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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/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/arm64/lithium-codegen-arm64.h" | 7 #include "src/arm64/lithium-codegen-arm64.h" |
8 #include "src/hydrogen-osr.h" | 8 #include "src/hydrogen-osr.h" |
9 #include "src/lithium-inl.h" | 9 #include "src/lithium-inl.h" |
10 | 10 |
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2010 } | 2010 } |
2011 | 2011 |
2012 | 2012 |
2013 LInstruction* LChunkBuilder::DoPower(HPower* instr) { | 2013 LInstruction* LChunkBuilder::DoPower(HPower* instr) { |
2014 DCHECK(instr->representation().IsDouble()); | 2014 DCHECK(instr->representation().IsDouble()); |
2015 // We call a C function for double power. It can't trigger a GC. | 2015 // We call a C function for double power. It can't trigger a GC. |
2016 // We need to use fixed result register for the call. | 2016 // We need to use fixed result register for the call. |
2017 Representation exponent_type = instr->right()->representation(); | 2017 Representation exponent_type = instr->right()->representation(); |
2018 DCHECK(instr->left()->representation().IsDouble()); | 2018 DCHECK(instr->left()->representation().IsDouble()); |
2019 LOperand* left = UseFixedDouble(instr->left(), d0); | 2019 LOperand* left = UseFixedDouble(instr->left(), d0); |
2020 LOperand* right = exponent_type.IsInteger32() | 2020 LOperand* right; |
2021 ? UseFixed(instr->right(), x12) | 2021 if (exponent_type.IsInteger32()) { |
2022 : exponent_type.IsDouble() | 2022 right = UseFixed(instr->right(), MathPowIntegerDescriptor::exponent()); |
2023 ? UseFixedDouble(instr->right(), d1) | 2023 } else if (exponent_type.IsDouble()) { |
2024 : UseFixed(instr->right(), x11); | 2024 right = UseFixedDouble(instr->right(), d1); |
| 2025 } else { |
| 2026 right = UseFixed(instr->right(), MathPowTaggedDescriptor::exponent()); |
| 2027 } |
2025 LPower* result = new(zone()) LPower(left, right); | 2028 LPower* result = new(zone()) LPower(left, right); |
2026 return MarkAsCall(DefineFixedDouble(result, d0), | 2029 return MarkAsCall(DefineFixedDouble(result, d0), |
2027 instr, | 2030 instr, |
2028 CAN_DEOPTIMIZE_EAGERLY); | 2031 CAN_DEOPTIMIZE_EAGERLY); |
2029 } | 2032 } |
2030 | 2033 |
2031 | 2034 |
2032 LInstruction* LChunkBuilder::DoPushArguments(HPushArguments* instr) { | 2035 LInstruction* LChunkBuilder::DoPushArguments(HPushArguments* instr) { |
2033 int argc = instr->OperandCount(); | 2036 int argc = instr->OperandCount(); |
2034 AddInstruction(new(zone()) LPreparePushArguments(argc), instr); | 2037 AddInstruction(new(zone()) LPreparePushArguments(argc), instr); |
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2750 HAllocateBlockContext* instr) { | 2753 HAllocateBlockContext* instr) { |
2751 LOperand* context = UseFixed(instr->context(), cp); | 2754 LOperand* context = UseFixed(instr->context(), cp); |
2752 LOperand* function = UseRegisterAtStart(instr->function()); | 2755 LOperand* function = UseRegisterAtStart(instr->function()); |
2753 LAllocateBlockContext* result = | 2756 LAllocateBlockContext* result = |
2754 new(zone()) LAllocateBlockContext(context, function); | 2757 new(zone()) LAllocateBlockContext(context, function); |
2755 return MarkAsCall(DefineFixed(result, cp), instr); | 2758 return MarkAsCall(DefineFixed(result, cp), instr); |
2756 } | 2759 } |
2757 | 2760 |
2758 | 2761 |
2759 } } // namespace v8::internal | 2762 } } // namespace v8::internal |
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