Update aom to slightly newer commit ID

1 files changed, 864 insertions, 0 deletions

diff --git a/third_party/aom/aom_dsp/inv_txfm.c b/third_party/aom/aom_dsp/inv_txfm.c
index bb995856a..6e7d8c928 100644
--- a/third_party/aom/aom_dsp/inv_txfm.c
+++ b/third_party/aom/aom_dsp/inv_txfm.c
@@ -1442,4 +1442,868 @@ void aom_highbd_idct4x4_1_add_c(const tran_low_t *input, uint8_t *dest8,
   }
 }
 
+void aom_highbd_idct8_c(const tran_low_t *input, tran_low_t *output, int bd) {
+  tran_low_t step1[8], step2[8];
+  tran_high_t temp1, temp2;
+  // stage 1
+  step1[0] = input[0];
+  step1[2] = input[4];
+  step1[1] = input[2];
+  step1[3] = input[6];
+  temp1 = input[1] * cospi_28_64 - input[7] * cospi_4_64;
+  temp2 = input[1] * cospi_4_64 + input[7] * cospi_28_64;
+  step1[4] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[7] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = input[5] * cospi_12_64 - input[3] * cospi_20_64;
+  temp2 = input[5] * cospi_20_64 + input[3] * cospi_12_64;
+  step1[5] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[6] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  // stage 2 & stage 3 - even half
+  aom_highbd_idct4_c(step1, step1, bd);
+
+  // stage 2 - odd half
+  step2[4] = HIGHBD_WRAPLOW(step1[4] + step1[5], bd);
+  step2[5] = HIGHBD_WRAPLOW(step1[4] - step1[5], bd);
+  step2[6] = HIGHBD_WRAPLOW(-step1[6] + step1[7], bd);
+  step2[7] = HIGHBD_WRAPLOW(step1[6] + step1[7], bd);
+
+  // stage 3 - odd half
+  step1[4] = step2[4];
+  temp1 = (step2[6] - step2[5]) * cospi_16_64;
+  temp2 = (step2[5] + step2[6]) * cospi_16_64;
+  step1[5] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[6] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  step1[7] = step2[7];
+
+  // stage 4
+  output[0] = HIGHBD_WRAPLOW(step1[0] + step1[7], bd);
+  output[1] = HIGHBD_WRAPLOW(step1[1] + step1[6], bd);
+  output[2] = HIGHBD_WRAPLOW(step1[2] + step1[5], bd);
+  output[3] = HIGHBD_WRAPLOW(step1[3] + step1[4], bd);
+  output[4] = HIGHBD_WRAPLOW(step1[3] - step1[4], bd);
+  output[5] = HIGHBD_WRAPLOW(step1[2] - step1[5], bd);
+  output[6] = HIGHBD_WRAPLOW(step1[1] - step1[6], bd);
+  output[7] = HIGHBD_WRAPLOW(step1[0] - step1[7], bd);
+}
+
+void aom_highbd_iadst4_c(const tran_low_t *input, tran_low_t *output, int bd) {
+  tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
+
+  tran_low_t x0 = input[0];
+  tran_low_t x1 = input[1];
+  tran_low_t x2 = input[2];
+  tran_low_t x3 = input[3];
+  (void)bd;
+
+  if (!(x0 | x1 | x2 | x3)) {
+    memset(output, 0, 4 * sizeof(*output));
+    return;
+  }
+
+  s0 = sinpi_1_9 * x0;
+  s1 = sinpi_2_9 * x0;
+  s2 = sinpi_3_9 * x1;
+  s3 = sinpi_4_9 * x2;
+  s4 = sinpi_1_9 * x2;
+  s5 = sinpi_2_9 * x3;
+  s6 = sinpi_4_9 * x3;
+  s7 = (tran_high_t)HIGHBD_WRAPLOW(x0 - x2 + x3, bd);
+
+  s0 = s0 + s3 + s5;
+  s1 = s1 - s4 - s6;
+  s3 = s2;
+  s2 = sinpi_3_9 * s7;
+
+  // 1-D transform scaling factor is sqrt(2).
+  // The overall dynamic range is 14b (input) + 14b (multiplication scaling)
+  // + 1b (addition) = 29b.
+  // Hence the output bit depth is 15b.
+  output[0] = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s3), bd);
+  output[1] = HIGHBD_WRAPLOW(dct_const_round_shift(s1 + s3), bd);
+  output[2] = HIGHBD_WRAPLOW(dct_const_round_shift(s2), bd);
+  output[3] = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s1 - s3), bd);
+}
+
+void aom_highbd_iadst8_c(const tran_low_t *input, tran_low_t *output, int bd) {
+  tran_high_t s0, s1, s2, s3, s4, s5, s6, s7;
+
+  tran_low_t x0 = input[7];
+  tran_low_t x1 = input[0];
+  tran_low_t x2 = input[5];
+  tran_low_t x3 = input[2];
+  tran_low_t x4 = input[3];
+  tran_low_t x5 = input[4];
+  tran_low_t x6 = input[1];
+  tran_low_t x7 = input[6];
+  (void)bd;
+
+  if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) {
+    memset(output, 0, 8 * sizeof(*output));
+    return;
+  }
+
+  // stage 1
+  s0 = cospi_2_64 * x0 + cospi_30_64 * x1;
+  s1 = cospi_30_64 * x0 - cospi_2_64 * x1;
+  s2 = cospi_10_64 * x2 + cospi_22_64 * x3;
+  s3 = cospi_22_64 * x2 - cospi_10_64 * x3;
+  s4 = cospi_18_64 * x4 + cospi_14_64 * x5;
+  s5 = cospi_14_64 * x4 - cospi_18_64 * x5;
+  s6 = cospi_26_64 * x6 + cospi_6_64 * x7;
+  s7 = cospi_6_64 * x6 - cospi_26_64 * x7;
+
+  x0 = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s4), bd);
+  x1 = HIGHBD_WRAPLOW(dct_const_round_shift(s1 + s5), bd);
+  x2 = HIGHBD_WRAPLOW(dct_const_round_shift(s2 + s6), bd);
+  x3 = HIGHBD_WRAPLOW(dct_const_round_shift(s3 + s7), bd);
+  x4 = HIGHBD_WRAPLOW(dct_const_round_shift(s0 - s4), bd);
