1 | /*===---- ammintrin.h - SSE4a intrinsics -----------------------------------=== |
---|---|
2 | * |
3 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
4 | * of this software and associated documentation files (the "Software"), to deal |
5 | * in the Software without restriction, including without limitation the rights |
6 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
7 | * copies of the Software, and to permit persons to whom the Software is |
8 | * furnished to do so, subject to the following conditions: |
9 | * |
10 | * The above copyright notice and this permission notice shall be included in |
11 | * all copies or substantial portions of the Software. |
12 | * |
13 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
14 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
15 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
16 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
17 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
18 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
19 | * THE SOFTWARE. |
20 | * |
21 | *===-----------------------------------------------------------------------=== |
22 | */ |
23 | |
24 | #ifndef __AMMINTRIN_H |
25 | #define __AMMINTRIN_H |
26 | |
27 | #include <pmmintrin.h> |
28 | |
29 | /* Define the default attributes for the functions in this file. */ |
30 | #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("sse4a"), __min_vector_width__(128))) |
31 | |
32 | /// Extracts the specified bits from the lower 64 bits of the 128-bit |
33 | /// integer vector operand at the index \a idx and of the length \a len. |
34 | /// |
35 | /// \headerfile <x86intrin.h> |
36 | /// |
37 | /// \code |
38 | /// __m128i _mm_extracti_si64(__m128i x, const int len, const int idx); |
39 | /// \endcode |
40 | /// |
41 | /// This intrinsic corresponds to the <c> EXTRQ </c> instruction. |
42 | /// |
43 | /// \param x |
44 | /// The value from which bits are extracted. |
45 | /// \param len |
46 | /// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0] |
47 | /// are zero, the length is interpreted as 64. |
48 | /// \param idx |
49 | /// Bits [5:0] specify the index of the least significant bit; the other |
50 | /// bits are ignored. If the sum of the index and length is greater than 64, |
51 | /// the result is undefined. If the length and index are both zero, bits |
52 | /// [63:0] of parameter \a x are extracted. If the length is zero but the |
53 | /// index is non-zero, the result is undefined. |
54 | /// \returns A 128-bit integer vector whose lower 64 bits contain the bits |
55 | /// extracted from the source operand. |
56 | #define _mm_extracti_si64(x, len, idx) \ |
57 | ((__m128i)__builtin_ia32_extrqi((__v2di)(__m128i)(x), \ |
58 | (char)(len), (char)(idx))) |
59 | |
60 | /// Extracts the specified bits from the lower 64 bits of the 128-bit |
61 | /// integer vector operand at the index and of the length specified by |
62 | /// \a __y. |
63 | /// |
64 | /// \headerfile <x86intrin.h> |
65 | /// |
66 | /// This intrinsic corresponds to the <c> EXTRQ </c> instruction. |
67 | /// |
68 | /// \param __x |
69 | /// The value from which bits are extracted. |
70 | /// \param __y |
71 | /// Specifies the index of the least significant bit at [13:8] and the |
72 | /// length at [5:0]; all other bits are ignored. If bits [5:0] are zero, the |
73 | /// length is interpreted as 64. If the sum of the index and length is |
74 | /// greater than 64, the result is undefined. If the length and index are |
75 | /// both zero, bits [63:0] of parameter \a __x are extracted. If the length |
76 | /// is zero but the index is non-zero, the result is undefined. |
77 | /// \returns A 128-bit vector whose lower 64 bits contain the bits extracted |
78 | /// from the source operand. |
79 | static __inline__ __m128i __DEFAULT_FN_ATTRS |
80 | _mm_extract_si64(__m128i __x, __m128i __y) |
81 | { |
82 | return (__m128i)__builtin_ia32_extrq((__v2di)__x, (__v16qi)__y); |
83 | } |
84 | |
85 | /// Inserts bits of a specified length from the source integer vector |
86 | /// \a y into the lower 64 bits of the destination integer vector \a x at |
87 | /// the index \a idx and of the length \a len. |
88 | /// |
89 | /// \headerfile <x86intrin.h> |
90 | /// |
91 | /// \code |
92 | /// __m128i _mm_inserti_si64(__m128i x, __m128i y, const int len, |
93 | /// const int idx); |
94 | /// \endcode |
95 | /// |
96 | /// This intrinsic corresponds to the <c> INSERTQ </c> instruction. |
97 | /// |
98 | /// \param x |
99 | /// The destination operand where bits will be inserted. The inserted bits |
100 | /// are defined by the length \a len and by the index \a idx specifying the |
