Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/nodes/NodeUtilTest.java @ 18415:6dc4f0be9a70
Add support of lzcnt and tzcnt
- support of lzcnt and tzcnt instructions,
- unit tests for lzcnt/tzcnt,
- ability to emit bsf/bsr in case lzcnt/tzcnt were turned off from the command line,
- tightening the stamps produced by ScanBitForward/ReverseNode nodes.
Contributed-By: Igor Veresov <igor.veresov@oracle.com>
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Wed, 19 Nov 2014 13:32:05 +0100 |
parents | 5787218bad91 |
children | e3c95cbbb50c |
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1 /* |
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2 * Copyright (c) 2012, 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.truffle.api.test.nodes; |
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24 |
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25 import java.util.*; |
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26 |
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27 import org.junit.*; |
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28 import static org.junit.Assert.*; |
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29 import static org.hamcrest.CoreMatchers.*; |
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30 |
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31 import com.oracle.truffle.api.frame.*; |
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32 import com.oracle.truffle.api.nodes.*; |
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33 |
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34 public class NodeUtilTest { |
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35 |
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36 @Test |
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37 public void testRecursiveIterator1() { |
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38 TestRootNode root = new TestRootNode(); |
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39 root.child0 = new TestNode(); |
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40 root.adoptChildren(); |
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41 |
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42 int count = iterate(NodeUtil.makeRecursiveIterator(root)); |
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43 |
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44 assertThat(count, is(2)); |
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45 assertThat(root.visited, is(0)); |
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46 assertThat(root.child0.visited, is(1)); |
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47 } |
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48 |
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49 private static int iterate(Iterator<Node> iterator) { |
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50 int iterationCount = 0; |
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51 while (iterator.hasNext()) { |
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52 Node node = iterator.next(); |
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53 if (node == null) { |
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54 continue; |
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55 } |
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56 if (node instanceof TestNode) { |
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57 ((TestNode) node).visited = iterationCount; |
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58 } else if (node instanceof TestRootNode) { |
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59 ((TestRootNode) node).visited = iterationCount; |
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60 } else { |
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61 throw new AssertionError(); |
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62 } |
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63 iterationCount++; |
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64 } |
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65 return iterationCount; |
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66 } |
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67 |
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68 private static class TestNode extends Node { |
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69 |
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70 @Child TestNode child0; |
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71 @Child TestNode child1; |
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72 |
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73 private int visited; |
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74 |
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75 public TestNode() { |
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76 } |
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77 |
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78 } |
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79 |
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80 private static class TestRootNode extends RootNode { |
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81 |
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82 @Child TestNode child0; |
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83 |
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84 private int visited; |
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85 |
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86 @Override |
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87 public Object execute(VirtualFrame frame) { |
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88 return null; |
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89 } |
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90 |
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91 } |
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92 |
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93 } |