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
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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")))
31
32 /// \brief Extracts the specified bits from the lower 64 bits of the 128-bit
33 /// integer vector operand at the index idx and of the length 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 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 x are extracted. If the length is zero but the index
53 /// 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 /// \brief 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 __y.
62 ///
63 /// \headerfile <x86intrin.h>
64 ///
65 /// This intrinsic corresponds to the \c EXTRQ instruction.
66 ///
67 /// \param __x
68 /// The value from which bits are extracted.
69 /// \param __y
70 /// Specifies the index of the least significant bit at [13:8] and the
71 /// length at [5:0]; all other bits are ignored. If bits [5:0] are zero, the
72 /// length is interpreted as 64. If the sum of the index and length is
73 /// greater than 64, the result is undefined. If the length and index are
74 /// both zero, bits [63:0] of parameter __x are extracted. If the length is
75 /// zero but the index is non-zero, the result is undefined.
76 /// \returns A 128-bit vector whose lower 64 bits contain the bits extracted
77 /// from the source operand.
78 static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_extract_si64(__m128i __x,__m128i __y)79 _mm_extract_si64(__m128i __x, __m128i __y)
80 {
81 return (__m128i)__builtin_ia32_extrq((__v2di)__x, (__v16qi)__y);
82 }
83
84 /// \brief Inserts bits of a specified length from the source integer vector y
85 /// into the lower 64 bits of the destination integer vector x at the index
86 /// idx and of the length len.
87 ///
88 /// \headerfile <x86intrin.h>
89 ///
90 /// \code
91 /// __m128i _mm_inserti_si64(__m128i x, __m128i y, const int len,
92 /// const int idx);
93 /// \endcode
94 ///
95 /// This intrinsic corresponds to the \c INSERTQ instruction.
96 ///
97 /// \param x
98 /// The destination operand where bits will be inserted. The inserted bits
99 /// are defined by the length len and by the index idx specifying the least
100 /// significant bit.
101 /// \param y
102 /// The source operand containing the bits to be extracted. The extracted
103 /// bits are the least significant bits of operand y of length len.
104 /// \param len
105 /// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0]
106 /// are zero, the length is interpreted as 64.
107 /// \param idx
108 /// Bits [5:0] specify the index of the least significant bit; the other
109 /// bits are ignored. If the sum of the index and length is greater than 64,
110 /// the result is undefined. If the length and index are both zero, bits
111 /// [63:0] of parameter y are inserted into parameter x. If the length is
112 /// zero but the index is non-zero, the result is undefined.
113 /// \returns A 128-bit integer vector containing the original lower 64-bits of
114 /// destination operand x with the specified bitfields replaced by the lower
115 /// bits of source operand y. The upper 64 bits of the return value are
116 /// undefined.
117
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 /// \brief Inserts bits of a specified length from the source integer vector
124 /// __y into the lower 64 bits of the destination integer vector __x at the
125 /// index and of the length specified by __y.
126 ///
127 /// \headerfile <x86intrin.h>
128 ///
129 /// This intrinsic corresponds to the \c INSERTQ 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 __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 __y with length specified
138 /// by bits [69:64]. These are inserted into the destination at the index
139 /// specified by bits [77:72]; all other bits are ignored. If bits [69:64]
140 /// are zero, the length is interpreted as 64. If the sum of the index and
141 /// length is greater than 64, the result is undefined. If the length and
142 /// index are both zero, bits [63:0] of parameter __y are inserted into
143 /// parameter __x. If the length is zero but the index is non-zero, the
144 /// result is undefined.
145 /// \returns A 128-bit integer vector containing the original lower 64-bits of
146 /// destination operand __x with the specified bitfields replaced by the
147 /// lower bits of source operand __y. The upper 64 bits of the return value
148 /// are undefined.
149
150 static __inline__ __m128i __DEFAULT_FN_ATTRS
_mm_insert_si64(__m128i __x,__m128i __y)151 _mm_insert_si64(__m128i __x, __m128i __y)
152 {
153 return (__m128i)__builtin_ia32_insertq((__v2di)__x, (__v2di)__y);
154 }
155
156 /// \brief Stores a 64-bit double-precision value in a 64-bit memory location.
157 /// To minimize caching, the data is flagged as non-temporal (unlikely to be
158 /// used again soon).
159 ///
160 /// \headerfile <x86intrin.h>
161 ///
162 /// This intrinsic corresponds to the \c MOVNTSD instruction.
163 ///
164 /// \param __p
165 /// The 64-bit memory location used to store the register value.
166 /// \param __a
167 /// The 64-bit double-precision floating-point register value to be stored.
168 static __inline__ void __DEFAULT_FN_ATTRS
_mm_stream_sd(double * __p,__m128d __a)169 _mm_stream_sd(double *__p, __m128d __a)
170 {
171 __builtin_ia32_movntsd(__p, (__v2df)__a);
172 }
173
174 /// \brief Stores a 32-bit single-precision floating-point value in a 32-bit
175 /// memory location. To minimize caching, the data is flagged as
176 /// non-temporal (unlikely to be used again soon).
177 ///
178 /// \headerfile <x86intrin.h>
179 ///
180 /// This intrinsic corresponds to the \c MOVNTSS instruction.
181 ///
182 /// \param __p
183 /// The 32-bit memory location used to store the register value.
184 /// \param __a
185 /// The 32-bit single-precision floating-point register value to be stored.
186 static __inline__ void __DEFAULT_FN_ATTRS
_mm_stream_ss(float * __p,__m128 __a)187 _mm_stream_ss(float *__p, __m128 __a)
188 {
189 __builtin_ia32_movntss(__p, (__v4sf)__a);
190 }
191
192 #undef __DEFAULT_FN_ATTRS
193
194 #endif /* __AMMINTRIN_H */
195