author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:32:07 +0300 | |
changeset 2 | 303757a437d3 |
parent 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (C) 2008, 2009 Apple Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "config.h" |
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|
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#if ENABLE(JIT) |
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#include "JIT.h" |
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// This probably does not belong here; adding here for now as a quick Windows build fix. |
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#if ENABLE(ASSEMBLER) && CPU(X86) && !OS(MAC_OS_X) |
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#include "MacroAssembler.h" |
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JSC::MacroAssemblerX86Common::SSE2CheckState JSC::MacroAssemblerX86Common::s_sse2CheckState = NotCheckedSSE2; |
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#endif |
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#include "CodeBlock.h" |
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#include "Interpreter.h" |
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#include "JITInlineMethods.h" |
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#include "JITStubCall.h" |
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#include "JSArray.h" |
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#include "JSFunction.h" |
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#include "LinkBuffer.h" |
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#include "RepatchBuffer.h" |
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#include "ResultType.h" |
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#include "SamplingTool.h" |
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#ifndef NDEBUG |
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#include <stdio.h> |
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#endif |
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using namespace std; |
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namespace JSC { |
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void ctiPatchNearCallByReturnAddress(CodeBlock* codeblock, ReturnAddressPtr returnAddress, MacroAssemblerCodePtr newCalleeFunction) |
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{ |
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RepatchBuffer repatchBuffer(codeblock); |
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repatchBuffer.relinkNearCallerToTrampoline(returnAddress, newCalleeFunction); |
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} |
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void ctiPatchCallByReturnAddress(CodeBlock* codeblock, ReturnAddressPtr returnAddress, MacroAssemblerCodePtr newCalleeFunction) |
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{ |
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RepatchBuffer repatchBuffer(codeblock); |
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repatchBuffer.relinkCallerToTrampoline(returnAddress, newCalleeFunction); |
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} |
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|
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void ctiPatchCallByReturnAddress(CodeBlock* codeblock, ReturnAddressPtr returnAddress, FunctionPtr newCalleeFunction) |
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{ |
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RepatchBuffer repatchBuffer(codeblock); |
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repatchBuffer.relinkCallerToFunction(returnAddress, newCalleeFunction); |
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} |
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JIT::JIT(JSGlobalData* globalData, CodeBlock* codeBlock) |
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: m_interpreter(globalData->interpreter) |
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, m_globalData(globalData) |
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, m_codeBlock(codeBlock) |
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, m_labels(codeBlock ? codeBlock->instructions().size() : 0) |
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, m_propertyAccessCompilationInfo(codeBlock ? codeBlock->numberOfStructureStubInfos() : 0) |
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, m_callStructureStubCompilationInfo(codeBlock ? codeBlock->numberOfCallLinkInfos() : 0) |
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, m_bytecodeOffset((unsigned)-1) |
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#if USE(JSVALUE32_64) |
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, m_jumpTargetIndex(0) |
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, m_mappedBytecodeOffset((unsigned)-1) |
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, m_mappedVirtualRegisterIndex((unsigned)-1) |
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, m_mappedTag((RegisterID)-1) |
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, m_mappedPayload((RegisterID)-1) |
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#else |
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, m_lastResultBytecodeRegister(std::numeric_limits<int>::max()) |
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, m_jumpTargetsPosition(0) |
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#endif |
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{ |
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} |
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#if USE(JSVALUE32_64) |
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void JIT::emitTimeoutCheck() |
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{ |
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Jump skipTimeout = branchSub32(NonZero, Imm32(1), timeoutCheckRegister); |
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JITStubCall stubCall(this, cti_timeout_check); |
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stubCall.addArgument(regT1, regT0); // save last result registers. |
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101 |
stubCall.call(timeoutCheckRegister); |
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102 |
stubCall.getArgument(0, regT1, regT0); // reload last result registers. |
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|
103 |
skipTimeout.link(this); |
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104 |
} |
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105 |
#else |
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106 |
void JIT::emitTimeoutCheck() |
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107 |
{ |
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108 |
