av1/common/x86/jnt_convolve_sse2.c - aom - 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 <emmintrin.h>

 #include "config/av1_rtcd.h"

 #include "aom_dsp/aom_filter.h"
 #include "aom_dsp/x86/convolve_sse2.h"
 #include "aom_dsp/x86/synonyms.h"

 void av1_dist_wtd_convolve_x_sse2(const uint8_t *src, int src_stride,
                                   uint8_t *dst0, int dst_stride0, int w, int h,
                                   const InterpFilterParams *filter_params_x,
                                   const int subpel_x_qn,
                                   ConvolveParams *conv_params) {
   const int bd = 8;
   CONV_BUF_TYPE *dst = conv_params->dst;
   const int dst_stride = conv_params->dst_stride;
   const int fo_horiz = filter_params_x->taps / 2 - 1;
   const uint8_t *src_ptr = src - fo_horiz;
   const int bits = FILTER_BITS - conv_params->round_1;
   const __m128i left_shift = _mm_cvtsi32_si128(bits);
   const __m128i round_const = _mm_set1_epi32((1 << conv_params->round_0) >> 1);
   const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0);
   const int w0 = conv_params->fwd_offset;
   const int w1 = conv_params->bck_offset;
   const __m128i wt0 = _mm_set1_epi16(w0);
   const __m128i wt1 = _mm_set1_epi16(w1);
   const __m128i wt = _mm_unpacklo_epi16(wt0, wt1);
   const int do_average = conv_params->do_average;
   const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg;
   const int offset_0 =
       bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
   const int offset = (1 << offset_0) + (1 << (offset_0 - 1));
   const __m128i offset_const = _mm_set1_epi16(offset);
   const int rounding_shift =
       2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
   const __m128i rounding_const = _mm_set1_epi16((1 << rounding_shift) >> 1);
   __m128i coeffs[4];

   prepare_coeffs(filter_params_x, subpel_x_qn, coeffs);

   if (w == 4) {
     do {
       const __m128i data = _mm_loadu_si128((__m128i *)src_ptr);
       __m128i s[4];

       s[0] = _mm_unpacklo_epi8(data, _mm_srli_si128(data, 1));
       s[1] =
           _mm_unpacklo_epi8(_mm_srli_si128(data, 2), _mm_srli_si128(data, 3));
       s[2] =
           _mm_unpacklo_epi8(_mm_srli_si128(data, 4), _mm_srli_si128(data, 5));
       s[3] =
           _mm_unpacklo_epi8(_mm_srli_si128(data, 6), _mm_srli_si128(data, 7));
       const __m128i res_lo = convolve_lo_x(s, coeffs);
       const __m128i res_lo_round =
           _mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift);
       const __m128i res_lo_shift = _mm_sll_epi32(res_lo_round, left_shift);

       const __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_lo_shift);
       const __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);

       // Accumulate values into the destination buffer
       if (do_average) {
         const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)dst);

         const __m128i comp_avg_res =
             comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);

         const __m128i round_result = convolve_rounding(
             &comp_avg_res, &offset_const, &rounding_const, rounding_shift);

         const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
         *(int *)(&dst0[0]) = _mm_cvtsi128_si32(res_8);
       } else {
         _mm_store_si128((__m128i *)(&dst[0]), res_unsigned);
       }
       src_ptr += src_stride;
       dst += dst_stride;
       dst0 += dst_stride0;
     } while (--h);
   } else {
     assert(!(w % 8));
     int i = 0;
     do {
       int j = 0;
       do {
         const __m128i data =
             _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]);
         __m128i s[4];

         // Filter even-index pixels
         s[0] = data;
         s[1] = _mm_srli_si128(data, 2);
         s[2] = _mm_srli_si128(data, 4);
         s[3] = _mm_srli_si128(data, 6);
         const __m128i res_even = convolve_lo_x(s, coeffs);

         // Filter odd-index pixels
         s[0] = _mm_srli_si128(data, 1);
         s[1] = _mm_srli_si128(data, 3);
         s[2] = _mm_srli_si128(data, 5);
         s[3] = _mm_srli_si128(data, 7);
         const __m128i res_odd = convolve_lo_x(s, coeffs);

