Add vpx_highbd_idct32x32_34_add_neon()

BUG=webm:1301

Change-Id: I74dd16c6c64e7bb71aa991cedccddf0663ef5e06

6 files changed, 687 insertions, 43 deletions

diff --git a/test/partial_idct_test.cc b/test/partial_idct_test.cc
index 78038cd49..5b7b15d23 100644
--- a/test/partial_idct_test.cc
+++ b/test/partial_idct_test.cc
@@ -450,6 +450,15 @@ const PartialInvTxfmParam neon_partial_idct_tests[] = {
       &highbd_wrapper<vpx_highbd_idct32x32_135_add_neon>, TX_32X32, 135, 12, 2),
   make_tuple(
       &vpx_highbd_fdct32x32_c, &highbd_wrapper<vpx_highbd_idct32x32_1024_add_c>,
+      &highbd_wrapper<vpx_highbd_idct32x32_34_add_neon>, TX_32X32, 34, 8, 2),
+  make_tuple(
+      &vpx_highbd_fdct32x32_c, &highbd_wrapper<vpx_highbd_idct32x32_1024_add_c>,
+      &highbd_wrapper<vpx_highbd_idct32x32_34_add_neon>, TX_32X32, 34, 10, 2),
+  make_tuple(
+      &vpx_highbd_fdct32x32_c, &highbd_wrapper<vpx_highbd_idct32x32_1024_add_c>,
+      &highbd_wrapper<vpx_highbd_idct32x32_34_add_neon>, TX_32X32, 34, 12, 2),
+  make_tuple(
+      &vpx_highbd_fdct32x32_c, &highbd_wrapper<vpx_highbd_idct32x32_1024_add_c>,
       &highbd_wrapper<vpx_highbd_idct32x32_1_add_neon>, TX_32X32, 1, 8, 2),
   make_tuple(
       &vpx_highbd_fdct32x32_c, &highbd_wrapper<vpx_highbd_idct32x32_1024_add_c>,
diff --git a/vpx_dsp/arm/highbd_idct32x32_34_add_neon.c b/vpx_dsp/arm/highbd_idct32x32_34_add_neon.c
new file mode 100644
index 000000000..9b90a9725
--- /dev/null
+++ b/vpx_dsp/arm/highbd_idct32x32_34_add_neon.c
@@ -0,0 +1,625 @@
+/*
+ *  Copyright (c) 2017 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <arm_neon.h>
+
+#include "./vpx_config.h"
+#include "./vpx_dsp_rtcd.h"
+#include "vpx_dsp/arm/idct_neon.h"
+#include "vpx_dsp/arm/transpose_neon.h"
+#include "vpx_dsp/txfm_common.h"
+
+// Only for the first pass of the  _34_ variant. Since it only uses values from
+// the top left 8x8 it can safely assume all the remaining values are 0 and skip
+// an awful lot of calculations. In fact, only the first 6 columns make the cut.
+// None of the elements in the 7th or 8th column are used so it skips any calls
+// to input[67] too.
+// In C this does a single row of 32 for each call. Here it transposes the top
+// left 8x8 to allow using SIMD.
+
+// vp9/common/vp9_scan.c:vp9_default_iscan_32x32 arranges the first 34 non-zero
+// coefficients as follows:
+//    0  1  2  3  4  5  6  7
+// 0  0  2  5 10 17 25
+// 1  1  4  8 15 22 30
+// 2  3  7 12 18 28
+// 3  6 11 16 23 31
+// 4  9 14 19 29
+// 5 13 20 26
+// 6 21 27 33
+// 7 24 32
+static void highbd_idct32_6_neon(const tran_low_t *input, int32_t *output) {
+  int32x4x2_t in[8], s1[32], s2[32], s3[32];
+
+  in[0].val[0] = vld1q_s32(input);
+  in[0].val[1] = vld1q_s32(input + 4);
+  input += 32;
+  in[1].val[0] = vld1q_s32(input);
+  in[1].val[1] = vld1q_s32(input + 4);
+  input += 32;
+  in[2].val[0] = vld1q_s32(input);
+  in[2].val[1] = vld1q_s32(input + 4);
+  input += 32;
+  in[3].val[0] = vld1q_s32(input);
+  in[3].val[1] = vld1q_s32(input + 4);
+  input += 32;
+  in[4].val[0] = vld1q_s32(input);
+  in[4].val[1] = vld1q_s32(input + 4);
+  input += 32;
+  in[5].val[0] = vld1q_s32(input);
+  in[5].val[1] = vld1q_s32(input + 4);
+  input += 32;
+  in[6].val[0] = vld1q_s32(input);
+  in[6].val[1] = vld1q_s32(input + 4);
+  input += 32;
+  in[7].val[0] = vld1q_s32(input);
+  in[7].val[1] = vld1q_s32(input + 4);
+  transpose_s32_8x8(&in[0], &in[1], &in[2], &in[3], &in[4], &in[5], &in[6],
+                    &in[7]);
+
+  // stage 1
+  // input[1] * cospi_31_64 - input[31] * cospi_1_64 (but input[31] == 0)
+  s1[16] = multiply_shift_and_narrow_s32_dual(in[1], cospi_31_64);
+  // input[1] * cospi_1_64 + input[31] * cospi_31_64 (but input[31] == 0)
+  s1[31] = multiply_shift_and_narrow_s32_dual(in[1], cospi_1_64);
+
+  s1[20] = multiply_shift_and_narrow_s32_dual(in[5], cospi_27_64);
+  s1[27] = multiply_shift_and_narrow_s32_dual(in[5], cospi_5_64);
+
+  s1[23] = multiply_shift_and_narrow_s32_dual(in[3], -cospi_29_64);
+  s1[24] = multiply_shift_and_narrow_s32_dual(in[3], cospi_3_64);
+
+  // stage 2
+  s2[8] = multiply_shift_and_narrow_s32_dual(in[2], cospi_30_64);
+  s2[15] = multiply_shift_and_narrow_s32_dual(in[2], cospi_2_64);
+
+  // stage 3
+  s1[4] = multiply_shift_and_narrow_s32_dual(in[4], cospi_28_64);
