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annotate src/share/vm/opto/vectornode.hpp @ 6614:006050192a5a

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6340864: Implement vectorization optimizations in hotspot-server Summary: Added asm encoding and mach nodes for vector arithmetic instructions on x86. Reviewed-by: roland
author kvn
date Mon, 20 Aug 2012 09:07:21 -0700
parents 8c92982cbbc4
children 5af51c882207
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1 /*
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2 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 #ifndef SHARE_VM_OPTO_VECTORNODE_HPP
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25 #define SHARE_VM_OPTO_VECTORNODE_HPP
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26
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27 #include "opto/matcher.hpp"
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28 #include "opto/memnode.hpp"
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29 #include "opto/node.hpp"
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30 #include "opto/opcodes.hpp"
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31
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32 //------------------------------VectorNode--------------------------------------
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33 // Vector Operation
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34 class VectorNode : public TypeNode {
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35 public:
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36
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37 VectorNode(Node* n1, const TypeVect* vt) : TypeNode(vt, 2) {
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38 init_class_id(Class_Vector);
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39 init_req(1, n1);
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40 }
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41 VectorNode(Node* n1, Node* n2, const TypeVect* vt) : TypeNode(vt, 3) {
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42 init_class_id(Class_Vector);
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43 init_req(1, n1);
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44 init_req(2, n2);
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45 }
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46
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47 const TypeVect* vect_type() const { return type()->is_vect(); }
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48 uint length() const { return vect_type()->length(); } // Vector length
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49 uint length_in_bytes() const { return vect_type()->length_in_bytes(); }
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50
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51 virtual int Opcode() const;
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52
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53 virtual uint ideal_reg() const { return Matcher::vector_ideal_reg(vect_type()->length_in_bytes()); }
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54
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55 static VectorNode* scalar2vector(Compile* C, Node* s, uint vlen, const Type* opd_t);
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56
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57 static VectorNode* make(Compile* C, int opc, Node* n1, Node* n2, uint vlen, BasicType bt);
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58
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59 static int opcode(int opc, uint vlen, BasicType bt);
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60 static bool implemented(int opc, uint vlen, BasicType bt);
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61 static bool is_shift(Node* n);
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62 static bool is_invariant_vector(Node* n);
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63 };
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64
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65 //===========================Vector=ALU=Operations====================================
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66
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67 //------------------------------AddVBNode---------------------------------------
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68 // Vector add byte
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69 class AddVBNode : public VectorNode {
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70 public:
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71 AddVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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72 virtual int Opcode() const;
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73 };
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74
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75 //------------------------------AddVSNode---------------------------------------
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76 // Vector add char/short
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77 class AddVSNode : public VectorNode {
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78 public:
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79 AddVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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80 virtual int Opcode() const;
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81 };
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82
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83 //------------------------------AddVINode---------------------------------------
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84 // Vector add int
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85 class AddVINode : public VectorNode {
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86 public:
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87 AddVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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88 virtual int Opcode() const;
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89 };
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90
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91 //------------------------------AddVLNode---------------------------------------
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92 // Vector add long
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93 class AddVLNode : public VectorNode {
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94 public:
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95 AddVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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96 virtual int Opcode() const;
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97 };
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98
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99 //------------------------------AddVFNode---------------------------------------
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100 // Vector add float
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101 class AddVFNode : public VectorNode {
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102 public:
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103 AddVFNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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104 virtual int Opcode() const;
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105 };
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106
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107 //------------------------------AddVDNode---------------------------------------
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108 // Vector add double
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109 class AddVDNode : public VectorNode {
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110 public:
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111 AddVDNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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112 virtual int Opcode() const;
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113 };
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114
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115 //------------------------------SubVBNode---------------------------------------
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116 // Vector subtract byte
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117 class SubVBNode : public VectorNode {
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118 public:
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119 SubVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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120 virtual int Opcode() const;
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121 };
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122
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123 //------------------------------SubVSNode---------------------------------------
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124 // Vector subtract short
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125 class SubVSNode : public VectorNode {
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126 public:
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127 SubVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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128 virtual int Opcode() const;
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129 };
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130
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131 //------------------------------SubVINode---------------------------------------
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132 // Vector subtract int
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133 class SubVINode : public VectorNode {
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134 public:
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135 SubVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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136 virtual int Opcode() const;
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137 };
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138
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139 //------------------------------SubVLNode---------------------------------------
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140 // Vector subtract long
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141 class SubVLNode : public VectorNode {
