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111
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1 /* HSAIL and BRIG related macros and definitions.
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145
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2 Copyright (C) 2013-2020 Free Software Foundation, Inc.
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111
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 3, or (at your option)
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9 any later version.
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10
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11 GCC is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 #ifndef HSA_H
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21 #define HSA_H
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22
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23 #include "hsa-brig-format.h"
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24 #include "is-a.h"
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25 #include "predict.h"
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26 #include "tree.h"
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27 #include "vec.h"
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28 #include "hash-table.h"
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29 #include "basic-block.h"
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30 #include "bitmap.h"
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31
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32
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33 /* Return true if the compiler should produce HSAIL. */
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34
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35 static inline bool
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36 hsa_gen_requested_p (void)
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37 {
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38 #ifndef ENABLE_HSA
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39 return false;
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40 #endif
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41 return !flag_disable_hsa;
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42 }
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43
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44 /* Standard warning message if we failed to generate HSAIL for a function. */
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45
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46 #define HSA_SORRY_MSG "could not emit HSAIL for the function"
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47
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48 class hsa_op_immed;
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49 class hsa_op_cst_list;
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50 class hsa_insn_basic;
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51 class hsa_op_address;
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52 class hsa_op_reg;
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53 class hsa_bb;
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54
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55 /* Class representing an input argument, output argument (result) or a
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56 variable, that will eventually end up being a symbol directive. */
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57
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145
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58 class hsa_symbol
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111
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59 {
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145
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60 public:
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111
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61 /* Constructor. */
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62 hsa_symbol (BrigType16_t type, BrigSegment8_t segment,
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63 BrigLinkage8_t linkage, bool global_scope_p = false,
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64 BrigAllocation allocation = BRIG_ALLOCATION_AUTOMATIC,
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65 BrigAlignment8_t align = BRIG_ALIGNMENT_8);
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66
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67 /* Return total size of the symbol. */
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68 unsigned HOST_WIDE_INT total_byte_size ();
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69
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70 /* Fill in those values into the symbol according to DECL, which are
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71 determined independently from whether it is parameter, result,
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72 or a variable, local or global. */
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73 void fillup_for_decl (tree decl);
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74
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75 /* Pointer to the original tree, which is PARM_DECL for input parameters and
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76 RESULT_DECL for the output parameters. Also can be CONST_DECL for Fortran
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77 constants which need to be put into readonly segment. */
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78 tree m_decl;
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79
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80 /* Name of the symbol, that will be written into output and dumps. Can be
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81 NULL, see name_number below. */
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82 const char *m_name;
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83
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84 /* If name is NULL, artificial name will be formed from the segment name and
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85 this number. */
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86 int m_name_number;
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87
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88 /* Once written, this is the offset of the associated symbol directive. Zero
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89 means the symbol has not been written yet. */
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90 unsigned m_directive_offset;
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91
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92 /* HSA type of the parameter. */
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93 BrigType16_t m_type;
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94
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95 /* The HSA segment this will eventually end up in. */
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96 BrigSegment8_t m_segment;
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97
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98 /* The HSA kind of linkage. */
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99 BrigLinkage8_t m_linkage;
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100
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101 /* Array dimension, if non-zero. */
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102 unsigned HOST_WIDE_INT m_dim;
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103
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104 /* Constant value, used for string constants. */
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105 hsa_op_immed *m_cst_value;
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106
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107 /* Is in global scope. */
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108 bool m_global_scope_p;
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109
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110 /* True if an error has been seen for the symbol. */
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111 bool m_seen_error;
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112
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113 /* Symbol allocation. */
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114 BrigAllocation m_allocation;
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115
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116 /* Flag used for global variables if a variable is already emitted or not. */