+  s1[7] = multiply_shift_and_narrow_s32_dual(in[4], cospi_4_64);
+
+  s1[17] = multiply_accumulate_shift_and_narrow_s32_dual(s1[16], -cospi_4_64,
+                                                         s1[31], cospi_28_64);
+  s1[30] = multiply_accumulate_shift_and_narrow_s32_dual(s1[16], cospi_28_64,
+                                                         s1[31], cospi_4_64);
+
+  s1[21] = multiply_accumulate_shift_and_narrow_s32_dual(s1[20], -cospi_20_64,
+                                                         s1[27], cospi_12_64);
+  s1[26] = multiply_accumulate_shift_and_narrow_s32_dual(s1[20], cospi_12_64,
+                                                         s1[27], cospi_20_64);
+
+  s1[22] = multiply_accumulate_shift_and_narrow_s32_dual(s1[23], -cospi_12_64,
+                                                         s1[24], -cospi_20_64);
+  s1[25] = multiply_accumulate_shift_and_narrow_s32_dual(s1[23], -cospi_20_64,
+                                                         s1[24], cospi_12_64);
+
+  // stage 4
+  s1[0] = multiply_shift_and_narrow_s32_dual(in[0], cospi_16_64);
+
+  s2[9] = multiply_accumulate_shift_and_narrow_s32_dual(s2[8], -cospi_8_64,
+                                                        s2[15], cospi_24_64);
+  s2[14] = multiply_accumulate_shift_and_narrow_s32_dual(s2[8], cospi_24_64,
+                                                         s2[15], cospi_8_64);
+
+  s2[20] = highbd_idct_sub_dual(s1[23], s1[20]);
+  s2[21] = highbd_idct_sub_dual(s1[22], s1[21]);
+  s2[22] = highbd_idct_add_dual(s1[21], s1[22]);
+  s2[23] = highbd_idct_add_dual(s1[20], s1[23]);
+  s2[24] = highbd_idct_add_dual(s1[24], s1[27]);
+  s2[25] = highbd_idct_add_dual(s1[25], s1[26]);
+  s2[26] = highbd_idct_sub_dual(s1[25], s1[26]);
+  s2[27] = highbd_idct_sub_dual(s1[24], s1[27]);
+
+  // stage 5
+  s1[5] = sub_multiply_shift_and_narrow_s32_dual(s1[7], s1[4], cospi_16_64);
+  s1[6] = add_multiply_shift_and_narrow_s32_dual(s1[4], s1[7], cospi_16_64);
+
+  s1[18] = multiply_accumulate_shift_and_narrow_s32_dual(s1[17], -cospi_8_64,
+                                                         s1[30], cospi_24_64);
+  s1[29] = multiply_accumulate_shift_and_narrow_s32_dual(s1[17], cospi_24_64,
+                                                         s1[30], cospi_8_64);
+
+  s1[19] = multiply_accumulate_shift_and_narrow_s32_dual(s1[16], -cospi_8_64,
+                                                         s1[31], cospi_24_64);
+  s1[28] = multiply_accumulate_shift_and_narrow_s32_dual(s1[16], cospi_24_64,
+                                                         s1[31], cospi_8_64);
+
+  s1[20] = multiply_accumulate_shift_and_narrow_s32_dual(s2[20], -cospi_24_64,
+                                                         s2[27], -cospi_8_64);
+  s1[27] = multiply_accumulate_shift_and_narrow_s32_dual(s2[20], -cospi_8_64,
+                                                         s2[27], cospi_24_64);
+
+  s1[21] = multiply_accumulate_shift_and_narrow_s32_dual(s2[21], -cospi_24_64,
+                                                         s2[26], -cospi_8_64);
+  s1[26] = multiply_accumulate_shift_and_narrow_s32_dual(s2[21], -cospi_8_64,
+                                                         s2[26], cospi_24_64);
+
+  // stage 6
+  s2[0] = highbd_idct_add_dual(s1[0], s1[7]);
+  s2[1] = highbd_idct_add_dual(s1[0], s1[6]);
+  s2[2] = highbd_idct_add_dual(s1[0], s1[5]);
+  s2[3] = highbd_idct_add_dual(s1[0], s1[4]);
+  s2[4] = highbd_idct_sub_dual(s1[0], s1[4]);
+  s2[5] = highbd_idct_sub_dual(s1[0], s1[5]);
+  s2[6] = highbd_idct_sub_dual(s1[0], s1[6]);
+  s2[7] = highbd_idct_sub_dual(s1[0], s1[7]);
+
+  s2[10] = sub_multiply_shift_and_narrow_s32_dual(s2[14], s2[9], cospi_16_64);
+  s2[13] = add_multiply_shift_and_narrow_s32_dual(s2[9], s2[14], cospi_16_64);
+
+  s2[11] = sub_multiply_shift_and_narrow_s32_dual(s2[15], s2[8], cospi_16_64);
+  s2[12] = add_multiply_shift_and_narrow_s32_dual(s2[8], s2[15], cospi_16_64);
+
+  s2[16] = highbd_idct_add_dual(s1[16], s2[23]);
+  s2[17] = highbd_idct_add_dual(s1[17], s2[22]);
+  s2[18] = highbd_idct_add_dual(s1[18], s1[21]);
+  s2[19] = highbd_idct_add_dual(s1[19], s1[20]);
+  s2[20] = highbd_idct_sub_dual(s1[19], s1[20]);
+  s2[21] = highbd_idct_sub_dual(s1[18], s1[21]);
+  s2[22] = highbd_idct_sub_dual(s1[17], s2[22]);
