CODES; i++) |
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214 if (lto_stats.num_trees[i]) |
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215 fprintf (stderr, "[%s] # of '%s' objects read: " |
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216 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, |
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217 tree_code_name[i], lto_stats.num_trees[i]); |
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218 |
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219 if (flag_lto) |
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220 { |
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221 fprintf (stderr, "[%s] Compression: " |
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222 HOST_WIDE_INT_PRINT_UNSIGNED " output bytes, " |
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223 HOST_WIDE_INT_PRINT_UNSIGNED " compressed bytes", s, |
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224 lto_stats.num_output_il_bytes, |
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225 lto_stats.num_compressed_il_bytes); |
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226 if (lto_stats.num_output_il_bytes > 0) |
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227 { |
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228 const float dividend = (float) lto_stats.num_compressed_il_bytes; |
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229 const float divisor = (float) lto_stats.num_output_il_bytes; |
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230 fprintf (stderr, " (ratio: %f)", dividend / divisor); |
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231 } |
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232 fprintf (stderr, "\n"); |
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233 } |
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234 |
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235 if (flag_wpa) |
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236 { |
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237 fprintf (stderr, "[%s] # of output files: " |
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238 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, |
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239 lto_stats.num_output_files); |
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240 |
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241 fprintf (stderr, "[%s] # of output cgraph nodes: " |
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242 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, |
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243 lto_stats.num_output_cgraph_nodes); |
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244 |
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245 fprintf (stderr, "[%s] # callgraph partitions: " |
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246 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, |
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247 lto_stats.num_cgraph_partitions); |
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248 |
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249 fprintf (stderr, "[%s] Compression: " |
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250 HOST_WIDE_INT_PRINT_UNSIGNED " input bytes, " |
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251 HOST_WIDE_INT_PRINT_UNSIGNED " uncompressed bytes", s, |
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252 lto_stats.num_input_il_bytes, |
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253 lto_stats.num_uncompressed_il_bytes); |
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254 if (lto_stats.num_input_il_bytes > 0) |
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255 { |
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256 const float dividend = (float) lto_stats.num_uncompressed_il_bytes; |
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257 const float divisor = (float) lto_stats.num_input_il_bytes; |
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258 fprintf (stderr, " (ratio: %f)", dividend / divisor); |
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259 } |
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260 fprintf (stderr, "\n"); |
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261 } |
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262 |
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263 for (i = 0; i < LTO_N_SECTION_TYPES; i++) |
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264 fprintf (stderr, "[%s] Size of mmap'd section %s: " |
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265 HOST_WIDE_INT_PRINT_UNSIGNED " bytes\n", s, |
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266 lto_section_name[i], lto_stats.section_size[i]); |
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267 } |
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268 |
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269 |
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270 /* Create a new bitpack. */ |
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271 |
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272 struct bitpack_d * |
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273 bitpack_create (void) |
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274 { |
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275 return XCNEW (struct bitpack_d); |
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276 } |
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277 |
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278 |
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279 /* Free the memory used by bitpack BP. */ |
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280 |
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281 void |
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282 bitpack_delete (struct bitpack_d *bp) |
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283 { |
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284 VEC_free (bitpack_word_t, heap, bp->values); |
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285 free (bp); |
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286 } |
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287 |
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288 |
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289 /* Return an index to the word in bitpack BP that contains the |
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290 next NBITS. */ |
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291 |
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292 static inline unsigned |
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293 bp_get_next_word (struct bitpack_d *bp, unsigned nbits) |
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294 { |
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295 unsigned last, ix; |
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296 |
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297 /* In principle, the next word to use is determined by the |
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298 number of bits already processed in BP. */ |
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299 ix = bp->num_bits / BITS_PER_BITPACK_WORD; |
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300 |
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301 /* All the encoded bit patterns in BP are contiguous, therefore if |
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302 the next NBITS would straddle over two different words, move the |
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303 index to the next word and update the number of encoded bits |
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304 by adding up the hole of unused bits created by this move. */ |
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305 bp->first_unused_bit %= BITS_PER_BITPACK_WORD; |
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306 last = bp->first_unused_bit + nbits - 1; |
