| /* |
| * Copyright (c) 2012, 2016, 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.common.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.common.InitTimer; |
| 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.meta.ConstantReflectionProvider; |
| import jdk.vm.ci.runtime.JVMCIBackend; |
| |
| public class AMD64HotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory { |
| |
| protected EnumSet<AMD64.CPUFeature> computeFeatures(AMD64HotSpotVMConfig config) { |
| // Configure the feature set using the HotSpot flag settings. |
| EnumSet<AMD64.CPUFeature> features = EnumSet.noneOf(AMD64.CPUFeature.class); |
| if ((config.vmVersionFeatures & config.amd643DNOWPREFETCH) != 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.vmVersionFeatures & config.amd64SSE3) != 0) { |
| features.add(AMD64.CPUFeature.SSE3); |
| } |
| if ((config.vmVersionFeatures & config.amd64SSSE3) != 0) { |
| features.add(AMD64.CPUFeature.SSSE3); |
| } |
| if ((config.vmVersionFeatures & config.amd64SSE4A) != 0) { |
| features.add(AMD64.CPUFeature.SSE4A); |
| } |
| if ((config.vmVersionFeatures & config.amd64SSE41) != 0) { |
| features.add(AMD64.CPUFeature.SSE4_1); |
| } |
| if ((config.vmVersionFeatures & config.amd64SSE42) != 0) { |
| features.add(AMD64.CPUFeature.SSE4_2); |
| } |
| if ((config.vmVersionFeatures & config.amd64POPCNT) != 0) { |
| features.add(AMD64.CPUFeature.POPCNT); |
| } |
| if ((config.vmVersionFeatures & config.amd64LZCNT) != 0) { |
| features.add(AMD64.CPUFeature.LZCNT); |
| } |
| if ((config.vmVersionFeatures & config.amd64ERMS) != 0) { |
| features.add(AMD64.CPUFeature.ERMS); |
| } |
| if ((config.vmVersionFeatures & config.amd64AVX) != 0) { |
| features.add(AMD64.CPUFeature.AVX); |
| } |
| if ((config.vmVersionFeatures & config.amd64AVX2) != 0) { |
| features.add(AMD64.CPUFeature.AVX2); |
| } |
| if ((config.vmVersionFeatures & config.amd64AES) != 0) { |
| features.add(AMD64.CPUFeature.AES); |
| } |
| if ((config.vmVersionFeatures & config.amd643DNOWPREFETCH) != 0) { |
| features.add(AMD64.CPUFeature.AMD_3DNOW_PREFETCH); |
| } |
| if ((config.vmVersionFeatures & config.amd64BMI1) != 0) { |
| features.add(AMD64.CPUFeature.BMI1); |
| } |
| if ((config.vmVersionFeatures & config.amd64BMI2) != 0) { |
| features.add(AMD64.CPUFeature.BMI2); |
| } |
| if ((config.vmVersionFeatures & config.amd64RTM) != 0) { |
| features.add(AMD64.CPUFeature.RTM); |
| } |
| if ((config.vmVersionFeatures & config.amd64ADX) != 0) { |
| features.add(AMD64.CPUFeature.ADX); |
| } |
| if ((config.vmVersionFeatures & config.amd64AVX512F) != 0) { |
| features.add(AMD64.CPUFeature.AVX512F); |
| } |
| if ((config.vmVersionFeatures & config.amd64AVX512DQ) != 0) { |
| features.add(AMD64.CPUFeature.AVX512DQ); |
| } |
| if ((config.vmVersionFeatures & config.amd64AVX512PF) != 0) { |
| features.add(AMD64.CPUFeature.AVX512PF); |
| } |
| if ((config.vmVersionFeatures & config.amd64AVX512ER) != 0) { |
| features.add(AMD64.CPUFeature.AVX512ER); |
| } |
| if ((config.vmVersionFeatures & config.amd64AVX512CD) != 0) { |
| features.add(AMD64.CPUFeature.AVX512CD); |
| } |
| if ((config.vmVersionFeatures & config.amd64AVX512BW) != 0) { |
| features.add(AMD64.CPUFeature.AVX512BW); |
| } |
| if ((config.vmVersionFeatures & config.amd64AVX512VL) != 0) { |
| features.add(AMD64.CPUFeature.AVX512VL); |
| } |
| if ((config.vmVersionFeatures & config.amd64SHA) != 0) { |
| features.add(AMD64.CPUFeature.SHA); |
| } |
| if ((config.vmVersionFeatures & config.amd64FMA) != 0) { |
| features.add(AMD64.CPUFeature.FMA); |
| } |
| return features; |
| } |
| |
| protected EnumSet<AMD64.Flag> computeFlags(AMD64HotSpotVMConfig 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(AMD64HotSpotVMConfig 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(AMD64HotSpotVMConfig config, TargetDescription target) { |
| return new AMD64HotSpotRegisterConfig(target, config.useCompressedOops, config.windowsOs); |
| } |
| |
| 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; |
| AMD64HotSpotVMConfig config = new AMD64HotSpotVMConfig(runtime.getConfigStore()); |
| TargetDescription target = createTarget(config); |
| |
| 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(config, 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); |
| } |
| } |
