/*
* 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 )
// Armv9.0-A SVE2 instructions.
#define HAS_SVE2 (1 << 5 )
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_
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