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307 if (last >= BITS_PER_BITPACK_WORD) |
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308 { |
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309 ix++; |
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310 bp->num_bits += (BITS_PER_BITPACK_WORD - bp->first_unused_bit); |
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311 bp->first_unused_bit = 0; |
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312 } |
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313 |
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314 return ix; |
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315 } |
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316 |
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317 |
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318 /* Pack NBITS of value VAL into bitpack BP. */ |
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319 |
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320 void |
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321 bp_pack_value (struct bitpack_d *bp, bitpack_word_t val, unsigned nbits) |
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322 { |
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323 unsigned ix; |
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324 bitpack_word_t word; |
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325 |
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326 /* We cannot encode more bits than BITS_PER_BITPACK_WORD. */ |
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327 gcc_assert (nbits > 0 && nbits <= BITS_PER_BITPACK_WORD); |
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328 |
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329 /* Compute which word will contain the next NBITS. */ |
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330 ix = bp_get_next_word (bp, nbits); |
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331 if (ix >= VEC_length (bitpack_word_t, bp->values)) |
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332 { |
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333 /* If there is no room left in the last word of the values |
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334 array, add a new word. Additionally, we should only |
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335 need to add a single word, since every pack operation cannot |
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336 use more bits than fit in a single word. */ |
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337 gcc_assert (ix < VEC_length (bitpack_word_t, bp->values) + 1); |
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338 VEC_safe_push (bitpack_word_t, heap, bp->values, 0); |
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339 } |
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340 |
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341 /* Grab the last word to pack VAL into. */ |
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342 word = VEC_index (bitpack_word_t, bp->values, ix); |
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343 |
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344 /* To fit VAL in WORD, we need to shift VAL to the left to |
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345 skip the bottom BP->FIRST_UNUSED_BIT bits. */ |
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346 gcc_assert (BITS_PER_BITPACK_WORD >= bp->first_unused_bit + nbits); |
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347 val <<= bp->first_unused_bit; |
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348 |
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349 /* Update WORD with VAL. */ |
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350 word |= val; |
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351 |
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352 /* Update BP. */ |
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353 VEC_replace (bitpack_word_t, bp->values, ix, word); |
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354 bp->num_bits += nbits; |
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355 bp->first_unused_bit += nbits; |
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356 } |
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357 |
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358 |
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359 /* Unpack the next NBITS from bitpack BP. */ |
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360 |
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361 bitpack_word_t |
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362 bp_unpack_value (struct bitpack_d *bp, unsigned nbits) |
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363 { |
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364 bitpack_word_t val, word, mask; |
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parents:
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365 unsigned ix; |
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366 |
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parents:
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367 /* We cannot decode more bits than BITS_PER_BITPACK_WORD. */ |
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368 gcc_assert (nbits > 0 && nbits <= BITS_PER_BITPACK_WORD); |
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369 |
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parents:
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370 /* Compute which word contains the next NBITS. */ |
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371 ix = bp_get_next_word (bp, nbits); |
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372 word = VEC_index (bitpack_word_t, bp->values, ix); |
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373 |
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374 /* Compute the mask to get NBITS from WORD. */ |
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375 mask = (nbits == BITS_PER_BITPACK_WORD) |
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parents:
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376 ? (bitpack_word_t) -1 |
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parents:
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377 : ((bitpack_word_t) 1 << nbits) - 1; |
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parents:
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|
378 |
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parents:
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379 /* Shift WORD to the right to skip over the bits already decoded |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
380 in word. */ |
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parents:
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381 word >>= bp->first_unused_bit; |
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parents:
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|
382 |
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parents:
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|
383 /* Apply the mask to obtain the requested value. */ |
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parents:
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384 val = word & mask; |
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parents:
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|
385 |
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parents:
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|
386 /* Update BP->NUM_BITS for the next unpack operation. */ |
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parents:
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|
387 bp->num_bits += nbits; |
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388 bp->first_unused_bit += nbits; |
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|
389 |
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parents:
