aom_dsp/arm/highbd_convolve8_neon.c - aom - Git at Google

 /*
  * Copyright (c) 2014 The WebM project authors. All Rights Reserved.
  * Copyright (c) 2023, Alliance for Open Media. All rights reserved
  *
  * This source code is subject to the terms of the BSD 2 Clause License and
  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
  * was not distributed with this source code in the LICENSE file, you can
  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
  * Media Patent License 1.0 was not distributed with this source code in the
  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
  */

 #include <arm_neon.h>
 #include <assert.h>

 #include "config/aom_config.h"
 #include "config/aom_dsp_rtcd.h"

 #include "aom/aom_integer.h"
 #include "aom_dsp/aom_dsp_common.h"
 #include "aom_dsp/aom_filter.h"
 #include "aom_dsp/arm/mem_neon.h"
 #include "aom_dsp/arm/transpose_neon.h"
 #include "aom_ports/mem.h"

 static INLINE int32x4_t highbd_convolve8_4_s32(
     const int16x4_t s0, const int16x4_t s1, const int16x4_t s2,
     const int16x4_t s3, const int16x4_t s4, const int16x4_t s5,
     const int16x4_t s6, const int16x4_t s7, const int16x8_t y_filter) {
   const int16x4_t y_filter_lo = vget_low_s16(y_filter);
   const int16x4_t y_filter_hi = vget_high_s16(y_filter);

   int32x4_t sum = vmull_lane_s16(s0, y_filter_lo, 0);
   sum = vmlal_lane_s16(sum, s1, y_filter_lo, 1);
   sum = vmlal_lane_s16(sum, s2, y_filter_lo, 2);
   sum = vmlal_lane_s16(sum, s3, y_filter_lo, 3);
   sum = vmlal_lane_s16(sum, s4, y_filter_hi, 0);
   sum = vmlal_lane_s16(sum, s5, y_filter_hi, 1);
   sum = vmlal_lane_s16(sum, s6, y_filter_hi, 2);
   sum = vmlal_lane_s16(sum, s7, y_filter_hi, 3);

   return sum;
 }

 static INLINE uint16x4_t highbd_convolve8_4_s32_s16(
     const int16x4_t s0, const int16x4_t s1, const int16x4_t s2,
     const int16x4_t s3, const int16x4_t s4, const int16x4_t s5,
     const int16x4_t s6, const int16x4_t s7, const int16x8_t y_filter) {
   int32x4_t sum =
       highbd_convolve8_4_s32(s0, s1, s2, s3, s4, s5, s6, s7, y_filter);

   return vqrshrun_n_s32(sum, FILTER_BITS);
 }

 static INLINE int32x4_t highbd_convolve8_horiz4_s32(
     const int16x8_t s0, const int16x8_t s1, const int16x8_t x_filter_0_7) {
   const int16x8_t s2 = vextq_s16(s0, s1, 1);
   const int16x8_t s3 = vextq_s16(s0, s1, 2);
   const int16x8_t s4 = vextq_s16(s0, s1, 3);
   const int16x4_t s0_lo = vget_low_s16(s0);
   const int16x4_t s1_lo = vget_low_s16(s2);
   const int16x4_t s2_lo = vget_low_s16(s3);
   const int16x4_t s3_lo = vget_low_s16(s4);
   const int16x4_t s4_lo = vget_high_s16(s0);
   const int16x4_t s5_lo = vget_high_s16(s2);
   const int16x4_t s6_lo = vget_high_s16(s3);
   const int16x4_t s7_lo = vget_high_s16(s4);

   return highbd_convolve8_4_s32(s0_lo, s1_lo, s2_lo, s3_lo, s4_lo, s5_lo, s6_lo,
                                 s7_lo, x_filter_0_7);
 }

 static INLINE uint16x4_t highbd_convolve8_horiz4_s32_s16(
     const int16x8_t s0, const int16x8_t s1, const int16x8_t x_filter_0_7) {
   int32x4_t sum = highbd_convolve8_horiz4_s32(s0, s1, x_filter_0_7);

   return vqrshrun_n_s32(sum, FILTER_BITS);
 }

 static INLINE void highbd_convolve8_8_s32(
     const int16x8_t s0, const int16x8_t s1, const int16x8_t s2,
     const int16x8_t s3, const int16x8_t s4, const int16x8_t s5,
     const int16x8_t s6, const int16x8_t s7, const int16x8_t y_filter,
     int32x4_t *sum0, int32x4_t *sum1) {
   const int16x4_t y_filter_lo = vget_low_s16(y_filter);
   const int16x4_t y_filter_hi = vget_high_s16(y_filter);

