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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 #ifndef V8_X64_LITHIUM_X64_H_ | 5 #ifndef V8_X64_LITHIUM_X64_H_ |
6 #define V8_X64_LITHIUM_X64_H_ | 6 #define V8_X64_LITHIUM_X64_H_ |
7 | 7 |
8 #include "src/hydrogen.h" | 8 #include "src/hydrogen.h" |
9 #include "src/lithium.h" | 9 #include "src/lithium.h" |
10 #include "src/lithium-allocator.h" | 10 #include "src/lithium-allocator.h" |
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76 V(Dummy) \ | 76 V(Dummy) \ |
77 V(FlooringDivByConstI) \ | 77 V(FlooringDivByConstI) \ |
78 V(FlooringDivByPowerOf2I) \ | 78 V(FlooringDivByPowerOf2I) \ |
79 V(FlooringDivI) \ | 79 V(FlooringDivI) \ |
80 V(ForInCacheArray) \ | 80 V(ForInCacheArray) \ |
81 V(ForInPrepareMap) \ | 81 V(ForInPrepareMap) \ |
82 V(FunctionLiteral) \ | 82 V(FunctionLiteral) \ |
83 V(GetCachedArrayIndex) \ | 83 V(GetCachedArrayIndex) \ |
84 V(Goto) \ | 84 V(Goto) \ |
85 V(HasCachedArrayIndexAndBranch) \ | 85 V(HasCachedArrayIndexAndBranch) \ |
| 86 V(HasInPrototypeChainAndBranch) \ |
86 V(HasInstanceTypeAndBranch) \ | 87 V(HasInstanceTypeAndBranch) \ |
87 V(InnerAllocatedObject) \ | 88 V(InnerAllocatedObject) \ |
88 V(InstanceOf) \ | 89 V(InstanceOf) \ |
89 V(InstanceOfKnownGlobal) \ | |
90 V(InstructionGap) \ | 90 V(InstructionGap) \ |
91 V(Integer32ToDouble) \ | 91 V(Integer32ToDouble) \ |
92 V(InvokeFunction) \ | 92 V(InvokeFunction) \ |
93 V(IsConstructCallAndBranch) \ | 93 V(IsConstructCallAndBranch) \ |
94 V(IsObjectAndBranch) \ | 94 V(IsObjectAndBranch) \ |
95 V(IsStringAndBranch) \ | 95 V(IsStringAndBranch) \ |
96 V(IsSmiAndBranch) \ | 96 V(IsSmiAndBranch) \ |
97 V(IsUndetectableAndBranch) \ | 97 V(IsUndetectableAndBranch) \ |
98 V(Label) \ | 98 V(Label) \ |
99 V(LazyBailout) \ | 99 V(LazyBailout) \ |
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235 void MarkAsCall() { bit_field_ = IsCallBits::update(bit_field_, true); } | 235 void MarkAsCall() { bit_field_ = IsCallBits::update(bit_field_, true); } |
236 bool IsCall() const { return IsCallBits::decode(bit_field_); } | 236 bool IsCall() const { return IsCallBits::decode(bit_field_); } |
237 | 237 |
238 // Interface to the register allocator and iterators. | 238 // Interface to the register allocator and iterators. |
239 bool ClobbersTemps() const { return IsCall(); } | 239 bool ClobbersTemps() const { return IsCall(); } |
240 bool ClobbersRegisters() const { return IsCall(); } | 240 bool ClobbersRegisters() const { return IsCall(); } |
241 virtual bool ClobbersDoubleRegisters(Isolate* isolate) const { | 241 virtual bool ClobbersDoubleRegisters(Isolate* isolate) const { |
242 return IsCall(); | 242 return IsCall(); |
243 } | 243 } |
244 | 244 |
245 virtual void SetDeferredLazyDeoptimizationEnvironment(LEnvironment* env) { } | |
246 | |
247 // Interface to the register allocator and iterators. | 245 // Interface to the register allocator and iterators. |
248 bool IsMarkedAsCall() const { return IsCall(); } | 246 bool IsMarkedAsCall() const { return IsCall(); } |
249 | 247 |
250 virtual bool HasResult() const = 0; | 248 virtual bool HasResult() const = 0; |
251 virtual LOperand* result() const = 0; | 249 virtual LOperand* result() const = 0; |
252 | 250 |
253 LOperand* FirstInput() { return InputAt(0); } | 251 LOperand* FirstInput() { return InputAt(0); } |
254 LOperand* Output() { return HasResult() ? result() : NULL; } | 252 LOperand* Output() { return HasResult() ? result() : NULL; } |