Jump skipTimeout = branchSub32(NonZero, Imm32(1), timeoutCheckRegister); |
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109 |
JITStubCall(this, cti_timeout_check).call(timeoutCheckRegister); |
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110 |
skipTimeout.link(this); |
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111 |
|
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112 |
killLastResultRegister(); |
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113 |
} |
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114 |
#endif |
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115 |
|
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116 |
#define NEXT_OPCODE(name) \ |
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m_bytecodeOffset += OPCODE_LENGTH(name); \ |
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118 |
break; |
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119 |
|
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120 |
#if USE(JSVALUE32_64) |
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#define DEFINE_BINARY_OP(name) \ |
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122 |
case name: { \ |
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123 |
JITStubCall stubCall(this, cti_##name); \ |
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124 |
stubCall.addArgument(currentInstruction[2].u.operand); \ |
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125 |
stubCall.addArgument(currentInstruction[3].u.operand); \ |
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126 |
stubCall.call(currentInstruction[1].u.operand); \ |
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127 |
NEXT_OPCODE(name); \ |
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128 |
} |
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129 |
|
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130 |
#define DEFINE_UNARY_OP(name) \ |
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131 |
case name: { \ |
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132 |
JITStubCall stubCall(this, cti_##name); \ |
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133 |
stubCall.addArgument(currentInstruction[2].u.operand); \ |
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134 |
stubCall.call(currentInstruction[1].u.operand); \ |
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135 |
NEXT_OPCODE(name); \ |
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136 |
} |
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137 |
|
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138 |
#else // USE(JSVALUE32_64) |
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139 |
|
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140 |
#define DEFINE_BINARY_OP(name) \ |
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141 |
case name: { \ |
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142 |
JITStubCall stubCall(this, cti_##name); \ |
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143 |
stubCall.addArgument(currentInstruction[2].u.operand, regT2); \ |
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144 |
stubCall.addArgument(currentInstruction[3].u.operand, regT2); \ |
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145 |
stubCall.call(currentInstruction[1].u.operand); \ |
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146 |
NEXT_OPCODE(name); \ |
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147 |
} |
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148 |
|
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149 |
#define DEFINE_UNARY_OP(name) \ |
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150 |
case name: { \ |
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151 |
JITStubCall stubCall(this, cti_##name); \ |
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152 |
stubCall.addArgument(currentInstruction[2].u.operand, regT2); \ |
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153 |
stubCall.call(currentInstruction[1].u.operand); \ |
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154 |
NEXT_OPCODE(name); \ |
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155 |
} |
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156 |
#endif // USE(JSVALUE32_64) |
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157 |
|
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158 |
#define DEFINE_OP(name) \ |
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159 |
case name: { \ |
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160 |
emit_##name(currentInstruction); \ |
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161 |
NEXT_OPCODE(name); \ |
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162 |
} |
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|
163 |
|
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164 |
#define DEFINE_SLOWCASE_OP(name) \ |
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165 |
case name: { \ |
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166 |
emitSlow_##name(currentInstruction, iter); \ |
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167 |
NEXT_OPCODE(name); \ |
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168 |
} |
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169 |
|
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170 |
void JIT::privateCompileMainPass() |
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171 |
{ |
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172 |
Instruction* instructionsBegin = m_codeBlock->instructions().begin(); |
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unsigned instructionCount = m_codeBlock->instructions().size(); |
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|
174 |
|
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m_propertyAccessInstructionIndex = 0; |
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m_globalResolveInfoIndex = 0; |
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177 |
m_callLinkInfoIndex = 0; |
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178 |
|
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for (m_bytecodeOffset = 0; m_bytecodeOffset < instructionCount; ) { |
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Instruction* currentInstruction = instructionsBegin + m_bytecodeOffset; |
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181 |
ASSERT_WITH_MESSAGE(m_interpreter->isOpcode(currentInstruction->u.opcode), "privateCompileMainPass gone bad @ %d", m_bytecodeOffset); |
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182 |
|
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183 |
#if ENABLE(OPCODE_SAMPLING) |
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184 |
if (m_bytecodeOffset > 0) // Avoid the overhead of sampling op_enter twice. |