+  x5 = HIGHBD_WRAPLOW(dct_const_round_shift(s1 - s5), bd);
+  x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s2 - s6), bd);
+  x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s3 - s7), bd);
+
+  // stage 2
+  s0 = x0;
+  s1 = x1;
+  s2 = x2;
+  s3 = x3;
+  s4 = cospi_8_64 * x4 + cospi_24_64 * x5;
+  s5 = cospi_24_64 * x4 - cospi_8_64 * x5;
+  s6 = -cospi_24_64 * x6 + cospi_8_64 * x7;
+  s7 = cospi_8_64 * x6 + cospi_24_64 * x7;
+
+  x0 = HIGHBD_WRAPLOW(s0 + s2, bd);
+  x1 = HIGHBD_WRAPLOW(s1 + s3, bd);
+  x2 = HIGHBD_WRAPLOW(s0 - s2, bd);
+  x3 = HIGHBD_WRAPLOW(s1 - s3, bd);
+  x4 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 + s6), bd);
+  x5 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 + s7), bd);
+  x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 - s6), bd);
+  x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 - s7), bd);
+
+  // stage 3
+  s2 = cospi_16_64 * (x2 + x3);
+  s3 = cospi_16_64 * (x2 - x3);
+  s6 = cospi_16_64 * (x6 + x7);
+  s7 = cospi_16_64 * (x6 - x7);
+
+  x2 = HIGHBD_WRAPLOW(dct_const_round_shift(s2), bd);
+  x3 = HIGHBD_WRAPLOW(dct_const_round_shift(s3), bd);
+  x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s6), bd);
+  x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s7), bd);
+
+  output[0] = HIGHBD_WRAPLOW(x0, bd);
+  output[1] = HIGHBD_WRAPLOW(-x4, bd);
+  output[2] = HIGHBD_WRAPLOW(x6, bd);
+  output[3] = HIGHBD_WRAPLOW(-x2, bd);
+  output[4] = HIGHBD_WRAPLOW(x3, bd);
+  output[5] = HIGHBD_WRAPLOW(-x7, bd);
+  output[6] = HIGHBD_WRAPLOW(x5, bd);
+  output[7] = HIGHBD_WRAPLOW(-x1, bd);
+}
+
+void aom_highbd_idct16_c(const tran_low_t *input, tran_low_t *output, int bd) {
+  tran_low_t step1[16], step2[16];
+  tran_high_t temp1, temp2;
+  (void)bd;
+
+  // stage 1
+  step1[0] = input[0 / 2];
+  step1[1] = input[16 / 2];
+  step1[2] = input[8 / 2];
+  step1[3] = input[24 / 2];
+  step1[4] = input[4 / 2];
+  step1[5] = input[20 / 2];
+  step1[6] = input[12 / 2];
+  step1[7] = input[28 / 2];
+  step1[8] = input[2 / 2];
+  step1[9] = input[18 / 2];
+  step1[10] = input[10 / 2];
+  step1[11] = input[26 / 2];
+  step1[12] = input[6 / 2];
+  step1[13] = input[22 / 2];
+  step1[14] = input[14 / 2];
+  step1[15] = input[30 / 2];
+
+  // stage 2
+  step2[0] = step1[0];
+  step2[1] = step1[1];
+  step2[2] = step1[2];
+  step2[3] = step1[3];
+  step2[4] = step1[4];
+  step2[5] = step1[5];
+  step2[6] = step1[6];
+  step2[7] = step1[7];
+
+  temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64;
+  temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64;
+  step2[8] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[15] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64;
+  temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64;
+  step2[9] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[14] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64;
+  temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64;
+  step2[10] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[13] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64;
+  temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64;
+  step2[11] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[12] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  // stage 3
+  step1[0] = step2[0];
+  step1[1] = step2[1];
+  step1[2] = step2[2];
+  step1[3] = step2[3];
+
+  temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64;
+  temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64;
+  step1[4] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[7] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64;
+  temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64;
+  step1[5] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[6] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  step1[8] = HIGHBD_WRAPLOW(step2[8] + step2[9], bd);
+  step1[9] = HIGHBD_WRAPLOW(step2[8] - step2[9], bd);
+  step1[10] = HIGHBD_WRAPLOW(-step2[10] + step2[11], bd);
+  step1[11] = HIGHBD_WRAPLOW(step2[10] + step2[11], bd);
+  step1[12] = HIGHBD_WRAPLOW(step2[12] + step2[13], bd);
+  step1[13] = HIGHBD_WRAPLOW(step2[12] - step2[13], bd);
+  step1[14] = HIGHBD_WRAPLOW(-step2[14] + step2[15], bd);
+  step1[15] = HIGHBD_WRAPLOW(step2[14] + step2[15], bd);
+
+  // stage 4
+  temp1 = (step1[0] + step1[1]) * cospi_16_64;
+  temp2 = (step1[0] - step1[1]) * cospi_16_64;
+  step2[0] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[1] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64;
+  temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64;
