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Diffstat (limited to 'src/core/NEON/wrapper/traits.h')
| -rw-r--r-- | src/core/NEON/wrapper/traits.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/core/NEON/wrapper/traits.h b/src/core/NEON/wrapper/traits.h new file mode 100644 index 0000000000..1dac61af74 --- /dev/null +++ b/src/core/NEON/wrapper/traits.h @@ -0,0 +1,163 @@ +/* + * Copyright (c) 2018-2021, 2023 Arm Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef ACL_SRC_CORE_NEON_WRAPPER_TRAITS_H +#define ACL_SRC_CORE_NEON_WRAPPER_TRAITS_H + +#include "arm_compute/core/CoreTypes.h" + +#if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) +#include "src/cpu/CpuTypes.h" // required for float16_t +#endif // defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) + +#include <arm_neon.h> + +#if defined(ARM_COMPUTE_ENABLE_SVE) && defined(__ARM_FEATURE_SVE) +#include <arm_sve.h> +#endif /* defined(ARM_COMPUTE_ENABLE_SVE) && defined(__ARM_FEATURE_SVE) */ + +#include <cmath> +#include <cstdint> + +namespace arm_compute +{ +namespace wrapper +{ +namespace traits +{ +// *INDENT-OFF* +// clang-format off + +/** 64-bit vector tag */ +struct vector_64_tag {}; +/** 128-bit vector tag */ +struct vector_128_tag {}; + +/** Create the appropriate SIMD vector given its type and size in terms of elements */ +template <typename T, int S> struct neon_vector; + +// Specializations +#ifndef DOXYGEN_SKIP_THIS +template <> struct neon_vector<uint8_t, 8>{ using scalar_type = uint8_t; using type = uint8x8_t; using tag_type = vector_64_tag; }; +template <> struct neon_vector<int8_t, 8>{ using scalar_type = int8_t; using type = int8x8_t; using tag_type = vector_64_tag; }; +template <> struct neon_vector<uint8_t, 16>{ using scalar_type = uint8_t; using type = uint8x16_t; using tag_type = vector_128_tag; }; +template <> struct neon_vector<int8_t, 16>{ using scalar_type = int8_t; using type = int8x16_t; using tag_type = vector_128_tag; }; +template <> struct neon_vector<uint16_t, 4>{ using scalar_type = uint16_t; using type = uint16x4_t; using tag_type = vector_64_tag; }; +template <> struct neon_vector<int16_t, 4>{ using scalar_type = int16_t; using type = int16x4_t; using tag_type = vector_64_tag; }; +template <> struct neon_vector<uint16_t, 8>{ using scalar_type = uint16_t; using type = uint16x8_t; using tag_type = vector_128_tag; }; +template <> struct neon_vector<uint16_t, 16>{ using scalar_type = uint16_t; using type = uint16x8x2_t; }; +template <> struct neon_vector<int16_t, 8>{ using scalar_type = int16_t; using type = int16x8_t; using tag_type = vector_128_tag; }; +template <> struct neon_vector<int16_t, 16>{ using scalar_type = int16_t; using type = int16x8x2_t; }; +template <> struct neon_vector<uint32_t, 2>{ using scalar_type = uint32_t; using type = uint32x2_t; using tag_type = vector_64_tag; }; +template <> struct neon_vector<int32_t, 2>{ using scalar_type = int32_t; using type = int32x2_t; using tag_type = vector_64_tag; }; +template <> struct neon_vector<uint32_t, 4>{ using scalar_type = uint32_t; using type = uint32x4_t; using tag_type = vector_128_tag; }; +template <> struct neon_vector<int32_t, 4>{ using scalar_type = int32_t; using type = int32x4_t; using tag_type = vector_128_tag; }; +template <> struct neon_vector<uint64_t, 1>{ using scalar_type = uint64_t;using type = uint64x1_t; using tag_type = vector_64_tag; }; +template <> struct neon_vector<int64_t, 1>{ using scalar_type = int64_t; using type = int64x1_t; using tag_type = vector_64_tag; }; +template <> struct neon_vector<uint64_t, 2>{ using scalar_type = uint64_t; using type = uint64x2_t; using tag_type = vector_128_tag; }; +template <> struct neon_vector<int64_t, 2>{ using scalar_type = int64_t; using type = int64x2_t; using tag_type = vector_128_tag; }; +template <> struct neon_vector<float_t, 2>{ using scalar_type = float_t; using type = float32x2_t; using tag_type = vector_64_tag; }; +template <> struct neon_vector<float_t, 4>{ using scalar_type = float_t; using type = float32x4_t; using tag_type = vector_128_tag; }; + +#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC +template <> struct neon_vector<float16_t, 4>{ using scalar_type = float16_t; using type = float16x4_t; using tag_type = vector_64_tag; }; +template <> struct neon_vector<float16_t, 8>{ using scalar_type = float16_t; using type = float16x8_t; using tag_type = vector_128_tag; }; +#endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC +#endif /* DOXYGEN_SKIP_THIS */ + +/** Helper type template to get the type of a neon vector */ +template <typename T, int S> using neon_vector_t = typename neon_vector<T, S>::type; +/** Helper