av1/common/x86/jnt_convolve_avx2.c - avm - Git at Google

 /*
  * Copyright (c) 2018, 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 <immintrin.h>

 #include "./aom_dsp_rtcd.h"
 #include "aom_dsp/aom_convolve.h"
 #include "aom_dsp/x86/convolve_avx2.h"
 #include "aom_dsp/x86/convolve_common_intrin.h"
 #include "aom_dsp/x86/convolve_sse4_1.h"
 #include "aom_dsp/aom_dsp_common.h"
 #include "aom_dsp/aom_filter.h"
 #include "av1/common/convolve.h"

 #if CONFIG_JNT_COMP
 void av1_jnt_convolve_x_avx2(const uint8_t *src, int src_stride,
                              const uint8_t *dst0, int dst_stride0, int w, int h,
                              InterpFilterParams *filter_params_x,
                              InterpFilterParams *filter_params_y,
                              const int subpel_x_q4, const int subpel_y_q4,
                              ConvolveParams *conv_params) {
   CONV_BUF_TYPE *dst = conv_params->dst;
   int dst_stride = conv_params->dst_stride;
   int i, j;
   const int fo_horiz = filter_params_x->taps / 2 - 1;
   const uint8_t *const src_ptr = src - fo_horiz;
   const int bits = FILTER_BITS - conv_params->round_1;
   const int w0 = conv_params->fwd_offset;
   const int w1 = conv_params->bck_offset;
   const __m256i wt0 = _mm256_set1_epi32(w0);
   const __m256i wt1 = _mm256_set1_epi32(w1);
   const int do_average = conv_params->do_average;
   __m256i filt[4], coeffs[4];

   assert(bits >= 0);
   assert(conv_params->round_0 > 0);

   filt[0] = _mm256_load_si256((__m256i const *)filt1_global_avx2);
   filt[1] = _mm256_load_si256((__m256i const *)filt2_global_avx2);
   filt[2] = _mm256_load_si256((__m256i const *)filt3_global_avx2);
   filt[3] = _mm256_load_si256((__m256i const *)filt4_global_avx2);

   prepare_coeffs_lowbd(filter_params_x, subpel_x_q4, coeffs);

   const __m256i round_const =
       _mm256_set1_epi16((1 << (conv_params->round_0 - 1)) >> 1);
   const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0 - 1);

   (void)filter_params_y;
   (void)subpel_y_q4;
   (void)dst0;
   (void)dst_stride0;

   for (i = 0; i < h; i += 2) {
     for (j = 0; j < w; j += 8) {
       const __m256i data = _mm256_permute2x128_si256(
           _mm256_castsi128_si256(
               _mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride + j]))),
           _mm256_castsi128_si256(_mm_loadu_si128(
               (__m128i *)(&src_ptr[i * src_stride + j + src_stride]))),
           0x20);

       __m256i res = convolve_lowbd_x(data, coeffs, filt);

       res = _mm256_sra_epi16(_mm256_add_epi16(res, round_const), round_shift);

       const __m256i res_lo_round =
           _mm256_cvtepi16_epi32(_mm256_castsi256_si128(res));
       const __m256i res_hi_round =
           _mm256_cvtepi16_epi32(_mm256_extracti128_si256(res, 1));

       const __m256i res_lo_shift = _mm256_slli_epi32(res_lo_round, bits);
       const __m256i res_hi_shift = _mm256_slli_epi32(res_hi_round, bits);

       // Accumulate values into the destination buffer
       if (conv_params->use_jnt_comp_avg) {
         mult_add_store_aligned_256(&dst[i * dst_stride + j], &res_lo_shift,
                                    &wt0, &wt1, do_average);
         mult_add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
                                    &res_hi_shift, &wt0, &wt1, do_average);
       } else {
         add_store_aligned_256(&dst[i * dst_stride + j], &res_lo_shift,
                               do_average);
         add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
                               &res_hi_shift, do_average);
       }
     }
   }
 }

 void av1_jnt_convolve_y_avx2(const uint8_t *src, int src_stride,
                              const uint8_t *dst0, int dst_stride0, int w, int h,
                              InterpFilterParams *filter_params_x,
                              InterpFilterParams *filter_params_y,
                              const int subpel_x_q4, const int subpel_y_q4,
                              ConvolveParams *conv_params) {
   CONV_BUF_TYPE *dst = conv_params->dst;
   int dst_stride = conv_params->dst_stride;
   int i, j;
   const int fo_vert = filter_params_y->taps / 2 - 1;
   const uint8_t *const src_ptr = src - fo_vert * src_stride;
   // +1 to compensate for dividing the filter coeffs by 2
   const int left_shift = FILTER_BITS - conv_params->round_0 + 1;
   const __m256i round_const =
       _mm256_set1_epi32((1 << conv_params->round_1) >> 1);
   const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1);
   const int w0 = conv_params->fwd_offset;
   const int w1 = conv_params->bck_offset;
   const __m256i wt0 = _mm256_set1_epi32(w0);
   const __m256i wt1 = _mm256_set1_epi32(w1);
   const int do_average = conv_params->do_average;
   __m256i coeffs[4], s[8];

   assert((FILTER_BITS - conv_params->round_0) >= 0);

   prepare_coeffs_lowbd(filter_params_y, subpel_y_q4, coeffs);

   (void)conv_params;
   (void)filter_params_x;
   (void)subpel_x_q4;
   (void)dst0;
   (void)dst_stride0;

   for (j = 0; j < w; j += 16) {
     const uint8_t *data = &src_ptr[j];
     __m256i src6;