   *sum0 = vmull_lane_s16(vget_low_s16(s0), y_filter_lo, 0);
   *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s1), y_filter_lo, 1);
   *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s2), y_filter_lo, 2);
   *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s3), y_filter_lo, 3);
   *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s4), y_filter_hi, 0);
   *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s5), y_filter_hi, 1);
   *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s6), y_filter_hi, 2);
   *sum0 = vmlal_lane_s16(*sum0, vget_low_s16(s7), y_filter_hi, 3);

   *sum1 = vmull_lane_s16(vget_high_s16(s0), y_filter_lo, 0);
   *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s1), y_filter_lo, 1);
   *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s2), y_filter_lo, 2);
   *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s3), y_filter_lo, 3);
   *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s4), y_filter_hi, 0);
   *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s5), y_filter_hi, 1);
   *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s6), y_filter_hi, 2);
   *sum1 = vmlal_lane_s16(*sum1, vget_high_s16(s7), y_filter_hi, 3);
 }

 static INLINE void highbd_convolve8_horiz8_s32(const int16x8_t s0,
                                                const int16x8_t s0_hi,
                                                const int16x8_t x_filter_0_7,
                                                int32x4_t *sum0,
                                                int32x4_t *sum1) {
   const int16x8_t s1 = vextq_s16(s0, s0_hi, 1);
   const int16x8_t s2 = vextq_s16(s0, s0_hi, 2);
   const int16x8_t s3 = vextq_s16(s0, s0_hi, 3);
   const int16x8_t s4 = vextq_s16(s0, s0_hi, 4);
   const int16x8_t s5 = vextq_s16(s0, s0_hi, 5);
   const int16x8_t s6 = vextq_s16(s0, s0_hi, 6);
   const int16x8_t s7 = vextq_s16(s0, s0_hi, 7);

   highbd_convolve8_8_s32(s0, s1, s2, s3, s4, s5, s6, s7, x_filter_0_7, sum0,
                          sum1);
 }

 static INLINE uint16x8_t highbd_convolve8_horiz8_s32_s16(
     const int16x8_t s0, const int16x8_t s1, const int16x8_t x_filter_0_7) {
   int32x4_t sum0, sum1;
   highbd_convolve8_horiz8_s32(s0, s1, x_filter_0_7, &sum0, &sum1);

   return vcombine_u16(vqrshrun_n_s32(sum0, FILTER_BITS),
                       vqrshrun_n_s32(sum1, FILTER_BITS));
 }

 static INLINE uint16x8_t highbd_convolve8_8_s32_s16(
     const int16x8_t s0, const int16x8_t s1, const int16x8_t s2,
     const int16x8_t s3, const int16x8_t s4, const int16x8_t s5,
     const int16x8_t s6, const int16x8_t s7, const int16x8_t y_filter) {
   int32x4_t sum0;
   int32x4_t sum1;
   highbd_convolve8_8_s32(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, &sum0,
                          &sum1);

   return vcombine_u16(vqrshrun_n_s32(sum0, FILTER_BITS),
                       vqrshrun_n_s32(sum1, FILTER_BITS));
 }

 static void highbd_convolve_horiz_neon(const uint16_t *src_ptr,
                                        ptrdiff_t src_stride, uint16_t *dst_ptr,
                                        ptrdiff_t dst_stride,
                                        const int16_t *x_filter_ptr,
                                        int x_step_q4, int w, int h, int bd) {
   assert(w >= 4 && h >= 4);
   const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);
   const int16x8_t x_filter = vld1q_s16(x_filter_ptr);

   if (w == 4) {
     const int16_t *s = (const int16_t *)src_ptr;
     uint16_t *d = dst_ptr;

     do {
       int16x8_t s0, s1, s2, s3;
       load_s16_8x2(s, src_stride, &s0, &s2);
       load_s16_8x2(s + 8, src_stride, &s1, &s3);

