Mercurial > hg > truffle
view graal/com.oracle.graal.compiler.hsail.test/src/com/oracle/graal/compiler/hsail/test/LongAbsTest.java @ 18641:e22a21b27036
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sun, 07 Dec 2014 20:43:33 +0100 |
parents | 64dcb92ee75a |
children |
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/* * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.compiler.hsail.test; import org.junit.*; import com.oracle.graal.compiler.hsail.test.infra.*; /** * Tests intrinsic for call to Math.abs(long). Generates an abs_s64 instruction. */ public class LongAbsTest extends GraalKernelTester { static final int num = 20; // Output array storing the results of the operations. @Result protected long[] outArray = new long[num]; /** * The static "kernel" method we will be testing. This method calls Math.abs( ) on an element of * an input array and writes the result to the corresponding index of an output array. By * convention the gid is the last parameter. * * @param out the output array. * @param ina the input array. * @param gid the parameter used to index into the input and output arrays. */ public static void run(long[] out, long[] ina, int gid) { out[gid] = Math.abs(ina[gid]); } /** * Tests the HSAIL code generated for this unit test by comparing the result of executing this * code with the result of executing a sequential Java version of this unit test. */ @Test public void test() { super.testGeneratedHsail(); } /** * Initializes the input and output arrays passed to the run routine. * * @param in the input array. */ void setupArrays(long[] in) { // Initialize input array with a mix of positive and negative values and any corner cases. for (int i = 0; i < num; i++) { if (i == 1) { in[i] = Long.MIN_VALUE; } else { in[i] = i < num / 2 ? i : -i; } outArray[i] = 0; } } /** * Dispatches the HSAIL kernel for this test case. */ @Override public void runTest() { long[] inArray = new long[num]; setupArrays(inArray); dispatchMethodKernel(num, outArray, inArray); } }