diff options
Diffstat (limited to 'third_party/aom/av1/common/arm/highbd_convolve_sve2.c')
-rw-r--r-- | third_party/aom/av1/common/arm/highbd_convolve_sve2.c | 1720 |
1 files changed, 1720 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/arm/highbd_convolve_sve2.c b/third_party/aom/av1/common/arm/highbd_convolve_sve2.c new file mode 100644 index 0000000000..82eb12fcea --- /dev/null +++ b/third_party/aom/av1/common/arm/highbd_convolve_sve2.c @@ -0,0 +1,1720 @@ +/* + * 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/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 uint16x4_t convolve12_4_x( + int16x8_t s0, int16x8_t s1, int16x8_t filter_0_7, int16x8_t filter_4_11, + const int64x2_t offset, uint16x8x4_t permute_tbl, uint16x4_t max) { + int16x8_t permuted_samples[6]; + permuted_samples[0] = aom_tbl_s16(s0, permute_tbl.val[0]); + permuted_samples[1] = aom_tbl_s16(s0, permute_tbl.val[1]); + permuted_samples[2] = aom_tbl2_s16(s0, s1, permute_tbl.val[2]); + permuted_samples[3] = aom_tbl2_s16(s0, s1, permute_tbl.val[3]); + permuted_samples[4] = aom_tbl_s16(s1, permute_tbl.val[0]); + permuted_samples[5] = aom_tbl_s16(s1, permute_tbl.val[1]); + + int64x2_t sum01 = + aom_svdot_lane_s16(offset, permuted_samples[0], filter_0_7, 0); + sum01 = aom_svdot_lane_s16(sum01, permuted_samples[2], filter_0_7, 1); + sum01 = aom_svdot_lane_s16(sum01, permuted_samples[4], filter_4_11, 1); + + int64x2_t sum23 = + aom_svdot_lane_s16(offset, permuted_samples[1], filter_0_7, 0); + sum23 = aom_svdot_lane_s16(sum23, permuted_samples[3], filter_0_7, 1); + sum23 = aom_svdot_lane_s16(sum23, permuted_samples[5], filter_4_11, 1); + + int32x4_t res0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + uint16x4_t res = vqrshrun_n_s32(res0123, FILTER_BITS); + + return vmin_u16(res, max); +} + +static INLINE uint16x8_t convolve12_8_x(int16x8_t s0, int16x8_t s1, + int16x8_t s2, int16x8_t filter_0_7, + int16x8_t filter_4_11, int64x2_t offset, + uint16x8x4_t permute_tbl, + uint16x8_t max) { + int16x8_t permuted_samples[8]; + permuted_samples[0] = aom_tbl_s16(s0, permute_tbl.val[0]); + permuted_samples[1] = aom_tbl_s16(s0, permute_tbl.val[1]); + permuted_samples[2] = aom_tbl2_s16(s0, s1, permute_tbl.val[2]); + permuted_samples[3] = aom_tbl2_s16(s0, s1, permute_tbl.val[3]); + permuted_samples[4] = aom_tbl_s16(s1, permute_tbl.val[0]); + permuted_samples[5] = aom_tbl_s16(s1, permute_tbl.val[1]); + permuted_samples[6] = aom_tbl2_s16(s1, s2, permute_tbl.val[2]); + permuted_samples[7] = aom_tbl2_s16(s1, s2, permute_tbl.val[3]); + + int64x2_t sum01 = + aom_svdot_lane_s16(offset, permuted_samples[0], filter_0_7, 0); + sum01 = aom_svdot_lane_s16(sum01, permuted_samples[2], filter_0_7, 1); + sum01 = aom_svdot_lane_s16(sum01, permuted_samples[4], filter_4_11, 1); + + int64x2_t sum23 = + aom_svdot_lane_s16(offset, permuted_samples[1], filter_0_7, 0); + sum23 = aom_svdot_lane_s16(sum23, permuted_samples[3], filter_0_7, 1); + sum23 = aom_svdot_lane_s16(sum23, permuted_samples[5], filter_4_11, 1); + + int64x2_t sum45 = + aom_svdot_lane_s16(offset, permuted_samples[2], filter_0_7, 0); + sum45 = aom_svdot_lane_s16(sum45, permuted_samples[4], filter_0_7, 1); + sum45 = aom_svdot_lane_s16(sum45, permuted_samples[6], filter_4_11, 1); + + int64x2_t sum67 = + aom_svdot_lane_s16(offset, permuted_samples[3], filter_0_7, 0); + sum67 = aom_svdot_lane_s16(sum67, permuted_samples[5], filter_0_7, 1); + sum67 = aom_svdot_lane_s16(sum67, permuted_samples[7], filter_4_11, 1); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + int32x4_t sum4567 = vcombine_s32(vmovn_s64(sum45), vmovn_s64(sum67)); + + uint16x8_t res = vcombine_u16(vqrshrun_n_s32(sum0123, FILTER_BITS), + vqrshrun_n_s32(sum4567, FILTER_BITS)); + + return vminq_u16(res, max); +} + +static INLINE void highbd_convolve_x_sr_12tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *y_filter_ptr, + ConvolveParams *conv_params, int bd) { + // This shim allows to do only one rounding shift instead of two. + const int64x2_t offset = vdupq_n_s64(1 << (conv_params->round_0 - 1)); + + const int16x8_t y_filter_0_7 = vld1q_s16(y_filter_ptr); + const int16x8_t y_filter_4_11 = vld1q_s16(y_filter_ptr + 4); + + uint16x8x4_t permute_tbl = vld1q_u16_x4(kDotProdTbl); + // 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(vcombine_u64( + vdup_n_u64(0), vdup_n_u64(svcnth() * 0x0001000000000000ULL))); + permute_tbl.val[2] = vaddq_u16(permute_tbl.val[2], correction0); + + uint16x8_t correction1 = vreinterpretq_u16_u64( + vcombine_u64(vdup_n_u64(svcnth() * 0x0001000100000000ULL), + vdup_n_u64(svcnth() * 0x0001000100010000ULL))); + permute_tbl.val[3] = vaddq_u16(permute_tbl.val[3], correction1); + + if (width == 4) { + const uint16x4_t max = vdup_n_u16((1 << bd) - 1); + const int16_t *s = (const int16_t *)src; + + do { + int16x8_t s0, s1, s2, s3, s4, s5, s6, s7; + load_s16_8x4(s, src_stride, &s0, &s2, &s4, &s6); + load_s16_8x4(s + 