jdk-24/hotspot/test/compiler/unsafe/UnsafeGetStableArrayElement.java
Igor Ignatyev e19479825a 8151280: update hotspot tests to use vm.compMode instead of their own logic
Update hs compiler tests to use vm.compMode instead of their own logic and to get VM mode using j.t.l.Platform

Reviewed-by: kvn, dpochepk
2016-07-13 18:03:15 +03:00

342 lines
18 KiB
Java

/*
* Copyright (c) 2016, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.
*/
/*
* @test
* @summary tests on constant folding of unsafe get operations from stable arrays
* @library /testlibrary
*
* @requires vm.flavor == "server"
*
* @modules java.base/jdk.internal.vm.annotation
* java.base/jdk.internal.misc
* @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions
* -Xbatch -XX:-TieredCompilation
* -XX:+FoldStableValues
* -XX:CompileCommand=dontinline,*Test::test*
* compiler.unsafe.UnsafeGetStableArrayElement
*/
package compiler.unsafe;
import jdk.internal.misc.Unsafe;
import jdk.internal.vm.annotation.Stable;
import jdk.test.lib.Platform;
import java.util.concurrent.Callable;
import static jdk.internal.misc.Unsafe.*;
import static jdk.test.lib.Asserts.assertEQ;
import static jdk.test.lib.Asserts.assertNE;
public class UnsafeGetStableArrayElement {
@Stable static final boolean[] STABLE_BOOLEAN_ARRAY = new boolean[16];
@Stable static final byte[] STABLE_BYTE_ARRAY = new byte[16];
@Stable static final short[] STABLE_SHORT_ARRAY = new short[8];
@Stable static final char[] STABLE_CHAR_ARRAY = new char[8];
@Stable static final int[] STABLE_INT_ARRAY = new int[4];
@Stable static final long[] STABLE_LONG_ARRAY = new long[2];
@Stable static final float[] STABLE_FLOAT_ARRAY = new float[4];
@Stable static final double[] STABLE_DOUBLE_ARRAY = new double[2];
@Stable static final Object[] STABLE_OBJECT_ARRAY = new Object[4];
static {
Setter.reset();
}
static final Unsafe U = Unsafe.getUnsafe();
static class Setter {
private static void setZ(boolean defaultVal) { STABLE_BOOLEAN_ARRAY[0] = defaultVal ? false : true; }
private static void setB(boolean defaultVal) { STABLE_BYTE_ARRAY[0] = defaultVal ? 0 : Byte.MAX_VALUE; }
private static void setS(boolean defaultVal) { STABLE_SHORT_ARRAY[0] = defaultVal ? 0 : Short.MAX_VALUE; }
private static void setC(boolean defaultVal) { STABLE_CHAR_ARRAY[0] = defaultVal ? 0 : Character.MAX_VALUE; }
private static void setI(boolean defaultVal) { STABLE_INT_ARRAY[0] = defaultVal ? 0 : Integer.MAX_VALUE; }
private static void setJ(boolean defaultVal) { STABLE_LONG_ARRAY[0] = defaultVal ? 0 : Long.MAX_VALUE; }
private static void setF(boolean defaultVal) { STABLE_FLOAT_ARRAY[0] = defaultVal ? 0 : Float.MAX_VALUE; }
private static void setD(boolean defaultVal) { STABLE_DOUBLE_ARRAY[0] = defaultVal ? 0 : Double.MAX_VALUE; }
private static void setL(boolean defaultVal) { STABLE_OBJECT_ARRAY[0] = defaultVal ? null : new Object(); }
static void reset() {
setZ(false);
setB(false);
setS(false);
setC(false);
setI(false);
setJ(false);
setF(false);
setD(false);
setL(false);
}
}
static class Test {
static void changeZ() { Setter.setZ(true); }
static void changeB() { Setter.setB(true); }