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185 |
sampleInstruction(currentInstruction); |
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186 |
#endif |
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187 |
|
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188 |
#if !USE(JSVALUE32_64) |
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if (m_labels[m_bytecodeOffset].isUsed()) |
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killLastResultRegister(); |
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191 |
#endif |
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192 |
|
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m_labels[m_bytecodeOffset] = label(); |
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194 |
|
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195 |
switch (m_interpreter->getOpcodeID(currentInstruction->u.opcode)) { |
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196 |
DEFINE_BINARY_OP(op_del_by_val) |
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197 |
#if USE(JSVALUE32) |
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198 |
DEFINE_BINARY_OP(op_div) |
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199 |
#endif |
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200 |
DEFINE_BINARY_OP(op_in) |
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201 |
DEFINE_BINARY_OP(op_less) |
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DEFINE_BINARY_OP(op_lesseq) |
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DEFINE_UNARY_OP(op_is_boolean) |
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DEFINE_UNARY_OP(op_is_function) |
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DEFINE_UNARY_OP(op_is_number) |
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DEFINE_UNARY_OP(op_is_object) |
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DEFINE_UNARY_OP(op_is_string) |
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DEFINE_UNARY_OP(op_is_undefined) |
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#if !USE(JSVALUE32_64) |
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DEFINE_UNARY_OP(op_negate) |
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#endif |
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DEFINE_UNARY_OP(op_typeof) |
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|
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DEFINE_OP(op_add) |
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DEFINE_OP(op_bitand) |
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DEFINE_OP(op_bitnot) |
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DEFINE_OP(op_bitor) |
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DEFINE_OP(op_bitxor) |
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DEFINE_OP(op_call) |
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DEFINE_OP(op_call_eval) |
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DEFINE_OP(op_call_varargs) |
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DEFINE_OP(op_catch) |
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DEFINE_OP(op_construct) |
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DEFINE_OP(op_get_callee) |
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DEFINE_OP(op_create_this) |
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DEFINE_OP(op_convert_this) |
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DEFINE_OP(op_init_arguments) |
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DEFINE_OP(op_create_arguments) |
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DEFINE_OP(op_debug) |
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DEFINE_OP(op_del_by_id) |
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#if !USE(JSVALUE32) |
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DEFINE_OP(op_div) |
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#endif |
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DEFINE_OP(op_end) |
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DEFINE_OP(op_enter) |
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DEFINE_OP(op_enter_with_activation) |
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DEFINE_OP(op_eq) |
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DEFINE_OP(op_eq_null) |
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DEFINE_OP(op_get_by_id) |
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DEFINE_OP(op_get_by_val) |
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DEFINE_OP(op_get_by_pname) |
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DEFINE_OP(op_get_global_var) |
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DEFINE_OP(op_get_pnames) |
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DEFINE_OP(op_get_scoped_var) |
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DEFINE_OP(op_instanceof) |
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DEFINE_OP(op_jeq_null) |
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DEFINE_OP(op_jfalse) |
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DEFINE_OP(op_jmp) |
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DEFINE_OP(op_jmp_scopes) |
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DEFINE_OP(op_jneq_null) |
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DEFINE_OP(op_jneq_ptr) |
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DEFINE_OP(op_jnless) |
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DEFINE_OP(op_jless) |
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DEFINE_OP(op_jlesseq) |
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DEFINE_OP(op_jnlesseq) |
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DEFINE_OP(op_jsr) |
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DEFINE_OP(op_jtrue) |
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DEFINE_OP(op_load_varargs) |
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DEFINE_OP(op_loop) |
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DEFINE_OP(op_loop_if_less) |
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DEFINE_OP(op_loop_if_lesseq) |
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DEFINE_OP(op_loop_if_true) |
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DEFINE_OP(op_loop_if_false) |
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DEFINE_OP(op_lshift) |
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DEFINE_OP(op_method_check) |
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DEFINE_OP(op_mod) |
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DEFINE_OP(op_mov) |
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DEFINE_OP(op_mul) |
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#if USE(JSVALUE32_64) |
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DEFINE_OP(op_negate) |
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#endif |
