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Diffstat (limited to 'test/compiler/intrinsics/bmi/BMITestRunner.java')
| -rw-r--r-- | test/compiler/intrinsics/bmi/BMITestRunner.java | 442 |
1 files changed, 442 insertions, 0 deletions
diff --git a/test/compiler/intrinsics/bmi/BMITestRunner.java b/test/compiler/intrinsics/bmi/BMITestRunner.java new file mode 100644 index 000000000..ea7fd821f --- /dev/null +++ b/test/compiler/intrinsics/bmi/BMITestRunner.java @@ -0,0 +1,442 @@ +/* + * Copyright (c) 2014, 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. + * + */ + +import java.util.*; +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Paths; +import java.nio.charset.StandardCharsets; + +import com.oracle.java.testlibrary.*; + +/** + * Test runner that invokes all methods implemented by particular Expr + * with random arguments in two different JVM processes and compares output. + * JVMs being started in different modes - one in int and other in comp + * with C2 and disabled tiered compilation. + */ +public class BMITestRunner { + + enum VMMode { + COMP, INT; + }; + + public static int DEFAULT_ITERATIONS_COUNT = 4000; + + /** + * Execute all methods implemented by <b>expr</b> in int and comp modes + * and compare output. + * Test pass only of output obtained with different VM modes is equal. + * To control behaviour of test following options could be passed: + * <ul> + * <li>-iterations=<N> each operation implemented by + * <b>expr</b> will be executed <i>N</i> times. Default value + * is 4000.</li> + * <li>-seed=<SEED> arguments for <b>expr</b>'s methods + * obtained via RNG initiated with seed <i>SEED</i>. By default + * some random seed will be used.</li> + * </ul> + * + * @param expr operation that should be tested + * @param testOpts options to control test behaviour + * @param additionalVMOpts additional options for VM + * + * @throws Throwable if test failed. + */ + public static void runTests(Class<? extends Expr> expr, + String testOpts[], + String... additionalVMOpts) + throws Throwable { + + int seed = new Random().nextInt(); + int iterations = DEFAULT_ITERATIONS_COUNT; + + for (String testOption : testOpts) { + if (testOption.startsWith("-iterations=")) { + iterations = Integer.valueOf(testOption. + replace("-iterations=", "")); + } else if (testOption.startsWith("-seed=")) { + seed = Integer.valueOf(testOption.replace("-seed=", "")); + } + } + + System.out.println("Running test with seed: " + seed); + + OutputAnalyzer intOutput = runTest(expr, VMMode.INT, + additionalVMOpts, + seed, iterations); + OutputAnalyzer compOutput = runTest(expr, VMMode.COMP, + additionalVMOpts, + seed, iterations); + + dumpOutput(intOutput, "int"); + dumpOutput(compOutput, "comp"); + + Asserts.assertStringsEqual(intOutput.getStdout(), + compOutput.getStdout(), + "Results obtained in -Xint and " + + "-Xcomp should be the same."); + } + + /** + * Execute tests on methods implemented by <b>expr</b> in new VM + * started in <b>testVMMode</b> mode. + * + * @param expr operation that should be tested + * @param testVMMode VM mode for test + * @param additionalVMOpts additional options for VM + * @param seed for RNG used it tests + * @param iterations that will be used to invoke <b>expr</b>'s methods. + * + * @return OutputAnalyzer for executed test. + * @throws Throwable when something goes wrong. + */ + public static OutputAnalyzer runTest(Class<? extends Expr> expr, + VMMode testVMMode, + String additionalVMOpts[], + int seed, int iterations) + throws Throwable { + + List<String> vmOpts = new LinkedList<String>(); + + Collections.addAll(vmOpts, additionalVMOpts); + + //setup mode-specific options + switch (testVMMode) { + case INT: + Collections.addAll(vmOpts, new String[] { "-Xint" }); + break; + case COMP: + Collections.addAll(vmOpts, new String[] { + "-Xcomp", + "-XX:-TieredCompilation", + String.format("-XX:CompileCommand=compileonly,%s::*", + expr.getName()) + }); + break; + } + + Collections.addAll(vmOpts, new