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| 1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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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| 2008 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); | 2008 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); |
| 2009 return kSuccess; | 2009 return kSuccess; |
| 2010 } | 2010 } |
| 2011 | 2011 |
| 2012 void CodeGenerator::FinishFrame(Frame* frame) { | 2012 void CodeGenerator::FinishFrame(Frame* frame) { |
| 2013 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); | 2013 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
| 2014 const RegList double_saves = descriptor->CalleeSavedFPRegisters(); | 2014 const RegList double_saves = descriptor->CalleeSavedFPRegisters(); |
| 2015 | 2015 |
| 2016 // Save callee-saved Double registers. | 2016 // Save callee-saved Double registers. |
| 2017 if (double_saves != 0) { | 2017 if (double_saves != 0) { |
| 2018 frame->AlignSavedCalleeRegisterSlots(); | 2018 frame->AlignFrame(); |
| 2019 DCHECK(kNumCalleeSavedDoubles == | 2019 DCHECK(kNumCalleeSavedDoubles == |
| 2020 base::bits::CountPopulation32(double_saves)); | 2020 base::bits::CountPopulation32(double_saves)); |
| 2021 frame->AllocateSavedCalleeRegisterSlots(kNumCalleeSavedDoubles * | 2021 frame->AllocateSavedCalleeRegisterSlots(kNumCalleeSavedDoubles * |
| 2022 (kDoubleSize / kPointerSize)); | 2022 (kDoubleSize / kPointerSize)); |
| 2023 } | 2023 } |
| 2024 // Save callee-saved registers. | 2024 // Save callee-saved registers. |
| 2025 const RegList saves = descriptor->CalleeSavedRegisters(); | 2025 const RegList saves = descriptor->CalleeSavedRegisters(); |
| 2026 if (saves != 0) { | 2026 if (saves != 0) { |
| 2027 // register save area does not include the fp or constant pool pointer. | 2027 // register save area does not include the fp or constant pool pointer. |
| 2028 const int num_saves = kNumCalleeSaved - 1; | 2028 const int num_saves = kNumCalleeSaved - 1; |
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| 2347 padding_size -= 2; | 2347 padding_size -= 2; |
| 2348 } | 2348 } |
| 2349 } | 2349 } |
| 2350 } | 2350 } |
| 2351 | 2351 |
| 2352 #undef __ | 2352 #undef __ |
| 2353 | 2353 |
| 2354 } // namespace compiler | 2354 } // namespace compiler |
| 2355 } // namespace internal | 2355 } // namespace internal |
| 2356 } // namespace v8 | 2356 } // namespace v8 |
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