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.meta.ConstantReflectionProvider;
42 import jdk.vm.ci.runtime.JVMCIBackend;
43
44 public class AMD64HotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory {
45
46 protected EnumSet<AMD64.CPUFeature> computeFeatures(AMD64HotSpotVMConfig config) {
47 // Configure the feature set using the HotSpot flag settings.
48 EnumSet<AMD64.CPUFeature> features = EnumSet.noneOf(AMD64.CPUFeature.class);
49 if ((config.vmVersionFeatures & config.amd643DNOWPREFETCH) != 0) {
50 features.add(AMD64.CPUFeature.AMD_3DNOW_PREFETCH);
51 }
52 assert config.useSSE >= 2 : "minimum config for x64";
53 features.add(AMD64.CPUFeature.SSE);
54 features.add(AMD64.CPUFeature.SSE2);
55 if ((config.vmVersionFeatures & config.amd64SSE3) != 0) {
56 features.add(AMD64.CPUFeature.SSE3);
57 }
58 if ((config.vmVersionFeatures & config.amd64SSSE3) != 0) {
59 features.add(AMD64.CPUFeature.SSSE3);
60 }
61 if ((config.vmVersionFeatures & config.amd64SSE4A) != 0) {
62 features.add(AMD64.CPUFeature.SSE4A);
63 }
64 if ((config.vmVersionFeatures & config.amd64SSE41) != 0) {
65 features.add(AMD64.CPUFeature.SSE4_1);
66 }
67 if ((config.vmVersionFeatures & config.amd64SSE42) != 0) {
68 features.add(AMD64.CPUFeature.SSE4_2);
69 }
70 if ((config.vmVersionFeatures & config.amd64POPCNT) != 0) {
71 features.add(AMD64.CPUFeature.POPCNT);
72 }
73 if ((config.vmVersionFeatures & config.amd64LZCNT) != 0) {
74 features.add(AMD64.CPUFeature.LZCNT);
75 }
76 if ((config.vmVersionFeatures & config.amd64ERMS) != 0) {
77 features.add(AMD64.CPUFeature.ERMS);
78 }
79 if ((config.vmVersionFeatures & config.amd64AVX) != 0) {
80 features.add(AMD64.CPUFeature.AVX);
81 }
82 if ((config.vmVersionFeatures & config.amd64AVX2) != 0) {
83 features.add(AMD64.CPUFeature.AVX2);
84 }
85 if ((config.vmVersionFeatures & config.amd64AES) != 0) {
86 features.add(AMD64.CPUFeature.AES);
87 }
88 if ((config.vmVersionFeatures & config.amd643DNOWPREFETCH) != 0) {
89 features.add(AMD64.CPUFeature.AMD_3DNOW_PREFETCH);
90 }
91 if ((config.vmVersionFeatures & config.amd64BMI1) != 0) {
92 features.add(AMD64.CPUFeature.BMI1);
93 }
94 if ((config.vmVersionFeatures & config.amd64BMI2) != 0) {
95 features.add(AMD64.CPUFeature.BMI2);
96 }
97 if ((config.vmVersionFeatures & config.amd64RTM) != 0) {
98 features.add(AMD64.CPUFeature.RTM);
99 }
100 if ((config.vmVersionFeatures & config.amd64ADX) != 0) {
101 features.add(AMD64.CPUFeature.ADX);
102 }
103 if ((config.vmVersionFeatures & config.amd64AVX512F) != 0) {
104 features.add(AMD64.CPUFeature.AVX512F);
105 }
106 if ((config.vmVersionFeatures & config.amd64AVX512DQ) != 0) {
107 features.add(AMD64.CPUFeature.AVX512DQ);
108 }
109 if ((config.vmVersionFeatures & config.amd64AVX512PF) != 0) {
110 features.add(AMD64.CPUFeature.AVX512PF);
111 }
112 if ((config.vmVersionFeatures & config.amd64AVX512ER) != 0) {
113 features.add(AMD64.CPUFeature.AVX512ER);
114 }
115 if ((config.vmVersionFeatures & config.amd64AVX512CD) != 0) {
116 features.add(AMD64.CPUFeature.AVX512CD);
117 }
118 if ((config.vmVersionFeatures & config.amd64AVX512BW) != 0) {
119 features.add(AMD64.CPUFeature.AVX512BW);
120 }
121 if ((config.vmVersionFeatures & config.amd64AVX512VL) != 0) {
122 features.add(AMD64.CPUFeature.AVX512VL);
123 }
124 if ((config.vmVersionFeatures & config.amd64SHA) != 0) {
125 features.add(AMD64.CPUFeature.SHA);
126 }
127 return features;
128 }
129
130 protected EnumSet<AMD64.Flag> computeFlags(AMD64HotSpotVMConfig config) {
131 EnumSet<AMD64.Flag> flags = EnumSet.noneOf(AMD64.Flag.class);
132 if (config.useCountLeadingZerosInstruction) {
133 flags.add(AMD64.Flag.UseCountLeadingZerosInstruction);
134 }
135 if (config.useCountTrailingZerosInstruction) {
136 flags.add(AMD64.Flag.UseCountTrailingZerosInstruction);
137 }
138 return flags;
139 }
140
141 protected TargetDescription createTarget(AMD64HotSpotVMConfig config) {
142 final int stackFrameAlignment = 16;
143 final int implicitNullCheckLimit = 4096;
144 final boolean inlineObjects = true;
145 Architecture arch = new AMD64(computeFeatures(config), computeFlags(config));
146 return new TargetDescription(arch, true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects);
147 }
148
149 protected HotSpotConstantReflectionProvider createConstantReflection(HotSpotJVMCIRuntimeProvider runtime) {
150 return new HotSpotConstantReflectionProvider(runtime);
151 }
152
153 protected RegisterConfig createRegisterConfig(AMD64HotSpotVMConfig config, TargetDescription target) {
154 return new AMD64HotSpotRegisterConfig(target, config.useCompressedOops, config.windowsOs);
155 }
156
157 protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) {
158 return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig);
159 }
160
161 protected HotSpotMetaAccessProvider createMetaAccess(HotSpotJVMCIRuntimeProvider runtime) {
162 return new HotSpotMetaAccessProvider(runtime);
163 }
164
165 @Override
166 public String getArchitecture() {
167 return "AMD64";
168 }
169
170 @Override
171 public String toString() {
172 return "JVMCIBackend:" + getArchitecture();
173 }
174
175 @SuppressWarnings("try")
176 public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, JVMCIBackend host) {
177 assert host == null;
178 AMD64HotSpotVMConfig config = new AMD64HotSpotVMConfig(runtime.getConfigStore());
179 TargetDescription target = createTarget(config);
180
181 RegisterConfig regConfig;
182 HotSpotCodeCacheProvider codeCache;
183 ConstantReflectionProvider constantReflection;
184 HotSpotMetaAccessProvider metaAccess;
185 StackIntrospection stackIntrospection;
186 try (InitTimer t = timer("create providers")) {
187 try (InitTimer rt = timer("create MetaAccess provider")) {
188 metaAccess = createMetaAccess(runtime);
189 }
190 try (InitTimer rt = timer("create RegisterConfig")) {
191 regConfig = createRegisterConfig(config, target);
192 }
193 try (InitTimer rt = timer("create CodeCache provider")) {
194 codeCache = createCodeCache(runtime, target, regConfig);
195 }
196 try (InitTimer rt = timer("create ConstantReflection provider")) {
197 constantReflection = createConstantReflection(runtime);
198 }
199 try (InitTimer rt = timer("create StackIntrospection provider")) {
200 stackIntrospection = new HotSpotStackIntrospection(runtime);
201 }
202 }
203 try (InitTimer rt = timer("instantiate backend")) {
204 return createBackend(metaAccess, codeCache, constantReflection, stackIntrospection);
205 }
206 }
207
208 protected JVMCIBackend createBackend(HotSpotMetaAccessProvider metaAccess, HotSpotCodeCacheProvider codeCache, ConstantReflectionProvider constantReflection,
209 StackIntrospection stackIntrospection) {
210 return new JVMCIBackend(metaAccess, codeCache, constantReflection, stackIntrospection);
211 }
212 }