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DEFINE_OP(op_neq) |
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DEFINE_OP(op_neq_null) |
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DEFINE_OP(op_new_array) |
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DEFINE_OP(op_new_error) |
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DEFINE_OP(op_new_func) |
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DEFINE_OP(op_new_func_exp) |
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DEFINE_OP(op_new_object) |
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DEFINE_OP(op_new_regexp) |
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DEFINE_OP(op_next_pname) |
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DEFINE_OP(op_not) |
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DEFINE_OP(op_nstricteq) |
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DEFINE_OP(op_pop_scope) |
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DEFINE_OP(op_post_dec) |
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DEFINE_OP(op_post_inc) |
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DEFINE_OP(op_pre_dec) |
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DEFINE_OP(op_pre_inc) |
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DEFINE_OP(op_profile_did_call) |
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DEFINE_OP(op_profile_will_call) |
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DEFINE_OP(op_push_new_scope) |
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DEFINE_OP(op_push_scope) |
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DEFINE_OP(op_put_by_id) |
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DEFINE_OP(op_put_by_index) |
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DEFINE_OP(op_put_by_val) |
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DEFINE_OP(op_put_getter) |
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DEFINE_OP(op_put_global_var) |
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DEFINE_OP(op_put_scoped_var) |
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DEFINE_OP(op_put_setter) |
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DEFINE_OP(op_resolve) |
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DEFINE_OP(op_resolve_base) |
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DEFINE_OP(op_resolve_global) |
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DEFINE_OP(op_resolve_global_dynamic) |
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303 |
DEFINE_OP(op_resolve_skip) |
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304 |
DEFINE_OP(op_resolve_with_base) |
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305 |
DEFINE_OP(op_ret) |
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306 |
DEFINE_OP(op_call_put_result) |
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307 |
DEFINE_OP(op_ret_object_or_this) |
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DEFINE_OP(op_rshift) |
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DEFINE_OP(op_urshift) |
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DEFINE_OP(op_sret) |
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DEFINE_OP(op_strcat) |
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DEFINE_OP(op_stricteq) |
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DEFINE_OP(op_sub) |
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DEFINE_OP(op_switch_char) |
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315 |
DEFINE_OP(op_switch_imm) |
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316 |
DEFINE_OP(op_switch_string) |
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317 |
DEFINE_OP(op_tear_off_activation) |
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DEFINE_OP(op_tear_off_arguments) |
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DEFINE_OP(op_throw) |
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DEFINE_OP(op_to_jsnumber) |
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DEFINE_OP(op_to_primitive) |
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322 |
|
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case op_get_array_length: |
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324 |
case op_get_by_id_chain: |
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325 |
case op_get_by_id_generic: |
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326 |
case op_get_by_id_proto: |
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327 |
case op_get_by_id_proto_list: |
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328 |
case op_get_by_id_self: |
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case op_get_by_id_self_list: |
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330 |
case op_get_by_id_getter_chain: |
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331 |
case op_get_by_id_getter_proto: |
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332 |
case op_get_by_id_getter_proto_list: |
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333 |
case op_get_by_id_getter_self: |
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334 |
case op_get_by_id_getter_self_list: |
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335 |
case op_get_by_id_custom_chain: |
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336 |
case op_get_by_id_custom_proto: |
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337 |
case op_get_by_id_custom_proto_list: |
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338 |
case op_get_by_id_custom_self: |
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339 |
case op_get_by_id_custom_self_list: |
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340 |
case op_get_string_length: |
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341 |
case op_put_by_id_generic: |
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342 |
case op_put_by_id_replace: |
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343 |
case op_put_by_id_transition: |
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ASSERT_NOT_REACHED(); |
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345 |
} |
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346 |
} |
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347 |
|
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ASSERT(m_propertyAccessInstructionIndex == m_codeBlock->numberOfStructureStubInfos()); |
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ASSERT(m_callLinkInfoIndex == m_codeBlock->numberOfCallLinkInfos()); |
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350 |
|
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351 |
#ifndef NDEBUG |
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// Reset this, in order to guard its use with ASSERTs. |