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117 bool m_emitted_to_brig;
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118
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119 /* Alignment of the symbol. */
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120 BrigAlignment8_t m_align;
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121
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122 private:
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123 /* Default constructor. */
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124 hsa_symbol ();
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125 };
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126
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127 /* Abstract class for HSA instruction operands. */
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128
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129 class hsa_op_base
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130 {
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131 public:
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132 /* Next operand scheduled to be written when writing BRIG operand
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133 section. */
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134 hsa_op_base *m_next;
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135
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136 /* Offset to which the associated operand structure will be written. Zero if
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137 yet not scheduled for writing. */
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138 unsigned m_brig_op_offset;
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139
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140 /* The type of a particular operand. */
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141 BrigKind16_t m_kind;
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142
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143 protected:
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144 hsa_op_base (BrigKind16_t k);
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145 private:
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146 /* Make the default constructor inaccessible. */
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147 hsa_op_base () {}
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148 };
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149
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150 /* Common abstract ancestor for operands which have a type. */
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151
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152 class hsa_op_with_type : public hsa_op_base
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153 {
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154 public:
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155 /* The type. */
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156 BrigType16_t m_type;
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157
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158 /* Convert an operand to a destination type DTYPE and attach insns
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159 to HBB if needed. */
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160 hsa_op_with_type *get_in_type (BrigType16_t dtype, hsa_bb *hbb);
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161 /* If this operand has integer type smaller than 32 bits, extend it to 32
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162 bits, adding instructions to HBB if needed. */
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163 hsa_op_with_type *extend_int_to_32bit (hsa_bb *hbb);
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164
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165 protected:
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166 hsa_op_with_type (BrigKind16_t k, BrigType16_t t);
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167 private:
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168 /* Make the default constructor inaccessible. */
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169 hsa_op_with_type () : hsa_op_base (BRIG_KIND_NONE) {}
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170 };
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171
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172 /* An immediate HSA operand. */
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173
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174 class hsa_op_immed : public hsa_op_with_type
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175 {
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176 public:
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177 hsa_op_immed (tree tree_val, bool min32int = true);
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178 hsa_op_immed (HOST_WIDE_INT int_value, BrigType16_t type);
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179 void *operator new (size_t);
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180 ~hsa_op_immed ();
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181 void set_type (BrigKind16_t t);
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182
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183 /* Function returns pointer to a buffer that contains binary representation
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184 of the immeadiate value. The buffer has length of BRIG_SIZE and
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185 a caller is responsible for deallocation of the buffer. */
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186 char *emit_to_buffer (unsigned *brig_size);
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187
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188 /* Value as represented by middle end. */
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189 tree m_tree_value;
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190
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191 /* Integer value representation. */
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192 HOST_WIDE_INT m_int_value;
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193
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194 private:
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195 /* Make the default constructor inaccessible. */
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196 hsa_op_immed ();
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197 /* All objects are deallocated by destroying their pool, so make delete
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198 inaccessible too. */
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199 void operator delete (void *) {}
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200 };
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201
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202 /* Report whether or not P is a an immediate operand. */
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203
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204 template <>
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205 template <>
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206 inline bool
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207 is_a_helper <hsa_op_immed *>::test (hsa_op_base *p)
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208 {
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209 return p->m_kind == BRIG_KIND_OPERAND_CONSTANT_BYTES;
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210 }
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211
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212 /* Likewise, but for a more specified base. */
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213
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214 template <>
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215 template <>
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216 inline bool
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217 is_a_helper <hsa_op_immed *>::test (hsa_op_with_type *p)
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218 {
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219 return p->m_kind == BRIG_KIND_OPERAND_CONSTANT_BYTES;
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220 }
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221
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222
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223 /* HSA register operand. */
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224
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225 class hsa_op_reg : public hsa_op_with_type