         // Rearrange pixels back into the order 0 ... 7
         const __m128i res_lo = _mm_unpacklo_epi32(res_even, res_odd);
         const __m128i res_hi = _mm_unpackhi_epi32(res_even, res_odd);
         const __m128i res_lo_round =
             _mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift);
         const __m128i res_hi_round =
             _mm_sra_epi32(_mm_add_epi32(res_hi, round_const), round_shift);
         const __m128i res_lo_shift = _mm_sll_epi32(res_lo_round, left_shift);
         const __m128i res_hi_shift = _mm_sll_epi32(res_hi_round, left_shift);

         const __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift);
         const __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);

         // Accumulate values into the destination buffer
         if (do_average) {
           const __m128i data_ref_0 =
               _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]));

           const __m128i comp_avg_res =
               comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);

           const __m128i round_result = convolve_rounding(
               &comp_avg_res, &offset_const, &rounding_const, rounding_shift);

           const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
           _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8);
         } else {
           _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned);
         }
         j += 8;
       } while (j < w);
     } while (++i < h);
   }
 }

 void av1_dist_wtd_convolve_y_sse2(const uint8_t *src, int src_stride,
                                   uint8_t *dst0, int dst_stride0, int w, int h,
                                   const InterpFilterParams *filter_params_y,
                                   const int subpel_y_qn,
                                   ConvolveParams *conv_params) {
   const int bd = 8;
   CONV_BUF_TYPE *dst = conv_params->dst;
   const int dst_stride = conv_params->dst_stride;
   const int fo_vert = filter_params_y->taps / 2 - 1;
   const uint8_t *src_ptr = src - fo_vert * src_stride;
   const int bits = FILTER_BITS - conv_params->round_0;
   const __m128i left_shift = _mm_cvtsi32_si128(bits);
   const __m128i wt0 = _mm_set1_epi16(conv_params->fwd_offset);
   const __m128i wt1 = _mm_set1_epi16(conv_params->bck_offset);
   const __m128i wt = _mm_unpacklo_epi16(wt0, wt1);
   const int do_average = conv_params->do_average;
   const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg;
   const int offset_0 =
       bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
   const int offset = (1 << offset_0) + (1 << (offset_0 - 1));
   const __m128i offset_const = _mm_set1_epi16(offset);
   const int rounding_shift =
       2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
   const __m128i rounding_const = _mm_set1_epi16((1 << rounding_shift) >> 1);
   const __m128i round_const = _mm_set1_epi32((1 << conv_params->round_1) >> 1);
   const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1);
   __m128i coeffs[4];

   prepare_coeffs(filter_params_y, subpel_y_qn, coeffs);

   if (w == 4) {
     __m128i s[8], src6, res, res_shift;
     s[0] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 0 * src_stride),
                              xx_loadl_32(src_ptr + 1 * src_stride));
     s[1] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 1 * src_stride),
                              xx_loadl_32(src_ptr + 2 * src_stride));
     s[2] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 2 * src_stride),
                              xx_loadl_32(src_ptr + 3 * src_stride));
     s[3] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 3 * src_stride),
                              xx_loadl_32(src_ptr + 4 * src_stride));
     s[4] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 4 * src_stride),
                              xx_loadl_32(src_ptr + 5 * src_stride));
     src6 = xx_loadl_32(src_ptr + 6 * src_stride);
     s[5] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 5 * src_stride), src6);

     do {
       s[6] = _mm_unpacklo_epi8(src6, xx_loadl_32(src_ptr + 7 * src_stride));
       src6 = xx_loadl_32(src_ptr + 8 * src_stride);
       s[7] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 7 * src_stride), src6);

       res = convolve_lo_y(s + 0, coeffs);
       res_shift = _mm_sll_epi32(res, left_shift);
       res_shift =
           _mm_sra_epi32(_mm_add_epi32(res_shift, round_const), round_shift);

       __m128i res_16b = _mm_packs_epi32(res_shift, res_shift);
       __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);

