--- /dev/null	2021-01-19 17:38:25.908523431 +0000
+++ new/src/cpu/aarch64/vm/register_aarch64.cpp	2021-01-25 19:31:53.604653764 +0000
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2013, Red Hat Inc.
+ * Copyright (c) 2000, 2010, 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.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "register_aarch64.hpp"
+
+const int ConcreteRegisterImpl::max_gpr = RegisterImpl::number_of_registers << 1;
+
+const int ConcreteRegisterImpl::max_fpr
+  = ConcreteRegisterImpl::max_gpr + (FloatRegisterImpl::number_of_registers << 1);
+
+const char* RegisterImpl::name() const {
+  const char* names[number_of_registers] = {
+    "c_rarg0", "c_rarg1", "c_rarg2", "c_rarg3", "c_rarg4", "c_rarg5", "c_rarg6", "c_rarg7",
+    "rscratch1", "rscratch2",
+    "r10", "r11", "r12", "r13", "r14", "r15", "r16",
+    "r17", "r18", "r19",
+    "resp", "rdispatch", "rbcp", "r23", "rlocals", "rmonitors", "rcpool", "rheapbase",
+    "rthread", "rfp", "lr", "sp"
+  };
+  return is_valid() ? names[encoding()] : "noreg";
+}
+
+const char* FloatRegisterImpl::name() const {
+  const char* names[number_of_registers] = {
+    "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
+    "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
+    "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
+    "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31"
+  };
+  return is_valid() ? names[encoding()] : "noreg";
+}