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7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement()

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Use shorter instruction sequences for atomic add and atomic exchange when possible.

Reviewed-by: kvn, jrose
This commit is contained in:
Roland Westrelin 2012-09-20 16:49:17 +02:00
parent 25f18c20d9
commit 302540691b
38 changed files with 880 additions and 124 deletions
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6
hotspot/src/share/vm/opto/compile.cpp
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@ -2276,6 +2276,12 @@ static void final_graph_reshaping_impl( Node *n, Final_Reshape_Counts &frc ) {
case Op_CompareAndSwapL:
case Op_CompareAndSwapP:
case Op_CompareAndSwapN:
case Op_GetAndAddI:
case Op_GetAndAddL:
case Op_GetAndSetI:
case Op_GetAndSetL:
case Op_GetAndSetP:
case Op_GetAndSetN:
case Op_StoreP:
case Op_StoreN:
case Op_LoadB: