1 /*
2 * Copyright (c) 2012, 2015, 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.inittimer.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.hotspot.HotSpotCodeCacheProvider;
35 import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
36 import jdk.vm.ci.hotspot.HotSpotJVMCIBackendFactory;
37 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider;
38 import jdk.vm.ci.hotspot.HotSpotMetaAccessProvider;
39 import jdk.vm.ci.hotspot.HotSpotStackIntrospection;
40 import jdk.vm.ci.hotspot.HotSpotVMConfig;
41 import jdk.vm.ci.inittimer.InitTimer;
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.arch, 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, StackIntrospection stackIntrospection) {
210 return new JVMCIBackend(metaAccess, codeCache, constantReflection, stackIntrospection);
211 }
212 }