1 /* 2 * Copyright (c) 2012, 2014, 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 com.oracle.graal.hotspot.amd64; 24 25 import static com.oracle.graal.hotspot.InitTimer.*; 26 27 import java.util.*; 28 29 import com.oracle.graal.amd64.*; 30 import com.oracle.graal.api.code.*; 31 import com.oracle.graal.api.meta.*; 32 import com.oracle.graal.api.replacements.*; 33 import com.oracle.graal.api.runtime.*; 34 import com.oracle.graal.hotspot.*; 35 import com.oracle.graal.hotspot.meta.*; 36 import com.oracle.graal.nodes.spi.*; 37 import com.oracle.graal.phases.util.*; 38 39 @ServiceProvider(HotSpotBackendFactory.class) 40 public class AMD64HotSpotBackendFactory implements HotSpotBackendFactory { 41 42 protected Architecture createArchitecture(HotSpotVMConfig config) { 43 return new AMD64(computeFeatures(config)); 44 } 45 46 protected EnumSet<AMD64.CPUFeature> computeFeatures(HotSpotVMConfig config) { 47 // Configure the feature set using the HotSpot flag settings. 48 EnumSet<AMD64.CPUFeature> features = EnumSet.noneOf(AMD64.CPUFeature.class); 49 assert config.useSSE >= 2 : "minimum config for x64"; 50 features.add(AMD64.CPUFeature.SSE); 51 features.add(AMD64.CPUFeature.SSE2); 52 if ((config.x86CPUFeatures & config.cpuSSE3) != 0) { 53 features.add(AMD64.CPUFeature.SSE3); 54 } 55 if ((config.x86CPUFeatures & config.cpuSSSE3) != 0) { 56 features.add(AMD64.CPUFeature.SSSE3); 57 } 58 if ((config.x86CPUFeatures & config.cpuSSE4A) != 0) { 59 features.add(AMD64.CPUFeature.SSE4a); 60 } 61 if ((config.x86CPUFeatures & config.cpuSSE41) != 0) { 62 features.add(AMD64.CPUFeature.SSE4_1); 63 } 64 if ((config.x86CPUFeatures & config.cpuSSE42) != 0) { 65 features.add(AMD64.CPUFeature.SSE4_2); 66 } 67 if ((config.x86CPUFeatures & config.cpuAVX) != 0) { 68 features.add(AMD64.CPUFeature.AVX); 69 } 70 if ((config.x86CPUFeatures & config.cpuAVX2) != 0) { 71 features.add(AMD64.CPUFeature.AVX2); 72 } 73 if ((config.x86CPUFeatures & config.cpuERMS) != 0) { 74 features.add(AMD64.CPUFeature.ERMS); 75 } 76 if ((config.x86CPUFeatures & config.cpuLZCNT) != 0) { 77 features.add(AMD64.CPUFeature.LZCNT); 78 } 79 if ((config.x86CPUFeatures & config.cpuPOPCNT) != 0) { 80 features.add(AMD64.CPUFeature.POPCNT); 81 } 82 if ((config.x86CPUFeatures & config.cpuAES) != 0) { 83 features.add(AMD64.CPUFeature.AES); 84 } 85 if ((config.x86CPUFeatures & config.cpu3DNOWPREFETCH) != 0) { 86 features.add(AMD64.CPUFeature.AMD_3DNOW_PREFETCH); 87 } 88 if ((config.x86CPUFeatures & config.cpuBMI1) != 0) { 89 features.add(AMD64.CPUFeature.BMI1); 90 } 91 return features; 92 } 93 94 protected TargetDescription createTarget(HotSpotVMConfig config) { 95 final int stackFrameAlignment = 16; 96 final int implicitNullCheckLimit = 4096; 97 final boolean inlineObjects = true; 98 return new HotSpotTargetDescription(createArchitecture(config), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); 99 } 100 101 @Override 102 public HotSpotBackend createBackend(HotSpotGraalRuntime runtime, HotSpotBackend host) { 103 assert host == null; 104 TargetDescription target = createTarget(runtime.getConfig()); 105 106 HotSpotProviders providers; 107 HotSpotRegistersProvider registers; 108 RegisterConfig regConfig; 109 HotSpotCodeCacheProvider codeCache; 110 HotSpotConstantReflectionProvider constantReflection; 111 HotSpotHostForeignCallsProvider foreignCalls; 112 Value[] nativeABICallerSaveRegisters; 113 HotSpotMetaAccessProvider metaAccess; 114 HotSpotLoweringProvider lowerer; 115 HotSpotSnippetReflectionProvider snippetReflection; 116 Replacements replacements; 117 HotSpotDisassemblerProvider