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390 return val; |
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parents:
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|
391 } |
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|
392 |
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parents:
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|
393 |
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parents:
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394 /* Check that all the TS_* structures handled by the lto_output_* and |
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parents:
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|
395 lto_input_* routines are exactly ALL the structures defined in |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
396 treestruct.def. */ |
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parents:
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|
397 |
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parents:
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|
398 static void |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
399 check_handled_ts_structures (void) |
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parents:
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|
400 { |
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parents:
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|
401 bool handled_p[LAST_TS_ENUM]; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
402 unsigned i; |
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parents:
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|
403 |
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parents:
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|
404 memset (&handled_p, 0, sizeof (handled_p)); |
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parents:
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|
405 |
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parents:
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|
406 /* These are the TS_* structures that are either handled or |
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parents:
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|
407 explicitly ignored by the streamer routines. */ |
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parents:
diff
changeset
|
408 handled_p[TS_BASE] = true; |
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parents:
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changeset
|
409 handled_p[TS_COMMON] = true; |
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parents:
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changeset
|
410 handled_p[TS_INT_CST] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
411 handled_p[TS_REAL_CST] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
412 handled_p[TS_FIXED_CST] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
413 handled_p[TS_VECTOR] = true; |
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parents:
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changeset
|
414 handled_p[TS_STRING] = true; |
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parents:
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changeset
|
415 handled_p[TS_COMPLEX] = true; |
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parents:
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changeset
|
416 handled_p[TS_IDENTIFIER] = true; |
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parents:
diff
changeset
|
417 handled_p[TS_DECL_MINIMAL] = true; |
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parents:
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changeset
|
418 handled_p[TS_DECL_COMMON] = true; |
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parents:
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changeset
|
419 handled_p[TS_DECL_WRTL] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
420 handled_p[TS_DECL_NON_COMMON] = true; |
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parents:
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changeset
|
421 handled_p[TS_DECL_WITH_VIS] = true; |
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parents:
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changeset
|
422 handled_p[TS_FIELD_DECL] = true; |
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parents:
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changeset
|
423 handled_p[TS_VAR_DECL] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
424 handled_p[TS_PARM_DECL] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
425 handled_p[TS_LABEL_DECL] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
426 handled_p[TS_RESULT_DECL] = true; |
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parents:
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changeset
|
427 handled_p[TS_CONST_DECL] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
428 handled_p[TS_TYPE_DECL] = true; |
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parents:
diff
changeset
|
429 handled_p[TS_FUNCTION_DECL] = true; |
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parents:
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changeset
|
430 handled_p[TS_TYPE] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
431 handled_p[TS_LIST] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
432 handled_p[TS_VEC] = true; |
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parents:
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changeset
|
433 handled_p[TS_EXP] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
434 handled_p[TS_SSA_NAME] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
435 handled_p[TS_BLOCK] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
436 handled_p[TS_BINFO] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
437 handled_p[TS_STATEMENT_LIST] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
438 handled_p[TS_CONSTRUCTOR] = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
439 handled_p[TS_OMP_CLAUSE] = true; |
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parents:
diff
changeset
|
440 handled_p[TS_OPTIMIZATION] = true; |
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parents:
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changeset
|
441 handled_p[TS_TARGET_OPTION] = true; |
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parents:
diff
changeset
|
442 |
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parents:
diff
changeset
|
443 /* Anything not marked above will trigger the following assertion. |
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parents:
diff
changeset
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444 If this assertion triggers, it means that there is a new TS_* |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
445 structure that should be handled by the streamer. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
446 for (i = 0; i < LAST_TS_ENUM; i++) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
447 gcc_assert (handled_p[i]); |
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parents:
diff
changeset
|
448 } |
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parents:
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|
449 |
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parents:
diff
changeset
|
450 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
451 /* Helper for lto_streamer_cache_insert_1. Add T to CACHE->NODES at |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
452 slot IX. Add OFFSET to CACHE->OFFSETS at slot IX. */ |
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parents:
diff
changeset
|
453 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
454 static void |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
455 lto_streamer_cache_add_to_node_array (struct lto_streamer_cache_d *cache, |
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parents:
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456 int ix, tree t, unsigned offset) |