static void changeS() { Setter.setS(true); }
static void changeC() { Setter.setC(true); }
static void changeI() { Setter.setI(true); }
static void changeJ() { Setter.setJ(true); }
static void changeF() { Setter.setF(true); }
static void changeD() { Setter.setD(true); }
static void changeL() { Setter.setL(true); }
static boolean testZ_Z() { return U.getBoolean(STABLE_BOOLEAN_ARRAY, ARRAY_BOOLEAN_BASE_OFFSET); }
static byte testZ_B() { return U.getByte( STABLE_BOOLEAN_ARRAY, ARRAY_BOOLEAN_BASE_OFFSET); }
static short testZ_S() { return U.getShort( STABLE_BOOLEAN_ARRAY, ARRAY_BOOLEAN_BASE_OFFSET); }
static char testZ_C() { return U.getChar( STABLE_BOOLEAN_ARRAY, ARRAY_BOOLEAN_BASE_OFFSET); }
static int testZ_I() { return U.getInt( STABLE_BOOLEAN_ARRAY, ARRAY_BOOLEAN_BASE_OFFSET); }
static long testZ_J() { return U.getLong( STABLE_BOOLEAN_ARRAY, ARRAY_BOOLEAN_BASE_OFFSET); }
static float testZ_F() { return U.getFloat( STABLE_BOOLEAN_ARRAY, ARRAY_BOOLEAN_BASE_OFFSET); }
static double testZ_D() { return U.getDouble( STABLE_BOOLEAN_ARRAY, ARRAY_BOOLEAN_BASE_OFFSET); }
static boolean testB_Z() { return U.getBoolean(STABLE_BYTE_ARRAY, ARRAY_BYTE_BASE_OFFSET); }
static byte testB_B() { return U.getByte( STABLE_BYTE_ARRAY, ARRAY_BYTE_BASE_OFFSET); }
static short testB_S() { return U.getShort( STABLE_BYTE_ARRAY, ARRAY_BYTE_BASE_OFFSET); }
static char testB_C() { return U.getChar( STABLE_BYTE_ARRAY, ARRAY_BYTE_BASE_OFFSET); }
static int testB_I() { return U.getInt( STABLE_BYTE_ARRAY, ARRAY_BYTE_BASE_OFFSET); }
static long testB_J() { return U.getLong( STABLE_BYTE_ARRAY, ARRAY_BYTE_BASE_OFFSET); }
static float testB_F() { return U.getFloat( STABLE_BYTE_ARRAY, ARRAY_BYTE_BASE_OFFSET); }
static double testB_D() { return U.getDouble( STABLE_BYTE_ARRAY, ARRAY_BYTE_BASE_OFFSET); }
static boolean testS_Z() { return U.getBoolean(STABLE_SHORT_ARRAY, ARRAY_SHORT_BASE_OFFSET); }
static byte testS_B() { return U.getByte( STABLE_SHORT_ARRAY, ARRAY_SHORT_BASE_OFFSET); }
static short testS_S() { return U.getShort( STABLE_SHORT_ARRAY, ARRAY_SHORT_BASE_OFFSET); }
static char testS_C() { return U.getChar( STABLE_SHORT_ARRAY, ARRAY_SHORT_BASE_OFFSET); }
static int testS_I() { return U.getInt( STABLE_SHORT_ARRAY, ARRAY_SHORT_BASE_OFFSET); }
static long testS_J() { return U.getLong( STABLE_SHORT_ARRAY, ARRAY_SHORT_BASE_OFFSET); }
static float testS_F() { return U.getFloat( STABLE_SHORT_ARRAY, ARRAY_SHORT_BASE_OFFSET); }
static double testS_D() { return U.getDouble( STABLE_SHORT_ARRAY, ARRAY_SHORT_BASE_OFFSET); }
static boolean testC_Z() { return U.getBoolean(STABLE_CHAR_ARRAY, ARRAY_CHAR_BASE_OFFSET); }
static byte testC_B() { return U.getByte( STABLE_CHAR_ARRAY, ARRAY_CHAR_BASE_OFFSET); }
static short testC_S() { return U.getShort( STABLE_CHAR_ARRAY, ARRAY_CHAR_BASE_OFFSET); }
static char testC_C() { return U.getChar( STABLE_CHAR_ARRAY, ARRAY_CHAR_BASE_OFFSET); }
static int testC_I() { return U.getInt( STABLE_CHAR_ARRAY, ARRAY_CHAR_BASE_OFFSET); }
static long testC_J() { return U.getLong( STABLE_CHAR_ARRAY, ARRAY_CHAR_BASE_OFFSET); }
static float testC_F() { return U.getFloat( STABLE_CHAR_ARRAY, ARRAY_CHAR_BASE_OFFSET); }
