Mercurial > hg > graal-jvmci-8

changeset 8482:5d102046a730

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Merge.
author Doug Simon <doug.simon@oracle.com>
date Tue, 26 Mar 2013 14:02:13 +0100
parents 92571f3eeeeb (diff) 718c0304ffeb (current diff)
children f90b8e5d8e61
files
diffstat 29 files changed, 862 insertions(+), 438 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotRuntime.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotRuntime.java	Tue Mar 26 14:02:13 2013 +0100
@@ -142,7 +142,7 @@
 
         addRuntimeCall(THREAD_IS_INTERRUPTED, config.threadIsInterruptedStub,
                 /*        temps */ null,
-                /*          ret */ rax.asValue(Kind.Int),
+                /*          ret */ rax.asValue(Kind.Boolean),
                 /* arg0: thread */ javaCallingConvention(Kind.Object,
       /* arg1: clearInterrupted */                       Kind.Boolean));
 
--- a/graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/HotSpotMethodSubstitutionTest.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/HotSpotMethodSubstitutionTest.java	Tue Mar 26 14:02:13 2013 +0100
@@ -25,6 +25,7 @@
 import org.junit.*;
 
 import com.oracle.graal.api.replacements.*;
+import com.oracle.graal.hotspot.replacements.*;
 import com.oracle.graal.replacements.*;
 
 /**
@@ -36,6 +37,11 @@
     public void testObjectSubstitutions() {
         test("getClass_");
         test("objectHashCode");
+
+        Object obj = new Object();
+
+        assertEquals("a string".getClass(), ObjectSubstitutions.getClass("a string"));
+        assertEquals(obj.hashCode(), ObjectSubstitutions.hashCode(obj));
     }
 
     @SuppressWarnings("all")
@@ -57,6 +63,18 @@
         test("isPrimitive");
         test("getSuperClass");
         test("getComponentType");
+
+        for (Class c : new Class[]{getClass(), Cloneable.class, int[].class, String[][].class}) {
+            assertEquals(c.getModifiers(), ClassSubstitutions.getModifiers(c));
+            assertEquals(c.isInterface(), ClassSubstitutions.isInterface(c));
+            assertEquals(c.isArray(), ClassSubstitutions.isArray(c));
+            assertEquals(c.isPrimitive(), ClassSubstitutions.isPrimitive(c));
+            assertEquals(c.getSuperclass(), ClassSubstitutions.getSuperclass(c));
+            assertEquals(c.getComponentType(), ClassSubstitutions.getComponentType(c));
+            for (Object o : new Object[]{this, new int[5], new String[2][], new Object()}) {
+                assertEquals(c.isInstance(o), ClassSubstitutions.isInstance(c, o));
+            }
+        }
     }
 
     @SuppressWarnings("all")
@@ -99,6 +117,10 @@
         test("currentThread");
         test("threadIsInterrupted");
         test("threadInterrupted");
+
+        Thread currentThread = Thread.currentThread();
+        assertEquals(currentThread, ThreadSubstitutions.currentThread());
+        assertEquals(currentThread.isInterrupted(), ThreadSubstitutions.isInterrupted(currentThread, false));
     }
 
     @SuppressWarnings("all")
@@ -120,6 +142,12 @@
     public void testSystemSubstitutions() {
         test("systemTime");
         test("systemIdentityHashCode");
+
+        SystemSubstitutions.currentTimeMillis();
+        SystemSubstitutions.nanoTime();
+        for (Object o : new Object[]{this, new int[5], new String[2][], new Object()}) {
+            assertEquals(System.identityHashCode(o), SystemSubstitutions.identityHashCode(o));
+        }
     }
 
     @SuppressWarnings("all")
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotGraalRuntime.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotGraalRuntime.java	Tue Mar 26 14:02:13 2013 +0100
@@ -104,6 +104,16 @@
         return unsafe.getInt(address);
     }
 
+    /**
+     * Reads a word value from a given object.
+     */
+    public static long unsafeReadWord(Object object, long offset) {
+        if (wordKind == Kind.Long) {
+            return unsafe.getLong(object, offset);
+        }
+        return unsafe.getInt(object, offset);
+    }
+
     protected/* final */CompilerToVM compilerToVm;
     protected/* final */VMToCompiler vmToCompiler;
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CurrentJavaThreadNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2012, 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.hotspot.nodes;
+
+import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*;
+
+import com.oracle.graal.api.code.*;
+import com.oracle.graal.graph.*;
+import com.oracle.graal.hotspot.*;
+import com.oracle.graal.nodes.calc.*;
+import com.oracle.graal.nodes.spi.*;
+import com.oracle.graal.nodes.type.*;
+import com.oracle.graal.word.*;
+
+/**
+ * Gets the address of the C++ JavaThread object for the current thread.
+ */
+public class CurrentJavaThreadNode extends FloatingNode implements LIRLowerable {
+
+    public CurrentJavaThreadNode() {
+        super(StampFactory.forWord());
+    }
+
+    @Override
+    public void generate(LIRGeneratorTool gen) {
+        Register rawThread = HotSpotGraalRuntime.getInstance().getRuntime().threadRegister();
+        gen.setResult(this, rawThread.asValue(this.kind()));
+    }
+
+    private static int eetopOffset() {
+        try {
+            return (int) UnsafeAccess.unsafe.objectFieldOffset(Thread.class.getDeclaredField("eetop"));
+        } catch (Exception e) {
+            throw new GraalInternalError(e);
+        }
+    }
+
+    @NodeIntrinsic
+    public static Word get() {
+        return Word.box(unsafeReadWord(Thread.currentThread(), eetopOffset()));
+    }
+}
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CurrentThread.java	Tue Mar 26 12:16:35 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,50 +0,0 @@
-/*
- * Copyright (c) 2011, 2012, 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.hotspot.nodes;
-
-import com.oracle.graal.api.code.*;
-import com.oracle.graal.api.meta.*;
-import com.oracle.graal.hotspot.*;
-import com.oracle.graal.nodes.calc.*;
-import com.oracle.graal.nodes.spi.*;
-import com.oracle.graal.nodes.type.*;
-
-/**
- * A node that loads the {@link Thread} object for the current thread.
- */
-public final class CurrentThread extends FloatingNode implements LIRLowerable {
-
-    public CurrentThread() {
-        super(StampFactory.declaredNonNull(HotSpotGraalRuntime.getInstance().getRuntime().lookupJavaType(Thread.class)));
-    }
-
-    @Override
-    public void generate(LIRGeneratorTool gen) {
-        HotSpotGraalRuntime runtime = HotSpotGraalRuntime.getInstance();
-        Register thread = runtime.getRuntime().threadRegister();
-        gen.setResult(this, gen.emitLoad(Kind.Object, thread.asValue(gen.target().wordKind), runtime.getConfig().threadObjectOffset, Value.ILLEGAL, 0, false));
-    }
-
-    @NodeIntrinsic
-    public static native Thread get();
-}
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/HotSpotCurrentRawThreadNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,46 +0,0 @@
-/*
- * Copyright (c) 2012, 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.hotspot.nodes;
-
-import com.oracle.graal.api.code.*;
-import com.oracle.graal.hotspot.*;
-import com.oracle.graal.nodes.calc.*;
-import com.oracle.graal.nodes.spi.*;
-import com.oracle.graal.nodes.type.*;
-import com.oracle.graal.word.*;
-
-public class HotSpotCurrentRawThreadNode extends FloatingNode implements LIRLowerable {
-
-    public HotSpotCurrentRawThreadNode() {
-        super(StampFactory.forWord());
-    }
-
-    @Override
-    public void generate(LIRGeneratorTool gen) {
-        Register rawThread = HotSpotGraalRuntime.getInstance().getRuntime().threadRegister();
-        gen.setResult(this, rawThread.asValue(this.kind()));
-    }
-
-    @NodeIntrinsic
-    public static native Word get();
-}
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/IdentityHashCodeStubCall.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/IdentityHashCodeStubCall.java	Tue Mar 26 14:02:13 2013 +0100
@@ -52,5 +52,7 @@
     }
 
