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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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| 601 LPlatformChunk* chunk_; | 601 LPlatformChunk* chunk_; |
| 602 | 602 |
| 603 // During liveness analysis keep a mapping from block id to live_in sets | 603 // During liveness analysis keep a mapping from block id to live_in sets |
| 604 // for blocks already analyzed. | 604 // for blocks already analyzed. |
| 605 ZoneList<BitVector*> live_in_sets_; | 605 ZoneList<BitVector*> live_in_sets_; |
| 606 | 606 |
| 607 // Liveness analysis results. | 607 // Liveness analysis results. |
| 608 ZoneList<LiveRange*> live_ranges_; | 608 ZoneList<LiveRange*> live_ranges_; |
| 609 | 609 |
| 610 // Lists of live ranges | 610 // Lists of live ranges |
| 611 EmbeddedVector<LiveRange*, Register::kMaxNumAllocatableRegisters> | 611 EmbeddedVector<LiveRange*, Register::kNumAllocatableRegisters> |
| 612 fixed_live_ranges_; | 612 fixed_live_ranges_; |
| 613 EmbeddedVector<LiveRange*, DoubleRegister::kMaxNumAllocatableRegisters> | 613 EmbeddedVector<LiveRange*, DoubleRegister::kNumAllocatableRegisters> |
| 614 fixed_double_live_ranges_; | 614 fixed_double_live_ranges_; |
| 615 ZoneList<LiveRange*> unhandled_live_ranges_; | 615 ZoneList<LiveRange*> unhandled_live_ranges_; |
| 616 ZoneList<LiveRange*> active_live_ranges_; | 616 ZoneList<LiveRange*> active_live_ranges_; |
| 617 ZoneList<LiveRange*> inactive_live_ranges_; | 617 ZoneList<LiveRange*> inactive_live_ranges_; |
| 618 ZoneList<LiveRange*> reusable_slots_; | 618 ZoneList<LiveRange*> reusable_slots_; |
| 619 | 619 |
| 620 // Next virtual register number to be assigned to temporaries. | 620 // Next virtual register number to be assigned to temporaries. |
| 621 int next_virtual_register_; | 621 int next_virtual_register_; |
| 622 int first_artificial_register_; | 622 int first_artificial_register_; |
| 623 GrowableBitVector double_artificial_registers_; | 623 GrowableBitVector double_artificial_registers_; |
| 624 | 624 |
| 625 RegisterKind mode_; | 625 RegisterKind mode_; |
| 626 int num_registers_; | 626 int num_registers_; |
| 627 | 627 |
| 628 HGraph* graph_; | 628 HGraph* graph_; |
| 629 | 629 |
| 630 bool has_osr_entry_; | 630 bool has_osr_entry_; |
| 631 | 631 |
| 632 // Indicates success or failure during register allocation. | 632 // Indicates success or failure during register allocation. |
| 633 bool allocation_ok_; | 633 bool allocation_ok_; |
| 634 | 634 |
| 635 DISALLOW_COPY_AND_ASSIGN(LAllocator); | 635 DISALLOW_COPY_AND_ASSIGN(LAllocator); |
| 636 }; | 636 }; |
| 637 | 637 |
| 638 | 638 |
| 639 } } // namespace v8::internal | 639 } } // namespace v8::internal |
| 640 | 640 |
| 641 #endif // V8_LITHIUM_ALLOCATOR_H_ | 641 #endif // V8_LITHIUM_ALLOCATOR_H_ |
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