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/*
* Copyright 2024 The LibYuv Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef INCLUDE_LIBYUV_CPU_SUPPORT_H_
#define INCLUDE_LIBYUV_CPU_SUPPORT_H_
#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif
#if defined(__pnacl__) || defined(__CLR_VER) || \
(defined(__native_client__) && defined(__x86_64__)) || \
(defined(__i386__) && !defined(__SSE__) && !defined(__clang__))
#define LIBYUV_DISABLE_X86
#endif
#if defined(__native_client__)
#define LIBYUV_DISABLE_NEON
#endif
// MemorySanitizer does not support assembly code yet. http://crbug.com/344505
#if defined(__has_feature)
#if __has_feature(memory_sanitizer) && !defined(LIBYUV_DISABLE_NEON)
#define LIBYUV_DISABLE_NEON
#endif
#if __has_feature(memory_sanitizer) && !defined(LIBYUV_DISABLE_X86)
#define LIBYUV_DISABLE_X86
#endif
#endif
// clang >= 3.5.0 required for Arm64.
#if defined(__clang__) && defined(__aarch64__) && !defined(LIBYUV_DISABLE_NEON)
#if (__clang_major__ < 3) || (__clang_major__ == 3 && (__clang_minor__ < 5))
#define LIBYUV_DISABLE_NEON
#endif // clang >= 3.5
#endif // __clang__
// GCC >= 4.7.0 required for AVX2.
#if defined(__GNUC__) && (defined(__x86_64__) || defined(__i386__))
#if (__GNUC__ > 4) || (__GNUC__ == 4 && (__GNUC_MINOR__ >= 7))
#define GCC_HAS_AVX2 1
#endif // GNUC >= 4.7
#endif // __GNUC__
// clang >= 3.4.0 required for AVX2.
#if defined(__clang__) && (defined(__x86_64__) || defined(__i386__))
#if (__clang_major__ > 3) || (__clang_major__ == 3 && (__clang_minor__ >= 4))
#define CLANG_HAS_AVX2 1
#endif // clang >= 3.4
#endif // __clang__
// clang >= 6.0.0 required for AVX512.
#if defined(__clang__) && (defined(__x86_64__) || defined(__i386__))
// clang in xcode follows a different versioning scheme.
// TODO(fbarchard): fix xcode 9 ios b/789.
#if (__clang_major__ >= 7) && !defined(__APPLE__)
#define CLANG_HAS_AVX512 1
#endif // clang >= 7
#endif // __clang__
// Visual C 2012 required for AVX2.
#if defined(_M_IX86) && !defined(__clang__) && defined(_MSC_VER) && \
_MSC_VER >= 1700
#define VISUALC_HAS_AVX2 1
#endif // VisualStudio >= 2012
// Clang 19 required for SME due to needing __arm_tpidr2_save from compiler-rt,
// only enabled on Linux and Android (both define __linux__) for now.
#if !defined(LIBYUV_DISABLE_SME) && defined(__aarch64__) && \
defined(__linux__) && defined(__clang__) && (__clang_major__ >= 19)
#define CLANG_HAS_SME 1
#endif
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif
#endif // INCLUDE_LIBYUV_CPU_SUPPORT_H_