Mercurial > hg > CbC > CbC_gcc
annotate gcc/lto-streamer.c @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
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date | Tue, 22 Mar 2011 17:18:12 +0900 |
parents | b7f97abdc517 |
children | 04ced10e8804 |
rev | line source |
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55
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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" |
67
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32 #include "diagnostic-core.h" |
55
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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. For all |
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137 others it is ignored. The callee of this function is responsible |
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138 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, struct lto_file_decl_data *f) |
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142 { |
67
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143 const char *add; |
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144 char post[32]; |
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145 const char *sep; |
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146 |
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147 if (section_type == LTO_section_function_body) |
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148 { |
63
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149 gcc_assert (name != NULL); |
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150 if (name[0] == '*') |
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151 name++; |
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152 add = name; |
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153 sep = ""; |
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154 } |
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155 else if (section_type < LTO_N_SECTION_TYPES) |
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156 { |
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157 add = lto_section_name[section_type]; |
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158 sep = "."; |
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159 } |
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160 else |
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161 internal_error ("bytecode stream: unexpected LTO section %s", name); |
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162 |
67
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163 /* Make the section name unique so that ld -r combining sections |
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164 doesn't confuse the reader with merged sections. |
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165 |
67
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166 For options don't add a ID, the option reader cannot deal with them |
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167 and merging should be ok here. |
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168 |
67
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169 XXX: use crc64 to minimize collisions? */ |
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170 if (section_type == LTO_section_opts) |
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171 strcpy (post, ""); |
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172 else |
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173 sprintf (post, ".%x", f ? f->id : crc32_string(0, get_random_seed (false))); |
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174 return concat (LTO_SECTION_NAME_PREFIX, sep, add, post, NULL); |
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175 } |
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176 |
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177 |
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178 /* Show various memory usage statistics related to LTO. */ |
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179 |
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180 void |
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181 print_lto_report (void) |
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182 { |
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183 const char *s = (flag_lto) ? "LTO" : (flag_wpa) ? "WPA" : "LTRANS"; |
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184 unsigned i; |
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185 |
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186 fprintf (stderr, "%s statistics\n", s); |
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187 fprintf (stderr, "[%s] # of input files: " |
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188 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, lto_stats.num_input_files); |
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189 |
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190 fprintf (stderr, "[%s] # of input cgraph nodes: " |
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191 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, |
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192 lto_stats.num_input_cgraph_nodes); |
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193 |
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194 fprintf (stderr, "[%s] # of function bodies: " |
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195 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, |
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196 lto_stats.num_function_bodies); |
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197 |
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198 fprintf (stderr, "[%s] ", s); |
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199 print_gimple_types_stats (); |
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200 |
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201 for (i = 0; i < NUM_TREE_CODES; i++) |
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202 if (lto_stats.num_trees[i]) |
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203 fprintf (stderr, "[%s] # of '%s' objects read: " |
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204 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, |
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205 tree_code_name[i], lto_stats.num_trees[i]); |
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206 |
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207 if (flag_lto) |
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208 { |
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209 fprintf (stderr, "[%s] Compression: " |
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210 HOST_WIDE_INT_PRINT_UNSIGNED " output bytes, " |
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211 HOST_WIDE_INT_PRINT_UNSIGNED " compressed bytes", s, |
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212 lto_stats.num_output_il_bytes, |
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213 lto_stats.num_compressed_il_bytes); |
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214 if (lto_stats.num_output_il_bytes > 0) |
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215 { |
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216 const float dividend = (float) lto_stats.num_compressed_il_bytes; |
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217 const float divisor = (float) lto_stats.num_output_il_bytes; |
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218 fprintf (stderr, " (ratio: %f)", dividend / divisor); |
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219 } |
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220 fprintf (stderr, "\n"); |
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221 } |
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222 |
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223 if (flag_wpa) |
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224 { |
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225 fprintf (stderr, "[%s] # of output files: " |
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226 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, |
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227 lto_stats.num_output_files); |
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228 |
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229 fprintf (stderr, "[%s] # of output cgraph nodes: " |
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230 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, |
