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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/Compiler.java @ 1420:44efca8a02d6

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author Lukas Stadler <lukas.stadler@oracle.com>
date Tue, 13 Jul 2010 11:47:55 -0700
parents 7bf6a77b9c5a
children 6223633ce7dd
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1 /*
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2 * Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
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3 *
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4 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product that is
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5 * described in this document. In particular, and without limitation, these intellectual property rights may include one
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6 * or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents or pending patent
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7 * applications in the U.S. and in other countries.
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8 *
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9 * U.S. Government Rights - Commercial software. Government users are subject to the Sun Microsystems, Inc. standard
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10 * license agreement and applicable provisions of the FAR and its supplements.
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11 *
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12 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or registered
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13 * trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and
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14 * are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries.
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15 *
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16 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd.
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17 */
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18 package com.sun.hotspot.c1x;
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19
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20 import com.sun.c1x.C1XCompiler;
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21 import com.sun.c1x.C1XOptions;
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22 import com.sun.c1x.target.amd64.AMD64;
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23 import com.sun.cri.ci.CiCompiler;
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24 import com.sun.cri.ci.CiTarget;
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25 import com.sun.cri.ri.RiRegisterConfig;
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26 import com.sun.cri.xir.RiXirGenerator;
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27
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28 /**
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29 *
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30 * @author Thomas Wuerthinger
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31 *
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32 * Singleton class holding the instance of the C1XCompiler.
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33 *
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34 */
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35 public class Compiler {
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36
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37 private static CiCompiler compiler;
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38
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39 public static CiCompiler getCompiler() {
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40
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41 if (compiler == null) {
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42 compiler = createCompiler();
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43 }
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44
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45 return compiler;
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46 }
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47
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48 private static CiCompiler createCompiler() {
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49
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50 final HotSpotVMConfig config = VMEntries.getConfiguration();
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51 final HotSpotRuntime runtime = new HotSpotRuntime(config);
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52 final RiXirGenerator generator = new HotSpotXirGenerator(config);
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53 final int wordSize = 8;
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54 final int stackFrameAlignment = 8;
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55 final int pageSize = 1024;
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56 final RiRegisterConfig registerConfig = new HotSpotRegisterConfig(config);
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57 final CiTarget target = new CiTarget(new AMD64(), registerConfig, true, wordSize, wordSize, wordSize, stackFrameAlignment, pageSize, wordSize, wordSize, 16);
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58 final CiCompiler compiler = new C1XCompiler(runtime, target, generator);
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59
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60 C1XOptions.setOptimizationLevel(3);
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61 C1XOptions.TraceBytecodeParserLevel = 4;
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62 C1XOptions.PrintCFGToFile = false;
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63 C1XOptions.PrintAssembly = false;// true;
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64 C1XOptions.PrintCompilation = true;
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65 return compiler;
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66
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67 }
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68 }