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142 public:
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143 SubVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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144 virtual int Opcode() const;
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145 };
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146
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147 //------------------------------SubVFNode---------------------------------------
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148 // Vector subtract float
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149 class SubVFNode : public VectorNode {
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150 public:
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151 SubVFNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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152 virtual int Opcode() const;
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153 };
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154
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155 //------------------------------SubVDNode---------------------------------------
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156 // Vector subtract double
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157 class SubVDNode : public VectorNode {
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158 public:
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159 SubVDNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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160 virtual int Opcode() const;
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161 };
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162
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163 //------------------------------MulVSNode---------------------------------------
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164 // Vector multiply short
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165 class MulVSNode : public VectorNode {
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166 public:
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167 MulVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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168 virtual int Opcode() const;
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169 };
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170
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171 //------------------------------MulVINode---------------------------------------
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172 // Vector multiply int
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173 class MulVINode : public VectorNode {
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174 public:
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175 MulVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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176 virtual int Opcode() const;
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177 };
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178
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179 //------------------------------MulVFNode---------------------------------------
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180 // Vector multiply float
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181 class MulVFNode : public VectorNode {
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182 public:
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183 MulVFNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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184 virtual int Opcode() const;
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185 };
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186
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187 //------------------------------MulVDNode---------------------------------------
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188 // Vector multiply double
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189 class MulVDNode : public VectorNode {
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190 public:
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191 MulVDNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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192 virtual int Opcode() const;
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193 };
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194
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195 //------------------------------DivVFNode---------------------------------------
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196 // Vector divide float
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197 class DivVFNode : public VectorNode {
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198 public:
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199 DivVFNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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200 virtual int Opcode() const;
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201 };
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202
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203 //------------------------------DivVDNode---------------------------------------
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204 // Vector Divide double
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205 class DivVDNode : public VectorNode {
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206 public:
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207 DivVDNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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208 virtual int Opcode() const;
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209 };
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210
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211 //------------------------------LShiftVBNode---------------------------------------
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212 // Vector left shift bytes
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213 class LShiftVBNode : public VectorNode {
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214 public:
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215 LShiftVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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216 virtual int Opcode() const;
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217 };
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218
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219 //------------------------------LShiftVSNode---------------------------------------
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220 // Vector left shift shorts
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221 class LShiftVSNode : public VectorNode {
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222 public:
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223 LShiftVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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224 virtual int Opcode() const;
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225 };
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226
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227 //------------------------------LShiftVINode---------------------------------------
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228 // Vector left shift ints
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229 class LShiftVINode : public VectorNode {
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230 public:
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231 LShiftVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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232 virtual int Opcode() const;
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233 };
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234
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235 //------------------------------LShiftVLNode---------------------------------------
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236 // Vector left shift longs
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237 class LShiftVLNode : public VectorNode {
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238 public:
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239 LShiftVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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240 virtual int Opcode() const;
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241 };
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242
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243 //------------------------------RShiftVBNode---------------------------------------
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244 // Vector right arithmetic (signed) shift bytes
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245 class RShiftVBNode : public VectorNode {
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246 public:
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247 RShiftVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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248 virtual int Opcode() const;
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249 };
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250
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251 //------------------------------RShiftVSNode---------------------------------------
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252 // Vector right arithmetic (signed) shift shorts
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253 class RShiftVSNode : public VectorNode {
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254 public:
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255 RShiftVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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256 virtual int Opcode() const;
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257 };
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258
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259 //------------------------------RShiftVINode---------------------------------------
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260 // Vector right arithmetic (signed) shift ints
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261 class RShiftVINode : public VectorNode {
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262 public:
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263 RShiftVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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264 virtual int Opcode() const;
