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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/av1/common/arm/highbd_compound_convolve_sve2.c | 1555 |
1 files changed, 1555 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/arm/highbd_compound_convolve_sve2.c b/third_party/aom/av1/common/arm/highbd_compound_convolve_sve2.c new file mode 100644 index 0000000000..1d6c9b4faf --- /dev/null +++ b/third_party/aom/av1/common/arm/highbd_compound_convolve_sve2.c @@ -0,0 +1,1555 @@ +/* + * Copyright (c) 2024, 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 <assert.h> +#include <arm_neon.h> + +#include "config/aom_config.h" +#include "config/av1_rtcd.h" + +#include "aom_dsp/aom_dsp_common.h" +#include "aom_dsp/arm/aom_neon_sve_bridge.h" +#include "aom_dsp/arm/aom_neon_sve2_bridge.h" +#include "aom_dsp/arm/mem_neon.h" +#include "aom_ports/mem.h" +#include "av1/common/convolve.h" +#include "av1/common/filter.h" +#include "av1/common/filter.h" +#include "av1/common/arm/highbd_compound_convolve_neon.h" +#include "av1/common/arm/highbd_convolve_neon.h" +#include "av1/common/arm/highbd_convolve_sve2.h" + +DECLARE_ALIGNED(16, static const uint16_t, kDotProdTbl[32]) = { + 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6, + 4, 5, 6, 7, 5, 6, 7, 0, 6, 7, 0, 1, 7, 0, 1, 2, +}; + +static INLINE uint16x8_t highbd_12_convolve8_8_x(int16x8_t s0[8], + int16x8_t filter, + int64x2_t offset) { + int64x2_t sum[8]; + sum[0] = aom_sdotq_s16(offset, s0[0], filter); + sum[1] = aom_sdotq_s16(offset, s0[1], filter); + sum[2] = aom_sdotq_s16(offset, s0[2], filter); + sum[3] = aom_sdotq_s16(offset, s0[3], filter); + sum[4] = aom_sdotq_s16(offset, s0[4], filter); + sum[5] = aom_sdotq_s16(offset, s0[5], filter); + sum[6] = aom_sdotq_s16(offset, s0[6], filter); + sum[7] = aom_sdotq_s16(offset, s0[7], filter); + + sum[0] = vpaddq_s64(sum[0], sum[1]); + sum[2] = vpaddq_s64(sum[2], sum[3]); + sum[4] = vpaddq_s64(sum[4], sum[5]); + sum[6] = vpaddq_s64(sum[6], sum[7]); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum[0]), vmovn_s64(sum[2])); + int32x4_t sum4567 = vcombine_s32(vmovn_s64(sum[4]), vmovn_s64(sum[6])); + + return vcombine_u16(vqrshrun_n_s32(sum0123, ROUND0_BITS + 2), + vqrshrun_n_s32(sum4567, ROUND0_BITS + 2)); +} + +static INLINE void highbd_12_dist_wtd_convolve_x_8tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *x_filter_ptr) { + const int64x1_t offset_vec = + vcreate_s64((1 << (12 + FILTER_BITS)) + (1 << (12 + FILTER_BITS - 1))); + const int64x2_t offset_lo = vcombine_s64(offset_vec, vdup_n_s64(0)); + + const int16x8_t filter = vld1q_s16(x_filter_ptr); + + do { + const int16_t *s = (const int16_t *)src; + uint16_t *d = dst; + int w = width; + + do { + int16x8_t s0[8], s1[8], s2[8], s3[8]; + load_s16_8x8(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3], + &s0[4], &s0[5], &s0[6], &s0[7]); + load_s16_8x8(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3], + &s1[4], &s1[5], &s1[6], &s1[7]); + load_s16_8x8(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3], + &s2[4], &s2[5], &s2[6], &s2[7]); + load_s16_8x8(s + 3 * src_stride, 1, &s3[0], &s3[1], &s3[2], &s3[3], + &s3[4], &s3[5], &s3[6], &s3[7]); + + uint16x8_t d0 = highbd_12_convolve8_8_x(s0, filter, offset_lo); + uint16x8_t d1 = highbd_12_convolve8_8_x(s1, filter, offset_lo); + uint16x8_t d2 = highbd_12_convolve8_8_x(s2, filter, offset_lo); + uint16x8_t d3 = highbd_12_convolve8_8_x(s3, filter, offset_lo); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + s += 8; + d += 8; + w -= 8; + } while (w != 0); + src += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height != 0); +} + +static INLINE uint16x8_t highbd_convolve8_8_x(int16x8_t s0[8], int16x8_t filter, + int64x2_t offset) { + int64x2_t sum[8]; + sum[0] = aom_sdotq_s16(offset, s0[0], filter); + sum[1] = aom_sdotq_s16(offset, s0[1], filter); + sum[2] = aom_sdotq_s16(offset, s0[2], filter); + sum[3] = aom_sdotq_s16(offset, s0[3], filter); + sum[4] = aom_sdotq_s16(offset, s0[4], filter); + sum[5] = aom_sdotq_s16(offset, s0[5], filter); + sum[6] = aom_sdotq_s16(offset, s0[6], filter); + sum[7] = aom_sdotq_s16(offset, s0[7], filter); + + sum[0] = vpaddq_s64(sum[0], sum[1]); + sum[2] = vpaddq_s64(sum[2], sum[3]); + sum[4] = vpaddq_s64(sum[4], sum[5]); + sum[6] = vpaddq_s64(sum[6], sum[7]); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum[0]), vmovn_s64(sum[2])); + int32x4_t sum4567 = vcombine_s32(vmovn_s64(sum[4]), vmovn_s64(sum[6])); + + return vcombine_u16(vqrshrun_n_s32(sum0123, ROUND0_BITS), + vqrshrun_n_s32(sum4567, ROUND0_BITS)); +} + +static INLINE void highbd_dist_wtd_convolve_x_8tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *x_filter_ptr, const int bd) { + const int64x1_t offset_vec = + vcreate_s64((1 << (bd + FILTER_BITS)) + (1 << (bd + FILTER_BITS - 1))); + const int64x2_t offset_lo = vcombine_s64(offset_vec, vdup_n_s64(0)); + + const int16x8_t filter = vld1q_s16(x_filter_ptr); + + do { + const int16_t *s = (const int16_t *)src; + uint16_t *d = dst; + int w = width; + + do { + int16x8_t s0[8], s1[8], s2[8], s3[8]; + load_s16_8x8(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3], + &s0[4], &s0[5], &s0[6], &s0[7]); + load_s16_8x8(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3], + &s1[4], &s1[5], &s1[6], &s1[7]); + load_s16_8x8(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3], + &s2[4], &s2[5], &s2[6], &s2[7]); + load_s16_8x8(s + 3 * src_stride, 1, &s3[0], &s3[1], &s3[2], &s3[3], + &s3[4], &s3[5], &s3[6], &s3[7]); + + uint16x8_t d0 = highbd_convolve8_8_x(s0, filter, offset_lo); + uint16x8_t d1 = highbd_convolve8_8_x(s1, filter, offset_lo); + uint16x8_t d2 = highbd_convolve8_8_x(s2, filter, offset_lo); + uint16x8_t d3 = highbd_convolve8_8_x(s3, filter, offset_lo); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + s += 8; + d += 8; + w -= 8; + } while (w != 0); + src += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height != 0); +} + +// clang-format off +DECLARE_ALIGNED(16, static const uint16_t, kDeinterleaveTbl[8]) = { + 0, 2, 4, 6, 1, 3, 5, 7, +}; +// clang-format on + +static INLINE uint16x4_t highbd_12_convolve4_4_x(int16x8_t s0, int16x8_t filter, + int64x2_t offset, + uint16x8x2_t permute_tbl) { + int16x8_t permuted_samples0 = aom_tbl_s16(s0, permute_tbl.val[0]); + int16x8_t permuted_samples1 = aom_tbl_s16(s0, permute_tbl.val[1]); + + int64x2_t sum01 = aom_svdot_lane_s16(offset, permuted_samples0, filter, 0); + int64x2_t sum23 = aom_svdot_lane_s16(offset, permuted_samples1, filter, 0); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + + return vqrshrun_n_s32(sum0123, ROUND0_BITS + 2); +} + +static INLINE uint16x8_t highbd_12_convolve4_8_x(int16x8_t s0[4], + int16x8_t