OpenCV 4.5.3(日本語機械翻訳)
intrin_sse_em.hpp
1 // This file is part of OpenCV project.
2 // It is subject to the license terms in the LICENSE file found in the top-level directory
3 // of this distribution and at http://opencv.org/license.html
4
5 #ifndef OPENCV_HAL_INTRIN_SSE_EM_HPP
6 #define OPENCV_HAL_INTRIN_SSE_EM_HPP
7
8 namespace cv
9{
10
12
13CV_CPU_OPTIMIZATION_HAL_NAMESPACE_BEGIN
14
15 #define OPENCV_HAL_SSE_WRAP_1(fun, tp) \
16 inline tp _v128_##fun(const tp& a) \
17 { return _mm_##fun(a); }
18
19 #define OPENCV_HAL_SSE_WRAP_2(fun, tp) \
20 inline tp _v128_##fun(const tp& a, const tp& b) \
21 { return _mm_##fun(a, b); }
22
23 #define OPENCV_HAL_SSE_WRAP_3(fun, tp) \
24 inline tp _v128_##fun(const tp& a, const tp& b, const tp& c) \
25 { return _mm_##fun(a, b, c); }
26
28
29 // [todo] define CV_XOP
30 #if 1 // CV_XOP
31 inline __m128i _v128_comgt_epu32(const __m128i& a, const __m128i& b)
32{
33 const __m128i delta = _mm_set1_epi32((int)0x80000000);
34 return _mm_cmpgt_epi32(_mm_xor_si128(a, delta), _mm_xor_si128(b, delta));
35}
36 // wrapping XOP
37 #else
38OPENCV_HAL_SSE_WRAP_2(_v128_comgt_epu32, __m128i)
39 #endif // !CV_XOP
40
42
43 #if !CV_SSE4_1
44
46 inline __m128i _v128_blendv_epi8(const __m128i& a, const __m128i& b, const __m128i& mask)
47{ return _mm_xor_si128(a, _mm_and_si128(_mm_xor_si128(b, a), mask)); }
48
50 // 8 >> 16
51 inline __m128i _v128_cvtepu8_epi16(const __m128i& a)
52{
53 const __m128i z = _mm_setzero_si128();
54 return _mm_unpacklo_epi8(a, z);
55}
56 inline __m128i _v128_cvtepi8_epi16(const __m128i& a)
57{ return _mm_srai_epi16(_mm_unpacklo_epi8(a, a), 8); }
58 // 8 >> 32
59 inline __m128i _v128_cvtepu8_epi32(const __m128i& a)
60{
61 const __m128i z = _mm_setzero_si128();
62 return _mm_unpacklo_epi16(_mm_unpacklo_epi8(a, z), z);
63}
64 inline __m128i _v128_cvtepi8_epi32(const __m128i& a)
65{
66 __m128i r = _mm_unpacklo_epi8(a, a);
67 r = _mm_unpacklo_epi8(r, r);
68 return _mm_srai_epi32(r, 24);
69}
70 // 16 >> 32
71 inline __m128i _v128_cvtepu16_epi32(const __m128i& a)
72{
73 const __m128i z = _mm_setzero_si128();
74 return _mm_unpacklo_epi16(a, z);
75}
76 inline __m128i _v128_cvtepi16_epi32(const __m128i& a)
77{ return _mm_srai_epi32(_mm_unpacklo_epi16(a, a), 16); }
78 // 32 >> 64
79 inline __m128i _v128_cvtepu32_epi64(const __m128i& a)
80{
81 const __m128i z = _mm_setzero_si128();
82 return _mm_unpacklo_epi32(a, z);
83}
84 inline __m128i _v128_cvtepi32_epi64(const __m128i& a)
85{ return _mm_unpacklo_epi32(a, _mm_srai_epi32(a, 31)); }
86
88 inline __m128i _v128_mullo_epi32(const __m128i& a, const __m128i& b)
89{
90 __m128i c0 = _mm_mul_epu32(a, b);
91 __m128i c1 = _mm_mul_epu32(_mm_srli_epi64(a, 32), _mm_srli_epi64(b, 32));
92 __m128i d0 = _mm_unpacklo_epi32(c0, c1);
93 __m128i d1 = _mm_unpackhi_epi32(c0, c1);