     @NodeIntrinsic
-    public static native int call(Object object);
+    public static int call(Object object) {
+        return System.identityHashCode(object);
+    }
 }
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ThreadIsInterruptedStubCall.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ThreadIsInterruptedStubCall.java	Tue Mar 26 14:02:13 2013 +0100
@@ -22,11 +22,14 @@
  */
 package com.oracle.graal.hotspot.nodes;
 
+import java.lang.reflect.*;
+
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.code.RuntimeCallTarget.Descriptor;
 import com.oracle.graal.api.meta.*;
 import com.oracle.graal.compiler.gen.*;
 import com.oracle.graal.compiler.target.*;
+import com.oracle.graal.graph.*;
 import com.oracle.graal.lir.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.type.*;
@@ -38,7 +41,7 @@
 
     @Input private final ValueNode thread;
     @Input private final ValueNode clearIsInterrupted;
-    public static final Descriptor THREAD_IS_INTERRUPTED = new Descriptor("thread_is_interrupted", false, int.class, Object.class, boolean.class);
+    public static final Descriptor THREAD_IS_INTERRUPTED = new Descriptor("thread_is_interrupted", false, boolean.class, Object.class, boolean.class);
 
     public ThreadIsInterruptedStubCall(ValueNode thread, ValueNode clearIsInterrupted) {
         super(StampFactory.forInteger(Kind.Int, 0, 1));
@@ -54,5 +57,13 @@
     }
 
     @NodeIntrinsic
-    public static native int call(Thread thread, boolean clearIsInterrupted);
+    public static boolean call(Thread thread, boolean clearIsInterrupted) {
+        try {
+            Method isInterrupted = Thread.class.getDeclaredMethod("isInterrupted", boolean.class);
+            isInterrupted.setAccessible(true);
+            return (Boolean) isInterrupted.invoke(thread, clearIsInterrupted);
+        } catch (Exception e) {
+            throw new GraalInternalError(e);
+        }
+    }
 }
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/HotSpotSnippetUtils.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/HotSpotSnippetUtils.java	Tue Mar 26 14:02:13 2013 +0100
@@ -22,6 +22,7 @@
  */
 package com.oracle.graal.hotspot.replacements;
 
+import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*;
 import static com.oracle.graal.replacements.nodes.BranchProbabilityNode.*;
 import sun.misc.*;
 
@@ -33,7 +34,7 @@
 import com.oracle.graal.hotspot.meta.*;
 import com.oracle.graal.hotspot.nodes.*;
 import com.oracle.graal.nodes.extended.*;
-import com.oracle.graal.replacements.Snippet.*;
+import com.oracle.graal.replacements.Snippet.Fold;
 import com.oracle.graal.replacements.nodes.*;
 import com.oracle.graal.word.*;
 
@@ -356,11 +357,17 @@
     @NodeIntrinsic(value = ReadRegisterNode.class, setStampFromReturnType = true)
     public static native Word registerAsWord(@ConstantNodeParameter Register register, @ConstantNodeParameter boolean directUse, @ConstantNodeParameter boolean incoming);
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic(value = UnsafeLoadNode.class, setStampFromReturnType = true)
-    private static native Word loadWordFromObjectIntrinsic(Object object, @ConstantNodeParameter int displacement, long offset, @ConstantNodeParameter Kind wordKind);
+    private static Word loadWordFromObjectIntrinsic(Object object, @ConstantNodeParameter int displacement, long offset, @ConstantNodeParameter Kind wordKind) {
+        return Word.box(unsafeReadWord(object, offset + displacement));
+    }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic(value = LoadHubNode.class, setStampFromReturnType = true)
-    static native Word loadHubIntrinsic(Object object, @ConstantNodeParameter Kind word);
+    static Word loadHubIntrinsic(Object object, @ConstantNodeParameter Kind word) {
+        return Word.box(unsafeReadWord(object, hubOffset()));
+    }
 
     @Fold
     public static int log2WordSize() {
--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ThreadSubstitutions.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ThreadSubstitutions.java	Tue Mar 26 14:02:13 2013 +0100
@@ -23,7 +23,6 @@
 package com.oracle.graal.hotspot.replacements;
 
 import static com.oracle.graal.hotspot.replacements.HotSpotSnippetUtils.*;
-import static com.oracle.graal.nodes.extended.UnsafeCastNode.*;
 
 import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.hotspot.nodes.*;
@@ -37,25 +36,21 @@
 
     @MethodSubstitution
     public static Thread currentThread() {
-        return CurrentThread.get();
+        return (Thread) CurrentJavaThreadNode.get().readObject(threadObjectOffset(), FINAL_LOCATION);
     }
 
-    @Alias(declaringClass = Thread.class) private long eetop;
-
     @MethodSubstitution(isStatic = false)
     public static boolean isInterrupted(final Thread thisObject, boolean clearInterrupted) {
-        Thread thread = CurrentThread.get();
+        Word javaThread = CurrentJavaThreadNode.get();
+        Object thread = javaThread.readObject(threadObjectOffset(), FINAL_LOCATION);
         if (thisObject == thread) {
-            ThreadSubstitutions threadAlias = unsafeCast(thread, ThreadSubstitutions.class, false, true);
-            Word rawThread = Word.unsigned(threadAlias.eetop);
-            Word osThread = rawThread.readWord(osThreadOffset(), FINAL_LOCATION);
-            int int0 = osThread.readInt(osThreadInterruptedOffset(), UNKNOWN_LOCATION);
-            boolean interrupted = int0 != 0;
+            Word osThread = javaThread.readWord(osThreadOffset(), FINAL_LOCATION);
+            boolean interrupted = osThread.readInt(osThreadInterruptedOffset(), UNKNOWN_LOCATION) != 0;
             if (!interrupted || !clearInterrupted) {
                 return interrupted;
             }
         }
 
-        return ThreadIsInterruptedStubCall.call(thisObject, clearInterrupted) != 0;
+        return ThreadIsInterruptedStubCall.call(thisObject, clearInterrupted);
     }
 }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ConditionalNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/ConditionalNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -115,5 +115,7 @@
     public static native boolean materializeCondition(@ConstantNodeParameter Condition condition, long x, long y);
 
     @NodeIntrinsic
-    public static native boolean materializeIsInstance(Class mirror, Object object);
+    public static boolean materializeIsInstance(Class mirror, Object object) {
+        return mirror.isInstance(object);
+    }
 }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/MembarNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/MembarNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -22,7 +22,14 @@
  */
 package com.oracle.graal.nodes.extended;
 
+import static com.oracle.graal.graph.UnsafeAccess.*;
+
+import java.lang.reflect.*;
+
+import sun.misc.*;
+
 import com.oracle.graal.api.code.*;
+import com.oracle.graal.graph.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.spi.*;
 import com.oracle.graal.nodes.type.*;
@@ -52,6 +59,28 @@
         generator.emitMembar(barriers);
     }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void memoryBarrier(@ConstantNodeParameter int barriers);
+    public static void memoryBarrier(@ConstantNodeParameter int barriers) {
+        // Overly conservative but it doesn't matter in the interpreter
+        unsafe.putIntVolatile(dummyBase, dummyOffset, 0);
+        unsafe.getIntVolatile(dummyBase, dummyOffset);
+    }
+
+    /**
+     * An unused field that it used to exercise barriers in the interpreter. This can be replaced
+     * with direct support for barriers in {@link Unsafe} if/when they become available.
+     */
+    @SuppressWarnings("unused") private static int dummy;
+    private static Object dummyBase;
+    private static long dummyOffset;
+    static {
+        try {
+            Field dummyField = MembarNode.class.getDeclaredField("dummy");
+            dummyBase = unsafe.staticFieldBase(dummyField);
+            dummyOffset = unsafe.staticFieldOffset(dummyField);
+        } catch (Exception e) {
+            throw new GraalInternalError(e);
+        }
+    }
 }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeCastNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeCastNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -109,6 +109,9 @@
     @NodeIntrinsic
     public static native <T> T unsafeCast(Object object, @ConstantNodeParameter Stamp stamp);
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native <T> T unsafeCast(Object object, @ConstantNodeParameter Class<T> toType, @ConstantNodeParameter boolean exactType, @ConstantNodeParameter boolean nonNull);
+    public static <T> T unsafeCast(Object object, @ConstantNodeParameter Class<T> toType, @ConstantNodeParameter boolean exactType, @ConstantNodeParameter boolean nonNull) {
+        return toType.cast(object);
+    }
 }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeLoadNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeLoadNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -22,6 +22,8 @@
  */
 package com.oracle.graal.nodes.extended;
 
