| /* |
| * 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 "aom_dsp/arm/aom_neon_sve_bridge.h" |
| #include "aom_dsp/arm/mem_neon.h" |
| #include "config/aom_dsp_rtcd.h" |
| |
| static INLINE uint64_t aom_sum_squares_2d_i16_4xh_sve(const int16_t *src, |
| int stride, int height) { |
| int64x2_t sum_squares = vdupq_n_s64(0); |
| |
| do { |
| int16x8_t s = vcombine_s16(vld1_s16(src), vld1_s16(src + stride)); |
| |
| sum_squares = aom_sdotq_s16(sum_squares, s, s); |
| |
| src += 2 * stride; |
| height -= 2; |
| } while (height != 0); |
| |
| return (uint64_t)vaddvq_s64(sum_squares); |
| } |
| |
| static INLINE uint64_t aom_sum_squares_2d_i16_8xh_sve(const int16_t *src, |
| int stride, int height) { |
| int64x2_t sum_squares[2] = { vdupq_n_s64(0), vdupq_n_s64(0) }; |
| |
| do { |
| int16x8_t s0 = vld1q_s16(src + 0 * stride); |
| int16x8_t s1 = vld1q_s16(src + 1 * stride); |
| |
| sum_squares[0] = aom_sdotq_s16(sum_squares[0], s0, s0); |
| sum_squares[1] = aom_sdotq_s16(sum_squares[1], s1, s1); |
| |
| src += 2 * stride; |
| height -= 2; |
| } while (height != 0); |
| |
| sum_squares[0] = vaddq_s64(sum_squares[0], sum_squares[1]); |
| return (uint64_t)vaddvq_s64(sum_squares[0]); |
| } |
| |
| static INLINE uint64_t aom_sum_squares_2d_i16_large_sve(const int16_t *src, |
| int stride, int width, |
| int height) { |
| int64x2_t sum_squares[2] = { vdupq_n_s64(0), vdupq_n_s64(0) }; |
| |
| do { |
| const int16_t *src_ptr = src; |
| int w = width; |
| do { |
| int16x8_t s0 = vld1q_s16(src_ptr); |
| int16x8_t s1 = vld1q_s16(src_ptr + 8); |
| |
| sum_squares[0] = aom_sdotq_s16(sum_squares[0], s0, s0); |
| sum_squares[1] = aom_sdotq_s16(sum_squares[1], s1, s1); |
| |
| src_ptr += 16; |
| w -= 16; |
| } while (w != 0); |
| |
| src += stride; |
| } while (--height != 0); |
| |
| sum_squares[0] = vaddq_s64(sum_squares[0], sum_squares[1]); |
| return (uint64_t)vaddvq_s64(sum_squares[0]); |
| } |
| |
| static INLINE uint64_t aom_sum_squares_2d_i16_wxh_sve(const int16_t *src, |
| int stride, int width, |
| int height) { |
| svint64_t sum_squares = svdup_n_s64(0); |
| uint64_t step = svcnth(); |
| |
| do { |
| const int16_t *src_ptr = src; |
| int w = 0; |
| do { |
| svbool_t pred = svwhilelt_b16_u32(w, width); |
| svint16_t s0 = svld1_s16(pred, src_ptr); |
| |
| sum_squares = svdot_s64(sum_squares, s0, s0); |
| |
| src_ptr += step; |
| w += step; |
| } while (w < width); |
| |
| src += stride; |
| } while (--height != 0); |
| |
| return (uint64_t)svaddv_s64(svptrue_b64(), sum_squares); |
| } |
| |
| uint64_t aom_sum_squares_2d_i16_sve(const int16_t *src, int stride, int width, |
| int height) { |
| if (width == 4) { |
| return aom_sum_squares_2d_i16_4xh_sve(src, stride, height); |
| } |
| if (width == 8) { |
| return aom_sum_squares_2d_i16_8xh_sve(src, stride, height); |
| } |
