Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotReplacementsImpl.java @ 13132:922dd1415c0a
Commit pass target as a parameter to ReplacementImpl, so that it does not require a CodeCacheProvider
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Fri, 22 Nov 2013 12:17:53 -0800 |
parents | ad2434911b69 |
children | 805a904eae8f |
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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.api.meta.*; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.hotspot.replacements.*; import com.oracle.graal.nodes.*; import com.oracle.graal.phases.util.*; import com.oracle.graal.replacements.*; /** * Filters certain method substitutions based on whether there is underlying hardware support for * them. */ public class HotSpotReplacementsImpl extends ReplacementsImpl { private final HotSpotVMConfig config; public HotSpotReplacementsImpl(Providers providers, HotSpotVMConfig config, Assumptions assumptions, TargetDescription target) { super(providers, assumptions, target); this.config = config; } @Override protected ResolvedJavaMethod registerMethodSubstitution(Member originalMethod, Method substituteMethod) { if (substituteMethod.getDeclaringClass().getDeclaringClass() == BoxingSubstitutions.class) { if (config.useHeapProfiler) { return null; } } else if (substituteMethod.getDeclaringClass() == IntegerSubstitutions.class || substituteMethod.getDeclaringClass() == LongSubstitutions.class) { if (substituteMethod.getName().equals("bitCount")) { if (!config.usePopCountInstruction) { return null; } } } else if (substituteMethod.getDeclaringClass() == AESCryptSubstitutions.class || substituteMethod.getDeclaringClass() == CipherBlockChainingSubstitutions.class) { if (!config.useAESIntrinsics) { return null; } assert config.aescryptEncryptBlockStub != 0L; assert config.aescryptDecryptBlockStub != 0L; assert config.cipherBlockChainingEncryptAESCryptStub != 0L; assert config.cipherBlockChainingDecryptAESCryptStub != 0L; } else if (substituteMethod.getDeclaringClass() == CRC32Substitutions.class) { if (!config.useCRC32Intrinsics) { return null; } } return super.registerMethodSubstitution(originalMethod, substituteMethod); } @Override public Class<? extends FixedWithNextNode> getMacroSubstitution(ResolvedJavaMethod method) { HotSpotResolvedJavaMethod hsMethod = (HotSpotResolvedJavaMethod) method; int intrinsicId = hsMethod.intrinsicId(); if (intrinsicId != 0) { if (intrinsicId == config.vmIntrinsicInvokeBasic) { return MethodHandleInvokeBasicNode.class; } else if (intrinsicId == config.vmIntrinsicLinkToInterface) { return MethodHandleLinkToInterfaceNode.class; } else if (intrinsicId == config.vmIntrinsicLinkToSpecial) { return MethodHandleLinkToSpecialNode.class; } else if (intrinsicId == config.vmIntrinsicLinkToStatic) { return MethodHandleLinkToStaticNode.class; } else if (intrinsicId == config.vmIntrinsicLinkToVirtual) { return MethodHandleLinkToVirtualNode.class; } } return super.getMacroSubstitution(method); } }