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annotate graal/com.oracle.graal.lir.hsail/src/com/oracle/graal/lir/hsail/HSAILMove.java @ 13891:bc471f405eb8

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HSAIL: support for storing immediates Contributed-by: Eric Caspole <eric.caspole@amd.com>
author Doug Simon <doug.simon@oracle.com>
date Thu, 06 Feb 2014 11:24:00 +0100
parents 1a66453f73db
children 390c4b742890
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1 /*
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2 * Copyright (c) 2013, 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 package com.oracle.graal.lir.hsail;
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24
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25 import static com.oracle.graal.api.code.ValueUtil.*;
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26 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;
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27
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28 import com.oracle.graal.api.code.*;
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29 import com.oracle.graal.api.meta.*;
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30 import com.oracle.graal.asm.hsail.*;
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31 import com.oracle.graal.debug.*;
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32 import com.oracle.graal.graph.*;
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33 import com.oracle.graal.lir.*;
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34 import com.oracle.graal.lir.StandardOp.MoveOp;
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35 import com.oracle.graal.lir.asm.*;
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36
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37 /**
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38 * Implementation of move instructions.
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39 */
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40 public class HSAILMove {
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41
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42 // Stack size in bytes (used to keep track of spilling).
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43 static int maxDatatypeSize;
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44 // Maximum stack offset used by a store operation.
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45 static long maxStackOffset = 0;
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46
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47 public static long upperBoundStackSize() {
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48 return maxStackOffset + maxDatatypeSize;
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49 }
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50
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51 @Opcode("MOVE")
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52 public static class SpillMoveOp extends HSAILLIRInstruction implements MoveOp {
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53
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54 @Def({REG, STACK}) protected AllocatableValue result;
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55 @Use({REG, STACK, CONST}) protected Value input;
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56
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57 public SpillMoveOp(AllocatableValue result, Value input) {
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58 this.result = result;
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59 this.input = input;
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60 }
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61
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62 @Override
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63 public void emitCode(CompilationResultBuilder crb, HSAILAssembler masm) {
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64 move(crb, masm, getResult(), getInput());
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65 }
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66
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67 @Override
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68 public Value getInput() {
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69 return input;
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70 }
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71
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72 @Override
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73 public AllocatableValue getResult() {
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74 return result;
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75 }
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76 }
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77
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78 @Opcode("MOVE")
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79 public static class MoveToRegOp extends HSAILLIRInstruction implements MoveOp {
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80
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81 @Def({REG, HINT}) protected AllocatableValue result;
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82 @Use({REG, STACK, CONST}) protected Value input;
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83
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84 public MoveToRegOp(AllocatableValue result, Value input) {
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85 this.result = result;
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86 this.input = input;
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87 }
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88
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89 @Override
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90 public void emitCode(CompilationResultBuilder crb, HSAILAssembler masm) {
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91 move(crb, masm, getResult(), getInput());
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92 }
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93
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94 @Override
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95 public Value getInput() {
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96 return input;
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97 }
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98
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99 @Override
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100 public AllocatableValue getResult() {
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101 return result;
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102 }
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103 }
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104
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105 @Opcode("MOVE")
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106 public static class MoveFromRegOp extends HSAILLIRInstruction implements MoveOp {
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107
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108 @Def({REG, STACK}) protected AllocatableValue result;
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109 @Use({REG, CONST, HINT}) protected Value input;
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110
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111 public MoveFromRegOp(AllocatableValue result, Value input) {
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112 this.result = result;
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113 this.input = input;
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114 }
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115
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116 @Override
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117 public void emitCode(CompilationResultBuilder crb, HSAILAssembler masm) {
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118 move(crb, masm, getResult(), getInput());
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119 }
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120
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121 @Override
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122 public Value getInput() {
