Mercurial > hg > truffle
diff src/share/vm/opto/chaitin.cpp @ 6632:a1c7f6472621
7148109: C2 compiler consumes too much heap resources
Summary: Add split_arena to allocate temporary arrays in PhaseChaitin::Split() and free them on method's exit.
Reviewed-by: twisti
| author | kvn |
|---|---|
| date | Mon, 27 Aug 2012 09:46:38 -0700 |
| parents | f7cd53cedd78 |
| children | e626685e9f6c |
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--- a/src/share/vm/opto/chaitin.cpp Fri Aug 24 16:23:59 2012 -0700 +++ b/src/share/vm/opto/chaitin.cpp Mon Aug 27 09:46:38 2012 -0700 @@ -222,6 +222,7 @@ _alternate = 0; _matcher._allocation_started = true; + ResourceArea split_arena; // Arena for Split local resources ResourceArea live_arena; // Arena for liveness & IFG info ResourceMark rm(&live_arena); @@ -324,7 +325,7 @@ // Bail out if unique gets too large (ie - unique > MaxNodeLimit) C->check_node_count(10*must_spill, "out of nodes before split"); if (C->failing()) return; - _maxlrg = Split( _maxlrg ); // Split spilling LRG everywhere + _maxlrg = Split(_maxlrg, &split_arena); // Split spilling LRG everywhere // Bail out if unique gets too large (ie - unique > MaxNodeLimit - 2*NodeLimitFudgeFactor) // or we failed to split C->check_node_count(2*NodeLimitFudgeFactor, "out of nodes after physical split"); @@ -390,7 +391,7 @@ } if( !_maxlrg ) return; - _maxlrg = Split( _maxlrg ); // Split spilling LRG everywhere + _maxlrg = Split(_maxlrg, &split_arena); // Split spilling LRG everywhere // Bail out if unique gets too large (ie - unique > MaxNodeLimit - 2*NodeLimitFudgeFactor) C->check_node_count(2*NodeLimitFudgeFactor, "out of nodes after split"); if (C->failing()) return;