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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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/compiler/code-generator.h" | 5 #include "src/compiler/code-generator.h" |
6 | 6 |
7 #include "src/ast/scopes.h" | 7 #include "src/ast/scopes.h" |
8 #include "src/compiler/code-generator-impl.h" | 8 #include "src/compiler/code-generator-impl.h" |
9 #include "src/compiler/gap-resolver.h" | 9 #include "src/compiler/gap-resolver.h" |
10 #include "src/compiler/node-matchers.h" | 10 #include "src/compiler/node-matchers.h" |
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1802 | 1802 |
1803 } // namespace | 1803 } // namespace |
1804 | 1804 |
1805 | 1805 |
1806 void CodeGenerator::AssemblePrologue() { | 1806 void CodeGenerator::AssemblePrologue() { |
1807 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); | 1807 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
1808 if (descriptor->IsCFunctionCall()) { | 1808 if (descriptor->IsCFunctionCall()) { |
1809 __ pushq(rbp); | 1809 __ pushq(rbp); |
1810 __ movq(rbp, rsp); | 1810 __ movq(rbp, rsp); |
1811 } else if (descriptor->IsJSFunctionCall()) { | 1811 } else if (descriptor->IsJSFunctionCall()) { |
1812 CompilationInfo* info = this->info(); | 1812 __ Prologue(this->info()->GeneratePreagedPrologue()); |
1813 __ Prologue(info->IsCodePreAgingActive()); | |
1814 } else if (frame()->needs_frame()) { | 1813 } else if (frame()->needs_frame()) { |
1815 __ StubPrologue(); | 1814 __ StubPrologue(); |
1816 } else { | 1815 } else { |
1817 frame()->SetElidedFrameSizeInSlots(kPCOnStackSize / kPointerSize); | 1816 frame()->SetElidedFrameSizeInSlots(kPCOnStackSize / kPointerSize); |
1818 } | 1817 } |
1819 frame_access_state()->SetFrameAccessToDefault(); | 1818 frame_access_state()->SetFrameAccessToDefault(); |
1820 | 1819 |
1821 int stack_shrink_slots = frame()->GetSpillSlotCount(); | 1820 int stack_shrink_slots = frame()->GetSpillSlotCount(); |
1822 if (info()->is_osr()) { | 1821 if (info()->is_osr()) { |
1823 // TurboFan OSR-compiled functions cannot be entered directly. | 1822 // TurboFan OSR-compiled functions cannot be entered directly. |
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2108 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; | 2107 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; |
2109 __ Nop(padding_size); | 2108 __ Nop(padding_size); |
2110 } | 2109 } |
2111 } | 2110 } |
2112 | 2111 |
2113 #undef __ | 2112 #undef __ |
2114 | 2113 |
2115 } // namespace compiler | 2114 } // namespace compiler |
2116 } // namespace internal | 2115 } // namespace internal |
2117 } // namespace v8 | 2116 } // namespace v8 |
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