filter, + int64x2_t offset, + uint16x8_t tbl) { + int64x2_t sum04 = aom_svdot_lane_s16(offset, s0[0], filter, 0); + int64x2_t sum15 = aom_svdot_lane_s16(offset, s0[1], filter, 0); + int64x2_t sum26 = aom_svdot_lane_s16(offset, s0[2], filter, 0); + int64x2_t sum37 = aom_svdot_lane_s16(offset, s0[3], filter, 0); + + int32x4_t sum0415 = vcombine_s32(vmovn_s64(sum04), vmovn_s64(sum15)); + int32x4_t sum2637 = vcombine_s32(vmovn_s64(sum26), vmovn_s64(sum37)); + + uint16x8_t res = vcombine_u16(vqrshrun_n_s32(sum0415, ROUND0_BITS + 2), + vqrshrun_n_s32(sum2637, ROUND0_BITS + 2)); + return aom_tbl_u16(res, tbl); +} + +static INLINE void highbd_12_dist_wtd_convolve_x_4tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *x_filter_ptr) { + const int64x2_t offset = + vdupq_n_s64((1 << (12 + FILTER_BITS)) + (1 << (12 + FILTER_BITS - 1))); + + const int16x4_t x_filter = vld1_s16(x_filter_ptr + 2); + const int16x8_t filter = vcombine_s16(x_filter, vdup_n_s16(0)); + + if (width == 4) { + uint16x8x2_t permute_tbl = vld1q_u16_x2(kDotProdTbl); + + const int16_t *s = (const int16_t *)(src); + + do { + int16x8_t s0, s1, s2, s3; + load_s16_8x4(s, src_stride, &s0, &s1, &s2, &s3); + + uint16x4_t d0 = highbd_12_convolve4_4_x(s0, filter, offset, permute_tbl); + uint16x4_t d1 = highbd_12_convolve4_4_x(s1, filter, offset, permute_tbl); + uint16x4_t d2 = highbd_12_convolve4_4_x(s2, filter, offset, permute_tbl); + uint16x4_t d3 = highbd_12_convolve4_4_x(s3, filter, offset, permute_tbl); + + store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); + + s += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height != 0); + } else { + uint16x8_t idx = vld1q_u16(kDeinterleaveTbl); + + do { + const int16_t *s = (const int16_t *)(src); + uint16_t *d = dst; + int w = width; + + do { + int16x8_t s0[4], s1[4], s2[4], s3[4]; + load_s16_8x4(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3]); + load_s16_8x4(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3]); + load_s16_8x4(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3]); + load_s16_8x4(s + 3 * src_stride, 1, &s3[0], &s3[1], &s3[2], &s3[3]); + + uint16x8_t d0 = highbd_12_convolve4_8_x(s0, filter, offset, idx); + uint16x8_t d1 = highbd_12_convolve4_8_x(s1, filter, offset, idx); + uint16x8_t d2 = highbd_12_convolve4_8_x(s2, filter, offset, idx); + uint16x8_t d3 = highbd_12_convolve4_8_x(s3, filter, offset, idx); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + s += 8; + d += 8; + w -= 8; + } while (w != 0); + src += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height != 0); + } +} + +static INLINE uint16x4_t highbd_convolve4_4_x(int16x8_t s0, int16x8_t filter, + int64x2_t offset, + uint16x8x2_t permute_tbl) { + int16x8_t permuted_samples0 = aom_tbl_s16(s0, permute_tbl.val[0]); + int16x8_t permuted_samples1 = aom_tbl_s16(s0, permute_tbl.val[1]); + + int64x2_t sum01 = aom_svdot_lane_s16(offset, permuted_samples0, filter, 0); + int64x2_t sum23 = aom_svdot_lane_s16(offset, permuted_samples1, filter, 0); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + + return vqrshrun_n_s32(sum0123, ROUND0_BITS); +} + +static INLINE uint16x8_t highbd_convolve4_8_x(int16x8_t s0[4], int16x8_t filter, + int64x2_t offset, + uint16x8_t tbl) { + int64x2_t sum04 = aom_svdot_lane_s16(offset, s0[0], filter, 0); + int64x2_t sum15 = aom_svdot_lane_s16(offset, s0[1], filter, 0); + int64x2_t sum26 = aom_svdot_lane_s16(offset, s0[2], filter, 0); + int64x2_t sum37 = aom_svdot_lane_s16(offset, s0[3], filter, 0); + + int32x4_t sum0415 = vcombine_s32(vmovn_s64(sum04), vmovn_s64(sum15)); + int32x4_t sum2637 = vcombine_s32(vmovn_s64(sum26), vmovn_s64(sum37)); + + uint16x8_t res = vcombine_u16(vqrshrun_n_s32(sum0415, ROUND0_BITS), + vqrshrun_n_s32(sum2637, ROUND0_BITS)); + return aom_tbl_u16(res, tbl); +} + +static INLINE void highbd_dist_wtd_convolve_x_4tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *x_filter_ptr, const int bd) { + const int64x2_t offset = + vdupq_n_s64((1 << (bd + FILTER_BITS)) + (1 << (bd + FILTER_BITS - 1))); + + const int16x4_t x_filter = vld1_s16(x_filter_ptr + 2); + const int16x8_t filter = vcombine_s16(x_filter, vdup_n_s16(0)); + + if (width == 4) { + uint16x8x2_t permute_tbl = vld1q_u16_x2(kDotProdTbl); + + const int16_t *s = (const int16_t *)(src); + + do { + int16x8_t s0, s1, s2, s3; + load_s16_8x4(s, src_stride, &s0, &s1, &s2, &s3); + + uint16x4_t d0 = highbd_convolve4_4_x(s0, filter, offset, permute_tbl); + uint16x4_t d1 = highbd_convolve4_4_x(s1, filter, offset, permute_tbl); + uint16x4_t d2 = highbd_convolve4_4_x(s2, filter, offset, permute_tbl); + uint16x4_t d3 = highbd_convolve4_4_x(s3, filter, offset, permute_tbl); + + store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); + + s += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height != 0); + } else { + uint16x8_t idx = vld1q_u16(kDeinterleaveTbl); + + do { + const int16_t *s = (const int16_t *)(src); + uint16_t *d = dst; + int w = width; + + do { + int16x8_t s0[4], s1[4], s2[4], s3[4]; + load_s16_8x4(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3]); + load_s16_8x4(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3]); + load_s16_8x4(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3]); + load_s16_8x4(s + 3 * src_stride, 1, &s3[0], &s3[1], &s3[2], &s3[3]); + + uint16x8_t d0 = highbd_convolve4_8_x(s0, filter, offset, idx); + uint16x8_t d1 = highbd_convolve4_8_x(s1, filter, offset, idx); + uint16x8_t d2 = highbd_convolve4_8_x(s2, filter, offset, idx); + uint16x8_t d3 = highbd_convolve4_8_x(s3, filter, offset, idx); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + s += 8; + d += 8; + w -= 8; + } while (w != 0); + src += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height != 0); + } +} + +void av1_highbd_dist_wtd_convolve_x_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, int w, + int h, const InterpFilterParams *filter_params_x, const int subpel_x_qn, + ConvolveParams *conv_params, int bd) { + DECLARE_ALIGNED(16, uint16_t, + im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * MAX_SB_SIZE]); + CONV_BUF_TYPE *dst16 = conv_params->dst; + const int x_filter_taps = get_filter_tap(filter_params_x, subpel_x_qn); + + if (x_filter_taps == 6) { + av1_highbd_dist_wtd_convolve_x_neon(src, src_stride, dst, dst_stride, w, h, + filter_params_x, subpel_x_qn, + conv_params, bd); + return; + } + + int dst16_stride = conv_params->dst_stride; + const int im_stride = MAX_SB_SIZE; + const int horiz_offset = filter_params_x->taps / 2 - 1; + assert(FILTER_BITS == COMPOUND_ROUND1_BITS); + + const int16_t *x_filter_ptr = av1_get_interp_filter_subpel_kernel( + filter_params_x, subpel_x_qn & SUBPEL_MASK); + + src -= horiz_offset; + + if (bd == 12) { + if (conv_params->do_average) { + if (x_filter_taps <= 4) { + highbd_12_dist_wtd_convolve_x_4tap_sve2(src + 2, src_stride, im_block, + im_stride, w, h, x_filter_ptr); + } else { + highbd_12_dist_wtd_convolve_x_8tap_sve2(src, src_stride, im_block, + im_stride, w, h, x_filter_ptr); + } + + if (conv_params->use_dist_wtd_comp_avg) { + highbd_12_dist_wtd_comp_avg_neon(im_block, im_stride, dst, dst_stride, + w, h, conv_params); + + } else { + highbd_12_comp_avg_neon(im_block, im_stride, dst, dst_stride, w, h, + conv_params); + } + } else { + if (x_filter_taps <= 4) { + highbd_12_dist_wtd_convolve_x_4tap_sve2( + src + 2, src_stride, dst16, dst16_stride, w, h, x_filter_ptr); + } else { + highbd_12_dist_wtd_convolve_x_8tap_sve2( + src, src_stride, dst16, dst16_stride, w, h, x_filter_ptr); + } + } + } else { + if (conv_params->do_average) { + if (x_filter_taps <= 4) { + highbd_dist_wtd_convolve_x_4tap_sve2(src + 2, src_stride, im_block, + im_stride, w, h, x_filter_ptr, bd); + } else { + highbd_dist_wtd_convolve_x_8tap_sve2(src, src_stride, im_block, + im_stride, w, h, x_filter_ptr, bd); + } + + if (conv_params->use_dist_wtd_comp_avg) { + highbd_dist_wtd_comp_avg_neon(im_block, im_stride, dst, dst_stride, w, + h, conv_params, bd); + } else { + highbd_comp_avg_neon(im_block, im_stride, dst, dst_stride, w, h, + conv_params, bd); + } + } else { + if (x_filter_taps <= 4) { + highbd_dist_wtd_convolve_x_4tap_sve2( + src + 2, src_stride, dst16, dst16_stride, w, h, x_filter_ptr, bd); + } else { + highbd_dist_wtd_convolve_x_8tap_sve2( + src, src_stride, dst16, dst16_stride, w, h, x_filter_ptr, bd); + } + } + } +} + +static INLINE uint16x4_t highbd_12_convolve8_4_y(int16x8_t samples_lo[2], + int16x8_t samples_hi[2], + int16x8_t filter, + int64x2_t offset) { + int64x2_t sum01 = aom_svdot_lane_s16(offset, samples_lo[0], filter, 0); + sum01 = aom_svdot_lane_s16(sum01, samples_hi[0], filter, 1); + + int64x2_t sum23 = aom_svdot_lane_s16(offset, samples_lo[1], filter, 0); + sum23 = aom_svdot_lane_s16(sum23, samples_hi[1], filter, 1); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + + return vqrshrun_n_s32(sum0123, ROUND0_BITS + 2); +} + +static INLINE uint16x8_t highbd_12_convolve8_8_y(int16x8_t samples_lo[4], + int16x8_t samples_hi[4], + int16x8_t filter, + int64x2_t offset) { + int64x2_t sum01 = aom_svdot_lane_s16(offset, samples_lo[0], filter, 0); + sum01 = aom_svdot_lane_s16(sum01, samples_hi[0], filter, 1); + + int64x2_t sum23 = aom_svdot_lane_s16(offset, samples_lo[1], filter, 0); + sum23 = aom_svdot_lane_s16(sum23, samples_hi[1], filter, 1); + + int64x2_t sum45 = aom_svdot_lane_s16(offset, samples_lo[2], filter, 0); + sum45 = aom_svdot_lane_s16(sum45, samples_hi[2], filter, 1); + + int64x2_t sum67 = aom_svdot_lane_s16(offset, samples_lo[3], filter, 0); + sum67 = aom_svdot_lane_s16(sum67, samples_hi[3], filter, 1); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + int32x4_t sum4567 = vcombine_s32(vmovn_s64(sum45), vmovn_s64(sum67)); + + return vcombine_u16(vqrshrun_n_s32(sum0123, ROUND0_BITS + 2), + vqrshrun_n_s32(sum4567, ROUND0_BITS + 2)); +} + +static INLINE void highbd_12_dist_wtd_convolve_y_8tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *y_filter_ptr) { + const int64x2_t offset = + vdupq_n_s64((1 << (12 + FILTER_BITS)) + (1 << (12 + FILTER_BITS - 1))); + const int16x8_t y_filter = vld1q_s16(y_filter_ptr); + + uint16x8x3_t merge_block_tbl = vld1q_u16_x3(kDotProdMergeBlockTbl); + // Scale indices by size of the true vector length to avoid reading from an + // 'undefined' portion of a vector on a system with SVE vectors > 128-bit. + uint16x8_t correction0 = + vreinterpretq_u16_u64(vdupq_n_u64(svcnth() * 0x0001000000000000ULL)); + merge_block_tbl.val[0] = vaddq_u16(merge_block_tbl.val[0], correction0); + uint16x8_t correction1 = + vreinterpretq_u16_u64(vdupq_n_u64(svcnth() * 0x0001000100000000ULL)); + merge_block_tbl.val[1] = vaddq_u16(merge_block_tbl.val[1], correction1); + + uint16x8_t correction2 = + vreinterpretq_u16_u64(vdupq_n_u64(svcnth() * 0x0001000100010000ULL)); + merge_block_tbl.val[2] = vaddq_u16(merge_block_tbl.val[2], correction2); + + if (width == 4) { + int16_t *s = (int16_t *)src; + int16x4_t s0, s1, s2, s3, s4, s5, s6; + load_s16_4x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6); + s += 7 * src_stride; + + // This operation combines a conventional transpose and the sample permute + // required before computing the dot product. + int16x8_t s0123[2], s1234[2], s2345[2], s3456[2]; + transpose_concat_4x4(s0, s1, s2, s3, s0123); + transpose_concat_4x4(s1, s2, s3, s4, s1234); + transpose_concat_4x4(s2, s3, s4, s5, s2345); + transpose_concat_4x4(s3, s4, s5, s6, s3456); + + do { + int16x4_t s7, s8, s9, s10; + load_s16_4x4(s, src_stride, &s7, &s8, &s9, &s10); + + int16x8_t s4567[2], s5678[2], s6789[2], s789A[2]; + // Transpose and shuffle the 4 lines that were loaded. + transpose_concat_4x4(s7, s8, s9, s10, s789A); + + // Merge new data into block from previous iteration. + aom_tbl2x2_s16(s3456, s789A, merge_block_tbl.val[0], s4567); + aom_tbl2x2_s16(s3456, s789A, merge_block_tbl.val[1], s5678); + aom_tbl2x2_s16(s3456, s789A, merge_block_tbl.val[2], s6789); + + uint16x4_t d0 = highbd_12_convolve8_4_y(s0123, s4567, y_filter, offset); + uint16x4_t d1 = highbd_12_convolve8_4_y(s1234, s5678, y_filter, offset); + uint16x4_t d2 = highbd_12_convolve8_4_y(s2345, s6789, y_filter, offset); + uint16x4_t d3 = highbd_12_convolve8_4_y(s3456, s789A, y_filter, offset); + + store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); + + // Prepare block for next iteration - re-using as much as possible. + // Shuffle everything up four rows. + s0123[0] = s4567[0]; + s0123[1] = s4567[1]; + s1234[0] = s5678[0]; + s1234[1] = s5678[1]; + s2345[0] = s6789[0]; + s2345[1] = s6789[1]; + s3456[0] = s789A[0]; + s3456[1] = s789A[1]; + + s += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height != 0); + } else { + do { + int h = height; + int16_t *s = (int16_t *)src; + uint16_t *d = dst; + + int16x8_t s0, s1, s2, s3, s4, s5, s6; + load_s16_8x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6); + s += 7 * src_stride; + + // This operation combines a conventional transpose and the sample permute + // required before computing the dot product. + int16x8_t s0123[4], s1234[4], s2345[4], s3456[4]; + transpose_concat_8x4(s0, s1, s2, s3, s0123); + transpose_concat_8x4(s1, s2, s3, s4, s1234); + transpose_concat_8x4(s2, s3, s4, s5, s2345); + transpose_concat_8x4(s3, s4, s5, s6, s3456); + + do { + int16x8_t s7, s8, s9, s10; + load_s16_8x4(s, src_stride, &s7, &s8, &s9, &s10); + int16x8_t s4567[4], s5678[4], s6789[4], s789A[4]; + + // Transpose