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+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_AOM_PORTS_ARM_H_
+#define AOM_AOM_PORTS_ARM_H_
+#include <stdlib.h>
+
+#include "config/aom_config.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Armv7-A optional Neon instructions, mandatory from Armv8.0-A.
+#define HAS_NEON (1 << 0)
+// Armv8.0-A optional CRC32 instructions, mandatory from Armv8.1-A.
+#define HAS_ARM_CRC32 (1 << 1)
+// Armv8.2-A optional Neon dot-product instructions, mandatory from Armv8.4-A.
+#define HAS_NEON_DOTPROD (1 << 2)
+// Armv8.2-A optional Neon i8mm instructions, mandatory from Armv8.6-A.
+#define HAS_NEON_I8MM (1 << 3)
+// Armv8.2-A optional SVE instructions, mandatory from Armv9.0-A.
+#define HAS_SVE (1 << 4)
+
+int aom_arm_cpu_caps(void);
+
+// Earlier gcc compilers have issues with some neon intrinsics
+#if !defined(__clang__) && defined(__GNUC__) && __GNUC__ == 4 && \
+ __GNUC_MINOR__ <= 6
+#define AOM_INCOMPATIBLE_GCC
+#endif
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // AOM_AOM_PORTS_ARM_H_