| /* |
| * Copyright (c) 2017 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_NEASYMM_H__ |
| #define __ARM_COMPUTE_NEASYMM_H__ |
| |
| #include <arm_neon.h> |
| |
| namespace arm_compute |
| { |
| using qasymm8x8_t = uint8x8_t; /**< 8 bit quantized asymmetric vector with 8 elements */ |
| using qasymm8x8x2_t = uint8x8x2_t; /**< 8 bit quantized asymmetric vector with 16 elements */ |
| using qasymm8x8x3_t = uint8x8x3_t; /**< 8 bit quantized asymmetric vector with 24 elements */ |
| using qasymm8x8x4_t = uint8x8x4_t; /**< 8 bit quantized asymmetric vector with 32 elements */ |
| using qasymm8x16_t = uint8x16_t; /**< 8 bit quantized asymmetric vector with 16 elements */ |
| |
| /** Round to the nearest division by a power-of-two using exponent |
| * |
| * @note This function calculates the following expression: (x + 2^n -1 ) / 2^n where n = exponent |
| * |
| * @param[in] x Vector of 4 elements |
| * @param[in] exponent Integer value used to round to nearest division by a power-of-two |
| * |
| * @return the nearest division by a power-of-two using exponent |
| */ |
| int32x4_t rounding_divide_by_pow2(int32x4_t x, int exponent); |
| |
| /** Perform a multiply-accumulate on all 16 components of a QASYMM8 vector |
| * |
| * vd*vs + vo |
| * |
| * @param[in] vd Input vector value in QASYMM8 format |
| * @param[in] vs Vector multiplier in F32 format. The multiplier value must be duplicated across all four lanes. |
| * @param[in] vo Vector addend in F32 format. The addend value must be duplicated across all four lanes. |
| * |
| * @return A 16-component vector in QASYMM8 format, saturated to fit |
| */ |
| uint8x16_t vmlaq_qasymm8(qasymm8x16_t vd, float32x4_t vs, float32x4_t vo); |
| } // namespace arm_compute |
| #include "arm_compute/core/NEON/NEAsymm.inl" |
| #endif // __ARM_COMPUTE_NEASYMM_H__ |