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226 {
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227 friend class hsa_insn_basic;
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228 friend class hsa_insn_phi;
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229 public:
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230 hsa_op_reg (BrigType16_t t);
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231 void *operator new (size_t);
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232
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233 /* Verify register operand. */
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234 void verify_ssa ();
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235
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236 /* If NON-NULL, gimple SSA that we come from. NULL if none. */
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237 tree m_gimple_ssa;
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238
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239 /* Defining instruction while still in the SSA. */
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240 hsa_insn_basic *m_def_insn;
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241
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242 /* If the register allocator decides to spill the register, this is the
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243 appropriate spill symbol. */
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244 hsa_symbol *m_spill_sym;
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245
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246 /* Number of this register structure in the order in which they were
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247 allocated. */
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248 int m_order;
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249 int m_lr_begin, m_lr_end;
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250
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251 /* Zero if the register is not yet allocated. After, allocation, this must
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252 be 'c', 's', 'd' or 'q'. */
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253 char m_reg_class;
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254 /* If allocated, the number of the HW register (within its HSA register
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255 class). */
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256 char m_hard_num;
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257
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258 private:
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259 /* Make the default constructor inaccessible. */
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260 hsa_op_reg () : hsa_op_with_type (BRIG_KIND_NONE, BRIG_TYPE_NONE) {}
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261 /* All objects are deallocated by destroying their pool, so make delete
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262 inaccessible too. */
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263 void operator delete (void *) {}
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264 /* Set definition where the register is defined. */
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265 void set_definition (hsa_insn_basic *insn);
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266 /* Uses of the value while still in SSA. */
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267 auto_vec <hsa_insn_basic *> m_uses;
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268 };
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269
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270 /* Report whether or not P is a register operand. */
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271
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272 template <>
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273 template <>
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274 inline bool
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275 is_a_helper <hsa_op_reg *>::test (hsa_op_base *p)
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276 {
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277 return p->m_kind == BRIG_KIND_OPERAND_REGISTER;
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278 }
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279
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280 /* Report whether or not P is a register operand. */
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281
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282 template <>
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283 template <>
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284 inline bool
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285 is_a_helper <hsa_op_reg *>::test (hsa_op_with_type *p)
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286 {
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287 return p->m_kind == BRIG_KIND_OPERAND_REGISTER;
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288 }
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289
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290 /* An address HSA operand. */
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291
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292 class hsa_op_address : public hsa_op_base
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293 {
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294 public:
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295 /* set up a new address operand consisting of base symbol SYM, register R and
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296 immediate OFFSET. If the machine model is not large and offset is 64 bit,
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297 the upper, 32 bits have to be zero. */
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298 hsa_op_address (hsa_symbol *sym, hsa_op_reg *reg,
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299 HOST_WIDE_INT offset = 0);
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300
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301 void *operator new (size_t);
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302
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303 /* Set up a new address operand consisting of base symbol SYM and
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304 immediate OFFSET. If the machine model is not large and offset is 64 bit,
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305 the upper, 32 bits have to be zero. */
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306 hsa_op_address (hsa_symbol *sym, HOST_WIDE_INT offset = 0);
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307
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308 /* Set up a new address operand consisting of register R and
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309 immediate OFFSET. If the machine model is not large and offset is 64 bit,
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310 the upper, 32 bits have to be zero. */
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311 hsa_op_address (hsa_op_reg *reg, HOST_WIDE_INT offset = 0);
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312
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313 /* Symbol base of the address. Can be NULL if there is none. */
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314 hsa_symbol *m_symbol;
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315
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316 /* Register offset. Can be NULL if there is none. */
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317 hsa_op_reg *m_reg;
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318
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319 /* Immediate byte offset. */
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320 HOST_WIDE_INT m_imm_offset;
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321
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322 private:
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323 /* Make the default constructor inaccessible. */
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324 hsa_op_address () : hsa_op_base (BRIG_KIND_NONE) {}
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325 /* All objects are deallocated by destroying their pool, so make delete
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326 inaccessible too. */
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327 void operator delete (void *) {}
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328 };