+  step2[2] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[3] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  step2[4] = HIGHBD_WRAPLOW(step1[4] + step1[5], bd);
+  step2[5] = HIGHBD_WRAPLOW(step1[4] - step1[5], bd);
+  step2[6] = HIGHBD_WRAPLOW(-step1[6] + step1[7], bd);
+  step2[7] = HIGHBD_WRAPLOW(step1[6] + step1[7], bd);
+
+  step2[8] = step1[8];
+  step2[15] = step1[15];
+  temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64;
+  temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64;
+  step2[9] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[14] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64;
+  temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64;
+  step2[10] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[13] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  step2[11] = step1[11];
+  step2[12] = step1[12];
+
+  // stage 5
+  step1[0] = HIGHBD_WRAPLOW(step2[0] + step2[3], bd);
+  step1[1] = HIGHBD_WRAPLOW(step2[1] + step2[2], bd);
+  step1[2] = HIGHBD_WRAPLOW(step2[1] - step2[2], bd);
+  step1[3] = HIGHBD_WRAPLOW(step2[0] - step2[3], bd);
+  step1[4] = step2[4];
+  temp1 = (step2[6] - step2[5]) * cospi_16_64;
+  temp2 = (step2[5] + step2[6]) * cospi_16_64;
+  step1[5] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[6] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  step1[7] = step2[7];
+
+  step1[8] = HIGHBD_WRAPLOW(step2[8] + step2[11], bd);
+  step1[9] = HIGHBD_WRAPLOW(step2[9] + step2[10], bd);
+  step1[10] = HIGHBD_WRAPLOW(step2[9] - step2[10], bd);
+  step1[11] = HIGHBD_WRAPLOW(step2[8] - step2[11], bd);
+  step1[12] = HIGHBD_WRAPLOW(-step2[12] + step2[15], bd);
+  step1[13] = HIGHBD_WRAPLOW(-step2[13] + step2[14], bd);
+  step1[14] = HIGHBD_WRAPLOW(step2[13] + step2[14], bd);
+  step1[15] = HIGHBD_WRAPLOW(step2[12] + step2[15], bd);
+
+  // stage 6
+  step2[0] = HIGHBD_WRAPLOW(step1[0] + step1[7], bd);
+  step2[1] = HIGHBD_WRAPLOW(step1[1] + step1[6], bd);
+  step2[2] = HIGHBD_WRAPLOW(step1[2] + step1[5], bd);
+  step2[3] = HIGHBD_WRAPLOW(step1[3] + step1[4], bd);
+  step2[4] = HIGHBD_WRAPLOW(step1[3] - step1[4], bd);
+  step2[5] = HIGHBD_WRAPLOW(step1[2] - step1[5], bd);
+  step2[6] = HIGHBD_WRAPLOW(step1[1] - step1[6], bd);
+  step2[7] = HIGHBD_WRAPLOW(step1[0] - step1[7], bd);
+  step2[8] = step1[8];
+  step2[9] = step1[9];
+  temp1 = (-step1[10] + step1[13]) * cospi_16_64;
+  temp2 = (step1[10] + step1[13]) * cospi_16_64;
+  step2[10] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[13] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = (-step1[11] + step1[12]) * cospi_16_64;
+  temp2 = (step1[11] + step1[12]) * cospi_16_64;
+  step2[11] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[12] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  step2[14] = step1[14];
+  step2[15] = step1[15];
+
+  // stage 7
+  output[0] = HIGHBD_WRAPLOW(step2[0] + step2[15], bd);
+  output[1] = HIGHBD_WRAPLOW(step2[1] + step2[14], bd);
+  output[2] = HIGHBD_WRAPLOW(step2[2] + step2[13], bd);
+  output[3] = HIGHBD_WRAPLOW(step2[3] + step2[12], bd);
+  output[4] = HIGHBD_WRAPLOW(step2[4] + step2[11], bd);
+  output[5] = HIGHBD_WRAPLOW(step2[5] + step2[10], bd);
+  output[6] = HIGHBD_WRAPLOW(step2[6] + step2[9], bd);
+  output[7] = HIGHBD_WRAPLOW(step2[7] + step2[8], bd);
+  output[8] = HIGHBD_WRAPLOW(step2[7] - step2[8], bd);
+  output[9] = HIGHBD_WRAPLOW(step2[6] - step2[9], bd);
+  output[10] = HIGHBD_WRAPLOW(step2[5] - step2[10], bd);
+  output[11] = HIGHBD_WRAPLOW(step2[4] - step2[11], bd);
+  output[12] = HIGHBD_WRAPLOW(step2[3] - step2[12], bd);
+  output[13] = HIGHBD_WRAPLOW(step2[2] - step2[13], bd);
+  output[14] = HIGHBD_WRAPLOW(step2[1] - step2[14], bd);
+  output[15] = HIGHBD_WRAPLOW(step2[0] - step2[15], bd);
+}
+
+void aom_highbd_iadst16_c(const tran_low_t *input, tran_low_t *output, int bd) {
+  tran_high_t s0, s1, s2, s3, s4, s5, s6, s7, s8;
+  tran_high_t s9, s10, s11, s12, s13, s14, s15;
+
+  tran_low_t x0 = input[15];
+  tran_low_t x1 = input[0];
+  tran_low_t x2 = input[13];
+  tran_low_t x3 = input[2];
+  tran_low_t x4 = input[11];
+  tran_low_t x5 = input[4];
+  tran_low_t x6 = input[9];
+  tran_low_t x7 = input[6];
+  tran_low_t x8 = input[7];
+  tran_low_t x9 = input[8];
+  tran_low_t x10 = input[5];
+  tran_low_t x11 = input[10];
+  tran_low_t x12 = input[3];
+  tran_low_t x13 = input[12];
+  tran_low_t x14 = input[1];
+  tran_low_t x15 = input[14];
+  (void)bd;
+
+  if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | x9 | x10 | x11 | x12 |
+        x13 | x14 | x15)) {
+    memset(output, 0, 16 * sizeof(*output));
