| /* |
| * Copyright (c) 2018-2021 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 ARM_COMPUTE_WRAPPER_TRAITS_H |
| #define ARM_COMPUTE_WRAPPER_TRAITS_H |
| |
| #include <arm_neon.h> |
| |
| #if defined(__ARM_FEATURE_SVE) |
| #include <arm_sve.h> |
| #endif /* defined(__ARM_FEATURE_SVE) */ |
| |
| 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_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_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 /* ARM_COMPUTE_WRAPPER_TRAITS_H */ |