ref: 666e394d41c68e9a57866fc3bd70e54b36d43ab4
dir: /vpx_dsp/x86/highbd_inv_txfm_sse4.h/
/*
* 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.
*/
#ifndef VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_
#define VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_
#include <smmintrin.h> // SSE4.1
#include "./vpx_config.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/inv_txfm.h"
#include "vpx_dsp/x86/txfm_common_sse2.h"
static INLINE __m128i multiplication_round_shift(const __m128i *const in,
const __m128i cospi) {
__m128i t0, t1;
t0 = _mm_mul_epi32(in[0], cospi);
t1 = _mm_mul_epi32(in[1], cospi);
t0 = dct_const_round_shift_64bit(t0);
t1 = dct_const_round_shift_64bit(t1);
return pack_4(t0, t1);
}
static INLINE void multiplication_and_add_2_ssse4_1(const __m128i *const in0,
const __m128i *const in1,
const __m128i *const cst0,
const __m128i *const cst1,
__m128i *const out0,
__m128i *const out1) {
__m128i temp1[4], temp2[4];
extend_64bit(*in0, temp1);
extend_64bit(*in1, temp2);
temp1[2] = _mm_mul_epi32(temp1[0], *cst1);
temp1[3] = _mm_mul_epi32(temp1[1], *cst1);
temp1[0] = _mm_mul_epi32(temp1[0], *cst0);
temp1[1] = _mm_mul_epi32(temp1[1], *cst0);
temp2[2] = _mm_mul_epi32(temp2[0], *cst0);
temp2[3] = _mm_mul_epi32(temp2[1], *cst0);
temp2[0] = _mm_mul_epi32(temp2[0], *cst1);
temp2[1] = _mm_mul_epi32(temp2[1], *cst1);
temp1[0] = _mm_sub_epi64(temp1[0], temp2[0]);
temp1[1] = _mm_sub_epi64(temp1[1], temp2[1]);
temp2[0] = _mm_add_epi64(temp1[2], temp2[2]);
temp2[1] = _mm_add_epi64(temp1[3], temp2[3]);
temp1[0] = dct_const_round_shift_64bit(temp1[0]);
temp1[1] = dct_const_round_shift_64bit(temp1[1]);
temp2[0] = dct_const_round_shift_64bit(temp2[0]);
temp2[1] = dct_const_round_shift_64bit(temp2[1]);
*out0 = pack_4(temp1[0], temp1[1]);
*out1 = pack_4(temp2[0], temp2[1]);
}
#endif // VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_