+    return;
+  }
+
+  // stage 1
+  s0 = x0 * cospi_1_64 + x1 * cospi_31_64;
+  s1 = x0 * cospi_31_64 - x1 * cospi_1_64;
+  s2 = x2 * cospi_5_64 + x3 * cospi_27_64;
+  s3 = x2 * cospi_27_64 - x3 * cospi_5_64;
+  s4 = x4 * cospi_9_64 + x5 * cospi_23_64;
+  s5 = x4 * cospi_23_64 - x5 * cospi_9_64;
+  s6 = x6 * cospi_13_64 + x7 * cospi_19_64;
+  s7 = x6 * cospi_19_64 - x7 * cospi_13_64;
+  s8 = x8 * cospi_17_64 + x9 * cospi_15_64;
+  s9 = x8 * cospi_15_64 - x9 * cospi_17_64;
+  s10 = x10 * cospi_21_64 + x11 * cospi_11_64;
+  s11 = x10 * cospi_11_64 - x11 * cospi_21_64;
+  s12 = x12 * cospi_25_64 + x13 * cospi_7_64;
+  s13 = x12 * cospi_7_64 - x13 * cospi_25_64;
+  s14 = x14 * cospi_29_64 + x15 * cospi_3_64;
+  s15 = x14 * cospi_3_64 - x15 * cospi_29_64;
+
+  x0 = HIGHBD_WRAPLOW(dct_const_round_shift(s0 + s8), bd);
+  x1 = HIGHBD_WRAPLOW(dct_const_round_shift(s1 + s9), bd);
+  x2 = HIGHBD_WRAPLOW(dct_const_round_shift(s2 + s10), bd);
+  x3 = HIGHBD_WRAPLOW(dct_const_round_shift(s3 + s11), bd);
+  x4 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 + s12), bd);
+  x5 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 + s13), bd);
+  x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s6 + s14), bd);
+  x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s7 + s15), bd);
+  x8 = HIGHBD_WRAPLOW(dct_const_round_shift(s0 - s8), bd);
+  x9 = HIGHBD_WRAPLOW(dct_const_round_shift(s1 - s9), bd);
+  x10 = HIGHBD_WRAPLOW(dct_const_round_shift(s2 - s10), bd);
+  x11 = HIGHBD_WRAPLOW(dct_const_round_shift(s3 - s11), bd);
+  x12 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 - s12), bd);
+  x13 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 - s13), bd);
+  x14 = HIGHBD_WRAPLOW(dct_const_round_shift(s6 - s14), bd);
+  x15 = HIGHBD_WRAPLOW(dct_const_round_shift(s7 - s15), bd);
+
+  // stage 2
+  s0 = x0;
+  s1 = x1;
+  s2 = x2;
+  s3 = x3;
+  s4 = x4;
+  s5 = x5;
+  s6 = x6;
+  s7 = x7;
+  s8 = x8 * cospi_4_64 + x9 * cospi_28_64;
+  s9 = x8 * cospi_28_64 - x9 * cospi_4_64;
+  s10 = x10 * cospi_20_64 + x11 * cospi_12_64;
+  s11 = x10 * cospi_12_64 - x11 * cospi_20_64;
+  s12 = -x12 * cospi_28_64 + x13 * cospi_4_64;
+  s13 = x12 * cospi_4_64 + x13 * cospi_28_64;
+  s14 = -x14 * cospi_12_64 + x15 * cospi_20_64;
+  s15 = x14 * cospi_20_64 + x15 * cospi_12_64;
+
+  x0 = HIGHBD_WRAPLOW(s0 + s4, bd);
+  x1 = HIGHBD_WRAPLOW(s1 + s5, bd);
+  x2 = HIGHBD_WRAPLOW(s2 + s6, bd);
+  x3 = HIGHBD_WRAPLOW(s3 + s7, bd);
+  x4 = HIGHBD_WRAPLOW(s0 - s4, bd);
+  x5 = HIGHBD_WRAPLOW(s1 - s5, bd);
+  x6 = HIGHBD_WRAPLOW(s2 - s6, bd);
+  x7 = HIGHBD_WRAPLOW(s3 - s7, bd);
+  x8 = HIGHBD_WRAPLOW(dct_const_round_shift(s8 + s12), bd);
+  x9 = HIGHBD_WRAPLOW(dct_const_round_shift(s9 + s13), bd);
+  x10 = HIGHBD_WRAPLOW(dct_const_round_shift(s10 + s14), bd);
+  x11 = HIGHBD_WRAPLOW(dct_const_round_shift(s11 + s15), bd);
+  x12 = HIGHBD_WRAPLOW(dct_const_round_shift(s8 - s12), bd);
+  x13 = HIGHBD_WRAPLOW(dct_const_round_shift(s9 - s13), bd);
+  x14 = HIGHBD_WRAPLOW(dct_const_round_shift(s10 - s14), bd);
+  x15 = HIGHBD_WRAPLOW(dct_const_round_shift(s11 - s15), bd);
+
+  // stage 3
+  s0 = x0;
+  s1 = x1;
+  s2 = x2;
+  s3 = x3;
+  s4 = x4 * cospi_8_64 + x5 * cospi_24_64;
+  s5 = x4 * cospi_24_64 - x5 * cospi_8_64;
+  s6 = -x6 * cospi_24_64 + x7 * cospi_8_64;
+  s7 = x6 * cospi_8_64 + x7 * cospi_24_64;
+  s8 = x8;
+  s9 = x9;
+  s10 = x10;
+  s11 = x11;
+  s12 = x12 * cospi_8_64 + x13 * cospi_24_64;
+  s13 = x12 * cospi_24_64 - x13 * cospi_8_64;
+  s14 = -x14 * cospi_24_64 + x15 * cospi_8_64;
+  s15 = x14 * cospi_8_64 + x15 * cospi_24_64;
+
+  x0 = HIGHBD_WRAPLOW(s0 + s2, bd);
+  x1 = HIGHBD_WRAPLOW(s1 + s3, bd);
+  x2 = HIGHBD_WRAPLOW(s0 - s2, bd);
+  x3 = HIGHBD_WRAPLOW(s1 - s3, bd);
+  x4 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 + s6), bd);
+  x5 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 + s7), bd);
+  x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s4 - s6), bd);
+  x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s5 - s7), bd);
+  x8 = HIGHBD_WRAPLOW(s8 + s10, bd);
+  x9 = HIGHBD_WRAPLOW(s9 + s11, bd);
+  x10 = HIGHBD_WRAPLOW(s8 - s10, bd);
+  x11 = HIGHBD_WRAPLOW(s9 - s11, bd);
+  x12 = HIGHBD_WRAPLOW(dct_const_round_shift(s12 + s14), bd);
+  x13 = HIGHBD_WRAPLOW(dct_const_round_shift(s13 + s15), bd);
+  x14 = HIGHBD_WRAPLOW(dct_const_round_shift(s12 - s14), bd);
+  x15 = HIGHBD_WRAPLOW(dct_const_round_shift(s13 - s15), bd);
+
+  // stage 4
+  s2 = (-cospi_16_64) * (x2 + x3);
+  s3 = cospi_16_64 * (x2 - x3);
+  s6 = cospi_16_64 * (x6 + x7);
+  s7 = cospi_16_64 * (-x6 + x7);
