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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_CRANKSHAFT_LITHIUM_ALLOCATOR_H_ | 5 #ifndef V8_CRANKSHAFT_LITHIUM_ALLOCATOR_H_ |
| 6 #define V8_CRANKSHAFT_LITHIUM_ALLOCATOR_H_ | 6 #define V8_CRANKSHAFT_LITHIUM_ALLOCATOR_H_ |
| 7 | 7 |
| 8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
| 9 #include "src/base/compiler-specific.h" | |
| 10 #include "src/crankshaft/compilation-phase.h" | 9 #include "src/crankshaft/compilation-phase.h" |
| 11 #include "src/crankshaft/lithium.h" | 10 #include "src/crankshaft/lithium.h" |
| 12 #include "src/zone.h" | 11 #include "src/zone.h" |
| 13 | 12 |
| 14 namespace v8 { | 13 namespace v8 { |
| 15 namespace internal { | 14 namespace internal { |
| 16 | 15 |
| 17 // Forward declarations. | 16 // Forward declarations. |
| 18 class HBasicBlock; | 17 class HBasicBlock; |
| 19 class HGraph; | 18 class HGraph; |
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| 321 int spill_start_index_; | 320 int spill_start_index_; |
| 322 | 321 |
| 323 friend class LAllocator; // Assigns to kind_. | 322 friend class LAllocator; // Assigns to kind_. |
| 324 }; | 323 }; |
| 325 | 324 |
| 326 | 325 |
| 327 class LAllocator BASE_EMBEDDED { | 326 class LAllocator BASE_EMBEDDED { |
| 328 public: | 327 public: |
| 329 LAllocator(int first_virtual_register, HGraph* graph); | 328 LAllocator(int first_virtual_register, HGraph* graph); |
| 330 | 329 |
| 331 static PRINTF_FORMAT(1, 2) void TraceAlloc(const char* msg, ...); | 330 static void TraceAlloc(const char* msg, ...); |
| 332 | 331 |
| 333 // Checks whether the value of a given virtual register is tagged. | 332 // Checks whether the value of a given virtual register is tagged. |
| 334 bool HasTaggedValue(int virtual_register) const; | 333 bool HasTaggedValue(int virtual_register) const; |
| 335 | 334 |
| 336 // Returns the register kind required by the given virtual register. | 335 // Returns the register kind required by the given virtual register. |
| 337 RegisterKind RequiredRegisterKind(int virtual_register) const; | 336 RegisterKind RequiredRegisterKind(int virtual_register) const; |
| 338 | 337 |
| 339 bool Allocate(LChunk* chunk); | 338 bool Allocate(LChunk* chunk); |
| 340 | 339 |
| 341 const ZoneList<LiveRange*>* live_ranges() const { return &live_ranges_; } | 340 const ZoneList<LiveRange*>* live_ranges() const { return &live_ranges_; } |
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| 567 size_t allocator_zone_start_allocation_size_; | 566 size_t allocator_zone_start_allocation_size_; |
| 568 | 567 |
| 569 DISALLOW_COPY_AND_ASSIGN(LAllocatorPhase); | 568 DISALLOW_COPY_AND_ASSIGN(LAllocatorPhase); |
| 570 }; | 569 }; |
| 571 | 570 |
| 572 | 571 |
| 573 } // namespace internal | 572 } // namespace internal |
| 574 } // namespace v8 | 573 } // namespace v8 |
| 575 | 574 |
| 576 #endif // V8_CRANKSHAFT_LITHIUM_ALLOCATOR_H_ | 575 #endif // V8_CRANKSHAFT_LITHIUM_ALLOCATOR_H_ |
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