+  s2[23] = highbd_idct_sub_dual(s1[16], s2[23]);
+
+  s3[24] = highbd_idct_sub_dual(s1[31], s2[24]);
+  s3[25] = highbd_idct_sub_dual(s1[30], s2[25]);
+  s3[26] = highbd_idct_sub_dual(s1[29], s1[26]);
+  s3[27] = highbd_idct_sub_dual(s1[28], s1[27]);
+  s2[28] = highbd_idct_add_dual(s1[27], s1[28]);
+  s2[29] = highbd_idct_add_dual(s1[26], s1[29]);
+  s2[30] = highbd_idct_add_dual(s2[25], s1[30]);
+  s2[31] = highbd_idct_add_dual(s2[24], s1[31]);
+
+  // stage 7
+  s1[0] = highbd_idct_add_dual(s2[0], s2[15]);
+  s1[1] = highbd_idct_add_dual(s2[1], s2[14]);
+  s1[2] = highbd_idct_add_dual(s2[2], s2[13]);
+  s1[3] = highbd_idct_add_dual(s2[3], s2[12]);
+  s1[4] = highbd_idct_add_dual(s2[4], s2[11]);
+  s1[5] = highbd_idct_add_dual(s2[5], s2[10]);
+  s1[6] = highbd_idct_add_dual(s2[6], s2[9]);
+  s1[7] = highbd_idct_add_dual(s2[7], s2[8]);
+  s1[8] = highbd_idct_sub_dual(s2[7], s2[8]);
+  s1[9] = highbd_idct_sub_dual(s2[6], s2[9]);
+  s1[10] = highbd_idct_sub_dual(s2[5], s2[10]);
+  s1[11] = highbd_idct_sub_dual(s2[4], s2[11]);
+  s1[12] = highbd_idct_sub_dual(s2[3], s2[12]);
+  s1[13] = highbd_idct_sub_dual(s2[2], s2[13]);
+  s1[14] = highbd_idct_sub_dual(s2[1], s2[14]);
+  s1[15] = highbd_idct_sub_dual(s2[0], s2[15]);
+
+  s1[20] = sub_multiply_shift_and_narrow_s32_dual(s3[27], s2[20], cospi_16_64);
+  s1[27] = add_multiply_shift_and_narrow_s32_dual(s2[20], s3[27], cospi_16_64);
+
+  s1[21] = sub_multiply_shift_and_narrow_s32_dual(s3[26], s2[21], cospi_16_64);
+  s1[26] = add_multiply_shift_and_narrow_s32_dual(s2[21], s3[26], cospi_16_64);
+
+  s1[22] = sub_multiply_shift_and_narrow_s32_dual(s3[25], s2[22], cospi_16_64);
+  s1[25] = add_multiply_shift_and_narrow_s32_dual(s2[22], s3[25], cospi_16_64);
+
+  s1[23] = sub_multiply_shift_and_narrow_s32_dual(s3[24], s2[23], cospi_16_64);
+  s1[24] = add_multiply_shift_and_narrow_s32_dual(s2[23], s3[24], cospi_16_64);
+
+  // final stage
+  s3[0] = highbd_idct_add_dual(s1[0], s2[31]);
+  s3[1] = highbd_idct_add_dual(s1[1], s2[30]);
+  s3[2] = highbd_idct_add_dual(s1[2], s2[29]);
+  s3[3] = highbd_idct_add_dual(s1[3], s2[28]);
+  s3[4] = highbd_idct_add_dual(s1[4], s1[27]);
+  s3[5] = highbd_idct_add_dual(s1[5], s1[26]);
+  s3[6] = highbd_idct_add_dual(s1[6], s1[25]);
+  s3[7] = highbd_idct_add_dual(s1[7], s1[24]);
+  s3[8] = highbd_idct_add_dual(s1[8], s1[23]);
+  s3[9] = highbd_idct_add_dual(s1[9], s1[22]);
+  s3[10] = highbd_idct_add_dual(s1[10], s1[21]);
+  s3[11] = highbd_idct_add_dual(s1[11], s1[20]);
+  s3[12] = highbd_idct_add_dual(s1[12], s2[19]);
+  s3[13] = highbd_idct_add_dual(s1[13], s2[18]);
+  s3[14] = highbd_idct_add_dual(s1[14], s2[17]);
+  s3[15] = highbd_idct_add_dual(s1[15], s2[16]);
+  s3[16] = highbd_idct_sub_dual(s1[15], s2[16]);
+  s3[17] = highbd_idct_sub_dual(s1[14], s2[17]);
+  s3[18] = highbd_idct_sub_dual(s1[13], s2[18]);
+  s3[19] = highbd_idct_sub_dual(s1[12], s2[19]);
+  s3[20] = highbd_idct_sub_dual(s1[11], s1[20]);
+  s3[21] = highbd_idct_sub_dual(s1[10], s1[21]);
+  s3[22] = highbd_idct_sub_dual(s1[9], s1[22]);
+  s3[23] = highbd_idct_sub_dual(s1[8], s1[23]);
+  s3[24] = highbd_idct_sub_dual(s1[7], s1[24]);
+  s3[25] = highbd_idct_sub_dual(s1[6], s1[25]);
+  s3[26] = highbd_idct_sub_dual(s1[5], s1[26]);
+  s3[27] = highbd_idct_sub_dual(s1[4], s1[27]);
+  s3[28] = highbd_idct_sub_dual(s1[3], s2[28]);
+  s3[29] = highbd_idct_sub_dual(s1[2], s2[29]);
+  s3[30] = highbd_idct_sub_dual(s1[1], s2[30]);
+  s3[31] = highbd_idct_sub_dual(s1[0], s2[31]);
+
+  vst1q_s32(output, s3[0].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[0].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[1].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[1].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[2].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[2].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[3].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[3].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[4].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[4].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[5].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[5].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[6].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[6].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[7].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[7].val[1]);
