--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.word/src/org/graalvm/word/SignedWord.java	Mon Apr 23 12:53:43 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,298 +0,0 @@
-/*
- * Copyright (c) 2012, 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.  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.
- */
-package org.graalvm.word;
-
-public interface SignedWord extends ComparableWord {
-
-    /**
-     * Returns a Signed whose value is {@code (this + val)}.
-     *
-     * @param val value to be added to this Signed.
-     * @return {@code this + val}
-     */
-    SignedWord add(SignedWord val);
-
-    /**
-     * Returns a Signed whose value is {@code (this - val)}.
-     *
-     * @param val value to be subtracted from this Signed.
-     * @return {@code this - val}
-     */
-    SignedWord subtract(SignedWord val);
-
-    /**
-     * Returns a Signed whose value is {@code (this * val)}.
-     *
-     * @param val value to be multiplied by this Signed.
-     * @return {@code this * val}
-     */
-    SignedWord multiply(SignedWord val);
-
-    /**
-     * Returns a Signed whose value is {@code (this / val)}.
-     *
-     * @param val value by which this Signed is to be divided.
-     * @return {@code this / val}
-     */
-    SignedWord signedDivide(SignedWord val);
-
-    /**
-     * Returns a Signed whose value is {@code (this % val)}.
-     *
-     * @param val value by which this Signed is to be divided, and the remainder computed.
-     * @return {@code this % val}
-     */
-    SignedWord signedRemainder(SignedWord val);
-
-    /**
-     * Returns a Signed whose value is {@code (this << n)}.
-     *
-     * @param n shift distance, in bits.
-     * @return {@code this << n}
-     */
-    SignedWord shiftLeft(UnsignedWord n);
-
-    /**
-     * Returns a Signed whose value is {@code (this >> n)}. Sign extension is performed.
-     *
-     * @param n shift distance, in bits.
-     * @return {@code this >> n}
-     */
-    SignedWord signedShiftRight(UnsignedWord n);
-
-    /**
-     * Returns a Signed whose value is {@code (this & val)}. (This method returns a negative Signed
-     * if and only if this and val are both negative.)
-     *
-     * @param val value to be AND'ed with this Signed.
-     * @return {@code this & val}
-     */
-    SignedWord and(SignedWord val);
-
-    /**
-     * Returns a Signed whose value is {@code (this | val)}. (This method returns a negative Signed
-     * if and only if either this or val is negative.)
-     *
-     * @param val value to be OR'ed with this Signed.
-     * @return {@code this | val}
-     */
-    SignedWord or(SignedWord val);
-
-    /**
-     * Returns a Signed whose value is {@code (this ^ val)}. (This method returns a negative Signed
-     * if and only if exactly one of this and val are negative.)
-     *
-     * @param val value to be XOR'ed with this Signed.
-     * @return {@code this ^ val}
-     */
-    SignedWord xor(SignedWord val);
-
-    /**
-     * Returns a Signed whose value is {@code (~this)}. (This method returns a negative value if and
-     * only if this Signed is non-negative.)
-     *
-     * @return {@code ~this}
-     */
-    SignedWord not();
-
-    /**
-     * Compares this Signed with the specified value.
-     *
-     * @param val value to which this Signed is to be compared.
-     * @return {@code this == val}
-     */
-    boolean equal(SignedWord val);
-
-    /**
-     * Compares this Signed with the specified value.
-     *
-     * @param val value to which this Signed is to be compared.
-     * @return {@code this != val}
-     */
-    boolean notEqual(SignedWord val);
-
-    /**
-     * Compares this Signed with the specified value.
-     *
-     * @param val value to which this Signed is to be compared.
-     * @return {@code this < val}
-     */
-    boolean lessThan(SignedWord val);
-
-    /**
-     * Compares this Signed with the specified value.
-     *
-     * @param val value to which this Signed is to be compared.
-     * @return {@code this <= val}
-     */
-    boolean lessOrEqual(SignedWord val);
-
-    /**
-     * Compares this Signed with the specified value.
-     *
-     * @param val value to which this Signed is to be compared.
