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/*
* Copyright (c) 2013, 2015, 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 compiler.intrinsics.mathexact.sanity;
import compiler.testlibrary.intrinsics.Verifier;
import compiler.whitebox.CompilerWhiteBoxTest;
import jdk.test.lib.Platform;
import java.io.FileOutputStream;
import java.lang.reflect.Executable;
import java.util.Properties;
public abstract class IntrinsicBase extends CompilerWhiteBoxTest {
protected String useMathExactIntrinsics;
protected IntrinsicBase(TestCase testCase) {
super(testCase);
useMathExactIntrinsics = getVMOption("UseMathExactIntrinsics");
}
@Override
protected void test() throws Exception {
//java.lang.Math should be loaded to allow a compilation of the methods that use Math's method
System.out.println("class java.lang.Math should be loaded. Proof: " + Math.class);
printEnvironmentInfo();
if (Platform.isInt()) {
throw new Error("TESTBUG: test can not be run in interpreter");
}
int expectedIntrinsicCount = 0;
if (Platform.isServer() && !Platform.isEmulatedClient()) {
if (TIERED_COMPILATION) {
int max_level = TIERED_STOP_AT_LEVEL;
expectedIntrinsicCount = (max_level == COMP_LEVEL_MAX) ? 1 : 0;
for (int i = COMP_LEVEL_SIMPLE; i <= max_level; ++i) {
deoptimize();
compileAtLevel(i);
}
} else {
expectedIntrinsicCount = 1;
deoptimize();
compileAtLevel(COMP_LEVEL_MAX);
}
} else {
deoptimize();
compileAtLevel(COMP_LEVEL_SIMPLE);
}
if (!isIntrinsicAvailable()) {
expectedIntrinsicCount = 0;
}
System.out.println("Expected intrinsic count is " + expectedIntrinsicCount + " name " + getIntrinsicId());
final FileOutputStream out = new FileOutputStream(getVMOption("LogFile") + Verifier.PROPERTY_FILE_SUFFIX);
Properties expectedProps = new Properties();
expectedProps.setProperty(Verifier.INTRINSIC_NAME_PROPERTY, getIntrinsicId());
expectedProps.setProperty(Verifier.INTRINSIC_EXPECTED_COUNT_PROPERTY, String.valueOf(expectedIntrinsicCount));
expectedProps.store(out, null);
out.close();
}
protected void printEnvironmentInfo() {
System.out.println("os.arch=" + Platform.getOsArch());
System.out.println("java.vm.info=" + Platform.vmInfo);
System.out.println("useMathExactIntrinsics=" + useMathExactIntrinsics);
}
protected void compileAtLevel(int level) {
WHITE_BOX.enqueueMethodForCompilation(method, level);
waitBackgroundCompilation();
checkCompilation(method, level);
}
protected void checkCompilation(Executable executable, int level) {
if (!WHITE_BOX.isMethodCompiled(executable)) {
throw new RuntimeException("Test bug, expected compilation (level): " + level + ", but not compiled");
}
final int compilationLevel = WHITE_BOX.getMethodCompilationLevel(executable);
if (compilationLevel != level) {
if (!(TIERED_COMPILATION && level == COMP_LEVEL_FULL_PROFILE && compilationLevel == COMP_LEVEL_LIMITED_PROFILE)) { //possible case
throw new RuntimeException("Test bug, expected compilation (level): " + level + ", but level: " + compilationLevel);
}
}
}
// An intrinsic is available if:
// - the intrinsic is enabled (by using the appropriate command-line flag) and
// - the intrinsic is supported by the VM (i.e., the platform on which the VM is
// running provides the instructions necessary for the VM to generate the intrinsic).
protected abstract boolean isIntrinsicAvailable();
protected abstract String getIntrinsicId();
static class IntTest extends IntrinsicBase {
protected boolean isIntrinsicAvailable; // The tested intrinsic is available on the current platform.
protected IntTest(MathIntrinsic.IntIntrinsic testCase) {
super(testCase);
// Only the C2 compiler intrinsifies exact math methods
// so check if the intrinsics are available with C2.
isIntrinsicAvailable = WHITE_BOX.isIntrinsicAvailable(testCase.getTestMethod(),
COMP_LEVEL_FULL_OPTIMIZATION);
}
@Override
protected boolean isIntrinsicAvailable() {
return isIntrinsicAvailable;
}
@Override
protected String getIntrinsicId() {
return "_" + testCase.name().toLowerCase() + "ExactI";
}
}
static class LongTest extends IntrinsicBase {
protected boolean isIntrinsicAvailable; // The tested intrinsic is available on the current platform.
protected LongTest(MathIntrinsic.LongIntrinsic testCase) {
super(testCase);
// Only the C2 compiler intrinsifies exact math methods
// so check if the intrinsics are available with C2.
isIntrinsicAvailable = WHITE_BOX.isIntrinsicAvailable(testCase.getTestMethod(),
COMP_LEVEL_FULL_OPTIMIZATION);
}
@Override
protected boolean isIntrinsicAvailable() {
return isIntrinsicAvailable;
}
@Override
protected String getIntrinsicId() {
return "_" + testCase.name().toLowerCase() + "ExactL";
}
}
}
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