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123 return input;
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124 }
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125
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126 @Override
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127 public AllocatableValue getResult() {
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128 return result;
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129 }
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130 }
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131
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132 public abstract static class MemOp extends HSAILLIRInstruction {
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133
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134 protected final Kind kind;
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135 @Use({COMPOSITE}) protected HSAILAddressValue address;
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136 @State protected LIRFrameState state;
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137
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138 public MemOp(Kind kind, HSAILAddressValue address, LIRFrameState state) {
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139 this.kind = kind;
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140 this.address = address;
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141 this.state = state;
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142 }
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143
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144 protected abstract void emitMemAccess(HSAILAssembler masm);
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145
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146 @Override
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147 public void emitCode(CompilationResultBuilder crb, HSAILAssembler masm) {
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148 if (state != null) {
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149 // crb.recordImplicitException(masm.codeBuffer.position(), state);
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150 throw new InternalError("NYI");
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151 }
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152 emitMemAccess(masm);
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153 }
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154 }
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155
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156 public static class MembarOp extends HSAILLIRInstruction {
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157
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158 private final int barriers;
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159
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160 public MembarOp(final int barriers) {
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161 this.barriers = barriers;
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162 }
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163
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164 @Override
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165 public void emitCode(CompilationResultBuilder crb, HSAILAssembler masm) {
12742
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166 masm.emitMembar(barriers);
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167 }
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168 }
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169
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170 public static class LoadOp extends MemOp {
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171
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172 @Def({REG}) protected AllocatableValue result;
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173
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174 public LoadOp(Kind kind, AllocatableValue result, HSAILAddressValue address, LIRFrameState state) {
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175 super(kind, address, state);
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176 this.result = result;
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177 }
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178
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179 @Override
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180 public void emitMemAccess(HSAILAssembler masm) {
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181 HSAILAddress addr = address.toAddress();
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182 masm.emitLoad(kind, result, addr);
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183 }
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184 }
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185
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186 public static class StoreOp extends MemOp {
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187
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188 @Use({REG}) protected AllocatableValue input;
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189
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190 public StoreOp(Kind kind, HSAILAddressValue address, AllocatableValue input, LIRFrameState state) {
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191 super(kind, address, state);
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192 this.input = input;
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193 }
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194
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195 @Override
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196 public void emitMemAccess(HSAILAssembler masm) {
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197 assert isRegister(input);
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198 HSAILAddress addr = address.toAddress();
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199 masm.emitStore(kind, input, addr);
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200 }
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201 }
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202
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203 public static class StoreConstantOp extends MemOp {
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204
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205 protected final Constant input;
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206
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207 public StoreConstantOp(Kind kind, HSAILAddressValue address, Constant input, LIRFrameState state) {
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208 super(kind, address, state);
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209 this.input = input;
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210 }
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211
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212 @Override
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213 public void emitMemAccess(HSAILAssembler masm) {
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214 switch (kind) {
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215 case Boolean:
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216 case Byte:
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217 masm.emitStoreImmediate(kind, input.asLong() & 0xFF, address.toAddress());
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218 break;
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219 case Char:
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220 case Short:
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221 masm.emitStoreImmediate(kind, input.asLong() & 0xFFFF, address.toAddress());
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222 break;
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223 case Int:
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224 case Long:
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225 masm.emitStoreImmediate(kind, input.asLong(), address.toAddress());
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226 break;
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227 case Float:
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228 masm.emitStoreImmediate(input.asFloat(), address.toAddress());