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231 lto_stats.num_output_cgraph_nodes); |
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232 |
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233 fprintf (stderr, "[%s] # callgraph partitions: " |
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234 HOST_WIDE_INT_PRINT_UNSIGNED "\n", s, |
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235 lto_stats.num_cgraph_partitions); |
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236 |
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237 fprintf (stderr, "[%s] Compression: " |
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238 HOST_WIDE_INT_PRINT_UNSIGNED " input bytes, " |
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239 HOST_WIDE_INT_PRINT_UNSIGNED " uncompressed bytes", s, |
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240 lto_stats.num_input_il_bytes, |
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241 lto_stats.num_uncompressed_il_bytes); |
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242 if (lto_stats.num_input_il_bytes > 0) |
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243 { |
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244 const float dividend = (float) lto_stats.num_uncompressed_il_bytes; |
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245 const float divisor = (float) lto_stats.num_input_il_bytes; |
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246 fprintf (stderr, " (ratio: %f)", dividend / divisor); |
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247 } |
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248 fprintf (stderr, "\n"); |
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249 } |
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250 |
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251 for (i = 0; i < LTO_N_SECTION_TYPES; i++) |
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252 fprintf (stderr, "[%s] Size of mmap'd section %s: " |
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253 HOST_WIDE_INT_PRINT_UNSIGNED " bytes\n", s, |
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254 lto_section_name[i], lto_stats.section_size[i]); |
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255 } |
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256 |
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257 |
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258 /* Check that all the TS_* structures handled by the lto_output_* and |
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259 lto_input_* routines are exactly ALL the structures defined in |
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260 treestruct.def. */ |
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261 |
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262 static void |
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263 check_handled_ts_structures (void) |
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264 { |
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265 bool handled_p[LAST_TS_ENUM]; |
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266 unsigned i; |
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267 |
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268 memset (&handled_p, 0, sizeof (handled_p)); |
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269 |
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270 /* These are the TS_* structures that are either handled or |
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271 explicitly ignored by the streamer routines. */ |
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272 handled_p[TS_BASE] = true; |
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273 handled_p[TS_COMMON] = true; |
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274 handled_p[TS_INT_CST] = true; |
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275 handled_p[TS_REAL_CST] = true; |
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276 handled_p[TS_FIXED_CST] = true; |
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277 handled_p[TS_VECTOR] = true; |
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278 handled_p[TS_STRING] = true; |
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279 handled_p[TS_COMPLEX] = true; |
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280 handled_p[TS_IDENTIFIER] = true; |
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281 handled_p[TS_DECL_MINIMAL] = true; |
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282 handled_p[TS_DECL_COMMON] = true; |
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283 handled_p[TS_DECL_WRTL] = true; |
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284 handled_p[TS_DECL_NON_COMMON] = true; |
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285 handled_p[TS_DECL_WITH_VIS] = true; |
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286 handled_p[TS_FIELD_DECL] = true; |
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287 handled_p[TS_VAR_DECL] = true; |
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288 handled_p[TS_PARM_DECL] = true; |
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289 handled_p[TS_LABEL_DECL] = true; |
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290 handled_p[TS_RESULT_DECL] = true; |
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291 handled_p[TS_CONST_DECL] = true; |
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292 handled_p[TS_TYPE_DECL] = true; |
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293 handled_p[TS_FUNCTION_DECL] = true; |
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294 handled_p[TS_TYPE] = true; |
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295 handled_p[TS_LIST] = true; |
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296 handled_p[TS_VEC] = true; |
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297 handled_p[TS_EXP] = true; |
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298 handled_p[TS_SSA_NAME] = true; |
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299 handled_p[TS_BLOCK] = true; |
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300 handled_p[TS_BINFO] = true; |
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301 handled_p[TS_STATEMENT_LIST] = true; |
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302 handled_p[TS_CONSTRUCTOR] = true; |
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303 handled_p[TS_OMP_CLAUSE] = true; |
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304 handled_p[TS_OPTIMIZATION] = true; |
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305 handled_p[TS_TARGET_OPTION] = true; |
67
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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306 handled_p[TS_TRANSLATION_UNIT_DECL] = true; |
55
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307 |
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308 /* Anything not marked above will trigger the following assertion. |
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309 If this assertion triggers, it means that there is a new TS_* |
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310 structure that should be handled by the streamer. */ |
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311 for (i = 0; i < LAST_TS_ENUM; i++) |
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312 gcc_assert (handled_p[i]); |
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313 } |
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314 |
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315 |
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316 /* 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:
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317 slot IX. Add OFFSET to CACHE->OFFSETS at slot IX. */ |
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318 |
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parents:
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319 static void |
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320 lto_streamer_cache_add_to_node_array (struct lto_streamer_cache_d *cache, |
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321 int ix, tree t, unsigned offset) |
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parents:
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|
322 { |
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323 gcc_assert (ix >= 0); |
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324 |
