1 /* 2 * Copyright (c) 2019, Alliance for Open Media. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "config/aom_dsp_rtcd.h" 12 #include "config/aom_config.h" 13 14 #include "aom/aom_integer.h" 15 #include "aom_ports/mem.h" 16 horizontal_add_s16x8(const int16x8_t v_16x8)17static INLINE int horizontal_add_s16x8(const int16x8_t v_16x8) { 18 const int32x4_t a = vpaddlq_s16(v_16x8); 19 const int64x2_t b = vpaddlq_s32(a); 20 const int32x2_t c = vadd_s32(vreinterpret_s32_s64(vget_low_s64(b)), 21 vreinterpret_s32_s64(vget_high_s64(b))); 22 return vget_lane_s32(c, 0); 23 } 24 horizontal_add_s32x4(const int32x4_t v_32x4)25static INLINE int horizontal_add_s32x4(const int32x4_t v_32x4) { 26 const int64x2_t b = vpaddlq_s32(v_32x4); 27 const int32x2_t c = vadd_s32(vreinterpret_s32_s64(vget_low_s64(b)), 28 vreinterpret_s32_s64(vget_high_s64(b))); 29 return vget_lane_s32(c, 0); 30 } 31 horizontal_add_u16x8(const uint16x8_t a)32static INLINE uint32x2_t horizontal_add_u16x8(const uint16x8_t a) { 33 const uint32x4_t b = vpaddlq_u16(a); 34 const uint64x2_t c = vpaddlq_u32(b); 35 return vadd_u32(vreinterpret_u32_u64(vget_low_u64(c)), 36 vreinterpret_u32_u64(vget_high_u64(c))); 37 } 38