Mercurial > hg > truffle
annotate test/compiler/arguments/TestUseCountTrailingZerosInstructionOnUnsupportedCPU.java @ 20923:0e5a0403729c
lifted register allocation retry under RegisterPressure to GraalCompiler.emitLIR to account for a register allocator that modifies the LIR
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 14 Apr 2015 11:58:56 +0200 |
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1 /* |
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2 * Copyright (c) 2014, 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 |
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24 /** |
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25 * @test |
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26 * @bug 8031321 |
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27 * @summary Verify processing of UseCountTrailingZerosInstruction option |
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28 * on CPU without TZCNT instuction (BMI1 feature) support. |
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29 * @library /testlibrary /testlibrary/whitebox |
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30 * @build TestUseCountTrailingZerosInstructionOnUnsupportedCPU |
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31 * BMIUnsupportedCPUTest |
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32 * @run main ClassFileInstaller sun.hotspot.WhiteBox |
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33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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34 * -XX:+WhiteBoxAPI |
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35 * TestUseCountTrailingZerosInstructionOnUnsupportedCPU |
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36 */ |
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37 |
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38 import sun.hotspot.cpuinfo.CPUInfo; |
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39 import com.oracle.java.testlibrary.*; |
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40 import com.oracle.java.testlibrary.cli.*; |
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41 |
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42 public class TestUseCountTrailingZerosInstructionOnUnsupportedCPU |
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43 extends BMIUnsupportedCPUTest { |
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44 |
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45 public TestUseCountTrailingZerosInstructionOnUnsupportedCPU() { |
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46 super("UseCountTrailingZerosInstruction", TZCNT_WARNING, "bmi1"); |
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47 } |
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48 |
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49 @Override |
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50 public void unsupportedX86CPUTestCases() throws Throwable { |
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51 |
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52 super.unsupportedX86CPUTestCases(); |
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53 |
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54 // verify that option will not be turned on during |
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55 // UseBMI1Instuctions processing |
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56 CommandLineOptionTest. |
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57 verifyOptionValue("UseCountTrailingZerosInstruction", "false", |
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58 "-XX:+UseBMI1Instructions"); |
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59 |
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60 CommandLineOptionTest. |
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61 verifyOptionValue("UseCountTrailingZerosInstruction", "false", |
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62 "-XX:+UseCountTrailingZerosInstruction", |
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63 "-XX:+UseBMI1Instructions"); |
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64 } |
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65 |
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66 public static void main(String args[]) throws Throwable { |
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67 new TestUseCountTrailingZerosInstructionOnUnsupportedCPU().test(); |
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68 } |
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69 } |
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70 |