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329
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330 /* Report whether or not P is an address operand. */
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331
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332 template <>
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333 template <>
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334 inline bool
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335 is_a_helper <hsa_op_address *>::test (hsa_op_base *p)
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336 {
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337 return p->m_kind == BRIG_KIND_OPERAND_ADDRESS;
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338 }
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339
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340 /* A reference to code HSA operand. It can be either reference
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341 to a start of a BB or a start of a function. */
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342
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343 class hsa_op_code_ref : public hsa_op_base
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344 {
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345 public:
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346 hsa_op_code_ref ();
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347
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348 /* Offset in the code section that this refers to. */
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349 unsigned m_directive_offset;
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350 };
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351
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352 /* Report whether or not P is a code reference operand. */
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353
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354 template <>
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355 template <>
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356 inline bool
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357 is_a_helper <hsa_op_code_ref *>::test (hsa_op_base *p)
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358 {
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359 return p->m_kind == BRIG_KIND_OPERAND_CODE_REF;
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360 }
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361
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362 /* Code list HSA operand. */
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363
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364 class hsa_op_code_list: public hsa_op_base
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365 {
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366 public:
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367 hsa_op_code_list (unsigned elements);
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368 void *operator new (size_t);
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369
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370 /* Offset to variable-sized array in hsa_data section, where
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371 are offsets to entries in the hsa_code section. */
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372 auto_vec<unsigned> m_offsets;
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373 private:
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374 /* Make the default constructor inaccessible. */
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375 hsa_op_code_list () : hsa_op_base (BRIG_KIND_NONE) {}
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376 /* All objects are deallocated by destroying their pool, so make delete
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377 inaccessible too. */
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378 void operator delete (void *) {}
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379 };
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380
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381 /* Report whether or not P is a code list operand. */
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382
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383 template <>
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384 template <>
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385 inline bool
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386 is_a_helper <hsa_op_code_list *>::test (hsa_op_base *p)
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387 {
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388 return p->m_kind == BRIG_KIND_OPERAND_CODE_LIST;
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389 }
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390
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391 /* Operand list HSA operand. */
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392
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393 class hsa_op_operand_list: public hsa_op_base
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394 {
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395 public:
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396 hsa_op_operand_list (unsigned elements);
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397 ~hsa_op_operand_list ();
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398 void *operator new (size_t);
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399
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400 /* Offset to variable-sized array in hsa_data section, where
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401 are offsets to entries in the hsa_code section. */
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402 auto_vec<unsigned> m_offsets;
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403 private:
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404 /* Make the default constructor inaccessible. */
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405 hsa_op_operand_list () : hsa_op_base (BRIG_KIND_NONE) {}
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406 /* All objects are deallocated by destroying their pool, so make delete
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407 inaccessible too. */
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408 void operator delete (void *) {}
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409 };
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410
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411 /* Report whether or not P is a code list operand. */
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412
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413 template <>
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414 template <>
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415 inline bool
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416 is_a_helper <hsa_op_operand_list *>::test (hsa_op_base *p)
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417 {
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418 return p->m_kind == BRIG_KIND_OPERAND_OPERAND_LIST;
|
|
|
419 }
|
|
|
420
|
|
|
421 /* Opcodes of instructions that are not part of HSA but that we use to
|
|
|
422 represent it nevertheless. */
|
|
|
423
|
|
|
424 #define HSA_OPCODE_PHI (-1)
|
|
|
425 #define HSA_OPCODE_ARG_BLOCK (-2)
|
|
|
426
|
|
|
427 /* The number of operand pointers we can directly in an instruction. */
|
|
|
428 #define HSA_BRIG_INT_STORAGE_OPERANDS 5
|
|
|
429
|
|
|
430 /* Class representing an HSA instruction. Unlike typical ancestors for
|
|
|
431 specialized classes, this one is also directly used for all instructions
|
|
|
432 that are then represented as BrigInstBasic. */
|
|
|
433
|
|
|
434 class hsa_insn_basic
|
|
|
435 {
|
|
|
436 public:
|
|
|
437 hsa_insn_basic (unsigned nops, int opc);
|
|
|
438 hsa_insn_basic (unsigned nops, int opc, BrigType16_t t,
|
|
|
439 hsa_op_base *arg0 = NULL,
|
|
|
440 hsa_op_base *arg1 = NULL,
|
|
|
441 hsa_op_base *arg2 = NULL,
|
|
|
442 hsa_op_base *arg3 = NULL);
|
|
|
443
|
|
|
444 void *operator new (size_t);
|
|
|
445 void set_op (int index, hsa_op_base *op);
|
|
|
446 hsa_op_base *get_op (int index);
|
|
|
447 hsa_op_base **get_op_addr (int index);
|
|
|
448 unsigned int operand_count ();
|
|
|
449 void verify ();
|
|
|
450 unsigned input_count ();
|
|
|
451 unsigned num_used_ops ();
|
|
|
452 void set_output_in_type (hsa_op_reg *dest, unsigned op_index, hsa_bb *hbb);
|
|
|
453 bool op_output_p (unsigned opnum);
|
|
|
454
|
|
|
455 /* The previous and next instruction in the basic block. */
|
|
|
456 hsa_insn_basic *m_prev, *m_next;
|
|
|
457
|
|
|