+  s10 = cospi_16_64 * (x10 + x11);
+  s11 = cospi_16_64 * (-x10 + x11);
+  s14 = (-cospi_16_64) * (x14 + x15);
+  s15 = cospi_16_64 * (x14 - x15);
+
+  x2 = HIGHBD_WRAPLOW(dct_const_round_shift(s2), bd);
+  x3 = HIGHBD_WRAPLOW(dct_const_round_shift(s3), bd);
+  x6 = HIGHBD_WRAPLOW(dct_const_round_shift(s6), bd);
+  x7 = HIGHBD_WRAPLOW(dct_const_round_shift(s7), bd);
+  x10 = HIGHBD_WRAPLOW(dct_const_round_shift(s10), bd);
+  x11 = HIGHBD_WRAPLOW(dct_const_round_shift(s11), bd);
+  x14 = HIGHBD_WRAPLOW(dct_const_round_shift(s14), bd);
+  x15 = HIGHBD_WRAPLOW(dct_const_round_shift(s15), bd);
+
+  output[0] = HIGHBD_WRAPLOW(x0, bd);
+  output[1] = HIGHBD_WRAPLOW(-x8, bd);
+  output[2] = HIGHBD_WRAPLOW(x12, bd);
+  output[3] = HIGHBD_WRAPLOW(-x4, bd);
+  output[4] = HIGHBD_WRAPLOW(x6, bd);
+  output[5] = HIGHBD_WRAPLOW(x14, bd);
+  output[6] = HIGHBD_WRAPLOW(x10, bd);
+  output[7] = HIGHBD_WRAPLOW(x2, bd);
+  output[8] = HIGHBD_WRAPLOW(x3, bd);
+  output[9] = HIGHBD_WRAPLOW(x11, bd);
+  output[10] = HIGHBD_WRAPLOW(x15, bd);
+  output[11] = HIGHBD_WRAPLOW(x7, bd);
+  output[12] = HIGHBD_WRAPLOW(x5, bd);
+  output[13] = HIGHBD_WRAPLOW(-x13, bd);
+  output[14] = HIGHBD_WRAPLOW(x9, bd);
+  output[15] = HIGHBD_WRAPLOW(-x1, bd);
+}
+
+void aom_highbd_idct32_c(const tran_low_t *input, tran_low_t *output, int bd) {
+  tran_low_t step1[32], step2[32];
+  tran_high_t temp1, temp2;
+  (void)bd;
+
+  // stage 1
+  step1[0] = input[0];
+  step1[1] = input[16];
+  step1[2] = input[8];
+  step1[3] = input[24];
+  step1[4] = input[4];
+  step1[5] = input[20];
+  step1[6] = input[12];
+  step1[7] = input[28];
+  step1[8] = input[2];
+  step1[9] = input[18];
+  step1[10] = input[10];
+  step1[11] = input[26];
+  step1[12] = input[6];
+  step1[13] = input[22];
+  step1[14] = input[14];
+  step1[15] = input[30];
+
+  temp1 = input[1] * cospi_31_64 - input[31] * cospi_1_64;
+  temp2 = input[1] * cospi_1_64 + input[31] * cospi_31_64;
+  step1[16] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[31] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  temp1 = input[17] * cospi_15_64 - input[15] * cospi_17_64;
+  temp2 = input[17] * cospi_17_64 + input[15] * cospi_15_64;
+  step1[17] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[30] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  temp1 = input[9] * cospi_23_64 - input[23] * cospi_9_64;
+  temp2 = input[9] * cospi_9_64 + input[23] * cospi_23_64;
+  step1[18] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[29] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  temp1 = input[25] * cospi_7_64 - input[7] * cospi_25_64;
+  temp2 = input[25] * cospi_25_64 + input[7] * cospi_7_64;
+  step1[19] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[28] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  temp1 = input[5] * cospi_27_64 - input[27] * cospi_5_64;
+  temp2 = input[5] * cospi_5_64 + input[27] * cospi_27_64;
+  step1[20] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[27] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  temp1 = input[21] * cospi_11_64 - input[11] * cospi_21_64;
+  temp2 = input[21] * cospi_21_64 + input[11] * cospi_11_64;
+  step1[21] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[26] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  temp1 = input[13] * cospi_19_64 - input[19] * cospi_13_64;
+  temp2 = input[13] * cospi_13_64 + input[19] * cospi_19_64;
+  step1[22] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[25] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  temp1 = input[29] * cospi_3_64 - input[3] * cospi_29_64;
+  temp2 = input[29] * cospi_29_64 + input[3] * cospi_3_64;
+  step1[23] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[24] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  // stage 2
+  step2[0] = step1[0];
+  step2[1] = step1[1];
+  step2[2] = step1[2];
+  step2[3] = step1[3];
+  step2[4] = step1[4];
+  step2[5] = step1[5];
+  step2[6] = step1[6];
+  step2[7] = step1[7];
+
+  temp1 = step1[8] * cospi_30_64 - step1[15] * cospi_2_64;
+  temp2 = step1[8] * cospi_2_64 + step1[15] * cospi_30_64;
+  step2[8] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[15] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  temp1 = step1[9] * cospi_14_64 - step1[14] * cospi_18_64;
+  temp2 = step1[9] * cospi_18_64 + step1[14] * cospi_14_64;
+  step2[9] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[14] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  temp1 = step1[10] * cospi_22_64 - step1[13] * cospi_10_64;
+  temp2 = step1[10] * cospi_10_64 + step1[13] * cospi_22_64;