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265 };
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266
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267 //------------------------------RShiftVLNode---------------------------------------
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268 // Vector right arithmetic (signed) shift longs
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269 class RShiftVLNode : public VectorNode {
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270 public:
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271 RShiftVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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272 virtual int Opcode() const;
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273 };
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274
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275 //------------------------------URShiftVBNode---------------------------------------
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276 // Vector right logical (unsigned) shift bytes
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277 class URShiftVBNode : public VectorNode {
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278 public:
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279 URShiftVBNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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280 virtual int Opcode() const;
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281 };
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282
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283 //------------------------------URShiftVSNode---------------------------------------
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284 // Vector right logical (unsigned) shift shorts
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285 class URShiftVSNode : public VectorNode {
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286 public:
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287 URShiftVSNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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288 virtual int Opcode() const;
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289 };
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290
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291 //------------------------------URShiftVINode---------------------------------------
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292 // Vector right logical (unsigned) shift ints
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293 class URShiftVINode : public VectorNode {
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294 public:
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295 URShiftVINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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296 virtual int Opcode() const;
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297 };
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298
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299 //------------------------------URShiftVLNode---------------------------------------
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300 // Vector right logical (unsigned) shift longs
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301 class URShiftVLNode : public VectorNode {
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302 public:
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303 URShiftVLNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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304 virtual int Opcode() const;
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305 };
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306
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307
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308 //------------------------------AndVNode---------------------------------------
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309 // Vector and integer
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310 class AndVNode : public VectorNode {
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311 public:
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312 AndVNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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313 virtual int Opcode() const;
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314 };
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315
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316 //------------------------------OrVNode---------------------------------------
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317 // Vector or integer
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318 class OrVNode : public VectorNode {
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319 public:
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320 OrVNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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321 virtual int Opcode() const;
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322 };
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323
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324 //------------------------------XorVNode---------------------------------------
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325 // Vector xor integer
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326 class XorVNode : public VectorNode {
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327 public:
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328 XorVNode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1,in2,vt) {}
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329 virtual int Opcode() const;
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330 };
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331
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332 //================================= M E M O R Y ===============================
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333
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334 //------------------------------LoadVectorNode---------------------------------
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335 // Load Vector from memory
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336 class LoadVectorNode : public LoadNode {
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337 public:
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338 LoadVectorNode(Node* c, Node* mem, Node* adr, const TypePtr* at, const TypeVect* vt)
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339 : LoadNode(c, mem, adr, at, vt) {
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340 init_class_id(Class_LoadVector);
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341 }
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342
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343 const TypeVect* vect_type() const { return type()->is_vect(); }
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344 uint length() const { return vect_type()->length(); } // Vector length
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345
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346 virtual int Opcode() const;
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347
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348 virtual uint ideal_reg() const { return Matcher::vector_ideal_reg(memory_size()); }
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349 virtual BasicType memory_type() const { return T_VOID; }
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350 virtual int memory_size() const { return vect_type()->length_in_bytes(); }
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351
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352 virtual int store_Opcode() const { return Op_StoreVector; }
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353
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354 static LoadVectorNode* make(Compile* C, int opc, Node* ctl, Node* mem,
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355 Node* adr, const TypePtr* atyp, uint vlen, BasicType bt);
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356 };
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357
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358 //------------------------------StoreVectorNode--------------------------------
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359 // Store Vector to memory
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360 class StoreVectorNode : public StoreNode {
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361 public:
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362 StoreVectorNode(Node* c, Node* mem, Node* adr, const TypePtr* at, Node* val)
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363 : StoreNode(c, mem, adr, at, val) {
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364 assert(val->is_Vector() || val->is_LoadVector(), "sanity");
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365 init_class_id(Class_StoreVector);
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366 }
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367
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368 const TypeVect* vect_type() const { return in(MemNode::ValueIn)->bottom_type()->is_vect(); }
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369 uint length() const { return vect_type()->length(); } // Vector length
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370
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371 virtual int Opcode() const;
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372
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373 virtual uint ideal_reg() const { return Matcher::vector_ideal_reg(memory_size()); }
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374 virtual BasicType memory_type() const { return T_VOID; }
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375 virtual int memory_size() const { return vect_type()->length_in_bytes(); }
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376
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377 static StoreVectorNode* make(Compile* C, int opc, Node* ctl, Node* mem,
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378 Node* adr, const TypePtr* atyp, Node* val,
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379 uint vlen);
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380 };
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381
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382
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383 //=========================Promote_Scalar_to_Vector============================
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384