94 return _mm_unpacklo_epi64(d0, d1);
95}
96
98 inline __m128i _v128_min_epu32(const __m128i& a, const __m128i& b)
99{ return _v128_blendv_epi8(a, b, _v128_comgt_epu32(a, b)); }
100
101 // wrapping SSE4.1
102 #else
103OPENCV_HAL_SSE_WRAP_1(cvtepu8_epi16, __m128i)
104OPENCV_HAL_SSE_WRAP_1(cvtepi8_epi16, __m128i)
105OPENCV_HAL_SSE_WRAP_1(cvtepu8_epi32, __m128i)
106OPENCV_HAL_SSE_WRAP_1(cvtepi8_epi32, __m128i)
107OPENCV_HAL_SSE_WRAP_1(cvtepu16_epi32, __m128i)
108OPENCV_HAL_SSE_WRAP_1(cvtepi16_epi32, __m128i)
109OPENCV_HAL_SSE_WRAP_1(cvtepu32_epi64, __m128i)
110OPENCV_HAL_SSE_WRAP_1(cvtepi32_epi64, __m128i)
111OPENCV_HAL_SSE_WRAP_2(min_epu32, __m128i)
112OPENCV_HAL_SSE_WRAP_2(mullo_epi32, __m128i)
113OPENCV_HAL_SSE_WRAP_3(blendv_epi8, __m128i)
114 #endif // !CV_SSE4_1
115
117
119 // 16 << 8
120 inline __m128i _v128_cvtepu8_epi16_high(const __m128i& a)
121{
122 const __m128i z = _mm_setzero_si128();
123 return _mm_unpackhi_epi8(a, z);
124}
125 inline __m128i _v128_cvtepi8_epi16_high(const __m128i& a)
126{ return _mm_srai_epi16(_mm_unpackhi_epi8(a, a), 8); }
127 // 32 << 16
128 inline __m128i _v128_cvtepu16_epi32_high(const __m128i& a)
129{
130 const __m128i z = _mm_setzero_si128();
131 return _mm_unpackhi_epi16(a, z);
132}
133 inline __m128i _v128_cvtepi16_epi32_high(const __m128i& a)
134{ return _mm_srai_epi32(_mm_unpackhi_epi16(a, a), 16); }
135 // 64 << 32
136 inline __m128i _v128_cvtepu32_epi64_high(const __m128i& a)
137{
138 const __m128i z = _mm_setzero_si128();
139 return _mm_unpackhi_epi32(a, z);
140}
141 inline __m128i _v128_cvtepi32_epi64_high(const __m128i& a)
142{ return _mm_unpackhi_epi32(a, _mm_srai_epi32(a, 31)); }
143
145 inline __m128i _v128_packs_epu32(const __m128i& a, const __m128i& b)
146{
147 const __m128i m = _mm_set1_epi32(65535);
148 __m128i am = _v128_min_epu32(a, m);
149 __m128i bm = _v128_min_epu32(b, m);
150 #if CV_SSE4_1
151 return _mm_packus_epi32(am, bm);
152 #else
153 const __m128i d = _mm_set1_epi32(32768), nd = _mm_set1_epi16(-32768);
154 am = _mm_sub_epi32(am, d);
155 bm = _mm_sub_epi32(bm, d);
156 am = _mm_packs_epi32(am, bm);
157 return _mm_sub_epi16(am, nd);
158 #endif
159}
160
161 template<int i>
162 inline int64 _v128_extract_epi64(const __m128i& a)
163{
164 #if defined(CV__SIMD_HAVE_mm_extract_epi64) || (CV_SSE4_1 && (defined(__x86_64__) /*GCC*/ || defined(_M_X64) /*MSVC*/ ))
165 #define CV__SIMD_NATIVE_mm_extract_epi64 1
166 return _mm_extract_epi64(a, i);
167 #else
168 CV_DECL_ALIGNED(16) int64 tmp[2];
169 _mm_store_si128((__m128i*)tmp, a);
170 return tmp[i];
171 #endif
172}
173
174CV_CPU_OPTIMIZATION_HAL_NAMESPACE_END
175
177
178} // cv::
179
180 #endif // OPENCV_HAL_INTRIN_SSE_EM_HPP
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Definition: aruco.hpp:75
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