static double testC_D() { return U.getDouble( STABLE_CHAR_ARRAY, ARRAY_CHAR_BASE_OFFSET); }
static boolean testI_Z() { return U.getBoolean(STABLE_INT_ARRAY, ARRAY_INT_BASE_OFFSET); }
static byte testI_B() { return U.getByte( STABLE_INT_ARRAY, ARRAY_INT_BASE_OFFSET); }
static short testI_S() { return U.getShort( STABLE_INT_ARRAY, ARRAY_INT_BASE_OFFSET); }
static char testI_C() { return U.getChar( STABLE_INT_ARRAY, ARRAY_INT_BASE_OFFSET); }
static int testI_I() { return U.getInt( STABLE_INT_ARRAY, ARRAY_INT_BASE_OFFSET); }
static long testI_J() { return U.getLong( STABLE_INT_ARRAY, ARRAY_INT_BASE_OFFSET); }
static float testI_F() { return U.getFloat( STABLE_INT_ARRAY, ARRAY_INT_BASE_OFFSET); }
static double testI_D() { return U.getDouble( STABLE_INT_ARRAY, ARRAY_INT_BASE_OFFSET); }
static boolean testJ_Z() { return U.getBoolean(STABLE_LONG_ARRAY, ARRAY_LONG_BASE_OFFSET); }
static byte testJ_B() { return U.getByte( STABLE_LONG_ARRAY, ARRAY_LONG_BASE_OFFSET); }
static short testJ_S() { return U.getShort( STABLE_LONG_ARRAY, ARRAY_LONG_BASE_OFFSET); }
static char testJ_C() { return U.getChar( STABLE_LONG_ARRAY, ARRAY_LONG_BASE_OFFSET); }
static int testJ_I() { return U.getInt( STABLE_LONG_ARRAY, ARRAY_LONG_BASE_OFFSET); }
static long testJ_J() { return U.getLong( STABLE_LONG_ARRAY, ARRAY_LONG_BASE_OFFSET); }
static float testJ_F() { return U.getFloat( STABLE_LONG_ARRAY, ARRAY_LONG_BASE_OFFSET); }
static double testJ_D() { return U.getDouble( STABLE_LONG_ARRAY, ARRAY_LONG_BASE_OFFSET); }
static boolean testF_Z() { return U.getBoolean(STABLE_FLOAT_ARRAY, ARRAY_FLOAT_BASE_OFFSET); }
static byte testF_B() { return U.getByte( STABLE_FLOAT_ARRAY, ARRAY_FLOAT_BASE_OFFSET); }
static short testF_S() { return U.getShort( STABLE_FLOAT_ARRAY, ARRAY_FLOAT_BASE_OFFSET); }
static char testF_C() { return U.getChar( STABLE_FLOAT_ARRAY, ARRAY_FLOAT_BASE_OFFSET); }
static int testF_I() { return U.getInt( STABLE_FLOAT_ARRAY, ARRAY_FLOAT_BASE_OFFSET); }
static long testF_J() { return U.getLong( STABLE_FLOAT_ARRAY, ARRAY_FLOAT_BASE_OFFSET); }
static float testF_F() { return U.getFloat( STABLE_FLOAT_ARRAY, ARRAY_FLOAT_BASE_OFFSET); }
static double testF_D() { return U.getDouble( STABLE_FLOAT_ARRAY, ARRAY_FLOAT_BASE_OFFSET); }
static boolean testD_Z() { return U.getBoolean(STABLE_DOUBLE_ARRAY, ARRAY_DOUBLE_BASE_OFFSET); }
static byte testD_B() { return U.getByte( STABLE_DOUBLE_ARRAY, ARRAY_DOUBLE_BASE_OFFSET); }
static short testD_S() { return U.getShort( STABLE_DOUBLE_ARRAY, ARRAY_DOUBLE_BASE_OFFSET); }
static char testD_C() { return U.getChar( STABLE_DOUBLE_ARRAY, ARRAY_DOUBLE_BASE_OFFSET); }
static int testD_I() { return U.getInt( STABLE_DOUBLE_ARRAY, ARRAY_DOUBLE_BASE_OFFSET); }
static long testD_J() { return U.getLong( STABLE_DOUBLE_ARRAY, ARRAY_DOUBLE_BASE_OFFSET); }
static float testD_F() { return U.getFloat( STABLE_DOUBLE_ARRAY, ARRAY_DOUBLE_BASE_OFFSET); }
static double testD_D() { return U.getDouble( STABLE_DOUBLE_ARRAY, ARRAY_DOUBLE_BASE_OFFSET); }
static Object testL_L() { return U.getObject( STABLE_OBJECT_ARRAY, ARRAY_OBJECT_BASE_OFFSET); }