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385 //------------------------------ReplicateBNode---------------------------------
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386 // Replicate byte scalar to be vector
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387 class ReplicateBNode : public VectorNode {
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388 public:
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389 ReplicateBNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
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390 virtual int Opcode() const;
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391 };
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392
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393 //------------------------------ReplicateSNode---------------------------------
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394 // Replicate short scalar to be vector
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395 class ReplicateSNode : public VectorNode {
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396 public:
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397 ReplicateSNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
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398 virtual int Opcode() const;
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399 };
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400
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401 //------------------------------ReplicateINode---------------------------------
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402 // Replicate int scalar to be vector
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403 class ReplicateINode : public VectorNode {
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404 public:
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405 ReplicateINode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
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406 virtual int Opcode() const;
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407 };
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408
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409 //------------------------------ReplicateLNode---------------------------------
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410 // Replicate long scalar to be vector
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411 class ReplicateLNode : public VectorNode {
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412 public:
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413 ReplicateLNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
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414 virtual int Opcode() const;
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415 };
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416
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417 //------------------------------ReplicateFNode---------------------------------
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418 // Replicate float scalar to be vector
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419 class ReplicateFNode : public VectorNode {
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420 public:
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421 ReplicateFNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
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422 virtual int Opcode() const;
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423 };
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424
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425 //------------------------------ReplicateDNode---------------------------------
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426 // Replicate double scalar to be vector
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427 class ReplicateDNode : public VectorNode {
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428 public:
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429 ReplicateDNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
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430 virtual int Opcode() const;
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431 };
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432
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433 //========================Pack_Scalars_into_a_Vector===========================
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434
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435 //------------------------------PackNode---------------------------------------
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436 // Pack parent class (not for code generation).
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437 class PackNode : public VectorNode {
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438 public:
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439 PackNode(Node* in1, const TypeVect* vt) : VectorNode(in1, vt) {}
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440 PackNode(Node* in1, Node* n2, const TypeVect* vt) : VectorNode(in1, n2, vt) {}
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441 virtual int Opcode() const;
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442
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443 void add_opd(uint i, Node* n) {
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444 init_req(i+1, n);
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445 }
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446
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447 // Create a binary tree form for Packs. [lo, hi) (half-open) range
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448 Node* binaryTreePack(Compile* C, int lo, int hi);
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449
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450 static PackNode* make(Compile* C, Node* s, uint vlen, BasicType bt);
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451 };
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452
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453 //------------------------------PackBNode---------------------------------------
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454 // Pack byte scalars into vector
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455 class PackBNode : public PackNode {
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456 public:
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457 PackBNode(Node* in1, const TypeVect* vt) : PackNode(in1, vt) {}
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458 virtual int Opcode() const;
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459 };
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460
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461 //------------------------------PackSNode---------------------------------------
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462 // Pack short scalars into a vector
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463 class PackSNode : public PackNode {
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464 public:
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465 PackSNode(Node* in1, const TypeVect* vt) : PackNode(in1, vt) {}
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466 PackSNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
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467 virtual int Opcode() const;
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468 };
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469
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470 //------------------------------PackINode---------------------------------------
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471 // Pack integer scalars into a vector
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472 class PackINode : public PackNode {
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473 public:
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474 PackINode(Node* in1, const TypeVect* vt) : PackNode(in1, vt) {}
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475 PackINode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
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476 virtual int Opcode() const;
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477 };
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478
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479 //------------------------------PackLNode---------------------------------------
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480 // Pack long scalars into a vector
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481 class PackLNode : public PackNode {
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482 public:
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483 PackLNode(Node* in1, const TypeVect* vt) : PackNode(in1, vt) {}
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484 PackLNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
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485 virtual int Opcode() const;
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486 };
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487
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488 //------------------------------Pack2LNode--------------------------------------
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489 // Pack 2 long scalars into a vector
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490 class Pack2LNode : public PackNode {
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491 public:
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492 Pack2LNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
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493 virtual int Opcode() const;
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494 };
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495
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496 //------------------------------PackFNode---------------------------------------
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497 // Pack float scalars into vector
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498 class PackFNode : public PackNode {
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499 public:
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500 PackFNode(Node* in1, const TypeVect* vt) : PackNode(in1, vt) {}
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501 PackFNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
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502 virtual int Opcode() const;
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503 };
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504
