src/share/vm/c1/c1_GraphBuilder.cpp
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src/share/vm/c1/c1_GraphBuilder.cpp

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*** 1,7 **** /* ! * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. --- 1,7 ---- /* ! * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.
*** 3459,3468 **** --- 3459,3476 ---- // Also to prevent commoning reads from this field across safepoint // since GC can change its value. preserves_state = true; break; + case vmIntrinsics::_updateCRC32: + case vmIntrinsics::_updateBytesCRC32: + case vmIntrinsics::_updateByteBufferCRC32: + if (!UseCRC32Intrinsics) return false; + cantrap = false; + preserves_state = true; + break; + case vmIntrinsics::_loadFence : case vmIntrinsics::_storeFence: case vmIntrinsics::_fullFence : break;
src/share/vm/c1/c1_GraphBuilder.cpp
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