458 /* Basic block this instruction belongs to. */
|
|
|
459 basic_block m_bb;
|
|
|
460
|
|
|
461 /* Operand code distinguishing different types of instructions. Eventually
|
|
|
462 these should only be BRIG_INST_* values from the BrigOpcode16_t range but
|
|
|
463 initially we use negative values for PHI nodes and such. */
|
|
|
464 int m_opcode;
|
|
|
465
|
|
|
466 /* Linearized number assigned to the instruction by HSA RA. */
|
|
|
467 int m_number;
|
|
|
468
|
|
|
469 /* Type of the destination of the operations. */
|
|
|
470 BrigType16_t m_type;
|
|
|
471
|
|
|
472 /* BRIG offset of the instruction in code section. */
|
|
|
473 unsigned int m_brig_offset;
|
|
|
474
|
|
|
475 private:
|
|
|
476 /* Make the default constructor inaccessible. */
|
|
|
477 hsa_insn_basic () {}
|
|
|
478 /* All objects are deallocated by destroying their pool, so make delete
|
|
|
479 inaccessible too. */
|
|
|
480 void operator delete (void *) {}
|
|
|
481 /* The individual operands. All instructions but PHI nodes have five or
|
|
|
482 fewer instructions and so will fit the internal storage. */
|
|
|
483 /* TODO: Vast majority of instructions have three or fewer operands, so we
|
|
|
484 may actually try reducing it. */
|
|
|
485 auto_vec<hsa_op_base *, HSA_BRIG_INT_STORAGE_OPERANDS> m_operands;
|
|
|
486 };
|
|
|
487
|
|
|
488 /* Class representing a PHI node of the SSA form of HSA virtual
|
|
|
489 registers. */
|
|
|
490
|
|
|
491 class hsa_insn_phi : public hsa_insn_basic
|
|
|
492 {
|
|
|
493 public:
|
|
|
494 hsa_insn_phi (unsigned nops, hsa_op_reg *dst);
|
|
|
495
|
|
|
496 /* Destination. */
|
|
|
497 hsa_op_reg *m_dest;
|
|
|
498
|
|
|
499 private:
|
|
|
500 /* Make the default constructor inaccessible. */
|
|
|
501 hsa_insn_phi () : hsa_insn_basic (1, HSA_OPCODE_PHI) {}
|
|
|
502 };
|
|
|
503
|
|
|
504 /* Report whether or not P is a PHI node. */
|
|
|
505
|
|
|
506 template <>
|
|
|
507 template <>
|
|
|
508 inline bool
|
|
|
509 is_a_helper <hsa_insn_phi *>::test (hsa_insn_basic *p)
|
|
|
510 {
|
|
|
511 return p->m_opcode == HSA_OPCODE_PHI;
|
|
|
512 }
|
|
|
513
|
|
|
514 /* HSA instruction for */
|
|
|
515 class hsa_insn_br : public hsa_insn_basic
|
|
|
516 {
|
|
|
517 public:
|
|
|
518 hsa_insn_br (unsigned nops, int opc, BrigType16_t t, BrigWidth8_t width,
|
|
|
519 hsa_op_base *arg0 = NULL, hsa_op_base *arg1 = NULL,
|
|
|
520 hsa_op_base *arg2 = NULL, hsa_op_base *arg3 = NULL);
|
|
|
521
|
|
|
522 /* Number of work-items affected in the same way by the instruction. */
|
|
|
523 BrigWidth8_t m_width;
|
|
|
524
|
|
|
525 private:
|
|
|
526 /* Make the default constructor inaccessible. */
|
|
|
527 hsa_insn_br () : hsa_insn_basic (0, BRIG_OPCODE_BR) {}
|
|
|
528 };
|
|
|
529
|
|
|
530 /* Return true if P is a branching/synchronization instruction. */
|
|
|
531
|
|
|
532 template <>
|
|
|
533 template <>
|
|
|
534 inline bool
|
|
|
535 is_a_helper <hsa_insn_br *>::test (hsa_insn_basic *p)
|
|
|
536 {
|
|
|
537 return p->m_opcode == BRIG_OPCODE_BARRIER
|
|
|
538 || p->m_opcode == BRIG_OPCODE_BR;
|
|
|
539 }
|
|
|
540
|
|
|
541 /* HSA instruction for conditional branches. Structurally the same as
|
|
|
542 hsa_insn_br but we represent it specially because of inherent control
|
|
|
543 flow it represents. */
|
|
|
544
|
|
|
545 class hsa_insn_cbr : public hsa_insn_br
|
|
|
546 {
|
|
|
547 public:
|
|
|
548 hsa_insn_cbr (hsa_op_reg *ctrl);
|
|
|
549
|
|
|
550 private:
|
|
|
551 /* Make the default constructor inaccessible. */
|
|
|
552 hsa_insn_cbr () : hsa_insn_br (0, BRIG_OPCODE_CBR, BRIG_TYPE_B1,
|
|
|
553 BRIG_WIDTH_1) {}
|
|
|
554 };
|
|
|
555
|
|
|
556 /* Report whether P is a contitional branching instruction. */
|
|
|
557
|
|
|
558 template <>
|
|
|
559 template <>
|
|
|
560 inline bool
|
|
|
561 is_a_helper <hsa_insn_cbr *>::test (hsa_insn_basic *p)
|
|
|
562 {
|
|
|
563 return p->m_opcode == BRIG_OPCODE_CBR;
|
|
|
564 }
|
|
|
565
|
|
|
566 /* HSA instruction for switch branches. */
|
|
|
567
|
|
|
568 class hsa_insn_sbr : public hsa_insn_basic
|
|
|
569 {
|
|
|
570 public:
|
|
|
571 hsa_insn_sbr (hsa_op_reg *index, unsigned jump_count);
|
|
|
572
|
|
|
573 /* Default destructor. */
|
|
|
574 ~hsa_insn_sbr ();
|
|
|
575
|
|
|
576 void replace_all_labels (basic_block old_bb, basic_block new_bb);
|
|
|
577
|
|
|
578 /* Width as described in HSA documentation. */
|
|
|
579 BrigWidth8_t m_width;
|
|
|
580
|
|
|
581 /* Jump table. */
|
|
|
582 vec <basic_block> m_jump_table;
|
|
|
583
|
|
|
584 /* Code list for label references. */
|
|
|
585 hsa_op_code_list *m_label_code_list;
|
|
|
586
|
|
|
587 private:
|
|
|
588 /* Make the default constructor inaccessible. */
|
|
|
589 hsa_insn_sbr () : hsa_insn_basic (1, BRIG_OPCODE_SBR) {}
|
|
|
590 };
|
|
|
591
|
|
|
592 /* Report whether P is a switch branching instruction. */
|
|
|
593
|
|
|
594 template <>
|
|
|
595 template <>
|
|
|
596 inline bool
|
|
|
597 is_a_helper <hsa_insn_sbr *>::test (hsa_insn_basic *p)
|
|
|
598 {
|
|
|
599 return p->m_opcode == BRIG_OPCODE_SBR;
|
|
|
600 }
|
|
|
601
|
|
|
602 /* HSA instruction for comparisons. */
|
|
|
603
|
|
|
604 class hsa_insn_cmp : public hsa_insn_basic
|
|
|
605 {
|
|
|
606 public:
|
|
|
607 hsa_insn_cmp (BrigCompareOperation8_t cmp, BrigType16_t t,
|
|
|
608 hsa_op_base *arg0 = NULL, hsa_op_base *arg1 = NULL,
|
|
|
609 hsa_op_base *arg2 = NULL);
|
|
|
610
|
|
|
611 /* Source type should be derived from operand types. */
|
|
|
612
|
|
|
613 /* The comparison operation. */
|
|
|
614 BrigCompareOperation8_t m_compare;
|
|
|
615
|
|
|
616 /* TODO: Modifiers and packing control are missing but so are everywhere
|
|
|
617 else. */
|
|
|
618 private:
|
|
|
619 /* Make the default constructor inaccessible. */
|
|
|
620 hsa_insn_cmp () : hsa_insn_basic (1, BRIG_OPCODE_CMP) {}
|
|
|
621 };
|
|
|
622
|
|
|
623 /* Report whether or not P is a comparison instruction. */
|
|
|
624
|
|
|
625 template <>
|
|
|
626 template <>
|
|
|
627 inline bool
|
|
|
628 is_a_helper <hsa_insn_cmp *>::test (hsa_insn_basic *p)
|
|
|
629 {
|
|
|
630 return p->m_opcode == BRIG_OPCODE_CMP;
|
|
|
631 }
|
|
|
632
|
|
|
633 /* HSA instruction for memory operations. */
|
|
|
634
|
|
|
635 class hsa_insn_mem : public hsa_insn_basic
|
|
|
636 {
|
|
|
637 public:
|
|
|
638 hsa_insn_mem (int opc, BrigType16_t t, hsa_op_base *arg0, hsa_op_base *arg1);
|
|
|
639
|
|
|
640 /* Set alignment to VALUE. */
|
|
|
641
|
|
|
642 void set_align (BrigAlignment8_t value);
|
|
|
643
|
|
|
644 /* The segment is of the memory access is either the segment of the symbol in
|
|
|
645 the address operand or flat address is there is no symbol there. */
|
|
|
646
|
|
|
647 /* Required alignment of the memory operation. */
|
|
|
648 BrigAlignment8_t m_align;
|
|
|
649
|
|
|
650 /* HSA equiv class, basically an alias set number. */
|
|
|
651 uint8_t m_equiv_class;
|
|
|
652
|
|
|
653 /* TODO: Add width modifier, perhaps also other things. */
|
|
|
654 protected:
|
|
|
655 hsa_insn_mem (unsigned nops, int opc, BrigType16_t t,
|
|
|
656 hsa_op_base *arg0 = NULL, hsa_op_base *arg1 = NULL,
|
|
|
657 hsa_op_base *arg2 = NULL, hsa_op_base *arg3 = NULL);
|
|
|
658
|
|
|
659 private:
|
|
|
660 /* Make the default constructor inaccessible. */
|
|
|
661 hsa_insn_mem () : hsa_insn_basic (1, BRIG_OPCODE_LD) {}
|
|
|
662 };
|
|
|
663
|
|
|
664 /* Report whether or not P is a memory instruction. */
|
|
|
665
|
|
|
666 template <>
|
|
|
667 template <>
|
|
|
668 inline bool
|
|
|
669 is_a_helper <hsa_insn_mem *>::test (hsa_insn_basic *p)
|
|
|
670 {
|
|
|
671 return (p->m_opcode == BRIG_OPCODE_LD
|
|
|
672 || p->m_opcode == BRIG_OPCODE_ST);
|
|
|
673 }
|
|
|
674
|
|
|
675 /* HSA instruction for atomic operations. */
|
|
|
676
|
|
|
677 class hsa_insn_atomic : public hsa_insn_mem
|
|
|
678 {
|
|
|
679 public:
|
|
|
680 hsa_insn_atomic (int nops, int opc, enum BrigAtomicOperation aop,
|
|
|
681 BrigType16_t t, BrigMemoryOrder memorder,
|
|
|
682 hsa_op_base *arg0 = NULL, hsa_op_base *arg1 = NULL,
|
|
|
683 hsa_op_base *arg2 = NULL, hsa_op_base *arg3 = NULL);
|
|
|
684
|
|
|
685 /* The operation itself. */
|
|
|
686 enum BrigAtomicOperation m_atomicop;
|
|
|
687
|
|
|
688 /* Things like acquire/release/aligned. */
|
|
|
689 enum BrigMemoryOrder m_memoryorder;
|
|
|
690
|
|
|
691 /* Scope of the atomic operation. */
|
|
|
692 enum BrigMemoryScope m_memoryscope;
|
|
|
693
|
|
|
694 private:
|
|
|
695 /* Make the default constructor inaccessible. */
|
|
|
696 hsa_insn_atomic () : hsa_insn_mem (1, BRIG_KIND_NONE, BRIG_TYPE_NONE) {}
|
|
|
697 };
|
|
|
698
|
|
|
699 /* Report whether or not P is an atomic instruction. */
|
|
|
700
|
|
|
701 template <>
|
|
|
702 template <>
|
|
|
703 inline bool
|
|
|
704 is_a_helper <hsa_insn_atomic *>::test (hsa_insn_basic *p)
|
|
|
705 {
|
|
|
706 return (p->m_opcode == BRIG_OPCODE_ATOMIC
|
|
|
707 || p->m_opcode == BRIG_OPCODE_ATOMICNORET);