type template to get the tag type of a neon vector */ +template <typename T, int S> using neon_vector_tag_t = typename neon_vector<T, S>::tag_type; + +/** Vector bit-width enum class */ +enum class BitWidth +{ + W64, /**< 64-bit width */ + W128, /**< 128-bit width */ +}; + +/** Create the appropriate SIMD vector given its type and size in terms of bits */ +template <typename T, BitWidth BW> struct neon_bitvector; +// Specializations +#ifndef DOXYGEN_SKIP_THIS +template <> struct neon_bitvector<uint8_t, BitWidth::W64>{ using type = uint8x8_t; using tag_type = vector_64_tag; }; +template <> struct neon_bitvector<int8_t, BitWidth::W64>{ using type = int8x8_t; using tag_type = vector_64_tag; }; +template <> struct neon_bitvector<uint8_t, BitWidth::W128>{ using type = uint8x16_t; using tag_type = vector_128_tag; }; +template <> struct neon_bitvector<int8_t, BitWidth::W128>{ using type = int8x16_t; using tag_type = vector_128_tag; }; +template <> struct neon_bitvector<uint16_t, BitWidth::W64>{ using type = uint16x4_t; using tag_type = vector_64_tag; }; +template <> struct neon_bitvector<int16_t, BitWidth::W64>{ using type = int16x4_t; using tag_type = vector_64_tag; }; +template <> struct neon_bitvector<uint16_t, BitWidth::W128>{ using type = uint16x8_t; using tag_type = vector_128_tag; }; +template <> struct neon_bitvector<int16_t, BitWidth::W128>{ using type = int16x8_t; using tag_type = vector_128_tag; }; +template <> struct neon_bitvector<uint32_t, BitWidth::W64>{ using type = uint32x2_t; using tag_type = vector_64_tag; }; +template <> struct neon_bitvector<int32_t, BitWidth::W64>{ using type = int32x2_t; using tag_type = vector_64_tag; }; +template <> struct neon_bitvector<uint32_t, BitWidth::W128>{ using type = uint32x4_t; using tag_type = vector_128_tag; }; +template <> struct neon_bitvector<int32_t, BitWidth::W128>{ using type = int32x4_t; using tag_type = vector_128_tag; }; +template <> struct neon_bitvector<uint64_t, BitWidth::W64>{ using type = uint64x1_t; using tag_type = vector_64_tag; }; +template <> struct neon_bitvector<int64_t, BitWidth::W64>{ using type = int64x1_t; using tag_type = vector_64_tag; }; +template <> struct neon_bitvector<uint64_t, BitWidth::W128>{ using type = uint64x2_t; using tag_type = vector_128_tag; }; +template <> struct neon_bitvector<int64_t, BitWidth::W128>{ using type = int64x2_t; using tag_type = vector_128_tag; }; +template <> struct neon_bitvector<float_t, BitWidth::W64>{ using type = float32x2_t; using tag_type = vector_64_tag; }; +template <> struct neon_bitvector<float_t, BitWidth::W128>{ using type = float32x4_t; using tag_type = vector_128_tag; }; +#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC +template <> struct neon_bitvector<float16_t, BitWidth::W64>{ using type = float16x4_t; using tag_type = vector_64_tag; }; +template <> struct neon_bitvector<float16_t, BitWidth::W128>{ using type = float16x8_t; using tag_type = vector_128_tag; }; +#endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC + + +#if defined(ARM_COMPUTE_ENABLE_SVE) && defined(__ARM_FEATURE_SVE) +/** Create the appropriate SVE vector given its type */ +template <typename T> struct sve_vector; + +template <> struct sve_vector<uint8_t>{ using scalar_type = uint8_t; using type = svuint8_t; }; +template <> struct sve_vector<int8_t>{ using scalar_type = int8_t; using type = svint8_t; }; +#endif /* defined(ARM_COMPUTE_ENABLE_SVE) && defined(__ARM_FEATURE_SVE) */ + +#endif /* DOXYGEN_SKIP_THIS */ + +/** Helper type template to get the type of a neon vector */ +template <typename T, BitWidth BW> using neon_bitvector_t = typename neon_bitvector<T, BW>::type; +/** Helper type template to get the tag type of a neon vector */ +template <typename T, BitWidth BW> using neon_bitvector_tag_t = typename neon_bitvector<T, BW>::tag_type; + +/** Promote a type */ +template <typename T> struct promote { }; +template <> struct promote<uint8_t> { using type = uint16_t; }; +template <> struct promote<int8_t> { using type = int16_t; }; +template <> struct promote<uint16_t> { using type = uint32_t; }; +template <> struct promote<int16_t> { using type = int32_t; }; +template <> struct promote<uint32_t> { using type = uint64_t; }; +template <> struct promote<int32_t> { using type = int64_t; }; +template <> struct promote<float> { using type = float; }; +template <> struct promote<half> { using type = half; }; + +/** Get promoted type */ +template <typename T> +using promote_t = typename promote<T>::type; + +// clang-format on +// *INDENT-ON* +} // namespace traits +} // namespace wrapper +} // namespace arm_compute +#endif // ACL_SRC_CORE_NEON_WRAPPER_TRAITS_H |