       // Accumulate values into the destination buffer
       if (do_average) {
         const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)dst);

         const __m128i comp_avg_res =
             comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);

         const __m128i round_result = convolve_rounding(
             &comp_avg_res, &offset_const, &rounding_const, rounding_shift);

         const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
         *(int *)(&dst0[0]) = _mm_cvtsi128_si32(res_8);

       } else {
         _mm_store_si128((__m128i *)dst, res_unsigned);
       }

       src_ptr += src_stride;
       dst += dst_stride;
       dst0 += dst_stride0;

       res = convolve_lo_y(s + 1, coeffs);
       res_shift = _mm_sll_epi32(res, left_shift);
       res_shift =
           _mm_sra_epi32(_mm_add_epi32(res_shift, round_const), round_shift);

       res_16b = _mm_packs_epi32(res_shift, res_shift);
       res_unsigned = _mm_add_epi16(res_16b, offset_const);

       // Accumulate values into the destination buffer
       if (do_average) {
         const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)dst);

         const __m128i comp_avg_res =
             comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);

         const __m128i round_result = convolve_rounding(
             &comp_avg_res, &offset_const, &rounding_const, rounding_shift);

         const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
         *(int *)(&dst0[0]) = _mm_cvtsi128_si32(res_8);

       } else {
         _mm_store_si128((__m128i *)dst, res_unsigned);
       }

       src_ptr += src_stride;
       dst += dst_stride;
       dst0 += dst_stride0;

       s[0] = s[2];
       s[1] = s[3];
       s[2] = s[4];
       s[3] = s[5];
       s[4] = s[6];
       s[5] = s[7];
       h -= 2;
     } while (h);
   } else {
     assert(!(w % 8));
     int j = 0;
     do {
       __m128i s[8], src6, res_lo, res_hi, res_lo_shift, res_hi_shift;
       const uint8_t *data = &src_ptr[j];

       src6 = _mm_loadl_epi64((__m128i *)(data + 6 * src_stride));
       s[0] = _mm_unpacklo_epi8(
           _mm_loadl_epi64((__m128i *)(data + 0 * src_stride)),
           _mm_loadl_epi64((__m128i *)(data + 1 * src_stride)));
       s[1] = _mm_unpacklo_epi8(
           _mm_loadl_epi64((__m128i *)(data + 1 * src_stride)),
           _mm_loadl_epi64((__m128i *)(data + 2 * src_stride)));
       s[2] = _mm_unpacklo_epi8(
           _mm_loadl_epi64((__m128i *)(data + 2 * src_stride)),
           _mm_loadl_epi64((__m128i *)(data + 3 * src_stride)));
       s[3] = _mm_unpacklo_epi8(
           _mm_loadl_epi64((__m128i *)(data + 3 * src_stride)),
           _mm_loadl_epi64((__m128i *)(data + 4 * src_stride)));
       s[4] = _mm_unpacklo_epi8(
           _mm_loadl_epi64((__m128i *)(data + 4 * src_stride)),
           _mm_loadl_epi64((__m128i *)(data + 5 * src_stride)));
       s[5] = _mm_unpacklo_epi8(
           _mm_loadl_epi64((__m128i *)(data + 5 * src_stride)), src6);

       int i = 0;
       do {
         data = &src_ptr[i * src_stride + j];
         s[6] = _mm_unpacklo_epi8(
             src6, _mm_loadl_epi64((__m128i *)(data + 7 * src_stride)));
         src6 = _mm_loadl_epi64((__m128i *)(data + 8 * src_stride));
         s[7] = _mm_unpacklo_epi8(
             _mm_loadl_epi64((__m128i *)(data + 7 * src_stride)), src6);

         res_lo = convolve_lo_y(s, coeffs);  // Filter low index pixels
         res_hi = convolve_hi_y(s, coeffs);  // Filter high index pixels
         res_lo_shift = _mm_sll_epi32(res_lo, left_shift);
         res_hi_shift = _mm_sll_epi32(res_hi, left_shift);
         res_lo_shift = _mm_sra_epi32(_mm_add_epi32(res_lo_shift, round_const),
                                      round_shift);
         res_hi_shift = _mm_sra_epi32(_mm_add_epi32(res_hi_shift, round_const),
                                      round_shift);

