211 lines
7.1 KiB
C
211 lines
7.1 KiB
C
/*
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* Copyright (c) 2017 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <smmintrin.h> // SSE4.1
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#include "./vpx_dsp_rtcd.h"
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#include "vpx_dsp/x86/highbd_inv_txfm_sse2.h"
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#include "vpx_dsp/x86/highbd_inv_txfm_sse4.h"
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#include "vpx_dsp/x86/inv_txfm_sse2.h"
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#include "vpx_dsp/x86/inv_txfm_ssse3.h"
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#include "vpx_dsp/x86/transpose_sse2.h"
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static void highbd_idct8x8_half1d(__m128i *const io) {
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__m128i step1[8], step2[8];
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transpose_32bit_4x4x2(io, io);
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// stage 1
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step1[0] = io[0];
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step1[2] = io[4];
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step1[1] = io[2];
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step1[3] = io[6];
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highbd_butterfly_sse4_1(io[1], io[7], cospi_28_64, cospi_4_64, &step1[4],
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&step1[7]);
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highbd_butterfly_sse4_1(io[5], io[3], cospi_12_64, cospi_20_64, &step1[5],
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&step1[6]);
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// stage 2
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highbd_butterfly_cospi16_sse4_1(step1[0], step1[2], &step2[0], &step2[1]);
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highbd_butterfly_sse4_1(step1[1], step1[3], cospi_24_64, cospi_8_64,
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&step2[2], &step2[3]);
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step2[4] = _mm_add_epi32(step1[4], step1[5]);
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step2[5] = _mm_sub_epi32(step1[4], step1[5]);
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step2[6] = _mm_sub_epi32(step1[7], step1[6]);
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step2[7] = _mm_add_epi32(step1[7], step1[6]);
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// stage 3
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step1[0] = _mm_add_epi32(step2[0], step2[3]);
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step1[1] = _mm_add_epi32(step2[1], step2[2]);
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step1[2] = _mm_sub_epi32(step2[1], step2[2]);
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step1[3] = _mm_sub_epi32(step2[0], step2[3]);
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step1[4] = step2[4];
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highbd_butterfly_cospi16_sse4_1(step2[6], step2[5], &step1[6], &step1[5]);
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step1[7] = step2[7];
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// stage 4
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highbd_idct8_stage4(step1, io);
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}
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static void highbd_idct8x8_12_half1d(__m128i *const io) {
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__m128i temp1[2], step1[8], step2[8];
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transpose_32bit_4x4(io, io);
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// stage 1
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step1[0] = io[0];
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step1[1] = io[2];
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extend_64bit(io[1], temp1);
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step1[4] = multiplication_round_shift_sse4_1(temp1, cospi_28_64);
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step1[7] = multiplication_round_shift_sse4_1(temp1, cospi_4_64);
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extend_64bit(io[3], temp1);
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step1[5] = multiplication_round_shift_sse4_1(temp1, -cospi_20_64);
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step1[6] = multiplication_round_shift_sse4_1(temp1, cospi_12_64);
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// stage 2
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extend_64bit(step1[0], temp1);
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step2[0] = multiplication_round_shift_sse4_1(temp1, cospi_16_64);
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extend_64bit(step1[1], temp1);
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step2[2] = multiplication_round_shift_sse4_1(temp1, cospi_24_64);
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step2[3] = multiplication_round_shift_sse4_1(temp1, cospi_8_64);
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step2[4] = _mm_add_epi32(step1[4], step1[5]);
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step2[5] = _mm_sub_epi32(step1[4], step1[5]);
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step2[6] = _mm_sub_epi32(step1[7], step1[6]);
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step2[7] = _mm_add_epi32(step1[7], step1[6]);
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// stage 3
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step1[0] = _mm_add_epi32(step2[0], step2[3]);
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step1[1] = _mm_add_epi32(step2[0], step2[2]);
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step1[2] = _mm_sub_epi32(step2[0], step2[2]);
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step1[3] = _mm_sub_epi32(step2[0], step2[3]);
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step1[4] = step2[4];
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highbd_butterfly_cospi16_sse4_1(step2[6], step2[5], &step1[6], &step1[5]);
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step1[7] = step2[7];
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// stage 4
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highbd_idct8_stage4(step1, io);
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}
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void vpx_highbd_idct8x8_64_add_sse4_1(const tran_low_t *input, uint16_t *dest,
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int stride, int bd) {
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__m128i io[16];
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io[0] = _mm_load_si128((const __m128i *)(input + 0 * 8 + 0));
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io[4] = _mm_load_si128((const __m128i *)(input + 0 * 8 + 4));
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io[1] = _mm_load_si128((const __m128i *)(input + 1 * 8 + 0));
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io[5] = _mm_load_si128((const __m128i *)(input + 1 * 8 + 4));
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io[2] = _mm_load_si128((const __m128i *)(input + 2 * 8 + 0));
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io[6] = _mm_load_si128((const __m128i *)(input + 2 * 8 + 4));
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io[3] = _mm_load_si128((const __m128i *)(input + 3 * 8 + 0));