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m_bytecodeOffset = (unsigned)-1; |
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354 |
#endif |
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355 |
} |
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356 |
|
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357 |
|
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358 |
void JIT::privateCompileLinkPass() |
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359 |
{ |
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360 |
unsigned jmpTableCount = m_jmpTable.size(); |
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361 |
for (unsigned i = 0; i < jmpTableCount; ++i) |
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m_jmpTable[i].from.linkTo(m_labels[m_jmpTable[i].toBytecodeOffset], this); |
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363 |
m_jmpTable.clear(); |
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364 |
} |
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365 |
|
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366 |
void JIT::privateCompileSlowCases() |
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367 |
{ |
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368 |
Instruction* instructionsBegin = m_codeBlock->instructions().begin(); |
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369 |
|
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370 |
m_propertyAccessInstructionIndex = 0; |
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371 |
m_globalResolveInfoIndex = 0; |
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372 |
m_callLinkInfoIndex = 0; |
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373 |
|
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374 |
for (Vector<SlowCaseEntry>::iterator iter = m_slowCases.begin(); iter != m_slowCases.end();) { |
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375 |
#if !USE(JSVALUE32_64) |
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376 |
killLastResultRegister(); |
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377 |
#endif |
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378 |
|
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379 |
m_bytecodeOffset = iter->to; |
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380 |
#ifndef NDEBUG |
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381 |
unsigned firstTo = m_bytecodeOffset; |
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382 |
#endif |
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383 |
Instruction* currentInstruction = instructionsBegin + m_bytecodeOffset; |
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384 |
|
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385 |
switch (m_interpreter->getOpcodeID(currentInstruction->u.opcode)) { |
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386 |
DEFINE_SLOWCASE_OP(op_add) |
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387 |
DEFINE_SLOWCASE_OP(op_bitand) |
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388 |
DEFINE_SLOWCASE_OP(op_bitnot) |
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389 |
DEFINE_SLOWCASE_OP(op_bitor) |
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390 |
DEFINE_SLOWCASE_OP(op_bitxor) |
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391 |
DEFINE_SLOWCASE_OP(op_call) |
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392 |
DEFINE_SLOWCASE_OP(op_call_eval) |
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393 |
DEFINE_SLOWCASE_OP(op_call_varargs) |
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394 |
DEFINE_SLOWCASE_OP(op_construct) |
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395 |
DEFINE_SLOWCASE_OP(op_convert_this) |
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396 |
#if !USE(JSVALUE32) |
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397 |
DEFINE_SLOWCASE_OP(op_div) |
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398 |
#endif |
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399 |
DEFINE_SLOWCASE_OP(op_eq) |
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400 |
DEFINE_SLOWCASE_OP(op_get_by_id) |
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401 |
DEFINE_SLOWCASE_OP(op_get_by_val) |
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402 |
DEFINE_SLOWCASE_OP(op_get_by_pname) |
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diff
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|
403 |
DEFINE_SLOWCASE_OP(op_instanceof) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
DEFINE_SLOWCASE_OP(op_jfalse) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
DEFINE_SLOWCASE_OP(op_jnless) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
DEFINE_SLOWCASE_OP(op_jless) |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
DEFINE_SLOWCASE_OP(op_jlesseq) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
DEFINE_SLOWCASE_OP(op_jnlesseq) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
DEFINE_SLOWCASE_OP(op_jtrue) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
DEFINE_SLOWCASE_OP(op_loop_if_less) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
DEFINE_SLOWCASE_OP(op_loop_if_lesseq) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
DEFINE_SLOWCASE_OP(op_loop_if_true) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
DEFINE_SLOWCASE_OP(op_loop_if_false) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
DEFINE_SLOWCASE_OP(op_lshift) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
DEFINE_SLOWCASE_OP(op_method_check) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
DEFINE_SLOWCASE_OP(op_mod) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
DEFINE_SLOWCASE_OP(op_mul) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
#if USE(JSVALUE32_64) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
DEFINE_SLOWCASE_OP(op_negate) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
#endif |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
DEFINE_SLOWCASE_OP(op_neq) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
DEFINE_SLOWCASE_OP(op_not) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
DEFINE_SLOWCASE_OP(op_nstricteq) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
DEFINE_SLOWCASE_OP(op_post_dec) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
DEFINE_SLOWCASE_OP(op_post_inc) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
DEFINE_SLOWCASE_OP(op_pre_dec) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
DEFINE_SLOWCASE_OP(op_pre_inc) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
DEFINE_SLOWCASE_OP(op_put_by_id) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
DEFINE_SLOWCASE_OP(op_put_by_val) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
DEFINE_SLOWCASE_OP(op_resolve_global) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