     // Load lines a and b. Line a to lower 128, line b to upper 128
     const __m256i src_01a = _mm256_permute2x128_si256(
         _mm256_castsi128_si256(
             _mm_loadu_si128((__m128i *)(data + 0 * src_stride))),
         _mm256_castsi128_si256(
             _mm_loadu_si128((__m128i *)(data + 1 * src_stride))),
         0x20);

     const __m256i src_12a = _mm256_permute2x128_si256(
         _mm256_castsi128_si256(
             _mm_loadu_si128((__m128i *)(data + 1 * src_stride))),
         _mm256_castsi128_si256(
             _mm_loadu_si128((__m128i *)(data + 2 * src_stride))),
         0x20);

     const __m256i src_23a = _mm256_permute2x128_si256(
         _mm256_castsi128_si256(
             _mm_loadu_si128((__m128i *)(data + 2 * src_stride))),
         _mm256_castsi128_si256(
             _mm_loadu_si128((__m128i *)(data + 3 * src_stride))),
         0x20);

     const __m256i src_34a = _mm256_permute2x128_si256(
         _mm256_castsi128_si256(
             _mm_loadu_si128((__m128i *)(data + 3 * src_stride))),
         _mm256_castsi128_si256(
             _mm_loadu_si128((__m128i *)(data + 4 * src_stride))),
         0x20);

     const __m256i src_45a = _mm256_permute2x128_si256(
         _mm256_castsi128_si256(
             _mm_loadu_si128((__m128i *)(data + 4 * src_stride))),
         _mm256_castsi128_si256(
             _mm_loadu_si128((__m128i *)(data + 5 * src_stride))),
         0x20);

     src6 = _mm256_castsi128_si256(
         _mm_loadu_si128((__m128i *)(data + 6 * src_stride)));
     const __m256i src_56a = _mm256_permute2x128_si256(
         _mm256_castsi128_si256(
             _mm_loadu_si128((__m128i *)(data + 5 * src_stride))),
         src6, 0x20);

     s[0] = _mm256_unpacklo_epi8(src_01a, src_12a);
     s[1] = _mm256_unpacklo_epi8(src_23a, src_34a);
     s[2] = _mm256_unpacklo_epi8(src_45a, src_56a);

     s[4] = _mm256_unpackhi_epi8(src_01a, src_12a);
     s[5] = _mm256_unpackhi_epi8(src_23a, src_34a);
     s[6] = _mm256_unpackhi_epi8(src_45a, src_56a);

     for (i = 0; i < h; i += 2) {
       data = &src_ptr[i * src_stride + j];
       const __m256i src_67a = _mm256_permute2x128_si256(
           src6,
           _mm256_castsi128_si256(
               _mm_loadu_si128((__m128i *)(data + 7 * src_stride))),
           0x20);

       src6 = _mm256_castsi128_si256(
           _mm_loadu_si128((__m128i *)(data + 8 * src_stride)));
       const __m256i src_78a = _mm256_permute2x128_si256(
           _mm256_castsi128_si256(
               _mm_loadu_si128((__m128i *)(data + 7 * src_stride))),
           src6, 0x20);

       s[3] = _mm256_unpacklo_epi8(src_67a, src_78a);
       s[7] = _mm256_unpackhi_epi8(src_67a, src_78a);

       const __m256i res_lo = convolve_lowbd(s, coeffs);

       const __m256i res_lo_0_32b =
           _mm256_cvtepi16_epi32(_mm256_castsi256_si128(res_lo));
       const __m256i res_lo_0_shift =
           _mm256_slli_epi32(res_lo_0_32b, left_shift);
       const __m256i res_lo_0_round = _mm256_sra_epi32(
           _mm256_add_epi32(res_lo_0_shift, round_const), round_shift);

       const __m256i res_lo_1_32b =
           _mm256_cvtepi16_epi32(_mm256_extracti128_si256(res_lo, 1));
       const __m256i res_lo_1_shift =
           _mm256_slli_epi32(res_lo_1_32b, left_shift);
       const __m256i res_lo_1_round = _mm256_sra_epi32(
           _mm256_add_epi32(res_lo_1_shift, round_const), round_shift);

       // Accumulate values into the destination buffer
       if (conv_params->use_jnt_comp_avg) {
         mult_add_store_aligned_256(&dst[i * dst_stride + j], &res_lo_0_round,
                                    &wt0, &wt1, do_average);
         mult_add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
                                    &res_lo_1_round, &wt0, &wt1, do_average);
       } else {
         add_store_aligned_256(&dst[i * dst_stride + j], &res_lo_0_round,
                               do_average);
         add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
                               &res_lo_1_round, do_average);
       }

       if (w - j > 8) {
         const __m256i res_hi = convolve_lowbd(s + 4, coeffs);

         const __m256i res_hi_0_32b =
             _mm256_cvtepi16_epi32(_mm256_castsi256_si128(res_hi));
         const __m256i res_hi_0_shift =
             _mm256_slli_epi32(res_hi_0_32b, left_shift);
         const __m256i res_hi_0_round = _mm256_sra_epi32(
             _mm256_add_epi32(res_hi_0_shift, round_const), round_shift);

         const __m256i res_hi_1_32b =
             _mm256_cvtepi16_epi32(_mm256_extracti128_si256(res_hi, 1));
         const __m256i res_hi_1_shift =
             _mm256_slli_epi32(res_hi_1_32b, left_shift);
         const __m256i res_hi_1_round = _mm256_sra_epi32(
             _mm256_add_epi32(res_hi_1_shift, round_const), round_shift);

