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comparison graal/Compiler/src/com/sun/c1x/C1XCompiler.java @ 2507:9ec15d6914ca

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Pull over of compiler from maxine repository.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 11:43:22 +0200
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1 /*
2 * Copyright (c) 2009, 2011, 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.sun.c1x;
24
25 import java.util.*;
26
27 import com.sun.c1x.debug.*;
28 import com.sun.c1x.globalstub.*;
29 import com.sun.c1x.observer.*;
30 import com.sun.c1x.target.*;
31 import com.sun.cri.ci.*;
32 import com.sun.cri.ri.*;
33 import com.sun.cri.xir.*;
34
35 /**
36 * This class implements the compiler interface for C1X.
37 *
38 * @author Thomas Wuerthinger
39 * @author Ben L. Titzer
40 */
41 public class C1XCompiler extends ObservableCompiler {
42
43 public final Map<Object, GlobalStub> stubs = new HashMap<Object, GlobalStub>();
44
45 /**
46 * The target that this compiler has been configured for.
47 */
48 public final CiTarget target;
49
50 /**
51 * The runtime that this compiler has been configured for.
52 */
53 public final RiRuntime runtime;
54
55 /**
56 * The XIR generator that lowers Java operations to machine operations.
57 */
58 public final RiXirGenerator xir;
59
60 /**
61 * The ordered set of compiler extensions.
62 */
63 public List<C1XCompilerExtension> extensions;
64
65 /**
66 * The backend that this compiler has been configured for.
67 */
68 public final Backend backend;
69
70 public final RiRegisterConfig globalStubRegisterConfig;
71
72 public C1XCompiler(RiRuntime runtime, CiTarget target, RiXirGenerator xirGen, RiRegisterConfig globalStubRegisterConfig) {
73 this.runtime = runtime;
74 this.target = target;
75 this.xir = xirGen;
76 this.globalStubRegisterConfig = globalStubRegisterConfig;
77 this.backend = Backend.create(target.arch, this);
78 init();
79 }
80
81 public CiResult compileMethod(RiMethod method, int osrBCI, RiXirGenerator xirGenerator, CiStatistics stats) {
82 long startTime = 0;
83 int index = C1XMetrics.CompiledMethods++;
84 if (C1XOptions.PrintCompilation) {
85 TTY.print(String.format("C1X %4d %-70s %-45s | ", index, method.holder().name(), method.name()));
86 startTime = System.nanoTime();
87 }
88
89 CiResult result = null;
90 TTY.Filter filter = new TTY.Filter(C1XOptions.PrintFilter, method);
91 C1XCompilation compilation = new C1XCompilation(this, method, osrBCI, stats);
92 try {
93 result = compilation.compile();
94 } finally {
95 filter.remove();
96 compilation.close();
97 if (C1XOptions.PrintCompilation && !TTY.isSuppressed()) {
98 long time = (System.nanoTime() - startTime) / 100000;
99 TTY.println(String.format("%3d.%dms", time / 10, time % 10));
100 }
101 }
102
103 return result;
104 }
105
106 private void init() {
107 final List<XirTemplate> xirTemplateStubs = xir.buildTemplates(backend.newXirAssembler());
108 final GlobalStubEmitter emitter = backend.newGlobalStubEmitter();
109
110 if (xirTemplateStubs != null) {
111 for (XirTemplate template : xirTemplateStubs) {
112 TTY.Filter filter = new TTY.Filter(C1XOptions.PrintFilter, template.name);
113 try {
114 stubs.put(template, emitter.emit(template, runtime));
115 } finally {
116 filter.remove();
117 }
118 }
119 }
120
121 for (GlobalStub.Id id : GlobalStub.Id.values()) {
122 TTY.Filter suppressor = new TTY.Filter(C1XOptions.PrintFilter, id);
123 try {
124 stubs.put(id, emitter.emit(id, runtime));
125 } finally {
126 suppressor.remove();
127 }
128 }
129
130 if (C1XOptions.PrintCFGToFile) {
131 addCompilationObserver(new CFGPrinterObserver());
132 }
133 }
134
135 public GlobalStub lookupGlobalStub(GlobalStub.Id id) {
136 GlobalStub globalStub = stubs.get(id);
137 assert globalStub != null : "no stub for global stub id: " + id;
138 return globalStub;
139 }
140
141 public GlobalStub lookupGlobalStub(XirTemplate template) {
142 GlobalStub globalStub = stubs.get(template);
143 assert globalStub != null : "no stub for XirTemplate: " + template;
144 return globalStub;
145 }
146
147 public GlobalStub lookupGlobalStub(CiRuntimeCall runtimeCall) {
148 GlobalStub globalStub = stubs.get(runtimeCall);
149 if (globalStub == null) {
150 globalStub = backend.newGlobalStubEmitter().emit(runtimeCall, runtime);
151 stubs.put(runtimeCall, globalStub);
152 }
153
154 assert globalStub != null : "could not find global stub for runtime call: " + runtimeCall;
155 return globalStub;
156 }
157 }