1.1 --- a/src/share/vm/opto/live.hpp Fri Mar 08 08:22:18 2013 -0800
1.2 +++ b/src/share/vm/opto/live.hpp Wed Mar 13 10:56:54 2013 +0100
1.3 @@ -33,11 +33,35 @@
1.4 #include "opto/regmask.hpp"
1.5
1.6 class Block;
1.7 -class LRG_List;
1.8 class PhaseCFG;
1.9 class VectorSet;
1.10 class IndexSet;
1.11
1.12 +//------------------------------LRG_List---------------------------------------
1.13 +// Map Node indices to Live RanGe indices.
1.14 +// Array lookup in the optimized case.
1.15 +class LRG_List : public ResourceObj {
1.16 + friend class VMStructs;
1.17 + uint _cnt, _max;
1.18 + uint* _lidxs;
1.19 + ReallocMark _nesting; // assertion check for reallocations
1.20 +public:
1.21 + LRG_List( uint max );
1.22 +
1.23 + uint lookup( uint nidx ) const {
1.24 + return _lidxs[nidx];
1.25 + }
1.26 + uint operator[] (uint nidx) const { return lookup(nidx); }
1.27 +
1.28 + void map( uint nidx, uint lidx ) {
1.29 + assert( nidx < _cnt, "oob" );
1.30 + _lidxs[nidx] = lidx;
1.31 + }
1.32 + void extend( uint nidx, uint lidx );
1.33 +
1.34 + uint Size() const { return _cnt; }
1.35 +};
1.36 +
1.37 //------------------------------PhaseLive--------------------------------------
1.38 // Compute live-in/live-out
1.39 class PhaseLive : public Phase {