|
|
|
708 }
|
|
|
709
|
|
|
710 /* HSA instruction for signal operations. */
|
|
|
711
|
|
|
712 class hsa_insn_signal : public hsa_insn_basic
|
|
|
713 {
|
|
|
714 public:
|
|
|
715 hsa_insn_signal (int nops, int opc, enum BrigAtomicOperation sop,
|
|
|
716 BrigType16_t t, BrigMemoryOrder memorder,
|
|
|
717 hsa_op_base *arg0 = NULL, hsa_op_base *arg1 = NULL,
|
|
|
718 hsa_op_base *arg2 = NULL, hsa_op_base *arg3 = NULL);
|
|
|
719
|
|
|
720 /* Things like acquire/release/aligned. */
|
|
|
721 enum BrigMemoryOrder m_memory_order;
|
|
|
722
|
|
|
723 /* The operation itself. */
|
|
|
724 enum BrigAtomicOperation m_signalop;
|
|
|
725 };
|
|
|
726
|
|
|
727 /* Report whether or not P is a signal instruction. */
|
|
|
728
|
|
|
729 template <>
|
|
|
730 template <>
|
|
|
731 inline bool
|
|
|
732 is_a_helper <hsa_insn_signal *>::test (hsa_insn_basic *p)
|
|
|
733 {
|
|
|
734 return (p->m_opcode == BRIG_OPCODE_SIGNAL
|
|
|
735 || p->m_opcode == BRIG_OPCODE_SIGNALNORET);
|
|
|
736 }
|
|
|
737
|
|
|
738 /* HSA instruction to convert between flat addressing and segments. */
|
|
|
739
|
|
|
740 class hsa_insn_seg : public hsa_insn_basic
|
|
|
741 {
|
|
|
742 public:
|
|
|
743 hsa_insn_seg (int opc, BrigType16_t destt, BrigType16_t srct,
|
|
|
744 BrigSegment8_t seg, hsa_op_base *arg0, hsa_op_base *arg1);
|
|
|
745
|
|
|
746 /* Source type. Depends on the source addressing/segment. */
|
|
|
747 BrigType16_t m_src_type;
|
|
|
748 /* The segment we are converting from or to. */
|
|
|
749 BrigSegment8_t m_segment;
|
|
|
750 private:
|
|
|
751 /* Make the default constructor inaccessible. */
|
|
|
752 hsa_insn_seg () : hsa_insn_basic (1, BRIG_OPCODE_STOF) {}
|
|
|
753 };
|
|
|
754
|
|
|
755 /* Report whether or not P is a segment conversion instruction. */
|
|
|
756
|
|
|
757 template <>
|
|
|
758 template <>
|
|
|
759 inline bool
|
|
|
760 is_a_helper <hsa_insn_seg *>::test (hsa_insn_basic *p)
|
|
|
761 {
|
|
|
762 return (p->m_opcode == BRIG_OPCODE_STOF
|
|
|
763 || p->m_opcode == BRIG_OPCODE_FTOS);
|
|
|
764 }
|
|
|
765
|
|
|
766 /* Class for internal functions for purpose of HSA emission. */
|
|
|
767
|
|
|
768 class hsa_internal_fn
|
|
|
769 {
|
|
|
770 public:
|
|
|
771 hsa_internal_fn (enum internal_fn fn, unsigned type_bit_size):
|
|
|
772 m_fn (fn), m_type_bit_size (type_bit_size), m_offset (0) {}
|
|
|
773
|
|
|
774 hsa_internal_fn (const hsa_internal_fn *f):
|
|
|
775 m_fn (f->m_fn), m_type_bit_size (f->m_type_bit_size),
|
|
|
776 m_offset (f->m_offset) {}
|
|
|
777
|
|
|
778 /* Return arity of the internal function. */
|
|
|
779 unsigned get_arity ();
|
|
|
780
|
|
|
781 /* Return BRIG type of N-th argument, if -1 is passed, return value type
|
|
|
782 is received. */
|
|
|
783 BrigType16_t get_argument_type (int n);
|
|
|
784
|
|
|
785 /* Return function name. The memory must be released by a caller. */
|
|
|
786 char *name ();
|
|
|
787
|
|
|
788 /* Internal function. */
|
|
|
789 enum internal_fn m_fn;
|
|
|
790
|
|
|
791 /* Bit width of return type. */
|
|
|
792 unsigned m_type_bit_size;
|
|
|
793
|
|
|
794 /* BRIG offset of declaration of the function. */
|
|
|
795 BrigCodeOffset32_t m_offset;
|
|
|
796 };
|
|
|
797
|
|
|
798 /* HSA instruction for function call. */
|
|
|
799
|
|
|
800 class hsa_insn_call : public hsa_insn_basic
|
|
|
801 {
|
|
|
802 public:
|
|
|
803 hsa_insn_call (tree callee);
|
|
|
804 hsa_insn_call (hsa_internal_fn *fn);
|
|
|
805
|
|
|
806 /* Default destructor. */
|
|
|
807 ~hsa_insn_call ();
|
|
|
808
|
|
|
809 /* Called function. */
|
|
|
810 tree m_called_function;
|
|
|
811
|
|
|
812 /* Called internal function. */
|
|
|
813 hsa_internal_fn *m_called_internal_fn;
|
|
|
814
|
|
|
815 /* Input formal arguments. */
|
|
|
816 auto_vec <hsa_symbol *> m_input_args;
|
|
|
817
|
|
|
818 /* Input arguments store instructions. */
|
|
|
819 auto_vec <hsa_insn_mem *> m_input_arg_insns;
|
|
|
820
|
|
|
821 /* Output argument, can be NULL for void functions. */
|
|
|
822 hsa_symbol *m_output_arg;
|
|
|
823
|
|
|
824 /* Called function code reference. */
|
|
|
825 hsa_op_code_ref m_func;
|
|
|
826
|
|
|
827 /* Code list for arguments of the function. */
|
|
|
828 hsa_op_code_list *m_args_code_list;
|
|
|
829
|
|
|
830 /* Code list for result of the function. */
|
|
|
831 hsa_op_code_list *m_result_code_list;
|
|
|
832 private:
|
|
|
833 /* Make the default constructor inaccessible. */
|
|
|
834 hsa_insn_call () : hsa_insn_basic (0, BRIG_OPCODE_CALL) {}
|
|
|
835 };
|
|
|
836
|
|
|
837 /* Report whether or not P is a call instruction. */
|
|
|
838
|
|
|
839 template <>
|
|
|
840 template <>
|
|
|
841 inline bool
|
|
|
842 is_a_helper <hsa_insn_call *>::test (hsa_insn_basic *p)
|
|
|
843 {
|
|
|
844 return (p->m_opcode == BRIG_OPCODE_CALL);
|
|
|
845 }
|
|
|
846
|
|
|
847 /* HSA call instruction block encapsulates definition of arguments,
|
|
|
848 result type, corresponding loads and a possible store.
|
|
|
849 Moreover, it contains a single call instruction.
|
|
|
850 Emission of the instruction will produce multiple
|
|
|
851 HSAIL instructions. */
|
|
|
852
|
|
|
853 class hsa_insn_arg_block : public hsa_insn_basic
|
|
|
854 {
|
|
|
855 public:
|
|
|
856 hsa_insn_arg_block (BrigKind brig_kind, hsa_insn_call * call);
|
|
|
857
|
|
|
858 /* Kind of argument block. */
|
|
|
859 BrigKind m_kind;
|
|
|
860
|
|
|
861 /* Call instruction. */
|
|
|
862 hsa_insn_call *m_call_insn;
|
|
|
863 };
|
|
|
864
|
|
|
865 /* Report whether or not P is a call block instruction. */
|
|
|
866
|
|
|
867 template <>
|
|
|
868 template <>
|
|
|
869 inline bool
|
|
|
870 is_a_helper <hsa_insn_arg_block *>::test (hsa_insn_basic *p)
|
|
|
871 {
|
|
|
872 return (p->m_opcode == HSA_OPCODE_ARG_BLOCK);
|
|
|
873 }
|
|
|
874
|
|
|
875 /* HSA comment instruction. */
|
|
|
876
|
|
|
877 class hsa_insn_comment: public hsa_insn_basic
|
|
|
878 {
|
|
|
879 public:
|
|
|
880 /* Constructor of class representing the comment in HSAIL. */
|
|
|
881 hsa_insn_comment (const char *s);
|
|
|
882
|
|
|
883 /* Default destructor. */
|
|
|
884 ~hsa_insn_comment ();
|
|
|
885
|
|
|
886 char *m_comment;
|
|
|
887 };
|
|
|
888
|
|
|
889 /* Report whether or not P is a call block instruction. */
|
|
|
890
|
|
|
891 template <>
|
|
|
892 template <>
|
|
|
893 inline bool
|
|
|
894 is_a_helper <hsa_insn_comment *>::test (hsa_insn_basic *p)
|
|
|
895 {
|
|
|
896 return (p->m_opcode == BRIG_KIND_DIRECTIVE_COMMENT);
|
|
|
897 }
|
|
|
898
|
|
|
899 /* HSA queue instruction. */
|
|
|
900
|
|
|
901 class hsa_insn_queue: public hsa_insn_basic
|
|
|
902 {
|
|
|
903 public:
|
|
|
904 hsa_insn_queue (int nops, int opcode, BrigSegment segment,
|
|
|
905 BrigMemoryOrder memory_order,
|
|
|
906 hsa_op_base *arg0 = NULL, hsa_op_base *arg1 = NULL,
|
|
|
907 hsa_op_base *arg2 = NULL, hsa_op_base *arg3 = NULL);
|
|
|
908
|
|
|
909 /* Destructor. */
|
|
|
910 ~hsa_insn_queue ();
|
|
|
911
|
|
|
912 /* Segment used to refer to the queue. Must be global or flat. */
|
|
|
913 BrigSegment m_segment;
|
|
|
914 /* Memory order used to specify synchronization. */
|
|
|
915 BrigMemoryOrder m_memory_order;
|
|
|
916 };
|
|
|
917
|
|
|
918 /* Report whether or not P is a queue instruction. */
|
|
|
919
|
|
|
920 template <>
|
|
|
921 template <>
|
|
|
922 inline bool
|
|
|
923 is_a_helper <hsa_insn_queue *>::test (hsa_insn_basic *p)
|
|
|
924 {
|
|
|
925 return (p->m_opcode == BRIG_OPCODE_ADDQUEUEWRITEINDEX
|
|
|
926 || p->m_opcode == BRIG_OPCODE_CASQUEUEWRITEINDEX
|
|
|
927 || p->m_opcode == BRIG_OPCODE_LDQUEUEREADINDEX
|
|
|
928 || p->m_opcode == BRIG_OPCODE_LDQUEUEWRITEINDEX
|
|
|
929 || p->m_opcode == BRIG_OPCODE_STQUEUEREADINDEX
|
|
|
930 || p->m_opcode == BRIG_OPCODE_STQUEUEWRITEINDEX);
|
|
|
931 }
|
|
|
932
|
|
|
933 /* HSA source type instruction. */
|
|
|
934
|
|
|
935 class hsa_insn_srctype: public hsa_insn_basic
|
|
|
936 {
|
|
|
937 public:
|
|
|
938 hsa_insn_srctype (int nops, BrigOpcode opcode, BrigType16_t destt,
|
|
|
939 BrigType16_t srct, hsa_op_base *arg0, hsa_op_base *arg1,
|
|
|
940 hsa_op_base *arg2);
|
|
|
941
|
|
|
942 /* Source type. */
|
|
|
943 BrigType16_t m_source_type;
|
|
|
944
|
|
|
945 /* Destructor. */
|
|
|
946 ~hsa_insn_srctype ();
|
|
|
947 };
|
|
|
948
|
|
|
949 /* Report whether or not P is a source type instruction. */
|
|
|
950
|
|
|
951 template <>
|
|
|
952 template <>
|
|
|
953 inline bool
|
|
|
954 is_a_helper <hsa_insn_srctype *>::test (hsa_insn_basic *p)
|
|
|
955 {
|
|
|
956 return (p->m_opcode == BRIG_OPCODE_POPCOUNT
|
|
|
957 || p->m_opcode == BRIG_OPCODE_FIRSTBIT
|
|
|
958 || p->m_opcode == BRIG_OPCODE_LASTBIT);
|
|
|
959 }
|
|
|
960
|
|
|
961 /* HSA packed instruction. */
|
|
|
962
|
|
|
963 class hsa_insn_packed : public hsa_insn_srctype
|
|
|
964 {
|
|
|
965 public:
|
|
|
966 hsa_insn_packed (int nops, BrigOpcode opcode, BrigType16_t destt,
