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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/code-stubs.h" | 5 #include "src/code-stubs.h" |
6 #include "src/compiler.h" | 6 #include "src/compiler.h" |
7 #include "src/compiler/linkage.h" | 7 #include "src/compiler/linkage.h" |
8 #include "src/compiler/node.h" | 8 #include "src/compiler/node.h" |
9 #include "src/compiler/pipeline.h" | 9 #include "src/compiler/pipeline.h" |
10 #include "src/scopes.h" | 10 #include "src/scopes.h" |
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89 int register_save_area_size = frame->GetRegisterSaveAreaSize(); | 89 int register_save_area_size = frame->GetRegisterSaveAreaSize(); |
90 int offset = register_save_area_size - (spill_slot + 1) * kPointerSize + | 90 int offset = register_save_area_size - (spill_slot + 1) * kPointerSize + |
91 kPCOnStackSize + extra; | 91 kPCOnStackSize + extra; |
92 return FrameOffset::FromStackPointer(offset); | 92 return FrameOffset::FromStackPointer(offset); |
93 } | 93 } |
94 } | 94 } |
95 | 95 |
96 | 96 |
97 // static | 97 // static |
98 bool Linkage::NeedsFrameState(Runtime::FunctionId function) { | 98 bool Linkage::NeedsFrameState(Runtime::FunctionId function) { |
99 if (!FLAG_turbo_deoptimization) { | |
100 return false; | |
101 } | |
102 | |
103 // Most runtime functions need a FrameState. A few chosen ones that we know | 99 // Most runtime functions need a FrameState. A few chosen ones that we know |
104 // not to call into arbitrary JavaScript, not to throw, and not to deoptimize | 100 // not to call into arbitrary JavaScript, not to throw, and not to deoptimize |
105 // are blacklisted here and can be called without a FrameState. | 101 // are blacklisted here and can be called without a FrameState. |
106 switch (function) { | 102 switch (function) { |
107 case Runtime::kDefineClassMethod: // TODO(jarin): Is it safe? | 103 case Runtime::kDefineClassMethod: // TODO(jarin): Is it safe? |
108 case Runtime::kDefineGetterPropertyUnchecked: // TODO(jarin): Is it safe? | 104 case Runtime::kDefineGetterPropertyUnchecked: // TODO(jarin): Is it safe? |
109 case Runtime::kDefineSetterPropertyUnchecked: // TODO(jarin): Is it safe? | 105 case Runtime::kDefineSetterPropertyUnchecked: // TODO(jarin): Is it safe? |
110 case Runtime::kForInCacheArrayLength: | 106 case Runtime::kForInCacheArrayLength: |
111 case Runtime::kForInInit: | 107 case Runtime::kForInInit: |
112 case Runtime::kForInNext: | 108 case Runtime::kForInNext: |
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184 | 180 |
185 CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone, | 181 CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone, |
186 const MachineSignature* sig) { | 182 const MachineSignature* sig) { |
187 UNIMPLEMENTED(); | 183 UNIMPLEMENTED(); |
188 return NULL; | 184 return NULL; |
189 } | 185 } |
190 #endif // !V8_TURBOFAN_BACKEND | 186 #endif // !V8_TURBOFAN_BACKEND |
191 } | 187 } |
192 } | 188 } |
193 } // namespace v8::internal::compiler | 189 } // namespace v8::internal::compiler |
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