| /* |
| * Copyright (c) 2023, Alliance for Open Media. All rights reserved. |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #include <arm_neon.h> |
| #include <assert.h> |
| |
| #include "config/aom_dsp_rtcd.h" |
| #include "config/aom_config.h" |
| |
| #include "aom_dsp/arm/aom_neon_sve_bridge.h" |
| #include "aom_dsp/arm/mem_neon.h" |
| |
| static inline void get_blk_sse_sum_4xh_sve(const int16_t *data, int stride, |
| int bh, int *x_sum, |
| int64_t *x2_sum) { |
| int32x4_t sum = vdupq_n_s32(0); |
| int64x2_t sse = vdupq_n_s64(0); |
| |
| do { |
| int16x8_t d = vcombine_s16(vld1_s16(data), vld1_s16(data + stride)); |
| |
| sum = vpadalq_s16(sum, d); |
| |
| sse = aom_sdotq_s16(sse, d, d); |
| |
| data += 2 * stride; |
| bh -= 2; |
| } while (bh != 0); |
| |
| *x_sum = vaddvq_s32(sum); |
| *x2_sum = vaddvq_s64(sse); |
| } |
| |
| static inline void get_blk_sse_sum_8xh_sve(const int16_t *data, int stride, |
| int bh, int *x_sum, |
| int64_t *x2_sum) { |
| int32x4_t sum[2] = { vdupq_n_s32(0), vdupq_n_s32(0) }; |
| int64x2_t sse[2] = { vdupq_n_s64(0), vdupq_n_s64(0) }; |
| |
| do { |
| int16x8_t d0 = vld1q_s16(data); |
| int16x8_t d1 = vld1q_s16(data + stride); |
| |
| sum[0] = vpadalq_s16(sum[0], d0); |
| sum[1] = vpadalq_s16(sum[1], d1); |
| |
| sse[0] = aom_sdotq_s16(sse[0], d0, d0); |
| sse[1] = aom_sdotq_s16(sse[1], d1, d1); |
| |
| data += 2 * stride; |
| bh -= 2; |
| } while (bh != 0); |
| |
| *x_sum = vaddvq_s32(vaddq_s32(sum[0], sum[1])); |
| *x2_sum = vaddvq_s64(vaddq_s64(sse[0], sse[1])); |
| } |
| |
| static inline void get_blk_sse_sum_large_sve(const int16_t *data, int stride, |
| int bw, int bh, int *x_sum, |
| int64_t *x2_sum) { |
| int32x4_t sum[2] = { vdupq_n_s32(0), vdupq_n_s32(0) }; |
| int64x2_t sse[2] = { vdupq_n_s64(0), vdupq_n_s64(0) }; |
| |
| do { |
| int j = bw; |
| const int16_t *data_ptr = data; |
| do { |
| int16x8_t d0 = vld1q_s16(data_ptr); |
| int16x8_t d1 = vld1q_s16(data_ptr + 8); |
| |
| sum[0] = vpadalq_s16(sum[0], d0); |
| sum[1] = vpadalq_s16(sum[1], d1); |
| |
| sse[0] = aom_sdotq_s16(sse[0], d0, d0); |
| sse[1] = aom_sdotq_s16(sse[1], d1, d1); |
| |
| data_ptr += 16; |
| j -= 16; |
| } while (j != 0); |
| |
| data += stride; |
| } while (--bh != 0); |
| |
| *x_sum = vaddvq_s32(vaddq_s32(sum[0], sum[1])); |
| *x2_sum = vaddvq_s64(vaddq_s64(sse[0], sse[1])); |
| } |
| |
| void aom_get_blk_sse_sum_sve(const int16_t *data, int stride, int bw, int bh, |
| int *x_sum, int64_t *x2_sum) { |
| if (bw == 4) { |
| get_blk_sse_sum_4xh_sve(data, stride, bh, x_sum, x2_sum); |
| } else if (bw == 8) { |
| get_blk_sse_sum_8xh_sve(data, stride, bh, x_sum, x2_sum); |
| } else { |
| assert(bw % 16 == 0); |
| get_blk_sse_sum_large_sve(data, stride, bw, bh, x_sum, x2_sum); |
| } |
| } |