         if (conv_params->use_jnt_comp_avg) {
           mult_add_store_aligned_256(&dst[i * dst_stride + j + 8],
                                      &res_hi_0_round, &wt0, &wt1, do_average);
           mult_add_store_aligned_256(&dst[i * dst_stride + j + 8 + dst_stride],
                                      &res_hi_1_round, &wt0, &wt1, do_average);
         } else {
           add_store_aligned_256(&dst[i * dst_stride + j + 8], &res_hi_0_round,
                                 do_average);
           add_store_aligned_256(&dst[i * dst_stride + j + 8 + dst_stride],
                                 &res_hi_1_round, do_average);
         }
       }
       s[0] = s[1];
       s[1] = s[2];
       s[2] = s[3];

       s[4] = s[5];
       s[5] = s[6];
       s[6] = s[7];
     }
   }
 }

 void av1_jnt_convolve_2d_avx2(const uint8_t *src, int src_stride, uint8_t *dst0,
                               int dst_stride0, int w, int h,
                               InterpFilterParams *filter_params_x,
                               InterpFilterParams *filter_params_y,
                               const int subpel_x_q4, const int subpel_y_q4,
                               ConvolveParams *conv_params) {
   CONV_BUF_TYPE *dst = conv_params->dst;
   int dst_stride = conv_params->dst_stride;
   const int bd = 8;
   (void)dst0;
   (void)dst_stride0;

   DECLARE_ALIGNED(32, int16_t, im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * 8]);
   int im_h = h + filter_params_y->taps - 1;
   int im_stride = 8;
   int i, j;
   const int fo_vert = filter_params_y->taps / 2 - 1;
   const int fo_horiz = filter_params_x->taps / 2 - 1;
   const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz;
   const int w0 = conv_params->fwd_offset;
   const int w1 = conv_params->bck_offset;
   const __m256i wt0 = _mm256_set1_epi32(w0);
   const __m256i wt1 = _mm256_set1_epi32(w1);
   const int do_average = conv_params->do_average;
   const __m128i wt0_128 = _mm256_castsi256_si128(wt0);
   const __m128i wt1_128 = _mm256_castsi256_si128(wt1);
   __m256i filt[4], s[8], coeffs_x[4], coeffs_y[4];

   assert(conv_params->round_0 > 0);

   filt[0] = _mm256_load_si256((__m256i const *)filt1_global_avx2);
   filt[1] = _mm256_load_si256((__m256i const *)filt2_global_avx2);
   filt[2] = _mm256_load_si256((__m256i const *)filt3_global_avx2);
   filt[3] = _mm256_load_si256((__m256i const *)filt4_global_avx2);

   prepare_coeffs_lowbd(filter_params_x, subpel_x_q4, coeffs_x);
   prepare_coeffs(filter_params_y, subpel_y_q4, coeffs_y);

   const __m256i round_const_h = _mm256_set1_epi16(
       ((1 << (conv_params->round_0 - 1)) >> 1) + (1 << (bd + FILTER_BITS - 2)));
   const __m128i round_shift_h = _mm_cvtsi32_si128(conv_params->round_0 - 1);

   const __m256i round_const_v = _mm256_set1_epi32(
       ((1 << conv_params->round_1) >> 1) -
       (1 << (bd + 2 * FILTER_BITS - conv_params->round_0 - 1)));
   const __m128i round_shift_v = _mm_cvtsi32_si128(conv_params->round_1);

   for (j = 0; j < w; j += 8) {
     /* Horizontal filter */
     {
       for (i = 0; i < im_h; i += 2) {
         __m256i data = _mm256_castsi128_si256(
             _mm_loadu_si128((__m128i *)&src_ptr[(i * src_stride) + j]));
         if (i + 1 < im_h)
           data = _mm256_inserti128_si256(
               data,
               _mm_loadu_si128(
                   (__m128i *)&src_ptr[(i * src_stride) + j + src_stride]),
               1);
         __m256i res = convolve_lowbd_x(data, coeffs_x, filt);

         res = _mm256_sra_epi16(_mm256_add_epi16(res, round_const_h),
                                round_shift_h);

         _mm256_store_si256((__m256i *)&im_block[i * im_stride], res);
       }
     }

     /* Vertical filter */
     {
       __m256i s0 = _mm256_loadu_si256((__m256i *)(im_block + 0 * im_stride));
       __m256i s1 = _mm256_loadu_si256((__m256i *)(im_block + 1 * im_stride));
       __m256i s2 = _mm256_loadu_si256((__m256i *)(im_block + 2 * im_stride));
       __m256i s3 = _mm256_loadu_si256((__m256i *)(im_block + 3 * im_stride));
       __m256i s4 = _mm256_loadu_si256((__m256i *)(im_block + 4 * im_stride));
       __m256i s5 = _mm256_loadu_si256((__m256i *)(im_block + 5 * im_stride));

       s[0] = _mm256_unpacklo_epi16(s0, s1);
       s[1] = _mm256_unpacklo_epi16(s2, s3);
       s[2] = _mm256_unpacklo_epi16(s4, s5);

       s[4] = _mm256_unpackhi_epi16(s0, s1);
       s[5] = _mm256_unpackhi_epi16(s2, s3);
       s[6] = _mm256_unpackhi_epi16(s4, s5);

       for (i = 0; i < h; i += 2) {
         const int16_t *data = &im_block[i * im_stride];