disassembler; 118 HotSpotSuitesProvider suites; 119 try (InitTimer t = timer("create providers")) { 120 try (InitTimer rt = timer("create HotSpotRegisters provider")) { 121 registers = createRegisters(); 122 } 123 try (InitTimer rt = timer("create MetaAccess provider")) { 124 metaAccess = createMetaAccess(runtime); 125 } 126 try (InitTimer rt = timer("create RegisterConfig")) { 127 regConfig = createRegisterConfig(runtime, target); 128 } 129 try (InitTimer rt = timer("create CodeCache provider")) { 130 codeCache = createCodeCache(runtime, target, regConfig); 131 } 132 try (InitTimer rt = timer("create ConstantReflection provider")) { 133 constantReflection = createConstantReflection(runtime); 134 } 135 try (InitTimer rt = timer("create NativeABICallerSaveRegisters")) { 136 nativeABICallerSaveRegisters = createNativeABICallerSaveRegisters(runtime.getConfig(), codeCache.getRegisterConfig()); 137 } 138 try (InitTimer rt = timer("create ForeignCalls provider")) { 139 foreignCalls = createForeignCalls(runtime, metaAccess, codeCache, nativeABICallerSaveRegisters); 140 } 141 try (InitTimer rt = timer("create Lowerer provider")) { 142 lowerer = createLowerer(runtime, metaAccess, foreignCalls, registers, target); 143 } 144 // Replacements cannot have speculative optimizations since they have 145 // to be valid for the entire run of the VM. 146 Assumptions assumptions = new Assumptions(false); 147 Providers p = new Providers(metaAccess, codeCache, constantReflection, foreignCalls, lowerer, null); 148 try (InitTimer rt = timer("create SnippetReflection provider")) { 149 snippetReflection = createSnippetReflection(); 150 } 151 try (InitTimer rt = timer("create Replacements provider")) { 152 replacements = createReplacements(runtime, assumptions, p, snippetReflection); 153 } 154 try (InitTimer rt = timer("create Disassembler provider")) { 155 disassembler = createDisassembler(runtime); 156 } 157 try (InitTimer rt = timer("create Suites provider")) { 158 suites = createSuites(runtime); 159 } 160 providers = new HotSpotProviders(metaAccess, codeCache, constantReflection, foreignCalls, lowerer, replacements, disassembler, suites, registers, snippetReflection); 161 } 162 try (InitTimer rt = timer("instantiate backend")) { 163 return createBackend(runtime, providers); 164 } 165 } 166 167 protected AMD64HotSpotBackend createBackend(HotSpotGraalRuntime runtime, HotSpotProviders providers) { 168 return new AMD64HotSpotBackend(runtime, providers); 169 } 170 171 protected HotSpotRegistersProvider createRegisters() { 172 return new HotSpotRegisters(AMD64.r15, AMD64.r12, AMD64.rsp); 173 } 174 175 protected HotSpotDisassemblerProvider createDisassembler(HotSpotGraalRuntime runtime) { 176 return new HotSpotDisassemblerProvider(runtime); 177 } 178 179 protected Replacements createReplacements(HotSpotGraalRuntime runtime, Assumptions assumptions, Providers p, SnippetReflectionProvider snippetReflection) { 180 return new HotSpotReplacementsImpl(p, snippetReflection, runtime.getConfig(), assumptions, p.getCodeCache().getTarget()); 181 } 182 183 protected AMD64HotSpotForeignCallsProvider createForeignCalls(HotSpotGraalRuntime runtime, HotSpotMetaAccessProvider metaAccess, HotSpotCodeCacheProvider codeCache, 184 Value[] nativeABICallerSaveRegisters) { 185 return new AMD64HotSpotForeignCallsProvider(runtime, metaAccess, codeCache, nativeABICallerSaveRegisters); 186 } 187 188 protected HotSpotConstantReflectionProvider createConstantReflection(HotSpotGraalRuntime runtime) { 189 return new HotSpotConstantReflectionProvider(runtime); 190 } 191 192 