101 | /// least significant bit. |
102 | /// \param y |
103 | /// The source operand containing the bits to be extracted. The extracted |
104 | /// bits are the least significant bits of operand \a y of length \a len. |
105 | /// \param len |
106 | /// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0] |
107 | /// are zero, the length is interpreted as 64. |
108 | /// \param idx |
109 | /// Bits [5:0] specify the index of the least significant bit; the other |
110 | /// bits are ignored. If the sum of the index and length is greater than 64, |
111 | /// the result is undefined. If the length and index are both zero, bits |
112 | /// [63:0] of parameter \a y are inserted into parameter \a x. If the length |
113 | /// is zero but the index is non-zero, the result is undefined. |
114 | /// \returns A 128-bit integer vector containing the original lower 64-bits of |
115 | /// destination operand \a x with the specified bitfields replaced by the |
116 | /// lower bits of source operand \a y. The upper 64 bits of the return value |
117 | /// are undefined. |
118 | #define _mm_inserti_si64(x, y, len, idx) \ |
119 | ((__m128i)__builtin_ia32_insertqi((__v2di)(__m128i)(x), \ |
120 | (__v2di)(__m128i)(y), \ |
121 | (char)(len), (char)(idx))) |
122 | |
123 | /// Inserts bits of a specified length from the source integer vector |
124 | /// \a __y into the lower 64 bits of the destination integer vector \a __x |
125 | /// at the index and of the length specified by \a __y. |
126 | /// |
127 | /// \headerfile <x86intrin.h> |
128 | /// |
129 | /// This intrinsic corresponds to the <c> INSERTQ </c> instruction. |
130 | /// |
131 | /// \param __x |
132 | /// The destination operand where bits will be inserted. The inserted bits |
133 | /// are defined by the length and by the index of the least significant bit |
134 | /// specified by operand \a __y. |
135 | /// \param __y |
136 | /// The source operand containing the bits to be extracted. The extracted |
137 | /// bits are the least significant bits of operand \a __y with length |
138 | /// specified by bits [69:64]. These are inserted into the destination at the |
139 | /// index specified by bits [77:72]; all other bits are ignored. If bits |
140 | /// [69:64] are zero, the length is interpreted as 64. If the sum of the |
141 | /// index and length is greater than 64, the result is undefined. If the |
142 | /// length and index are both zero, bits [63:0] of parameter \a __y are |
143 | /// inserted into parameter \a __x. If the length is zero but the index is |
144 | /// non-zero, the result is undefined. |
145 | /// \returns A 128-bit integer vector containing the original lower 64-bits of |
146 | /// destination operand \a __x with the specified bitfields replaced by the |
147 | /// lower bits of source operand \a __y. The upper 64 bits of the return |
148 | /// value are undefined. |
149 | static __inline__ __m128i __DEFAULT_FN_ATTRS |
150 | _mm_insert_si64(__m128i __x, __m128i __y) |
151 | { |
152 | return (__m128i)__builtin_ia32_insertq((__v2di)__x, (__v2di)__y); |
153 | } |
154 | |
155 | /// Stores a 64-bit double-precision value in a 64-bit memory location. |
156 | /// To minimize caching, the data is flagged as non-temporal (unlikely to be |
157 | /// used again soon). |
158 | /// |
159 | /// \headerfile <x86intrin.h> |
160 | /// |
161 | /// This intrinsic corresponds to the <c> MOVNTSD </c> instruction. |
162 | /// |
163 | /// \param __p |
164 | /// The 64-bit memory location used to store the register value. |
165 | /// \param __a |
166 | /// The 64-bit double-precision floating-point register value to be stored. |
167 | static __inline__ void __DEFAULT_FN_ATTRS |
168 | _mm_stream_sd(double *__p, __m128d __a) |
169 | { |
170 | __builtin_ia32_movntsd(__p, (__v2df)__a); |
171 | } |
172 | |
173 | /// Stores a 32-bit single-precision floating-point value in a 32-bit |
174 | /// memory location. To minimize caching, the data is flagged as |
175 | /// non-temporal (unlikely to be used again soon). |
176 | /// |
177 | /// \headerfile <x86intrin.h> |
178 | /// |
179 | /// This intrinsic corresponds to the <c> MOVNTSS </c> instruction. |
180 | /// |
181 | /// \param __p |
182 | /// The 32-bit memory location used to store the register value. |
183 | /// \param __a |
184 | /// The 32-bit single-precision floating-point register value to be stored. |
185 | static __inline__ void __DEFAULT_FN_ATTRS |
186 | _mm_stream_ss(float *__p, __m128 __a) |
187 | { |
188 | __builtin_ia32_movntss(__p, (__v4sf)__a); |
189 | } |
190 | |
191 | #undef __DEFAULT_FN_ATTRS |
192 | |
193 | #endif /* __AMMINTRIN_H */ |
194 |