|
|
|
967 BrigType16_t srct, hsa_op_base *arg0, hsa_op_base *arg1,
|
|
|
968 hsa_op_base *arg2);
|
|
|
969
|
|
|
970 /* Operand list for an operand of the instruction. */
|
|
|
971 hsa_op_operand_list *m_operand_list;
|
|
|
972
|
|
|
973 /* Destructor. */
|
|
|
974 ~hsa_insn_packed ();
|
|
|
975 };
|
|
|
976
|
|
|
977 /* Report whether or not P is a combine instruction. */
|
|
|
978
|
|
|
979 template <>
|
|
|
980 template <>
|
|
|
981 inline bool
|
|
|
982 is_a_helper <hsa_insn_packed *>::test (hsa_insn_basic *p)
|
|
|
983 {
|
|
|
984 return (p->m_opcode == BRIG_OPCODE_COMBINE
|
|
|
985 || p->m_opcode == BRIG_OPCODE_EXPAND);
|
|
|
986 }
|
|
|
987
|
|
|
988 /* HSA convert instruction. */
|
|
|
989
|
|
|
990 class hsa_insn_cvt: public hsa_insn_basic
|
|
|
991 {
|
|
|
992 public:
|
|
|
993 hsa_insn_cvt (hsa_op_with_type *dest, hsa_op_with_type *src);
|
|
|
994 };
|
|
|
995
|
|
|
996 /* Report whether or not P is a convert instruction. */
|
|
|
997
|
|
|
998 template <>
|
|
|
999 template <>
|
|
|
1000 inline bool
|
|
|
1001 is_a_helper <hsa_insn_cvt *>::test (hsa_insn_basic *p)
|
|
|
1002 {
|
|
|
1003 return (p->m_opcode == BRIG_OPCODE_CVT);
|
|
|
1004 }
|
|
|
1005
|
|
|
1006 /* HSA alloca instruction. */
|
|
|
1007
|
|
|
1008 class hsa_insn_alloca: public hsa_insn_basic
|
|
|
1009 {
|
|
|
1010 public:
|
|
|
1011 hsa_insn_alloca (hsa_op_with_type *dest, hsa_op_with_type *size,
|
|
|
1012 unsigned alignment = 0);
|
|
|
1013
|
|
|
1014 /* Required alignment of the allocation. */
|
|
|
1015 BrigAlignment8_t m_align;
|
|
|
1016 };
|
|
|
1017
|
|
|
1018 /* Report whether or not P is an alloca instruction. */
|
|
|
1019
|
|
|
1020 template <>
|
|
|
1021 template <>
|
|
|
1022 inline bool
|
|
|
1023 is_a_helper <hsa_insn_alloca *>::test (hsa_insn_basic *p)
|
|
|
1024 {
|
|
|
1025 return (p->m_opcode == BRIG_OPCODE_ALLOCA);
|
|
|
1026 }
|
|
|
1027
|
|
|
1028 /* Basic block of HSA instructions. */
|
|
|
1029
|
|
|
1030 class hsa_bb
|
|
|
1031 {
|
|
|
1032 public:
|
|
|
1033 hsa_bb (basic_block cfg_bb);
|
|
|
1034 hsa_bb (basic_block cfg_bb, int idx);
|
|
|
1035
|
|
|
1036 /* Append an instruction INSN into the basic block. */
|
|
|
1037 void append_insn (hsa_insn_basic *insn);
|
|
|
1038
|
|
|
1039 /* Add a PHI instruction. */
|
|
|
1040 void append_phi (hsa_insn_phi *phi);
|
|
|
1041
|
|
|
1042 /* The real CFG BB that this HBB belongs to. */
|
|
|
1043 basic_block m_bb;
|
|
|
1044
|
|
|
1045 /* The operand that refers to the label to this BB. */
|
|
|
1046 hsa_op_code_ref m_label_ref;
|
|
|
1047
|
|
|
1048 /* The first and last instruction. */
|
|
|
1049 hsa_insn_basic *m_first_insn, *m_last_insn;
|
|
|
1050 /* The first and last phi node. */
|
|
|
1051 hsa_insn_phi *m_first_phi, *m_last_phi;
|
|
|
1052
|
|
|
1053 /* Just a number to construct names from. */
|
|
|
1054 int m_index;
|
|
|
1055
|
|
|
1056 auto_bitmap m_liveout, m_livein;
|
|
|
1057 private:
|
|
|
1058 /* Make the default constructor inaccessible. */
|
|
|
1059 hsa_bb ();
|
|
|
1060 /* All objects are deallocated by destroying their pool, so make delete
|
|
|
1061 inaccessible too. */
|
|
|
1062 void operator delete (void *) {}
|
|
|
1063 };
|
|
|
1064
|
|
|
1065 /* Return the corresponding HSA basic block structure for the given control
|
|
|
1066 flow basic_block BB. */
|
|
|
1067
|
|
|
1068 static inline hsa_bb *
|
|
|
1069 hsa_bb_for_bb (basic_block bb)
|
|
|
1070 {
|
|
145
|
1071 return (class hsa_bb *) bb->aux;
|
|
111
|
1072 }
|
|
|
1073
|
|
|
1074 /* Class for hashing local hsa_symbols. */
|
|
|
1075
|
|
|
1076 struct hsa_noop_symbol_hasher : nofree_ptr_hash <hsa_symbol>
|
|
|
1077 {
|
|
|
1078 static inline hashval_t hash (const value_type);
|
|
|
1079 static inline bool equal (const value_type, const compare_type);
|
|
|
1080 };
|
|
|
1081
|
|
|
1082 /* Hash hsa_symbol. */
|
|
|
1083
|
|
|
1084 inline hashval_t
|
|
|
1085 hsa_noop_symbol_hasher::hash (const value_type item)
|
|
|
1086 {
|
|
|
1087 return DECL_UID (item->m_decl);
|
|
|
1088 }
|
|
|
1089
|
|
|
1090 /* Return true if the DECL_UIDs of decls both symbols refer to are equal. */
|
|
|
1091
|
|
|
1092 inline bool
|
|
|
1093 hsa_noop_symbol_hasher::equal (const value_type a, const compare_type b)
|
|
|
1094 {
|
|
|
1095 return (DECL_UID (a->m_decl) == DECL_UID (b->m_decl));
|
|
|
1096 }
|
|
|
1097
|
|
|
1098 /* Structure that encapsulates intermediate representation of a HSA
|
|
|
1099 function. */
|
|
|
1100
|
|
|
1101 class hsa_function_representation
|
|
|
1102 {
|
|
|
1103 public:
|
|
|
1104 hsa_function_representation (tree fdecl, bool kernel_p,
|
|
|
1105 unsigned ssa_names_count,
|
|
|
1106 bool modified_cfg = false);
|
|
|
1107 hsa_function_representation (hsa_internal_fn *fn);
|
|
|
1108 ~hsa_function_representation ();
|
|
|
1109
|
|
|
1110 /* Builds a shadow register that is utilized to a kernel dispatch. */
|
|
|
1111 hsa_op_reg *get_shadow_reg ();
|
|
|
1112
|
|
|
1113 /* Return true if we are in a function that has kernel dispatch
|
|
|
1114 shadow register. */
|
|
|
1115 bool has_shadow_reg_p ();
|
|
|
1116
|
|
|
1117 /* The entry/exit blocks don't contain incoming code,
|
|
|
1118 but the HSA generator might use them to put code into,
|
|
|
1119 so we need hsa_bb instances of them. */
|
|
|
1120 void init_extra_bbs ();
|
|
|
1121
|
|
|
1122 /* Update CFG dominators if m_modified_cfg flag is set. */
|
|
|
1123 void update_dominance ();
|
|
|
1124
|
|
|
1125 /* Return linkage of the representation. */
|
|
|
1126 BrigLinkage8_t get_linkage ();
|
|
|
1127
|
|
|
1128 /* Create a private symbol of requested TYPE. */
|
|
|
1129 hsa_symbol *create_hsa_temporary (BrigType16_t type);
|
|
|
1130
|
|
|
1131 /* Lookup or create a HSA pseudo register for a given gimple SSA name. */
|
|
|
1132 hsa_op_reg *reg_for_gimple_ssa (tree ssa);
|
|
|
1133
|
|
|
1134 /* Name of the function. */
|
|
|
1135 char *m_name;
|
|
|
1136
|
|
|
1137 /* Number of allocated register structures. */
|
|
|
1138 int m_reg_count;
|
|
|
1139
|
|
|
1140 /* Input arguments. */
|
|
|
1141 vec <hsa_symbol *> m_input_args;
|
|
|
1142
|
|
|
1143 /* Output argument or NULL if there is none. */
|
|
|
1144 hsa_symbol *m_output_arg;
|
|
|
1145
|
|
|
1146 /* Hash table of local variable symbols. */
|
|
|
1147 hash_table <hsa_noop_symbol_hasher> *m_local_symbols;
|
|
|
1148
|
|
|
1149 /* Hash map for string constants. */
|
|
|
1150 hash_map <tree, hsa_symbol *> m_string_constants_map;
|
|
|
1151
|
|
|
1152 /* Vector of pointers to spill symbols. */
|
|
145
|
1153 vec <class hsa_symbol *> m_spill_symbols;
|
|
111
|
1154
|
|
|
1155 /* Vector of pointers to global variables and transformed string constants
|
|
|
1156 that are used by the function. */
|
|
145
|
1157 vec <class hsa_symbol *> m_global_symbols;
|
|
111
|
1158
|
|
|
1159 /* Private function artificial variables. */
|
|
145
|
1160 vec <class hsa_symbol *> m_private_variables;
|
|
111
|
1161
|
|
|
1162 /* Vector of called function declarations. */
|
|
|
1163 vec <tree> m_called_functions;
|
|
|
1164
|
|
|
1165 /* Vector of used internal functions. */
|
|
|
1166 vec <hsa_internal_fn *> m_called_internal_fns;
|
|
|
1167
|
|
|
1168 /* Number of HBB BBs. */
|
|
|
1169 int m_hbb_count;
|
|
|
1170
|
|
|
1171 /* Whether or not we could check and enforce SSA properties. */
|
|
|
1172 bool m_in_ssa;
|
|
|
1173
|
|
|
1174 /* True if the function is kernel function. */
|
|
|
1175 bool m_kern_p;
|
|
|
1176
|
|
|
1177 /* True if the function representation is a declaration. */
|
|
|
1178 bool m_declaration_p;
|
|
|
1179
|
|
|
1180 /* Function declaration tree. */
|
|
|
1181 tree m_decl;
|
|
|
1182
|
|
|
1183 /* Internal function info is used for declarations of internal functions. */
|
|
|
1184 hsa_internal_fn *m_internal_fn;
|
|
|
1185
|
|
|
1186 /* Runtime shadow register. */
|
|
|
1187 hsa_op_reg *m_shadow_reg;
|
|
|
1188
|
|
|
1189 /* Number of kernel dispatched which take place in the function. */
|
|
|
1190 unsigned m_kernel_dispatch_count;
|
|
|
1191
|
|
|
1192 /* If the function representation contains a kernel dispatch,
|
|
|
1193 OMP data size is necessary memory that is used for copying before
|
|
|
1194 a kernel dispatch. */
|
|
|
1195 unsigned m_maximum_omp_data_size;
|
|
|
1196
|
|
|
1197 /* Return true if there's an HSA-specific warning already seen. */
|
|
|
1198 bool m_seen_error;
|
|
|
1199
|
|
|
1200 /* Counter for temporary symbols created in the function representation. */
|
|
|
1201 unsigned m_temp_symbol_count;
|
|
|
1202
|
|
|
1203 /* SSA names mapping. */
|
|
|
1204 vec <hsa_op_reg *> m_ssa_map;
|
|
|
1205
|
|
|
1206 /* Flag whether a function needs update of dominators before RA. */
|
|
|
1207 bool m_modified_cfg;
|
|
|
1208 };
|
|
|
1209
|
|
|
1210 enum hsa_function_kind
|
|
|
1211 {
|
|
131
|
1212 HSA_INVALID,
|
|
111
|
1213 HSA_KERNEL,
|
|
|
1214 HSA_FUNCTION
|
|
|
1215 };
|
|
|
1216
|
|
145
|
