Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotSnippetInstaller.java @ 7384:d0fbdf2f7a0e
added com.sun.crypto.provider.CipherBlockChaining intrinsifications
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 15 Jan 2013 21:11:32 +0100 |
parents | 27ee289ec5a7 |
children | 225002aba5a5 |
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/* * Copyright (c) 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. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.hotspot; import java.lang.reflect.*; import com.oracle.graal.api.code.*; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.hotspot.snippets.*; import com.oracle.graal.snippets.*; /** * Filters certain intrinsifications based on whether there is underlying hardware support for them. */ public class HotSpotSnippetInstaller extends SnippetInstaller { private final HotSpotVMConfig config; public HotSpotSnippetInstaller(HotSpotRuntime runtime, Assumptions assumptions, TargetDescription target) { super(runtime, assumptions, target); this.config = runtime.config; } @Override protected void installSubstitution(Method originalMethod, Method substituteMethod) { if (substituteMethod.getDeclaringClass() == IntegerSubstitutions.class || substituteMethod.getDeclaringClass() == LongSubstitutions.class) { if (substituteMethod.getName().equals("bitCount")) { if (!config.usePopCountInstruction) { return; } } } else if (substituteMethod.getDeclaringClass() == AESCryptSubstitutions.class || substituteMethod.getDeclaringClass() == CipherBlockChainingSubstitutions.class) { if (!config.useAESIntrinsics) { return; } assert config.aescryptEncryptBlockStub != 0L; assert config.aescryptDecryptBlockStub != 0L; assert config.cipherBlockChainingEncryptAESCryptStub != 0L; assert config.cipherBlockChainingDecryptAESCryptStub != 0L; } super.installSubstitution(originalMethod, substituteMethod); } }