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 }