Mercurial > hg > truffle
view graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/UnsafeEATest.java @ 21541:5e868236654f
moved UnsafeAccess to com.oracle.jvmci.common (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 25 May 2015 22:17:10 +0200 |
parents | 7a49a2763a7a |
children | 48c1ebd24120 |
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/* * Copyright (c) 2011, 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. */ package com.oracle.graal.compiler.test.ea; import org.junit.*; import sun.misc.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.java.*; import com.oracle.jvmci.common.*; public class UnsafeEATest extends EATestBase { public static int zero = 0; private static final Unsafe unsafe; private static final long fieldOffset1; private static final long fieldOffset2; static { unsafe = UnsafeAccess.unsafe; try { long localFieldOffset1 = unsafe.objectFieldOffset(TestClassInt.class.getField("x")); // Make the fields 8 byte aligned (Required for testing setLong on Architectures which // does not support unaligned memory access if (localFieldOffset1 % 8 == 0) { fieldOffset1 = localFieldOffset1; fieldOffset2 = unsafe.objectFieldOffset(TestClassInt.class.getField("y")); } else { fieldOffset1 = unsafe.objectFieldOffset(TestClassInt.class.getField("y")); fieldOffset2 = unsafe.objectFieldOffset(TestClassInt.class.getField("z")); } assert fieldOffset2 == fieldOffset1 + 4; } catch (Exception e) { throw new RuntimeException(e); } } @Test public void testSimpleInt() { testEscapeAnalysis("testSimpleIntSnippet", JavaConstant.forInt(101), false); } public static int testSimpleIntSnippet() { TestClassInt x = new TestClassInt(); unsafe.putInt(x, fieldOffset1, 101); return unsafe.getInt(x, fieldOffset1); } @Test public void testMaterializedInt() { test("testMaterializedIntSnippet"); } public static TestClassInt testMaterializedIntSnippet() { TestClassInt x = new TestClassInt(); unsafe.putInt(x, fieldOffset1, 101); return x; } @Test public void testSimpleDouble() { testEscapeAnalysis("testSimpleDoubleSnippet", JavaConstant.forDouble(10.1), false); } public static double testSimpleDoubleSnippet() { TestClassInt x = new TestClassInt(); unsafe.putDouble(x, fieldOffset1, 10.1); return unsafe.getDouble(x, fieldOffset1); } @Test public void testMergedDouble() { testEscapeAnalysis("testMergedDoubleSnippet", null, false); Assert.assertEquals(1, returnNodes.size()); Assert.assertTrue(returnNodes.get(0).result() instanceof ValuePhiNode); PhiNode phi = (PhiNode) returnNodes.get(0).result(); Assert.assertTrue(phi.valueAt(0) instanceof LoadFieldNode); Assert.assertTrue(phi.valueAt(1) instanceof LoadFieldNode); } public static double testMergedDoubleSnippet(boolean a) { TestClassInt x; if (a) { x = new TestClassInt(0, 0); unsafe.putDouble(x, fieldOffset1, doubleField); } else { x = new TestClassInt(); unsafe.putDouble(x, fieldOffset1, doubleField2); } return unsafe.getDouble(x, fieldOffset1); } @Test public void testMaterializedDouble() { test("testMaterializedDoubleSnippet"); } public static TestClassInt testMaterializedDoubleSnippet() { TestClassInt x = new TestClassInt(); unsafe.putDouble(x, fieldOffset1, 10.1); return x; } @Test public void testDeoptDoubleVar() { test("testDeoptDoubleVarSnippet"); } public static double doubleField = 10.1e99; public static double doubleField2; public static TestClassInt testDeoptDoubleVarSnippet() { TestClassInt x = new TestClassInt(); unsafe.putDouble(x, fieldOffset1, doubleField); doubleField2 = 123; try { doubleField = ((int) unsafe.getDouble(x, fieldOffset1)) / zero; } catch (RuntimeException e) { return x; } return x; } @Test public void testDeoptDoubleConstant() { test("testDeoptDoubleConstantSnippet"); } public static TestClassInt testDeoptDoubleConstantSnippet() { TestClassInt x = new TestClassInt(); unsafe.putDouble(x, fieldOffset1, 10.123); doubleField2 = 123; try { doubleField = ((int) unsafe.getDouble(x, fieldOffset1)) / zero; } catch (RuntimeException e) { return x; } return x; } @Test public void testDeoptLongVar() { test("testDeoptLongVarSnippet"); } public static long longField = 0x133443218aaaffffL; public static long longField2; public static TestClassInt testDeoptLongVarSnippet() { TestClassInt x = new TestClassInt(); unsafe.putLong(x, fieldOffset1, longField); longField2 = 123; try { longField = unsafe.getLong(x, fieldOffset1) / zero; } catch (RuntimeException e) { return x; } return x; } @Test public void testDeoptLongConstant() { test("testDeoptLongConstantSnippet"); } public static TestClassInt testDeoptLongConstantSnippet() { TestClassInt x = new TestClassInt(); unsafe.putLong(x, fieldOffset1, 0x2222222210123L); longField2 = 123; try { longField = unsafe.getLong(x, fieldOffset1) / zero; } catch (RuntimeException e) { return x; } return x; } }