         const __m256i s6 =
             _mm256_loadu_si256((__m256i *)(data + 6 * im_stride));
         const __m256i s7 =
             _mm256_loadu_si256((__m256i *)(data + 7 * im_stride));

         s[3] = _mm256_unpacklo_epi16(s6, s7);
         s[7] = _mm256_unpackhi_epi16(s6, s7);

         const __m256i res_a = convolve(s, coeffs_y);
         const __m256i res_a_round = _mm256_sra_epi32(
             _mm256_add_epi32(res_a, round_const_v), round_shift_v);

         if (w - j > 4) {
           const __m256i res_b = convolve(s + 4, coeffs_y);
           const __m256i res_b_round = _mm256_sra_epi32(
               _mm256_add_epi32(res_b, round_const_v), round_shift_v);
           const __m256i res_ax =
               _mm256_permute2x128_si256(res_a_round, res_b_round, 0x20);
           const __m256i res_bx =
               _mm256_permute2x128_si256(res_a_round, res_b_round, 0x31);

           if (conv_params->use_jnt_comp_avg) {
             mult_add_store_aligned_256(&dst[i * dst_stride + j], &res_ax, &wt0,
                                        &wt1, do_average);
             mult_add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
                                        &res_bx, &wt0, &wt1, do_average);
           } else {
             add_store_aligned_256(&dst[i * dst_stride + j], &res_ax,
                                   do_average);
             add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
                                   &res_bx, do_average);
           }
         } else {
           const __m128i res_ax = _mm256_castsi256_si128(res_a_round);
           const __m128i res_bx = _mm256_extracti128_si256(res_a_round, 1);

           if (conv_params->use_jnt_comp_avg) {
             mult_add_store(&dst[i * dst_stride + j], &res_ax, &wt0_128,
                            &wt1_128, do_average);
             mult_add_store(&dst[i * dst_stride + j + dst_stride], &res_bx,
                            &wt0_128, &wt1_128, do_average);
           } else {
             add_store(&dst[i * dst_stride + j], &res_ax, do_average);
             add_store(&dst[i * dst_stride + j + dst_stride], &res_bx,
                       do_average);
           }
         }

         s[0] = s[1];
         s[1] = s[2];
         s[2] = s[3];

         s[4] = s[5];
         s[5] = s[6];
         s[6] = s[7];
       }
     }
   }
 }

 void av1_jnt_convolve_2d_copy_avx2(const uint8_t *src, int src_stride,
                                    uint8_t *dst0, int dst_stride0, int w, int h,
                                    InterpFilterParams *filter_params_x,
                                    InterpFilterParams *filter_params_y,
                                    const int subpel_x_q4, const int subpel_y_q4,
                                    ConvolveParams *conv_params) {
   CONV_BUF_TYPE *dst = conv_params->dst;
   int dst_stride = conv_params->dst_stride;
   (void)filter_params_x;
   (void)filter_params_y;
   (void)subpel_x_q4;
   (void)subpel_y_q4;
   (void)dst0;
   (void)dst_stride0;

   const int bits =
       FILTER_BITS * 2 - conv_params->round_1 - conv_params->round_0;
   const __m128i left_shift = _mm_cvtsi32_si128(bits);
   const int do_average = conv_params->do_average;
   const int w0 = conv_params->fwd_offset;
   const int w1 = conv_params->bck_offset;
   const __m256i wt0 = _mm256_set1_epi32(w0);
   const __m256i wt1 = _mm256_set1_epi32(w1);
   const __m256i zero = _mm256_setzero_si256();
   int i, j;

   if (!(w % 16)) {
     for (i = 0; i < h; i += 1) {
       for (j = 0; j < w; j += 16) {
         const __m256i src_16bit = _mm256_cvtepu8_epi16(
             _mm_loadu_si128((__m128i *)(&src[i * src_stride + j])));

         const __m256i res = _mm256_sll_epi16(src_16bit, left_shift);
         const __m256i res_lo =
             _mm256_cvtepu16_epi32(_mm256_castsi256_si128(res));
         const __m256i res_hi =
             _mm256_cvtepu16_epi32(_mm256_extracti128_si256(res, 1));

         if (conv_params->use_jnt_comp_avg) {
           mult_add_store_aligned_256(&dst[i * dst_stride + j], &res_lo, &wt0,
                                      &wt1, do_average);
           mult_add_store_aligned_256(&dst[i * dst_stride + j + 8], &res_hi,
                                      &wt0, &wt1, do_average);
         } else {
           add_store_aligned_256(&dst[i * dst_stride + j], &res_lo, do_average);
           add_store_aligned_256(&dst[i * dst_stride + j + 8], &res_hi,
                                 do_average);
         }
       }
     }
   } else if (!(w % 4)) {
     for (i = 0; i < h; i += 2) {
       for (j = 0; j < w; j += 8) {
         const __m128i src_row_0 =
             _mm_loadl_epi64((__m128i *)(&src[i * src_stride + j]));
         const __m128i src_row_1 =
             _mm_loadl_epi64((__m128i *)(&src[i * src_stride + j + src_stride]));
         // since not all compilers yet support _mm256_set_m128i()
         const __m256i src_10 = _mm256_insertf128_si256(
             _mm256_castsi128_si256(src_row_0), src_row_1, 1);

         const __m256i src_16bit = _mm256_unpacklo_epi8(src_10, zero);

         const __m256i res = _mm256_sll_epi16(src_16bit, left_shift);

