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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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 <sstream> | 5 #include <sstream> |
6 | 6 |
7 #include "src/v8.h" | 7 #include "src/v8.h" |
8 | 8 |
9 #if V8_TARGET_ARCH_X64 | 9 #if V8_TARGET_ARCH_X64 |
10 | 10 |
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2076 return DefineAsRegister(new(zone()) LConstantE); | 2076 return DefineAsRegister(new(zone()) LConstantE); |
2077 } else if (r.IsTagged()) { | 2077 } else if (r.IsTagged()) { |
2078 return DefineAsRegister(new(zone()) LConstantT); | 2078 return DefineAsRegister(new(zone()) LConstantT); |
2079 } else { | 2079 } else { |
2080 UNREACHABLE(); | 2080 UNREACHABLE(); |
2081 return NULL; | 2081 return NULL; |
2082 } | 2082 } |
2083 } | 2083 } |
2084 | 2084 |
2085 | 2085 |
2086 LInstruction* LChunkBuilder::DoLoadGlobalCell(HLoadGlobalCell* instr) { | |
2087 LLoadGlobalCell* result = new(zone()) LLoadGlobalCell; | |
2088 return instr->RequiresHoleCheck() | |
2089 ? AssignEnvironment(DefineAsRegister(result)) | |
2090 : DefineAsRegister(result); | |
2091 } | |
2092 | |
2093 | |
2094 LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) { | 2086 LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) { |
2095 LOperand* context = UseFixed(instr->context(), rsi); | 2087 LOperand* context = UseFixed(instr->context(), rsi); |
2096 LOperand* global_object = | 2088 LOperand* global_object = |
2097 UseFixed(instr->global_object(), LoadDescriptor::ReceiverRegister()); | 2089 UseFixed(instr->global_object(), LoadDescriptor::ReceiverRegister()); |
2098 LOperand* vector = NULL; | 2090 LOperand* vector = NULL; |
2099 if (instr->HasVectorAndSlot()) { | 2091 if (instr->HasVectorAndSlot()) { |
2100 vector = FixedTemp(VectorLoadICDescriptor::VectorRegister()); | 2092 vector = FixedTemp(VectorLoadICDescriptor::VectorRegister()); |
2101 } | 2093 } |
2102 | 2094 |
2103 LLoadGlobalGeneric* result = | 2095 LLoadGlobalGeneric* result = |
2104 new(zone()) LLoadGlobalGeneric(context, global_object, vector); | 2096 new(zone()) LLoadGlobalGeneric(context, global_object, vector); |
2105 return MarkAsCall(DefineFixed(result, rax), instr); | 2097 return MarkAsCall(DefineFixed(result, rax), instr); |
2106 } | 2098 } |
2107 | 2099 |
2108 | 2100 |
2109 LInstruction* LChunkBuilder::DoStoreGlobalCell(HStoreGlobalCell* instr) { | |
2110 LOperand* value = UseRegister(instr->value()); | |
2111 // Use a temp to avoid reloading the cell value address in the case where | |
2112 // we perform a hole check. | |
2113 return instr->RequiresHoleCheck() | |
2114 ? AssignEnvironment(new(zone()) LStoreGlobalCell(value, TempRegister())) | |
2115 : new(zone()) LStoreGlobalCell(value, NULL); | |
2116 } | |
2117 | |
2118 | |
2119 LInstruction* LChunkBuilder::DoLoadContextSlot(HLoadContextSlot* instr) { | 2101 LInstruction* LChunkBuilder::DoLoadContextSlot(HLoadContextSlot* instr) { |
2120 LOperand* context = UseRegisterAtStart(instr->value()); | 2102 LOperand* context = UseRegisterAtStart(instr->value()); |
2121 LInstruction* result = | 2103 LInstruction* result = |
2122 DefineAsRegister(new(zone()) LLoadContextSlot(context)); | 2104 DefineAsRegister(new(zone()) LLoadContextSlot(context)); |
2123 if (instr->RequiresHoleCheck() && instr->DeoptimizesOnHole()) { | 2105 if (instr->RequiresHoleCheck() && instr->DeoptimizesOnHole()) { |
2124 result = AssignEnvironment(result); | 2106 result = AssignEnvironment(result); |
2125 } | 2107 } |
2126 return result; | 2108 return result; |
2127 } | 2109 } |
2128 | 2110 |
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2711 LOperand* function = UseRegisterAtStart(instr->function()); | 2693 LOperand* function = UseRegisterAtStart(instr->function()); |
2712 LAllocateBlockContext* result = | 2694 LAllocateBlockContext* result = |
2713 new(zone()) LAllocateBlockContext(context, function); | 2695 new(zone()) LAllocateBlockContext(context, function); |
2714 return MarkAsCall(DefineFixed(result, rsi), instr); | 2696 return MarkAsCall(DefineFixed(result, rsi), instr); |
2715 } | 2697 } |
2716 | 2698 |
2717 | 2699 |
2718 } } // namespace v8::internal | 2700 } } // namespace v8::internal |
2719 | 2701 |
2720 #endif // V8_TARGET_ARCH_X64 | 2702 #endif // V8_TARGET_ARCH_X64 |
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