String[] { + "-XX:+DisplayVMOutputToStderr", + Executor.class.getName(), + expr.getName(), + new Integer(seed).toString(), + new Integer(iterations).toString() + }); + + OutputAnalyzer outputAnalyzer = ProcessTools. + executeTestJvm(vmOpts.toArray(new String[vmOpts.size()])); + + outputAnalyzer.shouldHaveExitValue(0); + + return outputAnalyzer; + } + + /** + * Dump stdout and stderr of test process to <i>prefix</i>.test.out + * and <i>prefix</i>.test.err respectively. + * + * @param outputAnalyzer OutputAnalyzer whom output should be dumped + * @param prefix Prefix that will be used in file names. + * @throws IOException if unable to dump output to file. + */ + protected static void dumpOutput(OutputAnalyzer outputAnalyzer, + String prefix) + throws IOException { + Files.write(Paths.get(prefix + ".test.out"), + outputAnalyzer.getStdout().getBytes()); + + Files.write(Paths.get(prefix + ".test.err"), + outputAnalyzer.getStderr().getBytes()); + } + + + /** + * Executor that invoke all methods implemented by particular + * Expr instance. + */ + public static class Executor { + + /** + * Usage: BMITestRunner$Executor <ExprClassName> <seed> <iterations> + */ + public static void main(String args[]) throws Exception { + @SuppressWarnings("unchecked") + Class<? extends Expr> exprClass = + (Class<? extends Expr>)Class.forName(args[0]); + Expr expr = exprClass.getConstructor().newInstance(); + Random rng = new Random(Integer.valueOf(args[1])); + int iterations = Integer.valueOf(args[2]); + runTests(expr, iterations, rng); + } + + + public static int[] getIntBitShifts() { + //SIZE+1 shift is for zero. + int data[] = new int[Integer.SIZE+1]; + for (int s = 0; s < data.length; s++) { + data[s] = 1<<s; + } + return data; + } + + public static long[] getLongBitShifts() { + //SIZE+1 shift is for zero. + long data[] = new long[Long.SIZE+1]; + for (int s = 0; s < data.length; s++) { + data[s] = 1L<<s; + } + return data; + } + + public static void log(String format, Object... args) { + System.out.println(String.format(format, args)); + } + + public static void runTests(Expr expr, int iterations, Random rng) { + runUnaryIntRegTest(expr, iterations, rng); + runUnaryIntMemTest(expr, iterations, rng); + runUnaryLongRegTest(expr, iterations, rng); + runUnaryLongMemTest(expr, iterations, rng); + runBinaryRegRegIntTest(expr, iterations, rng); + runBinaryRegMemIntTest(expr, iterations, rng); + runBinaryMemRegIntTest(expr, iterations, rng); + runBinaryMemMemIntTest(expr, iterations, rng); + runBinaryRegRegLongTest(expr, iterations, rng); + runBinaryRegMemLongTest(expr, iterations, rng); + runBinaryMemRegLongTest(expr, iterations, rng); + runBinaryMemMemLongTest(expr, iterations, rng); + } + + public static void runUnaryIntRegTest(Expr expr, int iterations, + Random rng) { + if (!(expr.isUnaryArgumentSupported() + && expr.isIntExprSupported())) { + return; + } + + for (int value : getIntBitShifts()) { + log("UnaryIntReg(0X%x) -> 0X%x", + value, expr.intExpr(value)); + } + + for (int i = 0; i < iterations; i++) { + int value = rng.nextInt(); + log("UnaryIntReg(0X%x) -> 0X%x", + value, expr.intExpr(value)); + } + } + + public static void runUnaryIntMemTest(Expr expr, int iterations, + Random rng) { + if (!(expr.isUnaryArgumentSupported() + && expr.isIntExprSupported() + && expr.isMemExprSupported())) { + return; + } + + for (int value : getIntBitShifts()) { + log("UnaryIntMem(0X%x) -> 0X%x", + value, expr.intExpr(new Expr.MemI(value))); + } + + for (int i = 0; i < iterations; i++) { + int value = rng.nextInt(); + log("UnaryIntMem(0X%x) -> 0X%x", + value, expr.intExpr(new Expr.MemI(value))); + } + } + + public static void runUnaryLongRegTest(Expr expr, int iterations, + Random rng) { + if (!(expr.isUnaryArgumentSupported() + && expr.isLongExprSupported())) { + return; + } + + for (long value : getLongBitShifts()) { + log("UnaryLongReg(0X%x) -> 0X%x", + value, expr.longExpr(value)); + } + + for (int i = 0; i < iterations; i++) { + long value = rng.nextLong(); + log("UnaryLongReg(0X%x) -> 0X%x", + value, expr.longExpr(value)); + } + } + + public static void runUnaryLongMemTest(Expr expr, int iterations, + Random rng) { + if (!