| /* |
| * 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 */ |