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229 break;
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230 case Double:
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231 masm.emitStoreImmediate(input.asDouble(), address.toAddress());
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232 break;
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233 case Object:
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234 if (input.isNull()) {
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235 masm.emitStoreImmediate(kind, 0L, address.toAddress());
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236 } else {
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237 throw GraalInternalError.shouldNotReachHere("Cannot store 64-bit constants to object ref");
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238 }
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239 break;
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240 case NarrowOop:
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241 if (input.isNull()) {
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242 masm.emitStoreImmediate(kind, 0L, address.toAddress());
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diff changeset
243 } else {
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244 throw GraalInternalError.shouldNotReachHere("Cannot store 64-bit constants to object ref");
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245 }
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246 break;
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diff changeset
247 default:
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248 throw GraalInternalError.shouldNotReachHere();
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249 }
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250 }
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251 }
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252
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253 public static class LoadCompressedPointer extends LoadOp {
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254
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255 private final long base;
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256 private final int shift;
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257 private final int alignment;
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diff changeset
258 @Temp({REG}) private AllocatableValue scratch;
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259
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260 public LoadCompressedPointer(Kind kind, AllocatableValue result, AllocatableValue scratch, HSAILAddressValue address, LIRFrameState state, long base, int shift, int alignment) {
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diff changeset
261 super(kind, result, address, state);
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diff changeset
262 this.base = base;
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diff changeset
263 this.shift = shift;
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diff changeset
264 this.alignment = alignment;
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265 this.scratch = scratch;
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266 assert kind == Kind.Object || kind == Kind.Long;
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267 }
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268
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diff changeset
269 @Override
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diff changeset
270 public void emitMemAccess(HSAILAssembler masm) {
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diff changeset
271 // we will do a 32 bit load, zero extending into a 64 bit register
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diff changeset
272 masm.emitLoad(result, address.toAddress(), "u32");
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273 boolean testForNull = (kind == Kind.Object);
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diff changeset
274 decodePointer(masm, result, base, shift, alignment, testForNull);
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275 }
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diff changeset
276 }
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diff changeset
277
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diff changeset
278 public static class StoreCompressedPointer extends HSAILLIRInstruction {
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279
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diff changeset
280 protected final Kind kind;
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diff changeset
281 private final long base;
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diff changeset
282 private final int shift;
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diff changeset
283 private final int alignment;
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284 @Temp({REG}) private AllocatableValue scratch;
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diff changeset
285 @Alive({REG}) protected AllocatableValue input;
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diff changeset
286 @Alive({COMPOSITE}) protected HSAILAddressValue address;
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diff changeset
287 @State protected LIRFrameState state;
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diff changeset
288
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diff changeset
289 public StoreCompressedPointer(Kind kind, HSAILAddressValue address, AllocatableValue input, AllocatableValue scratch, LIRFrameState state, long base, int shift, int alignment) {
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diff changeset
290 this.base = base;
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diff changeset
291 this.shift = shift;
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diff changeset
292 this.alignment = alignment;
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diff changeset
293 this.scratch = scratch;
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diff changeset
294 this.kind = kind;
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diff changeset
295 this.address = address;
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diff changeset
296 this.state = state;
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diff changeset
297 this.input = input;
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diff changeset
298 assert kind == Kind.Object || kind == Kind.Long;
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299 }
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diff changeset
300
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diff changeset
301 @Override
13227
1a66453f73db renamed TargetMethodAssembler to CompilationResultBuilder
Doug Simon <doug.simon@oracle.com>
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diff changeset
302 public void emitCode(CompilationResultBuilder crb, HSAILAssembler masm) {
10769
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diff changeset
303 masm.emitMov(scratch, input);
12698
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diff changeset
304 boolean testForNull = (kind == Kind.Object);
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diff changeset
305 encodePointer(masm, scratch, base, shift, alignment, testForNull);
10769
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diff changeset
306 if (state != null) {
395d34c10e26 HSAIL backend changes
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parents: 10662
diff changeset
307 throw new InternalError("NYI");
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308 // crb.recordImplicitException(masm.codeBuffer.position(), state);
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309 }
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310 masm.emitStore(scratch, address.toAddress(), "u32");
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311 }
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312 }
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313
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314 private static void encodePointer(HSAILAssembler masm, Value scratch, long base, int shift, int alignment, boolean testForNull) {
