| 1 | /*
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| 2 | * Copyright (c) 2009, 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 |
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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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