1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/compiler/intrinsics/bmi/verifycode/BmiIntrinsicBase.java Fri Apr 11 00:34:51 2014 +0400
1.3 @@ -0,0 +1,186 @@
1.4 +/*
1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +import com.oracle.java.testlibrary.Asserts;
1.29 +import com.oracle.java.testlibrary.Platform;
1.30 +import com.oracle.java.testlibrary.Utils;
1.31 +import sun.hotspot.code.NMethod;
1.32 +import sun.hotspot.cpuinfo.CPUInfo;
1.33 +
1.34 +import java.lang.reflect.Executable;
1.35 +import java.lang.reflect.Method;
1.36 +import java.util.concurrent.Callable;
1.37 +import java.util.function.Function;
1.38 +
1.39 +public class BmiIntrinsicBase extends CompilerWhiteBoxTest {
1.40 +
1.41 + protected BmiIntrinsicBase(BmiTestCase testCase) {
1.42 + super(testCase);
1.43 + }
1.44 +
1.45 + public static void verifyTestCase(Function<Method, BmiTestCase> constructor, Method... methods) throws Exception {
1.46 + for (Method method : methods) {
1.47 + new BmiIntrinsicBase(constructor.apply(method)).test();
1.48 + }
1.49 + }
1.50 +
1.51 + @Override
1.52 + protected void test() throws Exception {
1.53 + BmiTestCase bmiTestCase = (BmiTestCase) testCase;
1.54 +
1.55 + if (!(Platform.isX86() || Platform.isX64())) {
1.56 + System.out.println("Unsupported platform, test SKIPPED");
1.57 + return;
1.58 + }
1.59 +
1.60 + if (!Platform.isServer()) {
1.61 + System.out.println("Not server VM, test SKIPPED");
1.62 + return;
1.63 + }
1.64 +
1.65 + if (!CPUInfo.hasFeature(bmiTestCase.getCpuFlag())) {
1.66 + System.out.println("Unsupported hardware, no required CPU flag " + bmiTestCase.getCpuFlag() + " , test SKIPPED");
1.67 + return;
1.68 + }
1.69 +
1.70 + if (!Boolean.valueOf(getVMOption(bmiTestCase.getVMFlag()))) {
1.71 + System.out.println("VM flag " + bmiTestCase.getVMFlag() + " disabled, test SKIPPED");
1.72 + return;
1.73 + }
1.74 +
1.75 + System.out.println(testCase.name());
1.76 +
1.77 + switch (MODE) {
1.78 + case "compiled mode":
1.79 + case "mixed mode":
1.80 + if (TIERED_COMPILATION && TIERED_STOP_AT_LEVEL != CompilerWhiteBoxTest.COMP_LEVEL_MAX) {
1.81 + System.out.println("TieredStopAtLevel value (" + TIERED_STOP_AT_LEVEL + ") is too low, test SKIPPED");
1.82 + return;
1.83 + }
1.84 + deoptimize();
1.85 + compileAtLevelAndCheck(CompilerWhiteBoxTest.COMP_LEVEL_MAX);
1.86 + break;
1.87 + case "interpreted mode": // test is not applicable in this mode;
1.88 + System.err.println("Warning: This test is not applicable in mode: " + MODE);
1.89 + break;
1.90 + default:
1.91 + throw new AssertionError("Test bug, unknown VM mode: " + MODE);
1.92 + }
1.93 + }
1.94 +
1.95 + protected void compileAtLevelAndCheck(int level) {
1.96 + WHITE_BOX.enqueueMethodForCompilation(method, level);
1.97 + waitBackgroundCompilation();
1.98 + checkCompilation(method, level);
1.99 + checkEmittedCode(method);
1.100 + }
1.101 +
1.102 + protected void checkCompilation(Executable executable, int level) {
1.103 + if (!WHITE_BOX.isMethodCompiled(executable)) {
1.104 + throw new AssertionError("Test bug, expected compilation (level): " + level + ", but not compiled" + WHITE_BOX.isMethodCompilable(executable, level));
1.105 + }
1.106 + final int compilationLevel = WHITE_BOX.getMethodCompilationLevel(executable);
1.107 + if (compilationLevel != level) {
1.108 + throw new AssertionError("Test bug, expected compilation (level): " + level + ", but level: " + compilationLevel);
1.109 + }
1.110 + }
1.111 +
1.112 + protected void checkEmittedCode(Executable executable) {
1.113 + final byte[] nativeCode = NMethod.get(executable, false).insts;
1.114 + if (!((BmiTestCase) testCase).verifyPositive(nativeCode)) {
1.115 + throw new AssertionError(testCase.name() + "CPU instructions expected not found: " + Utils.toHexString(nativeCode));
1.116 + } else {
1.117 + System.out.println("CPU instructions found, PASSED");
1.118 + }
1.119 + }
1.120 +
1.121 + abstract static class BmiTestCase implements CompilerWhiteBoxTest.TestCase {
1.122 + private final Method method;
1.123 + protected byte[] instrMask;
1.124 + protected byte[] instrPattern;
1.125 + protected boolean isLongOperation;
1.126 +
1.127 + public BmiTestCase(Method method) {
1.128 + this.method = method;
1.129 + }
1.130 +
1.131 + @Override
1.132 + public String name() {
1.133 + return method.toGenericString();
1.134 + }
1.135 +
1.136 + @Override
1.137 + public Executable getExecutable() {
1.138 + return method;
1.139 + }
1.140 +
1.141 + @Override
1.142 + public Callable<Integer> getCallable() {
1.143 + return null;
1.144 + }
1.145 +
1.146 + @Override
1.147 + public boolean isOsr() {
1.148 + return false;
1.149 + }
1.150 +
1.151 + protected int countCpuInstructions(byte[] nativeCode) {
1.152 + int count = 0;
1.153 + int patternSize = Math.min(instrMask.length, instrPattern.length);
1.154 + boolean found;
1.155 + Asserts.assertGreaterThan(patternSize, 0);
1.156 + for (int i = 0, n = nativeCode.length - patternSize; i < n; i++) {
1.157 + found = true;
1.158 + for (int j = 0; j < patternSize; j++) {
1.159 + if ((nativeCode[i + j] & instrMask[j]) != instrPattern[j]) {
1.160 + found = false;
1.161 + break;
1.162 + }
1.163 + }
1.164 + if (found) {
1.165 + ++count;
1.166 + i += patternSize - 1;
1.167 + }
1.168 + }
1.169 + return count;
1.170 + }
1.171 +
1.172 + public boolean verifyPositive(byte[] nativeCode) {
1.173 + final int cnt = countCpuInstructions(nativeCode);
1.174 + if (Platform.isX86()) {
1.175 + return cnt >= (isLongOperation ? 2 : 1);
1.176 + } else {
1.177 + return Platform.isX64() && cnt >= 1;
1.178 + }
1.179 + }
1.180 +
1.181 + protected String getCpuFlag() {
1.182 + return "bmi1";
1.183 + }
1.184 +
1.185 + protected String getVMFlag() {
1.186 + return "UseBMI1Instructions";
1.187 + }
1.188 + }
1.189 +}