| if (width % 16 == 0) { |
| return aom_sum_squares_2d_i16_large_sve(src, stride, width, height); |
| } |
| return aom_sum_squares_2d_i16_wxh_sve(src, stride, width, height); |
| } |
| |
| uint64_t aom_sum_squares_i16_sve(const int16_t *src, uint32_t n) { |
| // This function seems to be called only for values of N >= 64. See |
| // av1/encoder/compound_type.c. Additionally, because N = width x height for |
| // width and height between the standard block sizes, N will also be a |
| // multiple of 64. |
| if (LIKELY(n % 64 == 0)) { |
| int64x2_t sum[4] = { vdupq_n_s64(0), vdupq_n_s64(0), vdupq_n_s64(0), |
| vdupq_n_s64(0) }; |
| |
| do { |
| int16x8_t s0 = vld1q_s16(src); |
| int16x8_t s1 = vld1q_s16(src + 8); |
| int16x8_t s2 = vld1q_s16(src + 16); |
| int16x8_t s3 = vld1q_s16(src + 24); |
| |
| sum[0] = aom_sdotq_s16(sum[0], s0, s0); |
| sum[1] = aom_sdotq_s16(sum[1], s1, s1); |
| sum[2] = aom_sdotq_s16(sum[2], s2, s2); |
| sum[3] = aom_sdotq_s16(sum[3], s3, s3); |
| |
| src += 32; |
| n -= 32; |
| } while (n != 0); |
| |
| sum[0] = vaddq_s64(sum[0], sum[1]); |
| sum[2] = vaddq_s64(sum[2], sum[3]); |
| sum[0] = vaddq_s64(sum[0], sum[2]); |
| return vaddvq_s64(sum[0]); |
| } |
| return aom_sum_squares_i16_c(src, n); |
| } |
| |
| static INLINE uint64_t aom_sum_sse_2d_i16_4xh_sve(const int16_t *src, |
| int stride, int height, |
| int *sum) { |
| int64x2_t sse = vdupq_n_s64(0); |
| int32x4_t sum_s32 = vdupq_n_s32(0); |
| |
| do { |
| int16x8_t s = vcombine_s16(vld1_s16(src), vld1_s16(src + stride)); |
| |
| sse = aom_sdotq_s16(sse, s, s); |
| |
| sum_s32 = vpadalq_s16(sum_s32, s); |
| |
| src += 2 * stride; |
| height -= 2; |
| } while (height != 0); |
| |
| *sum += vaddvq_s32(sum_s32); |
| return vaddvq_s64(sse); |
| } |
| |
| static INLINE uint64_t aom_sum_sse_2d_i16_8xh_sve(const int16_t *src, |
| int stride, int height, |
| int *sum) { |
| int64x2_t sse[2] = { vdupq_n_s64(0), vdupq_n_s64(0) }; |
| int32x4_t sum_acc[2] = { vdupq_n_s32(0), vdupq_n_s32(0) }; |
| |
| do { |
| int16x8_t s0 = vld1q_s16(src); |
| int16x8_t s1 = vld1q_s16(src + stride); |
| |
| sse[0] = aom_sdotq_s16(sse[0], s0, s0); |
| sse[1] = aom_sdotq_s16(sse[1], s1, s1); |
| |
| sum_acc[0] = vpadalq_s16(sum_acc[0], s0); |
| sum_acc[1] = vpadalq_s16(sum_acc[1], s1); |
| |
| src += 2 * stride; |
| height -= 2; |
| } while (height != 0); |
| |
| *sum += vaddvq_s32(vaddq_s32(sum_acc[0], sum_acc[1])); |
| return vaddvq_s64(vaddq_s64(sse[0], sse[1])); |
| } |
| |
| static INLINE uint64_t aom_sum_sse_2d_i16_16xh_sve(const int16_t *src, |
| int stride, int width, |
| int height, int *sum) { |
| int64x2_t sse[2] = { vdupq_n_s64(0), vdupq_n_s64(0) }; |
| int32x4_t sum_acc[2] = { vdupq_n_s32(0), vdupq_n_s32(0) }; |
| |
| do { |
| int w = 0; |
| do { |
| int16x8_t s0 = vld1q_s16(src + w); |
| int16x8_t s1 = vld1q_s16(src + w + 8); |
