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diff --git a/gcc-4.9/gcc/config/aarch64/aarch64-opts.h b/gcc-4.9/gcc/config/aarch64/aarch64-opts.h
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+++ b/gcc-4.9/gcc/config/aarch64/aarch64-opts.h
@@ -0,0 +1,64 @@
+/* Copyright (C) 2011-2014 Free Software Foundation, Inc.
+   Contributed by ARM Ltd.
+
+   This file is part of GCC.
+
+   GCC is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published
+   by the Free Software Foundation; either version 3, or (at your
+   option) any later version.
+
+   GCC 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 for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GCC; see the file COPYING3.  If not see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Definitions for option handling for AArch64.  */
+
+#ifndef GCC_AARCH64_OPTS_H
+#define GCC_AARCH64_OPTS_H
+
+/* The various cores that implement AArch64.  */
+enum aarch64_processor
+{
+#define AARCH64_CORE(NAME, INTERNAL_IDENT, IDENT, ARCH, FLAGS, COSTS) \
+  INTERNAL_IDENT,
+#include "aarch64-cores.def"
+#undef AARCH64_CORE
+  /* Used to indicate that no processor has been specified.  */
+  generic,
+  /* Used to mark the end of the processor table.  */
+  aarch64_none
+};
+
+/* TLS types.  */
+enum aarch64_tls_type {
+  TLS_TRADITIONAL,
+  TLS_DESCRIPTORS
+};
+
+/* The code model defines the address generation strategy.
+   Most have a PIC and non-PIC variant.  */
+enum aarch64_code_model {
+  /* Static code and data fit within a 1MB region.
+     Not fully implemented, mostly treated as SMALL.  */
+  AARCH64_CMODEL_TINY,
+  /* Static code, data and GOT/PLT fit within a 1MB region.
+     Not fully implemented, mostly treated as SMALL_PIC.  */
+  AARCH64_CMODEL_TINY_PIC,
+  /* Static code and data fit within a 4GB region.
+     The default non-PIC code model.  */
+  AARCH64_CMODEL_SMALL,
+  /* Static code, data and GOT/PLT fit within a 4GB region.
+     The default PIC code model.  */
+  AARCH64_CMODEL_SMALL_PIC,
+  /* No assumptions about addresses of code and data.
+     The PIC variant is not yet implemented.  */
+  AARCH64_CMODEL_LARGE
+};
+
+#endif