+  step2[10] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[13] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  temp1 = step1[11] * cospi_6_64 - step1[12] * cospi_26_64;
+  temp2 = step1[11] * cospi_26_64 + step1[12] * cospi_6_64;
+  step2[11] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[12] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  step2[16] = HIGHBD_WRAPLOW(step1[16] + step1[17], bd);
+  step2[17] = HIGHBD_WRAPLOW(step1[16] - step1[17], bd);
+  step2[18] = HIGHBD_WRAPLOW(-step1[18] + step1[19], bd);
+  step2[19] = HIGHBD_WRAPLOW(step1[18] + step1[19], bd);
+  step2[20] = HIGHBD_WRAPLOW(step1[20] + step1[21], bd);
+  step2[21] = HIGHBD_WRAPLOW(step1[20] - step1[21], bd);
+  step2[22] = HIGHBD_WRAPLOW(-step1[22] + step1[23], bd);
+  step2[23] = HIGHBD_WRAPLOW(step1[22] + step1[23], bd);
+  step2[24] = HIGHBD_WRAPLOW(step1[24] + step1[25], bd);
+  step2[25] = HIGHBD_WRAPLOW(step1[24] - step1[25], bd);
+  step2[26] = HIGHBD_WRAPLOW(-step1[26] + step1[27], bd);
+  step2[27] = HIGHBD_WRAPLOW(step1[26] + step1[27], bd);
+  step2[28] = HIGHBD_WRAPLOW(step1[28] + step1[29], bd);
+  step2[29] = HIGHBD_WRAPLOW(step1[28] - step1[29], bd);
+  step2[30] = HIGHBD_WRAPLOW(-step1[30] + step1[31], bd);
+  step2[31] = HIGHBD_WRAPLOW(step1[30] + step1[31], bd);
+
+  // stage 3
+  step1[0] = step2[0];
+  step1[1] = step2[1];
+  step1[2] = step2[2];
+  step1[3] = step2[3];
+
+  temp1 = step2[4] * cospi_28_64 - step2[7] * cospi_4_64;
+  temp2 = step2[4] * cospi_4_64 + step2[7] * cospi_28_64;
+  step1[4] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[7] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = step2[5] * cospi_12_64 - step2[6] * cospi_20_64;
+  temp2 = step2[5] * cospi_20_64 + step2[6] * cospi_12_64;
+  step1[5] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[6] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+
+  step1[8] = HIGHBD_WRAPLOW(step2[8] + step2[9], bd);
+  step1[9] = HIGHBD_WRAPLOW(step2[8] - step2[9], bd);
+  step1[10] = HIGHBD_WRAPLOW(-step2[10] + step2[11], bd);
+  step1[11] = HIGHBD_WRAPLOW(step2[10] + step2[11], bd);
+  step1[12] = HIGHBD_WRAPLOW(step2[12] + step2[13], bd);
+  step1[13] = HIGHBD_WRAPLOW(step2[12] - step2[13], bd);
+  step1[14] = HIGHBD_WRAPLOW(-step2[14] + step2[15], bd);
+  step1[15] = HIGHBD_WRAPLOW(step2[14] + step2[15], bd);
+
+  step1[16] = step2[16];
+  step1[31] = step2[31];
+  temp1 = -step2[17] * cospi_4_64 + step2[30] * cospi_28_64;
+  temp2 = step2[17] * cospi_28_64 + step2[30] * cospi_4_64;
+  step1[17] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[30] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = -step2[18] * cospi_28_64 - step2[29] * cospi_4_64;
+  temp2 = -step2[18] * cospi_4_64 + step2[29] * cospi_28_64;
+  step1[18] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[29] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  step1[19] = step2[19];
+  step1[20] = step2[20];
+  temp1 = -step2[21] * cospi_20_64 + step2[26] * cospi_12_64;
+  temp2 = step2[21] * cospi_12_64 + step2[26] * cospi_20_64;
+  step1[21] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[26] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = -step2[22] * cospi_12_64 - step2[25] * cospi_20_64;
+  temp2 = -step2[22] * cospi_20_64 + step2[25] * cospi_12_64;
+  step1[22] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[25] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  step1[23] = step2[23];
+  step1[24] = step2[24];
+  step1[27] = step2[27];
+  step1[28] = step2[28];
+
+  // stage 4
+  temp1 = (step1[0] + step1[1]) * cospi_16_64;
+  temp2 = (step1[0] - step1[1]) * cospi_16_64;
+  step2[0] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[1] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = step1[2] * cospi_24_64 - step1[3] * cospi_8_64;
+  temp2 = step1[2] * cospi_8_64 + step1[3] * cospi_24_64;
+  step2[2] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[3] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  step2[4] = HIGHBD_WRAPLOW(step1[4] + step1[5], bd);
+  step2[5] = HIGHBD_WRAPLOW(step1[4] - step1[5], bd);
+  step2[6] = HIGHBD_WRAPLOW(-step1[6] + step1[7], bd);
+  step2[7] = HIGHBD_WRAPLOW(step1[6] + step1[7], bd);
+
+  step2[8] = step1[8];
+  step2[15] = step1[15];
+  temp1 = -step1[9] * cospi_8_64 + step1[14] * cospi_24_64;
+  temp2 = step1[9] * cospi_24_64 + step1[14] * cospi_8_64;
+  step2[9] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[14] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = -step1[10] * cospi_24_64 - step1[13] * cospi_8_64;