| |
| sse[0] = aom_sdotq_s16(sse[0], s0, s0); |
| sse[1] = aom_sdotq_s16(sse[1], s1, s1); |
| |
| sum_acc[0] = vpadalq_s16(sum_acc[0], s0); |
| sum_acc[1] = vpadalq_s16(sum_acc[1], s1); |
| |
| w += 16; |
| } while (w < width); |
| |
| src += stride; |
| } while (--height != 0); |
| |
| *sum += vaddvq_s32(vaddq_s32(sum_acc[0], sum_acc[1])); |
| return vaddvq_s64(vaddq_s64(sse[0], sse[1])); |
| } |
| |
| uint64_t aom_sum_sse_2d_i16_sve(const int16_t *src, int stride, int width, |
| int height, int *sum) { |
| uint64_t sse; |
| |
| if (width == 4) { |
| sse = aom_sum_sse_2d_i16_4xh_sve(src, stride, height, sum); |
| } else if (width == 8) { |
| sse = aom_sum_sse_2d_i16_8xh_sve(src, stride, height, sum); |
| } else if (width % 16 == 0) { |
| sse = aom_sum_sse_2d_i16_16xh_sve(src, stride, width, height, sum); |
| } else { |
| sse = aom_sum_sse_2d_i16_c(src, stride, width, height, sum); |
| } |
| |
| return sse; |
| } |
| |
| static INLINE uint64_t aom_var_2d_u16_4xh_sve(uint8_t *src, int src_stride, |
| int width, int height) { |
| uint16_t *src_u16 = CONVERT_TO_SHORTPTR(src); |
| uint64_t sum = 0; |
| uint64_t sse = 0; |
| uint32x4_t sum_u32 = vdupq_n_u32(0); |
| uint64x2_t sse_u64 = vdupq_n_u64(0); |
| |
| int h = height; |
| do { |
| uint16x8_t s0 = |
| vcombine_u16(vld1_u16(src_u16), vld1_u16(src_u16 + src_stride)); |
| |
| sum_u32 = vpadalq_u16(sum_u32, s0); |
| |
| sse_u64 = aom_udotq_u16(sse_u64, s0, s0); |
| |
| src_u16 += 2 * src_stride; |
| h -= 2; |
| } while (h != 0); |
| |
| sum += vaddlvq_u32(sum_u32); |
| sse += vaddvq_u64(sse_u64); |
| |
| return sse - sum * sum / (width * height); |
| } |
| |
| static INLINE uint64_t aom_var_2d_u16_8xh_sve(uint8_t *src, int src_stride, |
| int width, int height) { |
| uint16_t *src_u16 = CONVERT_TO_SHORTPTR(src); |
| uint64_t sum = 0; |
| uint64_t sse = 0; |
| uint32x4_t sum_u32 = vdupq_n_u32(0); |
| uint64x2_t sse_u64 = vdupq_n_u64(0); |
| |
| int h = height; |
| do { |
| int w = width; |
| uint16_t *src_ptr = src_u16; |
| do { |
| uint16x8_t s0 = vld1q_u16(src_ptr); |
| |
| sum_u32 = vpadalq_u16(sum_u32, s0); |
| |
| sse_u64 = aom_udotq_u16(sse_u64, s0, s0); |
| |
| src_ptr += 8; |
| w -= 8; |
| } while (w != 0); |
| |
| src_u16 += src_stride; |
| } while (--h != 0); |
| |
| sum += vaddlvq_u32(sum_u32); |
| sse += vaddvq_u64(sse_u64); |
| |
| return sse - sum * sum / (width * height); |
| } |
| |
| static INLINE uint64_t aom_var_2d_u16_16xh_sve(uint8_t *src, int src_stride, |
| int width, int height) { |
| uint16_t *src_u16 = CONVERT_TO_SHORTPTR(src); |
| uint64_t sum = 0; |
| uint64_t sse = 0; |
| uint32x4_t sum_u32[2] = { vdupq_n_u32(0), vdupq_n_u32(0) }; |
| uint64x2_t sse_u64[2] = { vdupq_n_u64(0), vdupq_n_u64(0) }; |
| |
| int h = height; |
| do { |
| int w = width; |
| uint16_t *src_ptr = src_u16; |
| do { |