static boolean testL_Z() { return U.getBoolean(STABLE_OBJECT_ARRAY, ARRAY_OBJECT_BASE_OFFSET); }
static byte testL_B() { return U.getByte( STABLE_OBJECT_ARRAY, ARRAY_OBJECT_BASE_OFFSET); }
static short testL_S() { return U.getShort( STABLE_OBJECT_ARRAY, ARRAY_OBJECT_BASE_OFFSET); }
static char testL_C() { return U.getChar( STABLE_OBJECT_ARRAY, ARRAY_OBJECT_BASE_OFFSET); }
static int testL_I() { return U.getInt( STABLE_OBJECT_ARRAY, ARRAY_OBJECT_BASE_OFFSET); }
static long testL_J() { return U.getLong( STABLE_OBJECT_ARRAY, ARRAY_OBJECT_BASE_OFFSET); }
static float testL_F() { return U.getFloat( STABLE_OBJECT_ARRAY, ARRAY_OBJECT_BASE_OFFSET); }
static double testL_D() { return U.getDouble( STABLE_OBJECT_ARRAY, ARRAY_OBJECT_BASE_OFFSET); }
static short testS_U() { return U.getShortUnaligned(STABLE_SHORT_ARRAY, ARRAY_SHORT_BASE_OFFSET + 1); }
static char testC_U() { return U.getCharUnaligned( STABLE_CHAR_ARRAY, ARRAY_CHAR_BASE_OFFSET + 1); }
static int testI_U() { return U.getIntUnaligned( STABLE_INT_ARRAY, ARRAY_INT_BASE_OFFSET + 1); }
static long testJ_U() { return U.getLongUnaligned( STABLE_LONG_ARRAY, ARRAY_LONG_BASE_OFFSET + 1); }
}
static void run(Callable<?> c) throws Exception {
run(c, null, null);
}
static void run(Callable<?> c, Runnable sameResultAction, Runnable changeResultAction) throws Exception {
Object first = c.call();
// Trigger compilation.
for (int i = 0; i < 20_000; i++) {
// Don't compare results here, since most of Test::testL_* results vary across iterations (due to GC).
c.call();
}
if (sameResultAction != null) {
sameResultAction.run();
assertEQ(first, c.call());
}
if (changeResultAction != null) {
changeResultAction.run();
assertNE(first, c.call());
assertEQ(c.call(), c.call());
}
}
static void testMatched(Callable<?> c, Runnable setDefaultAction) throws Exception {
run(c, setDefaultAction, null);
Setter.reset();
}
static void testMismatched(Callable<?> c, Runnable setDefaultAction) throws Exception {
run(c, null, setDefaultAction);
Setter.reset();
}
static void testUnsafeAccess() throws Exception {
// boolean[], aligned accesses
testMatched( Test::testZ_Z, Test::changeZ);
testMismatched(Test::testZ_B, Test::changeZ);
testMismatched(Test::testZ_S, Test::changeZ);
testMismatched(Test::testZ_C, Test::changeZ);
testMismatched(Test::testZ_I, Test::changeZ);
testMismatched(Test::testZ_J, Test::changeZ);
testMismatched(Test::testZ_F, Test::changeZ);
testMismatched(Test::testZ_D, Test::changeZ);
// byte[], aligned accesses
testMismatched(Test::testB_Z, Test::changeB);
testMatched( Test::testB_B, Test::changeB);
testMismatched(Test::testB_S, Test::changeB);
testMismatched(Test::testB_C, Test::changeB);
testMismatched(Test::testB_I, Test::changeB);
testMismatched(Test::testB_J, Test::changeB);
testMismatched(Test::testB_F, Test::changeB);
testMismatched(Test::testB_D, Test::changeB);
// short[], aligned accesses
testMismatched(Test::testS_Z, Test::changeS);
testMismatched(Test::testS_B, Test::changeS);
testMatched( Test::testS_S, Test::changeS);
testMismatched(Test::testS_C, Test::changeS);
testMismatched(Test::testS_I, Test::changeS);