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325 /* Grow the array of nodes and offsets to accomodate T at IX. */ |
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326 if (ix >= (int) VEC_length (tree, cache->nodes)) |
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327 { |
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328 size_t sz = ix + (20 + ix) / 4; |
63
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329 VEC_safe_grow_cleared (tree, heap, cache->nodes, sz); |
55
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330 VEC_safe_grow_cleared (unsigned, heap, cache->offsets, sz); |
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331 } |
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332 |
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333 VEC_replace (tree, cache->nodes, ix, t); |
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334 VEC_replace (unsigned, cache->offsets, ix, offset); |
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335 } |
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336 |
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337 |
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338 /* Helper for lto_streamer_cache_insert and lto_streamer_cache_insert_at. |
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339 CACHE, T, IX_P and OFFSET_P are as in lto_streamer_cache_insert. |
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340 |
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341 If INSERT_AT_NEXT_SLOT_P is true, T is inserted at the next available |
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342 slot in the cache. Otherwise, T is inserted at the position indicated |
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343 in *IX_P. |
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344 |
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345 If T already existed in CACHE, return true. Otherwise, |
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346 return false. */ |
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347 |
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348 static bool |
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349 lto_streamer_cache_insert_1 (struct lto_streamer_cache_d *cache, |
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350 tree t, int *ix_p, unsigned *offset_p, |
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351 bool insert_at_next_slot_p) |
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352 { |
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353 void **slot; |
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354 struct tree_int_map d_entry, *entry; |
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355 int ix; |
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356 unsigned offset; |
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357 bool existed_p; |
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358 |
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359 gcc_assert (t); |
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360 |
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361 d_entry.base.from = t; |
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362 slot = htab_find_slot (cache->node_map, &d_entry, INSERT); |
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363 if (*slot == NULL) |
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364 { |
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365 /* Determine the next slot to use in the cache. */ |
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366 if (insert_at_next_slot_p) |
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367 ix = cache->next_slot++; |
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368 else |
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369 ix = *ix_p; |
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370 |
63
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371 entry = (struct tree_int_map *)pool_alloc (cache->node_map_entries); |
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372 entry->base.from = t; |
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373 entry->to = (unsigned) ix; |
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374 *slot = entry; |
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375 |
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376 /* If no offset was given, store the invalid offset -1. */ |
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377 offset = (offset_p) ? *offset_p : (unsigned) -1; |
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378 |
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379 lto_streamer_cache_add_to_node_array (cache, ix, t, offset); |
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380 |
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381 /* Indicate that the item was not present in the cache. */ |
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382 existed_p = false; |
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383 } |
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384 else |
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385 { |
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386 entry = (struct tree_int_map *) *slot; |
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387 ix = (int) entry->to; |
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388 offset = VEC_index (unsigned, cache->offsets, ix); |
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389 |
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390 if (!insert_at_next_slot_p && ix != *ix_p) |
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391 { |
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392 /* If the caller wants to insert T at a specific slot |
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393 location, and ENTRY->TO does not match *IX_P, add T to |
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394 the requested location slot. This situation arises when |
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395 streaming builtin functions. |
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396 |
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397 For instance, on the writer side we could have two |
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398 FUNCTION_DECLS T1 and T2 that are represented by the same |
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399 builtin function. The reader will only instantiate the |
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400 canonical builtin, but since T1 and T2 had been |
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401 originally stored in different cache slots (S1 and S2), |
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402 the reader must be able to find the canonical builtin |
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403 function at slots S1 and S2. */ |
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|
404 gcc_assert (lto_stream_as_builtin_p (t)); |
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parents:
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|
405 ix = *ix_p; |
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|
406 |
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407 /* Since we are storing a builtin, the offset into the |
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408 stream is not necessary as we will not need to read |
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|
409 forward in the stream. */ |
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parents:
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|
410 lto_streamer_cache_add_to_node_array (cache, ix, t, -1); |
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parents:
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|
411 } |
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|
412 |
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|
413 /* Indicate that T was already in the cache. */ |
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414 existed_p = true; |
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|
415 } |
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|
416 |
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|
417 if (ix_p) |
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418 *ix_p = ix; |
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|
419 |
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|
420 if (offset_p) |
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|