         const __m256i res_lo =
             _mm256_cvtepu16_epi32(_mm256_castsi256_si128(res));
         const __m256i res_hi =
             _mm256_cvtepu16_epi32(_mm256_extracti128_si256(res, 1));

         if (conv_params->use_jnt_comp_avg) {
           mult_add_store_aligned_256(&dst[i * dst_stride + j], &res_lo, &wt0,
                                      &wt1, do_average);
           mult_add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
                                      &res_hi, &wt0, &wt1, do_average);
         } else {
           add_store_aligned_256(&dst[i * dst_stride + j], &res_lo, do_average);
           add_store_aligned_256(&dst[i * dst_stride + j + dst_stride], &res_hi,
                                 do_average);
         }
       }
     }
   }
 }
 #endif
	/*
	* Copyright (c) 2018, 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 <immintrin.h>

	#include "./aom_dsp_rtcd.h"
	#include "aom_dsp/aom_convolve.h"
	#include "aom_dsp/x86/convolve_avx2.h"
	#include "aom_dsp/x86/convolve_common_intrin.h"
	#include "aom_dsp/x86/convolve_sse4_1.h"
	#include "aom_dsp/aom_dsp_common.h"
	#include "aom_dsp/aom_filter.h"
	#include "av1/common/convolve.h"

	#if CONFIG_JNT_COMP
	void av1_jnt_convolve_x_avx2(const uint8_t *src, int src_stride,
	const uint8_t *dst0, int dst_stride0, int w, int h,
	InterpFilterParams *filter_params_x,
	InterpFilterParams *filter_params_y,
	const int subpel_x_q4, const int subpel_y_q4,
	ConvolveParams *conv_params) {
	CONV_BUF_TYPE *dst = conv_params->dst;
	int dst_stride = conv_params->dst_stride;
	int i, j;
	const int fo_horiz = filter_params_x->taps / 2 - 1;
	const uint8_t *const src_ptr = src - fo_horiz;
	const int bits = FILTER_BITS - conv_params->round_1;
	const int w0 = conv_params->fwd_offset;
	const int w1 = conv_params->bck_offset;
	const __m256i wt0 = _mm256_set1_epi32(w0);
	const __m256i wt1 = _mm256_set1_epi32(w1);
	const int do_average = conv_params->do_average;
	__m256i filt[4], coeffs[4];

	assert(bits >= 0);
	assert(conv_params->round_0 > 0);

	filt[0] = _mm256_load_si256((__m256i const *)filt1_global_avx2);
	filt[1] = _mm256_load_si256((__m256i const *)filt2_global_avx2);
	filt[2] = _mm256_load_si256((__m256i const *)filt3_global_avx2);
	filt[3] = _mm256_load_si256((__m256i const *)filt4_global_avx2);

	prepare_coeffs_lowbd(filter_params_x, subpel_x_q4, coeffs);

	const __m256i round_const =
	_mm256_set1_epi16((1 << (conv_params->round_0 - 1)) >> 1);
	const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0 - 1);

	(void)filter_params_y;
	(void)subpel_y_q4;
	(void)dst0;
	(void)dst_stride0;

	for (i = 0; i < h; i += 2) {
	for (j = 0; j < w; j += 8) {
	const __m256i data = _mm256_permute2x128_si256(
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(&src_ptr[i src_stride + j]))),
	_mm256_castsi128_si256(_mm_loadu_si128(
	(__m128i )(&src_ptr[i src_stride + j + src_stride]))),
	0x20);

	__m256i res = convolve_lowbd_x(data, coeffs, filt);

	res = _mm256_sra_epi16(_mm256_add_epi16(res, round_const), round_shift);

	const __m256i res_lo_round =
	_mm256_cvtepi16_epi32(_mm256_castsi256_si128(res));
	const __m256i res_hi_round =
	_mm256_cvtepi16_epi32(_mm256_extracti128_si256(res, 1));

	const __m256i res_lo_shift = _mm256_slli_epi32(res_lo_round, bits);
	const __m256i res_hi_shift = _mm256_slli_epi32(res_hi_round, bits);

	// Accumulate values into the destination buffer
	if (conv_params->use_jnt_comp_avg) {
	mult_add_store_aligned_256(&dst[i * dst_stride + j], &res_lo_shift,
	&wt0, &wt1, do_average);
	mult_add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
	&res_hi_shift, &wt0, &wt1, do_average);
	} else {
	add_store_aligned_256(&dst[i * dst_stride + j], &res_lo_shift,
	do_average);
	add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
	&res_hi_shift, do_average);
	}
	}
	}
	}

	void av1_jnt_convolve_y_avx2(const uint8_t *src, int src_stride,
	const uint8_t *dst0, int dst_stride0, int w, int h,
	InterpFilterParams *filter_params_x,
	InterpFilterParams *filter_params_y,
	const int subpel_x_q4, const int subpel_y_q4,
	ConvolveParams *conv_params) {
	CONV_BUF_TYPE *dst = conv_params->dst;
	int dst_stride = conv_params->dst_stride;
	int i, j;
	const int fo_vert = filter_params_y->taps / 2 - 1;
	const uint8_t const src_ptr = src - fo_vert src_stride;
	// +1 to compensate for dividing the filter coeffs by 2
	const int left_shift = FILTER_BITS - conv_params->round_0 + 1;
	const __m256i round_const =
	_mm256_set1_epi32((1 << conv_params->round_1) >> 1);
	const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1);
	const int w0 = conv_params->fwd_offset;
	const int w1 = conv_params->bck_offset;
	const __m256i wt0 = _mm256_set1_epi32(w0);
	const __m256i wt1 = _mm256_set1_epi32(w1);
	const int do_average = conv_params->do_average;
	__m256i coeffs[4], s[8];

	assert((FILTER_BITS - conv_params->round_0) >= 0);

	prepare_coeffs_lowbd(filter_params_y, subpel_y_q4, coeffs);

