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Diffstat (limited to 'third_party/aom/aom_ports/arm.h')
| -rw-r--r-- | third_party/aom/aom_ports/arm.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/third_party/aom/aom_ports/arm.h b/third_party/aom/aom_ports/arm.h new file mode 100644 index 0000000000..853741d19a --- /dev/null +++ b/third_party/aom/aom_ports/arm.h @@ -0,0 +1,45 @@ +/* + * 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_ |