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parents:
diff
changeset
|
457 { |
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parents:
diff
changeset
|
458 gcc_assert (ix >= 0); |
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parents:
diff
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|
459 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
460 /* Grow the array of nodes and offsets to accomodate T at IX. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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461 if (ix >= (int) VEC_length (tree, cache->nodes)) |
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parents:
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|
462 { |
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parents:
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463 size_t sz = ix + (20 + ix) / 4; |
63
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parents:
55
diff
changeset
|
464 VEC_safe_grow_cleared (tree, heap, cache->nodes, sz); |
55
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parents:
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|
465 VEC_safe_grow_cleared (unsigned, heap, cache->offsets, sz); |
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parents:
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|
466 } |
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parents:
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|
467 |
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parents:
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468 VEC_replace (tree, cache->nodes, ix, t); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
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|
469 VEC_replace (unsigned, cache->offsets, ix, offset); |
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parents:
diff
changeset
|
470 } |
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parents:
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|
471 |
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parents:
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changeset
|
472 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
473 /* Helper for lto_streamer_cache_insert and lto_streamer_cache_insert_at. |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
474 CACHE, T, IX_P and OFFSET_P are as in lto_streamer_cache_insert. |
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parents:
diff
changeset
|
475 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
476 If INSERT_AT_NEXT_SLOT_P is true, T is inserted at the next available |
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parents:
diff
changeset
|
477 slot in the cache. Otherwise, T is inserted at the position indicated |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
478 in *IX_P. |
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parents:
diff
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|
479 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
480 If T already existed in CACHE, return true. Otherwise, |
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parents:
diff
changeset
|
481 return false. */ |
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parents:
diff
changeset
|
482 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
483 static bool |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
484 lto_streamer_cache_insert_1 (struct lto_streamer_cache_d *cache, |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
485 tree t, int *ix_p, unsigned *offset_p, |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
486 bool insert_at_next_slot_p) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
487 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
488 void **slot; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
489 struct tree_int_map d_entry, *entry; |
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parents:
diff
changeset
|
490 int ix; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
491 unsigned offset; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
492 bool existed_p; |
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parents:
diff
changeset
|
493 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
494 gcc_assert (t); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
495 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
496 d_entry.base.from = t; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
497 slot = htab_find_slot (cache->node_map, &d_entry, INSERT); |
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parents:
diff
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|
498 if (*slot == NULL) |
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parents:
diff
changeset
|
499 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
500 /* Determine the next slot to use in the cache. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
501 if (insert_at_next_slot_p) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
502 ix = cache->next_slot++; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
503 else |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
504 ix = *ix_p; |
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parents:
diff
changeset
|
505 |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
506 entry = (struct tree_int_map *)pool_alloc (cache->node_map_entries); |
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
507 entry->base.from = t; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
508 entry->to = (unsigned) ix; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
509 *slot = entry; |
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parents:
diff
changeset
|
510 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
511 /* If no offset was given, store the invalid offset -1. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
512 offset = (offset_p) ? *offset_p : (unsigned) -1; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
513 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
514 lto_streamer_cache_add_to_node_array (cache, ix, t, offset); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
515 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
516 /* Indicate that the item was not present in the cache. */ |
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parents:
diff
changeset
|
517 existed_p = false; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
518 } |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
519 else |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
520 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
521 entry = (struct tree_int_map *) *slot; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
522 ix = (int) entry->to; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
523 offset = VEC_index (unsigned, cache->offsets, ix); |
77e2b8dfacca
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parents:
diff
changeset
|
524 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
525 if (!insert_at_next_slot_p && ix != *ix_p) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
526 { |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
527 /* If the caller wants to insert T at a specific slot |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
528 location, and ENTRY->TO does not match *IX_P, add T to |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
529 the requested location slot. This situation arises when |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
530 streaming builtin functions. |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
531 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
532 For instance, on the writer side we could have two |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
533 FUNCTION_DECLS T1 and T2 that are represented by the same |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
534 builtin function. The reader will only instantiate the |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
535 canonical builtin, but since T1 and T2 had been |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
