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1 /*
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2 * Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 */
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23
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24 /**
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25 * @test
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26 * @bug 6814842
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27 * @summary Load shortening optimizations
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28 *
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29 * @run main/othervm -Xcomp -XX:CompileOnly=Test6814842.loadS2B,Test6814842.loadS2Bmask255,Test6814842.loadUS2B,Test6814842.loadUS2Bmask255,Test6814842.loadI2B,Test6814842.loadI2Bmask255,Test6814842.loadI2S,Test6814842.loadI2Smask255,Test6814842.loadI2Smask65535,Test6814842.loadI2US,Test6814842.loadI2USmask255,Test6814842.loadI2USmask65535 Test6814842
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30 */
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31
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32 public class Test6814842 {
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33 static final short[] sa = new short[] { (short) 0xF1F2 };
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34 static final char[] ca = new char[] { (char) 0xF3F4 };
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35 static final int[] ia = new int[] { 0xF1F2F3F4 };
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36
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37 public static void main(String[] args)
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38 {
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39 byte s2b = loadS2B(sa);
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40 if (s2b != (byte) 0xF2)
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41 throw new InternalError("loadS2B failed: " + s2b + " != " + (byte) 0xF2);
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42
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43 byte s2bmask255 = loadS2Bmask255(sa);
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44 if (s2bmask255 != (byte) 0xF2)
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45 throw new InternalError("loadS2Bmask255 failed: " + s2bmask255 + " != " + (byte) 0xF2);
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46
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47 byte us2b = loadUS2B(ca);
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48 if (us2b != (byte) 0xF4)
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49 throw new InternalError("loadUS2B failed: " + us2b + " != " + (byte) 0xF4);
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50
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51 byte us2bmask255 = loadUS2Bmask255(ca);
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52 if (us2bmask255 != (byte) 0xF4)
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53 throw new InternalError("loadUS2Bmask255 failed: " + us2bmask255 + " != " + (byte) 0xF4);
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54
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55 byte i2b = loadI2B(ia);
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56 if (i2b != (byte) 0xF4)
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57 throw new InternalError("loadI2B failed: " + i2b + " != " + (byte) 0xF4);
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58
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59 byte i2bmask255 = loadI2Bmask255(ia);
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60 if (i2bmask255 != (byte) 0xF4)
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61 throw new InternalError("loadI2Bmask255 failed: " + i2bmask255 + " != " + (byte) 0xF4);
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62
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63 short i2s = loadI2S(ia);
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64 if (i2s != (short) 0xF3F4)
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65 throw new InternalError("loadI2S failed: " + i2s + " != " + (short) 0xF3F4);
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66
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67 short i2smask255 = loadI2Smask255(ia);
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68 if (i2smask255 != (short) 0xF4)
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69 throw new InternalError("loadI2Smask255 failed: " + i2smask255 + " != " + (short) 0xF4);
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70
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71 short i2smask65535 = loadI2Smask65535(ia);
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72 if (i2smask65535 != (short) 0xF3F4)
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73 throw new InternalError("loadI2Smask65535 failed: " + i2smask65535 + " != " + (short) 0xF3F4);
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74
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75 char i2us = loadI2US(ia);
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76 if (i2us != (char) 0xF3F4)
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77 throw new InternalError("loadI2US failed: " + (int) i2us + " != " + (char) 0xF3F4);
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78
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79 char i2usmask255 = loadI2USmask255(ia);
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80 if (i2usmask255 != (char) 0xF4)
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81 throw new InternalError("loadI2USmask255 failed: " + (int) i2usmask255 + " != " + (char) 0xF4);
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82
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83 char i2usmask65535 = loadI2USmask65535(ia);
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84 if (i2usmask65535 != (char) 0xF3F4)
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85 throw new InternalError("loadI2USmask65535 failed: " + (int) i2usmask65535 + " != " + (char) 0xF3F4);
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86 }
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87
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88 static byte loadS2B (short[] sa) { return (byte) (sa[0] ); }
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89 static byte loadS2Bmask255 (short[] sa) { return (byte) (sa[0] & 0xFF ); }
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90
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91 static byte loadUS2B (char[] ca) { return (byte) (ca[0] ); }
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92 static byte loadUS2Bmask255 (char[] ca) { return (byte) (ca[0] & 0xFF ); }
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93
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94 static byte loadI2B (int[] ia) { return (byte) (ia[0] ); }
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95 static byte loadI2Bmask255 (int[] ia) { return (byte) (ia[0] & 0xFF ); }
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96
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97 static short loadI2S (int[] ia) { return (short) (ia[0] ); }
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98 static short loadI2Smask255 (int[] ia) { return (short) (ia[0] & 0xFF ); }
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99 static short loadI2Smask65535 (int[] ia) { return (short) (ia[0] & 0xFFFF); }
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100
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101 static char loadI2US (int[] ia) { return (char) (ia[0] ); }
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102 static char loadI2USmask255 (int[] ia) { return (char) (ia[0] & 0xFF ); }
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103 static char loadI2USmask65535(int[] ia) { return (char) (ia[0] & 0xFFFF); }
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104 }
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