and shuffle the 4 lines that were loaded. + transpose_concat_8x4(s7, s8, s9, s10, s789A); + + // Merge new data into block from previous iteration. + aom_tbl2x4_s16(s3456, s789A, merge_block_tbl.val[0], s4567); + aom_tbl2x4_s16(s3456, s789A, merge_block_tbl.val[1], s5678); + aom_tbl2x4_s16(s3456, s789A, merge_block_tbl.val[2], s6789); + + uint16x8_t d0 = highbd_12_convolve8_8_y(s0123, s4567, y_filter, offset); + uint16x8_t d1 = highbd_12_convolve8_8_y(s1234, s5678, y_filter, offset); + uint16x8_t d2 = highbd_12_convolve8_8_y(s2345, s6789, y_filter, offset); + uint16x8_t d3 = highbd_12_convolve8_8_y(s3456, s789A, y_filter, offset); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + // Prepare block for next iteration - re-using as much as possible. + // Shuffle everything up four rows. + s0123[0] = s4567[0]; + s0123[1] = s4567[1]; + s0123[2] = s4567[2]; + s0123[3] = s4567[3]; + s1234[0] = s5678[0]; + s1234[1] = s5678[1]; + s1234[2] = s5678[2]; + s1234[3] = s5678[3]; + s2345[0] = s6789[0]; + s2345[1] = s6789[1]; + s2345[2] = s6789[2]; + s2345[3] = s6789[3]; + s3456[0] = s789A[0]; + s3456[1] = s789A[1]; + s3456[2] = s789A[2]; + s3456[3] = s789A[3]; + + s += 4 * src_stride; + d += 4 * dst_stride; + h -= 4; + } while (h != 0); + src += 8; + dst += 8; + width -= 8; + } while (width != 0); + } +} + +static INLINE uint16x4_t highbd_convolve8_4_y(int16x8_t samples_lo[2], + int16x8_t samples_hi[2], + int16x8_t filter, + int64x2_t offset) { + int64x2_t sum01 = aom_svdot_lane_s16(offset, samples_lo[0], filter, 0); + sum01 = aom_svdot_lane_s16(sum01, samples_hi[0], filter, 1); + + int64x2_t sum23 = aom_svdot_lane_s16(offset, samples_lo[1], filter, 0); + sum23 = aom_svdot_lane_s16(sum23, samples_hi[1], filter, 1); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + + return vqrshrun_n_s32(sum0123, ROUND0_BITS); +} + +static INLINE uint16x8_t highbd_convolve8_8_y(int16x8_t samples_lo[4], + int16x8_t samples_hi[4], + int16x8_t filter, + int64x2_t offset) { + int64x2_t sum01 = aom_svdot_lane_s16(offset, samples_lo[0], filter, 0); + sum01 = aom_svdot_lane_s16(sum01, samples_hi[0], filter, 1); + + int64x2_t sum23 = aom_svdot_lane_s16(offset, samples_lo[1], filter, 0); + sum23 = aom_svdot_lane_s16(sum23, samples_hi[1], filter, 1); + + int64x2_t sum45 = aom_svdot_lane_s16(offset, samples_lo[2], filter, 0); + sum45 = aom_svdot_lane_s16(sum45, samples_hi[2], filter, 1); + + int64x2_t sum67 = aom_svdot_lane_s16(offset, samples_lo[3], filter, 0); + sum67 = aom_svdot_lane_s16(sum67, samples_hi[3], filter, 1); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + int32x4_t sum4567 = vcombine_s32(vmovn_s64(sum45), vmovn_s64(sum67)); + + return vcombine_u16(vqrshrun_n_s32(sum0123, ROUND0_BITS), + vqrshrun_n_s32(sum4567, ROUND0_BITS)); +} + +static INLINE void highbd_dist_wtd_convolve_y_8tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *y_filter_ptr, const int bd) { + const int64x2_t offset = + vdupq_n_s64((1 << (bd + FILTER_BITS)) + (1 << (bd + FILTER_BITS - 1))); + const int16x8_t y_filter = vld1q_s16(y_filter_ptr); + + uint16x8x3_t merge_block_tbl = vld1q_u16_x3(kDotProdMergeBlockTbl); + // Scale indices by size of the true vector length to avoid reading from an + // 'undefined' portion of a vector on a system with SVE vectors > 128-bit. + uint16x8_t correction0 = + vreinterpretq_u16_u64(vdupq_n_u64(svcnth() * 0x0001000000000000ULL)); + merge_block_tbl.val[0] = vaddq_u16(merge_block_tbl.val[0], correction0); + uint16x8_t correction1 = + vreinterpretq_u16_u64(vdupq_n_u64(svcnth() * 0x0001000100000000ULL)); + merge_block_tbl.val[1] = vaddq_u16(merge_block_tbl.val[1], correction1); + + uint16x8_t correction2 = + vreinterpretq_u16_u64(vdupq_n_u64(svcnth() * 0x0001000100010000ULL)); + merge_block_tbl.val[2] = vaddq_u16(merge_block_tbl.val[2], correction2); + + if (width == 4) { + int16_t *s = (int16_t *)src; + int16x4_t s0, s1, s2, s3, s4, s5, s6; + load_s16_4x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6); + s += 7 * src_stride; + + // This operation combines a conventional transpose and the sample permute + // required before computing the dot product. + int16x8_t s0123[2], s1234[2], s2345[2], s3456[2]; + transpose_concat_4x4(s0, s1, s2, s3, s0123); + transpose_concat_4x4(s1, s2, s3, s4, s1234); + transpose_concat_4x4(s2, s3, s4, s5, s2345); + transpose_concat_4x4(s3, s4, s5, s6, s3456); + + do { + int16x4_t s7, s8, s9, s10; + load_s16_4x4(s, src_stride, &s7, &s8, &s9, &s10); + + int16x8_t s4567[2], s5678[2], s6789[2], s789A[2]; + // Transpose and shuffle the 4 lines that were loaded. + transpose_concat_4x4(s7, s8, s9, s10, s789A); + + // Merge new data into block from previous iteration. + aom_tbl2x2_s16(s3456, s789A, merge_block_tbl.val[0], s4567); + aom_tbl2x2_s16(s3456, s789A, merge_block_tbl.val[1], s5678); + aom_tbl2x2_s16(s3456, s789A, merge_block_tbl.val[2], s6789); + + uint16x4_t d0 = highbd_convolve8_4_y(s0123, s4567, y_filter, offset); + uint16x4_t d1 = highbd_convolve8_4_y(s1234, s5678, y_filter, offset); + uint16x4_t d2 = highbd_convolve8_4_y(s2345, s6789, y_filter, offset); + uint16x4_t d3 = highbd_convolve8_4_y(s3456, s789A, y_filter, offset); + + store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); + + // Prepare block for next iteration - re-using as much as possible. + // Shuffle everything up four rows. + s0123[0] = s4567[0]; + s0123[1] = s4567[1]; + s1234[0] = s5678[0]; + s1234[1] = s5678[1]; + s2345[0] = s6789[0]; + s2345[1] = s6789[1]; + s3456[0] = s789A[0]; + s3456[1] = s789A[1]; + + s += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height != 0); + } else { + do { + int h = height; + int16_t *s = (int16_t *)src; + uint16_t *d = dst; + + int16x8_t s0, s1, s2, s3, s4, s5, s6; + load_s16_8x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6); + s += 7 * src_stride; + + // This operation combines a conventional transpose and the sample permute + // required before computing the dot product. + int16x8_t s0123[4], s1234[4], s2345[4], s3456[4]; + transpose_concat_8x4(s0, s1, s2, s3, s0123); + transpose_concat_8x4(s1, s2, s3, s4, s1234); + transpose_concat_8x4(s2, s3, s4, s5, s2345); + transpose_concat_8x4(s3, s4, s5, s6, s3456); + + do { + int16x8_t s7, s8, s9, s10; + load_s16_8x4(s, src_stride, &s7, &s8, &s9, &s10); + int16x8_t s4567[4], s5678[4], s6789[4], s789A[4]; + + // Transpose and shuffle the 4 lines that were loaded. + transpose_concat_8x4(s7, s8, s9, s10, s789A); + + // Merge new data into block from previous iteration. + aom_tbl2x4_s16(s3456, s789A, merge_block_tbl.val[0], s4567); + aom_tbl2x4_s16(s3456, s789A, merge_block_tbl.val[1], s5678); + aom_tbl2x4_s16(s3456, s789A, merge_block_tbl.val[2], s6789); + + uint16x8_t