1 /* 2 * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package jdk.vm.ci.hotspot.amd64; 24 25 import static jdk.vm.ci.common.InitTimer.timer; 26 27 import java.util.EnumSet; 28 29 import jdk.vm.ci.amd64.AMD64; 30 import jdk.vm.ci.code.Architecture; 31 import jdk.vm.ci.code.RegisterConfig; 32 import jdk.vm.ci.code.TargetDescription; 33 import jdk.vm.ci.code.stack.StackIntrospection; 34 import jdk.vm.ci.common.InitTimer; 35 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider; 36 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider; 37 import jdk.vm.ci.hotspot.HotSpotJVMCIBackendFactory; 38 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider; 39 import jdk.vm.ci.hotspot.HotSpotMetaAccessProvider; 40 import jdk.vm.ci.hotspot.HotSpotStackIntrospection; 41 import jdk.vm.ci.hotspot.HotSpotVMConfig; 42 import jdk.vm.ci.meta.ConstantReflectionProvider; 43 import jdk.vm.ci.runtime.JVMCIBackend; 44 45 public class AMD64HotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory { 46 47 protected EnumSet<AMD64.CPUFeature> computeFeatures(HotSpotVMConfig config) { 48 // Configure the feature set using the HotSpot flag settings. 49 EnumSet<AMD64.CPUFeature> features = EnumSet.noneOf(AMD64.CPUFeature.class); 50 if ((config.vmVersionFeatures & config.amd643DNOWPREFETCH) != 0) { 51 features.add(AMD64.CPUFeature.AMD_3DNOW_PREFETCH); 52 } 53 assert config.useSSE >= 2 : "minimum config for x64"; 54 features.add(AMD64.CPUFeature.SSE); 55 features.add(AMD64.CPUFeature.SSE2); 56 if ((config.vmVersionFeatures & config.amd64SSE3) != 0) { 57 features.add(AMD64.CPUFeature.SSE3); 58 } 59 if ((config.vmVersionFeatures & config.amd64SSSE3) != 0) { 60 features.add(AMD64.CPUFeature.SSSE3); 61 } 62 if ((config.vmVersionFeatures & config.amd64SSE4A) != 0) { 63 features.add(AMD64.CPUFeature.SSE4A); 64 } 65 if ((config.vmVersionFeatures & config.amd64SSE41) != 0) { 66 features.add(AMD64.CPUFeature.SSE4_1); 67 } 68 if ((config.vmVersionFeatures & config.amd64SSE42) != 0) { 69 features.add(AMD64.CPUFeature.SSE4_2); 70 } 71 if ((config.vmVersionFeatures & config.amd64POPCNT) != 0) { 72 features.add(AMD64.CPUFeature.POPCNT); 73 } 74 if ((config.vmVersionFeatures & config.amd64LZCNT) != 0) { 75 features.add(AMD64.CPUFeature.LZCNT); 76 } 77 if ((config.vmVersionFeatures & config.amd64ERMS) != 0) { 78 features.add(AMD64.CPUFeature.ERMS); 79 } 80 if ((config.vmVersionFeatures & config.amd64AVX) != 0) { 81 features.add(AMD64.CPUFeature.AVX); 82 } 83 if ((config.vmVersionFeatures & config.amd64AVX2) != 0) { 84 features.add(AMD64.CPUFeature.AVX2); 85 } 86 if ((config.vmVersionFeatures & config.amd64AES) != 0) { 87 features.add(AMD64.CPUFeature.AES); 88 } 89 if ((config.vmVersionFeatures & config.amd643DNOWPREFETCH) != 0) { 90 features.add(AMD64.CPUFeature.AMD_3DNOW_PREFETCH); 91 } 92 if ((config.vmVersionFeatures & config.amd64BMI1) != 0) { 93 features.add(AMD64.CPUFeature.BMI1); 94 } 95 if ((config.vmVersionFeatures & config.amd64BMI2) != 0) { 96 features.add(AMD64.CPUFeature.BMI2); 97 } 98 if ((config.vmVersionFeatures & config.amd64RTM) != 0) { 99 features.add(AMD64.CPUFeature.RTM); 100 } 101 if ((config.vmVersionFeatures & config.amd64ADX) != 0) { 102 features.add(AMD64.CPUFeature.ADX); 103 } 104 if ((config.vmVersionFeatures & config.amd64AVX512F) != 0) { 105 features.add(AMD64.CPUFeature.AVX512F); 106 } 107 if ((config.vmVersionFeatures & config.amd64AVX512DQ) != 0) { 108 features.add(AMD64.CPUFeature.AVX512DQ); 109 } 110 if ((config.vmVersionFeatures & config.amd64AVX512PF) != 0) { 111 features.add(AMD64.CPUFeature.AVX512PF); 112 } 113 if ((config.vmVersionFeatures & config.amd64AVX512ER) != 0) { 114 features.add(AMD64.CPUFeature.AVX512ER); 115 } 116 if ((config.vmVersionFeatures & config.amd64AVX512CD) != 0) { 117 features.add(AMD64.CPUFeature.AVX512CD); 118 } 119 if ((config.vmVersionFeatures & config.amd64AVX512BW) != 0) { 120 features.add(AMD64.CPUFeature.AVX512BW); 121 } 122 if ((config.vmVersionFeatures & config.amd64AVX512VL) != 0) { 123 features.add(AMD64.CPUFeature.AVX512VL); 124 } 125 if ((config.vmVersionFeatures & config.amd64SHA) != 0) { 126 features.add(AMD64.CPUFeature.SHA); 127 } 128 return features; 129 } 130 131 protected EnumSet<AMD64.Flag> computeFlags(HotSpotVMConfig config) { 132 EnumSet<AMD64.Flag> flags = EnumSet.noneOf(AMD64.Flag.class); 133 if (config.useCountLeadingZerosInstruction) { 134 flags.add(AMD64.Flag.UseCountLeadingZerosInstruction); 135 } 136 if (config.useCountTrailingZerosInstruction) { 137 flags.add(AMD64.Flag.UseCountTrailingZerosInstruction); 138 } 139 return flags; 140 } 141 142 protected TargetDescription createTarget(HotSpotVMConfig config) { 143 final int stackFrameAlignment = 16; 144 final int implicitNullCheckLimit = 4096; 145 final boolean inlineObjects = true; 146 Architecture arch = new AMD64(computeFeatures(config), computeFlags(config)); 147 return new TargetDescription(arch, true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); 148 } 149 150 protected HotSpotConstantReflectionProvider createConstantReflection(HotSpotJVMCIRuntimeProvider runtime) { 151 return new HotSpotConstantReflectionProvider(runtime); 152 } 153 154 protected RegisterConfig createRegisterConfig(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target) { 155 return new AMD64HotSpotRegisterConfig(target, runtime.getConfig()); 156 } 157 158 protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) { 159 return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig); 160 } 161 162 protected HotSpotMetaAccessProvider createMetaAccess(HotSpotJVMCIRuntimeProvider runtime) { 163 return new HotSpotMetaAccessProvider(runtime); 164 } 165 166 @Override 167 public String getArchitecture() { 168 return "AMD64"; 169 } 170 171 @Override 172 public String toString() { 173 return "JVMCIBackend:" + getArchitecture(); 174 } 175 176 @SuppressWarnings("try") 177 public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, JVMCIBackend host) { 178 179 assert host == null; 180 TargetDescription target = createTarget(runtime.getConfig()); 181 182 RegisterConfig regConfig; 183 HotSpotCodeCacheProvider codeCache; 184 ConstantReflectionProvider constantReflection; 185 HotSpotMetaAccessProvider metaAccess; 186 StackIntrospection stackIntrospection; 187 try (InitTimer t = timer("create providers")) { 188 try (InitTimer rt = timer("create MetaAccess provider")) { 189 metaAccess = createMetaAccess(runtime); 190 } 191 try (InitTimer rt = timer("create RegisterConfig")) { 192 regConfig = createRegisterConfig(runtime, target); 193 } 194 try (InitTimer rt = timer("create CodeCache provider")) { 195 codeCache = createCodeCache(runtime, target, regConfig); 196 } 197 try (InitTimer rt = timer("create ConstantReflection provider")) { 198 constantReflection = createConstantReflection(runtime); 199 } 200 try (InitTimer rt = timer("create StackIntrospection provider")) { 201 stackIntrospection = new HotSpotStackIntrospection(runtime); 202 } 203 } 204 try (InitTimer rt = timer("instantiate backend")) { 205 return createBackend(metaAccess, codeCache, constantReflection, stackIntrospection); 206 } 207 } 208 209 protected JVMCIBackend createBackend(HotSpotMetaAccessProvider metaAccess, HotSpotCodeCacheProvider codeCache, ConstantReflectionProvider constantReflection, 210 StackIntrospection stackIntrospection) { 211 return new JVMCIBackend(metaAccess, codeCache, constantReflection, stackIntrospection); 212 } 213 }