--- /dev/null 2013-12-11 15:38:07.845401995 -0600 +++ new/graal/com.oracle.graal.compiler.hsail.test/src/com/oracle/graal/compiler/hsail/test/FloatAbsTest.java 2013-12-12 12:32:49.617342609 -0600 @@ -0,0 +1,92 @@ +/* + * 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 intrinsic for calls to Math.abs(float). Generates an abs_f32 instruction. + */ +public class FloatAbsTest extends GraalKernelTester { + + static final int num = 40; + // Output array storing the results of calling Math.abs(). + @Result protected float[] outArray = new float[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(float[] out, float[] 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(float[] in) { + for (int i = 0; i < num; i++) { + // Initialize array with positive and negative values as well as corner cases. + if (i == 1) { + in[i] = Float.NaN; + } else if (i == 2) { + in[i] = Float.NEGATIVE_INFINITY; + } else if (i == 3) { + in[i] = Float.POSITIVE_INFINITY; + } else if (i == 4) { + in[i] = -0; + } else { + in[i] = i < num / 2 ? i : -i; + } + outArray[i] = 0; + } + } + + /** + * Dispatches the HSAIL kernel for this test case. + */ + @Override + public void runTest() { + float[] inArray = new float[num]; + setupArrays(inArray); + dispatchMethodKernel(num, outArray, inArray); + } +}