421 *offset_p = offset; |
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|
422 |
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423 return existed_p; |
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parents:
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|
424 } |
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|
425 |
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|
426 |
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parents:
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|
427 /* Insert tree node T in CACHE. If T already existed in the cache |
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parents:
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|
428 return true. Otherwise, return false. |
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parents:
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|
429 |
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parents:
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|
430 If IX_P is non-null, update it with the index into the cache where |
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parents:
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|
431 T has been stored. |
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|
432 |
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parents:
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|
433 *OFFSET_P represents the offset in the stream where T is physically |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
434 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
|
435 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
|
436 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
|
437 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
|
438 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
439 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
|
440 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
441 bool |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
442 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
|
443 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
|
444 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
445 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
|
446 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
447 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
448 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
449 /* 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
|
450 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
|
451 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
452 bool |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
453 lto_streamer_cache_insert_at (struct lto_streamer_cache_d *cache, |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
454 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
|
455 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
456 return lto_streamer_cache_insert_1 (cache, t, &ix, NULL, false); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
457 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
458 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
459 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
460 /* 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
|
461 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
|
462 (-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
|
463 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
464 bool |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
465 lto_streamer_cache_lookup (struct lto_streamer_cache_d *cache, tree t, |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
466 int *ix_p) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
467 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
468 void **slot; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
469 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
|
470 bool retval; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
471 int ix; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
472 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
473 gcc_assert (t); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
474 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
475 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
|
476 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
|
477 if (slot == NULL) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
478 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
479 retval = false; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
480 ix = -1; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
481 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
482 else |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
483 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
484 retval = true; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
485 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
|
486 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
487 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
488 if (ix_p) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
489 *ix_p = ix; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
490 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
491 return retval; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
492 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
493 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
494 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
495 /* 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
|
496 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
497 tree |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
498 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
|
499 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
500 gcc_assert (cache); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
501 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
502 /* 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
|
503 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
|
504 that. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
505 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
|
506 return NULL_TREE; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
507 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
508 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
|
509 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
510 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
511 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
512 /* 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
|
513 SEEN_NODES. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
514 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
515 static void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
516 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
|
517 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
|
518 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
519 tree node = *nodep; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
520 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
521 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
|
522 return; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
523 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
524 if (TYPE_P (node)) |
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
525 { |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
526 /* Type merging will get confused by the canonical types as they |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
527 are set by the middle-end. */ |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
528 if (in_lto_p) |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
529 TYPE_CANONICAL (node) = NULL_TREE; |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
530 node = gimple_register_type (node); |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
531 TYPE_CANONICAL (node) = gimple_register_canonical_type (node); |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
532 *nodep = node; |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
533 } |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
534 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
535 /* 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
|
536 if (pointer_set_insert (seen_nodes, node)) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
537 return; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
538 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
539 VEC_safe_push (tree, heap, *common_nodes, node); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
