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comparison graal/com.oracle.graal.compiler.hsail.test/src/com/oracle/graal/compiler/hsail/test/IntBitwiseNotTest.java @ 12651:c73b857b1be9

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Adds support to the HSAIL backend to generate code for bitwise right shift (>>), bitwise NOT (~), and arithmetic negation Contributed-by: Vasanth Venkatachalam <Vasanth.Venkatachalam@amd.com>
author Doug Simon <doug.simon@oracle.com>
date Fri, 01 Nov 2013 12:06:22 +0100
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12650:04c74433529a 12651:c73b857b1be9
1 /*
2 * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 package com.oracle.graal.compiler.hsail.test;
25
26 import org.junit.Test;
27 import com.oracle.graal.compiler.hsail.test.infra.*;
28
29 /**
30 * Tests bitwise not of an integer.
31 */
32 public class IntBitwiseNotTest extends GraalKernelTester {
33
34 static final int num = 20;
35 // Output array storing the results of the operations.
36 @Result protected int[] outArray = new int[num];
37
38 /**
39 * The static "kernel" method we will be testing. This method performs a bitwise not operation
40 * on an element of an input array and writes the result to the corresponding index of an output
41 * array. By convention the gid is the last parameter.
42 *
43 * @param out the output array
44 * @param ina the input array
45 * @param gid the parameter used to index into the input and output arrays
46 */
47 public static void run(int[] out, int[] ina, int gid) {
48 out[gid] = ~(ina[gid]);
49 }
50
51 /**
52 * Tests the HSAIL code generated for this unit test by comparing the result of executing this
53 * code with the result of executing a sequential Java version of this unit test.
54 */
55 @Test
56 public void test() {
57 super.testGeneratedHsail();
58 }
59
60 /**
61 * Initializes the input and output arrays passed to the run routine.
62 *
63 * @param in the input array
64 */
65 void setupArrays(int[] in) {
66 for (int i = 0; i < num; i++) {
67 in[i] = i < num / 2 ? i : -i;
68 outArray[i] = 0;
69 }
70 }
71
72 /**
73 * Dispatches the HSAIL kernel for this test case.
74 */
75 @Override
76 public void runTest() {
77 int[] inArray = new int[num];
78 setupArrays(inArray);
79 dispatchMethodKernel(num, outArray, inArray);
80 }
81 }