Mercurial > hg > truffle
annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/xir/XirSnippet.java @ 4266:e2499e6d8aa7
Merge
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Wed, 11 Jan 2012 16:31:46 +0100 |
parents | 1aaf3592e516 |
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1 /* |
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2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.max.cri.xir; |
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24 |
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25 import java.util.*; |
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26 |
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27 import com.oracle.max.cri.ci.*; |
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28 import com.oracle.max.cri.ci.CiTargetMethod.*; |
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29 import com.oracle.max.cri.xir.CiXirAssembler.*; |
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30 |
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31 /** |
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32 * Represents a {@link XirTemplate template of XIR} along with the {@link XirArgument arguments} to be passed to the |
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33 * template. The runtime generates such snippets for each bytecode being compiled at the request of the compiler, and |
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34 * the compiler can generate machine code for the XIR snippet. |
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35 */ |
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36 public class XirSnippet { |
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37 |
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38 public final XirArgument[] arguments; |
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39 public final XirTemplate template; |
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40 public final Map<XirMark, Mark> marks; |
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41 |
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42 public XirSnippet(XirTemplate template, XirArgument... inputs) { |
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43 assert template != null; |
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44 this.template = template; |
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45 this.arguments = inputs; |
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46 this.marks = (template.marks != null && template.marks.length > 0) ? new HashMap<XirMark, Mark>() : null; |
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47 assert assertArgumentsCorrect(); |
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48 } |
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49 |
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50 private boolean assertArgumentsCorrect() { |
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51 int argLength = arguments == null ? 0 : arguments.length; |
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52 int paramLength = template.parameters == null ? 0 : template.parameters.length; |
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53 assert argLength == paramLength : "expected param count: " + paramLength + ", actual: " + argLength; |
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54 for (int i = 0; i < arguments.length; i++) { |
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55 assert assertArgumentCorrect(template.parameters[i], arguments[i]) : "mismatch in parameter " + i + ": " + arguments[i] + " instead of " + template.parameters[i]; |
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56 } |
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57 return true; |
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58 } |
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59 |
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60 private static boolean assertArgumentCorrect(XirParameter param, XirArgument arg) { |
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61 if (param.kind == CiKind.Illegal || param.kind == CiKind.Void) { |
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62 if (arg != null) { |
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63 return false; |
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64 } |
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65 } else { |
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66 if (arg == null) { |
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67 return false; |
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68 } |
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69 if (arg.constant != null) { |
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70 if (arg.constant.kind != param.kind) { |
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71 return false; |
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72 } |
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73 } |
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74 } |
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75 return true; |
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76 } |
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77 |
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78 @Override |
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79 public String toString() { |
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80 |
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81 StringBuffer sb = new StringBuffer(); |
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82 |
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83 sb.append(template.toString()); |
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84 sb.append("("); |
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85 for (XirArgument a : arguments) { |
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86 sb.append(" "); |
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87 sb.append(a); |
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88 } |
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89 |
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90 sb.append(" )"); |
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91 |
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92 return sb.toString(); |
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93 } |
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94 } |