+import static com.oracle.graal.graph.UnsafeAccess.*;
+
 import com.oracle.graal.api.meta.*;
 import com.oracle.graal.graph.*;
 import com.oracle.graal.nodes.*;
@@ -93,6 +95,34 @@
         return this;
     }
 
+    @SuppressWarnings("unchecked")
     @NodeIntrinsic
-    public static native <T> T load(Object object, @ConstantNodeParameter int displacement, long offset, @ConstantNodeParameter Kind kind);
+    public static <T> T load(Object object, @ConstantNodeParameter int displacement, long offset, @ConstantNodeParameter Kind kind) {
+        if (kind == Kind.Boolean) {
+            return (T) (Boolean) unsafe.getBoolean(object, displacement + offset);
+        }
+        if (kind == Kind.Byte) {
+            return (T) (Byte) unsafe.getByte(object, displacement + offset);
+        }
+        if (kind == Kind.Short) {
+            return (T) (Short) unsafe.getShort(object, displacement + offset);
+        }
+        if (kind == Kind.Char) {
+            return (T) (Character) unsafe.getChar(object, displacement + offset);
+        }
+        if (kind == Kind.Int) {
+            return (T) (Integer) unsafe.getInt(object, displacement + offset);
+        }
+        if (kind == Kind.Float) {
+            return (T) (Float) unsafe.getFloat(object, displacement + offset);
+        }
+        if (kind == Kind.Long) {
+            return (T) (Long) unsafe.getLong(object, displacement + offset);
+        }
+        if (kind == Kind.Double) {
+            return (T) (Double) unsafe.getDouble(object, displacement + offset);
+        }
+        assert kind == Kind.Object;
+        return (T) unsafe.getObject(object, displacement + offset);
+    }
 }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeStoreNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/UnsafeStoreNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -22,6 +22,8 @@
  */
 package com.oracle.graal.nodes.extended;
 
+import static com.oracle.graal.graph.UnsafeAccess.*;
+
 import com.oracle.graal.api.meta.*;
 import com.oracle.graal.graph.*;
 import com.oracle.graal.nodes.*;
@@ -119,31 +121,58 @@
     }
 
     // specialized on value type until boxing/unboxing is sorted out in intrinsification
-    @NodeIntrinsic
-    public static native void store(Object object, @ConstantNodeParameter int displacement, long offset, Object value, @ConstantNodeParameter Kind kind);
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(Object object, @ConstantNodeParameter int displacement, long offset, boolean value, @ConstantNodeParameter Kind kind);
+    public static void store(Object object, @ConstantNodeParameter int displacement, long offset, Object value, @ConstantNodeParameter Kind kind) {
+        unsafe.putObject(object, offset + displacement, value);
+    }
+
+    @SuppressWarnings("unused")
+    @NodeIntrinsic
+    public static void store(Object object, @ConstantNodeParameter int displacement, long offset, boolean value, @ConstantNodeParameter Kind kind) {
+        unsafe.putBoolean(object, offset + displacement, value);
+    }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(Object object, @ConstantNodeParameter int displacement, long offset, byte value, @ConstantNodeParameter Kind kind);
+    public static void store(Object object, @ConstantNodeParameter int displacement, long offset, byte value, @ConstantNodeParameter Kind kind) {
+        unsafe.putByte(object, offset + displacement, value);
+    }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(Object object, @ConstantNodeParameter int displacement, long offset, char value, @ConstantNodeParameter Kind kind);
+    public static void store(Object object, @ConstantNodeParameter int displacement, long offset, char value, @ConstantNodeParameter Kind kind) {
+        unsafe.putChar(object, offset + displacement, value);
+    }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(Object object, @ConstantNodeParameter int displacement, long offset, double value, @ConstantNodeParameter Kind kind);
+    public static void store(Object object, @ConstantNodeParameter int displacement, long offset, double value, @ConstantNodeParameter Kind kind) {
+        unsafe.putDouble(object, offset + displacement, value);
+    }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(Object object, @ConstantNodeParameter int displacement, long offset, float value, @ConstantNodeParameter Kind kind);
-
-    @NodeIntrinsic
-    public static native void store(Object object, @ConstantNodeParameter int displacement, long offset, int value, @ConstantNodeParameter Kind kind);
+    public static void store(Object object, @ConstantNodeParameter int displacement, long offset, float value, @ConstantNodeParameter Kind kind) {
+        unsafe.putFloat(object, offset + displacement, value);
+    }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(Object object, @ConstantNodeParameter int displacement, long offset, long value, @ConstantNodeParameter Kind kind);
+    public static void store(Object object, @ConstantNodeParameter int displacement, long offset, int value, @ConstantNodeParameter Kind kind) {
+        unsafe.putInt(object, offset + displacement, value);
+    }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(Object object, @ConstantNodeParameter int displacement, long offset, short value, @ConstantNodeParameter Kind kind);
+    public static void store(Object object, @ConstantNodeParameter int displacement, long offset, long value, @ConstantNodeParameter Kind kind) {
+        unsafe.putLong(object, offset + displacement, value);
+    }
 
+    @SuppressWarnings("unused")
+    @NodeIntrinsic
+    public static void store(Object object, @ConstantNodeParameter int displacement, long offset, short value, @ConstantNodeParameter Kind kind) {
+        unsafe.putShort(object, offset + displacement, value);
+    }
 }
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CompareAndSwapNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/CompareAndSwapNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -22,6 +22,8 @@
  */
 package com.oracle.graal.nodes.java;
 
+import static com.oracle.graal.graph.UnsafeAccess.*;
+
 import com.oracle.graal.api.meta.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.extended.*;
@@ -87,11 +89,17 @@
 
     // specialized on value type until boxing/unboxing is sorted out in intrinsification
     @NodeIntrinsic
-    public static native boolean compareAndSwap(Object object, @ConstantNodeParameter int displacement, long offset, Object expected, Object newValue);
+    public static boolean compareAndSwap(Object object, @ConstantNodeParameter int displacement, long offset, Object expected, Object newValue) {
+        return unsafe.compareAndSwapObject(object, displacement + offset, expected, newValue);
+    }
 
     @NodeIntrinsic
-    public static native boolean compareAndSwap(Object object, @ConstantNodeParameter int displacement, long offset, long expected, long newValue);
+    public static boolean compareAndSwap(Object object, @ConstantNodeParameter int displacement, long offset, long expected, long newValue) {
+        return unsafe.compareAndSwapLong(object, displacement + offset, expected, newValue);
+    }
 
     @NodeIntrinsic
-    public static native boolean compareAndSwap(Object object, @ConstantNodeParameter int displacement, long offset, int expected, int newValue);
+    public static boolean compareAndSwap(Object object, @ConstantNodeParameter int displacement, long offset, int expected, int newValue) {
+        return unsafe.compareAndSwapInt(object, displacement + offset, expected, newValue);
+    }
 }
--- a/graal/com.oracle.graal.replacements.test/src/com/oracle/graal/replacements/MethodSubstitutionTest.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.replacements.test/src/com/oracle/graal/replacements/MethodSubstitutionTest.java	Tue Mar 26 14:02:13 2013 +0100
@@ -26,296 +26,21 @@
 
 import java.util.concurrent.*;
 
-import org.junit.*;
-
-import sun.misc.*;
-
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.replacements.*;
 import com.oracle.graal.compiler.test.*;
 import com.oracle.graal.debug.*;
 import com.oracle.graal.graph.*;
 import com.oracle.graal.nodes.*;
-import com.oracle.graal.nodes.calc.*;
 import com.oracle.graal.phases.*;
 import com.oracle.graal.phases.common.*;
-import com.oracle.graal.replacements.nodes.*;
 