       uint16x4_t d0 = highbd_convolve8_horiz4_s32_s16(s0, s1, x_filter);
       uint16x4_t d1 = highbd_convolve8_horiz4_s32_s16(s2, s3, x_filter);

       uint16x8_t d01 = vcombine_u16(d0, d1);
       d01 = vminq_u16(d01, max);

       vst1_u16(d + 0 * dst_stride, vget_low_u16(d01));
       vst1_u16(d + 1 * dst_stride, vget_high_u16(d01));

       s += 2 * src_stride;
       d += 2 * dst_stride;
       h -= 2;
     } while (h > 0);
   } else {
     int height = h;

     do {
       int width = w;
       const int16_t *s = (const int16_t *)src_ptr;
       uint16_t *d = dst_ptr;
       int x_q4 = 0;

       const int16_t *src_x = &s[x_q4 >> SUBPEL_BITS];
       int16x8_t s0, s2, s4, s6;
       load_s16_8x4(src_x, src_stride, &s0, &s2, &s4, &s6);
       src_x += 8;

       do {
         int16x8_t s1, s3, s5, s7;
         load_s16_8x4(src_x, src_stride, &s1, &s3, &s5, &s7);

         uint16x8_t d0 = highbd_convolve8_horiz8_s32_s16(s0, s1, x_filter);
         uint16x8_t d1 = highbd_convolve8_horiz8_s32_s16(s2, s3, x_filter);
         uint16x8_t d2 = highbd_convolve8_horiz8_s32_s16(s4, s5, x_filter);
         uint16x8_t d3 = highbd_convolve8_horiz8_s32_s16(s6, s7, x_filter);

         d0 = vminq_u16(d0, max);
         d1 = vminq_u16(d1, max);
         d2 = vminq_u16(d2, max);
         d3 = vminq_u16(d3, max);

         store_u16_8x4(d, dst_stride, d0, d1, d2, d3);

         s0 = s1;
         s2 = s3;
         s4 = s5;
         s6 = s7;
         src_x += 8;
         d += 8;
         width -= 8;
         x_q4 += 8 * x_step_q4;
       } while (width > 0);
       src_ptr += 4 * src_stride;
       dst_ptr += 4 * dst_stride;
       height -= 4;
     } while (height > 0);
   }
 }

 void aom_highbd_convolve8_horiz_neon(const uint8_t *src8, ptrdiff_t src_stride,
                                      uint8_t *dst8, ptrdiff_t dst_stride,
                                      const int16_t *filter_x, int x_step_q4,
                                      const int16_t *filter_y, int y_step_q4,
                                      int w, int h, int bd) {
   if (x_step_q4 != 16) {
     aom_highbd_convolve8_horiz_c(src8, src_stride, dst8, dst_stride, filter_x,
                                  x_step_q4, filter_y, y_step_q4, w, h, bd);
   } else {
     (void)filter_y;
     (void)y_step_q4;

     uint16_t *src = CONVERT_TO_SHORTPTR(src8);
     uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);

     src -= SUBPEL_TAPS / 2 - 1;
     highbd_convolve_horiz_neon(src, src_stride, dst, dst_stride, filter_x,
                                x_step_q4, w, h, bd);
   }
 }

 static void highbd_convolve_vert_neon(const uint16_t *src_ptr,
                                       ptrdiff_t src_stride, uint16_t *dst_ptr,
                                       ptrdiff_t dst_stride,
                                       const int16_t *y_filter_ptr, int w, int h,
                                       int bd) {
   assert(w >= 4 && h >= 4);
   const int16x8_t y_filter = vld1q_s16(y_filter_ptr);
   const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);

   if (w == 4) {
     const int16_t *s = (const int16_t *)src_ptr;
     uint16_t *d = dst_ptr;