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505 //------------------------------PackDNode---------------------------------------
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506 // Pack double scalars into a vector
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507 class PackDNode : public PackNode {
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508 public:
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509 PackDNode(Node* in1, const TypeVect* vt) : PackNode(in1, vt) {}
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510 PackDNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
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511 virtual int Opcode() const;
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512 };
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513
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514 //------------------------------Pack2DNode--------------------------------------
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515 // Pack 2 double scalars into a vector
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516 class Pack2DNode : public PackNode {
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517 public:
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518 Pack2DNode(Node* in1, Node* in2, const TypeVect* vt) : PackNode(in1, in2, vt) {}
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519 virtual int Opcode() const;
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520 };
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521
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522
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523 //========================Extract_Scalar_from_Vector===============================
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524
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525 //------------------------------ExtractNode---------------------------------------
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526 // Extract a scalar from a vector at position "pos"
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527 class ExtractNode : public Node {
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528 public:
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529 ExtractNode(Node* src, ConINode* pos) : Node(NULL, src, (Node*)pos) {
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530 assert(in(2)->get_int() >= 0, "positive constants");
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531 }
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532 virtual int Opcode() const;
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533 uint pos() const { return in(2)->get_int(); }
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534
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535 static Node* make(Compile* C, Node* v, uint position, BasicType bt);
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536 };
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537
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538 //------------------------------ExtractBNode---------------------------------------
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539 // Extract a byte from a vector at position "pos"
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540 class ExtractBNode : public ExtractNode {
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541 public:
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542 ExtractBNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
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543 virtual int Opcode() const;
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544 virtual const Type *bottom_type() const { return TypeInt::INT; }
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545 virtual uint ideal_reg() const { return Op_RegI; }
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546 };
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547
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548 //------------------------------ExtractUBNode--------------------------------------
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549 // Extract a boolean from a vector at position "pos"
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550 class ExtractUBNode : public ExtractNode {
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551 public:
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552 ExtractUBNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
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553 virtual int Opcode() const;
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554 virtual const Type *bottom_type() const { return TypeInt::INT; }
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555 virtual uint ideal_reg() const { return Op_RegI; }
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556 };
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557
0
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558 //------------------------------ExtractCNode---------------------------------------
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559 // Extract a char from a vector at position "pos"
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560 class ExtractCNode : public ExtractNode {
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561 public:
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562 ExtractCNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
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563 virtual int Opcode() const;
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564 virtual const Type *bottom_type() const { return TypeInt::INT; }
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565 virtual uint ideal_reg() const { return Op_RegI; }
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566 };
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567
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568 //------------------------------ExtractSNode---------------------------------------
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569 // Extract a short from a vector at position "pos"
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570 class ExtractSNode : public ExtractNode {
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571 public:
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572 ExtractSNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
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573 virtual int Opcode() const;
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574 virtual const Type *bottom_type() const { return TypeInt::INT; }
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575 virtual uint ideal_reg() const { return Op_RegI; }
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576 };
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577
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578 //------------------------------ExtractINode---------------------------------------
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579 // Extract an int from a vector at position "pos"
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580 class ExtractINode : public ExtractNode {
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581 public:
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582 ExtractINode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
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583 virtual int Opcode() const;
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584 virtual const Type *bottom_type() const { return TypeInt::INT; }
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585 virtual uint ideal_reg() const { return Op_RegI; }
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586 };
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587
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588 //------------------------------ExtractLNode---------------------------------------
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589 // Extract a long from a vector at position "pos"
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590 class ExtractLNode : public ExtractNode {
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591 public:
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592 ExtractLNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
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593 virtual int Opcode() const;
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594 virtual const Type *bottom_type() const { return TypeLong::LONG; }
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595 virtual uint ideal_reg() const { return Op_RegL; }
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596 };
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597
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598 //------------------------------ExtractFNode---------------------------------------
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599 // Extract a float from a vector at position "pos"
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600 class ExtractFNode : public ExtractNode {
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601 public:
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602 ExtractFNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
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603 virtual int Opcode() const;
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604 virtual const Type *bottom_type() const { return Type::FLOAT; }
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605 virtual uint ideal_reg() const { return Op_RegF; }
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606 };
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607
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608 //------------------------------ExtractDNode---------------------------------------
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609 // Extract a double from a vector at position "pos"
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610 class ExtractDNode : public ExtractNode {
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611 public:
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612 ExtractDNode(Node* src, ConINode* pos) : ExtractNode(src, pos) {}
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613 virtual int Opcode() const;
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614 virtual const Type *bottom_type() const { return Type::DOUBLE; }
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615 virtual uint ideal_reg() const { return Op_RegD; }
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616 };
1972
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617
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618 #endif // SHARE_VM_OPTO_VECTORNODE_HPP