d0 = highbd_convolve8_8_y(s0123, s4567, y_filter, offset); + uint16x8_t d1 = highbd_convolve8_8_y(s1234, s5678, y_filter, offset); + uint16x8_t d2 = highbd_convolve8_8_y(s2345, s6789, y_filter, offset); + uint16x8_t d3 = highbd_convolve8_8_y(s3456, s789A, y_filter, offset); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + // Prepare block for next iteration - re-using as much as possible. + // Shuffle everything up four rows. + s0123[0] = s4567[0]; + s0123[1] = s4567[1]; + s0123[2] = s4567[2]; + s0123[3] = s4567[3]; + s1234[0] = s5678[0]; + s1234[1] = s5678[1]; + s1234[2] = s5678[2]; + s1234[3] = s5678[3]; + s2345[0] = s6789[0]; + s2345[1] = s6789[1]; + s2345[2] = s6789[2]; + s2345[3] = s6789[3]; + s3456[0] = s789A[0]; + s3456[1] = s789A[1]; + s3456[2] = s789A[2]; + s3456[3] = s789A[3]; + + s += 4 * src_stride; + d += 4 * dst_stride; + h -= 4; + } while (h != 0); + src += 8; + dst += 8; + width -= 8; + } while (width != 0); + } +} + +void av1_highbd_dist_wtd_convolve_y_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, int w, + int h, const InterpFilterParams *filter_params_y, const int subpel_y_qn, + ConvolveParams *conv_params, int bd) { + DECLARE_ALIGNED(16, uint16_t, + im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * MAX_SB_SIZE]); + CONV_BUF_TYPE *dst16 = conv_params->dst; + const int y_filter_taps = get_filter_tap(filter_params_y, subpel_y_qn); + + if (y_filter_taps != 8) { + av1_highbd_dist_wtd_convolve_y_neon(src, src_stride, dst, dst_stride, w, h, + filter_params_y, subpel_y_qn, + conv_params, bd); + return; + } + + int dst16_stride = conv_params->dst_stride; + const int im_stride = MAX_SB_SIZE; + const int vert_offset = filter_params_y->taps / 2 - 1; + assert(FILTER_BITS == COMPOUND_ROUND1_BITS); + + const int16_t *y_filter_ptr = av1_get_interp_filter_subpel_kernel( + filter_params_y, subpel_y_qn & SUBPEL_MASK); + + src -= vert_offset * src_stride; + + if (bd == 12) { + if (conv_params->do_average) { + highbd_12_dist_wtd_convolve_y_8tap_sve2(src, src_stride, im_block, + im_stride, w, h, y_filter_ptr); + if (conv_params->use_dist_wtd_comp_avg) { + highbd_12_dist_wtd_comp_avg_neon(im_block, im_stride, dst, dst_stride, + w, h, conv_params); + } else { + highbd_12_comp_avg_neon(im_block, im_stride, dst, dst_stride, w, h, + conv_params); + } + } else { + highbd_12_dist_wtd_convolve_y_8tap_sve2(src, src_stride, dst16, + dst16_stride, w, h, y_filter_ptr); + } + } else { + if (conv_params->do_average) { + highbd_dist_wtd_convolve_y_8tap_sve2(src, src_stride, im_block, im_stride, + w, h, y_filter_ptr, bd); + if (conv_params->use_dist_wtd_comp_avg) { + highbd_dist_wtd_comp_avg_neon(im_block, im_stride, dst, dst_stride, w, + h, conv_params, bd); + } else { + highbd_comp_avg_neon(im_block, im_stride, dst, dst_stride, w, h, + conv_params, bd); + } + } else { + highbd_dist_wtd_convolve_y_8tap_sve2(src, src_stride, dst16, dst16_stride, + w, h, y_filter_ptr, bd); + } + } +} + +static INLINE void highbd_12_dist_wtd_convolve_2d_horiz_8tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *x_filter_ptr) { + const int64x2_t offset = vdupq_n_s64(1 << (12 + FILTER_BITS - 2)); + const int16x8_t filter = vld1q_s16(x_filter_ptr); + + // We are only doing 8-tap and 4-tap vertical convolutions, therefore we know + // that im_h % 4 = 3, so we can do the loop across the whole block 4 rows at + // a time and then process the last 3 rows separately. + + do { + const int16_t *s = (const int16_t *)src; + uint16_t *d = dst; + int w = width; + + do { + int16x8_t s0[8], s1[8], s2[8], s3[8]; + load_s16_8x8(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3], + &s0[4], &s0[5], &s0[6], &s0[7]); + load_s16_8x8(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3], + &s1[4], &s1[5], &s1[6], &s1[7]); + load_s16_8x8(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3], + &s2[4], &s2[5], &s2[6], &s2[7]); + load_s16_8x8(s + 3 * src_stride, 1, &s3[0], &s3[1], &s3[2], &s3[3], + &s3[4], &s3[5], &s3[6], &s3[7]); + + uint16x8_t d0 = highbd_12_convolve8_8_x(s0, filter, offset); + uint16x8_t d1 = highbd_12_convolve8_8_x(s1, filter, offset); + uint16x8_t d2 = highbd_12_convolve8_8_x(s2, filter, offset); + uint16x8_t d3 = highbd_12_convolve8_8_x(s3, filter, offset); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + s += 8; + d += 8; + w -= 8; + } while (w != 0); + src += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height > 4); + + // Process final 3 rows. + const int16_t *s = (const int16_t *)src; + do { + int16x8_t s0[8], s1[8], s2[8]; + load_s16_8x8(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3], &s0[4], + &s0[5], &s0[6], &s0[7]); + load_s16_8x8(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3], &s1[4], + &s1[5], &s1[6], &s1[7]); + load_s16_8x8(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3], &s2[4], + &s2[5], &s2[6], &s2[7]); + + uint16x8_t d0 = highbd_12_convolve8_8_x(s0, filter, offset); + uint16x8_t d1 = highbd_12_convolve8_8_x(s1, filter, offset); + uint16x8_t d2 = highbd_12_convolve8_8_x(s2, filter, offset); + + store_u16_8x3(dst, dst_stride, d0, d1, d2); + s += 8; + dst += 8; + width -= 8; + } while (width != 0); +} + +static INLINE void highbd_dist_wtd_convolve_2d_horiz_8tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *x_filter_ptr, const int bd) { + const int64x2_t offset = vdupq_n_s64(1 << (bd + FILTER_BITS - 2)); + const int16x8_t filter = vld1q_s16(x_filter_ptr); + + // We are only doing 8-tap and 4-tap vertical convolutions, therefore we know + // that im_h % 4 = 3, so we can do the loop across the whole block 4 rows at + // a time and then process the last 3 rows separately. + + do { + const int16_t *s = (const int16_t *)src; + uint16_t *d = dst; + int w = width; + + do { + int16x8_t s0[8], s1[8], s2[8], s3[8]; + load_s16_8x8(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3], + &s0[4], &s0[5], &s0[6], &s0[7]); + load_s16_8x8(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3], + &s1[4], &s1[5], &s1[6], &s1[7]); + load_s16_8x8(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3], + &s2[4], &s2[5], &s2[6], &s2[7]); + load_s16_8x8(s + 3 * src_stride, 1, &s3[0], &s3[1], &s3[2], &s3[3], + &s3[4], &s3[5], &s3[6], &s3[7]); + + uint16x8_t d0 = highbd_convolve8_8_x(s0, filter, offset); + uint16x8_t d1 = highbd_convolve8_8_x(s1, filter, offset); + uint16x8_t d2 = highbd_convolve8_8_x(s2, filter, offset); + uint16x8_t d3 = highbd_convolve8_8_x(s3, filter, offset); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + s += 8; + d += 8; + w -= 8; + } while (w != 0); + src += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height > 4); + + // Process final 3 rows. + const int16_t *s = (const int16_t *)src; + do { + int16x8_t s0[8], s1[8], s2[8]; + load_s16_8x8(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3], &s0[4], + &s0[5], &s0[6], &s0[7]); + load_s16_8x8(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3], &s1[4], + &s1[5], &s1[6], &s1[7]); + load_s16_8x8(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3], &s2[4], + &s2[5], &s2[6], &s2[7]); + + uint16x8_t d0 = highbd_convolve8_8_x(s0, filter, offset); + uint16x8_t d1 = highbd_convolve8_8_x(s1, filter, offset); + uint16x8_t d2 = highbd_convolve8_8_x(s2, filter, offset); + + store_u16_8x3(dst, dst_stride, d0, d1, d2); + s += 8; + dst += 8; + width -= 8; + } while (width != 0); +} + +static INLINE void highbd_12_dist_wtd_convolve_2d_horiz_4tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *x_filter_ptr) { + const int64x2_t offset = vdupq_n_s64(1 << (12 + FILTER_BITS - 1)); + const int16x4_t x_filter = vld1_s16(x_filter_ptr + 2); + const int16x8_t filter = vcombine_s16(x_filter, vdup_n_s16(0)); + + // We are only doing 8-tap and 4-tap vertical convolutions, therefore we know + // that im_h % 4 = 3, so we can do the loop across the whole block 4 rows at + // a time and then process the last 3 rows separately. + + if (width == 4) { + uint16x8x2_t permute_tbl = vld1q_u16_x2(kDotProdTbl); + + const int16_t *s = (const int16_t *)(src); + + do { + int16x8_t s0, s1, s2, s3; + load_s16_8x4(s, src_stride, &s0, &s1, &s2, &s3); + + uint16x4_t d0 = highbd_12_convolve4_4_x(s0, filter, offset, permute_tbl); + uint16x4_t d1 = highbd_12_convolve4_4_x(s1, filter, offset, permute_tbl); + uint16x4_t d2 = highbd_12_convolve4_4_x(s2, filter, offset, permute_tbl); + uint16x4_t d3 = highbd_12_convolve4_4_x(s3, filter, offset, permute_tbl); + + store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); + + s += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height > 4); + + // Process final 3 rows. + int16x8_t s0, s1, s2; + load_s16_8x3(s, src_stride, &s0, &s1, &s2); + + uint16x4_t d0 = highbd_12_convolve4_4_x(s0, filter, offset, permute_tbl); + uint16x4_t d1 = highbd_12_convolve4_4_x(s1, filter, offset, permute_tbl); + uint16x4_t d2 = highbd_12_convolve4_4_x(s2, filter, offset, permute_tbl); + + store_u16_4x3(dst, dst_stride, d0, d1, d2); + + } else { + uint16x8_t idx = vld1q_u16(kDeinterleaveTbl); + + do { + const int16_t *s = (const int16_t *)(src); + uint16_t *d = dst; + int w = width; + + do { + int16x8_t s0[4], s1[4], s2[4], s3[4]; + load_s16_8x4(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3]); + load_s16_8x4(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3]); + load_s16_8x4(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3]); + load_s16_8x4(s + 3 * src_stride, 1, &s3[0], &s3[1], &s3[2], &s3[3]); + + uint16x8_t d0 = highbd_12_convolve4_8_x(s0, filter, offset, idx); + uint16x8_t d1 = highbd_12_convolve4_8_x(s1, filter, offset, idx); + uint16x8_t d2 = highbd_12_convolve4_8_x(s2, filter, offset, idx); + uint16x8_t d3 = highbd_12_convolve4_8_x(s3, filter, offset, idx); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + s += 8; + d += 8; + w -= 8; + } while (w != 0); + src += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height > 4); + + // Process final 3 rows. + const int16_t *s = (const int16_t *)(src); + + do { + int16x8_t s0[4], s1[4], s2[4]; + load_s16_8x4(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3]); + load_s16_8x4(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3]); + load_s16_8x4(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3]); + + uint16x8_t d0 = highbd_12_convolve4_8_x(s0, filter, offset, idx); + uint16x8_t d1 = highbd_12_convolve4_8_x(s1, filter, offset, idx); + uint16x8_t d2 = highbd_12_convolve4_8_x(s2, filter, offset, idx); + + store_u16_8x3(dst, dst_stride, d0, d1, d2); + + s += 8; + dst += 8; + width -= 8; + } while (width != 0); + } +} + +static INLINE void highbd_dist_wtd_convolve_2d_horiz_4tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *x_filter_ptr, const int bd) { + const int64x2_t offset = vdupq_n_s64(1 << (bd + FILTER_BITS - 1)); + const int16x4_t x_filter = vld1_s16(x_filter_ptr + 2); + const int16x8_t filter = vcombine_s16(x_filter, vdup_n_s16(0)); + + // We are only doing 8-tap and 4-tap vertical convolutions, therefore we know + // that im_h % 4 = 3, so we can do the loop across the whole block 4 rows at + // a time and then process the last 3 rows separately. + + if (width == 4) { + uint16x8x2_t permute_tbl = vld1q_u16_x2(kDotProdTbl); + + const int16_t *s = (const int16_t *)(src); + + do { + int16x8_t s0, s1, s2, s3; + load_s16_8x4(s, src_stride, &s0, &s1, &s2, &s3); + + uint16x4_t d0 = highbd_convolve4_4_x(s0, filter, offset, permute_tbl); + uint16x4_t d1 = highbd_convolve4_4_x(s1, filter, offset, permute_tbl); + uint16x4_t d2 = highbd_convolve4_4_x(s2, filter, offset, permute_tbl); + uint16x4_t d3 = highbd_convolve4_4_x(s3, filter, offset, permute_tbl); + + store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); + + s += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height > 4); + + // Process final 3 rows. + int16x8_t s0, s1, s2; + load_s16_8x3(s, src_stride, &s0, &s1, &s2); + + uint16x4_t d0 = highbd_convolve4_4_x(s0, filter, offset, permute_tbl); + uint16x4_t d1 = highbd_convolve4_4_x(s1, filter, offset, permute_tbl); + uint16x4_t d2 = highbd_convolve4_4_x(s2, filter, offset, permute_tbl); + + store_u16_4x3(dst, dst_stride, d0, d1, d2); + } else { + uint16x8_t idx = vld1q_u16(kDeinterleaveTbl); + + do { + const int16_t *s = (const int16_t *)(src); + uint16_t *d = dst; + int w = width; + + do { + int16x8_t s0[4], s1[4], s2[4], s3[4]; + load_s16_8x4(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3]); + load_s16_8x4(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3]); + load_s16_8x4(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3]); + load_s16_8x4(s + 3 * src_stride, 1, &s3[0], &s3[1], &s3[2], &s3[3]); + + uint16x8_t d0 = highbd_convolve4_8_x(s0, filter, offset, idx); + uint16x8_t d1 = highbd_convolve4_8_x(s1, filter, offset, idx); + uint16x8_t d2 = highbd_convolve4_8_x(s2, filter, offset, idx); + uint16x8_t d3 = highbd_convolve4_8_x(s3, filter, offset, idx); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + s += 8; + d += 8; + w -= 8; + } while (w != 0); + src += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height > 4); + + // Process final 3 rows. + const int16_t *s = (const int16_t *)(src); + + do { + int16x8_t s0[4], s1[4], s2[4]; + load_s16_8x4(s + 0 * src_stride, 1, &s0[0], &s0[1], &s0[2], &s0[3]); + load_s16_8x4(s + 1 * src_stride, 1, &s1[0], &s1[1], &s1[2], &s1[3]); + load_s16_8x4(s + 2 * src_stride, 1, &s2[0], &s2[1], &s2[2], &s2[3]); + + uint16x8_t d0 = highbd_convolve4_8_x(s0, filter, offset, idx); + uint16x8_t d1 = highbd_convolve4_8_x(s1, filter, offset, idx); + uint16x8_t d2 = highbd_convolve4_8_x(s2, filter, offset, idx); + + store_u16_8x3(dst, dst_stride, d0, d1, d2); + + s += 8; + dst += 8; + width -= 8; + } while (width != 0); + } +} + +static INLINE uint16x4_t highbd_convolve8_4_2d_v(int16x8_t samples_lo[2], + int16x8_t samples_hi[2], + int16x8_t filter, + int64x2_t offset) { + int64x2_t sum01 = aom_svdot_lane_s16(offset, samples_lo[0], filter, 0); + sum01 = aom_svdot_lane_s16(sum01, samples_hi[0], filter, 1); + + int64x2_t sum23 = aom_svdot_lane_s16(offset, samples_lo[1], filter, 0); + sum23 = aom_svdot_lane_s16(sum23, samples_hi[1], filter, 1); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + + return vqrshrun_n_s32(sum0123, COMPOUND_ROUND1_BITS); +} + +static INLINE uint16x8_t highbd_convolve8_8_2d_v(int16x8_t samples_lo[4], + int16x8_t samples_hi[4], + int16x8_t filter, + int64x2_t offset) { + int64x2_t sum01 = aom_svdot_lane_s16(offset, samples_lo[0], filter, 0); + sum01 = aom_svdot_lane_s16(sum01, samples_hi[0], filter, 1); + + int64x2_t sum23 = aom_svdot_lane_s16(offset, samples_lo[1], filter, 0); + sum23 = aom_svdot_lane_s16(sum23, samples_hi[1], filter, 1); + + int64x2_t sum45 = aom_svdot_lane_s16(offset, samples_lo[2], filter, 0); + sum45 = aom_svdot_lane_s16(sum45, samples_hi[2], filter, 1); + + int64x2_t sum67 = aom_svdot_lane_s16(offset, samples_lo[3], filter, 0); + sum67 = aom_svdot_lane_s16(sum67, samples_hi[3], filter, 1); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + int32x4_t sum4567 = vcombine_s32(vmovn_s64(sum45), vmovn_s64(sum67)); + + return vcombine_u16(vqrshrun_n_s32(sum0123, COMPOUND_ROUND1_BITS), + vqrshrun_n_s32(sum4567, COMPOUND_ROUND1_BITS)); +} + +static INLINE void highbd_dist_wtd_convolve_2d_vert_8tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *y_filter_ptr, int offset) { + const int16x8_t y_filter = vld1q_s16(y_filter_ptr); + const int64x2_t offset_s64 = vdupq_n_s64(offset); + + uint16x8x3_t merge_block_tbl = vld1q_u16_x3(kDotProdMergeBlockTbl); + // Scale indices by size of the true vector length to avoid reading from an + // 'undefined' portion of a vector on a system with SVE vectors > 128-bit. + uint16x8_t correction0 = + vreinterpretq_u16_u64(vdupq_n_u64(svcnth() * 0x0001000000000000ULL)); + merge_block_tbl.val[0] = vaddq_u16(merge_block_tbl.val[0], correction0); + + uint16x8_t correction1 = + vreinterpretq_u16_u64(vdupq_n_u64(svcnth() * 0x0001000100000000ULL)); + merge_block_tbl.val[1] = vaddq_u16(merge_block_tbl.val[1], correction1); + + uint16x8_t correction2 = + vreinterpretq_u16_u64(vdupq_n_u64(svcnth() * 0x0001000100010000ULL)); + merge_block_tbl.val[2] = vaddq_u16(merge_block_tbl.val[2], correction2); + + if (width == 4) { + int16_t *s = (int16_t *)src; + int16x4_t s0, s1, s2, s3, s4, s5, s6; + load_s16_4x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6); + s += 7 * src_stride; + + // This operation combines a conventional transpose and the sample permute + // required before computing the dot product. + int16x8_t s0123[2], s1234[2], s2345[2], s3456[2]; + transpose_concat_4x4(s0, s1, s2, s3, s0123); + transpose_concat_4x4(s1, s2, s3, s4, s1234); + transpose_concat_4x4(s2, s3, s4, s5, s2345); + transpose_concat_4x4(s3, s4, s5, s6, s3456); + + do { + int16x4_t s7, s8, s9, s10; + load_s16_4x4(s, src_stride, &s7, &s8, &s9, &s10); + + int16x8_t s4567[2], s5678[2], s6789[2], s789A[2]; + // Transpose and shuffle the 4 lines that were loaded. + transpose_concat_4x4(s7, s8, s9, s10, s789A); + + // Merge new data into block from previous iteration. + aom_tbl2x2_s16(s3456, s789A, merge_block_tbl.val[0], s4567); + aom_tbl2x2_s16(s3456, s789A, merge_block_tbl.val[1], s5678); + aom_tbl2x2_s16(s3456, s789A, merge_block_tbl.val[2], s6789); + + uint16x4_t d0 = + highbd_convolve8_4_2d_v(s0123, s4567, y_filter, offset_s64); + uint16x4_t d1 = + highbd_convolve8_4_2d_v(s1234, s5678, y_filter, offset_s64); + uint16x4_t d2 = + highbd_convolve8_4_2d_v(s2345, s6789, y_filter, offset_s64); + uint16x4_t d3 = + highbd_convolve8_4_2d_v(s3456, s789A, y_filter, offset_s64); + + store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); + + // Prepare block for next iteration - re-using as much as possible. + // Shuffle everything up four rows. + s0123[0] = s4567[0]; + s0123[1] = s4567[1]; + s1234[0] = s5678[0]; + s1234[1] = s5678[1]; + s2345[0] = s6789[0]; + s2345[1] = s6789[1]; + s3456[0] = s789A[0]; + s3456[1] = s789A[1]; + + s += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height != 0); + } else { + do { + int h = height; + int16_t *s = (int16_t *)src; + uint16_t *d = dst; + + int16x8_t s0, s1, s2, s3, s4, s5, s6; + load_s16_8x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6); + s += 7 * src_stride; + + // This operation combines a conventional transpose and the sample permute + // required before computing the dot product. + int16x8_t s0123[4], s1234[4], s2345[4], s3456[4]; + transpose_concat_8x4(s0, s1, s2, s3, s0123); + transpose_concat_8x4(s1, s2, s3, s4, s1234); + transpose_concat_8x4(s2, s3, s4, s5, s2345); + transpose_concat_8x4(s3, s4, s5, s6, s3456); + + do { + int16x8_t s7, s8, s9, s10; + load_s16_8x4(s, src_stride, &s7, &s8, &s9, &s10); + int16x8_t s4567[4], s5678[4], s6789[4], s789A[4]; + + // Transpose and shuffle the 4 lines that were loaded. + transpose_concat_8x4(s7, s8, s9, s10, s789A); + + // Merge new data into block from previous iteration. + aom_tbl2x4_s16(s3456, s789A, merge_block_tbl.val[0], s4567); + aom_tbl2x4_s16(s3456, s789A, merge_block_tbl.val[1], s5678); + aom_tbl2x4_s16(s3456, s789A, merge_block_tbl.val[2], s6789); + + uint16x8_t d0 = + highbd_convolve8_8_2d_v(s0123, s4567, y_filter, offset_s64); + uint16x8_t d1 = + highbd_convolve8_8_2d_v(s1234, s5678, y_filter, offset_s64); + uint16x8_t d2 = + highbd_convolve8_8_2d_v(s2345, s6789, y_filter, offset_s64); + uint16x8_t d3 = + highbd_convolve8_8_2d_v(s3456, s789A, y_filter, offset_s64); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + // Prepare block for next iteration - re-using as much as possible. + // Shuffle everything up four rows. + s0123[0] = s4567[0]; + s0123[1] = s4567[1]; + s0123[2] = s4567[2]; + s0123[3] = s4567[3]; + s1234[0] = s5678[0]; + s1234[1] = s5678[1]; + s1234[2] = s5678[2]; + s1234[3] = s5678[3]; + s2345[0] = s6789[0]; + s2345[1] = s6789[1]; + s2345[2] = s6789[2]; + s2345[3] = s6789[3]; + s3456[0] = s789A[0]; + s3456[1] = s789A[1]; + s3456[2] = s789A[2]; + s3456[3] = s789A[3]; + + s += 4 * src_stride; + d += 4 * dst_stride; + h -= 4; + } while (h != 0); + src += 8; + dst += 8; + width -= 8; + } while (width != 0); + } +} + +static