DEFINE_SLOWCASE_OP(op_resolve_global_dynamic) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
DEFINE_SLOWCASE_OP(op_rshift) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
DEFINE_SLOWCASE_OP(op_urshift) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
DEFINE_SLOWCASE_OP(op_stricteq) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
DEFINE_SLOWCASE_OP(op_sub) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
DEFINE_SLOWCASE_OP(op_to_jsnumber) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
DEFINE_SLOWCASE_OP(op_to_primitive) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
default: |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
ASSERT_NOT_REACHED(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
ASSERT_WITH_MESSAGE(iter == m_slowCases.end() || firstTo != iter->to,"Not enough jumps linked in slow case codegen."); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
443 |
ASSERT_WITH_MESSAGE(firstTo == (iter - 1)->to, "Too many jumps linked in slow case codegen."); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
emitJumpSlowToHot(jump(), 0); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
#if ENABLE(JIT_OPTIMIZE_PROPERTY_ACCESS) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
ASSERT(m_propertyAccessInstructionIndex == m_codeBlock->numberOfStructureStubInfos()); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
#endif |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
ASSERT(m_callLinkInfoIndex == m_codeBlock->numberOfCallLinkInfos()); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
#ifndef NDEBUG |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
// Reset this, in order to guard its use with ASSERTs. |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
m_bytecodeOffset = (unsigned)-1; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
#endif |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
JITCode JIT::privateCompile(CodePtr* functionEntryArityCheck) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
{ |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
// Could use a pop_m, but would need to offset the following instruction if so. |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
preserveReturnAddressAfterCall(regT2); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
emitPutToCallFrameHeader(regT2, RegisterFile::ReturnPC); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
Label beginLabel(this); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
sampleCodeBlock(m_codeBlock); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
#if ENABLE(OPCODE_SAMPLING) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
sampleInstruction(m_codeBlock->instructions().begin()); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
#endif |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
Jump registerFileCheck; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
if (m_codeBlock->codeType() == FunctionCode) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
// In the case of a fast linked call, we do not set this up in the caller. |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
emitPutImmediateToCallFrameHeader(m_codeBlock, RegisterFile::CodeBlock); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
addPtr(Imm32(m_codeBlock->m_numCalleeRegisters * sizeof(Register)), callFrameRegister, regT1); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
registerFileCheck = branchPtr(Below, AbsoluteAddress(&m_globalData->interpreter->registerFile(). |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
m_end), regT1); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
Label functionBody = label(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
privateCompileMainPass(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
privateCompileLinkPass(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
privateCompileSlowCases(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
Label arityCheck; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
Call callArityCheck; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
if (m_codeBlock->codeType() == FunctionCode) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
registerFileCheck.link(this); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
m_bytecodeOffset = 0; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
JITStubCall(this, cti_register_file_check).call(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
#ifndef NDEBUG |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
m_bytecodeOffset = (unsigned)-1; // Reset this, in order to guard its use with ASSERTs. |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
#endif |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
jump(functionBody); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
arityCheck = label(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
preserveReturnAddressAfterCall(regT2); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
emitPutToCallFrameHeader(regT2, RegisterFile::ReturnPC); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
branch32(Equal, regT1, Imm32(m_codeBlock->m_numParameters)).linkTo(beginLabel, this); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
restoreArgumentReference(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
callArityCheck = call(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
move(regT0, callFrameRegister); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
jump(beginLabel); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
ASSERT(m_jmpTable.isEmpty()); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
LinkBuffer patchBuffer(this, m_globalData->executableAllocator.poolForSize(m_assembler.size())); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
// Translate vPC offsets into addresses in JIT generated code, for switch tables. |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
for (unsigned i = 0; i < m_switches.size(); ++i) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
SwitchRecord record = m_switches[i]; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
unsigned bytecodeOffset = record.bytecodeOffset; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
if (record.type != SwitchRecord::String) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
ASSERT(record.type == SwitchRecord::Immediate || record.type == SwitchRecord::Character); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
ASSERT(record.jumpTable.simpleJumpTable->branchOffsets.size() == record.jumpTable.simpleJumpTable->ctiOffsets.size()); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
record.jumpTable.simpleJumpTable->ctiDefault = patchBuffer.locationOf(m_labels[bytecodeOffset + record.defaultOffset]); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
for (unsigned j = 0; j < record.jumpTable.simpleJumpTable->branchOffsets.size(); ++j) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