+  output += 4;
+
+  vst1q_s32(output, s3[8].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[8].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[9].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[9].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[10].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[10].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[11].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[11].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[12].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[12].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[13].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[13].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[14].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[14].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[15].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[15].val[1]);
+  output += 4;
+
+  vst1q_s32(output, s3[16].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[16].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[17].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[17].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[18].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[18].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[19].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[19].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[20].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[20].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[21].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[21].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[22].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[22].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[23].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[23].val[1]);
+  output += 4;
+
+  vst1q_s32(output, s3[24].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[24].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[25].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[25].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[26].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[26].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[27].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[27].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[28].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[28].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[29].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[29].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[30].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[30].val[1]);
+  output += 4;
+  vst1q_s32(output, s3[31].val[0]);
+  output += 4;
+  vst1q_s32(output, s3[31].val[1]);
+}
+
+static void highbd_idct32_8_neon(const int32_t *input, uint16_t *output,
+                                 int stride, const int bd) {
+  int32x4x2_t in[8], s1[32], s2[32], s3[32], out[32];
+
+  load_and_transpose_s32_8x8(input, 8, &in[0], &in[1], &in[2], &in[3], &in[4],
+                             &in[5], &in[6], &in[7]);
+
+  // stage 1
+  s1[16] = multiply_shift_and_narrow_s32_dual(in[1], cospi_31_64);
+  s1[31] = multiply_shift_and_narrow_s32_dual(in[1], cospi_1_64);
+
+  // Different for _8_
+  s1[19] = multiply_shift_and_narrow_s32_dual(in[7], -cospi_25_64);
+  s1[28] = multiply_shift_and_narrow_s32_dual(in[7], cospi_7_64);
+
+  s1[20] = multiply_shift_and_narrow_s32_dual(in[5], cospi_27_64);
+  s1[27] = multiply_shift_and_narrow_s32_dual(in[5], cospi_5_64);
+
+  s1[23] = multiply_shift_and_narrow_s32_dual(in[3], -cospi_29_64);
+  s1[24] = multiply_shift_and_narrow_s32_dual(in[3], cospi_3_64);
+
+  // stage 2
+  s2[8] = multiply_shift_and_narrow_s32_dual(in[2], cospi_30_64);
+  s2[15] = multiply_shift_and_narrow_s32_dual(in[2], cospi_2_64);
+
+  s2[11] = multiply_shift_and_narrow_s32_dual(in[6], -cospi_26_64);
+  s2[12] = multiply_shift_and_narrow_s32_dual(in[6], cospi_6_64);
+
+  // stage 3
+  s1[4] = multiply_shift_and_narrow_s32_dual(in[4], cospi_28_64);
+  s1[7] = multiply_shift_and_narrow_s32_dual(in[4], cospi_4_64);
+
+  s1[17] = multiply_accumulate_shift_and_narrow_s32_dual(s1[16], -cospi_4_64,
+                                                         s1[31], cospi_28_64);