8, src_stride, &s1, &s3, &s5, &s7); + + uint16x4_t d0 = convolve12_4_x(s0, s1, y_filter_0_7, y_filter_4_11, + offset, permute_tbl, max); + uint16x4_t d1 = convolve12_4_x(s2, s3, y_filter_0_7, y_filter_4_11, + offset, permute_tbl, max); + uint16x4_t d2 = convolve12_4_x(s4, s5, y_filter_0_7, y_filter_4_11, + offset, permute_tbl, max); + uint16x4_t d3 = convolve12_4_x(s6, s7, y_filter_0_7, y_filter_4_11, + offset, permute_tbl, max); + + store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); + + s += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height != 0); + } else { + const uint16x8_t max = vdupq_n_u16((1 << bd) - 1); + + do { + const int16_t *s = (const int16_t *)src; + uint16_t *d = dst; + int w = width; + + do { + int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11; + load_s16_8x4(s, src_stride, &s0, &s3, &s6, &s9); + load_s16_8x4(s + 8, src_stride, &s1, &s4, &s7, &s10); + load_s16_8x4(s + 16, src_stride, &s2, &s5, &s8, &s11); + + uint16x8_t d0 = convolve12_8_x(s0, s1, s2, y_filter_0_7, y_filter_4_11, + offset, permute_tbl, max); + uint16x8_t d1 = convolve12_8_x(s3, s4, s5, y_filter_0_7, y_filter_4_11, + offset, permute_tbl, max); + uint16x8_t d2 = convolve12_8_x(s6, s7, s8, y_filter_0_7, y_filter_4_11, + offset, permute_tbl, max); + uint16x8_t d3 = convolve12_8_x(s9, s10, s11, y_filter_0_7, + y_filter_4_11, offset, permute_tbl, max); + + 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 convolve8_8_x(int16x8_t s0[8], int16x8_t filter, + int64x2_t offset, uint16x8_t max) { + 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])); + + uint16x8_t res = vcombine_u16(vqrshrun_n_s32(sum0123, FILTER_BITS), + vqrshrun_n_s32(sum4567, FILTER_BITS)); + + return vminq_u16(res, max); +} + +static INLINE void highbd_convolve_x_sr_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, + ConvolveParams *conv_params, int bd) { + const uint16x8_t max = vdupq_n_u16((1 << bd) - 1); + // This shim allows to do only one rounding shift instead of two. + const int64_t offset = 1 << (conv_params->round_0 - 1); + const int64x2_t offset_lo = vcombine_s64((int64x1_t)(offset), vdup_n_s64(0)); + + const int16x8_t filter = vld1q_s16(y_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 = convolve8_8_x(s0, filter, offset_lo, max); + uint16x8_t d1 = convolve8_8_x(s1, filter, offset_lo, max); + uint16x8_t d2 = convolve8_8_x(s2, filter, offset_lo, max); + uint16x8_t d3 = convolve8_8_x(s3, filter, offset_lo, max); + + 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 convolve4_4_x(int16x8_t s0, int16x8_t filter, + int64x2_t offset, + uint16x8x2_t permute_tbl, + uint16x4_t max) { + 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)); + uint16x4_t res = vqrshrun_n_s32(sum0123, FILTER_BITS); + + return vmin_u16(res, max); +} + +static INLINE uint16x8_t convolve4_8_x(int16x8_t s0[4], int16x8_t filter, + int64x2_t offset, uint16x8_t tbl, + uint16x8_t max) { + 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, FILTER_BITS), + vqrshrun_n_s32(sum2637, FILTER_BITS)); + res = aom_tbl_u16(res, tbl); + + return vminq_u16(res, max); +} + +static INLINE void highbd_convolve_x_sr_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, + ConvolveParams *conv_params, int bd) { + // This shim allows to do only one rounding shift instead of two. + const int64x2_t offset = vdupq_n_s64(1 << (conv_params->round_0 - 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) { + const uint16x4_t max = vdup_n_u16((1 << bd) - 1); + 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 = convolve4_4_x(s0, filter, offset, permute_tbl, max); + uint16x4_t d1 = convolve4_4_x(s1, filter, offset, permute_tbl, max); + uint16x4_t d2 = convolve4_4_x(s2, filter, offset, permute_tbl, max); + uint16x4_t d3 = convolve4_4_x(s3, filter, offset, permute_tbl, max); + + store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); + + s += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height != 0); + } else { + const uint16x8_t max = vdupq_n_u16((1 << bd) - 1); + 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 = convolve4_8_x(s0, filter, offset, idx, max); + uint16x8_t d1 = convolve4_8_x(s1, filter, offset, idx, max); + uint16x8_t d2 = convolve4_8_x(s2, filter, offset, idx, max); + uint16x8_t d3 = convolve4_8_x(s3, filter, offset, idx, max); + + 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_convolve_x_sr_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) { + if (w == 2 || h == 2) { + av1_highbd_convolve_x_sr_c(src, src_stride, dst, dst_stride, w, h, + filter_params_x, subpel_x_qn, conv_params, bd); + return; + } + + const int x_filter_taps = get_filter_tap(filter_params_x, subpel_x_qn); + + if (x_filter_taps == 6) { + av1_highbd_convolve_x_sr_neon(src, src_stride, dst, dst_stride, w, h, + filter_params_x, subpel_x_qn, conv_params, + bd); + return; + } + + const int horiz_offset = filter_params_x->taps / 2 - 1; + const int16_t *x_filter_ptr = av1_get_interp_filter_subpel_kernel( + filter_params_x, subpel_x_qn & SUBPEL_MASK); + + src -= horiz_offset; + + if (x_filter_taps == 12) { + highbd_convolve_x_sr_12tap_sve2(src, src_stride, dst, dst_stride, w, h, + x_filter_ptr, conv_params, bd); + return; + } + + if (x_filter_taps == 8) { + highbd_convolve_x_sr_8tap_sve2(src, src_stride, dst, dst_stride, w, h, + x_filter_ptr, conv_params, bd); + return; + } + + highbd_convolve_x_sr_4tap_sve2(src + 2, src_stride, dst, dst_stride, w, h, + x_filter_ptr, conv_params, bd); +} + +static INLINE uint16x4_t highbd_convolve12_4_y(int16x8_t s0[2], int16x8_t s1[2], + int16x8_t s2[2], + int16x8_t filter_0_7, + int16x8_t filter_4_11, + uint16x4_t max) { + int64x2_t sum[2]; + + sum[0] = aom_svdot_lane_s16(vdupq_n_s64(0), s0[0], filter_0_7, 0); + sum[0] = aom_svdot_lane_s16(sum[0], s1[0], filter_0_7, 1); + sum[0] = aom_svdot_lane_s16(sum[0], s2[0], filter_4_11, 1); + + sum[1] = aom_svdot_lane_s16(vdupq_n_s64(0), s0[1], filter_0_7, 0); + sum[1] = aom_svdot_lane_s16(sum[1], s1[1], filter_0_7, 1); + sum[1] = aom_svdot_lane_s16(sum[1], s2[1], filter_4_11, 1); + + int32x4_t res_s32 = vcombine_s32(vmovn_s64(sum[0]), vmovn_s64(sum[1])); + + uint16x4_t res = vqrshrun_n_s32(res_s32, FILTER_BITS); + + return vmin_u16(res, max); +} + +static INLINE void highbd_convolve_y_sr_12tap_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 bd) { + const int16x8_t y_filter_0_7 = vld1q_s16(y_filter_ptr); + const int16x8_t y_filter_4_11 = vld1q_s16(y_filter_ptr + 4); + + 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); + + const uint16x4_t max = vdup_n_u16((1 << bd) - 1); + + do { + int16_t *s = (int16_t *)src; + uint16_t *d = dst; + int h = height; + + int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, sA; + load_s16_4x11(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7, &s8, + &s9, &sA); + s += 11 * src_stride; + + int16x8_t s0123[2], s1234[2], s2345[2], s3456[2], s4567[2], s5678[2], + s6789[2], s789A[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); + transpose_concat_4x4(s4, s5, s6, s7, s4567); + transpose_concat_4x4(s5, s6, s7, s8, s5678); + transpose_concat_4x4(s6, s7, s8, s9, s6789); + transpose_concat_4x4(s7, s8, s9, sA, s789A); + + do { + int16x4_t sB, sC, sD, sE; + load_s16_4x4(s, src_stride, &sB, &sC, &sD, &sE); + + int16x8_t s89AB[2], s9ABC[2], sABCD[2], sBCDE[2]; + transpose_concat_4x4(sB, sC, sD, sE, sBCDE); + + // Use the above transpose and reuse data from the previous loop to get + // the rest. + aom_tbl2x2_s16(s789A, sBCDE, merge_block_tbl.val[0], s89AB); + aom_tbl2x2_s16(s789A, sBCDE, merge_block_tbl.val[1], s9ABC); + aom_tbl2x2_s16(s789A, sBCDE, merge_block_tbl.val[2], sABCD); + + uint16x4_t d0 = highbd_convolve12_4_y(s0123, s4567, s89AB, y_filter_0_7, + y_filter_4_11, max); + uint16x4_t d1 = highbd_convolve12_4_y(s1234, s5678, s9ABC, y_filter_0_7, + y_filter_4_11, max); + uint16x4_t d2 = highbd_convolve12_4_y(s2345, s6789, sABCD, y_filter_0_7, + y_filter_4_11, max); + uint16x4_t d3 = highbd_convolve12_4_y(s3456, s789A, sBCDE, y_filter_0_7, + y_filter_4_11, max); + + store_u16_4x4(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]; + s1234[0] = s5678[0]; + s1234[1] = s5678[1]; + s2345[0] = s6789[0]; + s2345[1] = s6789[1]; + s3456[0] = s789A[0]; + s3456[1] = s789A[1]; + s4567[0] = s89AB[0]; + s4567[1] = s89AB[1]; + s5678[0] = s9ABC[0]; + s5678[1] = s9ABC[1]; + s6789[0] = sABCD[0]; + s6789[1] = sABCD[1]; + s789A[0] = sBCDE[0]; + s789A[1] = sBCDE[1]; + + s += 4 * src_stride; + d += 4 * dst_stride; + h -= 4; + } while (h != 0); + src += 4; + dst += 4; + width -= 4; + } while (width != 0); +} + +static INLINE uint16x4_t highbd_convolve8_4_y(int16x8_t samples_lo[2], + int16x8_t samples_hi[2], + int16x8_t filter, + uint16x4_t max) { + int64x2_t sum01 = + aom_svdot_lane_s16(vdupq_n_s64(0), samples_lo[0], filter, 0); + sum01 = aom_svdot_lane_s16(sum01, samples_hi[0], filter, 1); + + int64x2_t sum23 = + aom_svdot_lane_s16(vdupq_n_s64(0), 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)); + uint16x4_t res = vqrshrun_n_s32(sum0123, FILTER_BITS); + return vmin_u16(res, max); +} + +static INLINE uint16x8_t highbd_convolve8_8_y(int16x8_t samples_lo[4], + int16x8_t samples_hi[4], + int16x8_t filter, + uint16x8_t max) { + int64x2_t sum01 = + aom_svdot_lane_s16(vdupq_n_s64(0), samples_lo[0], filter, 0); + sum01 = aom_svdot_lane_s16(sum01, samples_hi[0], filter, 1); + + int64x2_t sum23 = + aom_svdot_lane_s16(vdupq_n_s64(0), samples_lo[1], filter, 0); + sum23 = aom_svdot_lane_s16(sum23, samples_hi[1], filter, 1); + + int64x2_t sum45 = + aom_svdot_lane_s16(vdupq_n_s64(0), samples_lo[2], filter, 0); + sum45 = aom_svdot_lane_s16(sum45, samples_hi[2], filter, 1); + + int64x2_t sum67 = + aom_svdot_lane_s16(vdupq_n_s64(0), 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)); + uint16x8_t res = vcombine_u16(vqrshrun_n_s32(sum0123, FILTER_BITS), + vqrshrun_n_s32(sum4567, FILTER_BITS)); + return