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
19static 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
32static 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
62static 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
76static 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