255 | 253 |
256 virtual bool HasInterestingComment(LCodeGen* gen) const { return true; } | 254 virtual bool HasInterestingComment(LCodeGen* gen) const { return true; } |
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1169 } | 1167 } |
1170 | 1168 |
1171 LOperand* context() { return inputs_[0]; } | 1169 LOperand* context() { return inputs_[0]; } |
1172 LOperand* left() { return inputs_[1]; } | 1170 LOperand* left() { return inputs_[1]; } |
1173 LOperand* right() { return inputs_[2]; } | 1171 LOperand* right() { return inputs_[2]; } |
1174 | 1172 |
1175 DECLARE_CONCRETE_INSTRUCTION(InstanceOf, "instance-of") | 1173 DECLARE_CONCRETE_INSTRUCTION(InstanceOf, "instance-of") |
1176 }; | 1174 }; |
1177 | 1175 |
1178 | 1176 |
1179 class LInstanceOfKnownGlobal final : public LTemplateInstruction<1, 2, 1> { | 1177 class LHasInPrototypeChainAndBranch final : public LControlInstruction<2, 0> { |
1180 public: | 1178 public: |
1181 LInstanceOfKnownGlobal(LOperand* context, LOperand* value, LOperand* temp) { | 1179 LHasInPrototypeChainAndBranch(LOperand* object, LOperand* prototype) { |
1182 inputs_[0] = context; | 1180 inputs_[0] = object; |
1183 inputs_[1] = value; | 1181 inputs_[1] = prototype; |
1184 temps_[0] = temp; | |
1185 } | 1182 } |
1186 | 1183 |
1187 LOperand* context() { return inputs_[0]; } | 1184 LOperand* object() const { return inputs_[0]; } |
1188 LOperand* value() { return inputs_[1]; } | 1185 LOperand* prototype() const { return inputs_[1]; } |
1189 LOperand* temp() { return temps_[0]; } | |
1190 | 1186 |
1191 DECLARE_CONCRETE_INSTRUCTION(InstanceOfKnownGlobal, | 1187 DECLARE_CONCRETE_INSTRUCTION(HasInPrototypeChainAndBranch, |
1192 "instance-of-known-global") | 1188 "has-in-prototype-chain-and-branch") |
1193 DECLARE_HYDROGEN_ACCESSOR(InstanceOfKnownGlobal) | 1189 DECLARE_HYDROGEN_ACCESSOR(HasInPrototypeChainAndBranch) |
1194 | |
1195 Handle<JSFunction> function() const { return hydrogen()->function(); } | |
1196 LEnvironment* GetDeferredLazyDeoptimizationEnvironment() { | |
1197 return lazy_deopt_env_; | |
1198 } | |
1199 virtual void SetDeferredLazyDeoptimizationEnvironment( | |
1200 LEnvironment* env) override { | |
1201 lazy_deopt_env_ = env; | |
1202 } | |
1203 | |
1204 private: | |
1205 LEnvironment* lazy_deopt_env_; | |
1206 }; | 1190 }; |
1207 | 1191 |
1208 | 1192 |
1209 class LBoundsCheck final : public LTemplateInstruction<0, 2, 0> { | 1193 class LBoundsCheck final : public LTemplateInstruction<0, 2, 0> { |
1210 public: | 1194 public: |
1211 LBoundsCheck(LOperand* index, LOperand* length) { | 1195 LBoundsCheck(LOperand* index, LOperand* length) { |
1212 inputs_[0] = index; | 1196 inputs_[0] = index; |
1213 inputs_[1] = length; | 1197 inputs_[1] = length; |
1214 } | 1198 } |
1215 | 1199 |
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2899 | 2883 |
2900 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2884 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2901 }; | 2885 }; |
2902 | 2886 |
2903 #undef DECLARE_HYDROGEN_ACCESSOR | 2887 #undef DECLARE_HYDROGEN_ACCESSOR |
2904 #undef DECLARE_CONCRETE_INSTRUCTION | 2888 #undef DECLARE_CONCRETE_INSTRUCTION |
2905 | 2889 |
2906 } } // namespace v8::int | 2890 } } // namespace v8::int |
2907 | 2891 |
2908 #endif // V8_X64_LITHIUM_X64_H_ | 2892 #endif // V8_X64_LITHIUM_X64_H_ |
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