vminq_u16(res, max); +} + +void highbd_convolve_y_sr_8tap_sve2(const uint16_t *src, ptrdiff_t src_stride, + uint16_t *dst, ptrdiff_t dst_stride, + int width, int height, + const int16_t *filter_y, int bd) { + assert(w >= 4 && h >= 4); + + const int16x8_t y_filter = vld1q_s16(filter_y); + + 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) { + const uint16x4_t max = vdup_n_u16((1 << bd) - 1); + 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, max); + uint16x4_t d1 = highbd_convolve8_4_y(s1234, s5678, y_filter, max); + uint16x4_t d2 = highbd_convolve8_4_y(s2345, s6789, y_filter, max); + uint16x4_t d3 = highbd_convolve8_4_y(s3456, s789A, y_filter, max); + + 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 { + const uint16x8_t max = vdupq_n_u16((1 << bd) - 1); + + 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, max); + uint16x8_t d1 = highbd_convolve8_8_y(s1234, s5678, y_filter, max); + uint16x8_t d2 = highbd_convolve8_8_y(s2345, s6789, y_filter, max); + uint16x8_t d3 = highbd_convolve8_8_y(s3456, s789A, y_filter, max); + + 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_y(int16x8_t samples[2], + int16x8_t filter, + uint16x4_t max) { + int64x2_t sum01 = aom_svdot_lane_s16(vdupq_n_s64(0), samples[0], filter, 0); + int64x2_t sum23 = aom_svdot_lane_s16(vdupq_n_s64(0), samples[1], filter, 0); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + uint16x4_t res = vqrshrun_n_s32(sum0123, FILTER_BITS); + return vmin_u16(res, max); +} + +static INLINE uint16x8_t highbd_convolve4_8_y(int16x8_t samples[4], + int16x8_t filter, + uint16x8_t max) { + int64x2_t sum01 = aom_svdot_lane_s16(vdupq_n_s64(0), samples[0], filter, 0); + int64x2_t sum23 = aom_svdot_lane_s16(vdupq_n_s64(0), samples[1], filter, 0); + int64x2_t sum45 = aom_svdot_lane_s16(vdupq_n_s64(0), samples[2], filter, 0); + int64x2_t sum67 = aom_svdot_lane_s16(vdupq_n_s64(0), samples[3], filter, 0); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + int32x4_t sum4567 = vcombine_s32(vmovn_s64(sum45), vmovn_s64(sum67)); + uint16x8_t res = vcombine_u16(vqrshrun_n_s32(sum0123, FILTER_BITS), + vqrshrun_n_s32(sum4567, FILTER_BITS)); + return vminq_u16(res, max); +} + +void highbd_convolve_y_sr_4tap_sve2(const uint16_t *src, ptrdiff_t src_stride, + uint16_t *dst, ptrdiff_t dst_stride, + int width, int height, + const int16_t *filter_y, int bd) { + assert(w >= 4 && h >= 4); + + const int16x8_t y_filter = + vcombine_s16(vld1_s16(filter_y + 2), vdup_n_s16(0)); + + if (width == 4) { + const uint16x4_t max = vdup_n_u16((1 << bd) - 1); + int16_t *s = (int16_t *)src; + + 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); + + // 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); + + uint16x4_t d0 = highbd_convolve4_4_y(s0123, y_filter, max); + uint16x4_t d1 = highbd_convolve4_4_y(s1234, y_filter, max); + uint16x4_t d2 = highbd_convolve4_4_y(s2345, y_filter, max); + uint16x4_t d3 = highbd_convolve4_4_y(s3456, y_filter, max); + + store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); + + // Shuffle everything up four rows. + s0 = s4; + s1 = s5; + s2 = s6; + + s += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height != 0); + } else { + const uint16x8_t max = vdupq_n_u16((1 << bd) - 1); + + do { + int h = height; + int16_t *s = (int16_t *)src; + uint16_t *d = dst; + + 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); + + // 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); + + uint16x8_t d0 = highbd_convolve4_8_y(s0123, y_filter, max); + uint16x8_t d1 = highbd_convolve4_8_y(s1234, y_filter, max); + uint16x8_t d2 = highbd_convolve4_8_y(s2345, y_filter, max); + uint16x8_t d3 = highbd_convolve4_8_y(s3456, y_filter, max); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + // Shuffle everything up four rows. + s0 = s4; + s1 = s5; + s2 = s6; + + 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_convolve_y_sr_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, int bd) { + if (w == 2 || h == 2) { + av1_highbd_convolve_y_sr_c(src, src_stride, dst, dst_stride, w, h, + filter_params_y, subpel_y_qn, bd); + return; + } + const int y_filter_taps = get_filter_tap(filter_params_y, subpel_y_qn); + + if (y_filter_taps == 6) { + av1_highbd_convolve_y_sr_neon(src, src_stride, dst, dst_stride, w, h, + filter_params_y, subpel_y_qn, bd); + return; + } + + const int vert_offset = filter_params_y->taps / 2 - 1; + 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 (y_filter_taps > 8) { + highbd_convolve_y_sr_12tap_sve2(src, src_stride, dst, dst_stride, w, h, + y_filter_ptr, bd); + return; + } + + if (y_filter_taps == 4) { + highbd_convolve_y_sr_4tap_sve2(src + 2 * src_stride, src_stride, dst, + dst_stride, w, h, y_filter_ptr, bd); + return; + } + + highbd_convolve_y_sr_8tap_sve2(src, src_stride, dst, dst_stride, w, h, + y_filter_ptr, bd); +} + +static INLINE uint16x4_t convolve12_4_2d_h( + int16x8_t s0, int16x8_t s1, int16x8_t