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7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32

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Add intrinsics using new instruction to interpreter, C1, C2, for suitable x86; add test

Reviewed-by: kvn, twisti
This commit is contained in:
David Chase 2013-07-02 20:42:12 -04:00
parent 386e37ba15
commit 9a359984c2
41 changed files with 1487 additions and 173 deletions
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10
hotspot/src/share/vm/c1/c1_GraphBuilder.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
* 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
@ -3461,6 +3461,14 @@ bool GraphBuilder::try_inline_intrinsics(ciMethod* callee) {
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 :