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io[7] = _mm_load_si128((const __m128i *)(input + 3 * 8 + 4));
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if (bd == 8) {
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__m128i io_short[8];
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io_short[0] = _mm_packs_epi32(io[0], io[4]);
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io_short[1] = _mm_packs_epi32(io[1], io[5]);
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io_short[2] = _mm_packs_epi32(io[2], io[6]);
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io_short[3] = _mm_packs_epi32(io[3], io[7]);
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io[8] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 0));
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io[12] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 4));
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io[9] = _mm_load_si128((const __m128i *)(input + 5 * 8 + 0));
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io[13] = _mm_load_si128((const __m128i *)(input + 5 * 8 + 4));
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io[10] = _mm_load_si128((const __m128i *)(input + 6 * 8 + 0));
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io[14] = _mm_load_si128((const __m128i *)(input + 6 * 8 + 4));
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io[11] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 0));
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io[15] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 4));
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io_short[4] = _mm_packs_epi32(io[8], io[12]);
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io_short[5] = _mm_packs_epi32(io[9], io[13]);
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io_short[6] = _mm_packs_epi32(io[10], io[14]);
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io_short[7] = _mm_packs_epi32(io[11], io[15]);
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idct8_sse2(io_short);
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idct8_sse2(io_short);
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round_shift_8x8(io_short, io);
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} else {
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__m128i temp[4];
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highbd_idct8x8_half1d(io);
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io[8] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 0));
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io[12] = _mm_load_si128((const __m128i *)(input + 4 * 8 + 4));
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io[9] = _mm_load_si128((const __m128i *)(input + 5 * 8 + 0));
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io[13] = _mm_load_si128((const __m128i *)(input + 5 * 8 + 4));
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io[10] = _mm_load_si128((const __m128i *)(input + 6 * 8 + 0));
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io[14] = _mm_load_si128((const __m128i *)(input + 6 * 8 + 4));
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io[11] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 0));
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io[15] = _mm_load_si128((const __m128i *)(input + 7 * 8 + 4));
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highbd_idct8x8_half1d(&io[8]);
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temp[0] = io[4];
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temp[1] = io[5];
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temp[2] = io[6];
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temp[3] = io[7];
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io[4] = io[8];
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io[5] = io[9];
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io[6] = io[10];
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io[7] = io[11];
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highbd_idct8x8_half1d(io);
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io[8] = temp[0];
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io[9] = temp[1];
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io[10] = temp[2];
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io[11] = temp[3];
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highbd_idct8x8_half1d(&io[8]);
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highbd_idct8x8_final_round(io);
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}
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recon_and_store_8x8(io, dest, stride, bd);
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}
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void vpx_highbd_idct8x8_12_add_sse4_1(const tran_low_t *input, uint16_t *dest,
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int stride, int bd) {
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const __m128i zero = _mm_setzero_si128();
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__m128i io[16];
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io[0] = _mm_load_si128((const __m128i *)(input + 0 * 8 + 0));
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io[1] = _mm_load_si128((const __m128i *)(input + 1 * 8 + 0));
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io[2] = _mm_load_si128((const __m128i *)(input + 2 * 8 + 0));
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io[3] = _mm_load_si128((const __m128i *)(input + 3 * 8 + 0));
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if (bd == 8) {
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__m128i io_short[8];
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io_short[0] = _mm_packs_epi32(io[0], zero);
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io_short[1] = _mm_packs_epi32(io[1], zero);
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io_short[2] = _mm_packs_epi32(io[2], zero);
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io_short[3] = _mm_packs_epi32(io[3], zero);
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idct8x8_12_add_kernel_ssse3(io_short);
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round_shift_8x8(io_short, io);
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} else {
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__m128i temp[4];
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highbd_idct8x8_12_half1d(io);
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temp[0] = io[4];
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temp[1] = io[5];
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temp[2] = io[6];
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temp[3] = io[7];
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highbd_idct8x8_12_half1d(io);
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io[8] = temp[0];
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io[9] = temp[1];
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io[10] = temp[2];
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io[11] = temp[3];
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highbd_idct8x8_12_half1d(&io[8]);
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highbd_idct8x8_final_round(io);
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}
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recon_and_store_8x8(io, dest, stride, bd);
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}
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