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author | Georgios Pinitas <georgios.pinitas@arm.com> | 2018-12-17 18:21:02 +0000 |
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committer | Georgios Pinitas <georgios.pinitas@arm.com> | 2018-12-18 11:14:14 +0000 |
commit | 52ebf4219385efe54463dc794ba806b82a6137b3 (patch) | |
tree | 6e187e253eb3bf0e236ae88145345db93e77e57a /arm_compute/core/NEON/wrapper | |
parent | b88847146cb19ad1044abc5451849a5ff256823e (diff) | |
download | ComputeLibrary-52ebf4219385efe54463dc794ba806b82a6137b3.tar.gz |
COMPMID-1809: Create a neon vector wrapper using register size.
Change-Id: I2657f0c09918924a38a75c395301414e50edc198
Reviewed-on: https://review.mlplatform.org/412
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giuseppe Rossini <giuseppe.rossini@arm.com>
Diffstat (limited to 'arm_compute/core/NEON/wrapper')
-rw-r--r-- | arm_compute/core/NEON/wrapper/traits.h | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/arm_compute/core/NEON/wrapper/traits.h b/arm_compute/core/NEON/wrapper/traits.h index 5cd6086c0c..0dbd90ddf8 100644 --- a/arm_compute/core/NEON/wrapper/traits.h +++ b/arm_compute/core/NEON/wrapper/traits.h @@ -40,7 +40,7 @@ struct vector_64_tag {}; /** 128-bit vector tag */ struct vector_128_tag {}; -/** Create the appropriate NEON vector given its type and size */ +/** Create the appropriate NEON vector given its type and size in terms of elements */ template <typename T, int S> struct neon_vector; // Specializations #ifndef DOXYGEN_SKIP_THIS @@ -72,6 +72,46 @@ template <> struct neon_vector<float16_t, 8>{ using type = float16x8_t; using ta 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 NEON 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 +#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; // clang-format on // *INDENT-ON* } // namespace traits |