     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;

     do {
       int16x4_t s7, s8, s9, s10;
       load_s16_4x4(s, src_stride, &s7, &s8, &s9, &s10);

       uint16x4_t d0 =
           highbd_convolve8_4_s32_s16(s0, s1, s2, s3, s4, s5, s6, s7, y_filter);
       uint16x4_t d1 =
           highbd_convolve8_4_s32_s16(s1, s2, s3, s4, s5, s6, s7, s8, y_filter);
       uint16x4_t d2 =
           highbd_convolve8_4_s32_s16(s2, s3, s4, s5, s6, s7, s8, s9, y_filter);
       uint16x4_t d3 =
           highbd_convolve8_4_s32_s16(s3, s4, s5, s6, s7, s8, s9, s10, y_filter);

       uint16x8_t d01 = vcombine_u16(d0, d1);
       uint16x8_t d23 = vcombine_u16(d2, d3);

       d01 = vminq_u16(d01, max);
       d23 = vminq_u16(d23, max);

       vst1_u16(d + 0 * dst_stride, vget_low_u16(d01));
       vst1_u16(d + 1 * dst_stride, vget_high_u16(d01));
       vst1_u16(d + 2 * dst_stride, vget_low_u16(d23));
       vst1_u16(d + 3 * dst_stride, vget_high_u16(d23));

       s0 = s4;
       s1 = s5;
       s2 = s6;
       s3 = s7;
       s4 = s8;
       s5 = s9;
       s6 = s10;
       s += 4 * src_stride;
       d += 4 * dst_stride;
       h -= 4;
     } while (h > 0);
   } else {
     do {
       int height = h;
       const int16_t *s = (const int16_t *)src_ptr;
       uint16_t *d = dst_ptr;

       int16x8_t s0, s1, s2, s3, s4, s5, s6;
       load_s16_8x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
       s += 7 * src_stride;

       do {
         int16x8_t s7, s8, s9, s10;
         load_s16_8x4(s, src_stride, &s7, &s8, &s9, &s10);

         uint16x8_t d0 = highbd_convolve8_8_s32_s16(s0, s1, s2, s3, s4, s5, s6,
                                                    s7, y_filter);
         uint16x8_t d1 = highbd_convolve8_8_s32_s16(s1, s2, s3, s4, s5, s6, s7,
                                                    s8, y_filter);
         uint16x8_t d2 = highbd_convolve8_8_s32_s16(s2, s3, s4, s5, s6, s7, s8,
                                                    s9, y_filter);
         uint16x8_t d3 = highbd_convolve8_8_s32_s16(s3, s4, s5, s6, s7, s8, s9,
                                                    s10, y_filter);

         d0 = vminq_u16(d0, max);
         d1 = vminq_u16(d1, max);
         d2 = vminq_u16(d2, max);
         d3 = vminq_u16(d3, max);

         store_u16_8x4(d, dst_stride, d0, d1, d2, d3);

         s0 = s4;
         s1 = s5;
         s2 = s6;
         s3 = s7;
         s4 = s8;
         s5 = s9;
         s6 = s10;
         s += 4 * src_stride;
         d += 4 * dst_stride;
         height -= 4;
       } while (height > 0);
       src_ptr += 8;
       dst_ptr += 8;
       w -= 8;
     } while (w > 0);
   }
 }

 void aom_highbd_convolve8_vert_neon(const uint8_t *src8, ptrdiff_t src_stride,
                                     uint8_t *dst8, ptrdiff_t dst_stride,
                                     const int16_t *filter_x, int x_step_q4,
                                     const int16_t *filter_y, int y_step_q4,
                                     int w, int h, int bd) {
   if (y_step_q4 != 16) {
     aom_highbd_convolve8_vert_c(src8, src_stride, dst8, dst_stride, filter_x,
                                 x_step_q4, filter_y, y_step_q4, w, h, bd);
   } else {
     (void)filter_x;
     (void)x_step_q4;

     uint16_t *src = CONVERT_TO_SHORTPTR(src8);
     uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);

     src -= (SUBPEL_TAPS / 2 - 1) * src_stride;
     highbd_convolve_vert_neon(src, src_stride, dst, dst_stride, filter_y, w, h,
                               bd);
   }
 }
	/*
	* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
	* Copyright (c) 2023, Alliance for Open Media. All rights reserved
	*
	* This source code is subject to the terms of the BSD 2 Clause License and
	* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
	* was not distributed with this source code in the LICENSE file, you can
	* obtain it at www.aomedia.org/license/software. If the Alliance for Open
	* Media Patent License 1.0 was not distributed with this source code in the
	* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
	*/

