47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved.
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AOM_AOM_PORTS_ARM_H_
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#define AOM_AOM_PORTS_ARM_H_
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#include <stdlib.h>
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#include "config/aom_config.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Armv7-A optional Neon instructions, mandatory from Armv8.0-A.
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#define HAS_NEON (1 << 0)
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// Armv8.0-A optional CRC32 instructions, mandatory from Armv8.1-A.
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#define HAS_ARM_CRC32 (1 << 1)
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// Armv8.2-A optional Neon dot-product instructions, mandatory from Armv8.4-A.
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#define HAS_NEON_DOTPROD (1 << 2)
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// Armv8.2-A optional Neon i8mm instructions, mandatory from Armv8.6-A.
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#define HAS_NEON_I8MM (1 << 3)
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// Armv8.2-A optional SVE instructions, mandatory from Armv9.0-A.
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#define HAS_SVE (1 << 4)
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// Armv9.0-A SVE2 instructions.
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#define HAS_SVE2 (1 << 5)
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int aom_arm_cpu_caps(void);
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// Earlier gcc compilers have issues with some neon intrinsics
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#if !defined(__clang__) && defined(__GNUC__) && __GNUC__ == 4 && \
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__GNUC_MINOR__ <= 6
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#define AOM_INCOMPATIBLE_GCC
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#endif
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // AOM_AOM_PORTS_ARM_H_
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