+  s1[30] = multiply_accumulate_shift_and_narrow_s32_dual(s1[16], cospi_28_64,
+                                                         s1[31], cospi_4_64);
+
+  // Different for _8_
+  s1[18] = multiply_accumulate_shift_and_narrow_s32_dual(s1[19], -cospi_28_64,
+                                                         s1[28], -cospi_4_64);
+  s1[29] = multiply_accumulate_shift_and_narrow_s32_dual(s1[19], -cospi_4_64,
+                                                         s1[28], cospi_28_64);
+
+  s1[21] = multiply_accumulate_shift_and_narrow_s32_dual(s1[20], -cospi_20_64,
+                                                         s1[27], cospi_12_64);
+  s1[26] = multiply_accumulate_shift_and_narrow_s32_dual(s1[20], cospi_12_64,
+                                                         s1[27], cospi_20_64);
+
+  s1[22] = multiply_accumulate_shift_and_narrow_s32_dual(s1[23], -cospi_12_64,
+                                                         s1[24], -cospi_20_64);
+  s1[25] = multiply_accumulate_shift_and_narrow_s32_dual(s1[23], -cospi_20_64,
+                                                         s1[24], cospi_12_64);
+
+  // stage 4
+  s1[0] = multiply_shift_and_narrow_s32_dual(in[0], cospi_16_64);
+
+  s2[9] = multiply_accumulate_shift_and_narrow_s32_dual(s2[8], -cospi_8_64,
+                                                        s2[15], cospi_24_64);
+  s2[14] = multiply_accumulate_shift_and_narrow_s32_dual(s2[8], cospi_24_64,
+                                                         s2[15], cospi_8_64);
+
+  s2[10] = multiply_accumulate_shift_and_narrow_s32_dual(s2[11], -cospi_24_64,
+                                                         s2[12], -cospi_8_64);
+  s2[13] = multiply_accumulate_shift_and_narrow_s32_dual(s2[11], -cospi_8_64,
+                                                         s2[12], cospi_24_64);
+
+  s2[16] = highbd_idct_add_dual(s1[16], s1[19]);
+
+  s2[17] = highbd_idct_add_dual(s1[17], s1[18]);
+  s2[18] = highbd_idct_sub_dual(s1[17], s1[18]);
+
+  s2[19] = highbd_idct_sub_dual(s1[16], s1[19]);
+
+  s2[20] = highbd_idct_sub_dual(s1[23], s1[20]);
+  s2[21] = highbd_idct_sub_dual(s1[22], s1[21]);
+
+  s2[22] = highbd_idct_add_dual(s1[21], s1[22]);
+  s2[23] = highbd_idct_add_dual(s1[20], s1[23]);
+
+  s2[24] = highbd_idct_add_dual(s1[24], s1[27]);
+  s2[25] = highbd_idct_add_dual(s1[25], s1[26]);
+  s2[26] = highbd_idct_sub_dual(s1[25], s1[26]);
+  s2[27] = highbd_idct_sub_dual(s1[24], s1[27]);
+
+  s2[28] = highbd_idct_sub_dual(s1[31], s1[28]);
+  s2[29] = highbd_idct_sub_dual(s1[30], s1[29]);
+  s2[30] = highbd_idct_add_dual(s1[29], s1[30]);
+  s2[31] = highbd_idct_add_dual(s1[28], s1[31]);
+
+  // stage 5
+  s1[5] = sub_multiply_shift_and_narrow_s32_dual(s1[7], s1[4], cospi_16_64);
+  s1[6] = add_multiply_shift_and_narrow_s32_dual(s1[4], s1[7], cospi_16_64);
+
+  s1[8] = highbd_idct_add_dual(s2[8], s2[11]);
+  s1[9] = highbd_idct_add_dual(s2[9], s2[10]);
+  s1[10] = highbd_idct_sub_dual(s2[9], s2[10]);
+  s1[11] = highbd_idct_sub_dual(s2[8], s2[11]);
+  s1[12] = highbd_idct_sub_dual(s2[15], s2[12]);
+  s1[13] = highbd_idct_sub_dual(s2[14], s2[13]);
+  s1[14] = highbd_idct_add_dual(s2[13], s2[14]);
+  s1[15] = highbd_idct_add_dual(s2[12], s2[15]);
+
+  s1[18] = multiply_accumulate_shift_and_narrow_s32_dual(s2[18], -cospi_8_64,
+                                                         s2[29], cospi_24_64);
+  s1[29] = multiply_accumulate_shift_and_narrow_s32_dual(s2[18], cospi_24_64,
+                                                         s2[29], cospi_8_64);
+
+  s1[19] = multiply_accumulate_shift_and_narrow_s32_dual(s2[19], -cospi_8_64,
+                                                         s2[28], cospi_24_64);
+  s1[28] = multiply_accumulate_shift_and_narrow_s32_dual(s2[19], cospi_24_64,
+                                                         s2[28], cospi_8_64);
+
+  s1[20] = multiply_accumulate_shift_and_narrow_s32_dual(s2[20], -cospi_24_64,
+                                                         s2[27], -cospi_8_64);
+  s1[27] = multiply_accumulate_shift_and_narrow_s32_dual(s2[20], -cospi_8_64,
+                                                         s2[27], cospi_24_64);
+
+  s1[21] = multiply_accumulate_shift_and_narrow_s32_dual(s2[21], -cospi_24_64,
