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Side by Side Diff: src/lithium-allocator.h

Issue 1365073002: Revert of Remove register index/code indirection (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 2 months ago
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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_LITHIUM_ALLOCATOR_H_ 5 #ifndef V8_LITHIUM_ALLOCATOR_H_
6 #define V8_LITHIUM_ALLOCATOR_H_ 6 #define V8_LITHIUM_ALLOCATOR_H_
7 7
8 #include "src/allocation.h" 8 #include "src/allocation.h"
9 #include "src/lithium.h" 9 #include "src/lithium.h"
10 #include "src/zone.h" 10 #include "src/zone.h"
(...skipping 502 matching lines...) Expand 10 before | Expand all | Expand 10 after
513 LPlatformChunk* chunk_; 513 LPlatformChunk* chunk_;
514 514
515 // During liveness analysis keep a mapping from block id to live_in sets 515 // During liveness analysis keep a mapping from block id to live_in sets
516 // for blocks already analyzed. 516 // for blocks already analyzed.
517 ZoneList<BitVector*> live_in_sets_; 517 ZoneList<BitVector*> live_in_sets_;
518 518
519 // Liveness analysis results. 519 // Liveness analysis results.
520 ZoneList<LiveRange*> live_ranges_; 520 ZoneList<LiveRange*> live_ranges_;
521 521
522 // Lists of live ranges 522 // Lists of live ranges
523 EmbeddedVector<LiveRange*, Register::kNumRegisters> fixed_live_ranges_; 523 EmbeddedVector<LiveRange*, Register::kMaxNumAllocatableRegisters>
524 EmbeddedVector<LiveRange*, DoubleRegister::kMaxNumRegisters> 524 fixed_live_ranges_;
525 EmbeddedVector<LiveRange*, DoubleRegister::kMaxNumAllocatableRegisters>
525 fixed_double_live_ranges_; 526 fixed_double_live_ranges_;
526 ZoneList<LiveRange*> unhandled_live_ranges_; 527 ZoneList<LiveRange*> unhandled_live_ranges_;
527 ZoneList<LiveRange*> active_live_ranges_; 528 ZoneList<LiveRange*> active_live_ranges_;
528 ZoneList<LiveRange*> inactive_live_ranges_; 529 ZoneList<LiveRange*> inactive_live_ranges_;
529 ZoneList<LiveRange*> reusable_slots_; 530 ZoneList<LiveRange*> reusable_slots_;
530 531
531 // Next virtual register number to be assigned to temporaries. 532 // Next virtual register number to be assigned to temporaries.
532 int next_virtual_register_; 533 int next_virtual_register_;
533 int first_artificial_register_; 534 int first_artificial_register_;
534 GrowableBitVector double_artificial_registers_; 535 GrowableBitVector double_artificial_registers_;
535 536
536 RegisterKind mode_; 537 RegisterKind mode_;
537 int num_registers_; 538 int num_registers_;
538 const int* allocatable_register_codes_;
539 539
540 BitVector* assigned_registers_; 540 BitVector* assigned_registers_;
541 BitVector* assigned_double_registers_; 541 BitVector* assigned_double_registers_;
542 542
543 HGraph* graph_; 543 HGraph* graph_;
544 544
545 bool has_osr_entry_; 545 bool has_osr_entry_;
546 546
547 // Indicates success or failure during register allocation. 547 // Indicates success or failure during register allocation.
548 bool allocation_ok_; 548 bool allocation_ok_;
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564 LAllocator* allocator_; 564 LAllocator* allocator_;
565 size_t allocator_zone_start_allocation_size_; 565 size_t allocator_zone_start_allocation_size_;
566 566
567 DISALLOW_COPY_AND_ASSIGN(LAllocatorPhase); 567 DISALLOW_COPY_AND_ASSIGN(LAllocatorPhase);
568 }; 568 };
569 569
570 570
571 } } // namespace v8::internal 571 } } // namespace v8::internal
572 572
573 #endif // V8_LITHIUM_ALLOCATOR_H_ 573 #endif // V8_LITHIUM_ALLOCATOR_H_
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