	#include <arm_neon.h>
	#include <assert.h>

	#include "config/aom_config.h"
	#include "config/aom_dsp_rtcd.h"

	#include "aom/aom_integer.h"
	#include "aom_dsp/aom_dsp_common.h"
	#include "aom_dsp/aom_filter.h"
	#include "aom_dsp/arm/mem_neon.h"
	#include "aom_dsp/arm/transpose_neon.h"
	#include "aom_ports/mem.h"

	static INLINE int32x4_t highbd_convolve8_4_s32(
	const int16x4_t s0, const int16x4_t s1, const int16x4_t s2,
	const int16x4_t s3, const int16x4_t s4, const int16x4_t s5,
	const int16x4_t s6, const int16x4_t s7, const int16x8_t y_filter) {
	const int16x4_t y_filter_lo = vget_low_s16(y_filter);
	const int16x4_t y_filter_hi = vget_high_s16(y_filter);

	int32x4_t sum = vmull_lane_s16(s0, y_filter_lo, 0);
	sum = vmlal_lane_s16(sum, s1, y_filter_lo, 1);
	sum = vmlal_lane_s16(sum, s2, y_filter_lo, 2);
	sum = vmlal_lane_s16(sum, s3, y_filter_lo, 3);
	sum = vmlal_lane_s16(sum, s4, y_filter_hi, 0);
	sum = vmlal_lane_s16(sum, s5, y_filter_hi, 1);
	sum = vmlal_lane_s16(sum, s6, y_filter_hi, 2);
	sum = vmlal_lane_s16(sum, s7, y_filter_hi, 3);

	return sum;
	}

	static INLINE uint16x4_t highbd_convolve8_4_s32_s16(
	const int16x4_t s0, const int16x4_t s1, const int16x4_t s2,
	const int16x4_t s3, const int16x4_t s4, const int16x4_t s5,
	const int16x4_t s6, const int16x4_t s7, const int16x8_t y_filter) {
	int32x4_t sum =
	highbd_convolve8_4_s32(s0, s1, s2, s3, s4, s5, s6, s7, y_filter);

	return vqrshrun_n_s32(sum, FILTER_BITS);
	}

	static INLINE int32x4_t highbd_convolve8_horiz4_s32(
	const int16x8_t s0, const int16x8_t s1, const int16x8_t x_filter_0_7) {
	const int16x8_t s2 = vextq_s16(s0, s1, 1);
	const int16x8_t s3 = vextq_s16(s0, s1, 2);
	const int16x8_t s4 = vextq_s16(s0, s1, 3);
	const int16x4_t s0_lo = vget_low_s16(s0);
	const int16x4_t s1_lo = vget_low_s16(s2);
	const int16x4_t s2_lo = vget_low_s16(s3);
	const int16x4_t s3_lo = vget_low_s16(s4);
	const int16x4_t s4_lo = vget_high_s16(s0);
	const int16x4_t s5_lo = vget_high_s16(s2);
	const int16x4_t s6_lo = vget_high_s16(s3);
	const int16x4_t s7_lo = vget_high_s16(s4);

	return highbd_convolve8_4_s32(s0_lo, s1_lo, s2_lo, s3_lo, s4_lo, s5_lo, s6_lo,
	s7_lo, x_filter_0_7);
	}

	static INLINE uint16x4_t highbd_convolve8_horiz4_s32_s16(
	const int16x8_t s0, const int16x8_t s1, const int16x8_t x_filter_0_7) {
	int32x4_t sum = highbd_convolve8_horiz4_s32(s0, s1, x_filter_0_7);

	return vqrshrun_n_s32(sum, FILTER_BITS);
	}

	static INLINE void highbd_convolve8_8_s32(
	const int16x8_t s0, const int16x8_t s1, const int16x8_t s2,
	const int16x8_t s3, const int16x8_t s4, const int16x8_t s5,
	const int16x8_t s6, const int16x8_t s7, const int16x8_t y_filter,
	int32x4_t sum0, int32x4_t sum1) {
	const int16x4_t y_filter_lo = vget_low_s16(y_filter);
	const int16x4_t y_filter_hi = vget_high_s16(y_filter);

