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annotate graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/optimize/LongToSomethingArray01.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 97d280a879ff
children 1cde96b96673
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rev   line source
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1 /*
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2 * Copyright (c) 2011, 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
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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 * inspired by java.security.SecureRandom.longToByteArray(long).
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31 *
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32 */
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33 public class LongToSomethingArray01 extends JTTTest {
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34
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35 public static byte[] longToByteArray(long arg) {
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36 long l = arg;
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37 byte[] ret = new byte[8];
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38 for (int i = 0; i < 8; i++) {
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39 ret[i] = (byte) (l & 0xff);
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40 l = l >> 8;
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41 }
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42 return ret;
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43 }
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44
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45 @Test
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46 public void runB0() throws Throwable {
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47 runTest("longToByteArray", 0x1122_3344_5566_7788L);
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48 }
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49
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50 public static short[] longToShortArray(long arg) {
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51 long l = arg;
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52 short[] ret = new short[4];
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53 for (int i = 0; i < 4; i++) {
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54 ret[i] = (short) (l & 0xffff);
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55 l = l >> 16;
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56 }
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57 return ret;
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58 }
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59
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60 @Test
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61 public void runS0() throws Throwable {
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62 runTest("longToShortArray", 0x1122_3344_5566_7788L);
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63 }
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64
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65 public static int[] longToIntArray(long arg) {
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66 long l = arg;
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67 int[] ret = new int[2];
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68 for (int i = 0; i < 2; i++) {
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69 ret[i] = (int) (l & 0xffff_ffff);
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70 l = l >> 32;
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71 }
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72 return ret;
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73 }
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74
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75 @Test
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76 public void runI0() throws Throwable {
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77 runTest("longToIntArray", 0x1122_3344_5566_7788L);
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78 }
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79
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80 public static long[] longToLongArray(long arg) {
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81 long l = arg;
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82 long[] ret = new long[1];
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83 for (int i = 0; i < 1; i++) {
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84 ret[i] = l & 0xffff_ffff_ffff_ffffL;
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85 l = l >> 64;
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86 }
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87 return ret;
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88 }
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89
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90 @Test
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91 public void runL0() throws Throwable {
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92 runTest("longToLongArray", 0x1122_3344_5566_7788L);
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93 }
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94 }