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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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249 bool HasPointerMap() const { return pointer_map_.is_set(); } | 249 bool HasPointerMap() const { return pointer_map_.is_set(); } |
250 | 250 |
251 void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; } | 251 void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; } |
252 HValue* hydrogen_value() const { return hydrogen_value_; } | 252 HValue* hydrogen_value() const { return hydrogen_value_; } |
253 | 253 |
254 virtual void SetDeferredLazyDeoptimizationEnvironment(LEnvironment* env) { } | 254 virtual void SetDeferredLazyDeoptimizationEnvironment(LEnvironment* env) { } |
255 | 255 |
256 void MarkAsCall() { is_call_ = true; } | 256 void MarkAsCall() { is_call_ = true; } |
257 | 257 |
258 // Interface to the register allocator and iterators. | 258 // Interface to the register allocator and iterators. |
259 bool ClobbersTemps() const { return is_call_; } | |
260 bool ClobbersRegisters() const { return is_call_; } | |
261 bool ClobbersDoubleRegisters() const { return is_call_; } | |
262 | |
263 // Interface to the register allocator and iterators. | |
264 bool IsMarkedAsCall() const { return is_call_; } | 259 bool IsMarkedAsCall() const { return is_call_; } |
265 | 260 |
266 virtual bool HasResult() const = 0; | 261 virtual bool HasResult() const = 0; |
267 virtual LOperand* result() = 0; | 262 virtual LOperand* result() = 0; |
268 | 263 |
269 LOperand* FirstInput() { return InputAt(0); } | 264 LOperand* FirstInput() { return InputAt(0); } |
270 LOperand* Output() { return HasResult() ? result() : NULL; } | 265 LOperand* Output() { return HasResult() ? result() : NULL; } |
271 | 266 |
272 #ifdef DEBUG | 267 #ifdef DEBUG |
273 void VerifyCall(); | 268 void VerifyCall(); |
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2357 | 2352 |
2358 void MarkSpilledRegister(int allocation_index, LOperand* spill_operand); | 2353 void MarkSpilledRegister(int allocation_index, LOperand* spill_operand); |
2359 void MarkSpilledDoubleRegister(int allocation_index, | 2354 void MarkSpilledDoubleRegister(int allocation_index, |
2360 LOperand* spill_operand); | 2355 LOperand* spill_operand); |
2361 | 2356 |
2362 private: | 2357 private: |
2363 // Arrays of spill slot operands for registers with an assigned spill | 2358 // Arrays of spill slot operands for registers with an assigned spill |
2364 // slot, i.e., that must also be restored to the spill slot on OSR entry. | 2359 // slot, i.e., that must also be restored to the spill slot on OSR entry. |
2365 // NULL if the register has no assigned spill slot. Indexed by allocation | 2360 // NULL if the register has no assigned spill slot. Indexed by allocation |
2366 // index. | 2361 // index. |
2367 LOperand* register_spills_[Register::kMaxNumAllocatableRegisters]; | 2362 LOperand* register_spills_[Register::kNumAllocatableRegisters]; |
2368 LOperand* double_register_spills_[ | 2363 LOperand* double_register_spills_[DoubleRegister::kNumAllocatableRegisters]; |
2369 DoubleRegister::kMaxNumAllocatableRegisters]; | |
2370 }; | 2364 }; |
2371 | 2365 |
2372 | 2366 |
2373 class LStackCheck: public LTemplateInstruction<0, 0, 0> { | 2367 class LStackCheck: public LTemplateInstruction<0, 0, 0> { |
2374 public: | 2368 public: |
2375 DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check") | 2369 DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check") |
2376 DECLARE_HYDROGEN_ACCESSOR(StackCheck) | 2370 DECLARE_HYDROGEN_ACCESSOR(StackCheck) |
2377 | 2371 |
2378 Label* done_label() { return &done_label_; } | 2372 Label* done_label() { return &done_label_; } |
2379 | 2373 |
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2619 | 2613 |
2620 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2614 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2621 }; | 2615 }; |
2622 | 2616 |
2623 #undef DECLARE_HYDROGEN_ACCESSOR | 2617 #undef DECLARE_HYDROGEN_ACCESSOR |
2624 #undef DECLARE_CONCRETE_INSTRUCTION | 2618 #undef DECLARE_CONCRETE_INSTRUCTION |
2625 | 2619 |
2626 } } // namespace v8::internal | 2620 } } // namespace v8::internal |
2627 | 2621 |
2628 #endif // V8_ARM_LITHIUM_ARM_H_ | 2622 #endif // V8_ARM_LITHIUM_ARM_H_ |
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