540 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
541 if (tree_node_can_be_shared (node)) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
542 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
543 if (POINTER_TYPE_P (node) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
544 || TREE_CODE (node) == COMPLEX_TYPE |
77e2b8dfacca
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|
545 || TREE_CODE (node) == ARRAY_TYPE) |
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parents:
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|
546 lto_record_common_node (&TREE_TYPE (node), common_nodes, seen_nodes); |
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parents:
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|
547 } |
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parents:
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|
548 } |
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parents:
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549 |
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parents:
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|
550 |
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parents:
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551 /* Generate a vector of common nodes and make sure they are merged |
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parents:
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552 properly according to the the gimple type table. */ |
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parents:
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|
553 |
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parents:
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554 static VEC(tree,heap) * |
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parents:
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555 lto_get_common_nodes (void) |
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parents:
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|
556 { |
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parents:
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557 unsigned i; |
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parents:
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558 VEC(tree,heap) *common_nodes = NULL; |
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559 struct pointer_set_t *seen_nodes; |
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parents:
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|
560 |
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parents:
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561 /* The MAIN_IDENTIFIER_NODE is normally set up by the front-end, but the |
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parents:
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562 LTO back-end must agree. Currently, the only languages that set this |
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parents:
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563 use the name "main". */ |
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parents:
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564 if (main_identifier_node) |
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parents:
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|
565 { |
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566 const char *main_name = IDENTIFIER_POINTER (main_identifier_node); |
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parents:
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567 gcc_assert (strcmp (main_name, "main") == 0); |
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parents:
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|
568 } |
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parents:
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|
569 else |
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parents:
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570 main_identifier_node = get_identifier ("main"); |
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parents:
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571 |
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572 gcc_assert (ptrdiff_type_node == integer_type_node); |
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parents:
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|
573 |
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parents:
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574 /* FIXME lto. In the C++ front-end, fileptr_type_node is defined as a |
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575 variant copy of of ptr_type_node, rather than ptr_node itself. The |
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576 distinction should only be relevant to the front-end, so we always |
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parents:
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577 use the C definition here in lto1. |
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parents:
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|
578 |
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parents:
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|
579 These should be assured in pass_ipa_free_lang_data. */ |
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parents:
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changeset
|
580 gcc_assert (fileptr_type_node == ptr_type_node); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
581 gcc_assert (TYPE_MAIN_VARIANT (fileptr_type_node) == ptr_type_node); |
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parents:
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changeset
|
582 |
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parents:
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|
583 seen_nodes = pointer_set_create (); |
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parents:
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|
584 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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585 /* Skip itk_char. char_type_node is shared with the appropriately |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
586 signed variant. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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587 for (i = itk_signed_char; i < itk_none; i++) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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588 lto_record_common_node (&integer_types[i], &common_nodes, seen_nodes); |
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parents:
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|
589 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
590 for (i = 0; i < TYPE_KIND_LAST; i++) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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591 lto_record_common_node (&sizetype_tab[i], &common_nodes, seen_nodes); |
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parents:
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|
592 |
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parents:
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593 for (i = 0; i < TI_MAX; i++) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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594 lto_record_common_node (&global_trees[i], &common_nodes, seen_nodes); |
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parents:
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|
595 |
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parents:
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|
596 pointer_set_destroy (seen_nodes); |
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parents:
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|
597 |
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parents:
diff
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|
598 return common_nodes; |
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parents:
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|
599 } |
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parents:
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|
600 |
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parents:
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changeset
|
601 |
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parents:
diff
changeset
|
602 /* Assign an index to tree node T and enter it in the streamer cache |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