 /**
  * Tests if {@link MethodSubstitution}s are inlined correctly. Most test cases only assert that
  * there are no remaining invocations in the graph. This is sufficient if the method that is being
  * substituted is a native method. For Java methods, additional checks are necessary.
  */
-public class MethodSubstitutionTest extends GraalCompilerTest {
-
-    @Test
-    public void testUnsafeSubstitutions() {
-        test("unsafeCompareAndSwapInt");
-        test("unsafeCompareAndSwapLong");
-        test("unsafeCompareAndSwapObject");
-
-        test("unsafeGetBoolean");
-        test("unsafeGetByte");
-        test("unsafeGetShort");
-        test("unsafeGetChar");
-        test("unsafeGetInt");
-        test("unsafeGetFloat");
-        test("unsafeGetDouble");
-        test("unsafeGetObject");
-
-        test("unsafePutBoolean");
-        test("unsafePutByte");
-        test("unsafePutShort");
-        test("unsafePutChar");
-        test("unsafePutInt");
-        test("unsafePutFloat");
-        test("unsafePutDouble");
-        test("unsafePutObject");
-
-        test("unsafeDirectMemoryRead");
-        test("unsafeDirectMemoryWrite");
-    }
-
-    @SuppressWarnings("all")
-    public static boolean unsafeCompareAndSwapInt(Unsafe unsafe, Object obj, long offset) {
-        return unsafe.compareAndSwapInt(obj, offset, 0, 1);
-    }
-
-    @SuppressWarnings("all")
-    public static boolean unsafeCompareAndSwapLong(Unsafe unsafe, Object obj, long offset) {
-        return unsafe.compareAndSwapLong(obj, offset, 0, 1);
-    }
-
-    @SuppressWarnings("all")
-    public static boolean unsafeCompareAndSwapObject(Unsafe unsafe, Object obj, long offset) {
-        return unsafe.compareAndSwapObject(obj, offset, null, new Object());
-    }
-
-    @SuppressWarnings("all")
-    public static boolean unsafeGetBoolean(Unsafe unsafe, Object obj, long offset) {
-        return unsafe.getBoolean(obj, offset) && unsafe.getBooleanVolatile(obj, offset);
-    }
-
-    @SuppressWarnings("all")
-    public static int unsafeGetByte(Unsafe unsafe, Object obj, long offset) {
-        return unsafe.getByte(obj, offset) + unsafe.getByteVolatile(obj, offset);
-    }
-
-    @SuppressWarnings("all")
-    public static int unsafeGetShort(Unsafe unsafe, Object obj, long offset) {
-        return unsafe.getShort(obj, offset) + unsafe.getShortVolatile(obj, offset);
-    }
-
-    @SuppressWarnings("all")
-    public static int unsafeGetChar(Unsafe unsafe, Object obj, long offset) {
-        return unsafe.getChar(obj, offset) + unsafe.getCharVolatile(obj, offset);
-    }
-
-    @SuppressWarnings("all")
-    public static int unsafeGetInt(Unsafe unsafe, Object obj, long offset) {
-        return unsafe.getInt(obj, offset) + unsafe.getIntVolatile(obj, offset);
-    }
-
-    @SuppressWarnings("all")
-    public static long unsafeGetLong(Unsafe unsafe, Object obj, long offset) {
-        return unsafe.getLong(obj, offset) + unsafe.getLongVolatile(obj, offset);
-    }
-
-    @SuppressWarnings("all")
-    public static float unsafeGetFloat(Unsafe unsafe, Object obj, long offset) {
-        return unsafe.getFloat(obj, offset) + unsafe.getFloatVolatile(obj, offset);
-    }
-
-    @SuppressWarnings("all")
-    public static double unsafeGetDouble(Unsafe unsafe, Object obj, long offset) {
-        return unsafe.getDouble(obj, offset) + unsafe.getDoubleVolatile(obj, offset);
-    }
-
-    @SuppressWarnings("all")
-    public static boolean unsafeGetObject(Unsafe unsafe, Object obj, long offset) {
-        return unsafe.getObject(obj, offset) == unsafe.getObjectVolatile(obj, offset);
-    }
-
-    @SuppressWarnings("all")
-    public static void unsafePutBoolean(Unsafe unsafe, Object obj, long offset, boolean value) {
-        unsafe.putBoolean(obj, offset, value);
-        unsafe.putBooleanVolatile(obj, offset, value);
-    }
-
-    @SuppressWarnings("all")
-    public static void unsafePutByte(Unsafe unsafe, Object obj, long offset, byte value) {
-        unsafe.putByte(obj, offset, value);
-        unsafe.putByteVolatile(obj, offset, value);
-    }
-
-    @SuppressWarnings("all")
-    public static void unsafePutShort(Unsafe unsafe, Object obj, long offset, short value) {
-        unsafe.putShort(obj, offset, value);
-        unsafe.putShortVolatile(obj, offset, value);
-    }
-
-    @SuppressWarnings("all")
-    public static void unsafePutChar(Unsafe unsafe, Object obj, long offset, char value) {
-        unsafe.putChar(obj, offset, value);
-        unsafe.putCharVolatile(obj, offset, value);
-    }
-
-    @SuppressWarnings("all")
-    public static void unsafePutInt(Unsafe unsafe, Object obj, long offset, int value) {
-        unsafe.putInt(obj, offset, value);
-        unsafe.putIntVolatile(obj, offset, value);
-        unsafe.putOrderedInt(obj, offset, value);
-    }
-
-    @SuppressWarnings("all")
-    public static void unsafePutLong(Unsafe unsafe, Object obj, long offset, long value) {
-        unsafe.putLong(obj, offset, value);
-        unsafe.putLongVolatile(obj, offset, value);
-        unsafe.putOrderedLong(obj, offset, value);
-    }
-
-    @SuppressWarnings("all")
-    public static void unsafePutFloat(Unsafe unsafe, Object obj, long offset, float value) {
-        unsafe.putFloat(obj, offset, value);
-        unsafe.putFloatVolatile(obj, offset, value);
-    }
-
-    @SuppressWarnings("all")
-    public static void unsafePutDouble(Unsafe unsafe, Object obj, long offset, double value) {
-        unsafe.putDouble(obj, offset, value);
-        unsafe.putDoubleVolatile(obj, offset, value);
-    }
-
-    @SuppressWarnings("all")
-    public static void unsafePutObject(Unsafe unsafe, Object obj, long offset, Object value) {
-        unsafe.putObject(obj, offset, value);
-        unsafe.putObjectVolatile(obj, offset, value);
-        unsafe.putOrderedObject(obj, offset, value);
-    }
-
-    @SuppressWarnings("all")
-    public static double unsafeDirectMemoryRead(Unsafe unsafe, long address) {
-        // Unsafe.getBoolean(long) and Unsafe.getObject(long) do not exist
-        return unsafe.getByte(address) + unsafe.getShort(address) + unsafe.getChar(address) + unsafe.getInt(address) + unsafe.getLong(address) + unsafe.getFloat(address) + unsafe.getDouble(address);
-    }
-
-    @SuppressWarnings("all")
-    public static void unsafeDirectMemoryWrite(Unsafe unsafe, long address, byte value) {
-        // Unsafe.putBoolean(long) and Unsafe.putObject(long) do not exist
-        unsafe.putByte(address, value);
-        unsafe.putShort(address, value);
-        unsafe.putChar(address, (char) value);
-        unsafe.putInt(address, value);
-        unsafe.putLong(address, value);
-        unsafe.putFloat(address, value);
-        unsafe.putDouble(address, value);
-    }
-
-    @Test
-    public void testMathSubstitutions() {
-        assertInGraph(assertNotInGraph(test("mathAbs"), IfNode.class), MathIntrinsicNode.class);     // Java
-        test("math");
-    }
-
-    @SuppressWarnings("all")
-    public static double mathAbs(double value) {
-        return Math.abs(value);
-    }
-
-    @SuppressWarnings("all")
-    public static double math(double value) {
-        return Math.sqrt(value) + Math.log(value) + Math.log10(value) + Math.sin(value) + Math.cos(value) + Math.tan(value);
-        // Math.exp(value) +
-        // Math.pow(value, 13);
-    }
-
-    @Test
-    public void testIntegerSubstitutions() {
-        assertInGraph(test("integerReverseBytes"), ReverseBytesNode.class);              // Java
-        assertInGraph(test("integerNumberOfLeadingZeros"), BitScanReverseNode.class);    // Java
-        assertInGraph(test("integerNumberOfTrailingZeros"), BitScanForwardNode.class);   // Java
-        assertInGraph(test("integerBitCount"), BitCountNode.class);                      // Java
-    }
-
-    @SuppressWarnings("all")
-    public static int integerReverseBytes(int value) {
-        return Integer.reverseBytes(value);
-    }
-
-    @SuppressWarnings("all")
-    public static int integerNumberOfLeadingZeros(int value) {
-        return Integer.numberOfLeadingZeros(value);
-    }
-
-    @SuppressWarnings("all")
-    public static int integerNumberOfTrailingZeros(int value) {
-        return Integer.numberOfTrailingZeros(value);
-    }
-
-    @SuppressWarnings("all")
-    public static int integerBitCount(int value) {
-        return Integer.bitCount(value);
-    }
-
-    @Test
-    public void testLongSubstitutions() {
-        assertInGraph(test("longReverseBytes"), ReverseBytesNode.class);              // Java
-        assertInGraph(test("longNumberOfLeadingZeros"), BitScanReverseNode.class);    // Java
-        assertInGraph(test("longNumberOfTrailingZeros"), BitScanForwardNode.class);   // Java
-        assertInGraph(test("longBitCount"), BitCountNode.class);                      // Java
-    }
-
-    @SuppressWarnings("all")
-    public static long longReverseBytes(long value) {
-        return Long.reverseBytes(value);
-    }
-
-    @SuppressWarnings("all")
-    public static long longNumberOfLeadingZeros(long value) {
-        return Long.numberOfLeadingZeros(value);
-    }
-
-    @SuppressWarnings("all")
-    public static long longNumberOfTrailingZeros(long value) {
-        return Long.numberOfTrailingZeros(value);
-    }
-
-    @SuppressWarnings("all")
-    public static int longBitCount(long value) {
-        return Long.bitCount(value);
-    }
-
-    @Test
-    public void testFloatSubstitutions() {
-        assertInGraph(test("floatToIntBits"), ConvertNode.class); // Java
-        test("intBitsToFloat");
-    }
-
-    @SuppressWarnings("all")
-    public static int floatToIntBits(float value) {
-        return Float.floatToIntBits(value);
-    }
-
-    @SuppressWarnings("all")
-    public static float intBitsToFloat(int value) {
-        return Float.intBitsToFloat(value);
-    }
-
-    @Test
-    public void testDoubleSubstitutions() {
-        assertInGraph(test("doubleToLongBits"), ConvertNode.class); // Java
-        test("longBitsToDouble");
-    }
-
-    @SuppressWarnings("all")
-    public static long doubleToLongBits(double value) {
-        return Double.doubleToLongBits(value);
-    }
-
-    @SuppressWarnings("all")
-    public static double longBitsToDouble(long value) {
-        return Double.longBitsToDouble(value);
-    }
+public abstract class MethodSubstitutionTest extends GraalCompilerTest {
 