	*sum0 = vmull_lane_s16(vget_low_s16(s0), y_filter_lo, 0);
	sum0 = vmlal_lane_s16(sum0, vget_low_s16(s1), y_filter_lo, 1);
	sum0 = vmlal_lane_s16(sum0, vget_low_s16(s2), y_filter_lo, 2);
	sum0 = vmlal_lane_s16(sum0, vget_low_s16(s3), y_filter_lo, 3);
	sum0 = vmlal_lane_s16(sum0, vget_low_s16(s4), y_filter_hi, 0);
	sum0 = vmlal_lane_s16(sum0, vget_low_s16(s5), y_filter_hi, 1);
	sum0 = vmlal_lane_s16(sum0, vget_low_s16(s6), y_filter_hi, 2);
	sum0 = vmlal_lane_s16(sum0, vget_low_s16(s7), y_filter_hi, 3);

	*sum1 = vmull_lane_s16(vget_high_s16(s0), y_filter_lo, 0);
	sum1 = vmlal_lane_s16(sum1, vget_high_s16(s1), y_filter_lo, 1);
	sum1 = vmlal_lane_s16(sum1, vget_high_s16(s2), y_filter_lo, 2);
	sum1 = vmlal_lane_s16(sum1, vget_high_s16(s3), y_filter_lo, 3);
	sum1 = vmlal_lane_s16(sum1, vget_high_s16(s4), y_filter_hi, 0);
	sum1 = vmlal_lane_s16(sum1, vget_high_s16(s5), y_filter_hi, 1);
	sum1 = vmlal_lane_s16(sum1, vget_high_s16(s6), y_filter_hi, 2);
	sum1 = vmlal_lane_s16(sum1, vget_high_s16(s7), y_filter_hi, 3);
	}

	static INLINE void highbd_convolve8_horiz8_s32(const int16x8_t s0,
	const int16x8_t s0_hi,
	const int16x8_t x_filter_0_7,
	int32x4_t *sum0,
	int32x4_t *sum1) {
	const int16x8_t s1 = vextq_s16(s0, s0_hi, 1);
	const int16x8_t s2 = vextq_s16(s0, s0_hi, 2);
	const int16x8_t s3 = vextq_s16(s0, s0_hi, 3);
	const int16x8_t s4 = vextq_s16(s0, s0_hi, 4);
	const int16x8_t s5 = vextq_s16(s0, s0_hi, 5);
	const int16x8_t s6 = vextq_s16(s0, s0_hi, 6);
	const int16x8_t s7 = vextq_s16(s0, s0_hi, 7);

	highbd_convolve8_8_s32(s0, s1, s2, s3, s4, s5, s6, s7, x_filter_0_7, sum0,
	sum1);
	}

	static INLINE uint16x8_t highbd_convolve8_horiz8_s32_s16(
	const int16x8_t s0, const int16x8_t s1, const int16x8_t x_filter_0_7) {
	int32x4_t sum0, sum1;
	highbd_convolve8_horiz8_s32(s0, s1, x_filter_0_7, &sum0, &sum1);

	return vcombine_u16(vqrshrun_n_s32(sum0, FILTER_BITS),
	vqrshrun_n_s32(sum1, FILTER_BITS));
	}

	static INLINE uint16x8_t highbd_convolve8_8_s32_s16(
	const int16x8_t s0, const int16x8_t s1, const int16x8_t s2,
	const int16x8_t s3, const int16x8_t s4, const int16x8_t s5,
	const int16x8_t s6, const int16x8_t s7, const int16x8_t y_filter) {
	int32x4_t sum0;
	int32x4_t sum1;
	highbd_convolve8_8_s32(s0, s1, s2, s3, s4, s5, s6, s7, y_filter, &sum0,
	&sum1);

	return vcombine_u16(vqrshrun_n_s32(sum0, FILTER_BITS),
	vqrshrun_n_s32(sum1, FILTER_BITS));
	}

	static void highbd_convolve_horiz_neon(const uint16_t *src_ptr,
	ptrdiff_t src_stride, uint16_t *dst_ptr,
	ptrdiff_t dst_stride,
	const int16_t *x_filter_ptr,
	int x_step_q4, int w, int h, int bd) {
	assert(w >= 4 && h >= 4);
	const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);
	const int16x8_t x_filter = vld1q_s16(x_filter_ptr);