         __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift);
         __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);

         // Accumulate values into the destination buffer
         if (do_average) {
           const __m128i data_ref_0 =
               _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]));

           const __m128i comp_avg_res =
               comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);

           const __m128i round_result = convolve_rounding(
               &comp_avg_res, &offset_const, &rounding_const, rounding_shift);

           const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
           _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8);
         } else {
           _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned);
         }
         i++;

         res_lo = convolve_lo_y(s + 1, coeffs);  // Filter low index pixels
         res_hi = convolve_hi_y(s + 1, coeffs);  // Filter high index pixels
         res_lo_shift = _mm_sll_epi32(res_lo, left_shift);
         res_hi_shift = _mm_sll_epi32(res_hi, left_shift);
         res_lo_shift = _mm_sra_epi32(_mm_add_epi32(res_lo_shift, round_const),
                                      round_shift);
         res_hi_shift = _mm_sra_epi32(_mm_add_epi32(res_hi_shift, round_const),
                                      round_shift);
         res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift);
         res_unsigned = _mm_add_epi16(res_16b, offset_const);

         // Accumulate values into the destination buffer
         if (do_average) {
           __m128i data_ref_0 =
               _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]));

           const __m128i comp_avg_res =
               comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);

           const __m128i round_result = convolve_rounding(
               &comp_avg_res, &offset_const, &rounding_const, rounding_shift);

           const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
           _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8);
         } else {
           _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned);
         }
         i++;

         s[0] = s[2];
         s[1] = s[3];
         s[2] = s[4];
         s[3] = s[5];
         s[4] = s[6];
         s[5] = s[7];
       } while (i < h);
       j += 8;
     } while (j < w);
   }
 }
	/*
	* 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 <emmintrin.h>

	#include "config/av1_rtcd.h"

	#include "aom_dsp/aom_filter.h"
	#include "aom_dsp/x86/convolve_sse2.h"
	#include "aom_dsp/x86/synonyms.h"

	void av1_dist_wtd_convolve_x_sse2(const uint8_t *src, int src_stride,
	uint8_t *dst0, int dst_stride0, int w, int h,
	const InterpFilterParams *filter_params_x,
	const int subpel_x_qn,
	ConvolveParams *conv_params) {
	const int bd = 8;
	CONV_BUF_TYPE *dst = conv_params->dst;
	const int dst_stride = conv_params->dst_stride;
	const int fo_horiz = filter_params_x->taps / 2 - 1;
	const uint8_t *src_ptr = src - fo_horiz;
	const int bits = FILTER_BITS - conv_params->round_1;
	const __m128i left_shift = _mm_cvtsi32_si128(bits);
	const __m128i round_const = _mm_set1_epi32((1 << conv_params->round_0) >> 1);
	const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0);
	const int w0 = conv_params->fwd_offset;
	const int w1 = conv_params->bck_offset;
	const __m128i wt0 = _mm_set1_epi16(w0);
	const __m128i wt1 = _mm_set1_epi16(w1);
	const __m128i wt = _mm_unpacklo_epi16(wt0, wt1);
	const int do_average = conv_params->do_average;
	const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg;
	const int offset_0 =
	bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
	const int offset = (1 << offset_0) + (1 << (offset_0 - 1));
	const __m128i offset_const = _mm_set1_epi16(offset);
	const int rounding_shift =
	2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
	const __m128i rounding_const = _mm_set1_epi16((1 << rounding_shift) >> 1);
	__m128i coeffs[4];

	prepare_coeffs(filter_params_x, subpel_x_qn, coeffs);

	if (w == 4) {
	do {
	const __m128i data = _mm_loadu_si128((__m128i *)src_ptr);
	__m128i s[4];

	s[0] = _mm_unpacklo_epi8(data, _mm_srli_si128(data, 1));
	s[1] =
	_mm_unpacklo_epi8(_mm_srli_si128(data, 2), _mm_srli_si128(data, 3));
	s[2] =
	_mm_unpacklo_epi8(_mm_srli_si128(data, 4), _mm_srli_si128(data, 5));
	s[3] =
	_mm_unpacklo_epi8(_mm_srli_si128(data, 6), _mm_srli_si128(data, 7));
	const __m128i res_lo = convolve_lo_x(s, coeffs);
	const __m128i res_lo_round =
	_mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift);
	const __m128i res_lo_shift = _mm_sll_epi32(res_lo_round, left_shift);

	const __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_lo_shift);
	const __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);