536 originally stored in different cache slots (S1 and S2), |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
537 the reader must be able to find the canonical builtin |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
538 function at slots S1 and S2. */ |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
539 gcc_assert (lto_stream_as_builtin_p (t)); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
540 ix = *ix_p; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
541 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
542 /* Since we are storing a builtin, the offset into the |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
543 stream is not necessary as we will not need to read |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
544 forward in the stream. */ |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
545 lto_streamer_cache_add_to_node_array (cache, ix, t, -1); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
546 } |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
547 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
548 /* Indicate that T was already in the cache. */ |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
549 existed_p = true; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
550 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
551 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
552 if (ix_p) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
553 *ix_p = ix; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
554 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
555 if (offset_p) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
556 *offset_p = offset; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
557 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
558 return existed_p; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
559 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
560 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
561 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
562 /* Insert tree node T in CACHE. If T already existed in the cache |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
563 return true. Otherwise, return false. |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
564 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
565 If IX_P is non-null, update it with the index into the cache where |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
566 T has been stored. |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
567 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
568 *OFFSET_P represents the offset in the stream where T is physically |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
569 written out. The first time T is added to the cache, *OFFSET_P is |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
570 recorded in the cache together with T. But if T already existed |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
571 in the cache, *OFFSET_P is updated with the value that was recorded |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
572 the first time T was added to the cache. |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
573 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
574 If OFFSET_P is NULL, it is ignored. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
575 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
576 bool |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
577 lto_streamer_cache_insert (struct lto_streamer_cache_d *cache, tree t, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
578 int *ix_p, unsigned *offset_p) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
579 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
580 return lto_streamer_cache_insert_1 (cache, t, ix_p, offset_p, true); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
581 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
582 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
583 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
584 /* Insert tree node T in CACHE at slot IX. If T already |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
585 existed in the cache return true. Otherwise, return false. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
586 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
587 bool |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
588 lto_streamer_cache_insert_at (struct lto_streamer_cache_d *cache, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
589 tree t, int ix) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
590 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
591 return lto_streamer_cache_insert_1 (cache, t, &ix, NULL, false); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
592 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
593 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
594 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
595 /* Return true if tree node T exists in CACHE. If IX_P is |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
596 not NULL, write to *IX_P the index into the cache where T is stored |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
597 (-1 if T is not found). */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
598 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
599 bool |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
600 lto_streamer_cache_lookup (struct lto_streamer_cache_d *cache, tree t, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
601 int *ix_p) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
602 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
603 void **slot; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
604 struct tree_int_map d_slot; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
605 bool retval; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
606 int ix; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
607 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
608 gcc_assert (t); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
609 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
610 d_slot.base.from = t; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
611 slot = htab_find_slot (cache->node_map, &d_slot, NO_INSERT); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
612 if (slot == NULL) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
613 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
614 retval = false; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
615 ix = -1; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
616 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
617 else |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
618 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
619 retval = true; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
620 ix = (int) ((struct tree_int_map *) *slot)->to; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
621 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
622 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
623 if (ix_p) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
624 *ix_p = ix; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
625 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
626 return retval; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
627 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
628 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
629 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
630 /* Return the tree node at slot IX in CACHE. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
631 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
632 tree |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
633 lto_streamer_cache_get (struct lto_streamer_cache_d *cache, int ix) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
634 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
635 gcc_assert (cache); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
636 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
637 /* If the reader is requesting an index beyond the length of the |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