filter_0_7, int16x8_t filter_4_11, + const int64x2_t offset, int32x4_t shift, uint16x8x4_t permute_tbl) { + int16x8_t permuted_samples[6]; + permuted_samples[0] = aom_tbl_s16(s0, permute_tbl.val[0]); + permuted_samples[1] = aom_tbl_s16(s0, permute_tbl.val[1]); + permuted_samples[2] = aom_tbl2_s16(s0, s1, permute_tbl.val[2]); + permuted_samples[3] = aom_tbl2_s16(s0, s1, permute_tbl.val[3]); + permuted_samples[4] = aom_tbl_s16(s1, permute_tbl.val[0]); + permuted_samples[5] = aom_tbl_s16(s1, permute_tbl.val[1]); + + int64x2_t sum01 = + aom_svdot_lane_s16(offset, permuted_samples[0], filter_0_7, 0); + sum01 = aom_svdot_lane_s16(sum01, permuted_samples[2], filter_0_7, 1); + sum01 = aom_svdot_lane_s16(sum01, permuted_samples[4], filter_4_11, 1); + + int64x2_t sum23 = + aom_svdot_lane_s16(offset, permuted_samples[1], filter_0_7, 0); + sum23 = aom_svdot_lane_s16(sum23, permuted_samples[3], filter_0_7, 1); + sum23 = aom_svdot_lane_s16(sum23, permuted_samples[5], filter_4_11, 1); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + sum0123 = vqrshlq_s32(sum0123, shift); + return vqmovun_s32(sum0123); +} + +static INLINE uint16x8_t convolve12_8_2d_h(int16x8_t s0, int16x8_t s1, + int16x8_t s2, int16x8_t filter_0_7, + int16x8_t filter_4_11, + int64x2_t offset, int32x4_t shift, + uint16x8x4_t permute_tbl) { + int16x8_t permuted_samples[8]; + permuted_samples[0] = aom_tbl_s16(s0, permute_tbl.val[0]); + permuted_samples[1] = aom_tbl_s16(s0, permute_tbl.val[1]); + permuted_samples[2] = aom_tbl2_s16(s0, s1, permute_tbl.val[2]); + permuted_samples[3] = aom_tbl2_s16(s0, s1, permute_tbl.val[3]); + permuted_samples[4] = aom_tbl_s16(s1, permute_tbl.val[0]); + permuted_samples[5] = aom_tbl_s16(s1, permute_tbl.val[1]); + permuted_samples[6] = aom_tbl2_s16(s1, s2, permute_tbl.val[2]); + permuted_samples[7] = aom_tbl2_s16(s1, s2, permute_tbl.val[3]); + + int64x2_t sum01 = + aom_svdot_lane_s16(offset, permuted_samples[0], filter_0_7, 0); + sum01 = aom_svdot_lane_s16(sum01, permuted_samples[2], filter_0_7, 1); + sum01 = aom_svdot_lane_s16(sum01, permuted_samples[4], filter_4_11, 1); + + int64x2_t sum23 = + aom_svdot_lane_s16(offset, permuted_samples[1], filter_0_7, 0); + sum23 = aom_svdot_lane_s16(sum23, permuted_samples[3], filter_0_7, 1); + sum23 = aom_svdot_lane_s16(sum23, permuted_samples[5], filter_4_11, 1); + + int64x2_t sum45 = + aom_svdot_lane_s16(offset, permuted_samples[2], filter_0_7, 0); + sum45 = aom_svdot_lane_s16(sum45, permuted_samples[4], filter_0_7, 1); + sum45 = aom_svdot_lane_s16(sum45, permuted_samples[6], filter_4_11, 1); + + int64x2_t sum67 = + aom_svdot_lane_s16(offset, permuted_samples[3], filter_0_7, 0); + sum67 = aom_svdot_lane_s16(sum67, permuted_samples[5], filter_0_7, 1); + sum67 = aom_svdot_lane_s16(sum67, permuted_samples[7], filter_4_11, 1); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + int32x4_t sum4567 = vcombine_s32(vmovn_s64(sum45), vmovn_s64(sum67)); + + sum0123 = vqrshlq_s32(sum0123, shift); + sum4567 = vqrshlq_s32(sum4567, shift); + + return vcombine_u16(vqmovun_s32(sum0123), vqmovun_s32(sum4567)); +} + +static INLINE void highbd_convolve_2d_sr_horiz_12tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *y_filter_ptr, + ConvolveParams *conv_params, const int x_offset) { + const int64x2_t offset = vdupq_n_s64(x_offset); + const int32x4_t shift = vdupq_n_s32(-conv_params->round_0); + + const int16x8_t y_filter_0_7 = vld1q_s16(y_filter_ptr); + const int16x8_t y_filter_4_11 = vld1q_s16(y_filter_ptr + 4); + + uint16x8x4_t permute_tbl = vld1q_u16_x4(kDotProdTbl); + // 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(vcombine_u64( + vdup_n_u64(0), vdup_n_u64(svcnth() * 0x0001000000000000ULL))); + permute_tbl.val[2] = vaddq_u16(permute_tbl.val[2], correction0); + + uint16x8_t correction1 = vreinterpretq_u16_u64( + vcombine_u64(vdup_n_u64(svcnth() * 0x0001000100000000ULL), + vdup_n_u64(svcnth() * 0x0001000100010000ULL))); + permute_tbl.val[3] = vaddq_u16(permute_tbl.val[3], correction1); + + if (width == 4) { + const int16_t *s = (const int16_t *)src; + + do { + int16x8_t s0, s1, s2, s3, s4, s5, s6, s7; + load_s16_8x4(s, src_stride, &s0, &s2, &s4, &s6); + load_s16_8x4(s + 8, src_stride, &s1, &s3, &s5, &s7); + + uint16x4_t d0 = convolve12_4_2d_h(s0, s1, y_filter_0_7, y_filter_4_11, + offset, shift, permute_tbl); + uint16x4_t d1 = convolve12_4_2d_h(s2, s3, y_filter_0_7, y_filter_4_11, + offset, shift, permute_tbl); + uint16x4_t d2 = convolve12_4_2d_h(s4, s5, y_filter_0_7, y_filter_4_11, + offset, shift, permute_tbl); + uint16x4_t d3 = convolve12_4_2d_h(s6, s7, y_filter_0_7, y_filter_4_11, + offset, shift, permute_tbl); + + store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); + + dst += 4 * dst_stride; + s += 4 * src_stride; + height -= 4; + } while (height > 0); + } else { + do { + const int16_t *s = (const int16_t *)src; + uint16_t *d = dst; + int w = width; + + do { + int16x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11; + load_s16_8x4(s, src_stride, &s0, &s3, &s6, &s9); + load_s16_8x4(s + 8, src_stride, &s1, &s4, &s7, &s10); + load_s16_8x4(s + 16, src_stride, &s2, &s5, &s8, &s11); + + uint16x8_t d0 = + convolve12_8_2d_h(s0, s1, s2, y_filter_0_7, y_filter_4_11, offset, + shift, permute_tbl); + uint16x8_t d1 = + convolve12_8_2d_h(s3, s4, s5, y_filter_0_7, y_filter_4_11, offset, + shift, permute_tbl); + uint16x8_t d2 = + convolve12_8_2d_h(s6, s7, s8, y_filter_0_7, y_filter_4_11, offset, + shift, permute_tbl); + uint16x8_t d3 = + convolve12_8_2d_h(s9, s10, s11, y_filter_0_7, y_filter_4_11, offset, + shift, permute_tbl); + + 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 convolve8_8_2d_h(int16x8_t s0[8], int16x8_t filter, + int64x2_t offset, int32x4_t shift) { + 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])); + + sum0123 = vqrshlq_s32(sum0123, shift); + sum4567 = vqrshlq_s32(sum4567, shift); + + return vcombine_u16(vqmovun_s32(sum0123), vqmovun_s32(sum4567)); +} + +static INLINE void highbd_convolve_2d_sr_horiz_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, + ConvolveParams *conv_params, const int x_offset) { + const int64x2_t offset = vdupq_n_s64(x_offset); + const int64x2_t offset_lo = vcombine_s64(vget_low_s64(offset), vdup_n_s64(0)); + const int32x4_t shift = vdupq_n_s32(-conv_params->round_0); + + const int16x8_t filter = vld1q_s16(y_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 = convolve8_8_2d_h(s0, filter, offset_lo, shift); + uint16x8_t d1 = convolve8_8_2d_h(s1, filter, offset_lo, shift); + uint16x8_t d2 = convolve8_8_2d_h(s2, filter, offset_lo, shift); + uint16x8_t d3 = convolve8_8_2d_h(s3, filter, offset_lo, shift); + + 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 convolve4_4_2d_h(int16x8_t s0, int16x8_t filter, + int64x2_t offset, int32x4_t shift, + 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)); + sum0123 = vqrshlq_s32(sum0123, shift); + return vqmovun_s32(sum0123); +} + +static INLINE uint16x8_t convolve4_8_2d_h(int16x8_t s0[8], int16x8_t filter, + int64x2_t offset, int32x4_t shift, + 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 sum0123 = vcombine_s32(vmovn_s64(sum04), vmovn_s64(sum15)); + int32x4_t sum4567 = vcombine_s32(vmovn_s64(sum26), vmovn_s64(sum37)); + + sum0123 = vqrshlq_s32(sum0123, shift); + sum4567 = vqrshlq_s32(sum4567, shift); + + uint16x8_t res = vcombine_u16(vqmovun_s32(sum0123), vqmovun_s32(sum4567)); + return aom_tbl_u16(res, tbl); +} + +static INLINE void highbd_convolve_2d_sr_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, + ConvolveParams *conv_params, const int x_offset) { + const int64x2_t offset = vdupq_n_s64(x_offset); + const int32x4_t shift = vdupq_n_s32(-conv_params->round_0); + + 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) { + const int16_t *s = (const int16_t *)(src); + + uint16x8x2_t permute_tbl = vld1q_u16_x2(kDotProdTbl); + + do { + int16x8_t s0, s1, s2, s3; + load_s16_8x4(s, src_stride, &s0, &s1, &s2, &s3); + + uint16x4_t d0 = convolve4_4_2d_h(s0, filter, offset, shift, permute_tbl); + uint16x4_t d1 = convolve4_4_2d_h(s1, filter, offset, shift, permute_tbl); + uint16x4_t d2 = convolve4_4_2d_h(s2, filter, offset, shift, permute_tbl); + uint16x4_t d3 = convolve4_4_2d_h(s3, filter, offset, shift, 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[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 = convolve4_8_2d_h(s0, filter, offset, shift, idx); + uint16x8_t d1 = convolve4_8_2d_h(s1, filter, offset, shift, idx); + uint16x8_t d2 = convolve4_8_2d_h(s2, filter, offset, shift, idx); + uint16x8_t d3 = convolve4_8_2d_h(s3, filter, offset, shift, 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_convolve12_4_2d_v( + int16x8_t s0[2], int16x8_t s1[2], int16x8_t s2[2], int16x8_t filter_0_7, + int16x8_t filter_4_11, int32x4_t shift, int64x2_t offset, uint16x4_t max) { + int64x2_t sum01 = aom_svdot_lane_s16(offset, s0[0], filter_0_7, 0); + sum01 = aom_svdot_lane_s16(sum01, s1[0], filter_0_7, 1); + sum01 = aom_svdot_lane_s16(sum01, s2[0], filter_4_11, 1); + + int64x2_t sum23 = aom_svdot_lane_s16(offset, s0[1], filter_0_7, 0); + sum23 = aom_svdot_lane_s16(sum23, s1[1], filter_0_7, 1); + sum23 = aom_svdot_lane_s16(sum23, s2[1], filter_4_11, 1); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + sum0123 = vshlq_s32(sum0123, shift); + + uint16x4_t res = vqmovun_s32(sum0123); + + return vmin_u16(res, max); +} + +static INLINE void highbd_convolve_2d_sr_vert_12tap_sve2( + const uint16_t *src, int src_stride, uint16_t *dst, int dst_stride, + int width, int height, const int16_t *y_filter_ptr, + ConvolveParams *conv_params, int bd, const int y_offset) { + const int64x2_t offset = vdupq_n_s64(y_offset); + const int32x4_t shift = vdupq_n_s32(-conv_params->round_1); + + const int16x8_t y_filter_0_7 = vld1q_s16(y_filter_ptr); + const int16x8_t y_filter_4_11 = vld1q_s16(y_filter_ptr + 4); + + 