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/*
* 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 <smmintrin.h> // SSE4.1
#include "./vpx_dsp_rtcd.h"
#include "vpx_dsp/x86/highbd_inv_txfm_sse2.h"
#include "vpx_dsp/x86/highbd_inv_txfm_sse4.h"
#include "vpx_dsp/x86/inv_txfm_sse2.h"
#include "vpx_dsp/x86/transpose_sse2.h"
void vpx_highbd_idct4x4_16_add_sse4_1(const tran_low_t *input, uint16_t *dest,
int stride, int bd) {
__m128i io[4];
io[0] = _mm_load_si128((const __m128i *)(input + 0));
io[1] = _mm_load_si128((const __m128i *)(input + 4));
io[2] = _mm_load_si128((const __m128i *)(input + 8));
io[3] = _mm_load_si128((const __m128i *)(input + 12));
if (bd == 8) {
__m128i io_short[2];
io_short[0] = _mm_packs_epi32(io[0], io[1]);
io_short[1] = _mm_packs_epi32(io[2], io[3]);
idct4_sse2(io_short);
idct4_sse2(io_short);
io_short[0] = _mm_add_epi16(io_short[0], _mm_set1_epi16(8));
io_short[1] = _mm_add_epi16(io_short[1], _mm_set1_epi16(8));
io[0] = _mm_srai_epi16(io_short[0], 4);
io[1] = _mm_srai_epi16(io_short[1], 4);
} else {
highbd_idct4_sse4_1(io);
highbd_idct4_sse4_1(io);
io[0] = wraplow_16bit_shift4(io[0], io[1], _mm_set1_epi32(8));
io[1] = wraplow_16bit_shift4(io[2], io[3], _mm_set1_epi32(8));
}
recon_and_store_4x4(io, dest, stride, bd);
}
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