	if (w == 4) {
	const int16_t s = (const int16_t )src_ptr;
	uint16_t *d = dst_ptr;

	do {
	int16x8_t s0, s1, s2, s3;
	load_s16_8x2(s, src_stride, &s0, &s2);
	load_s16_8x2(s + 8, src_stride, &s1, &s3);

	uint16x4_t d0 = highbd_convolve8_horiz4_s32_s16(s0, s1, x_filter);
	uint16x4_t d1 = highbd_convolve8_horiz4_s32_s16(s2, s3, x_filter);

	uint16x8_t d01 = vcombine_u16(d0, d1);
	d01 = vminq_u16(d01, max);

	vst1_u16(d + 0 * dst_stride, vget_low_u16(d01));
	vst1_u16(d + 1 * dst_stride, vget_high_u16(d01));

	s += 2 * src_stride;
	d += 2 * dst_stride;
	h -= 2;
	} while (h > 0);
	} else {
	int height = h;

	do {
	int width = w;
	const int16_t s = (const int16_t )src_ptr;
	uint16_t *d = dst_ptr;
	int x_q4 = 0;

	const int16_t *src_x = &s[x_q4 >> SUBPEL_BITS];
	int16x8_t s0, s2, s4, s6;
	load_s16_8x4(src_x, src_stride, &s0, &s2, &s4, &s6);
	src_x += 8;

	do {
	int16x8_t s1, s3, s5, s7;
	load_s16_8x4(src_x, src_stride, &s1, &s3, &s5, &s7);

	uint16x8_t d0 = highbd_convolve8_horiz8_s32_s16(s0, s1, x_filter);
	uint16x8_t d1 = highbd_convolve8_horiz8_s32_s16(s2, s3, x_filter);
	uint16x8_t d2 = highbd_convolve8_horiz8_s32_s16(s4, s5, x_filter);
	uint16x8_t d3 = highbd_convolve8_horiz8_s32_s16(s6, s7, x_filter);

	d0 = vminq_u16(d0, max);
	d1 = vminq_u16(d1, max);
	d2 = vminq_u16(d2, max);
	d3 = vminq_u16(d3, max);

	store_u16_8x4(d, dst_stride, d0, d1, d2, d3);

	s0 = s1;
	s2 = s3;
	s4 = s5;
	s6 = s7;
	src_x += 8;
	d += 8;
	width -= 8;
	x_q4 += 8 * x_step_q4;
	} while (width > 0);
	src_ptr += 4 * src_stride;
	dst_ptr += 4 * dst_stride;
	height -= 4;
	} while (height > 0);
	}
	}

	void aom_highbd_convolve8_horiz_neon(const uint8_t *src8, ptrdiff_t src_stride,
	uint8_t *dst8, ptrdiff_t dst_stride,
	const int16_t *filter_x, int x_step_q4,
	const int16_t *filter_y, int y_step_q4,
	int w, int h, int bd) {
	if (x_step_q4 != 16) {
	aom_highbd_convolve8_horiz_c(src8, src_stride, dst8, dst_stride, filter_x,
	x_step_q4, filter_y, y_step_q4, w, h, bd);
	} else {
	(void)filter_y;
	(void)y_step_q4;

	uint16_t *src = CONVERT_TO_SHORTPTR(src8);
	uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);

	src -= SUBPEL_TAPS / 2 - 1;
	highbd_convolve_horiz_neon(src, src_stride, dst, dst_stride, filter_x,
	x_step_q4, w, h, bd);
	}
	}

	static void highbd_convolve_vert_neon(const uint16_t *src_ptr,
	ptrdiff_t src_stride, uint16_t *dst_ptr,
	ptrdiff_t dst_stride,
	const int16_t *y_filter_ptr, int w, int h,
	int bd) {
	assert(w >= 4 && h >= 4);
	const int16x8_t y_filter = vld1q_s16(y_filter_ptr);
	const uint16x8_t max = vdupq_n_u16((1 << bd) - 1);

	if (w == 4) {
	const int16_t s = (const int16_t )src_ptr;
	uint16_t *d = dst_ptr;

