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annotate graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/optimize/Reduce_IntShift02.java @ 14991:64dcb92ee75a

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Truffle: Change signature for Truffle calls from (PackedFrame, Arguments) to (Object[]).
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sun, 06 Apr 2014 17:46:24 +0200
parents 390448a6b535
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2009, 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.graal.jtt.optimize;
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24
14991
64dcb92ee75a Truffle: Change signature for Truffle calls from (PackedFrame, Arguments) to (Object[]).
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25 import org.junit.*;
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26
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27 import com.oracle.graal.jtt.*;
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28
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29 /*
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30 * Tests optimization of integer operations.
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31 */
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32 public class Reduce_IntShift02 extends JTTTest {
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33
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34 public static int test(int arg) {
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35 if (arg == 0) {
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36 return shift0(arg + 80);
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37 }
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38 if (arg == 1) {
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39 return shift1(arg + 0x8000000a);
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40 }
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41 if (arg == 2) {
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42 return shift2(arg + 192);
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43 }
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44 if (arg == 3) {
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45 return shift3(arg + 208);
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46 }
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47 if (arg == 4) {
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48 return shift4(arg);
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49 }
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50 if (arg == 5) {
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51 return shift5(arg);
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52 }
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53 return 0;
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54 }
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55
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56 public static int shift0(int x) {
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57 return x >>> 3 << 3;
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58 }
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59
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60 public static int shift1(int x) {
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61 return x << 3 >>> 3;
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62 }
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63
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64 public static int shift2(int x) {
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65 return x >> 3 >> 1;
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66 }
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67
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68 public static int shift3(int x) {
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69 return x >>> 3 >>> 1;
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70 }
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71
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72 public static int shift4(int x) {
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73 return x << 3 << 1;
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74 }
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75
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76 public static int shift5(int x) {
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77 return x << 16 << 17;
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78 }
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79
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80 @Test
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81 public void run0() throws Throwable {
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82 runTest("test", 0);
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83 }
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84
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85 @Test
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86 public void run1() throws Throwable {
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87 runTest("test", 1);
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88 }
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89
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90 @Test
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91 public void run2() throws Throwable {
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92 runTest("test", 2);
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93 }
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94
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95 @Test
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96 public void run3() throws Throwable {
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97 runTest("test", 3);
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98 }
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99
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100 @Test
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101 public void run4() throws Throwable {
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102 runTest("test", 4);
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103 }
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104
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105 @Test
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106 public void run5() throws Throwable {
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107 runTest("test", 5);
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108 }
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110 }