/* * Copyright (c) 2017-2019 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. */ namespace arm_compute { inline qasymm8x16_t vmlaq_qasymm8(qasymm8x16_t vd, float32x4_t vs, float32x4_t vo) { // Convert uint8 vectors to uint16 vectors const uint8x8_t vd_low = vget_low_u8(vd); const uint8x8_t vd_high = vget_high_u8(vd); uint16x8_t vd_low_u16x8 = vmovl_u8(vd_low); uint16x8_t vd_high_u16x8 = vmovl_u8(vd_high); // Convert uint16 vectors to uint32 vectors uint32x4_t A_u32x4 = vmovl_u16(vget_low_u16(vd_low_u16x8)); uint32x4_t B_u32x4 = vmovl_u16(vget_high_u16(vd_low_u16x8)); uint32x4_t C_u32x4 = vmovl_u16(vget_low_u16(vd_high_u16x8)); uint32x4_t D_u32x4 = vmovl_u16(vget_high_u16(vd_high_u16x8)); // Convert uint32 vectors to float32 vectors float32x4_t A_f32x4 = vcvtq_f32_u32(A_u32x4); float32x4_t B_f32x4 = vcvtq_f32_u32(B_u32x4); float32x4_t C_f32x4 = vcvtq_f32_u32(C_u32x4); float32x4_t D_f32x4 = vcvtq_f32_u32(D_u32x4); // vd = vd*vs + vo A_f32x4 = vmlaq_f32(vo, A_f32x4, vs); B_f32x4 = vmlaq_f32(vo, B_f32x4, vs); C_f32x4 = vmlaq_f32(vo, C_f32x4, vs); D_f32x4 = vmlaq_f32(vo, D_f32x4, vs); // Convert float32 vectors to uint32 vectors A_u32x4 = vcvtq_u32_f32(A_f32x4); B_u32x4 = vcvtq_u32_f32(B_f32x4); C_u32x4 = vcvtq_u32_f32(C_f32x4); D_u32x4 = vcvtq_u32_f32(D_f32x4); // Convert uint32 vectors to uint16 vectors (with saturation) vd_low_u16x8 = vcombine_u16(vqmovn_u32(A_u32x4), vqmovn_u32(B_u32x4)); vd_high_u16x8 = vcombine_u16(vqmovn_u32(C_u32x4), vqmovn_u32(D_u32x4)); // convert uint16 vectors to uint8 vectors (with saturation) return vcombine_u8(vqmovn_u16(vd_low_u16x8), vqmovn_u16(vd_high_u16x8)); } } // namespace arm_compute