+  temp2 = -step1[10] * cospi_8_64 + step1[13] * cospi_24_64;
+  step2[10] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[13] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  step2[11] = step1[11];
+  step2[12] = step1[12];
+
+  step2[16] = HIGHBD_WRAPLOW(step1[16] + step1[19], bd);
+  step2[17] = HIGHBD_WRAPLOW(step1[17] + step1[18], bd);
+  step2[18] = HIGHBD_WRAPLOW(step1[17] - step1[18], bd);
+  step2[19] = HIGHBD_WRAPLOW(step1[16] - step1[19], bd);
+  step2[20] = HIGHBD_WRAPLOW(-step1[20] + step1[23], bd);
+  step2[21] = HIGHBD_WRAPLOW(-step1[21] + step1[22], bd);
+  step2[22] = HIGHBD_WRAPLOW(step1[21] + step1[22], bd);
+  step2[23] = HIGHBD_WRAPLOW(step1[20] + step1[23], bd);
+
+  step2[24] = HIGHBD_WRAPLOW(step1[24] + step1[27], bd);
+  step2[25] = HIGHBD_WRAPLOW(step1[25] + step1[26], bd);
+  step2[26] = HIGHBD_WRAPLOW(step1[25] - step1[26], bd);
+  step2[27] = HIGHBD_WRAPLOW(step1[24] - step1[27], bd);
+  step2[28] = HIGHBD_WRAPLOW(-step1[28] + step1[31], bd);
+  step2[29] = HIGHBD_WRAPLOW(-step1[29] + step1[30], bd);
+  step2[30] = HIGHBD_WRAPLOW(step1[29] + step1[30], bd);
+  step2[31] = HIGHBD_WRAPLOW(step1[28] + step1[31], bd);
+
+  // stage 5
+  step1[0] = HIGHBD_WRAPLOW(step2[0] + step2[3], bd);
+  step1[1] = HIGHBD_WRAPLOW(step2[1] + step2[2], bd);
+  step1[2] = HIGHBD_WRAPLOW(step2[1] - step2[2], bd);
+  step1[3] = HIGHBD_WRAPLOW(step2[0] - step2[3], bd);
+  step1[4] = step2[4];
+  temp1 = (step2[6] - step2[5]) * cospi_16_64;
+  temp2 = (step2[5] + step2[6]) * cospi_16_64;
+  step1[5] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[6] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  step1[7] = step2[7];
+
+  step1[8] = HIGHBD_WRAPLOW(step2[8] + step2[11], bd);
+  step1[9] = HIGHBD_WRAPLOW(step2[9] + step2[10], bd);
+  step1[10] = HIGHBD_WRAPLOW(step2[9] - step2[10], bd);
+  step1[11] = HIGHBD_WRAPLOW(step2[8] - step2[11], bd);
+  step1[12] = HIGHBD_WRAPLOW(-step2[12] + step2[15], bd);
+  step1[13] = HIGHBD_WRAPLOW(-step2[13] + step2[14], bd);
+  step1[14] = HIGHBD_WRAPLOW(step2[13] + step2[14], bd);
+  step1[15] = HIGHBD_WRAPLOW(step2[12] + step2[15], bd);
+
+  step1[16] = step2[16];
+  step1[17] = step2[17];
+  temp1 = -step2[18] * cospi_8_64 + step2[29] * cospi_24_64;
+  temp2 = step2[18] * cospi_24_64 + step2[29] * cospi_8_64;
+  step1[18] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[29] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = -step2[19] * cospi_8_64 + step2[28] * cospi_24_64;
+  temp2 = step2[19] * cospi_24_64 + step2[28] * cospi_8_64;
+  step1[19] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[28] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = -step2[20] * cospi_24_64 - step2[27] * cospi_8_64;
+  temp2 = -step2[20] * cospi_8_64 + step2[27] * cospi_24_64;
+  step1[20] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[27] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = -step2[21] * cospi_24_64 - step2[26] * cospi_8_64;
+  temp2 = -step2[21] * cospi_8_64 + step2[26] * cospi_24_64;
+  step1[21] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[26] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  step1[22] = step2[22];
+  step1[23] = step2[23];
+  step1[24] = step2[24];
+  step1[25] = step2[25];
+  step1[30] = step2[30];
+  step1[31] = step2[31];
+
+  // stage 6
+  step2[0] = HIGHBD_WRAPLOW(step1[0] + step1[7], bd);
+  step2[1] = HIGHBD_WRAPLOW(step1[1] + step1[6], bd);
+  step2[2] = HIGHBD_WRAPLOW(step1[2] + step1[5], bd);
+  step2[3] = HIGHBD_WRAPLOW(step1[3] + step1[4], bd);
+  step2[4] = HIGHBD_WRAPLOW(step1[3] - step1[4], bd);
+  step2[5] = HIGHBD_WRAPLOW(step1[2] - step1[5], bd);
+  step2[6] = HIGHBD_WRAPLOW(step1[1] - step1[6], bd);
+  step2[7] = HIGHBD_WRAPLOW(step1[0] - step1[7], bd);
+  step2[8] = step1[8];
+  step2[9] = step1[9];
+  temp1 = (-step1[10] + step1[13]) * cospi_16_64;
+  temp2 = (step1[10] + step1[13]) * cospi_16_64;
+  step2[10] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[13] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = (-step1[11] + step1[12]) * cospi_16_64;
+  temp2 = (step1[11] + step1[12]) * cospi_16_64;
+  step2[11] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step2[12] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  step2[14] = step1[14];
+  step2[15] = step1[15];
+
+  step2[16] = HIGHBD_WRAPLOW(step1[16] + step1[23], bd);
+  step2[17] = HIGHBD_WRAPLOW(step1[17] + step1[22], bd);
+  step2[18] = HIGHBD_WRAPLOW(step1[18] + step1[21], bd);
+  step2[19] = HIGHBD_WRAPLOW(step1[19] + step1[20], bd);
+  step2[20] = HIGHBD_WRAPLOW(step1[19] - step1[20], bd);