| uint16x8_t s0 = vld1q_u16(src_ptr); |
| uint16x8_t s1 = vld1q_u16(src_ptr + 8); |
| |
| sum_u32[0] = vpadalq_u16(sum_u32[0], s0); |
| sum_u32[1] = vpadalq_u16(sum_u32[1], s1); |
| |
| sse_u64[0] = aom_udotq_u16(sse_u64[0], s0, s0); |
| sse_u64[1] = aom_udotq_u16(sse_u64[1], s1, s1); |
| |
| src_ptr += 16; |
| w -= 16; |
| } while (w != 0); |
| |
| src_u16 += src_stride; |
| } while (--h != 0); |
| |
| sum_u32[0] = vaddq_u32(sum_u32[0], sum_u32[1]); |
| sse_u64[0] = vaddq_u64(sse_u64[0], sse_u64[1]); |
| |
| sum += vaddlvq_u32(sum_u32[0]); |
| sse += vaddvq_u64(sse_u64[0]); |
| |
| return sse - sum * sum / (width * height); |
| } |
| |
| static INLINE uint64_t aom_var_2d_u16_large_sve(uint8_t *src, int src_stride, |
| int width, int height) { |
| uint16_t *src_u16 = CONVERT_TO_SHORTPTR(src); |
| uint64_t sum = 0; |
| uint64_t sse = 0; |
| uint32x4_t sum_u32[4] = { vdupq_n_u32(0), vdupq_n_u32(0), vdupq_n_u32(0), |
| vdupq_n_u32(0) }; |
| uint64x2_t sse_u64[4] = { vdupq_n_u64(0), vdupq_n_u64(0), vdupq_n_u64(0), |
| vdupq_n_u64(0) }; |
| |
| int h = height; |
| do { |
| int w = width; |
| uint16_t *src_ptr = src_u16; |
| do { |
| uint16x8_t s0 = vld1q_u16(src_ptr); |
| uint16x8_t s1 = vld1q_u16(src_ptr + 8); |
| uint16x8_t s2 = vld1q_u16(src_ptr + 16); |
| uint16x8_t s3 = vld1q_u16(src_ptr + 24); |
| |
| sum_u32[0] = vpadalq_u16(sum_u32[0], s0); |
| sum_u32[1] = vpadalq_u16(sum_u32[1], s1); |
| sum_u32[2] = vpadalq_u16(sum_u32[2], s2); |
| sum_u32[3] = vpadalq_u16(sum_u32[3], s3); |
| |
| sse_u64[0] = aom_udotq_u16(sse_u64[0], s0, s0); |
| sse_u64[1] = aom_udotq_u16(sse_u64[1], s1, s1); |
| sse_u64[2] = aom_udotq_u16(sse_u64[2], s2, s2); |
| sse_u64[3] = aom_udotq_u16(sse_u64[3], s3, s3); |
| |
| src_ptr += 32; |
| w -= 32; |
| } while (w != 0); |
| |
| src_u16 += src_stride; |
| } while (--h != 0); |
| |
| sum_u32[0] = vaddq_u32(sum_u32[0], sum_u32[1]); |
| sum_u32[2] = vaddq_u32(sum_u32[2], sum_u32[3]); |
| sum_u32[0] = vaddq_u32(sum_u32[0], sum_u32[2]); |
| sse_u64[0] = vaddq_u64(sse_u64[0], sse_u64[1]); |
| sse_u64[2] = vaddq_u64(sse_u64[2], sse_u64[3]); |
| sse_u64[0] = vaddq_u64(sse_u64[0], sse_u64[2]); |
| |
| sum += vaddlvq_u32(sum_u32[0]); |
| sse += vaddvq_u64(sse_u64[0]); |
| |
| return sse - sum * sum / (width * height); |
| } |
| |
| uint64_t aom_var_2d_u16_sve(uint8_t *src, int src_stride, int width, |
| int height) { |
| if (width == 4) { |
| return aom_var_2d_u16_4xh_sve(src, src_stride, width, height); |
| } |
| if (width == 8) { |
| return aom_var_2d_u16_8xh_sve(src, src_stride, width, height); |
| } |
| if (width == 16) { |
| return aom_var_2d_u16_16xh_sve(src, src_stride, width, height); |
| } |
| if (width % 32 == 0) { |
| return aom_var_2d_u16_large_sve(src, src_stride, width, height); |
| } |
| return aom_var_2d_u16_neon(src, src_stride, width, height); |
| } |
