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Diffstat (limited to 'src/core/NEON/wrapper/intrinsics/shr.h')
| -rw-r--r-- | src/core/NEON/wrapper/intrinsics/shr.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/core/NEON/wrapper/intrinsics/shr.h b/src/core/NEON/wrapper/intrinsics/shr.h new file mode 100644 index 0000000000..6ccb9cdf92 --- /dev/null +++ b/src/core/NEON/wrapper/intrinsics/shr.h @@ -0,0 +1,148 @@ +/* + * Copyright (c) 2022 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_SHR_H +#define ARM_COMPUTE_WRAPPER_SHR_H + +#include <arm_neon.h> +#include <type_traits> + +namespace arm_compute +{ +namespace wrapper +{ +#define VQRSHRN_IMPL(half_vtype, vtype, prefix, postfix) \ + template <int b> \ + inline half_vtype vqrshrn(const vtype &a) \ + { \ + return prefix##_##postfix(a, b); \ + } +VQRSHRN_IMPL(int8x8_t, int16x8_t, vqrshrn_n, s16) +VQRSHRN_IMPL(uint8x8_t, uint16x8_t, vqrshrn_n, u16) +VQRSHRN_IMPL(int16x4_t, int32x4_t, vqrshrn_n, s32) +VQRSHRN_IMPL(uint16x4_t, uint32x4_t, vqrshrn_n, u32) +VQRSHRN_IMPL(int32x2_t, int64x2_t, vqrshrn_n, s64) +VQRSHRN_IMPL(uint32x2_t, uint64x2_t, vqrshrn_n, u64) + +#undef VQRSHRN_IMPL + +#ifdef __aarch64__ +#define VQRSHRN_SCALAR_IMPL(half_vtype, vtype, prefix, postfix) \ + template <int b> \ + inline half_vtype vqrshrn(const vtype &a) \ + { \ + return prefix##_##postfix(a, b); \ + } + +VQRSHRN_SCALAR_IMPL(int8_t, int16_t, vqrshrnh_n, s16) +VQRSHRN_SCALAR_IMPL(uint8_t, uint16_t, vqrshrnh_n, u16) +VQRSHRN_SCALAR_IMPL(int16_t, int32_t, vqrshrns_n, s32) +VQRSHRN_SCALAR_IMPL(uint16_t, uint32_t, vqrshrns_n, u32) +VQRSHRN_SCALAR_IMPL(int32_t, int64_t, vqrshrnd_n, s64) +VQRSHRN_SCALAR_IMPL(uint32_t, uint64_t, vqrshrnd_n, u64) + +#undef VQRSHRN_SCALAR_IMPL +#endif // __aarch64__ + +// This function is the mixed version of VQRSHRN and VQRSHRUN. +// The input vector is always signed integer, while the returned vector +// can be either signed or unsigned depending on the signedness of scalar type T. +#define VQRSHRN_EX_IMPL(half_vtype, vtype, prefix_signed, prefix_unsigned, postfix) \ + template <int b, typename T> \ + inline typename std::enable_if<std::is_integral<T>::value && std::is_signed<T>::value, half_vtype>::type \ + vqrshrn_ex(const vtype &a) \ + { \ + return prefix_signed##_##postfix(a, b); \ + } \ + \ + template <int b, typename T> \ + inline typename std::enable_if<std::is_integral<T>::value && !std::is_signed<T>::value, u##half_vtype>::type \ + vqrshrn_ex(const vtype &a) \ + { \ + return prefix_unsigned##_##postfix(a, b); \ + } +VQRSHRN_EX_IMPL(int8x8_t, int16x8_t, vqrshrn_n, vqrshrun_n, s16) +VQRSHRN_EX_IMPL(int16x4_t, int32x4_t, vqrshrn_n, vqrshrun_n, s32) +VQRSHRN_EX_IMPL(int32x2_t, int64x2_t, vqrshrn_n, vqrshrun_n, s64) +#undef VQRSHRN_EX_IMPL + +#define VSHR_IMPL(vtype, prefix, postfix) \ + template <int b> \ + inline vtype vshr_n(const vtype &a) \ + { \ + return prefix##_##postfix(a, b); \ + } +VSHR_IMPL(uint8x8_t, vshr_n, u8) +VSHR_IMPL(int8x8_t, vshr_n, s8) +#undef VSHR_IMPL + +#define VSHRQ_IMPL(vtype, prefix, postfix) \ + template <int b> \ + inline vtype vshrq_n(const vtype &a) \ + { \ + return prefix##_##postfix(a, b); \ + } +VSHRQ_IMPL(uint32x4_t, vshrq_n, u32) +VSHRQ_IMPL(int32x4_t, vshrq_n, s32) +#undef VSHRQ_IMPL + +#ifdef __aarch64__ +#define VSHRQ_SCALAR_IMPL(vtype, prefix, postfix) \ + template <int b> \ + inline vtype vshrq_n(const vtype &a) \ + { \ + return prefix##_##postfix(a, b); \ + } +VSHRQ_SCALAR_IMPL(uint32_t, vshrd_n, u64) +VSHRQ_SCALAR_IMPL(int32_t, vshrd_n, s64) + +#undef VSHRQ_SCALAR_IMPL +#endif // __aarch64__ + +#ifdef __aarch64__ +#define VQRSHRN_EX_SCALAR_IMPL(half_vtype, vtype, prefix_signed, prefix_unsigned, postfix) \ + template <int b, typename T> \ + inline typename std::enable_if<std::is_integral<T>::value && std::is_signed<T>::value, half_vtype>::type \ + vqrshrn_ex(const vtype &a) \ + { \ + return prefix_signed##_##postfix(a, b); \ + } \ + \ + template <int b, typename T> \ + inline typename std::enable_if<std::is_integral<T>::value && !std::is_signed<T>::value, u##half_vtype>::type \ + vqrshrn_ex(const vtype &a) \ + { \ + return prefix_unsigned##_##postfix(a, b); \ + } + +VQRSHRN_EX_SCALAR_IMPL(int8_t, int16_t, vqrshrnh_n, vqrshrunh_n, s16) +VQRSHRN_EX_SCALAR_IMPL(int16_t, int32_t, vqrshrns_n, vqrshruns_n, s32) +VQRSHRN_EX_SCALAR_IMPL(int32_t, int64_t, vqrshrnd_n, vqrshrund_n, s64) + +#undef VQRSHRN_EX_IMPL +#endif // __aarch64__ + +} // namespace wrapper +} // namespace arm_compute +#endif /* ARM_COMPUTE_WRAPPER_SHR_H */ |