	(void)conv_params;
	(void)filter_params_x;
	(void)subpel_x_q4;
	(void)dst0;
	(void)dst_stride0;

	for (j = 0; j < w; j += 16) {
	const uint8_t *data = &src_ptr[j];
	__m256i src6;

	// Load lines a and b. Line a to lower 128, line b to upper 128
	const __m256i src_01a = _mm256_permute2x128_si256(
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 0 src_stride))),
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 1 src_stride))),
	0x20);

	const __m256i src_12a = _mm256_permute2x128_si256(
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 1 src_stride))),
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 2 src_stride))),
	0x20);

	const __m256i src_23a = _mm256_permute2x128_si256(
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 2 src_stride))),
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 3 src_stride))),
	0x20);

	const __m256i src_34a = _mm256_permute2x128_si256(
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 3 src_stride))),
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 4 src_stride))),
	0x20);

	const __m256i src_45a = _mm256_permute2x128_si256(
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 4 src_stride))),
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 5 src_stride))),
	0x20);

	src6 = _mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 6 src_stride)));
	const __m256i src_56a = _mm256_permute2x128_si256(
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 5 src_stride))),
	src6, 0x20);

	s[0] = _mm256_unpacklo_epi8(src_01a, src_12a);
	s[1] = _mm256_unpacklo_epi8(src_23a, src_34a);
	s[2] = _mm256_unpacklo_epi8(src_45a, src_56a);

	s[4] = _mm256_unpackhi_epi8(src_01a, src_12a);
	s[5] = _mm256_unpackhi_epi8(src_23a, src_34a);
	s[6] = _mm256_unpackhi_epi8(src_45a, src_56a);

	for (i = 0; i < h; i += 2) {
	data = &src_ptr[i * src_stride + j];
	const __m256i src_67a = _mm256_permute2x128_si256(
	src6,
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 7 src_stride))),
	0x20);

	src6 = _mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 8 src_stride)));
	const __m256i src_78a = _mm256_permute2x128_si256(
	_mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )(data + 7 src_stride))),
	src6, 0x20);

	s[3] = _mm256_unpacklo_epi8(src_67a, src_78a);
	s[7] = _mm256_unpackhi_epi8(src_67a, src_78a);

	const __m256i res_lo = convolve_lowbd(s, coeffs);

	const __m256i res_lo_0_32b =
	_mm256_cvtepi16_epi32(_mm256_castsi256_si128(res_lo));
	const __m256i res_lo_0_shift =
	_mm256_slli_epi32(res_lo_0_32b, left_shift);
	const __m256i res_lo_0_round = _mm256_sra_epi32(
	_mm256_add_epi32(res_lo_0_shift, round_const), round_shift);

	const __m256i res_lo_1_32b =
	_mm256_cvtepi16_epi32(_mm256_extracti128_si256(res_lo, 1));
	const __m256i res_lo_1_shift =
	_mm256_slli_epi32(res_lo_1_32b, left_shift);
	const __m256i res_lo_1_round = _mm256_sra_epi32(
	_mm256_add_epi32(res_lo_1_shift, round_const), round_shift);

	// Accumulate values into the destination buffer
	if (conv_params->use_jnt_comp_avg) {
	mult_add_store_aligned_256(&dst[i * dst_stride + j], &res_lo_0_round,
	&wt0, &wt1, do_average);
	mult_add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
	&res_lo_1_round, &wt0, &wt1, do_average);
	} else {
	add_store_aligned_256(&dst[i * dst_stride + j], &res_lo_0_round,
	do_average);
	add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
	&res_lo_1_round, do_average);
	}

	if (w - j > 8) {
	const __m256i res_hi = convolve_lowbd(s + 4, coeffs);

	const __m256i res_hi_0_32b =
	_mm256_cvtepi16_epi32(_mm256_castsi256_si128(res_hi));
	const __m256i res_hi_0_shift =
	_mm256_slli_epi32(res_hi_0_32b, left_shift);
	const __m256i res_hi_0_round = _mm256_sra_epi32(
	_mm256_add_epi32(res_hi_0_shift, round_const), round_shift);

	const __m256i res_hi_1_32b =
	_mm256_cvtepi16_epi32(_mm256_extracti128_si256(res_hi, 1));
	const __m256i res_hi_1_shift =
	_mm256_slli_epi32(res_hi_1_32b, left_shift);
	const __m256i res_hi_1_round = _mm256_sra_epi32(
	_mm256_add_epi32(res_hi_1_shift, round_const), round_shift);

	if (conv_params->use_jnt_comp_avg) {
	mult_add_store_aligned_256(&dst[i * dst_stride + j + 8],
	&res_hi_0_round, &wt0, &wt1, do_average);
	mult_add_store_aligned_256(&dst[i * dst_stride + j + 8 + dst_stride],
	&res_hi_1_round, &wt0, &wt1, do_average);
	} else {
	add_store_aligned_256(&dst[i * dst_stride + j + 8], &res_hi_0_round,
	do_average);
	add_store_aligned_256(&dst[i * dst_stride + j + 8 + dst_stride],
	&res_hi_1_round, do_average);
	}
	}
	s[0] = s[1];
	s[1] = s[2];
	s[2] = s[3];

	s[4] = s[5];
	s[5] = s[6];
	s[6] = s[7];
	}
	}
	}

	void av1_jnt_convolve_2d_avx2(const uint8_t src, int src_stride, uint8_t dst0,
	int dst_stride0, int w, int h,
	InterpFilterParams *filter_params_x,
	InterpFilterParams *filter_params_y,
	const int subpel_x_q4, const int subpel_y_q4,
	ConvolveParams *conv_params) {
	CONV_BUF_TYPE *dst = conv_params->dst;
	int dst_stride = conv_params->dst_stride;
	const int bd = 8;
	(void)dst0;
	(void)dst_stride0;