protected RegisterConfig createRegisterConfig(HotSpotGraalRuntime runtime, TargetDescription target) { 193 return new AMD64HotSpotRegisterConfig(target.arch, runtime.getConfig()); 194 } 195 196 protected HotSpotCodeCacheProvider createCodeCache(HotSpotGraalRuntime runtime, TargetDescription target, RegisterConfig regConfig) { 197 return new HotSpotCodeCacheProvider(runtime, target, regConfig); 198 } 199 200 protected HotSpotMetaAccessProvider createMetaAccess(HotSpotGraalRuntime runtime) { 201 return new HotSpotMetaAccessProvider(runtime); 202 } 203 204 protected HotSpotSuitesProvider createSuites(HotSpotGraalRuntime runtime) { 205 return new HotSpotSuitesProvider(runtime); 206 } 207 208 protected HotSpotSnippetReflectionProvider createSnippetReflection() { 209 return new HotSpotSnippetReflectionProvider(); 210 } 211 212 protected HotSpotLoweringProvider createLowerer(HotSpotGraalRuntime runtime, HotSpotMetaAccessProvider metaAccess, HotSpotForeignCallsProvider foreignCalls, HotSpotRegistersProvider registers, 213 TargetDescription target) { 214 return new AMD64HotSpotLoweringProvider(runtime, metaAccess, foreignCalls, registers, target); 215 } 216 217 protected Value[] createNativeABICallerSaveRegisters(HotSpotVMConfig config, RegisterConfig regConfig) { 218 List<Register> callerSave = new ArrayList<>(Arrays.asList(regConfig.getAllocatableRegisters())); 219 if (config.windowsOs) { 220 // http://msdn.microsoft.com/en-us/library/9z1stfyw.aspx 221 callerSave.remove(AMD64.rdi); 222 callerSave.remove(AMD64.rsi); 223 callerSave.remove(AMD64.rbx); 224 callerSave.remove(AMD64.rbp); 225 callerSave.remove(AMD64.rsp); 226 callerSave.remove(AMD64.r12); 227 callerSave.remove(AMD64.r13); 228 callerSave.remove(AMD64.r14); 229 callerSave.remove(AMD64.r15); 230 callerSave.remove(AMD64.xmm6); 231 callerSave.remove(AMD64.xmm7); 232 callerSave.remove(AMD64.xmm8); 233 callerSave.remove(AMD64.xmm9); 234 callerSave.remove(AMD64.xmm10); 235 callerSave.remove(AMD64.xmm11); 236 callerSave.remove(AMD64.xmm12); 237 callerSave.remove(AMD64.xmm13); 238 callerSave.remove(AMD64.xmm14); 239 callerSave.remove(AMD64.xmm15); 240 } else { 241 /* 242 * System V Application Binary Interface, AMD64 Architecture Processor Supplement 243 * 244 * Draft Version 0.96 245 * 246 * http://www.uclibc.org/docs/psABI-x86_64.pdf 247 * 248 * 3.2.1 249 * 250 * ... 251 * 252 * This subsection discusses usage of each register. Registers %rbp, %rbx and %r12 253 * through %r15 "belong" to the calling function and the called function is required to 254 * preserve their values. In other words, a called function must preserve these 255 * registers' values for its caller. Remaining registers "belong" to the called 256 * function. If a calling function wants to preserve such a register value across a 257 * function call, it must save the value in its local stack frame. 258 */ 259 callerSave.remove(AMD64.rbp); 260 callerSave.remove(AMD64.rbx); 261 callerSave.remove(AMD64.r12); 262 callerSave.remove(AMD64.r13); 263 callerSave.remove(AMD64.r14); 264 callerSave.remove(AMD64.r15); 265 } 266 Value[] nativeABICallerSaveRegisters = new Value[callerSave.size()]; 267 for (int i = 0; i < callerSave.size(); i++) { 268 nativeABICallerSaveRegisters[i] = callerSave.get(i).asValue(); 269 } 270 return nativeABICallerSaveRegisters; 271 } 272 273 public String getArchitecture() { 274 return "AMD64"; 275 } 276 277 public String getGraalRuntimeName() { 278 return "basic"; 279 } 280 281 @Override 282 public String toString() { 283 return getGraalRuntimeName() + ":" + getArchitecture(); 284 } 285 }