INLINE uint16x4_t highbd_convolve4_4_2d_v( + const int16x4_t s0, const int16x4_t s1, const int16x4_t s2, + const int16x4_t s3, const int16x4_t filter, const int32x4_t offset) { + int32x4_t sum = vmlal_lane_s16(offset, s0, filter, 0); + sum = vmlal_lane_s16(sum, s1, filter, 1); + sum = vmlal_lane_s16(sum, s2, filter, 2); + sum = vmlal_lane_s16(sum, s3, filter, 3); + + return vqrshrun_n_s32(sum, COMPOUND_ROUND1_BITS); +} + +static INLINE uint16x8_t highbd_convolve4_8_2d_v( + const int16x8_t s0, const int16x8_t s1, const int16x8_t s2, + const int16x8_t s3, const int16x4_t filter, const int32x4_t offset) { + int32x4_t sum0 = vmlal_lane_s16(offset, vget_low_s16(s0), filter, 0); + sum0 = vmlal_lane_s16(sum0, vget_low_s16(s1), filter, 1); + sum0 = vmlal_lane_s16(sum0, vget_low_s16(s2), filter, 2); + sum0 = vmlal_lane_s16(sum0, vget_low_s16(s3), filter, 3); + + int32x4_t sum1 = vmlal_lane_s16(offset, vget_high_s16(s0), filter, 0); + sum1 = vmlal_lane_s16(sum1, vget_high_s16(s1), filter, 1); + sum1 = vmlal_lane_s16(sum1, vget_high_s16(s2), filter, 2); + sum1 = vmlal_lane_s16(sum1, vget_high_s16(s3), filter, 3); + + return vcombine_u16(vqrshrun_n_s32(sum0, COMPOUND_ROUND1_BITS), + vqrshrun_n_s32(sum1, COMPOUND_ROUND1_BITS)); +} + +static INLINE void highbd_dist_wtd_convolve_2d_vert_4tap_neon( + const uint16_t *src_ptr, int src_stride, uint16_t *dst_ptr, int dst_stride, + int w, int h, const int16_t *y_filter_ptr, const int offset) { + const int16x4_t y_filter = vld1_s16(y_filter_ptr + 2); + const int32x4_t offset_vec = vdupq_n_s32(offset); + + if (w == 4) { + const int16_t *s = (const int16_t *)src_ptr; + uint16_t *d = dst_ptr; + + int16x4_t s0, s1, s2; + load_s16_4x3(s, src_stride, &s0, &s1, &s2); + s += 3 * src_stride; + + do { + int16x4_t s3, s4, s5, s6; + load_s16_4x4(s, src_stride, &s3, &s4, &s5, &s6); + + uint16x4_t d0 = + highbd_convolve4_4_2d_v(s0, s1, s2, s3, y_filter, offset_vec); + uint16x4_t d1 = + highbd_convolve4_4_2d_v(s1, s2, s3, s4, y_filter, offset_vec); + uint16x4_t d2 = + highbd_convolve4_4_2d_v(s2, s3, s4, s5, y_filter, offset_vec); + uint16x4_t d3 = + highbd_convolve4_4_2d_v(s3, s4, s5, s6, y_filter, offset_vec); + + store_u16_4x4(d, dst_stride, d0, d1, d2, d3); + + s0 = s4; + s1 = s5; + s2 = s6; + + s += 4 * src_stride; + d += 4 * dst_stride; + h -= 4; + } while (h != 0); + } else { + do { + int height = h; + const int16_t *s = (const int16_t *)src_ptr; + uint16_t *d = dst_ptr; + + int16x8_t s0, s1, s2; + load_s16_8x3(s, src_stride, &s0, &s1, &s2); + s += 3 * src_stride; + + do { + int16x8_t s3, s4, s5, s6; + load_s16_8x4(s, src_stride, &s3, &s4, &s5, &s6); + + uint16x8_t d0 = + highbd_convolve4_8_2d_v(s0, s1, s2, s3, y_filter, offset_vec); + uint16x8_t d1 = + highbd_convolve4_8_2d_v(s1, s2, s3, s4, y_filter, offset_vec); + uint16x8_t d2 = + highbd_convolve4_8_2d_v(s2, s3, s4, s5, y_filter, offset_vec); + uint16x8_t d3 = + highbd_convolve4_8_2d_v(s3, s4, s5, s6, y_filter, offset_vec); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + s0 = s4; + s1 = s5; + s2 = s6; + + s += 4 * src_stride; + d += 4 * dst_stride; + height -= 4; + } while (height != 0); + src_ptr += 8; + dst_ptr += 8; + w -= 8; + } while (w != 0); + } +} + +void av1_highbd_dist_wtd_convolve_2d_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, int w, + int h, const InterpFilterParams *filter_params_x, + const InterpFilterParams *filter_params_y, const int subpel_x_qn, + const int subpel_y_qn, ConvolveParams *conv_params, int bd) { + DECLARE_ALIGNED(16, uint16_t, + im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * MAX_SB_SIZE]); + DECLARE_ALIGNED(16, uint16_t, + im_block2[(MAX_SB_SIZE + MAX_FILTER_TAP) * MAX_SB_SIZE]); + + CONV_BUF_TYPE *dst16 = conv_params->dst; + int dst16_stride = conv_params->dst_stride; + const int x_filter_taps = get_filter_tap(filter_params_x, subpel_x_qn); + const int clamped_x_taps = x_filter_taps < 4 ? 4 : x_filter_taps; + + const int y_filter_taps = get_filter_tap(filter_params_y, subpel_y_qn); + const int clamped_y_taps = y_filter_taps < 4 ? 4 : y_filter_taps; + + if (x_filter_taps == 6 || y_filter_taps == 6) { + av1_highbd_dist_wtd_convolve_2d_neon( + src, src_stride, dst, dst_stride, w, h, filter_params_x, + filter_params_y, subpel_x_qn, subpel_y_qn, conv_params, bd); + return; + } + + const int im_h = h + clamped_y_taps - 1; + const int im_stride = MAX_SB_SIZE; + const int vert_offset = clamped_y_taps / 2 - 1; + const int horiz_offset = clamped_x_taps / 2 - 1; + const int y_offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0; + const int round_offset_conv_y = (1 << y_offset_bits); + + const uint16_t *src_ptr = src - vert_offset * src_stride - horiz_offset; + + const int16_t *x_filter_ptr = av1_get_interp_filter_subpel_kernel( + filter_params_x, subpel_x_qn & SUBPEL_MASK); + const int16_t *y_filter_ptr = av1_get_interp_filter_subpel_kernel( + filter_params_y, subpel_y_qn & SUBPEL_MASK); + + if (bd == 12) { + if (x_filter_taps <= 4) { + highbd_12_dist_wtd_convolve_2d_horiz_4tap_sve2( + src_ptr, src_stride, im_block, im_stride, w, im_h, x_filter_ptr); + } else { + highbd_12_dist_wtd_convolve_2d_horiz_8tap_sve2( + src_ptr, src_stride, im_block, im_stride, w, im_h, x_filter_ptr); + } + } else { + if (x_filter_taps <= 4) { + highbd_dist_wtd_convolve_2d_horiz_4tap_sve2( + src_ptr, src_stride, im_block, im_stride, w, im_h, x_filter_ptr, bd); + } else { + highbd_dist_wtd_convolve_2d_horiz_8tap_sve2( + src_ptr, src_stride, im_block, im_stride, w, im_h, x_filter_ptr, bd); + } + } + + if (conv_params->do_average) { + if (y_filter_taps <= 4) { + highbd_dist_wtd_convolve_2d_vert_4tap_neon(im_block, im_stride, im_block2, + im_stride, w, h, y_filter_ptr, + round_offset_conv_y); + } else { + highbd_dist_wtd_convolve_2d_vert_8tap_sve2(im_block, im_stride, im_block2, + im_stride, w, h, y_filter_ptr, + round_offset_conv_y); + } + if (conv_params->use_dist_wtd_comp_avg) { + if (bd == 12) { + highbd_12_dist_wtd_comp_avg_neon(im_block2, im_stride, dst, dst_stride, + w, h, conv_params); + + } else { + highbd_dist_wtd_comp_avg_neon(im_block2, im_stride, dst, dst_stride, w, + h, conv_params, bd); + } + } else { + if (bd == 12) { + highbd_12_comp_avg_neon(im_block2, im_stride, dst, dst_stride, w, h, + conv_params); + + } else { + highbd_comp_avg_neon(im_block2, im_stride, dst, dst_stride, w, h, + conv_params, bd); + } + } + } else { + if (y_filter_taps <= 4) { + highbd_dist_wtd_convolve_2d_vert_4tap_neon( + im_block, im_stride, dst16, dst16_stride, w, h, y_filter_ptr, + round_offset_conv_y); + } else { + highbd_dist_wtd_convolve_2d_vert_8tap_sve2( + im_block, im_stride, dst16, dst16_stride, w, h, y_filter_ptr, + round_offset_conv_y); + } + } +} |