unsigned offset = record.jumpTable.simpleJumpTable->branchOffsets[j]; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
record.jumpTable.simpleJumpTable->ctiOffsets[j] = offset ? patchBuffer.locationOf(m_labels[bytecodeOffset + offset]) : record.jumpTable.simpleJumpTable->ctiDefault; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
} else { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
ASSERT(record.type == SwitchRecord::String); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
record.jumpTable.stringJumpTable->ctiDefault = patchBuffer.locationOf(m_labels[bytecodeOffset + record.defaultOffset]); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
StringJumpTable::StringOffsetTable::iterator end = record.jumpTable.stringJumpTable->offsetTable.end(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
for (StringJumpTable::StringOffsetTable::iterator it = record.jumpTable.stringJumpTable->offsetTable.begin(); it != end; ++it) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
unsigned offset = it->second.branchOffset; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
it->second.ctiOffset = offset ? patchBuffer.locationOf(m_labels[bytecodeOffset + offset]) : record.jumpTable.stringJumpTable->ctiDefault; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
for (size_t i = 0; i < m_codeBlock->numberOfExceptionHandlers(); ++i) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
542 |
HandlerInfo& handler = m_codeBlock->exceptionHandler(i); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
handler.nativeCode = patchBuffer.locationOf(m_labels[handler.target]); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
546 |
for (Vector<CallRecord>::iterator iter = m_calls.begin(); iter != m_calls.end(); ++iter) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
547 |
if (iter->to) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
548 |
patchBuffer.link(iter->from, FunctionPtr(iter->to)); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
550 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
551 |
if (m_codeBlock->hasExceptionInfo()) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
m_codeBlock->callReturnIndexVector().reserveCapacity(m_calls.size()); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
553 |
for (Vector<CallRecord>::iterator iter = m_calls.begin(); iter != m_calls.end(); ++iter) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |
m_codeBlock->callReturnIndexVector().append(CallReturnOffsetToBytecodeOffset(patchBuffer.returnAddressOffset(iter->from), iter->bytecodeOffset)); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
555 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
// Link absolute addresses for jsr |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
for (Vector<JSRInfo>::iterator iter = m_jsrSites.begin(); iter != m_jsrSites.end(); ++iter) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
patchBuffer.patch(iter->storeLocation, patchBuffer.locationOf(iter->target).executableAddress()); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
#if ENABLE(JIT_OPTIMIZE_PROPERTY_ACCESS) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
for (unsigned i = 0; i < m_codeBlock->numberOfStructureStubInfos(); ++i) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
StructureStubInfo& info = m_codeBlock->structureStubInfo(i); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
info.callReturnLocation = patchBuffer.locationOf(m_propertyAccessCompilationInfo[i].callReturnLocation); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
info.hotPathBegin = patchBuffer.locationOf(m_propertyAccessCompilationInfo[i].hotPathBegin); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
#endif |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
#if ENABLE(JIT_OPTIMIZE_CALL) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
for (unsigned i = 0; i < m_codeBlock->numberOfCallLinkInfos(); ++i) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
CallLinkInfo& info = m_codeBlock->callLinkInfo(i); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
info.ownerCodeBlock = m_codeBlock; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
info.callReturnLocation = patchBuffer.locationOfNearCall(m_callStructureStubCompilationInfo[i].callReturnLocation); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
info.hotPathBegin = patchBuffer.locationOf(m_callStructureStubCompilationInfo[i].hotPathBegin); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
info.hotPathOther = patchBuffer.locationOfNearCall(m_callStructureStubCompilationInfo[i].hotPathOther); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
#endif |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
unsigned methodCallCount = m_methodCallCompilationInfo.size(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
m_codeBlock->addMethodCallLinkInfos(methodCallCount); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
for (unsigned i = 0; i < methodCallCount; ++i) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
MethodCallLinkInfo& info = m_codeBlock->methodCallLinkInfo(i); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
info.structureLabel = patchBuffer.locationOf(m_methodCallCompilationInfo[i].structureToCompare); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
info.callReturnLocation = m_codeBlock->structureStubInfo(m_methodCallCompilationInfo[i].propertyAccessIndex).callReturnLocation; |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
if (m_codeBlock->codeType() == FunctionCode && functionEntryArityCheck) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
patchBuffer.link(callArityCheck, FunctionPtr(m_codeBlock->m_isConstructor ? cti_op_construct_arityCheck : cti_op_call_arityCheck)); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
*functionEntryArityCheck = patchBuffer.locationOf(arityCheck); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
return patchBuffer.finalizeCode(); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
592 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
#if !USE(JSVALUE32_64) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
void JIT::emitGetVariableObjectRegister(RegisterID variableObject, int index, RegisterID dst) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
{ |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
loadPtr(Address(variableObject, OBJECT_OFFSETOF(JSVariableObject, d)), dst); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
loadPtr(Address(dst, OBJECT_OFFSETOF(JSVariableObject::JSVariableObjectData, registers)), dst); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
loadPtr(Address(dst, index * sizeof(Register)), dst); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
599 |
} |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
600 |
|
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