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315 if (base == 0 && shift == 0) {
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316 return;
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317 }
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318 if (shift != 0) {
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319 assert alignment == shift : "Encode algorithm is wrong";
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320 }
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321 masm.emitCompressedOopEncode(scratch, base, shift, testForNull);
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322 }
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323
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324 private static void decodePointer(HSAILAssembler masm, Value result, long base, int shift, int alignment, boolean testForNull) {
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325 if (base == 0 && shift == 0) {
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326 return;
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327 }
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328 if (shift != 0) {
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329 assert alignment == shift : "Decode algorithm is wrong";
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330 }
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331 masm.emitCompressedOopDecode(result, base, shift, testForNull);
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332 }
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333
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334 public static class LeaOp extends HSAILLIRInstruction {
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335
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336 @Def({REG}) protected AllocatableValue result;
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337 @Use({COMPOSITE, UNINITIALIZED}) protected HSAILAddressValue address;
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338
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339 public LeaOp(AllocatableValue result, HSAILAddressValue address) {
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340 this.result = result;
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341 this.address = address;
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342 }
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343
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344 @Override
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345 public void emitCode(CompilationResultBuilder crb, HSAILAssembler masm) {
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346 throw new InternalError("NYI");
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347 }
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348 }
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349
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350 public static class StackLeaOp extends HSAILLIRInstruction {
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351
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352 @Def({REG}) protected AllocatableValue result;
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353 @Use({STACK, UNINITIALIZED}) protected StackSlot slot;
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354
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355 public StackLeaOp(AllocatableValue result, StackSlot slot) {
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356 this.result = result;
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357 this.slot = slot;
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358 }
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359
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360 @Override
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361 public void emitCode(CompilationResultBuilder crb, HSAILAssembler masm) {
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362 throw new InternalError("NYI");
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363 }
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364 }
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365
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366 @Opcode("CAS")
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367 public static class CompareAndSwapOp extends HSAILLIRInstruction {
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368
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369 @Def protected AllocatableValue result;
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370 @Use({COMPOSITE}) protected HSAILAddressValue address;
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371 @Use protected AllocatableValue cmpValue;
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372 @Use protected AllocatableValue newValue;
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373
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374 public CompareAndSwapOp(AllocatableValue result, HSAILAddressValue address, AllocatableValue cmpValue, AllocatableValue newValue) {
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375 this.result = result;
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376 this.address = address;
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377 this.cmpValue = cmpValue;
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378 this.newValue = newValue;
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379 }
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380
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381 @Override
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382 public void emitCode(CompilationResultBuilder crb, HSAILAssembler masm) {
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383 masm.emitAtomicCas(result, address.toAddress(), cmpValue, newValue);
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384 }
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385 }
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386
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387 @Opcode("CAS")
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388 public static class CompareAndSwapCompressedOp extends CompareAndSwapOp {
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389
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390 @Temp({REG}) private AllocatableValue scratchCmpValue64;
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391 @Temp({REG}) private AllocatableValue scratchNewValue64;
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392 @Temp({REG}) private AllocatableValue scratchCmpValue32;
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393 @Temp({REG}) private AllocatableValue scratchNewValue32;
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394 @Temp({REG}) private AllocatableValue scratchCasResult32;
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395 private final long base;
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396 private final int shift;
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397 private final int alignment;
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398
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399 public CompareAndSwapCompressedOp(AllocatableValue result, HSAILAddressValue address, AllocatableValue cmpValue, AllocatableValue newValue, AllocatableValue scratchCmpValue64,
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400 AllocatableValue scratchNewValue64, AllocatableValue scratchCmpValue32, AllocatableValue scratchNewValue32, AllocatableValue scratchCasResult32, long base, int shift,
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401 int alignment) {
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402 super(result, address, cmpValue, newValue);
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403 this.scratchCmpValue64 = scratchCmpValue64;
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diff changeset
404 this.scratchNewValue64 = scratchNewValue64;
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405 this.scratchCmpValue32 = scratchCmpValue32;
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diff changeset
406 this.scratchNewValue32 = scratchNewValue32;
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407 this.scratchCasResult32 = scratchCasResult32;
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408 this.base = base;
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409 this.shift = shift;
