Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/live.hpp
src/share/vm/opto/live.hpp
- changeset 4728
- 056ab43544a4
- parent 2314
- f95d63e2154a
- child 4949
- 8373c19be854
equal
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replaced
| 4708:8196357e95b5 | 4728:056ab43544a4 |
|---|---|
| 31 #include "opto/indexSet.hpp" | 31 #include "opto/indexSet.hpp" |
| 32 #include "opto/phase.hpp" | 32 #include "opto/phase.hpp" |
| 33 #include "opto/regmask.hpp" | 33 #include "opto/regmask.hpp" |
| 34 | 34 |
| 35 class Block; | 35 class Block; |
| 36 class LRG_List; | |
| 37 class PhaseCFG; | 36 class PhaseCFG; |
| 38 class VectorSet; | 37 class VectorSet; |
| 39 class IndexSet; | 38 class IndexSet; |
| 39 | |
| 40 //------------------------------LRG_List--------------------------------------- | |
| 41 // Map Node indices to Live RanGe indices. | |
| 42 // Array lookup in the optimized case. | |
| 43 class LRG_List : public ResourceObj { | |
| 44 friend class VMStructs; | |
| 45 uint _cnt, _max; | |
| 46 uint* _lidxs; | |
| 47 ReallocMark _nesting; // assertion check for reallocations | |
| 48 public: | |
| 49 LRG_List( uint max ); | |
| 50 | |
| 51 uint lookup( uint nidx ) const { | |
| 52 return _lidxs[nidx]; | |
| 53 } | |
| 54 uint operator[] (uint nidx) const { return lookup(nidx); } | |
| 55 | |
| 56 void map( uint nidx, uint lidx ) { | |
| 57 assert( nidx < _cnt, "oob" ); | |
| 58 _lidxs[nidx] = lidx; | |
| 59 } | |
| 60 void extend( uint nidx, uint lidx ); | |
| 61 | |
| 62 uint Size() const { return _cnt; } | |
| 63 }; | |
| 40 | 64 |
| 41 //------------------------------PhaseLive-------------------------------------- | 65 //------------------------------PhaseLive-------------------------------------- |
| 42 // Compute live-in/live-out | 66 // Compute live-in/live-out |
| 43 class PhaseLive : public Phase { | 67 class PhaseLive : public Phase { |
| 44 // Array of Sets of values live at the start of a block. | 68 // Array of Sets of values live at the start of a block. |
