| /* |
| * Copyright (c) 2019, Alliance for Open Media. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "config/aom_dsp_rtcd.h" |
| #include "config/aom_config.h" |
| |
| #include "aom/aom_integer.h" |
| #include "aom_ports/mem.h" |
| |
| static INLINE int horizontal_add_s16x8(const int16x8_t a) { |
| #if defined(__aarch64__) |
| return vaddlvq_s16(a); |
| #else |
| const int32x4_t b = vpaddlq_s16(a); |
| const int64x2_t c = vpaddlq_s32(b); |
| const int32x2_t d = vadd_s32(vreinterpret_s32_s64(vget_low_s64(c)), |
| vreinterpret_s32_s64(vget_high_s64(c))); |
| return vget_lane_s32(d, 0); |
| #endif |
| } |
| |
| static INLINE int horizontal_add_s32x4(const int32x4_t a) { |
| #if defined(__aarch64__) |
| return vaddvq_s32(a); |
| #else |
| const int64x2_t b = vpaddlq_s32(a); |
| const int32x2_t c = vadd_s32(vreinterpret_s32_s64(vget_low_s64(b)), |
| vreinterpret_s32_s64(vget_high_s64(b))); |
| return vget_lane_s32(c, 0); |
| #endif |
| } |
| |
| static INLINE uint64_t horizontal_add_u64x2(const uint64x2_t a) { |
| #if defined(__aarch64__) |
| return vaddvq_u64(a); |
| #else |
| return vgetq_lane_u64(a, 0) + vgetq_lane_u64(a, 1); |
| #endif |
| } |
| |
| static INLINE uint64_t horizontal_long_add_u32x4(const uint32x4_t a) { |
| #if defined(__aarch64__) |
| return vaddlvq_u32(a); |
| #else |
| const uint64x2_t b = vpaddlq_u32(a); |
| return vgetq_lane_u64(b, 0) + vgetq_lane_u64(b, 1); |
| #endif |
| } |
| |
| static INLINE unsigned int horizontal_add_u32x4(const uint32x4_t a) { |
| #if defined(__aarch64__) |
| return vaddvq_u32(a); |
| #else |
| const uint64x2_t b = vpaddlq_u32(a); |
| const uint32x2_t c = vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)), |
| vreinterpret_u32_u64(vget_high_u64(b))); |
| return vget_lane_u32(c, 0); |
| #endif |
| } |
| |
| static INLINE uint32_t horizontal_long_add_u16x8(const uint16x8_t vec_lo, |
| const uint16x8_t vec_hi) { |
| #if defined(__aarch64__) |
| return vaddlvq_u16(vec_lo) + vaddlvq_u16(vec_hi); |
| #else |
| const uint32x4_t vec_l_lo = |
| vaddl_u16(vget_low_u16(vec_lo), vget_high_u16(vec_lo)); |
| const uint32x4_t vec_l_hi = |
| vaddl_u16(vget_low_u16(vec_hi), vget_high_u16(vec_hi)); |
| const uint32x4_t a = vaddq_u32(vec_l_lo, vec_l_hi); |
| const uint64x2_t b = vpaddlq_u32(a); |
| const uint32x2_t c = vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)), |
| vreinterpret_u32_u64(vget_high_u64(b))); |
| return vget_lane_u32(c, 0); |
| #endif |
| } |
| |
| static INLINE uint32_t horizontal_add_u16x8(const uint16x8_t a) { |
| #if defined(__aarch64__) |
| return vaddlvq_u16(a); |
| #else |
| const uint32x4_t b = vpaddlq_u16(a); |
| const uint64x2_t c = vpaddlq_u32(b); |
| const uint32x2_t d = vadd_u32(vreinterpret_u32_u64(vget_low_u64(c)), |
| vreinterpret_u32_u64(vget_high_u64(c))); |
| return vget_lane_u32(d, 0); |
| #endif |
| } |
| |
| static INLINE uint32_t horizontal_add_u32x2(const uint32x2_t a) { |
| #if defined(__aarch64__) |
| return vaddv_u32(a); |
| #else |
| const uint64x1_t b = vpaddl_u32(a); |
| return vget_lane_u32(vreinterpret_u32_u64(b), 0); |
| #endif |
| } |
| |
| static INLINE uint32_t horizontal_add_u16x4(const uint16x4_t a) { |
| #if defined(__aarch64__) |
| return vaddlv_u16(a); |
| #else |
| const uint32x2_t b = vpaddl_u16(a); |
| const uint64x1_t c = vpaddl_u32(b); |
| return vget_lane_u32(vreinterpret_u32_u64(c), 0); |
| #endif |
| } |