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); + + const uint16x4_t max = vdup_n_u16((1 << bd) - 1); + + do { + int16_t *s = (int16_t *)src; + uint16_t *d = (uint16_t *)dst; + int h = height; + + int16x4_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, sA; + load_s16_4x11(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7, &s8, + &s9, &sA); + s += 11 * src_stride; + + int16x8_t s0123[2], s1234[2], s2345[2], s3456[2], s4567[2], s5678[2], + s6789[2], s789A[2]; + // This operation combines a conventional transpose and the sample permute + // required before computing the dot product. + 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); + transpose_concat_4x4(s4, s5, s6, s7, s4567); + transpose_concat_4x4(s5, s6, s7, s8, s5678); + transpose_concat_4x4(s6, s7, s8, s9, s6789); + transpose_concat_4x4(s7, s8, s9, sA, s789A); + + do { + int16x4_t sB, sC, sD, sE; + load_s16_4x4(s, src_stride, &sB, &sC, &sD, &sE); + + int16x8_t s89AB[2], s9ABC[2], sABCD[2], sBCDE[2]; + transpose_concat_4x4(sB, sC, sD, sE, sBCDE); + + // Use the above transpose and reuse data from the previous loop to get + // the rest. + aom_tbl2x2_s16(s789A, sBCDE, merge_block_tbl.val[0], s89AB); + aom_tbl2x2_s16(s789A, sBCDE, merge_block_tbl.val[1], s9ABC); + aom_tbl2x2_s16(s789A, sBCDE, merge_block_tbl.val[2], sABCD); + + uint16x4_t d0 = highbd_convolve12_4_2d_v( + s0123, s4567, s89AB, y_filter_0_7, y_filter_4_11, shift, offset, max); + uint16x4_t d1 = highbd_convolve12_4_2d_v( + s1234, s5678, s9ABC, y_filter_0_7, y_filter_4_11, shift, offset, max); + uint16x4_t d2 = highbd_convolve12_4_2d_v( + s2345, s6789, sABCD, y_filter_0_7, y_filter_4_11, shift, offset, max); + uint16x4_t d3 = highbd_convolve12_4_2d_v( + s3456, s789A, sBCDE, y_filter_0_7, y_filter_4_11, shift, offset, max); + + store_u16_4x4(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]; + s1234[0] = s5678[0]; + s1234[1] = s5678[1]; + s2345[0] = s6789[0]; + s2345[1] = s6789[1]; + s3456[0] = s789A[0]; + s3456[1] = s789A[1]; + s4567[0] = s89AB[0]; + s4567[1] = s89AB[1]; + s5678[0] = s9ABC[0]; + s5678[1] = s9ABC[1]; + s6789[0] = sABCD[0]; + s6789[1] = sABCD[1]; + s789A[0] = sBCDE[0]; + s789A[1] = sBCDE[1]; + + s += 4 * src_stride; + d += 4 * dst_stride; + h -= 4; + } while (h != 0); + src += 4; + dst += 4; + width -= 4; + } 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, + int32x4_t shift, int64x2_t offset, uint16x4_t max) { + 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)); + sum0123 = vshlq_s32(sum0123, shift); + + uint16x4_t res = vqmovun_s32(sum0123); + return vmin_u16(res, max); +} + +static INLINE uint16x8_t highbd_convolve8_8_2d_v( + int16x8_t samples_lo[4], int16x8_t samples_hi[4], int16x8_t filter, + int32x4_t shift, int64x2_t offset, uint16x8_t max) { + 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)); + + sum0123 = vshlq_s32(sum0123, shift); + sum4567 = vshlq_s32(sum4567, shift); + + uint16x8_t res = vcombine_u16(vqmovun_s32(sum0123), vqmovun_s32(sum4567)); + return vminq_u16(res, max); +} + +void highbd_convolve_2d_sr_vert_8tap_sve2(const uint16_t *src, + ptrdiff_t src_stride, uint16_t *dst, + ptrdiff_t dst_stride, int width, + int height, const int16_t *filter_y, + ConvolveParams *conv_params, int bd, + const int y_offset) { + assert(w >= 4 && h >= 4); + const int64x2_t offset = vdupq_n_s64(y_offset); + const int32x4_t shift = vdupq_n_s32(-conv_params->round_1); + const int16x8_t y_filter = vld1q_s16(filter_y); + + 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) { + const uint16x4_t max = vdup_n_u16((1 << bd) - 1); + 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, shift, offset, max); + uint16x4_t d1 = + highbd_convolve8_4_2d_v(s1234, s5678, y_filter, shift, offset, max); + uint16x4_t d2 = + highbd_convolve8_4_2d_v(s2345, s6789, y_filter, shift, offset, max); + uint16x4_t d3 = + highbd_convolve8_4_2d_v(s3456, s789A, y_filter, shift, offset, max); + + 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 { + const uint16x8_t max = vdupq_n_u16((1 << bd) - 1); + + 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, shift, offset, max); + uint16x8_t d1 = + highbd_convolve8_8_2d_v(s1234, s5678, y_filter, shift, offset, max); + uint16x8_t d2 = + highbd_convolve8_8_2d_v(s2345, s6789, y_filter, shift, offset, max); + uint16x8_t d3 = + highbd_convolve8_8_2d_v(s3456, s789A, y_filter, shift, offset, max); + + 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(int16x8_t samples[2], + int16x8_t filter, + int32x4_t shift, + int64x2_t offset, + uint16x4_t max) { + int64x2_t sum01 = aom_svdot_lane_s16(offset, samples[0], filter, 0); + int64x2_t sum23 = aom_svdot_lane_s16(offset, samples[1], filter, 0); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + sum0123 = vshlq_s32(sum0123, shift); + + uint16x4_t res = vqmovun_s32(sum0123); + return vmin_u16(res, max); +} + +static INLINE uint16x8_t highbd_convolve4_8_2d_v(int16x8_t samples[4], + int16x8_t