	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;

	do {
	int16x4_t s7, s8, s9, s10;
	load_s16_4x4(s, src_stride, &s7, &s8, &s9, &s10);

	uint16x4_t d0 =
	highbd_convolve8_4_s32_s16(s0, s1, s2, s3, s4, s5, s6, s7, y_filter);
	uint16x4_t d1 =
	highbd_convolve8_4_s32_s16(s1, s2, s3, s4, s5, s6, s7, s8, y_filter);
	uint16x4_t d2 =
	highbd_convolve8_4_s32_s16(s2, s3, s4, s5, s6, s7, s8, s9, y_filter);
	uint16x4_t d3 =
	highbd_convolve8_4_s32_s16(s3, s4, s5, s6, s7, s8, s9, s10, y_filter);

	uint16x8_t d01 = vcombine_u16(d0, d1);
	uint16x8_t d23 = vcombine_u16(d2, d3);

	d01 = vminq_u16(d01, max);
	d23 = vminq_u16(d23, max);

	vst1_u16(d + 0 * dst_stride, vget_low_u16(d01));
	vst1_u16(d + 1 * dst_stride, vget_high_u16(d01));
	vst1_u16(d + 2 * dst_stride, vget_low_u16(d23));
	vst1_u16(d + 3 * dst_stride, vget_high_u16(d23));

	s0 = s4;
	s1 = s5;
	s2 = s6;
	s3 = s7;
	s4 = s8;
	s5 = s9;
	s6 = s10;
	s += 4 * src_stride;
	d += 4 * dst_stride;
	h -= 4;
	} while (h > 0);
	} else {
	do {
	int height = h;
	const int16_t s = (const int16_t )src_ptr;
	uint16_t *d = dst_ptr;

	int16x8_t s0, s1, s2, s3, s4, s5, s6;
	load_s16_8x7(s, src_stride, &s0, &s1, &s2, &s3, &s4, &s5, &s6);
	s += 7 * src_stride;

	do {
	int16x8_t s7, s8, s9, s10;
	load_s16_8x4(s, src_stride, &s7, &s8, &s9, &s10);

	uint16x8_t d0 = highbd_convolve8_8_s32_s16(s0, s1, s2, s3, s4, s5, s6,
	s7, y_filter);
	uint16x8_t d1 = highbd_convolve8_8_s32_s16(s1, s2, s3, s4, s5, s6, s7,
	s8, y_filter);
	uint16x8_t d2 = highbd_convolve8_8_s32_s16(s2, s3, s4, s5, s6, s7, s8,
	s9, y_filter);
	uint16x8_t d3 = highbd_convolve8_8_s32_s16(s3, s4, s5, s6, s7, s8, s9,
	s10, y_filter);

	d0 = vminq_u16(d0, max);
	d1 = vminq_u16(d1, max);
	d2 = vminq_u16(d2, max);
	d3 = vminq_u16(d3, max);

	store_u16_8x4(d, dst_stride, d0, d1, d2, d3);

	s0 = s4;
	s1 = s5;
	s2 = s6;
	s3 = s7;
	s4 = s8;
	s5 = s9;
	s6 = s10;
	s += 4 * src_stride;
	d += 4 * dst_stride;
	height -= 4;
	} while (height > 0);
	src_ptr += 8;
	dst_ptr += 8;
	w -= 8;
	} while (w > 0);
	}
	}

	void aom_highbd_convolve8_vert_neon(const uint8_t *src8, ptrdiff_t src_stride,
	uint8_t *dst8, ptrdiff_t dst_stride,
	const int16_t *filter_x, int x_step_q4,
	const int16_t *filter_y, int y_step_q4,
	int w, int h, int bd) {
	if (y_step_q4 != 16) {
	aom_highbd_convolve8_vert_c(src8, src_stride, dst8, dst_stride, filter_x,
	x_step_q4, filter_y, y_step_q4, w, h, bd);
	} else {
	(void)filter_x;
	(void)x_step_q4;

	uint16_t *src = CONVERT_TO_SHORTPTR(src8);
	uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);

	src -= (SUBPEL_TAPS / 2 - 1) * src_stride;
	highbd_convolve_vert_neon(src, src_stride, dst, dst_stride, filter_y, w, h,
	bd);
	}
	}