testMismatched(Test::testS_J, Test::changeS);
testMismatched(Test::testS_F, Test::changeS);
testMismatched(Test::testS_D, Test::changeS);
// char[], aligned accesses
testMismatched(Test::testC_Z, Test::changeC);
testMismatched(Test::testC_B, Test::changeC);
testMismatched(Test::testC_S, Test::changeC);
testMatched( Test::testC_C, Test::changeC);
testMismatched(Test::testC_I, Test::changeC);
testMismatched(Test::testC_J, Test::changeC);
testMismatched(Test::testC_F, Test::changeC);
testMismatched(Test::testC_D, Test::changeC);
// int[], aligned accesses
testMismatched(Test::testI_Z, Test::changeI);
testMismatched(Test::testI_B, Test::changeI);
testMismatched(Test::testI_S, Test::changeI);
testMismatched(Test::testI_C, Test::changeI);
testMatched( Test::testI_I, Test::changeI);
testMismatched(Test::testI_J, Test::changeI);
testMismatched(Test::testI_F, Test::changeI);
testMismatched(Test::testI_D, Test::changeI);
// long[], aligned accesses
testMismatched(Test::testJ_Z, Test::changeJ);
testMismatched(Test::testJ_B, Test::changeJ);
testMismatched(Test::testJ_S, Test::changeJ);
testMismatched(Test::testJ_C, Test::changeJ);
testMismatched(Test::testJ_I, Test::changeJ);
testMatched( Test::testJ_J, Test::changeJ);
testMismatched(Test::testJ_F, Test::changeJ);
testMismatched(Test::testJ_D, Test::changeJ);
// float[], aligned accesses
testMismatched(Test::testF_Z, Test::changeF);
testMismatched(Test::testF_B, Test::changeF);
testMismatched(Test::testF_S, Test::changeF);
testMismatched(Test::testF_C, Test::changeF);
testMismatched(Test::testF_I, Test::changeF);
testMismatched(Test::testF_J, Test::changeF);
testMatched( Test::testF_F, Test::changeF);
testMismatched(Test::testF_D, Test::changeF);
// double[], aligned accesses
testMismatched(Test::testD_Z, Test::changeD);
testMismatched(Test::testD_B, Test::changeD);
testMismatched(Test::testD_S, Test::changeD);
testMismatched(Test::testD_C, Test::changeD);
testMismatched(Test::testD_I, Test::changeD);
testMismatched(Test::testD_J, Test::changeD);
testMismatched(Test::testD_F, Test::changeD);
testMatched( Test::testD_D, Test::changeD);
// Object[], aligned accesses
testMismatched(Test::testL_J, Test::changeL); // long & double are always as large as an OOP
testMismatched(Test::testL_D, Test::changeL);
testMatched( Test::testL_L, Test::changeL);
// Unaligned accesses
testMismatched(Test::testS_U, Test::changeS);
testMismatched(Test::testC_U, Test::changeC);
testMismatched(Test::testI_U, Test::changeI);
testMismatched(Test::testJ_U, Test::changeJ);
// No way to reliably check the expected behavior:
// (1) OOPs change during GC;
// (2) there's no way to reliably change some part of an OOP (e.g., when reading a byte from it).
//
// Just trigger the compilation hoping to catch any problems with asserts.
run(Test::testL_B);
run(Test::testL_Z);
run(Test::testL_S);
run(Test::testL_C);
run(Test::testL_I);
run(Test::testL_F);
}
public static void main(String[] args) throws Exception {
if (!Platform.isServer()) {
throw new Error("TESTBUG: Not server VM");
}
testUnsafeAccess();
System.out.println("TEST PASSED");
}
}