1217 class hsa_function_summary
|
|
111
|
1218 {
|
|
145
|
1219 public:
|
|
111
|
1220 /* Default constructor. */
|
|
|
1221 hsa_function_summary ();
|
|
|
1222
|
|
|
1223 /* Kind of GPU/host function. */
|
|
|
1224 hsa_function_kind m_kind;
|
|
|
1225
|
|
|
1226 /* Pointer to a cgraph node which is a HSA implementation of the function.
|
|
|
1227 In case of the function is a HSA function, the bound function points
|
|
|
1228 to the host function. */
|
|
|
1229 cgraph_node *m_bound_function;
|
|
|
1230
|
|
|
1231 /* Identifies if the function is an HSA function or a host function. */
|
|
|
1232 bool m_gpu_implementation_p;
|
|
|
1233
|
|
|
1234 /* True if the function is a gridified kernel. */
|
|
|
1235 bool m_gridified_kernel_p;
|
|
|
1236 };
|
|
|
1237
|
|
|
1238 inline
|
|
131
|
1239 hsa_function_summary::hsa_function_summary (): m_kind (HSA_INVALID),
|
|
111
|
1240 m_bound_function (NULL), m_gpu_implementation_p (false)
|
|
|
1241 {
|
|
|
1242 }
|
|
|
1243
|
|
|
1244 /* Function summary for HSA functions. */
|
|
|
1245 class hsa_summary_t: public function_summary <hsa_function_summary *>
|
|
|
1246 {
|
|
|
1247 public:
|
|
|
1248 hsa_summary_t (symbol_table *table):
|
|
131
|
1249 function_summary<hsa_function_summary *> (table)
|
|
|
1250 {
|
|
|
1251 disable_insertion_hook ();
|
|
|
1252 }
|
|
111
|
1253
|
|
|
1254 /* Couple GPU and HOST as gpu-specific and host-specific implementation of
|
|
|
1255 the same function. KIND determines whether GPU is a host-invokable kernel
|
|
|
1256 or gpu-callable function and GRIDIFIED_KERNEL_P is set if the function was
|
|
|
1257 gridified in OMP. */
|
|
|
1258
|
|
|
1259 void link_functions (cgraph_node *gpu, cgraph_node *host,
|
|
|
1260 hsa_function_kind kind, bool gridified_kernel_p);
|
|
|
1261
|
|
|
1262 private:
|
|
|
1263 void process_gpu_implementation_attributes (tree gdecl);
|
|
|
1264 };
|
|
|
1265
|
|
|
1266 /* OMP simple builtin describes behavior that should be done for
|
|
|
1267 the routine. */
|
|
|
1268 class omp_simple_builtin
|
|
|
1269 {
|
|
|
1270 public:
|
|
|
1271 omp_simple_builtin (const char *name, const char *warning_message,
|
|
|
1272 bool sorry, hsa_op_immed *return_value = NULL):
|
|
|
1273 m_name (name), m_warning_message (warning_message), m_sorry (sorry),
|
|
|
1274 m_return_value (return_value)
|
|
|
1275 {}
|
|
|
1276
|
|
|
1277 /* Generate HSAIL instructions for the builtin or produce warning message. */
|
|
|
1278 void generate (gimple *stmt, hsa_bb *hbb);
|
|
|
1279
|
|
|
1280 /* Name of function. */
|
|
|
1281 const char *m_name;
|
|
|
1282
|
|
|
1283 /* Warning message. */
|
|
|
1284 const char *m_warning_message;
|
|
|
1285
|
|
|
1286 /* Flag if we should sorry after the warning message is printed. */
|
|
|
1287 bool m_sorry;
|
|
|
1288
|
|
|
1289 /* Return value of the function. */
|
|
|
1290 hsa_op_immed *m_return_value;
|
|
|
1291
|
|
|
1292 /* Emission function. */
|
|
|
1293 void (*m_emit_func) (gimple *stmt, hsa_bb *);
|
|
|
1294 };
|
|
|
1295
|
|
|
1296 /* Class for hashing hsa_internal_fn. */
|
|
|
1297
|
|
|
1298 struct hsa_internal_fn_hasher: free_ptr_hash <hsa_internal_fn>
|
|
|
1299 {
|
|
|
1300 static inline hashval_t hash (const value_type);
|
|
|
1301 static inline bool equal (const value_type, const compare_type);
|
|
|
1302 };
|
|
|
1303
|
|
|
1304 /* Hash hsa_symbol. */
|
|
|
1305
|
|
|
1306 inline hashval_t
|
|
|
1307 hsa_internal_fn_hasher::hash (const value_type item)
|
|
|
1308 {
|
|
|
1309 return item->m_fn;
|
|
|
1310 }
|
|
|
1311
|
|
|
1312 /* Return true if the DECL_UIDs of decls both symbols refer to are equal. */
|
|
|
1313
|
|
|
1314 inline bool
|
|
|
1315 hsa_internal_fn_hasher::equal (const value_type a, const compare_type b)
|
|
|
1316 {
|
|
|
1317 return a->m_fn == b->m_fn && a->m_type_bit_size == b->m_type_bit_size;
|
|
|
1318 }
|
|
|
1319
|
|
|
1320 /* in hsa-common.c */
|
|
145
|
1321 extern class hsa_function_representation *hsa_cfun;
|
|
111
|
1322 extern hash_map <tree, vec <const char *> *> *hsa_decl_kernel_dependencies;
|
|
|
1323 extern hsa_summary_t *hsa_summaries;
|
|
|
1324 extern hsa_symbol *hsa_num_threads;
|
|
|
1325 extern unsigned hsa_kernel_calls_counter;
|
|
|
1326 extern hash_set <tree> *hsa_failed_functions;
|
|
|
1327 extern hash_table <hsa_noop_symbol_hasher> *hsa_global_variable_symbols;
|
|
|
1328
|
|
|
1329 bool hsa_callable_function_p (tree fndecl);
|
|
|
1330 void hsa_init_compilation_unit_data (void);
|
|
|
1331 void hsa_deinit_compilation_unit_data (void);
|
|
|
1332 bool hsa_machine_large_p (void);
|
|
|
1333 bool hsa_full_profile_p (void);
|
|
|
1334 bool hsa_opcode_floating_bit_insn_p (BrigOpcode16_t);
|
|
|
1335 unsigned hsa_type_bit_size (BrigType16_t t);
|
|
|
1336 BrigType16_t hsa_bittype_for_bitsize (unsigned bitsize);
|
|
|
1337 BrigType16_t hsa_uint_for_bitsize (unsigned bitsize);
|
|
|
1338 BrigType16_t hsa_float_for_bitsize (unsigned bitsize);
|
|
|
1339 BrigType16_t hsa_bittype_for_type (BrigType16_t t);
|
|
|
1340 BrigType16_t hsa_unsigned_type_for_type (BrigType16_t t);
|
|
|
1341 bool hsa_type_packed_p (BrigType16_t type);
|
|
|
1342 bool hsa_type_float_p (BrigType16_t type);
|
|
|
1343 bool hsa_type_integer_p (BrigType16_t type);
|
|
|
1344 bool hsa_btype_p (BrigType16_t type);
|
|
|
1345 BrigAlignment8_t hsa_alignment_encoding (unsigned n);
|
|
|
1346 BrigAlignment8_t hsa_natural_alignment (BrigType16_t type);
|
|
|
1347 BrigAlignment8_t hsa_object_alignment (tree t);
|
|
|
1348 unsigned hsa_byte_alignment (BrigAlignment8_t alignment);
|
|
|
1349 void hsa_destroy_operand (hsa_op_base *op);
|
|
|
1350 void hsa_destroy_insn (hsa_insn_basic *insn);
|
|
|
1351 void hsa_add_kern_decl_mapping (tree decl, char *name, unsigned, bool);
|
|
|
1352 unsigned hsa_get_number_decl_kernel_mappings (void);
|
|
|
1353 tree hsa_get_decl_kernel_mapping_decl (unsigned i);
|
|
|
1354 char *hsa_get_decl_kernel_mapping_name (unsigned i);
|
|
|
1355 unsigned hsa_get_decl_kernel_mapping_omp_size (unsigned i);
|
|
|
1356 bool hsa_get_decl_kernel_mapping_gridified (unsigned i);
|
|
|
1357 void hsa_free_decl_kernel_mapping (void);
|
|
|
1358 tree *hsa_get_ctor_statements (void);
|
|
|
1359 tree *hsa_get_dtor_statements (void);
|
|
|
1360 tree *hsa_get_kernel_dispatch_type (void);
|
|
|
1361 void hsa_add_kernel_dependency (tree caller, const char *called_function);
|
|
|
1362 void hsa_sanitize_name (char *p);
|
|
|
1363 char *hsa_brig_function_name (const char *p);
|
|
|
1364 const char *hsa_get_declaration_name (tree decl);
|
|
|
1365 void hsa_register_kernel (cgraph_node *host);
|
|
|
1366 void hsa_register_kernel (cgraph_node *gpu, cgraph_node *host);
|
|
|
1367 bool hsa_seen_error (void);
|
|
|
1368 void hsa_fail_cfun (void);
|
|
|
1369
|
|
|
1370 /* In hsa-gen.c. */
|
|
|
1371 void hsa_build_append_simple_mov (hsa_op_reg *, hsa_op_base *, hsa_bb *);
|
|
|
1372 hsa_symbol *hsa_get_spill_symbol (BrigType16_t);
|
|
|
1373 hsa_symbol *hsa_get_string_cst_symbol (BrigType16_t);
|
|
|
1374 hsa_op_reg *hsa_spill_in (hsa_insn_basic *, hsa_op_reg *, hsa_op_reg **);
|
|
|
1375 hsa_op_reg *hsa_spill_out (hsa_insn_basic *, hsa_op_reg *, hsa_op_reg **);
|
|
|
1376 hsa_bb *hsa_init_new_bb (basic_block);
|
|
|
1377 hsa_function_representation *hsa_generate_function_declaration (tree decl);
|
|
|
1378 hsa_function_representation *hsa_generate_internal_fn_decl (hsa_internal_fn *);
|
|
|
1379 tree hsa_get_host_function (tree decl);
|
|
|
1380
|
|
|
1381 /* In hsa-regalloc.c. */
|
|
|
1382 void hsa_regalloc (void);
|
|
|
1383
|
|
|
1384 /* In hsa-brig.c. */
|
|
|
1385 extern hash_table <hsa_internal_fn_hasher> *hsa_emitted_internal_decls;
|
|
|
1386 void hsa_brig_emit_function (void);
|
|
|
1387 void hsa_output_brig (void);
|
|
|
1388 unsigned hsa_get_imm_brig_type_len (BrigType16_t type);
|
|
|
1389 void hsa_brig_emit_omp_symbols (void);
|
|
|
1390
|
|
|
1391 /* In hsa-dump.c. */
|
|
|
1392 const char *hsa_seg_name (BrigSegment8_t);
|
|
|
1393 void dump_hsa_insn (FILE *f, hsa_insn_basic *insn);
|
|
|
1394 void dump_hsa_bb (FILE *, hsa_bb *);
|
|
|
1395 void dump_hsa_cfun (FILE *);
|
|
|
1396 DEBUG_FUNCTION void debug_hsa_operand (hsa_op_base *opc);
|
|
|
1397 DEBUG_FUNCTION void debug_hsa_insn (hsa_insn_basic *insn);
|
|
|
1398
|
|
|
1399 union hsa_bytes
|
|
|
1400 {
|
|
|
1401 uint8_t b8;
|
|
|
1402 uint16_t b16;
|
|
|
1403 uint32_t b32;
|
|
|
1404 uint64_t b64;
|
|
|
1405 };
|
|
|
1406
|
|
|
1407 /* Return true if a function DECL is an HSA implementation. */
|
|
|
1408
|
|
|
1409 static inline bool
|
|
|
1410 hsa_gpu_implementation_p (tree decl)
|
|
|
1411 {
|
|
|
1412 if (hsa_summaries == NULL)
|
|
|
1413 return false;
|
|
|
1414
|
|
|
1415 hsa_function_summary *s = hsa_summaries->get (cgraph_node::get_create (decl));
|
|
131
|
1416 return s != NULL && s->m_gpu_implementation_p;
|
|
111
|
1417 }
|
|
|
1418
|
|
|
1419 #endif /* HSA_H */
|