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410 this.alignment = alignment;
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411 }
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412
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diff changeset
413 @Override
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414 public void emitCode(CompilationResultBuilder crb, HSAILAssembler masm) {
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diff changeset
415 // assume any encoded or decoded value could be null
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416 boolean testForNull = true;
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diff changeset
417 // set up scratch registers to be encoded versions
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diff changeset
418 masm.emitMov(scratchCmpValue64, cmpValue);
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diff changeset
419 encodePointer(masm, scratchCmpValue64, base, shift, alignment, testForNull);
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420 masm.emitMov(scratchNewValue64, newValue);
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diff changeset
421 encodePointer(masm, scratchNewValue64, base, shift, alignment, testForNull);
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diff changeset
422 // get encoded versions into 32-bit registers
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diff changeset
423 masm.emitConvertForceUnsigned(scratchCmpValue32, scratchCmpValue64);
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diff changeset
424 masm.emitConvertForceUnsigned(scratchNewValue32, scratchNewValue64);
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diff changeset
425 // finally do the cas
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diff changeset
426 masm.emitAtomicCas(scratchCasResult32, address.toAddress(), scratchCmpValue32, scratchNewValue32);
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diff changeset
427 // and convert the 32-bit CasResult back to 64-bit
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diff changeset
428 masm.emitConvertForceUnsigned(result, scratchCasResult32);
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diff changeset
429 // and decode/uncompress the 64-bit cas result
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diff changeset
430 decodePointer(masm, result, base, shift, alignment, testForNull);
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431 }
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diff changeset
432 }
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diff changeset
433
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diff changeset
434 public static class NullCheckOp extends HSAILLIRInstruction {
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435
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436 @Use protected Value input;
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diff changeset
437 @State protected LIRFrameState state;
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diff changeset
438
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439 public NullCheckOp(Variable input, LIRFrameState state) {
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440 this.input = input;
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441 this.state = state;
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442 }
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443
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444 @Override
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445 public void emitCode(CompilationResultBuilder crb, HSAILAssembler masm) {
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446 Debug.log("NullCheckOp unimplemented");
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447 }
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448 }
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449
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diff changeset
450 @SuppressWarnings("unused")
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Doug Simon <doug.simon@oracle.com>
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451 public static void move(CompilationResultBuilder crb, HSAILAssembler masm, Value result, Value input) {
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Doug Simon <doug.simon@oracle.com>
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452 if (isRegister(input)) {
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Doug Simon <doug.simon@oracle.com>
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453 if (isRegister(result)) {
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Doug Simon <doug.simon@oracle.com>
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454 masm.emitMov(result, input);
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Doug Simon <doug.simon@oracle.com>
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455 } else if (isStackSlot(result)) {
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Doug Simon <doug.simon@oracle.com>
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456 masm.emitSpillStore(input, result);
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Doug Simon <doug.simon@oracle.com>
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457 } else {
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Doug Simon <doug.simon@oracle.com>
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458 throw GraalInternalError.shouldNotReachHere();
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Doug Simon <doug.simon@oracle.com>
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459 }
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Doug Simon <doug.simon@oracle.com>
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460 } else if (isStackSlot(input)) {
4ef92b67aeae added HSAIL backend and tests
Doug Simon <doug.simon@oracle.com>
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461 if (isRegister(result)) {
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Doug Simon <doug.simon@oracle.com>
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462 masm.emitSpillLoad(result, input);
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Doug Simon <doug.simon@oracle.com>
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463 } else {
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Doug Simon <doug.simon@oracle.com>
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464 throw GraalInternalError.shouldNotReachHere();
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Doug Simon <doug.simon@oracle.com>
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465 }
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Doug Simon <doug.simon@oracle.com>
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466 } else if (isConstant(input)) {
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Doug Simon <doug.simon@oracle.com>
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467 if (isRegister(result)) {
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Doug Simon <doug.simon@oracle.com>
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468 masm.emitMov(result, input);
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Doug Simon <doug.simon@oracle.com>
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469 } else {
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Doug Simon <doug.simon@oracle.com>
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470 throw GraalInternalError.shouldNotReachHere();
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Doug Simon <doug.simon@oracle.com>
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471 }
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Doug Simon <doug.simon@oracle.com>
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472 } else {
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Doug Simon <doug.simon@oracle.com>
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473 throw GraalInternalError.shouldNotReachHere();
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Doug Simon <doug.simon@oracle.com>
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474 }
4ef92b67aeae added HSAIL backend and tests
Doug Simon <doug.simon@oracle.com>
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475 }
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Doug Simon <doug.simon@oracle.com>
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476 }