     protected StructuredGraph test(final String snippet) {
         return Debug.scope("MethodSubstitutionTest", runtime.lookupJavaMethod(getMethod(snippet)), new Callable<StructuredGraph>() {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.replacements.test/src/com/oracle/graal/replacements/StandardMethodSubstitutionsTest.java	Tue Mar 26 14:02:13 2013 +0100
@@ -0,0 +1,453 @@
+/*
+ * Copyright (c) 2012, 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.replacements;
+
+import static com.oracle.graal.graph.UnsafeAccess.*;
+import static com.oracle.graal.replacements.UnsafeSubstitutions.*;
+
+import java.lang.reflect.*;
+import java.util.concurrent.atomic.*;
+
+import org.junit.*;
+
+import sun.misc.*;
+
+import com.oracle.graal.api.replacements.*;
+import com.oracle.graal.nodes.*;
+import com.oracle.graal.nodes.calc.*;
+import com.oracle.graal.replacements.nodes.*;
+
+/**
+ * Tests the VM independent {@link MethodSubstitution}s.
+ */
+public class StandardMethodSubstitutionsTest extends MethodSubstitutionTest {
+
+    static long off(Object o, String name) {
+        try {
+            return unsafe.objectFieldOffset(o.getClass().getDeclaredField(name));
+        } catch (Exception e) {
+            Assert.fail(e.toString());
+            return 0L;
+        }
+    }
+
+    static class Foo {
+
+        boolean z;
+        byte b;
+        short s;
+        char c;
+        int i;
+        long l;
+        float f;
+        double d;
+        Object o;
+
+        void testGet(Field field, long offset, String getName, Object value) throws Exception {
+            field.set(this, value);
+            Method m1 = Unsafe.class.getDeclaredMethod(getName, Object.class, long.class);
+            Method m2 = UnsafeSubstitutions.class.getDeclaredMethod(getName, Object.class, Object.class, long.class);
+            Object expected = m1.invoke(unsafe, this, offset);
+            Object actual = m2.invoke(null, unsafe, this, offset);
+            Assert.assertEquals(expected, actual);
+        }
+
+        void testDirect(Field field, long offset, String type, Object value) throws Exception {
+            if (type.equals("Boolean") || type.equals("Object")) {
+                // No direct memory access for these types
+                return;
+            }
+
+            long address = unsafe.allocateMemory(offset + 16);
+
+            String getName = "get" + type;
+            String putName = "put" + type;
+            Method m1 = Unsafe.class.getDeclaredMethod(putName, long.class, field.getType());
+            Method m2 = Unsafe.class.getDeclaredMethod(getName, long.class);
+
+            Method m3 = UnsafeSubstitutions.class.getDeclaredMethod(putName, Object.class, long.class, field.getType());
+            Method m4 = UnsafeSubstitutions.class.getDeclaredMethod(getName, Object.class, long.class);
+
+            m1.invoke(unsafe, address + offset, value);
+            Object expected = m2.invoke(unsafe, address + offset);
+
+            m3.invoke(null, unsafe, address + offset, value);
+            Object actual = m4.invoke(null, unsafe, address + offset);
+
+            unsafe.freeMemory(address);
+            Assert.assertEquals(expected, actual);
+        }
+
+        void testPut(Field field, long offset, String putName, Object value) throws Exception {
+            Object initialValue = field.get(new Foo());
+            field.set(this, initialValue);
+
+            try {
+                Method m1 = Unsafe.class.getDeclaredMethod(putName, Object.class, long.class, field.getType());
+                Method m2 = UnsafeSubstitutions.class.getDeclaredMethod(putName, Object.class, Object.class, long.class, field.getType());
+                m1.invoke(unsafe, this, offset, value);
+                Object expected = field.get(this);
+                m2.invoke(null, unsafe, this, offset, value);
+                Object actual = field.get(this);
+                Assert.assertEquals(expected, actual);
+            } catch (NoSuchMethodException e) {
+                if (!putName.startsWith("putOrdered")) {
+                    throw e;
+                }
+            }
+        }
+
+        void test(String fieldName, String typeSuffix, Object value) {
+            try {
+                Field field = Foo.class.getDeclaredField(fieldName);
+                long offset = unsafe.objectFieldOffset(field);
+                testGet(field, offset, "get" + typeSuffix, value);
+                testGet(field, offset, "get" + typeSuffix + "Volatile", value);
+                testPut(field, offset, "put" + typeSuffix, value);
+                testPut(field, offset, "put" + typeSuffix + "Volatile", value);
+                testPut(field, offset, "putOrdered" + typeSuffix, value);
+                testDirect(field, offset, typeSuffix, value);
+            } catch (Exception e) {
+                throw new AssertionError(e);
+            }
+        }
+    }
+
+    @Test
+    public void testUnsafeSubstitutions() throws Exception {
+        test("unsafeCompareAndSwapInt");
+        test("unsafeCompareAndSwapLong");
+        test("unsafeCompareAndSwapObject");
+
+        test("unsafeGetBoolean");
+        test("unsafeGetByte");
+        test("unsafeGetShort");
+        test("unsafeGetChar");
+        test("unsafeGetInt");
+        test("unsafeGetLong");
+        test("unsafeGetFloat");
+        test("unsafeGetDouble");
+        test("unsafeGetObject");
+
+        test("unsafePutBoolean");
+        test("unsafePutByte");
+        test("unsafePutShort");
+        test("unsafePutChar");
+        test("unsafePutInt");
+        test("unsafePutFloat");
+        test("unsafePutDouble");
+        test("unsafePutObject");
+
+        test("unsafeDirectMemoryRead");
+        test("unsafeDirectMemoryWrite");
+
+        AtomicInteger a1 = new AtomicInteger(42);
+        AtomicInteger a2 = new AtomicInteger(42);
+        assertEquals(unsafe.compareAndSwapInt(a1, off(a1, "value"), 42, 53), compareAndSwapInt(unsafe, a2, off(a2, "value"), 42, 53));
+        assertEquals(a1.get(), a2.get());
+
+        AtomicLong l1 = new AtomicLong(42);
+        AtomicLong l2 = new AtomicLong(42);
+        assertEquals(unsafe.compareAndSwapLong(l1, off(l1, "value"), 42, 53), compareAndSwapLong(unsafe, l2, off(l2, "value"), 42, 53));
+        assertEquals(l1.get(), l2.get());
+
+        AtomicReference o1 = new AtomicReference<>("42");
+        AtomicReference o2 = new AtomicReference<>("42");
+        assertEquals(unsafe.compareAndSwapObject(o1, off(o1, "value"), "42", "53"), compareAndSwapObject(unsafe, o2, off(o2, "value"), "42", "53"));
+        assertEquals(o1.get(), o2.get());
+
+        Foo f1 = new Foo();
+        f1.test("z", "Boolean", Boolean.TRUE);
+        f1.test("b", "Byte", Byte.MIN_VALUE);
+        f1.test("s", "Short", Short.MAX_VALUE);
+        f1.test("c", "Char", '!');
+        f1.test("i", "Int", 1010010);
+        f1.test("f", "Float", -34.5F);
+        f1.test("l", "Long", 99999L);
+        f1.test("d", "Double", 1234.5678D);
+        f1.test("o", "Object", "object");
+    }
+
+    @SuppressWarnings("all")
+    public static boolean unsafeCompareAndSwapInt(Unsafe unsafe, Object obj, long offset) {
+        return unsafe.compareAndSwapInt(obj, offset, 0, 1);
+    }
+
+    @SuppressWarnings("all")
+    public static boolean unsafeCompareAndSwapLong(Unsafe unsafe, Object obj, long offset) {
+        return unsafe.compareAndSwapLong(obj, offset, 0, 1);
+    }
+
+    @SuppressWarnings("all")
+    public static boolean unsafeCompareAndSwapObject(Unsafe unsafe, Object obj, long offset) {
+        return unsafe.compareAndSwapObject(obj, offset, null, new Object());
+    }
+
+    @SuppressWarnings("all")
+    public static boolean unsafeGetBoolean(Unsafe unsafe, Object obj, long offset) {
+        return unsafe.getBoolean(obj, offset) && unsafe.getBooleanVolatile(obj, offset);
+    }
+
+    @SuppressWarnings("all")
+    public static int unsafeGetByte(Unsafe unsafe, Object obj, long offset) {
+        return unsafe.getByte(obj, offset) + unsafe.getByteVolatile(obj, offset);
+    }
+
+    @SuppressWarnings("all")
+    public static int unsafeGetShort(Unsafe unsafe, Object obj, long offset) {
+        return unsafe.getShort(obj, offset) + unsafe.getShortVolatile(obj, offset);
+    }
+
+    @SuppressWarnings("all")
+    public static int unsafeGetChar(Unsafe unsafe, Object obj, long offset) {
+        return unsafe.getChar(obj, offset) + unsafe.getCharVolatile(obj, offset);
+    }
+
+    @SuppressWarnings("all")
+    public static int unsafeGetInt(Unsafe unsafe, Object obj, long offset) {
+        return unsafe.getInt(obj, offset) + unsafe.getIntVolatile(obj, offset);
+    }
+
+    @SuppressWarnings("all")
+    public static long unsafeGetLong(Unsafe unsafe, Object obj, long offset) {
+        return unsafe.getLong(obj, offset) + unsafe.getLongVolatile(obj, offset);
+    }
+
+    @SuppressWarnings("all")
+    public static float unsafeGetFloat(Unsafe unsafe, Object obj, long offset) {
+        return unsafe.getFloat(obj, offset) + unsafe.getFloatVolatile(obj, offset);
