Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot.amd64/src/jdk/vm/ci/hotspot/amd64/AMD64HotSpotJVMCIBackendFactory.java @ 23392:b3a816d3b844
Backed out changeset: a920338dd4d4
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 12 May 2016 11:06:49 +0200 |
parents | 1c4b6a7f1917 |
children | 1d4ce2d19e52 |
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/* * Copyright (c) 2012, 2015, 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 jdk.vm.ci.hotspot.amd64; import static jdk.vm.ci.inittimer.InitTimer.timer; import java.util.EnumSet; import jdk.vm.ci.amd64.AMD64; import jdk.vm.ci.code.Architecture; import jdk.vm.ci.code.RegisterConfig; import jdk.vm.ci.code.TargetDescription; import jdk.vm.ci.code.stack.StackIntrospection; import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider; import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider; import jdk.vm.ci.hotspot.HotSpotJVMCIBackendFactory; import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider; import jdk.vm.ci.hotspot.HotSpotMetaAccessProvider; import jdk.vm.ci.hotspot.HotSpotStackIntrospection; import jdk.vm.ci.hotspot.HotSpotVMConfig; import jdk.vm.ci.inittimer.InitTimer; import jdk.vm.ci.meta.ConstantReflectionProvider; import jdk.vm.ci.runtime.JVMCIBackend; public class AMD64HotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory { protected EnumSet<AMD64.CPUFeature> computeFeatures(HotSpotVMConfig config) { // Configure the feature set using the HotSpot flag settings. EnumSet<AMD64.CPUFeature> features = EnumSet.noneOf(AMD64.CPUFeature.class); if ((config.x86CPUFeatures & config.cpu3DNOWPREFETCH) != 0) { features.add(AMD64.CPUFeature.AMD_3DNOW_PREFETCH); } assert config.useSSE >= 2 : "minimum config for x64"; features.add(AMD64.CPUFeature.SSE); features.add(AMD64.CPUFeature.SSE2); if ((config.x86CPUFeatures & config.cpuSSE3) != 0) { features.add(AMD64.CPUFeature.SSE3); } if ((config.x86CPUFeatures & config.cpuSSSE3) != 0) { features.add(AMD64.CPUFeature.SSSE3); } if ((config.x86CPUFeatures & config.cpuSSE4A) != 0) { features.add(AMD64.CPUFeature.SSE4A); } if ((config.x86CPUFeatures & config.cpuSSE41) != 0) { features.add(AMD64.CPUFeature.SSE4_1); } if ((config.x86CPUFeatures & config.cpuSSE42) != 0) { features.add(AMD64.CPUFeature.SSE4_2); } if ((config.x86CPUFeatures & config.cpuPOPCNT) != 0) { features.add(AMD64.CPUFeature.POPCNT); } if ((config.x86CPUFeatures & config.cpuLZCNT) != 0) { features.add(AMD64.CPUFeature.LZCNT); } if ((config.x86CPUFeatures & config.cpuERMS) != 0) { features.add(AMD64.CPUFeature.ERMS); } if ((config.x86CPUFeatures & config.cpuAVX) != 0) { features.add(AMD64.CPUFeature.AVX); } if ((config.x86CPUFeatures & config.cpuAVX2) != 0) { features.add(AMD64.CPUFeature.AVX2); } if ((config.x86CPUFeatures & config.cpuAES) != 0) { features.add(AMD64.CPUFeature.AES); } if ((config.x86CPUFeatures & config.cpu3DNOWPREFETCH) != 0) { features.add(AMD64.CPUFeature.AMD_3DNOW_PREFETCH); } if ((config.x86CPUFeatures & config.cpuBMI1) != 0) { features.add(AMD64.CPUFeature.BMI1); } return features; } protected EnumSet<AMD64.Flag> computeFlags(HotSpotVMConfig config) { EnumSet<AMD64.Flag> flags = EnumSet.noneOf(AMD64.Flag.class); if (config.useCountLeadingZerosInstruction) { flags.add(AMD64.Flag.UseCountLeadingZerosInstruction); } if (config.useCountTrailingZerosInstruction) { flags.add(AMD64.Flag.UseCountTrailingZerosInstruction); } return flags; } protected TargetDescription createTarget(HotSpotVMConfig config) { final int stackFrameAlignment = 16; final int implicitNullCheckLimit = 4096; final boolean inlineObjects = true; Architecture arch = new AMD64(computeFeatures(config), computeFlags(config)); return new TargetDescription(arch, true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); } protected HotSpotConstantReflectionProvider createConstantReflection(HotSpotJVMCIRuntimeProvider runtime) { return new HotSpotConstantReflectionProvider(runtime); } protected RegisterConfig createRegisterConfig(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target) { return new AMD64HotSpotRegisterConfig(target.arch, runtime.getConfig()); } protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) { return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig); } protected HotSpotMetaAccessProvider createMetaAccess(HotSpotJVMCIRuntimeProvider runtime) { return new HotSpotMetaAccessProvider(runtime); } @Override public String getArchitecture() { return "AMD64"; } @Override public String toString() { return "JVMCIBackend:" + getArchitecture(); } @SuppressWarnings("try") public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, JVMCIBackend host) { assert host == null; TargetDescription target = createTarget(runtime.getConfig()); RegisterConfig regConfig; HotSpotCodeCacheProvider codeCache; ConstantReflectionProvider constantReflection; HotSpotMetaAccessProvider metaAccess; StackIntrospection stackIntrospection; try (InitTimer t = timer("create providers")) { try (InitTimer rt = timer("create MetaAccess provider")) { metaAccess = createMetaAccess(runtime); } try (InitTimer rt = timer("create RegisterConfig")) { regConfig = createRegisterConfig(runtime, target); } try (InitTimer rt = timer("create CodeCache provider")) { codeCache = createCodeCache(runtime, target, regConfig); } try (InitTimer rt = timer("create ConstantReflection provider")) { constantReflection = createConstantReflection(runtime); } try (InitTimer rt = timer("create StackIntrospection provider")) { stackIntrospection = new HotSpotStackIntrospection(runtime); } } try (InitTimer rt = timer("instantiate backend")) { return createBackend(metaAccess, codeCache, constantReflection, stackIntrospection); } } protected JVMCIBackend createBackend(HotSpotMetaAccessProvider metaAccess, HotSpotCodeCacheProvider codeCache, ConstantReflectionProvider constantReflection, StackIntrospection stackIntrospection) { return new JVMCIBackend(metaAccess, codeCache, constantReflection, stackIntrospection); } }