	// Accumulate values into the destination buffer
	if (do_average) {
	const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)dst);

	const __m128i comp_avg_res =
	comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);

	const __m128i round_result = convolve_rounding(
	&comp_avg_res, &offset_const, &rounding_const, rounding_shift);

	const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
	(int )(&dst0[0]) = _mm_cvtsi128_si32(res_8);
	} else {
	_mm_store_si128((__m128i *)(&dst[0]), res_unsigned);
	}
	src_ptr += src_stride;
	dst += dst_stride;
	dst0 += dst_stride0;
	} while (--h);
	} else {
	assert(!(w % 8));
	int i = 0;
	do {
	int j = 0;
	do {
	const __m128i data =
	_mm_loadu_si128((__m128i )&src_ptr[i src_stride + j]);
	__m128i s[4];

	// Filter even-index pixels
	s[0] = data;
	s[1] = _mm_srli_si128(data, 2);
	s[2] = _mm_srli_si128(data, 4);
	s[3] = _mm_srli_si128(data, 6);
	const __m128i res_even = convolve_lo_x(s, coeffs);

	// Filter odd-index pixels
	s[0] = _mm_srli_si128(data, 1);
	s[1] = _mm_srli_si128(data, 3);
	s[2] = _mm_srli_si128(data, 5);
	s[3] = _mm_srli_si128(data, 7);
	const __m128i res_odd = convolve_lo_x(s, coeffs);

	// Rearrange pixels back into the order 0 ... 7
	const __m128i res_lo = _mm_unpacklo_epi32(res_even, res_odd);
	const __m128i res_hi = _mm_unpackhi_epi32(res_even, res_odd);
	const __m128i res_lo_round =
	_mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift);
	const __m128i res_hi_round =
	_mm_sra_epi32(_mm_add_epi32(res_hi, round_const), round_shift);
	const __m128i res_lo_shift = _mm_sll_epi32(res_lo_round, left_shift);
	const __m128i res_hi_shift = _mm_sll_epi32(res_hi_round, left_shift);

	const __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift);
	const __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);

	// Accumulate values into the destination buffer
	if (do_average) {
	const __m128i data_ref_0 =
	_mm_loadu_si128((__m128i )(&dst[i dst_stride + j]));

	const __m128i comp_avg_res =
	comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);

	const __m128i round_result = convolve_rounding(
	&comp_avg_res, &offset_const, &rounding_const, rounding_shift);

	const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
	_mm_storel_epi64((__m128i )(&dst0[i dst_stride0 + j]), res_8);
	} else {
	_mm_store_si128((__m128i )(&dst[i dst_stride + j]), res_unsigned);
	}
	j += 8;
	} while (j < w);
	} while (++i < h);
	}
	}

	void av1_dist_wtd_convolve_y_sse2(const uint8_t *src, int src_stride,
	uint8_t *dst0, int dst_stride0, int w, int h,
	const InterpFilterParams *filter_params_y,
	const int subpel_y_qn,
	ConvolveParams *conv_params) {
	const int bd = 8;
	CONV_BUF_TYPE *dst = conv_params->dst;
	const int dst_stride = conv_params->dst_stride;
	const int fo_vert = filter_params_y->taps / 2 - 1;
	const uint8_t src_ptr = src - fo_vert src_stride;
	const int bits = FILTER_BITS - conv_params->round_0;
	const __m128i left_shift = _mm_cvtsi32_si128(bits);
	const __m128i wt0 = _mm_set1_epi16(conv_params->fwd_offset);
	const __m128i wt1 = _mm_set1_epi16(conv_params->bck_offset);
	const __m128i wt = _mm_unpacklo_epi16(wt0, wt1);
	const int do_average = conv_params->do_average;
	const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg;
	const int offset_0 =
	bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
	const int offset = (1 << offset_0) + (1 << (offset_0 - 1));
	const __m128i offset_const = _mm_set1_epi16(offset);
	const int rounding_shift =
	2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
	const __m128i rounding_const = _mm_set1_epi16((1 << rounding_shift) >> 1);
	const __m128i round_const = _mm_set1_epi32((1 << conv_params->round_1) >> 1);
	const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1);
	__m128i coeffs[4];