+                                                         s2[26], -cospi_8_64);
+  s1[26] = multiply_accumulate_shift_and_narrow_s32_dual(s2[21], -cospi_8_64,
+                                                         s2[26], cospi_24_64);
+
+  // stage 6
+  s2[0] = highbd_idct_add_dual(s1[0], s1[7]);
+  s2[1] = highbd_idct_add_dual(s1[0], s1[6]);
+  s2[2] = highbd_idct_add_dual(s1[0], s1[5]);
+  s2[3] = highbd_idct_add_dual(s1[0], s1[4]);
+  s2[4] = highbd_idct_sub_dual(s1[0], s1[4]);
+  s2[5] = highbd_idct_sub_dual(s1[0], s1[5]);
+  s2[6] = highbd_idct_sub_dual(s1[0], s1[6]);
+  s2[7] = highbd_idct_sub_dual(s1[0], s1[7]);
+
+  s2[10] = sub_multiply_shift_and_narrow_s32_dual(s1[13], s1[10], cospi_16_64);
+  s2[13] = add_multiply_shift_and_narrow_s32_dual(s1[10], s1[13], cospi_16_64);
+
+  s2[11] = sub_multiply_shift_and_narrow_s32_dual(s1[12], s1[11], cospi_16_64);
+  s2[12] = add_multiply_shift_and_narrow_s32_dual(s1[11], s1[12], cospi_16_64);
+
+  s1[16] = highbd_idct_add_dual(s2[16], s2[23]);
+  s1[17] = highbd_idct_add_dual(s2[17], s2[22]);
+  s2[18] = highbd_idct_add_dual(s1[18], s1[21]);
+  s2[19] = highbd_idct_add_dual(s1[19], s1[20]);
+  s2[20] = highbd_idct_sub_dual(s1[19], s1[20]);
+  s2[21] = highbd_idct_sub_dual(s1[18], s1[21]);
+  s1[22] = highbd_idct_sub_dual(s2[17], s2[22]);
+  s1[23] = highbd_idct_sub_dual(s2[16], s2[23]);
+
+  s3[24] = highbd_idct_sub_dual(s2[31], s2[24]);
+  s3[25] = highbd_idct_sub_dual(s2[30], s2[25]);
+  s3[26] = highbd_idct_sub_dual(s1[29], s1[26]);
+  s3[27] = highbd_idct_sub_dual(s1[28], s1[27]);
+  s2[28] = highbd_idct_add_dual(s1[27], s1[28]);
+  s2[29] = highbd_idct_add_dual(s1[26], s1[29]);
+  s2[30] = highbd_idct_add_dual(s2[25], s2[30]);
+  s2[31] = highbd_idct_add_dual(s2[24], s2[31]);
+
+  // stage 7
+  s1[0] = highbd_idct_add_dual(s2[0], s1[15]);
+  s1[1] = highbd_idct_add_dual(s2[1], s1[14]);
+  s1[2] = highbd_idct_add_dual(s2[2], s2[13]);
+  s1[3] = highbd_idct_add_dual(s2[3], s2[12]);
+  s1[4] = highbd_idct_add_dual(s2[4], s2[11]);
+  s1[5] = highbd_idct_add_dual(s2[5], s2[10]);
+  s1[6] = highbd_idct_add_dual(s2[6], s1[9]);
+  s1[7] = highbd_idct_add_dual(s2[7], s1[8]);
+  s1[8] = highbd_idct_sub_dual(s2[7], s1[8]);
+  s1[9] = highbd_idct_sub_dual(s2[6], s1[9]);
+  s1[10] = highbd_idct_sub_dual(s2[5], s2[10]);
+  s1[11] = highbd_idct_sub_dual(s2[4], s2[11]);
+  s1[12] = highbd_idct_sub_dual(s2[3], s2[12]);
+  s1[13] = highbd_idct_sub_dual(s2[2], s2[13]);
+  s1[14] = highbd_idct_sub_dual(s2[1], s1[14]);
+  s1[15] = highbd_idct_sub_dual(s2[0], s1[15]);
+
+  s1[20] = sub_multiply_shift_and_narrow_s32_dual(s3[27], s2[20], cospi_16_64);
+  s1[27] = add_multiply_shift_and_narrow_s32_dual(s2[20], s3[27], cospi_16_64);
+
+  s1[21] = sub_multiply_shift_and_narrow_s32_dual(s3[26], s2[21], cospi_16_64);
+  s1[26] = add_multiply_shift_and_narrow_s32_dual(s2[21], s3[26], cospi_16_64);
+
+  s2[22] = sub_multiply_shift_and_narrow_s32_dual(s3[25], s1[22], cospi_16_64);
+  s1[25] = add_multiply_shift_and_narrow_s32_dual(s1[22], s3[25], cospi_16_64);
+
+  s2[23] = sub_multiply_shift_and_narrow_s32_dual(s3[24], s1[23], cospi_16_64);
+  s1[24] = add_multiply_shift_and_narrow_s32_dual(s1[23], s3[24], cospi_16_64);
+
+  // final stage
+  out[0] = highbd_idct_add_dual(s1[0], s2[31]);
+  out[1] = highbd_idct_add_dual(s1[1], s2[30]);
+  out[2] = highbd_idct_add_dual(s1[2], s2[29]);
+  out[3] = highbd_idct_add_dual(s1[3], s2[28]);
+  out[4] = highbd_idct_add_dual(s1[4], s1[27]);
+  out[5] = highbd_idct_add_dual(s1[5], s1[26]);
+  out[6] = highbd_idct_add_dual(s1[6], s1[25]);
+  out[7] = highbd_idct_add_dual(s1[7], s1[24]);
+  out[8] = highbd_idct_add_dual(s1[8], s2[23]);
+  out[9] = highbd_idct_add_dual(s1[9], s2[22]);
+  out[10] = highbd_idct_add_dual(s1[10], s1[21]);
+  out[11] = highbd_idct_add_dual(s1[11], s1[20]);
+  out[12] = highbd_idct_add_dual(s1[12], s2[19]);
+  out[13] = highbd_idct_add_dual(s1[13], s2[18]);
+  out[14] = highbd_idct_add_dual(s1[14], s1[17]);
+  out[15] = highbd_idct_add_dual(s1[15], s1[16]);
+  out[16] = highbd_idct_sub_dual(s1[15], s1[16]);
+  out[17] = highbd_idct_sub_dual(s1[14], s1[17]);
+  out[18] = highbd_idct_sub_dual(s1[13], s2[18]);
+  out[19] = highbd_idct_sub_dual(s1[12], s2[19]);
+  out[20] = highbd_idct_sub_dual(s1[11], s1[20]);
+  out[21] = highbd_idct_sub_dual(s1[10], s1[21]);