638 cache, it will need to read ahead. Return NULL_TREE to indicate |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
639 that. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
640 if ((unsigned) ix >= VEC_length (tree, cache->nodes)) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
641 return NULL_TREE; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
642 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
643 return VEC_index (tree, cache->nodes, (unsigned) ix); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
644 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
645 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
646 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
647 /* Record NODE in COMMON_NODES if it is not NULL and is not already in |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
648 SEEN_NODES. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
649 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
650 static void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
651 lto_record_common_node (tree *nodep, VEC(tree, heap) **common_nodes, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
652 struct pointer_set_t *seen_nodes) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
653 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
654 tree node = *nodep; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
655 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
656 if (node == NULL_TREE) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
657 return; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
658 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
659 if (TYPE_P (node)) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
660 *nodep = node = gimple_register_type (node); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
661 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
662 /* Return if node is already seen. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
663 if (pointer_set_insert (seen_nodes, node)) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
664 return; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
665 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
666 VEC_safe_push (tree, heap, *common_nodes, node); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
667 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
668 if (tree_node_can_be_shared (node)) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
669 { |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
670 if (POINTER_TYPE_P (node) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
671 || TREE_CODE (node) == COMPLEX_TYPE |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
672 || TREE_CODE (node) == ARRAY_TYPE) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
673 lto_record_common_node (&TREE_TYPE (node), common_nodes, seen_nodes); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
674 } |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
675 } |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
676 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
677 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
678 /* Generate a vector of common nodes and make sure they are merged |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
679 properly according to the the gimple type table. */ |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
680 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
681 static VEC(tree,heap) * |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
682 lto_get_common_nodes (void) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
683 { |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
684 unsigned i; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
685 VEC(tree,heap) *common_nodes = NULL; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
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|
686 struct pointer_set_t *seen_nodes; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
687 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
688 /* The MAIN_IDENTIFIER_NODE is normally set up by the front-end, but the |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
689 LTO back-end must agree. Currently, the only languages that set this |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
690 use the name "main". */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
691 if (main_identifier_node) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
692 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
693 const char *main_name = IDENTIFIER_POINTER (main_identifier_node); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
694 gcc_assert (strcmp (main_name, "main") == 0); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
695 } |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
696 else |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
697 main_identifier_node = get_identifier ("main"); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
698 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
699 gcc_assert (ptrdiff_type_node == integer_type_node); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
700 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
701 /* FIXME lto. In the C++ front-end, fileptr_type_node is defined as a |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
702 variant copy of of ptr_type_node, rather than ptr_node itself. The |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
703 distinction should only be relevant to the front-end, so we always |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
704 use the C definition here in lto1. |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
705 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
706 These should be assured in pass_ipa_free_lang_data. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
707 gcc_assert (fileptr_type_node == ptr_type_node); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
708 gcc_assert (TYPE_MAIN_VARIANT (fileptr_type_node) == ptr_type_node); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
709 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
710 seen_nodes = pointer_set_create (); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
711 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
712 /* Skip itk_char. char_type_node is shared with the appropriately |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
713 signed variant. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
714 for (i = itk_signed_char; i < itk_none; i++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
715 lto_record_common_node (&integer_types[i], &common_nodes, seen_nodes); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
716 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
717 for (i = 0; i < TYPE_KIND_LAST; i++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
718 lto_record_common_node (&sizetype_tab[i], &common_nodes, seen_nodes); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
719 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
720 for (i = 0; i < TI_MAX; i++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
721 lto_record_common_node (&global_trees[i], &common_nodes, seen_nodes); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
722 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
723 pointer_set_destroy (seen_nodes); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
724 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
725 return common_nodes; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
726 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
727 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
728 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
729 /* Assign an index to tree node T and enter it in the streamer cache |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
730 CACHE. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
731 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
732 static void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
