--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.aarch64/src/org/graalvm/compiler/lir/aarch64/AArch64BreakpointOp.java	2017-02-15 17:04:50.529959387 -0800
@@ -0,0 +1,54 @@
+/*
+ * 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 org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
+import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.STACK;
+
+import org.graalvm.compiler.asm.aarch64.AArch64MacroAssembler;
+import org.graalvm.compiler.asm.aarch64.AArch64MacroAssembler.AArch64ExceptionCode;
+import org.graalvm.compiler.lir.LIRInstructionClass;
+import org.graalvm.compiler.lir.Opcode;
+import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
+
+import jdk.vm.ci.meta.Value;
+
+@Opcode("BREAKPOINT")
+public class AArch64BreakpointOp extends AArch64LIRInstruction {
+    public static final LIRInstructionClass<AArch64BreakpointOp> TYPE = LIRInstructionClass.create(AArch64BreakpointOp.class);
+
+    /**
+     * A set of values loaded into the Java ABI parameter locations (for inspection by a debugger).
+     */
+    @Use({REG, STACK}) private Value[] parameters;
+
+    public AArch64BreakpointOp(Value[] parameters) {
+        super(TYPE);
+        this.parameters = parameters;
+    }
+
+    @Override
+    public void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) {
+        masm.brk(AArch64ExceptionCode.BREAKPOINT);
+    }
+}