603 CACHE. */ |
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parents:
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changeset
|
604 |
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parents:
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|
605 static void |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
606 preload_common_node (struct lto_streamer_cache_d *cache, tree t) |
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parents:
diff
changeset
|
607 { |
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parents:
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changeset
|
608 gcc_assert (t); |
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parents:
diff
changeset
|
609 |
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parents:
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|
610 lto_streamer_cache_insert (cache, t, NULL, NULL); |
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parents:
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changeset
|
611 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
612 /* The FIELD_DECLs of structures should be shared, so that every |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
613 COMPONENT_REF uses the same tree node when referencing a field. |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
614 Pointer equality between FIELD_DECLs is used by the alias |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
615 machinery to compute overlapping memory references (See |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
616 nonoverlapping_component_refs_p). */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
617 if (TREE_CODE (t) == RECORD_TYPE) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
618 { |
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parents:
diff
changeset
|
619 tree f; |
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parents:
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changeset
|
620 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
621 for (f = TYPE_FIELDS (t); f; f = TREE_CHAIN (f)) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
622 preload_common_node (cache, f); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
623 } |
77e2b8dfacca
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parents:
diff
changeset
|
624 } |
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parents:
diff
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|
625 |
77e2b8dfacca
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parents:
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changeset
|
626 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
627 /* Create a cache of pickled nodes. */ |
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parents:
diff
changeset
|
628 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
629 struct lto_streamer_cache_d * |
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parents:
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changeset
|
630 lto_streamer_cache_create (void) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
631 { |
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parents:
diff
changeset
|
632 struct lto_streamer_cache_d *cache; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
633 VEC(tree, heap) *common_nodes; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
634 unsigned i; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
635 tree node; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
636 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
637 cache = XCNEW (struct lto_streamer_cache_d); |
77e2b8dfacca
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parents:
diff
changeset
|
638 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
639 cache->node_map = htab_create (101, tree_int_map_hash, tree_int_map_eq, NULL); |
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parents:
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changeset
|
640 |
63
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
641 cache->node_map_entries = create_alloc_pool ("node map", |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
642 sizeof (struct tree_int_map), |
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parents:
55
diff
changeset
|
643 100); |
b7f97abdc517
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parents:
55
diff
changeset
|
644 |
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
645 /* Load all the well-known tree nodes that are always created by |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
646 the compiler on startup. This prevents writing them out |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
647 unnecessarily. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
648 common_nodes = lto_get_common_nodes (); |
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parents:
diff
changeset
|
649 |
67
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
650 FOR_EACH_VEC_ELT (tree, common_nodes, i, node) |
55
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parents:
diff
changeset
|
651 preload_common_node (cache, node); |
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parents:
diff
changeset
|
652 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
653 VEC_free(tree, heap, common_nodes); |
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parents:
diff
changeset
|
654 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
655 return cache; |
77e2b8dfacca
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parents:
diff
changeset
|
656 } |
77e2b8dfacca
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parents:
diff
changeset
|
657 |
77e2b8dfacca
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parents:
diff
changeset
|
658 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
659 /* Delete the streamer cache C. */ |
77e2b8dfacca
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parents:
diff
changeset
|
660 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
661 void |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
662 lto_streamer_cache_delete (struct lto_streamer_cache_d *c) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
663 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
664 if (c == NULL) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
665 return; |
77e2b8dfacca
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parents:
diff
changeset
|
666 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
667 htab_delete (c->node_map); |
63
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parents:
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diff
changeset
|
668 free_alloc_pool (c->node_map_entries); |
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parents:
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diff
changeset
|
669 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
|
670 VEC_free (unsigned, heap, c->offsets); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
671 free (c); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
672 } |
77e2b8dfacca
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parents:
diff
changeset
|
673 |
77e2b8dfacca
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parents:
diff
changeset
|
674 |
63
b7f97abdc517
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parents:
55
diff
changeset
|
675 #ifdef LTO_STREAMER_DEBUG |
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parents:
55
diff
changeset
|
676 static htab_t tree_htab; |
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diff
changeset
|
677 |
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diff
changeset
|
678 struct tree_hash_entry |
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parents:
55
diff
changeset
|
679 { |
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parents:
55
diff
changeset
|
680 tree key; |
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parents:
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diff
changeset
|
681 intptr_t value; |
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diff
changeset
|
682 }; |
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diff
changeset
|
683 |
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diff
changeset
|
684 static hashval_t |
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diff
changeset
|
685 hash_tree (const void *p) |
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parents:
55
diff
changeset
|
686 { |
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diff
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|