733 preload_common_node (struct lto_streamer_cache_d *cache, tree t) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
734 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
735 gcc_assert (t); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
736 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
737 lto_streamer_cache_insert (cache, t, NULL, NULL); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
738 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
739 /* The FIELD_DECLs of structures should be shared, so that every |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
740 COMPONENT_REF uses the same tree node when referencing a field. |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
741 Pointer equality between FIELD_DECLs is used by the alias |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
742 machinery to compute overlapping memory references (See |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
743 nonoverlapping_component_refs_p). */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
744 if (TREE_CODE (t) == RECORD_TYPE) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
745 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
746 tree f; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
747 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
748 for (f = TYPE_FIELDS (t); f; f = TREE_CHAIN (f)) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
749 preload_common_node (cache, f); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
750 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
751 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
752 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
753 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
754 /* Create a cache of pickled nodes. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
755 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
756 struct lto_streamer_cache_d * |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
757 lto_streamer_cache_create (void) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
758 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
759 struct lto_streamer_cache_d *cache; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
760 VEC(tree, heap) *common_nodes; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
761 unsigned i; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
762 tree node; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
763 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
764 cache = XCNEW (struct lto_streamer_cache_d); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
765 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
766 cache->node_map = htab_create (101, tree_int_map_hash, tree_int_map_eq, NULL); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
767 |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
768 cache->node_map_entries = create_alloc_pool ("node map", |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
769 sizeof (struct tree_int_map), |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
770 100); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
771 |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
772 /* Load all the well-known tree nodes that are always created by |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
773 the compiler on startup. This prevents writing them out |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
774 unnecessarily. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
775 common_nodes = lto_get_common_nodes (); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
776 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
777 for (i = 0; VEC_iterate (tree, common_nodes, i, node); i++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
778 preload_common_node (cache, node); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
779 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
780 VEC_free(tree, heap, common_nodes); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
781 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
782 return cache; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
diff
changeset
|
783 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
784 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
785 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
786 /* Delete the streamer cache C. */ |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
787 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
788 void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
789 lto_streamer_cache_delete (struct lto_streamer_cache_d *c) |
77e2b8dfacca
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parents:
diff
changeset
|
790 { |
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update it from 4.4.3 to 4.5.0
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parents:
diff
changeset
|
791 if (c == NULL) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
792 return; |
77e2b8dfacca
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parents:
diff
changeset
|
793 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
diff
changeset
|
794 htab_delete (c->node_map); |
63
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
795 free_alloc_pool (c->node_map_entries); |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
796 VEC_free (tree, heap, c->nodes); |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
diff
changeset
|
797 VEC_free (unsigned, heap, c->offsets); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
798 free (c); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
799 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
800 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
diff
changeset
|
801 |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
802 #ifdef LTO_STREAMER_DEBUG |
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parents:
55
diff
changeset
|
803 static htab_t tree_htab; |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
804 |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
805 struct tree_hash_entry |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
806 { |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
807 tree key; |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
808 intptr_t value; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
809 }; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
810 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
811 static hashval_t |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
812 hash_tree (const void *p) |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
813 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
814 const struct tree_hash_entry *e = (const struct tree_hash_entry *) p; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
815 return htab_hash_pointer (e->key); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
816 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
817 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
818 static int |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
819 eq_tree (const void *p1, const void *p2) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
820 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
821 const struct tree_hash_entry *e1 = (const struct tree_hash_entry *) p1; |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
822 const struct tree_hash_entry *e2 = (const struct tree_hash_entry *) p2; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
823 return (e1->key == e2->key); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
824 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
825 #endif |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
826 |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
diff
changeset
|
827 /* Initialization common to the LTO reader and writer. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
828 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
829 void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
830 lto_streamer_init (void) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