+    }
+
+    @SuppressWarnings("all")
+    public static double unsafeGetDouble(Unsafe unsafe, Object obj, long offset) {
+        return unsafe.getDouble(obj, offset) + unsafe.getDoubleVolatile(obj, offset);
+    }
+
+    @SuppressWarnings("all")
+    public static boolean unsafeGetObject(Unsafe unsafe, Object obj, long offset) {
+        return unsafe.getObject(obj, offset) == unsafe.getObjectVolatile(obj, offset);
+    }
+
+    @SuppressWarnings("all")
+    public static void unsafePutBoolean(Unsafe unsafe, Object obj, long offset, boolean value) {
+        unsafe.putBoolean(obj, offset, value);
+        unsafe.putBooleanVolatile(obj, offset, value);
+    }
+
+    @SuppressWarnings("all")
+    public static void unsafePutByte(Unsafe unsafe, Object obj, long offset, byte value) {
+        unsafe.putByte(obj, offset, value);
+        unsafe.putByteVolatile(obj, offset, value);
+    }
+
+    @SuppressWarnings("all")
+    public static void unsafePutShort(Unsafe unsafe, Object obj, long offset, short value) {
+        unsafe.putShort(obj, offset, value);
+        unsafe.putShortVolatile(obj, offset, value);
+    }
+
+    @SuppressWarnings("all")
+    public static void unsafePutChar(Unsafe unsafe, Object obj, long offset, char value) {
+        unsafe.putChar(obj, offset, value);
+        unsafe.putCharVolatile(obj, offset, value);
+    }
+
+    @SuppressWarnings("all")
+    public static void unsafePutInt(Unsafe unsafe, Object obj, long offset, int value) {
+        unsafe.putInt(obj, offset, value);
+        unsafe.putIntVolatile(obj, offset, value);
+        unsafe.putOrderedInt(obj, offset, value);
+    }
+
+    @SuppressWarnings("all")
+    public static void unsafePutLong(Unsafe unsafe, Object obj, long offset, long value) {
+        unsafe.putLong(obj, offset, value);
+        unsafe.putLongVolatile(obj, offset, value);
+        unsafe.putOrderedLong(obj, offset, value);
+    }
+
+    @SuppressWarnings("all")
+    public static void unsafePutFloat(Unsafe unsafe, Object obj, long offset, float value) {
+        unsafe.putFloat(obj, offset, value);
+        unsafe.putFloatVolatile(obj, offset, value);
+    }
+
+    @SuppressWarnings("all")
+    public static void unsafePutDouble(Unsafe unsafe, Object obj, long offset, double value) {
+        unsafe.putDouble(obj, offset, value);
+        unsafe.putDoubleVolatile(obj, offset, value);
+    }
+
+    @SuppressWarnings("all")
+    public static void unsafePutObject(Unsafe unsafe, Object obj, long offset, Object value) {
+        unsafe.putObject(obj, offset, value);
+        unsafe.putObjectVolatile(obj, offset, value);
+        unsafe.putOrderedObject(obj, offset, value);
+    }
+
+    @SuppressWarnings("all")
+    public static double unsafeDirectMemoryRead(Unsafe unsafe, long address) {
+        // Unsafe.getBoolean(long) and Unsafe.getObject(long) do not exist
+        return unsafe.getByte(address) + unsafe.getShort(address) + unsafe.getChar(address) + unsafe.getInt(address) + unsafe.getLong(address) + unsafe.getFloat(address) + unsafe.getDouble(address);
+    }
+
+    @SuppressWarnings("all")
+    public static void unsafeDirectMemoryWrite(Unsafe unsafe, long address, byte value) {
+        // Unsafe.putBoolean(long) and Unsafe.putObject(long) do not exist
+        unsafe.putByte(address, value);
+        unsafe.putShort(address, value);
+        unsafe.putChar(address, (char) value);
+        unsafe.putInt(address, value);
+        unsafe.putLong(address, value);
+        unsafe.putFloat(address, value);
+        unsafe.putDouble(address, value);
+    }
+
+    @Test
+    public void testMathSubstitutions() {
+        assertInGraph(assertNotInGraph(test("mathAbs"), IfNode.class), MathIntrinsicNode.class);     // Java
+        test("math");
+
+        double value = 34567.891D;
+        assertEquals(Math.sqrt(value), MathSubstitutionsX86.sqrt(value));
+        assertEquals(Math.log(value), MathSubstitutionsX86.log(value));
+        assertEquals(Math.log10(value), MathSubstitutionsX86.log10(value));
+        assertEquals(Math.sin(value), MathSubstitutionsX86.sin(value));
+        assertEquals(Math.cos(value), MathSubstitutionsX86.cos(value));
+        assertEquals(Math.tan(value), MathSubstitutionsX86.tan(value));
+    }
+
+    @SuppressWarnings("all")
+    public static double mathAbs(double value) {
+        return Math.abs(value);
+    }
+
+    @SuppressWarnings("all")
+    public static double math(double value) {
+        return Math.sqrt(value) + Math.log(value) + Math.log10(value) + Math.sin(value) + Math.cos(value) + Math.tan(value);
+        // Math.exp(value) +
+        // Math.pow(value, 13);
+    }
+
+    @Test
+    public void testIntegerSubstitutions() {
+        assertInGraph(test("integerReverseBytes"), ReverseBytesNode.class);              // Java
+        assertInGraph(test("integerNumberOfLeadingZeros"), BitScanReverseNode.class);    // Java
+        assertInGraph(test("integerNumberOfTrailingZeros"), BitScanForwardNode.class);   // Java
+        assertInGraph(test("integerBitCount"), BitCountNode.class);                      // Java
+
+        for (int i : new int[]{Integer.MIN_VALUE, -1, 0, 1, Integer.MAX_VALUE}) {
+            assertEquals(Integer.reverseBytes(i), IntegerSubstitutions.reverseBytes(i));
+            assertEquals(Integer.numberOfLeadingZeros(i), IntegerSubstitutions.numberOfLeadingZeros(i));
+            assertEquals(Integer.numberOfTrailingZeros(i), IntegerSubstitutions.numberOfTrailingZeros(i));
+            assertEquals(Integer.bitCount(i), IntegerSubstitutions.bitCount(i));
+        }
+    }
+
+    @SuppressWarnings("all")
+    public static int integerReverseBytes(int value) {
+        return Integer.reverseBytes(value);
+    }
+
+    @SuppressWarnings("all")
+    public static int integerNumberOfLeadingZeros(int value) {
+        return Integer.numberOfLeadingZeros(value);
+    }
+
+    @SuppressWarnings("all")
+    public static int integerNumberOfTrailingZeros(int value) {
+        return Integer.numberOfTrailingZeros(value);
+    }
+
+    @SuppressWarnings("all")
+    public static int integerBitCount(int value) {
+        return Integer.bitCount(value);
+    }
+
+    @Test
+    public void testLongSubstitutions() {
+        assertInGraph(test("longReverseBytes"), ReverseBytesNode.class);              // Java
+        assertInGraph(test("longNumberOfLeadingZeros"), BitScanReverseNode.class);    // Java
+        assertInGraph(test("longNumberOfTrailingZeros"), BitScanForwardNode.class);   // Java
+        assertInGraph(test("longBitCount"), BitCountNode.class);                      // Java
+
+        for (long l : new long[]{Long.MIN_VALUE, -1L, 0L, 1L, Long.MAX_VALUE}) {
+            assertEquals(Long.reverseBytes(l), LongSubstitutions.reverseBytes(l));
+            assertEquals(Long.numberOfLeadingZeros(l), LongSubstitutions.numberOfLeadingZeros(l));
+            assertEquals(Long.numberOfTrailingZeros(l), LongSubstitutions.numberOfTrailingZeros(l));
+            assertEquals(Long.bitCount(l), LongSubstitutions.bitCount(l));
+        }
+    }
+
+    @SuppressWarnings("all")
+    public static long longReverseBytes(long value) {
+        return Long.reverseBytes(value);
+    }
+
+    @SuppressWarnings("all")
+    public static long longNumberOfLeadingZeros(long value) {
+        return Long.numberOfLeadingZeros(value);
+    }
+
+    @SuppressWarnings("all")
+    public static long longNumberOfTrailingZeros(long value) {
+        return Long.numberOfTrailingZeros(value);
+    }
+
+    @SuppressWarnings("all")
+    public static int longBitCount(long value) {
+        return Long.bitCount(value);
+    }
+
+    @Test
+    public void testFloatSubstitutions() {
+        assertInGraph(test("floatToIntBits"), ConvertNode.class); // Java
+        test("intBitsToFloat");
+    }
+
+    @SuppressWarnings("all")
+    public static int floatToIntBits(float value) {
+        return Float.floatToIntBits(value);
+    }
+
+    @SuppressWarnings("all")
+    public static float intBitsToFloat(int value) {
+        return Float.intBitsToFloat(value);
+    }
+
+    @Test
+    public void testDoubleSubstitutions() {
+        assertInGraph(test("doubleToLongBits"), ConvertNode.class); // Java
+        test("longBitsToDouble");
+    }
+
+    @SuppressWarnings("all")
+    public static long doubleToLongBits(double value) {
+        return Double.doubleToLongBits(value);
+    }
+
+    @SuppressWarnings("all")
+    public static double longBitsToDouble(long value) {
+        return Double.longBitsToDouble(value);
+    }
+}
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/MathSubstitutionsX86.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/MathSubstitutionsX86.java	Tue Mar 26 14:02:13 2013 +0100
@@ -28,7 +28,7 @@
 import com.oracle.graal.graph.Node.NodeIntrinsic;
 import com.oracle.graal.nodes.extended.*;
 import com.oracle.graal.replacements.nodes.*;
-import com.oracle.graal.replacements.nodes.MathIntrinsicNode.*;
+import com.oracle.graal.replacements.nodes.MathIntrinsicNode.Operation;
 