-     * @return {@code this > val}
-     */
-    boolean greaterThan(SignedWord val);
-
-    /**
-     * Compares this Signed with the specified value.
-     *
-     * @param val value to which this Signed is to be compared.
-     * @return {@code this >= val}
-     */
-    boolean greaterOrEqual(SignedWord val);
-
-    /**
-     * Returns a Signed whose value is {@code (this + val)}.
-     *
-     * @param val value to be added to this Signed.
-     * @return {@code this + val}
-     */
-    SignedWord add(int val);
-
-    /**
-     * Returns a Signed whose value is {@code (this - val)}.
-     *
-     * @param val value to be subtracted from this Signed.
-     * @return {@code this - val}
-     */
-    SignedWord subtract(int val);
-
-    /**
-     * Returns a Signed whose value is {@code (this * val)}.
-     *
-     * @param val value to be multiplied by this Signed.
-     * @return {@code this * val}
-     */
-    SignedWord multiply(int val);
-
-    /**
-     * Returns a Signed whose value is {@code (this / val)}.
-     *
-     * @param val value by which this Signed is to be divided.
-     * @return {@code this / val}
-     */
-    SignedWord signedDivide(int val);
-
-    /**
-     * Returns a Signed whose value is {@code (this % val)}.
-     *
-     * @param val value by which this Signed is to be divided, and the remainder computed.
-     * @return {@code this % val}
-     */
-    SignedWord signedRemainder(int val);
-
-    /**
-     * Returns a Signed whose value is {@code (this << n)}.
-     *
-     * @param n shift distance, in bits.
-     * @return {@code this << n}
-     */
-    SignedWord shiftLeft(int n);
-
-    /**
-     * Returns a Signed whose value is {@code (this >> n)}. Sign extension is performed.
-     *
-     * @param n shift distance, in bits.
-     * @return {@code this >> n}
-     */
-    SignedWord signedShiftRight(int n);
-
-    /**
-     * Returns a Signed whose value is {@code (this & val)}. (This method returns a negative Signed
-     * if and only if this and val are both negative.)
-     *
-     * @param val value to be AND'ed with this Signed.
-     * @return {@code this & val}
-     */
-    SignedWord and(int val);
-
-    /**
-     * Returns a Signed whose value is {@code (this | val)}. (This method returns a negative Signed
-     * if and only if either this or val is negative.)
-     *
-     * @param val value to be OR'ed with this Signed.
-     * @return {@code this | val}
-     */
-    SignedWord or(int val);
-
-    /**
-     * Returns a Signed whose value is {@code (this ^ val)}. (This method returns a negative Signed
-     * if and only if exactly one of this and val are negative.)
-     *
-     * @param val value to be XOR'ed with this Signed.
-     * @return {@code this ^ val}
-     */
-    SignedWord xor(int val);
-
-    /**
-     * Compares this Signed with the specified value.
-     *
-     * @param val value to which this Signed is to be compared.
-     * @return {@code this == val}
-     */
-    boolean equal(int val);
-
-    /**
-     * Compares this Signed with the specified value.
-     *
-     * @param val value to which this Signed is to be compared.
-     * @return {@code this != val}
-     */
-    boolean notEqual(int val);
-
-    /**
-     * Compares this Signed with the specified value.
-     *
-     * @param val value to which this Signed is to be compared.
-     * @return {@code this < val}
-     */
-    boolean lessThan(int val);
-
-    /**
-     * Compares this Signed with the specified value.
-     *
-     * @param val value to which this Signed is to be compared.
-     * @return {@code this <= val}
-     */
-    boolean lessOrEqual(int val);
-
-    /**
-     * Compares this Signed with the specified value.
-     *
-     * @param val value to which this Signed is to be compared.
-     * @return {@code this > val}
-     */
-    boolean greaterThan(int val);
-
-    /**
-     * Compares this Signed with the specified value.
-     *
-     * @param val value to which this Signed is to be compared.
-     * @return {@code this >= val}
-     */
-    boolean greaterOrEqual(int val);
-}