	DECLARE_ALIGNED(32, int16_t, im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * 8]);
	int im_h = h + filter_params_y->taps - 1;
	int im_stride = 8;
	int i, j;
	const int fo_vert = filter_params_y->taps / 2 - 1;
	const int fo_horiz = filter_params_x->taps / 2 - 1;
	const uint8_t const src_ptr = src - fo_vert src_stride - fo_horiz;
	const int w0 = conv_params->fwd_offset;
	const int w1 = conv_params->bck_offset;
	const __m256i wt0 = _mm256_set1_epi32(w0);
	const __m256i wt1 = _mm256_set1_epi32(w1);
	const int do_average = conv_params->do_average;
	const __m128i wt0_128 = _mm256_castsi256_si128(wt0);
	const __m128i wt1_128 = _mm256_castsi256_si128(wt1);
	__m256i filt[4], s[8], coeffs_x[4], coeffs_y[4];

	assert(conv_params->round_0 > 0);

	filt[0] = _mm256_load_si256((__m256i const *)filt1_global_avx2);
	filt[1] = _mm256_load_si256((__m256i const *)filt2_global_avx2);
	filt[2] = _mm256_load_si256((__m256i const *)filt3_global_avx2);
	filt[3] = _mm256_load_si256((__m256i const *)filt4_global_avx2);

	prepare_coeffs_lowbd(filter_params_x, subpel_x_q4, coeffs_x);
	prepare_coeffs(filter_params_y, subpel_y_q4, coeffs_y);

	const __m256i round_const_h = _mm256_set1_epi16(
	((1 << (conv_params->round_0 - 1)) >> 1) + (1 << (bd + FILTER_BITS - 2)));
	const __m128i round_shift_h = _mm_cvtsi32_si128(conv_params->round_0 - 1);

	const __m256i round_const_v = _mm256_set1_epi32(
	((1 << conv_params->round_1) >> 1) -
	(1 << (bd + 2 * FILTER_BITS - conv_params->round_0 - 1)));
	const __m128i round_shift_v = _mm_cvtsi32_si128(conv_params->round_1);

	for (j = 0; j < w; j += 8) {
	/* Horizontal filter */
	{
	for (i = 0; i < im_h; i += 2) {
	__m256i data = _mm256_castsi128_si256(
	_mm_loadu_si128((__m128i )&src_ptr[(i src_stride) + j]));
	if (i + 1 < im_h)
	data = _mm256_inserti128_si256(
	data,
	_mm_loadu_si128(
	(__m128i )&src_ptr[(i src_stride) + j + src_stride]),
	1);
	__m256i res = convolve_lowbd_x(data, coeffs_x, filt);

	res = _mm256_sra_epi16(_mm256_add_epi16(res, round_const_h),
	round_shift_h);

	_mm256_store_si256((__m256i )&im_block[i im_stride], res);
	}
	}

	/* Vertical filter */
	{
	__m256i s0 = _mm256_loadu_si256((__m256i )(im_block + 0 im_stride));
	__m256i s1 = _mm256_loadu_si256((__m256i )(im_block + 1 im_stride));
	__m256i s2 = _mm256_loadu_si256((__m256i )(im_block + 2 im_stride));
	__m256i s3 = _mm256_loadu_si256((__m256i )(im_block + 3 im_stride));
	__m256i s4 = _mm256_loadu_si256((__m256i )(im_block + 4 im_stride));
	__m256i s5 = _mm256_loadu_si256((__m256i )(im_block + 5 im_stride));

	s[0] = _mm256_unpacklo_epi16(s0, s1);
	s[1] = _mm256_unpacklo_epi16(s2, s3);
	s[2] = _mm256_unpacklo_epi16(s4, s5);

	s[4] = _mm256_unpackhi_epi16(s0, s1);
	s[5] = _mm256_unpackhi_epi16(s2, s3);
	s[6] = _mm256_unpackhi_epi16(s4, s5);

	for (i = 0; i < h; i += 2) {
	const int16_t data = &im_block[i im_stride];

	const __m256i s6 =
	_mm256_loadu_si256((__m256i )(data + 6 im_stride));
	const __m256i s7 =
	_mm256_loadu_si256((__m256i )(data + 7 im_stride));

	s[3] = _mm256_unpacklo_epi16(s6, s7);
	s[7] = _mm256_unpackhi_epi16(s6, s7);

	const __m256i res_a = convolve(s, coeffs_y);
	const __m256i res_a_round = _mm256_sra_epi32(
	_mm256_add_epi32(res_a, round_const_v), round_shift_v);

