hotspot: 7081933: Use zeroing elimination optimization for large array (original) (raw)

vladimir.kozlov at oracle.com vladimir.kozlov at oracle.com
Mon Sep 26 16:52:41 PDT 2011

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Changeset: a92cdbac8b9e Author: kvn Date: 2011-09-26 10:24 -0700 URL: http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/a92cdbac8b9e

7081933: Use zeroing elimination optimization for large array Summary: Don't zero new typeArray during runtime call if the allocation is followed by arraycopy into it. Reviewed-by: twisti

! src/cpu/sparc/vm/stubGenerator_sparc.cpp ! src/share/vm/gc_interface/collectedHeap.hpp ! src/share/vm/gc_interface/collectedHeap.inline.hpp ! src/share/vm/memory/oopFactory.cpp ! src/share/vm/memory/oopFactory.hpp ! src/share/vm/oops/typeArrayKlass.cpp ! src/share/vm/oops/typeArrayKlass.hpp ! src/share/vm/opto/library_call.cpp ! src/share/vm/opto/macro.cpp ! src/share/vm/opto/memnode.cpp ! src/share/vm/opto/memnode.hpp ! src/share/vm/opto/runtime.cpp ! src/share/vm/opto/runtime.hpp

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