--- /dev/null	1970-01-01 00:00:09.122103000 +0000
+++ new/src/jdk.vm.ci/share/classes/jdk.vm.ci.aarch64/src/jdk/vm/ci/aarch64/AArch64Kind.java	2015-11-19 12:16:18.934904000 +0000
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 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.aarch64;
+
+import jdk.vm.ci.meta.PlatformKind;
+
+public enum AArch64Kind implements PlatformKind {
+
+    // scalar
+    BYTE(1),
+    WORD(2),
+    DWORD(4),
+    QWORD(8),
+    SINGLE(4),
+    DOUBLE(8),
+
+    // SIMD
+    V32_BYTE(4, BYTE),
+    V32_WORD(4, WORD),
+    V64_BYTE(8, BYTE),
+    V64_WORD(8, WORD),
+    V64_DWORD(8, DWORD),
+    V128_BYTE(16, BYTE),
+    V128_WORD(16, WORD),
+    V128_DWORD(16, DWORD),
+    V128_QWORD(16, QWORD),
+    V128_SINGLE(16, SINGLE),
+    V128_DOUBLE(16, DOUBLE),
+
+    MASK8(1),
+    MASK16(2),
+    MASK32(4),
+    MASK64(8);
+
+    private final int size;
+    private final int vectorLength;
+
+    private final AArch64Kind scalar;
+    private final EnumKey<AArch64Kind> key = new EnumKey<>(this);
+
+    private AArch64Kind(int size) {
+        this.size = size;
+        this.scalar = this;
+        this.vectorLength = 1;
+    }
+
+    private AArch64Kind(int size, AArch64Kind scalar) {
+        this.size = size;
+        this.scalar = scalar;
+
+        assert size % scalar.size == 0;
+        this.vectorLength = size / scalar.size;
+    }
+
+    public AArch64Kind getScalar() {
+        return scalar;
+    }
+
+    public int getSizeInBytes() {
+        return size;
+    }
+
+    public int getVectorLength() {
+        return vectorLength;
+    }
+
+    public Key getKey() {
+        return key;
+    }
+
+    public boolean isInteger() {
+        switch (this) {
+            case BYTE:
+            case WORD:
+            case DWORD:
+            case QWORD:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    public boolean isSIMD() {
+        switch (this) {
+            case SINGLE:
+            case DOUBLE:
+            case V32_BYTE:
+            case V32_WORD:
+            case V64_BYTE:
+            case V64_WORD:
+            case V64_DWORD:
+            case V128_BYTE:
+            case V128_WORD:
+            case V128_DWORD:
+            case V128_QWORD:
+            case V128_SINGLE:
+            case V128_DOUBLE:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    public boolean isMask() {
+        switch (this) {
+            case MASK8:
+            case MASK16:
+            case MASK32:
+            case MASK64:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    public char getTypeChar() {
+        switch (this) {
+            case BYTE:
+                return 'b';
+            case WORD:
+                return 'w';
+            case DWORD:
+                return 'd';
+            case QWORD:
+                return 'q';
+            case SINGLE:
+                return 'S';
+            case DOUBLE:
+                return 'D';
+            case V32_BYTE:
+            case V32_WORD:
+            case V64_BYTE:
+            case V64_WORD:
+            case V64_DWORD:
+            case V128_BYTE:
+            case V128_WORD:
+            case V128_DWORD:
+            case V128_QWORD:
+            case V128_SINGLE:
+            case V128_DOUBLE:
+                return 'v';
+            case MASK8:
+            case MASK16:
+            case MASK32:
+            case MASK64:
+                return 'k';
+            default:
+                return '-';
+        }
+    }
+}