(expr.isUnaryArgumentSupported() + && expr.isLongExprSupported() + && expr.isMemExprSupported())) { + return; + } + + for (long value : getLongBitShifts()) { + log("UnaryLongMem(0X%x) -> 0X%x", + value, expr.longExpr(new Expr.MemL(value))); + } + + for (int i = 0; i < iterations; i++) { + long value = rng.nextLong(); + log("UnaryLongMem(0X%x) -> 0X%x", + value, expr.longExpr(new Expr.MemL(value))); + } + } + + public static void runBinaryRegRegIntTest(Expr expr, int iterations, + Random rng) { + if (!(expr.isIntExprSupported() + && expr.isBinaryArgumentSupported())) { + return; + } + + for (int i = 0; i < iterations; i++) { + int aValue = rng.nextInt(); + int bValue = rng.nextInt(); + log("BinaryIntRegReg(0X%x, 0X%x) -> 0X%x", + aValue, bValue, expr.intExpr(aValue, bValue)); + } + } + + public static void runBinaryRegMemIntTest(Expr expr, int iterations, + Random rng) { + if (!(expr.isIntExprSupported() + && expr.isBinaryArgumentSupported() + && expr.isMemExprSupported())) { + return; + } + + for (int i = 0; i < iterations; i++) { + int aValue = rng.nextInt(); + int bValue = rng.nextInt(); + log("BinaryIntRegMem(0X%x, 0X%x) -> 0X%x", aValue, bValue, + expr.intExpr(aValue, new Expr.MemI(bValue))); + } + } + + public static void runBinaryMemRegIntTest(Expr expr, int iterations, + Random rng) { + if (!(expr.isIntExprSupported() + && expr.isBinaryArgumentSupported() + && expr.isMemExprSupported())) { + return; + } + + for (int i = 0; i < iterations; i++) { + int aValue = rng.nextInt(); + int bValue = rng.nextInt(); + log("BinaryIntMemReg(0X%x, 0X%x) -> 0X%x", aValue, bValue, + expr.intExpr(new Expr.MemI(aValue), bValue)); + } + } + + public static void runBinaryMemMemIntTest(Expr expr, int iterations, + Random rng) { + if (!(expr.isIntExprSupported() + && expr.isBinaryArgumentSupported() + && expr.isMemExprSupported())) { + return; + } + + for (int i = 0; i < iterations; i++) { + int aValue = rng.nextInt(); + int bValue = rng.nextInt(); + log("BinaryIntMemMem(0X%x, 0X%x) -> 0X%x", aValue, bValue, + expr.intExpr(new Expr.MemI(aValue), + new Expr.MemI(bValue))); + } + } + + public static void runBinaryRegRegLongTest(Expr expr, + int iterations, + Random rng) { + if (!(expr.isLongExprSupported() + && expr.isBinaryArgumentSupported())) { + return; + } + + for (int i = 0; i < iterations; i++) { + long aValue = rng.nextLong(); + long bValue = rng.nextLong(); + log("BinaryLongRegReg(0X%x, 0X%x) -> 0X%x", aValue, bValue, + expr.longExpr(aValue, bValue)); + } + } + + public static void runBinaryRegMemLongTest(Expr expr, + int iterations, + Random rng) { + if (!(expr.isLongExprSupported() + && expr.isBinaryArgumentSupported() + && expr.isMemExprSupported())) { + return; + } + + for (int i = 0; i < iterations; i++) { + long aValue = rng.nextLong(); + long bValue = rng.nextLong(); + log("BinaryLongRegMem(0X%x, 0X%x) -> 0X%x", aValue, bValue, + expr.longExpr(aValue, new Expr.MemL(bValue))); + } + } + + public static void runBinaryMemRegLongTest(Expr expr, + int iterations, + Random rng) { + if (!(expr.isLongExprSupported() + && expr.isBinaryArgumentSupported() + && expr.isMemExprSupported())) { + return; + } + + for (int i = 0; i < iterations; i++) { + long aValue = rng.nextLong(); + long bValue = rng.nextLong(); + log("BinaryLongMemReg(0X%x, 0X%x) -> 0X%x", aValue, bValue, + expr.longExpr(new Expr.MemL(aValue), bValue)); + } + } + + public static void runBinaryMemMemLongTest(Expr expr, + int iterations, + Random rng) { + if (!(expr.isLongExprSupported() + && expr.isBinaryArgumentSupported() + && expr.isMemExprSupported())) { + return; + } + + for (int i = 0; i < iterations; i++) { + long aValue = rng.nextLong(); + long bValue = rng.nextLong(); + log("BinaryLongMemMem(0X%x, 0X%x) -> 0X%x", aValue, bValue, + expr.longExpr(new Expr.MemL(aValue), + new Expr.MemL(bValue))); + } + } + } +} |