	prepare_coeffs(filter_params_y, subpel_y_qn, coeffs);

	if (w == 4) {
	__m128i s[8], src6, res, res_shift;
	s[0] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 0 * src_stride),
	xx_loadl_32(src_ptr + 1 * src_stride));
	s[1] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 1 * src_stride),
	xx_loadl_32(src_ptr + 2 * src_stride));
	s[2] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 2 * src_stride),
	xx_loadl_32(src_ptr + 3 * src_stride));
	s[3] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 3 * src_stride),
	xx_loadl_32(src_ptr + 4 * src_stride));
	s[4] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 4 * src_stride),
	xx_loadl_32(src_ptr + 5 * src_stride));
	src6 = xx_loadl_32(src_ptr + 6 * src_stride);
	s[5] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 5 * src_stride), src6);

	do {
	s[6] = _mm_unpacklo_epi8(src6, xx_loadl_32(src_ptr + 7 * src_stride));
	src6 = xx_loadl_32(src_ptr + 8 * src_stride);
	s[7] = _mm_unpacklo_epi8(xx_loadl_32(src_ptr + 7 * src_stride), src6);

	res = convolve_lo_y(s + 0, coeffs);
	res_shift = _mm_sll_epi32(res, left_shift);
	res_shift =
	_mm_sra_epi32(_mm_add_epi32(res_shift, round_const), round_shift);

	__m128i res_16b = _mm_packs_epi32(res_shift, res_shift);
	__m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);

	// Accumulate values into the destination buffer
	if (do_average) {
	const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)dst);

	const __m128i comp_avg_res =
	comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);

	const __m128i round_result = convolve_rounding(
	&comp_avg_res, &offset_const, &rounding_const, rounding_shift);

	const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
	(int )(&dst0[0]) = _mm_cvtsi128_si32(res_8);

	} else {
	_mm_store_si128((__m128i *)dst, res_unsigned);
	}

	src_ptr += src_stride;
	dst += dst_stride;
	dst0 += dst_stride0;

	res = convolve_lo_y(s + 1, coeffs);
	res_shift = _mm_sll_epi32(res, left_shift);
	res_shift =
	_mm_sra_epi32(_mm_add_epi32(res_shift, round_const), round_shift);

	res_16b = _mm_packs_epi32(res_shift, res_shift);
	res_unsigned = _mm_add_epi16(res_16b, offset_const);

	// Accumulate values into the destination buffer
	if (do_average) {
	const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)dst);

	const __m128i comp_avg_res =
	comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);

	const __m128i round_result = convolve_rounding(
	&comp_avg_res, &offset_const, &rounding_const, rounding_shift);

	const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
	(int )(&dst0[0]) = _mm_cvtsi128_si32(res_8);

	} else {
	_mm_store_si128((__m128i *)dst, res_unsigned);
	}

	src_ptr += src_stride;
	dst += dst_stride;
	dst0 += dst_stride0;

	s[0] = s[2];
	s[1] = s[3];
	s[2] = s[4];
	s[3] = s[5];
	s[4] = s[6];
	s[5] = s[7];
	h -= 2;
	} while (h);
	} else {
	assert(!(w % 8));
	int j = 0;
	do {
	__m128i s[8], src6, res_lo, res_hi, res_lo_shift, res_hi_shift;
	const uint8_t *data = &src_ptr[j];