687 const struct tree_hash_entry *e = (const struct tree_hash_entry *) p; |
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parents:
55
diff
changeset
|
688 return htab_hash_pointer (e->key); |
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parents:
55
diff
changeset
|
689 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
690 |
b7f97abdc517
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parents:
55
diff
changeset
|
691 static int |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
692 eq_tree (const void *p1, const void *p2) |
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parents:
55
diff
changeset
|
693 { |
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parents:
55
diff
changeset
|
694 const struct tree_hash_entry *e1 = (const struct tree_hash_entry *) p1; |
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parents:
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diff
changeset
|
695 const struct tree_hash_entry *e2 = (const struct tree_hash_entry *) p2; |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
696 return (e1->key == e2->key); |
b7f97abdc517
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parents:
55
diff
changeset
|
697 } |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
698 #endif |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
699 |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
700 /* 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
|
701 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
702 void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
703 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
|
704 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
705 /* 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
|
706 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
|
707 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
|
708 handle it. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
709 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
|
710 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
711 #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
|
712 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
|
713 #endif |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
714 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
715 |
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 /* 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
|
718 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
719 bool |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
720 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
|
721 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
722 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
|
723 /* Don't bother doing anything if the program has errors. */ |
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
724 && !seen_error ()); |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
725 } |
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 #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
|
729 /* 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
|
730 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
|
731 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
|
732 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
|
733 as a breakpoint value in both sessions. |
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 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
|
736 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
|
737 removed. */ |
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 void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
740 lto_orig_address_map (tree t, intptr_t orig_t) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
741 { |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
742 struct tree_hash_entry ent; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
743 struct tree_hash_entry **slot; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
744 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
745 ent.key = t; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
746 ent.value = orig_t; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
747 slot |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
748 = (struct tree_hash_entry **) htab_find_slot (tree_htab, &ent, INSERT); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
749 gcc_assert (!*slot); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
750 *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
|
751 **slot = ent; |
55
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 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
755 /* 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
|
756 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
changeset
|
757 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
758 intptr_t |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
759 lto_orig_address_get (tree t) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
760 { |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
761 struct tree_hash_entry ent; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
762 struct tree_hash_entry **slot; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
763 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
764 ent.key = t; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
765 slot |
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766 = (struct tree_hash_entry **) htab_find_slot (tree_htab, &ent, NO_INSERT); |
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767 return (slot ? (*slot)->value : 0); |
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768 } |
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769 |
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770 |
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771 /* Clear the mapping of T to its original address. */ |
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772 |
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773 void |
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774 lto_orig_address_remove (tree t) |
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775 { |
63
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776 struct tree_hash_entry ent; |
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777 struct tree_hash_entry **slot; |
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778 |
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779 ent.key = t; |
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780 slot |
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781 = (struct tree_hash_entry **) htab_find_slot (tree_htab, &ent, NO_INSERT); |
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782 gcc_assert (slot); |
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783 free (*slot); |
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784 htab_clear_slot (tree_htab, (PTR *)slot); |
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785 } |
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786 #endif |
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parents:
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|
787 |
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parents:
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|
788 |
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789 /* Check that the version MAJOR.MINOR is the correct version number. */ |
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|
790 |
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changeset
|
791 void |
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parents:
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|
792 lto_check_version (int major, int minor) |
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parents:
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|
793 { |
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794 if (major != LTO_major_version || minor != LTO_minor_version) |
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795 fatal_error ("bytecode stream generated with LTO version %d.%d instead " |
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parents:
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|
796 "of the expected %d.%d", |
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|
797 major, minor, |
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|
798 LTO_major_version, LTO_minor_version); |
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parents:
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changeset
|
799 } |