	if (w - j > 4) {
	const __m256i res_b = convolve(s + 4, coeffs_y);
	const __m256i res_b_round = _mm256_sra_epi32(
	_mm256_add_epi32(res_b, round_const_v), round_shift_v);
	const __m256i res_ax =
	_mm256_permute2x128_si256(res_a_round, res_b_round, 0x20);
	const __m256i res_bx =
	_mm256_permute2x128_si256(res_a_round, res_b_round, 0x31);

	if (conv_params->use_jnt_comp_avg) {
	mult_add_store_aligned_256(&dst[i * dst_stride + j], &res_ax, &wt0,
	&wt1, do_average);
	mult_add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
	&res_bx, &wt0, &wt1, do_average);
	} else {
	add_store_aligned_256(&dst[i * dst_stride + j], &res_ax,
	do_average);
	add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
	&res_bx, do_average);
	}
	} else {
	const __m128i res_ax = _mm256_castsi256_si128(res_a_round);
	const __m128i res_bx = _mm256_extracti128_si256(res_a_round, 1);

	if (conv_params->use_jnt_comp_avg) {
	mult_add_store(&dst[i * dst_stride + j], &res_ax, &wt0_128,
	&wt1_128, do_average);
	mult_add_store(&dst[i * dst_stride + j + dst_stride], &res_bx,
	&wt0_128, &wt1_128, do_average);
	} else {
	add_store(&dst[i * dst_stride + j], &res_ax, do_average);
	add_store(&dst[i * dst_stride + j + dst_stride], &res_bx,
	do_average);
	}
	}

	s[0] = s[1];
	s[1] = s[2];
	s[2] = s[3];

	s[4] = s[5];
	s[5] = s[6];
	s[6] = s[7];
	}
	}
	}
	}

	void av1_jnt_convolve_2d_copy_avx2(const uint8_t *src, int src_stride,
	uint8_t *dst0, int dst_stride0, int w, int h,
	InterpFilterParams *filter_params_x,
	InterpFilterParams *filter_params_y,
	const int subpel_x_q4, const int subpel_y_q4,
	ConvolveParams *conv_params) {
	CONV_BUF_TYPE *dst = conv_params->dst;
	int dst_stride = conv_params->dst_stride;
	(void)filter_params_x;
	(void)filter_params_y;
	(void)subpel_x_q4;
	(void)subpel_y_q4;
	(void)dst0;
	(void)dst_stride0;

	const int bits =
	FILTER_BITS * 2 - conv_params->round_1 - conv_params->round_0;
	const __m128i left_shift = _mm_cvtsi32_si128(bits);
	const int do_average = conv_params->do_average;
	const int w0 = conv_params->fwd_offset;
	const int w1 = conv_params->bck_offset;
	const __m256i wt0 = _mm256_set1_epi32(w0);
	const __m256i wt1 = _mm256_set1_epi32(w1);
	const __m256i zero = _mm256_setzero_si256();
	int i, j;

	if (!(w % 16)) {
	for (i = 0; i < h; i += 1) {
	for (j = 0; j < w; j += 16) {
	const __m256i src_16bit = _mm256_cvtepu8_epi16(
	_mm_loadu_si128((__m128i )(&src[i src_stride + j])));

	const __m256i res = _mm256_sll_epi16(src_16bit, left_shift);
	const __m256i res_lo =
	_mm256_cvtepu16_epi32(_mm256_castsi256_si128(res));
	const __m256i res_hi =
	_mm256_cvtepu16_epi32(_mm256_extracti128_si256(res, 1));

	if (conv_params->use_jnt_comp_avg) {
	mult_add_store_aligned_256(&dst[i * dst_stride + j], &res_lo, &wt0,
	&wt1, do_average);
	mult_add_store_aligned_256(&dst[i * dst_stride + j + 8], &res_hi,
	&wt0, &wt1, do_average);
	} else {
	add_store_aligned_256(&dst[i * dst_stride + j], &res_lo, do_average);
	add_store_aligned_256(&dst[i * dst_stride + j + 8], &res_hi,
	do_average);
	}
	}
	}
	} else if (!(w % 4)) {
	for (i = 0; i < h; i += 2) {
	for (j = 0; j < w; j += 8) {
	const __m128i src_row_0 =
	_mm_loadl_epi64((__m128i )(&src[i src_stride + j]));
	const __m128i src_row_1 =
	_mm_loadl_epi64((__m128i )(&src[i src_stride + j + src_stride]));
	// since not all compilers yet support _mm256_set_m128i()
	const __m256i src_10 = _mm256_insertf128_si256(
	_mm256_castsi128_si256(src_row_0), src_row_1, 1);

	const __m256i src_16bit = _mm256_unpacklo_epi8(src_10, zero);

	const __m256i res = _mm256_sll_epi16(src_16bit, left_shift);

	const __m256i res_lo =
	_mm256_cvtepu16_epi32(_mm256_castsi256_si128(res));
	const __m256i res_hi =
	_mm256_cvtepu16_epi32(_mm256_extracti128_si256(res, 1));

	if (conv_params->use_jnt_comp_avg) {
	mult_add_store_aligned_256(&dst[i * dst_stride + j], &res_lo, &wt0,
	&wt1, do_average);
	mult_add_store_aligned_256(&dst[i * dst_stride + j + dst_stride],
	&res_hi, &wt0, &wt1, do_average);
	} else {
	add_store_aligned_256(&dst[i * dst_stride + j], &res_lo, do_average);
	add_store_aligned_256(&dst[i * dst_stride + j + dst_stride], &res_hi,
	do_average);
	}
	}
	}
	}
	}
	#endif