--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/Log.java	2017-02-15 17:09:07.188135945 -0800
@@ -0,0 +1,188 @@
+/*
+ * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package org.graalvm.compiler.replacements;
+
+import java.io.PrintStream;
+
+import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor;
+import org.graalvm.compiler.graph.Node.ConstantNodeParameter;
+import org.graalvm.compiler.graph.Node.NodeIntrinsic;
+import org.graalvm.compiler.nodes.extended.ForeignCallNode;
+
+import jdk.vm.ci.meta.JavaKind;
+
+//JaCoCo Exclude
+
+/**
+ * Provides {@link PrintStream}-like logging facility.
+ */
+public final class Log {
+
+    public static final ForeignCallDescriptor LOG_PRIMITIVE = new ForeignCallDescriptor("logPrimitive", void.class, int.class, long.class, boolean.class);
+    public static final ForeignCallDescriptor LOG_OBJECT = new ForeignCallDescriptor("logObject", void.class, Object.class, boolean.class, boolean.class);
+    public static final ForeignCallDescriptor LOG_PRINTF = new ForeignCallDescriptor("logPrintf", void.class, Object.class, long.class, long.class, long.class);
+
+    @NodeIntrinsic(ForeignCallNode.class)
+    private static native void log(@ConstantNodeParameter ForeignCallDescriptor logObject, Object object, boolean asString, boolean newline);
+
+    @NodeIntrinsic(ForeignCallNode.class)
+    private static native void log(@ConstantNodeParameter ForeignCallDescriptor logPrimitive, int typeChar, long value, boolean newline);
+
+    @NodeIntrinsic(ForeignCallNode.class)
+    private static native void printf(@ConstantNodeParameter ForeignCallDescriptor logPrintf, String format, long v1, long v2, long v3);
+
+    public static void print(boolean value) {
+        log(LOG_PRIMITIVE, JavaKind.Boolean.getTypeChar(), value ? 1L : 0L, false);
+    }
+
+    public static void print(byte value) {
+        log(LOG_PRIMITIVE, JavaKind.Byte.getTypeChar(), value, false);
+    }
+
+    public static void print(char value) {
+        log(LOG_PRIMITIVE, JavaKind.Char.getTypeChar(), value, false);
+    }
+
+    public static void print(short value) {
+        log(LOG_PRIMITIVE, JavaKind.Short.getTypeChar(), value, false);
+    }
+
+    public static void print(int value) {
+        log(LOG_PRIMITIVE, JavaKind.Int.getTypeChar(), value, false);
+    }
+
+    public static void print(long value) {
+        log(LOG_PRIMITIVE, JavaKind.Long.getTypeChar(), value, false);
+    }
+
+    /**
+     * Prints a formatted string to the log stream.
+     *
+     * @param format a C style printf format value that can contain at most one conversion specifier
+     *            (i.e., a sequence of characters starting with '%').
+     * @param value the value associated with the conversion specifier
+     */
+    public static void printf(String format, long value) {
+        printf(LOG_PRINTF, format, value, 0L, 0L);
+    }
+
+    public static void printf(String format, long v1, long v2) {
+        printf(LOG_PRINTF, format, v1, v2, 0L);
+    }
+
+    public static void printf(String format, long v1, long v2, long v3) {
+        printf(LOG_PRINTF, format, v1, v2, v3);
+    }
+
+    public static void print(float value) {
+        if (Float.isNaN(value)) {
+            print("NaN");
+        } else if (value == Float.POSITIVE_INFINITY) {
+            print("Infinity");
+        } else if (value == Float.NEGATIVE_INFINITY) {
+            print("-Infinity");
+        } else {
+            log(LOG_PRIMITIVE, JavaKind.Float.getTypeChar(), Float.floatToRawIntBits(value), false);
+        }
+    }
+
+    public static void print(double value) {
+        if (Double.isNaN(value)) {
+            print("NaN");
+        } else if (value == Double.POSITIVE_INFINITY) {
+            print("Infinity");
+        } else if (value == Double.NEGATIVE_INFINITY) {
+            print("-Infinity");
+        } else {
+            log(LOG_PRIMITIVE, JavaKind.Double.getTypeChar(), Double.doubleToRawLongBits(value), false);
+        }
+    }
+
+    public static void print(String value) {
+        log(LOG_OBJECT, value, true, false);
+    }
+
+    public static void printObject(Object o) {
+        log(LOG_OBJECT, o, false, false);
+    }
+
+    public static void println(boolean value) {
+        log(LOG_PRIMITIVE, JavaKind.Boolean.getTypeChar(), value ? 1L : 0L, true);
+    }
+
+    public static void println(byte value) {
+        log(LOG_PRIMITIVE, JavaKind.Byte.getTypeChar(), value, true);
+    }
+
+    public static void println(char value) {
+        log(LOG_PRIMITIVE, JavaKind.Char.getTypeChar(), value, true);
+    }
+
+    public static void println(short value) {
+        log(LOG_PRIMITIVE, JavaKind.Short.getTypeChar(), value, true);
+    }
+
+    public static void println(int value) {
+        log(LOG_PRIMITIVE, JavaKind.Int.getTypeChar(), value, true);
+    }
+
+    public static void println(long value) {
+        log(LOG_PRIMITIVE, JavaKind.Long.getTypeChar(), value, true);
+    }
+
+    public static void println(float value) {
+        if (Float.isNaN(value)) {
+            println("NaN");
+        } else if (value == Float.POSITIVE_INFINITY) {
+            println("Infinity");
+        } else if (value == Float.NEGATIVE_INFINITY) {
+            println("-Infinity");
+        } else {
+            log(LOG_PRIMITIVE, JavaKind.Float.getTypeChar(), Float.floatToRawIntBits(value), true);
+        }
+    }
+
+    public static void println(double value) {
+        if (Double.isNaN(value)) {
+            println("NaN");
+        } else if (value == Double.POSITIVE_INFINITY) {
+            println("Infinity");
+        } else if (value == Double.NEGATIVE_INFINITY) {
+            println("-Infinity");
+        } else {
+            log(LOG_PRIMITIVE, JavaKind.Double.getTypeChar(), Double.doubleToRawLongBits(value), true);
+        }
+    }
+
+    public static void println(String value) {
+        log(LOG_OBJECT, value, true, true);
+    }
+
+    public static void printlnObject(Object o) {
+        log(LOG_OBJECT, o, false, true);
+    }
+
+    public static void println() {
+        println("");
+    }
+}