831 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
832 /* Check that all the TS_* handled by the reader and writer routines |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
833 match exactly the structures defined in treestruct.def. When a |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
834 new TS_* astructure is added, the streamer should be updated to |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
835 handle it. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
836 check_handled_ts_structures (); |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
837 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
838 #ifdef LTO_STREAMER_DEBUG |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
839 tree_htab = htab_create (31, hash_tree, eq_tree, NULL); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
840 #endif |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
841 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
842 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
843 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
844 /* Gate function for all LTO streaming passes. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
845 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
846 bool |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
847 gate_lto_out (void) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
848 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
849 return ((flag_generate_lto || in_lto_p) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
850 /* Don't bother doing anything if the program has errors. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
851 && !(errorcount || sorrycount)); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
852 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
853 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
854 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
855 #ifdef LTO_STREAMER_DEBUG |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
856 /* Add a mapping between T and ORIG_T, which is the numeric value of |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
857 the original address of T as it was seen by the LTO writer. This |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
858 mapping is useful when debugging streaming problems. A debugging |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
859 session can be started on both reader and writer using ORIG_T |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
860 as a breakpoint value in both sessions. |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
861 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
862 Note that this mapping is transient and only valid while T is |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
863 being reconstructed. Once T is fully built, the mapping is |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
864 removed. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
865 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
866 void |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
867 lto_orig_address_map (tree t, intptr_t orig_t) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
diff
changeset
|
868 { |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
869 struct tree_hash_entry ent; |
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parents:
55
diff
changeset
|
870 struct tree_hash_entry **slot; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
871 |
b7f97abdc517
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parents:
55
diff
changeset
|
872 ent.key = t; |
b7f97abdc517
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parents:
55
diff
changeset
|
873 ent.value = orig_t; |
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parents:
55
diff
changeset
|
874 slot |
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55
diff
changeset
|
875 = (struct tree_hash_entry **) htab_find_slot (tree_htab, &ent, INSERT); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
876 gcc_assert (!*slot); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
877 *slot = XNEW (struct tree_hash_entry); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
878 **slot = ent; |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
879 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
880 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
881 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
882 /* Get the original address of T as it was seen by the writer. This |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
883 is only valid while T is being reconstructed. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
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|
884 |
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885 intptr_t |
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886 lto_orig_address_get (tree t) |
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887 { |
63
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888 struct tree_hash_entry ent; |
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889 struct tree_hash_entry **slot; |
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890 |
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891 ent.key = t; |
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892 slot |
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893 = (struct tree_hash_entry **) htab_find_slot (tree_htab, &ent, NO_INSERT); |
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894 return (slot ? (*slot)->value : 0); |
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895 } |
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896 |
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897 |
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898 /* Clear the mapping of T to its original address. */ |
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899 |
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900 void |
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901 lto_orig_address_remove (tree t) |
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902 { |
63
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903 struct tree_hash_entry ent; |
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904 struct tree_hash_entry **slot; |
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905 |
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906 ent.key = t; |
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907 slot |
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908 = (struct tree_hash_entry **) htab_find_slot (tree_htab, &ent, NO_INSERT); |
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909 gcc_assert (slot); |
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910 free (*slot); |
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911 htab_clear_slot (tree_htab, (PTR *)slot); |
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912 } |
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913 #endif |
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914 |
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915 |
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916 /* Check that the version MAJOR.MINOR is the correct version number. */ |
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917 |
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918 void |
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919 lto_check_version (int major, int minor) |
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920 { |
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921 if (major != LTO_major_version || minor != LTO_minor_version) |
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922 fatal_error ("bytecode stream generated with LTO version %d.%d instead " |
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923 "of the expected %d.%d", |
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924 major, minor, |
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925 LTO_major_version, LTO_minor_version); |
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926 } |