Mercurial > hg > graal-compiler
diff graal/com.oracle.graal.compiler.hsail.test/src/com/oracle/graal/compiler/hsail/test/LongNegTest.java @ 12651:c73b857b1be9
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 |
parents | |
children | 64dcb92ee75a |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.compiler.hsail.test/src/com/oracle/graal/compiler/hsail/test/LongNegTest.java Fri Nov 01 12:06:22 2013 +0100 @@ -0,0 +1,81 @@ +/* + * 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.Test; +import com.oracle.graal.compiler.hsail.test.infra.*; + +/** + * Tests negation of long values. Generates a neg_s64 instruction. + */ +public class LongNegTest extends GraalKernelTester { + + static final int num = 20; + // Output array storing the results of negation operations. + @Result protected long[] outArray = new long[num]; + + /** + * The static "kernel" method we will be testing. This method performs a negation operation 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] = -(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) { + for (int i = 0; i < num; i++) { + 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); + } +}