 /**
  * Substitutions for {@link java.lang.Math} methods.
@@ -96,5 +96,14 @@
     public static final Descriptor ARITHMETIC_TAN = new Descriptor("arithmeticTan", false, double.class, double.class);
 
     @NodeIntrinsic(value = RuntimeCallNode.class, setStampFromReturnType = true)
-    public static native double callDouble(@ConstantNodeParameter Descriptor descriptor, double value);
+    public static double callDouble(@ConstantNodeParameter Descriptor descriptor, double value) {
+        if (descriptor == ARITHMETIC_SIN) {
+            return Math.sin(value);
+        }
+        if (descriptor == ARITHMETIC_COS) {
+            return Math.cos(value);
+        }
+        assert descriptor == ARITHMETIC_TAN;
+        return Math.tan(value);
+    }
 }
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/ReplacementsInstaller.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/ReplacementsInstaller.java	Tue Mar 26 14:02:13 2013 +0100
@@ -210,7 +210,9 @@
      * Does final processing of a snippet graph.
      */
     protected void finalizeGraph(ResolvedJavaMethod method, StructuredGraph graph) {
-        new AliasResolutionPhase(runtime).apply(graph);
+        if (substitute == null) {
+            new AliasResolutionPhase(runtime).apply(graph);
+        }
         new NodeIntrinsificationPhase(runtime, pool).apply(graph);
         assert SnippetTemplate.hasConstantParameter(method) || NodeIntrinsificationVerificationPhase.verify(graph);
 
@@ -256,7 +258,9 @@
         Debug.dump(graph, "%s: %s", method.getName(), GraphBuilderPhase.class.getSimpleName());
 
         new WordTypeVerificationPhase(runtime, target.wordKind).apply(graph);
-        new AliasResolutionPhase(runtime).apply(graph);
+        if (substitute == null) {
+            new AliasResolutionPhase(runtime).apply(graph);
+        }
         new NodeIntrinsificationPhase(runtime, pool).apply(graph);
 
         return graph;
@@ -279,7 +283,9 @@
      * Called after all inlining for a given graph is complete.
      */
     protected void afterInlining(StructuredGraph graph) {
-        new AliasResolutionPhase(runtime).apply(graph);
+        if (substitute == null) {
+            new AliasResolutionPhase(runtime).apply(graph);
+        }
         new NodeIntrinsificationPhase(runtime, pool).apply(graph);
 
         new WordTypeRewriterPhase(runtime, target.wordKind).apply(graph);
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitCountNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitCountNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -54,10 +54,14 @@
     }
 
