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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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1503 | 1503 |
1504 void CodeGenerator::AssembleDeoptimizerCall( | 1504 void CodeGenerator::AssembleDeoptimizerCall( |
1505 int deoptimization_id, Deoptimizer::BailoutType bailout_type) { | 1505 int deoptimization_id, Deoptimizer::BailoutType bailout_type) { |
1506 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( | 1506 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( |
1507 isolate(), deoptimization_id, bailout_type); | 1507 isolate(), deoptimization_id, bailout_type); |
1508 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); | 1508 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); |
1509 } | 1509 } |
1510 | 1510 |
1511 | 1511 |
1512 void CodeGenerator::AssemblePrologue() { | 1512 void CodeGenerator::AssemblePrologue() { |
1513 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); | 1513 const CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
1514 int stack_shrink_slots = frame()->GetSpillSlotCount(); | 1514 int stack_shrink_slots = frame()->GetSpillSlotCount(); |
1515 if (descriptor->IsCFunctionCall()) { | 1515 if (descriptor->IsCFunctionCall()) { |
1516 __ Push(ra, fp); | 1516 __ Push(ra, fp); |
1517 __ mov(fp, sp); | 1517 __ mov(fp, sp); |
1518 } else if (descriptor->IsJSFunctionCall()) { | 1518 } else if (descriptor->IsJSFunctionCall()) { |
1519 __ Prologue(this->info()->GeneratePreagedPrologue()); | 1519 __ Prologue(this->info()->GeneratePreagedPrologue()); |
1520 } else if (frame()->needs_frame()) { | 1520 } else if (frame()->needs_frame()) { |
1521 __ StubPrologue(); | 1521 __ StubPrologue(); |
1522 } else { | 1522 } else { |
1523 frame()->SetElidedFrameSizeInSlots(0); | 1523 frame()->SetElidedFrameSizeInSlots(0); |
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1561 // kNumCalleeSaved includes the fp register, but the fp register | 1561 // kNumCalleeSaved includes the fp register, but the fp register |
1562 // is saved separately in TF. | 1562 // is saved separately in TF. |
1563 int count = base::bits::CountPopulation32(saves); | 1563 int count = base::bits::CountPopulation32(saves); |
1564 DCHECK(kNumCalleeSaved == count + 1); | 1564 DCHECK(kNumCalleeSaved == count + 1); |
1565 frame()->AllocateSavedCalleeRegisterSlots(count); | 1565 frame()->AllocateSavedCalleeRegisterSlots(count); |
1566 } | 1566 } |
1567 } | 1567 } |
1568 | 1568 |
1569 | 1569 |
1570 void CodeGenerator::AssembleReturn() { | 1570 void CodeGenerator::AssembleReturn() { |
1571 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); | 1571 const CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
1572 int pop_count = static_cast<int>(descriptor->StackParameterCount()); | 1572 int pop_count = static_cast<int>(descriptor->StackParameterCount()); |
1573 | 1573 |
1574 // Restore GP registers. | 1574 // Restore GP registers. |
1575 const RegList saves = descriptor->CalleeSavedRegisters(); | 1575 const RegList saves = descriptor->CalleeSavedRegisters(); |
1576 if (saves != 0) { | 1576 if (saves != 0) { |
1577 __ MultiPop(saves); | 1577 __ MultiPop(saves); |
1578 } | 1578 } |
1579 | 1579 |
1580 // Restore FPU registers. | 1580 // Restore FPU registers. |
1581 const RegList saves_fpu = descriptor->CalleeSavedFPRegisters(); | 1581 const RegList saves_fpu = descriptor->CalleeSavedFPRegisters(); |
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1811 padding_size -= v8::internal::Assembler::kInstrSize; | 1811 padding_size -= v8::internal::Assembler::kInstrSize; |
1812 } | 1812 } |
1813 } | 1813 } |
1814 } | 1814 } |
1815 | 1815 |
1816 #undef __ | 1816 #undef __ |
1817 | 1817 |
1818 } // namespace compiler | 1818 } // namespace compiler |
1819 } // namespace internal | 1819 } // namespace internal |
1820 } // namespace v8 | 1820 } // namespace v8 |
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