--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jvmci/jdk.vm.ci.code/src/jdk/vm/ci/code/Location.java	Thu Oct 08 17:28:41 2015 -0700
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2015, 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 jdk.vm.ci.code;
+
+/**
+ * Represents a location where a value can be stored. This can be either a {@link Register} or a
+ * stack slot.
+ */
+public final class Location {
+
+    public final Register reg;
+    public final int offset;
+
+    private Location(Register reg, int offset) {
+        this.reg = reg;
+        this.offset = offset;
+    }
+
+    /**
+     * Create a {@link Location} for a register.
+     */
+    public static Location register(Register reg) {
+        return new Location(reg, 0);
+    }
+
+    /**
+     * Create a {@link Location} for a vector subregister.
+     *
+     * @param reg the {@link Register vector register}
+     * @param offset the offset in bytes into the vector register
+     */
+    public static Location subregister(Register reg, int offset) {
+        return new Location(reg, offset);
+    }
+
+    /**
+     * Create a {@link Location} for a stack slot.
+     */
+    public static Location stack(int offset) {
+        return new Location(null, offset);
+    }
+
+    public boolean isRegister() {
+        return reg != null;
+    }
+
+    public boolean isStack() {
+        return reg == null;
+    }
+
+    @Override
+    public String toString() {
+        String regName;
+        if (isRegister()) {
+            regName = reg.name + ":";
+        } else {
+            regName = "stack:";
+        }
+        return regName + offset;
+    }
+}