     @NodeIntrinsic
-    public static native int bitCount(int v);
+    public static int bitCount(int v) {
+        return Integer.bitCount(v);
+    }
 
     @NodeIntrinsic
-    public static native int bitCount(long v);
+    public static int bitCount(long v) {
+        return Long.bitCount(v);
+    }
 
     @Override
     public void generate(LIRGenerator gen) {
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitScanForwardNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitScanForwardNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -54,7 +54,16 @@
     }
 
     @NodeIntrinsic
-    public static native int scan(long v);
+    public static int scan(long v) {
+        if (v == 0) {
+            return -1;
+        }
+        int index = 0;
+        while (((1L << index) & v) == 0) {
+            ++index;
+        }
+        return index;
+    }
 
     @Override
     public void generate(LIRGenerator gen) {
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitScanReverseNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BitScanReverseNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -54,10 +54,28 @@
     }
 
     @NodeIntrinsic
-    public static native int scan(int v);
+    public static int scan(int v) {
+        if (v == 0) {
+            return -1;
+        }
+        int index = 31;
+        while (((1 << index) & v) == 0) {
+            --index;
+        }
+        return index;
+    }
 
     @NodeIntrinsic
-    public static native int scan(long v);
+    public static int scan(long v) {
+        if (v == 0) {
+            return -1;
+        }
+        int index = 63;
+        while (((1L << index) & v) == 0) {
+            --index;
+        }
+        return index;
+    }
 
     @Override
     public void generate(LIRGenerator gen) {
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BranchProbabilityNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/BranchProbabilityNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -75,7 +75,9 @@
         GraphUtil.killCFG(this);
     }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void probability(@ConstantNodeParameter double probability);
+    public static void probability(@ConstantNodeParameter double probability) {
+    }
 
 }
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DirectReadNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DirectReadNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -22,6 +22,8 @@
  */
 package com.oracle.graal.replacements.nodes;
 
+import static com.oracle.graal.graph.UnsafeAccess.*;
+
 import com.oracle.graal.api.meta.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.extended.*;
@@ -48,6 +50,31 @@
         gen.setResult(this, gen.emitLoad(readKind, gen.operand(address), 0, Value.ILLEGAL, 0, false));
     }
 
+    @SuppressWarnings("unchecked")
     @NodeIntrinsic
-    public static native <T> T read(long address, @ConstantNodeParameter Kind kind);
+    public static <T> T read(long address, @ConstantNodeParameter Kind kind) {
+        if (kind == Kind.Boolean) {
+            return (T) Boolean.valueOf(unsafe.getByte(address) != 0);
+        }
+        if (kind == Kind.Byte) {
+            return (T) (Byte) unsafe.getByte(address);
+        }
+        if (kind == Kind.Short) {
+            return (T) (Short) unsafe.getShort(address);
+        }
+        if (kind == Kind.Char) {
+            return (T) (Character) unsafe.getChar(address);
+        }
+        if (kind == Kind.Int) {
+            return (T) (Integer) unsafe.getInt(address);
+        }
+        if (kind == Kind.Float) {
+            return (T) (Float) unsafe.getFloat(address);
+        }
+        if (kind == Kind.Long) {
+            return (T) (Long) unsafe.getLong(address);
+        }
+        assert kind == Kind.Double;
+        return (T) (Double) unsafe.getDouble(address);
+    }
 }
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DirectStoreNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/DirectStoreNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -22,6 +22,8 @@
  */
 package com.oracle.graal.replacements.nodes;
 
+import static com.oracle.graal.graph.UnsafeAccess.*;
+
 import com.oracle.graal.api.meta.*;
 import com.oracle.graal.nodes.*;
 import com.oracle.graal.nodes.extended.*;
@@ -57,27 +59,52 @@
      * are used).
      */
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(long address, boolean value, @ConstantNodeParameter Kind kind);
-
-    @NodeIntrinsic
-    public static native void store(long address, byte value, @ConstantNodeParameter Kind kind);
+    public static void store(long address, boolean value, @ConstantNodeParameter Kind kind) {
+        int b = value ? 1 : 0;
+        unsafe.putByte(address, (byte) b);
+    }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(long address, short value, @ConstantNodeParameter Kind kind);
+    public static void store(long address, byte value, @ConstantNodeParameter Kind kind) {
+        unsafe.putByte(address, value);
+    }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(long address, char value, @ConstantNodeParameter Kind kind);
+    public static void store(long address, short value, @ConstantNodeParameter Kind kind) {
+        unsafe.putShort(address, value);
+    }
+
+    @SuppressWarnings("unused")
+    @NodeIntrinsic
+    public static void store(long address, char value, @ConstantNodeParameter Kind kind) {
+        unsafe.putChar(address, value);
+    }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(long address, int value, @ConstantNodeParameter Kind kind);
+    public static void store(long address, int value, @ConstantNodeParameter Kind kind) {
+        unsafe.putInt(address, value);
+    }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(long address, long value, @ConstantNodeParameter Kind kind);
+    public static void store(long address, long value, @ConstantNodeParameter Kind kind) {
+        unsafe.putLong(address, value);
+    }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(long address, float value, @ConstantNodeParameter Kind kind);
+    public static void store(long address, float value, @ConstantNodeParameter Kind kind) {
+        unsafe.putFloat(address, value);
+    }
 
+    @SuppressWarnings("unused")
     @NodeIntrinsic
-    public static native void store(long address, double value, @ConstantNodeParameter Kind kind);
+    public static void store(long address, double value, @ConstantNodeParameter Kind kind) {
+        unsafe.putDouble(address, value);
+    }
 }
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MathIntrinsicNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/MathIntrinsicNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -113,5 +113,23 @@
     }
 
     @NodeIntrinsic
-    public static native double compute(double x, @ConstantNodeParameter Operation op);
+    public static double compute(double value, @ConstantNodeParameter Operation op) {
+        switch (op) {
+            case ABS:
+                return Math.abs(value);
+            case SQRT:
+                return Math.sqrt(value);
+            case LOG:
+                return Math.log(value);
+            case LOG10:
+                return Math.log10(value);
+            case SIN:
+                return Math.sin(value);
+            case COS:
+                return Math.cos(value);
+            case TAN:
+                return Math.tan(value);
+        }
+        throw new GraalInternalError("unknown op %s", op);
+    }
 }
--- a/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/ReverseBytesNode.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/nodes/ReverseBytesNode.java	Tue Mar 26 14:02:13 2013 +0100
@@ -55,10 +55,14 @@
     }
 
     @NodeIntrinsic
-    public static native int reverse(int v);
+    public static int reverse(int v) {
+        return Integer.reverseBytes(v);
+    }
 
     @NodeIntrinsic
-    public static native long reverse(long v);
+    public static long reverse(long v) {
+        return Long.reverseBytes(v);
+    }
 
     @Override
     public void generate(LIRGenerator gen) {
--- a/graal/com.oracle.graal.word/src/com/oracle/graal/word/Word.java	Tue Mar 26 12:16:35 2013 +0100
+++ b/graal/com.oracle.graal.word/src/com/oracle/graal/word/Word.java	Tue Mar 26 14:02:13 2013 +0100
@@ -68,8 +68,8 @@
     }
      // @formatter:on
 
-    private static Word box(long val) {
-        return HostedWord.box(val);
+    public static Word box(long val) {
+        return HostedWord.boxLong(val);
     }
 
     protected abstract long unbox();
@@ -645,7 +645,9 @@
 
     @Override
     @Operation(opcode = Opcode.READ)
-    public native Object readObject(WordBase offset, Object locationIdentity);
+    public Object readObject(WordBase offset, Object locationIdentity) {
+        return unsafe.getObject(null, add((Word) offset).unbox());
+    }
 
     @Override
     @Operation(opcode = Opcode.READ)
@@ -1054,7 +1056,7 @@
         this.rawValue = rawValue;
     }
 
-    protected static Word box(long val) {
+    protected static Word boxLong(long val) {
         if (val >= SMALL_FROM && val <= SMALL_TO) {
             return smallCache[(int) val - SMALL_FROM];
         }