	src6 = _mm_loadl_epi64((__m128i )(data + 6 src_stride));
	s[0] = _mm_unpacklo_epi8(
	_mm_loadl_epi64((__m128i )(data + 0 src_stride)),
	_mm_loadl_epi64((__m128i )(data + 1 src_stride)));
	s[1] = _mm_unpacklo_epi8(
	_mm_loadl_epi64((__m128i )(data + 1 src_stride)),
	_mm_loadl_epi64((__m128i )(data + 2 src_stride)));
	s[2] = _mm_unpacklo_epi8(
	_mm_loadl_epi64((__m128i )(data + 2 src_stride)),
	_mm_loadl_epi64((__m128i )(data + 3 src_stride)));
	s[3] = _mm_unpacklo_epi8(
	_mm_loadl_epi64((__m128i )(data + 3 src_stride)),
	_mm_loadl_epi64((__m128i )(data + 4 src_stride)));
	s[4] = _mm_unpacklo_epi8(
	_mm_loadl_epi64((__m128i )(data + 4 src_stride)),
	_mm_loadl_epi64((__m128i )(data + 5 src_stride)));
	s[5] = _mm_unpacklo_epi8(
	_mm_loadl_epi64((__m128i )(data + 5 src_stride)), src6);

	int i = 0;
	do {
	data = &src_ptr[i * src_stride + j];
	s[6] = _mm_unpacklo_epi8(
	src6, _mm_loadl_epi64((__m128i )(data + 7 src_stride)));
	src6 = _mm_loadl_epi64((__m128i )(data + 8 src_stride));
	s[7] = _mm_unpacklo_epi8(
	_mm_loadl_epi64((__m128i )(data + 7 src_stride)), src6);

	res_lo = convolve_lo_y(s, coeffs); // Filter low index pixels
	res_hi = convolve_hi_y(s, coeffs); // Filter high index pixels
	res_lo_shift = _mm_sll_epi32(res_lo, left_shift);
	res_hi_shift = _mm_sll_epi32(res_hi, left_shift);
	res_lo_shift = _mm_sra_epi32(_mm_add_epi32(res_lo_shift, round_const),
	round_shift);
	res_hi_shift = _mm_sra_epi32(_mm_add_epi32(res_hi_shift, round_const),
	round_shift);

	__m128i res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift);
	__m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);

	// Accumulate values into the destination buffer
	if (do_average) {
	const __m128i data_ref_0 =
	_mm_loadu_si128((__m128i )(&dst[i dst_stride + j]));

	const __m128i comp_avg_res =
	comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);

	const __m128i round_result = convolve_rounding(
	&comp_avg_res, &offset_const, &rounding_const, rounding_shift);

	const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
	_mm_storel_epi64((__m128i )(&dst0[i dst_stride0 + j]), res_8);
	} else {
	_mm_store_si128((__m128i )(&dst[i dst_stride + j]), res_unsigned);
	}
	i++;

	res_lo = convolve_lo_y(s + 1, coeffs); // Filter low index pixels
	res_hi = convolve_hi_y(s + 1, coeffs); // Filter high index pixels
	res_lo_shift = _mm_sll_epi32(res_lo, left_shift);
	res_hi_shift = _mm_sll_epi32(res_hi, left_shift);
	res_lo_shift = _mm_sra_epi32(_mm_add_epi32(res_lo_shift, round_const),
	round_shift);
	res_hi_shift = _mm_sra_epi32(_mm_add_epi32(res_hi_shift, round_const),
	round_shift);
	res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift);
	res_unsigned = _mm_add_epi16(res_16b, offset_const);

	// Accumulate values into the destination buffer
	if (do_average) {
	__m128i data_ref_0 =
	_mm_loadu_si128((__m128i )(&dst[i dst_stride + j]));

	const __m128i comp_avg_res =
	comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);

	const __m128i round_result = convolve_rounding(
	&comp_avg_res, &offset_const, &rounding_const, rounding_shift);

	const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
	_mm_storel_epi64((__m128i )(&dst0[i dst_stride0 + j]), res_8);
	} else {
	_mm_store_si128((__m128i )(&dst[i dst_stride + j]), res_unsigned);
	}
	i++;

	s[0] = s[2];
	s[1] = s[3];
	s[2] = s[4];
	s[3] = s[5];
	s[4] = s[6];
	s[5] = s[7];
	} while (i < h);
	j += 8;
	} while (j < w);
	}
	}