+  out[22] = highbd_idct_sub_dual(s1[9], s2[22]);
+  out[23] = highbd_idct_sub_dual(s1[8], s2[23]);
+  out[24] = highbd_idct_sub_dual(s1[7], s1[24]);
+  out[25] = highbd_idct_sub_dual(s1[6], s1[25]);
+  out[26] = highbd_idct_sub_dual(s1[5], s1[26]);
+  out[27] = highbd_idct_sub_dual(s1[4], s1[27]);
+  out[28] = highbd_idct_sub_dual(s1[3], s2[28]);
+  out[29] = highbd_idct_sub_dual(s1[2], s2[29]);
+  out[30] = highbd_idct_sub_dual(s1[1], s2[30]);
+  out[31] = highbd_idct_sub_dual(s1[0], s2[31]);
+
+  highbd_idct16x16_add_store(out, output, stride, bd);
+  highbd_idct16x16_add_store(out + 16, output + 16 * stride, stride, bd);
+}
+
+void vpx_highbd_idct32x32_34_add_neon(const tran_low_t *input, uint8_t *dest,
+                                      int stride, int bd) {
+  int i;
+
+  if (bd == 8) {
+    int16_t temp[32 * 8];
+    int16_t *t = temp;
+
+    idct32_6_neon(input, t);
+
+    for (i = 0; i < 32; i += 8) {
+      idct32_8_neon(t, dest, stride, 1);
+      t += (8 * 8);
+      dest += 8;
+    }
+  } else {
+    uint16_t *dst = CONVERT_TO_SHORTPTR(dest);
+    int32_t temp[32 * 8];
+    int32_t *t = temp;
+
+    highbd_idct32_6_neon(input, t);
+
+    for (i = 0; i < 32; i += 8) {
+      highbd_idct32_8_neon(t, dst, stride, bd);
+      t += (8 * 8);
+      dst += 8;
+    }
+  }
+}
diff --git a/vpx_dsp/arm/idct32x32_34_add_neon.c b/vpx_dsp/arm/idct32x32_34_add_neon.c
index beaa43342..f0bee966a 100644
--- a/vpx_dsp/arm/idct32x32_34_add_neon.c
+++ b/vpx_dsp/arm/idct32x32_34_add_neon.c
@@ -35,7 +35,7 @@
 // 5 13 20 26
 // 6 21 27 33
 // 7 24 32
-static void idct32_6_neon(const tran_low_t *input, int16_t *output) {
+void idct32_6_neon(const tran_low_t *input, int16_t *output) {
   int16x8_t in[8], s1[32], s2[32], s3[32];
 
   in[0] = load_tran_low_to_s16q(input);
@@ -265,8 +265,9 @@ static void idct32_6_neon(const tran_low_t *input, int16_t *output) {
   vst1q_s16(output, vsubq_s16(s1[0], s2[31]));
 }
 
-static void idct32_8_neon(const int16_t *input, uint8_t *output, int stride) {
-  int16x8_t in[8], s1[32], s2[32], s3[32], out[8];
+void idct32_8_neon(const int16_t *input, uint8_t *output, int stride,
+                   const int highbd_flag) {
+  int16x8_t in[8], s1[32], s2[32], s3[32], out[32];
 
   load_and_transpose_s16_8x8(input, 8, &in[0], &in[1], &in[2], &in[3], &in[4],
                              &in[5], &in[6], &in[7]);
@@ -459,45 +460,44 @@ static void idct32_8_neon(const int16_t *input, uint8_t *output, int stride) {
   out[5] = final_add(s1[5], s1[26]);
   out[6] = final_add(s1[6], s1[25]);
   out[7] = final_add(s1[7], s1[24]);
-
-  add_and_store_u8_s16(out[0], out[1], out[2], out[3], out[4], out[5], out[6],
-                       out[7], output, stride);
-
-  out[0] = final_add(s1[8], s2[23]);
-  out[1] = final_add(s1[9], s2[22]);
-  out[2] = final_add(s1[10], s1[21]);
-  out[3] = final_add(s1[11], s1[20]);
-  out[4] = final_add(s1[12], s2[19]);
-  out[5] = final_add(s1[13], s2[18]);
-  out[6] = final_add(s1[14], s1[17]);
-  out[7] = final_add(s1[15], s1[16]);
-
-  add_and_store_u8_s16(out[0], out[1], out[2], out[3], out[4], out[5], out[6],
-                       out[7], output + (8 * stride), stride);
-
-  out[0] = final_sub(s1[15], s1[16]);
-  out[1] = final_sub(s1[14], s1[17]);
-  out[2] = final_sub(s1[13], s2[18]);
-  out[3] = final_sub(s1[12], s2[19]);
-  out[4] = final_sub(s1[11], s1[20]);
-  out[5] = final_sub(s1[10], s1[21]);
-  out[6] = final_sub(s1[9], s2[22]);
-  out[7] = final_sub(s1[8], s2[23]);
-
-  add_and_store_u8_s16(out[0], out[1], out[2], out[3], out[4], out[5], out[6],
-                       out[7], output + (16 * stride), stride);
-
-  out[0] = final_sub(s1[7], s1[24]);
-  out[1] = final_sub(s1[6], s1[25]);
-  out[2] = final_sub(s1[5], s1[26]);
-  out[3] = final_sub(s1[4], s1[27]);
-  out[4] = final_sub(s1[3], s2[28]);
-  out[5] = final_sub(s1[2], s2[29]);
-  out[6] = final_sub(s1[1], s2[30]);
-  out[7] = final_sub(s1[0], s2[31]);
-
-  add_and_store_u8_s16(out[0], out[1], out[2], out[3], out[4], out[5], out[6],
-                       out[7], output + (24 * stride), stride);
+  out[8] = final_add(s1[8], s2[23]);
+  out[9] = final_add(s1[9], s2[22]);
+  out[10] = final_add(s1[10], s1[21]);
+  out[11] = final_add(s1[11], s1[20]);
+  out[12] = final_add(s1[12], s2[19]);