filter, + int32x4_t shift, + int64x2_t offset, + uint16x8_t max) { + int64x2_t sum01 = aom_svdot_lane_s16(offset, samples[0], filter, 0); + int64x2_t sum23 = aom_svdot_lane_s16(offset, samples[1], filter, 0); + int64x2_t sum45 = aom_svdot_lane_s16(offset, samples[2], filter, 0); + int64x2_t sum67 = aom_svdot_lane_s16(offset, samples[3], filter, 0); + + int32x4_t sum0123 = vcombine_s32(vmovn_s64(sum01), vmovn_s64(sum23)); + int32x4_t sum4567 = vcombine_s32(vmovn_s64(sum45), vmovn_s64(sum67)); + + sum0123 = vshlq_s32(sum0123, shift); + sum4567 = vshlq_s32(sum4567, shift); + + uint16x8_t res = vcombine_u16(vqmovun_s32(sum0123), vqmovun_s32(sum4567)); + return vminq_u16(res, max); +} + +void highbd_convolve_2d_sr_vert_4tap_sve2(const uint16_t *src, + ptrdiff_t src_stride, uint16_t *dst, + ptrdiff_t dst_stride, int width, + int height, const int16_t *filter_y, + ConvolveParams *conv_params, int bd, + const int y_offset) { + assert(w >= 4 && h >= 4); + const int64x2_t offset = vdupq_n_s64(y_offset); + const int32x4_t shift = vdupq_n_s32(-conv_params->round_1); + + const int16x8_t y_filter = + vcombine_s16(vld1_s16(filter_y + 2), vdup_n_s16(0)); + + if (width == 4) { + const uint16x4_t max = vdup_n_u16((1 << bd) - 1); + int16_t *s = (int16_t *)(src); + + 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); + + // 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); + + uint16x4_t d0 = + highbd_convolve4_4_2d_v(s0123, y_filter, shift, offset, max); + uint16x4_t d1 = + highbd_convolve4_4_2d_v(s1234, y_filter, shift, offset, max); + uint16x4_t d2 = + highbd_convolve4_4_2d_v(s2345, y_filter, shift, offset, max); + uint16x4_t d3 = + highbd_convolve4_4_2d_v(s3456, y_filter, shift, offset, max); + + store_u16_4x4(dst, dst_stride, d0, d1, d2, d3); + + // Shuffle everything up four rows. + s0 = s4; + s1 = s5; + s2 = s6; + + s += 4 * src_stride; + dst += 4 * dst_stride; + height -= 4; + } while (height != 0); + } else { + const uint16x8_t max = vdupq_n_u16((1 << bd) - 1); + + do { + int h = height; + int16_t *s = (int16_t *)(src); + uint16_t *d = dst; + + 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); + + // 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); + + uint16x8_t d0 = + highbd_convolve4_8_2d_v(s0123, y_filter, shift, offset, max); + uint16x8_t d1 = + highbd_convolve4_8_2d_v(s1234, y_filter, shift, offset, max); + uint16x8_t d2 = + highbd_convolve4_8_2d_v(s2345, y_filter, shift, offset, max); + uint16x8_t d3 = + highbd_convolve4_8_2d_v(s3456, y_filter, shift, offset, max); + + store_u16_8x4(d, dst_stride, d0, d1, d2, d3); + + // Shuffle everything up four rows. + s0 = s4; + s1 = s5; + s2 = s6; + + 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_convolve_2d_sr_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) { + if (w == 2 || h == 2) { + av1_highbd_convolve_2d_sr_c(src, src_stride, dst, dst_stride, w, h, + filter_params_x, filter_params_y, subpel_x_qn, + subpel_y_qn, conv_params, bd); + return; + } + + DECLARE_ALIGNED(16, uint16_t, + im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * MAX_SB_SIZE]); + const int x_filter_taps = get_filter_tap(filter_params_x, subpel_x_qn); + const int y_filter_taps = get_filter_tap(filter_params_y, subpel_y_qn); + + if (x_filter_taps == 6 || y_filter_taps == 6) { + av1_highbd_convolve_2d_sr_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 clamped_x_taps = x_filter_taps < 4 ? 4 : x_filter_taps; + const int clamped_y_taps = y_filter_taps < 4 ? 4 : y_filter_taps; + + 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 x_offset = (1 << (bd + FILTER_BITS - 1)); + const int y_offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0; + // The extra shim of (1 << (conv_params->round_1 - 1)) allows us to do a + // simple shift left instead of a rounding saturating shift left. + const int y_offset = + (1 << (conv_params->round_1 - 1)) - (1 << (y_offset_bits - 1)); + + 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); + const int im_h = h + clamped_y_taps - 1; + + if (x_filter_taps > 8) { + highbd_convolve_2d_sr_horiz_12tap_sve2(src_ptr, src_stride, im_block, + im_stride, w, im_h, x_filter_ptr, + conv_params, x_offset); + + highbd_convolve_2d_sr_vert_12tap_sve2(im_block, im_stride, dst, dst_stride, + w, h, y_filter_ptr, conv_params, bd, + y_offset); + return; + } + + if (x_filter_taps <= 4) { + highbd_convolve_2d_sr_horiz_4tap_sve2(src_ptr, src_stride, im_block, + im_stride, w, im_h, x_filter_ptr, + conv_params, x_offset); + } else { + highbd_convolve_2d_sr_horiz_8tap_sve2(src_ptr, src_stride, im_block, + im_stride, w, im_h, x_filter_ptr, + conv_params, x_offset); + } + + if (y_filter_taps <= 4) { + highbd_convolve_2d_sr_vert_4tap_sve2(im_block, im_stride, dst, dst_stride, + w, h, y_filter_ptr, conv_params, bd, + y_offset); + } else { + highbd_convolve_2d_sr_vert_8tap_sve2(im_block, im_stride, dst, dst_stride, + w, h, y_filter_ptr, conv_params, bd, + y_offset); + } +} |