+  step2[21] = HIGHBD_WRAPLOW(step1[18] - step1[21], bd);
+  step2[22] = HIGHBD_WRAPLOW(step1[17] - step1[22], bd);
+  step2[23] = HIGHBD_WRAPLOW(step1[16] - step1[23], bd);
+
+  step2[24] = HIGHBD_WRAPLOW(-step1[24] + step1[31], bd);
+  step2[25] = HIGHBD_WRAPLOW(-step1[25] + step1[30], bd);
+  step2[26] = HIGHBD_WRAPLOW(-step1[26] + step1[29], bd);
+  step2[27] = HIGHBD_WRAPLOW(-step1[27] + step1[28], bd);
+  step2[28] = HIGHBD_WRAPLOW(step1[27] + step1[28], bd);
+  step2[29] = HIGHBD_WRAPLOW(step1[26] + step1[29], bd);
+  step2[30] = HIGHBD_WRAPLOW(step1[25] + step1[30], bd);
+  step2[31] = HIGHBD_WRAPLOW(step1[24] + step1[31], bd);
+
+  // stage 7
+  step1[0] = HIGHBD_WRAPLOW(step2[0] + step2[15], bd);
+  step1[1] = HIGHBD_WRAPLOW(step2[1] + step2[14], bd);
+  step1[2] = HIGHBD_WRAPLOW(step2[2] + step2[13], bd);
+  step1[3] = HIGHBD_WRAPLOW(step2[3] + step2[12], bd);
+  step1[4] = HIGHBD_WRAPLOW(step2[4] + step2[11], bd);
+  step1[5] = HIGHBD_WRAPLOW(step2[5] + step2[10], bd);
+  step1[6] = HIGHBD_WRAPLOW(step2[6] + step2[9], bd);
+  step1[7] = HIGHBD_WRAPLOW(step2[7] + step2[8], bd);
+  step1[8] = HIGHBD_WRAPLOW(step2[7] - step2[8], bd);
+  step1[9] = HIGHBD_WRAPLOW(step2[6] - step2[9], bd);
+  step1[10] = HIGHBD_WRAPLOW(step2[5] - step2[10], bd);
+  step1[11] = HIGHBD_WRAPLOW(step2[4] - step2[11], bd);
+  step1[12] = HIGHBD_WRAPLOW(step2[3] - step2[12], bd);
+  step1[13] = HIGHBD_WRAPLOW(step2[2] - step2[13], bd);
+  step1[14] = HIGHBD_WRAPLOW(step2[1] - step2[14], bd);
+  step1[15] = HIGHBD_WRAPLOW(step2[0] - step2[15], bd);
+
+  step1[16] = step2[16];
+  step1[17] = step2[17];
+  step1[18] = step2[18];
+  step1[19] = step2[19];
+  temp1 = (-step2[20] + step2[27]) * cospi_16_64;
+  temp2 = (step2[20] + step2[27]) * cospi_16_64;
+  step1[20] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[27] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = (-step2[21] + step2[26]) * cospi_16_64;
+  temp2 = (step2[21] + step2[26]) * cospi_16_64;
+  step1[21] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[26] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = (-step2[22] + step2[25]) * cospi_16_64;
+  temp2 = (step2[22] + step2[25]) * cospi_16_64;
+  step1[22] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[25] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  temp1 = (-step2[23] + step2[24]) * cospi_16_64;
+  temp2 = (step2[23] + step2[24]) * cospi_16_64;
+  step1[23] = HIGHBD_WRAPLOW(dct_const_round_shift(temp1), bd);
+  step1[24] = HIGHBD_WRAPLOW(dct_const_round_shift(temp2), bd);
+  step1[28] = step2[28];
+  step1[29] = step2[29];
+  step1[30] = step2[30];
+  step1[31] = step2[31];
+
+  // final stage
+  output[0] = HIGHBD_WRAPLOW(step1[0] + step1[31], bd);
+  output[1] = HIGHBD_WRAPLOW(step1[1] + step1[30], bd);
+  output[2] = HIGHBD_WRAPLOW(step1[2] + step1[29], bd);
+  output[3] = HIGHBD_WRAPLOW(step1[3] + step1[28], bd);
+  output[4] = HIGHBD_WRAPLOW(step1[4] + step1[27], bd);
+  output[5] = HIGHBD_WRAPLOW(step1[5] + step1[26], bd);
+  output[6] = HIGHBD_WRAPLOW(step1[6] + step1[25], bd);
+  output[7] = HIGHBD_WRAPLOW(step1[7] + step1[24], bd);
+  output[8] = HIGHBD_WRAPLOW(step1[8] + step1[23], bd);
+  output[9] = HIGHBD_WRAPLOW(step1[9] + step1[22], bd);
+  output[10] = HIGHBD_WRAPLOW(step1[10] + step1[21], bd);
+  output[11] = HIGHBD_WRAPLOW(step1[11] + step1[20], bd);
+  output[12] = HIGHBD_WRAPLOW(step1[12] + step1[19], bd);
+  output[13] = HIGHBD_WRAPLOW(step1[13] + step1[18], bd);
+  output[14] = HIGHBD_WRAPLOW(step1[14] + step1[17], bd);
+  output[15] = HIGHBD_WRAPLOW(step1[15] + step1[16], bd);
+  output[16] = HIGHBD_WRAPLOW(step1[15] - step1[16], bd);
+  output[17] = HIGHBD_WRAPLOW(step1[14] - step1[17], bd);
+  output[18] = HIGHBD_WRAPLOW(step1[13] - step1[18], bd);
+  output[19] = HIGHBD_WRAPLOW(step1[12] - step1[19], bd);
+  output[20] = HIGHBD_WRAPLOW(step1[11] - step1[20], bd);
+  output[21] = HIGHBD_WRAPLOW(step1[10] - step1[21], bd);
+  output[22] = HIGHBD_WRAPLOW(step1[9] - step1[22], bd);
+  output[23] = HIGHBD_WRAPLOW(step1[8] - step1[23], bd);
+  output[24] = HIGHBD_WRAPLOW(step1[7] - step1[24], bd);
+  output[25] = HIGHBD_WRAPLOW(step1[6] - step1[25], bd);
+  output[26] = HIGHBD_WRAPLOW(step1[5] - step1[26], bd);
+  output[27] = HIGHBD_WRAPLOW(step1[4] - step1[27], bd);
+  output[28] = HIGHBD_WRAPLOW(step1[3] - step1[28], bd);
+  output[29] = HIGHBD_WRAPLOW(step1[2] - step1[29], bd);
+  output[30] = HIGHBD_WRAPLOW(step1[1] - step1[30], bd);
+  output[31] = HIGHBD_WRAPLOW(step1[0] - step1[31], bd);
+}
+
 #endif  // CONFIG_HIGHBITDEPTH