+  out[13] = final_add(s1[13], s2[18]);
+  out[14] = final_add(s1[14], s1[17]);
+  out[15] = final_add(s1[15], s1[16]);
+  out[16] = final_sub(s1[15], s1[16]);
+  out[17] = final_sub(s1[14], s1[17]);
+  out[18] = final_sub(s1[13], s2[18]);
+  out[19] = final_sub(s1[12], s2[19]);
+  out[20] = final_sub(s1[11], s1[20]);
+  out[21] = final_sub(s1[10], s1[21]);
+  out[22] = final_sub(s1[9], s2[22]);
+  out[23] = final_sub(s1[8], s2[23]);
+  out[24] = final_sub(s1[7], s1[24]);
+  out[25] = final_sub(s1[6], s1[25]);
+  out[26] = final_sub(s1[5], s1[26]);
+  out[27] = final_sub(s1[4], s1[27]);
+  out[28] = final_sub(s1[3], s2[28]);
+  out[29] = final_sub(s1[2], s2[29]);
+  out[30] = final_sub(s1[1], s2[30]);
+  out[31] = final_sub(s1[0], s2[31]);
+
+  if (highbd_flag) {
+    uint16_t *const outputT = CONVERT_TO_SHORTPTR(output);
+    highbd_add_and_store_bd8(out, outputT, stride);
+  } else {
+    add_and_store_u8_s16(out[0], out[1], out[2], out[3], out[4], out[5], out[6],
+                         out[7], output, stride);
+    add_and_store_u8_s16(out[8], out[9], out[10], out[11], out[12], out[13],
+                         out[14], out[15], output + (8 * stride), stride);
+    add_and_store_u8_s16(out[16], out[17], out[18], out[19], out[20], out[21],
+                         out[22], out[23], output + (16 * stride), stride);
+    add_and_store_u8_s16(out[24], out[25], out[26], out[27], out[28], out[29],
+                         out[30], out[31], output + (24 * stride), stride);
+  }
 }
 
 void vpx_idct32x32_34_add_neon(const tran_low_t *input, uint8_t *dest,
@@ -509,7 +509,7 @@ void vpx_idct32x32_34_add_neon(const tran_low_t *input, uint8_t *dest,
   idct32_6_neon(input, t);
 
   for (i = 0; i < 32; i += 8) {
-    idct32_8_neon(t, dest, stride);
+    idct32_8_neon(t, dest, stride, 0);
     t += (8 * 8);
     dest += 8;
   }
diff --git a/vpx_dsp/arm/idct_neon.h b/vpx_dsp/arm/idct_neon.h
index bd0892c0d..693deb675 100644
--- a/vpx_dsp/arm/idct_neon.h
+++ b/vpx_dsp/arm/idct_neon.h
@@ -981,4 +981,8 @@ void idct32_12_neon(const tran_low_t *const input, int16_t *output);
 void idct32_16_neon(const int16_t *const input, uint8_t *const output,
                     const int stride, const int highbd_flag);
 
+void idct32_6_neon(const tran_low_t *input, int16_t *output);
+void idct32_8_neon(const int16_t *input, uint8_t *output, int stride,
+                   const int highbd_flag);
+
 #endif  // VPX_DSP_ARM_IDCT_NEON_H_
diff --git a/vpx_dsp/vpx_dsp.mk b/vpx_dsp/vpx_dsp.mk
index 1599b2678..ea5e122af 100644
--- a/vpx_dsp/vpx_dsp.mk
+++ b/vpx_dsp/vpx_dsp.mk
@@ -224,6 +224,7 @@ DSP_SRCS-$(HAVE_NEON)  += arm/highbd_idct4x4_add_neon.c
 DSP_SRCS-$(HAVE_NEON)  += arm/highbd_idct8x8_add_neon.c
 DSP_SRCS-$(HAVE_NEON)  += arm/highbd_idct16x16_add_neon.c
 DSP_SRCS-$(HAVE_NEON)  += arm/highbd_idct32x32_add_neon.c
+DSP_SRCS-$(HAVE_NEON)  += arm/highbd_idct32x32_34_add_neon.c
 DSP_SRCS-$(HAVE_NEON)  += arm/highbd_idct32x32_135_add_neon.c
 endif  # !CONFIG_VP9_HIGHBITDEPTH
 
diff --git a/vpx_dsp/vpx_dsp_rtcd_defs.pl b/vpx_dsp/vpx_dsp_rtcd_defs.pl
index bcd912cd8..1a35a8581 100644
--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl
+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl
@@ -678,6 +678,8 @@ if (vpx_config("CONFIG_VP9_HIGHBITDEPTH") eq "yes") {
     add_proto qw/void vpx_highbd_idct16x16_10_add/, "const tran_low_t *input, uint8_t *dest, int stride, int bd";
 
     add_proto qw/void vpx_highbd_idct32x32_135_add/, "const tran_low_t *input, uint8_t *dest, int stride, int bd";
+
+    add_proto qw/void vpx_highbd_idct32x32_34_add/, "const tran_low_t *input, uint8_t *dest, int stride, int bd";
   } else {
     add_proto qw/void vpx_idct4x4_16_add/, "const tran_low_t *input, uint8_t *dest, int stride";
     specialize qw/vpx_idct4x4_16_add neon sse2/;
@@ -742,6 +744,9 @@ if (vpx_config("CONFIG_VP9_HIGHBITDEPTH") eq "yes") {
 
     add_proto qw/void vpx_highbd_idct32x32_135_add/, "const tran_low_t *input, uint8_t *dest, int stride, int bd";
     specialize qw/vpx_highbd_idct32x32_135_add neon/;
+
+    add_proto qw/void vpx_highbd_idct32x32_34_add/, "const tran_low_t *input, uint8_t *dest, int stride, int bd";
+    specialize qw/vpx_highbd_idct32x32_34_add neon/;
   }  # CONFIG_EMULATE_HARDWARE
 } else {
   # Force C versions if CONFIG_EMULATE_HARDWARE is 1