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6462850: generate biased locking code in C2 ideal graph

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Inline biased locking code in C2 ideal graph during macro nodes expansion

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2008-11-07 09:29:38 -08:00
parent 2c3b8ec969
commit 7aae40a95f
25 changed files with 472 additions and 148 deletions
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1
hotspot/src/share/vm/opto/loopTransform.cpp
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@ -1519,6 +1519,7 @@ void IdealLoopTree::adjust_loop_exit_prob( PhaseIdealLoop *phase ) {
Node *bol = iff->in(1);
if( bol && bol->req() > 1 && bol->in(1) &&
((bol->in(1)->Opcode() == Op_StorePConditional ) ||
(bol->in(1)->Opcode() == Op_StoreIConditional ) ||
(bol->in(1)->Opcode() == Op_StoreLConditional ) ||
(bol->in(1)->Opcode() == Op_CompareAndSwapI ) ||
(bol->in(1)->Opcode() == Op_CompareAndSwapL ) ||