--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.lir.aarch64/src/org/graalvm/compiler/lir/aarch64/AArch64ReinterpretOp.java	2016-12-09 00:53:38.221284906 -0800
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2013, 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.lir.aarch64;
+
+import static jdk.vm.ci.code.ValueUtil.asRegister;
+
+import org.graalvm.compiler.asm.aarch64.AArch64MacroAssembler;
+import org.graalvm.compiler.lir.LIRInstructionClass;
+import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
+
+import jdk.vm.ci.aarch64.AArch64Kind;
+import jdk.vm.ci.code.Register;
+import jdk.vm.ci.meta.AllocatableValue;
+
+/**
+ * Instruction that reinterprets some bit pattern as a different type. It is possible to reinterpret
+ * the following: - int <-> float - long <-> double
+ */
+public class AArch64ReinterpretOp extends AArch64LIRInstruction {
+    private static final LIRInstructionClass<AArch64ReinterpretOp> TYPE = LIRInstructionClass.create(AArch64ReinterpretOp.class);
+
+    @Def protected AllocatableValue resultValue;
+    @Use protected AllocatableValue inputValue;
+
+    public AArch64ReinterpretOp(AllocatableValue resultValue, AllocatableValue inputValue) {
+        super(TYPE);
+        AArch64Kind from = (AArch64Kind) inputValue.getPlatformKind();
+        AArch64Kind to = (AArch64Kind) resultValue.getPlatformKind();
+        assert from.getSizeInBytes() == to.getSizeInBytes() && from.isInteger() ^ to.isInteger();
+        this.resultValue = resultValue;
+        this.inputValue = inputValue;
+    }
+
+    @Override
+    public void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) {
+        Register result = asRegister(resultValue);
+        Register input = asRegister(inputValue);
+        AArch64Kind to = (AArch64Kind) resultValue.getPlatformKind();
+        final int size = to.getSizeInBytes() * Byte.SIZE;
+        masm.fmov(size, result, input);
+    }
+}