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      1 /*
      2  *  Copyright (c) 2017 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_
     12 #define VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_
     13 
     14 #include <smmintrin.h>  // SSE4.1
     15 
     16 #include "./vpx_config.h"
     17 #include "vpx_dsp/x86/highbd_inv_txfm_sse2.h"
     18 
     19 static INLINE __m128i multiplication_round_shift_sse4_1(
     20     const __m128i *const in /*in[2]*/, const int c) {
     21   const __m128i pair_c = pair_set_epi32(c * 4, 0);
     22   __m128i t0, t1;
     23 
     24   t0 = _mm_mul_epi32(in[0], pair_c);
     25   t1 = _mm_mul_epi32(in[1], pair_c);
     26   t0 = dct_const_round_shift_64bit(t0);
     27   t1 = dct_const_round_shift_64bit(t1);
     28 
     29   return pack_4(t0, t1);
     30 }
     31 
     32 static INLINE void highbd_butterfly_sse4_1(const __m128i in0, const __m128i in1,
     33                                            const int c0, const int c1,
     34                                            __m128i *const out0,
     35                                            __m128i *const out1) {
     36   const __m128i pair_c0 = pair_set_epi32(4 * c0, 0);
     37   const __m128i pair_c1 = pair_set_epi32(4 * c1, 0);
     38   __m128i temp1[4], temp2[4];
     39 
     40   extend_64bit(in0, temp1);
     41   extend_64bit(in1, temp2);
     42   temp1[2] = _mm_mul_epi32(temp1[0], pair_c1);
     43   temp1[3] = _mm_mul_epi32(temp1[1], pair_c1);
     44   temp1[0] = _mm_mul_epi32(temp1[0], pair_c0);
     45   temp1[1] = _mm_mul_epi32(temp1[1], pair_c0);
     46   temp2[2] = _mm_mul_epi32(temp2[0], pair_c0);
     47   temp2[3] = _mm_mul_epi32(temp2[1], pair_c0);
     48   temp2[0] = _mm_mul_epi32(temp2[0], pair_c1);
     49   temp2[1] = _mm_mul_epi32(temp2[1], pair_c1);
     50   temp1[0] = _mm_sub_epi64(temp1[0], temp2[0]);
     51   temp1[1] = _mm_sub_epi64(temp1[1], temp2[1]);
     52   temp2[0] = _mm_add_epi64(temp1[2], temp2[2]);
     53   temp2[1] = _mm_add_epi64(temp1[3], temp2[3]);
     54   temp1[0] = dct_const_round_shift_64bit(temp1[0]);
     55   temp1[1] = dct_const_round_shift_64bit(temp1[1]);
     56   temp2[0] = dct_const_round_shift_64bit(temp2[0]);
     57   temp2[1] = dct_const_round_shift_64bit(temp2[1]);
     58   *out0 = pack_4(temp1[0], temp1[1]);
     59   *out1 = pack_4(temp2[0], temp2[1]);
     60 }
     61 
     62 static INLINE void highbd_butterfly_cospi16_sse4_1(const __m128i in0,
     63                                                    const __m128i in1,
     64                                                    __m128i *const out0,
     65                                                    __m128i *const out1) {
     66   __m128i temp1[2], temp2;
     67 
     68   temp2 = _mm_add_epi32(in0, in1);
     69   extend_64bit(temp2, temp1);
     70   *out0 = multiplication_round_shift_sse4_1(temp1, cospi_16_64);
     71   temp2 = _mm_sub_epi32(in0, in1);
     72   extend_64bit(temp2, temp1);
     73   *out1 = multiplication_round_shift_sse4_1(temp1, cospi_16_64);
     74 }
     75 
     76 static INLINE void highbd_partial_butterfly_sse4_1(const __m128i in,
     77                                                    const int c0, const int c1,
     78                                                    __m128i *const out0,
     79                                                    __m128i *const out1) {
     80   __m128i temp[2];
     81 
     82   extend_64bit(in, temp);
     83   *out0 = multiplication_round_shift_sse4_1(temp, c0);
     84   *out1 = multiplication_round_shift_sse4_1(temp, c1);
     85 }
     86 
     87 #endif  // VPX_DSP_X86_HIGHBD_INV_TXFM_SSE4_H_
     88