changeset
|
601 |
void JIT::emitPutVariableObjectRegister(RegisterID src, RegisterID variableObject, int index) |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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changeset
|
602 |
{ |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
603 |
loadPtr(Address(variableObject, OBJECT_OFFSETOF(JSVariableObject, d)), variableObject); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
loadPtr(Address(variableObject, OBJECT_OFFSETOF(JSVariableObject::JSVariableObjectData, registers)), variableObject); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
605 |
storePtr(src, Address(variableObject, index * sizeof(Register))); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
} |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
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|
607 |
#endif |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
#if ENABLE(JIT_OPTIMIZE_CALL) |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
void JIT::unlinkCallOrConstruct(CallLinkInfo* callLinkInfo) |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
611 |
{ |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
// When the JSFunction is deleted the pointer embedded in the instruction stream will no longer be valid |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
613 |
// (and, if a new JSFunction happened to be constructed at the same location, we could get a false positive |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
614 |
// match). Reset the check so it no longer matches. |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
RepatchBuffer repatchBuffer(callLinkInfo->ownerCodeBlock); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
616 |
#if USE(JSVALUE32_64) |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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diff
changeset
|
617 |
repatchBuffer.repatch(callLinkInfo->hotPathBegin, 0); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
618 |
#else |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
619 |
repatchBuffer.repatch(callLinkInfo->hotPathBegin, JSValue::encode(JSValue())); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
620 |
#endif |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
621 |
} |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
622 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
623 |
void JIT::linkCall(JSFunction* callee, CodeBlock* callerCodeBlock, CodeBlock* calleeCodeBlock, JIT::CodePtr code, CallLinkInfo* callLinkInfo, int callerArgCount, JSGlobalData* globalData) |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
624 |
{ |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
625 |
RepatchBuffer repatchBuffer(callerCodeBlock); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
626 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
627 |
// Currently we only link calls with the exact number of arguments. |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
628 |
// If this is a native call calleeCodeBlock is null so the number of parameters is unimportant |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
629 |
if (!calleeCodeBlock || (callerArgCount == calleeCodeBlock->m_numParameters)) { |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
630 |
ASSERT(!callLinkInfo->isLinked()); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
631 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
632 |
if (calleeCodeBlock) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
633 |
calleeCodeBlock->addCaller(callLinkInfo); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
634 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
635 |
repatchBuffer.repatch(callLinkInfo->hotPathBegin, callee); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
636 |
repatchBuffer.relink(callLinkInfo->hotPathOther, code); |
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Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
637 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
638 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
639 |
// patch the call so we do not continue to try to link. |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
640 |
repatchBuffer.relink(callLinkInfo->callReturnLocation, globalData->jitStubs->ctiVirtualCall()); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
641 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
642 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
643 |
void JIT::linkConstruct(JSFunction* callee, CodeBlock* callerCodeBlock, CodeBlock* calleeCodeBlock, JIT::CodePtr code, CallLinkInfo* callLinkInfo, int callerArgCount, JSGlobalData* globalData) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
644 |
{ |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
645 |
RepatchBuffer repatchBuffer(callerCodeBlock); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
646 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
647 |
// Currently we only link calls with the exact number of arguments. |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
648 |
// If this is a native call calleeCodeBlock is null so the number of parameters is unimportant |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
649 |
if (!calleeCodeBlock || (callerArgCount == calleeCodeBlock->m_numParameters)) { |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
650 |
ASSERT(!callLinkInfo->isLinked()); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
651 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
652 |
if (calleeCodeBlock) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
653 |
calleeCodeBlock->addCaller(callLinkInfo); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
654 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
655 |
repatchBuffer.repatch(callLinkInfo->hotPathBegin, callee); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
656 |
repatchBuffer.relink(callLinkInfo->hotPathOther, code); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
657 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
658 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
659 |
// patch the call so we do not continue to try to link. |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
660 |
repatchBuffer.relink(callLinkInfo->callReturnLocation, globalData->jitStubs->ctiVirtualConstruct()); |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
661 |
} |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
662 |
#endif // ENABLE(JIT_OPTIMIZE_CALL) |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
663 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
664 |
} // namespace JSC |
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
665 |
|
4f2f89ce4247
Revision: 201037
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
666 |
#endif // ENABLE(JIT) |