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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/ast/scopes.h" | 5 #include "src/ast/scopes.h" |
6 #include "src/compiler/code-generator.h" | 6 #include "src/compiler/code-generator.h" |
7 #include "src/compiler/code-generator-impl.h" | 7 #include "src/compiler/code-generator-impl.h" |
8 #include "src/compiler/gap-resolver.h" | 8 #include "src/compiler/gap-resolver.h" |
9 #include "src/compiler/node-matchers.h" | 9 #include "src/compiler/node-matchers.h" |
10 #include "src/compiler/osr.h" | 10 #include "src/compiler/osr.h" |
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1812 | 1812 |
1813 void CodeGenerator::AssembleDeoptimizerCall( | 1813 void CodeGenerator::AssembleDeoptimizerCall( |
1814 int deoptimization_id, Deoptimizer::BailoutType bailout_type) { | 1814 int deoptimization_id, Deoptimizer::BailoutType bailout_type) { |
1815 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( | 1815 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( |
1816 isolate(), deoptimization_id, bailout_type); | 1816 isolate(), deoptimization_id, bailout_type); |
1817 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); | 1817 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); |
1818 } | 1818 } |
1819 | 1819 |
1820 | 1820 |
1821 void CodeGenerator::AssemblePrologue() { | 1821 void CodeGenerator::AssemblePrologue() { |
1822 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); | 1822 const CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
1823 if (descriptor->IsCFunctionCall()) { | 1823 if (descriptor->IsCFunctionCall()) { |
1824 __ Push(ra, fp); | 1824 __ Push(ra, fp); |
1825 __ mov(fp, sp); | 1825 __ mov(fp, sp); |
1826 } else if (descriptor->IsJSFunctionCall()) { | 1826 } else if (descriptor->IsJSFunctionCall()) { |
1827 __ Prologue(this->info()->GeneratePreagedPrologue()); | 1827 __ Prologue(this->info()->GeneratePreagedPrologue()); |
1828 } else if (frame()->needs_frame()) { | 1828 } else if (frame()->needs_frame()) { |
1829 __ StubPrologue(); | 1829 __ StubPrologue(); |
1830 } else { | 1830 } else { |
1831 frame()->SetElidedFrameSizeInSlots(0); | 1831 frame()->SetElidedFrameSizeInSlots(0); |
1832 } | 1832 } |
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1867 // kNumCalleeSaved includes the fp register, but the fp register | 1867 // kNumCalleeSaved includes the fp register, but the fp register |
1868 // is saved separately in TF. | 1868 // is saved separately in TF. |
1869 int count = base::bits::CountPopulation32(saves); | 1869 int count = base::bits::CountPopulation32(saves); |
1870 DCHECK(kNumCalleeSaved == count + 1); | 1870 DCHECK(kNumCalleeSaved == count + 1); |
1871 frame()->AllocateSavedCalleeRegisterSlots(count); | 1871 frame()->AllocateSavedCalleeRegisterSlots(count); |
1872 } | 1872 } |
1873 } | 1873 } |
1874 | 1874 |
1875 | 1875 |
1876 void CodeGenerator::AssembleReturn() { | 1876 void CodeGenerator::AssembleReturn() { |
1877 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); | 1877 const CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
1878 | 1878 |
1879 // Restore GP registers. | 1879 // Restore GP registers. |
1880 const RegList saves = descriptor->CalleeSavedRegisters(); | 1880 const RegList saves = descriptor->CalleeSavedRegisters(); |
1881 if (saves != 0) { | 1881 if (saves != 0) { |
1882 __ MultiPop(saves); | 1882 __ MultiPop(saves); |
1883 } | 1883 } |
1884 | 1884 |
1885 // Restore FPU registers. | 1885 // Restore FPU registers. |
1886 const RegList saves_fpu = descriptor->CalleeSavedFPRegisters(); | 1886 const RegList saves_fpu = descriptor->CalleeSavedFPRegisters(); |
1887 if (saves_fpu != 0) { | 1887 if (saves_fpu != 0) { |
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2117 padding_size -= v8::internal::Assembler::kInstrSize; | 2117 padding_size -= v8::internal::Assembler::kInstrSize; |
2118 } | 2118 } |
2119 } | 2119 } |
2120 } | 2120 } |
2121 | 2121 |
2122 #undef __ | 2122 #undef __ |
2123 | 2123 |
2124 } // namespace compiler | 2124 } // namespace compiler |
2125 } // namespace internal | 2125 } // namespace internal |
2126 } // namespace v8 | 2126 } // namespace v8 |
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