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ammintrin.h
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1 /*===---- ammintrin.h - SSE4a intrinsics -----------------------------------===
2  *
3  * Permission is hereby granted, free of charge, to any person obtaining a copy
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8  * furnished to do so, subject to the following conditions:
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23 
24 #ifndef __AMMINTRIN_H
25 #define __AMMINTRIN_H
26 
27 #ifndef __SSE4A__
28 #error "SSE4A instruction set not enabled"
29 #else
30 
31 #include <pmmintrin.h>
32 
33 /* Define the default attributes for the functions in this file. */
34 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
35 
36 /// \brief Extracts the specified bits from the lower 64 bits of the 128-bit
37 /// integer vector operand at the index idx and of the length len.
38 ///
39 /// \headerfile <x86intrin.h>
40 ///
41 /// \code
42 /// __m128i _mm_extracti_si64(__m128i x, const int len, const int idx);
43 /// \endcode
44 ///
45 /// \code
46 /// This intrinsic corresponds to the \c EXTRQ instruction.
47 /// \endcode
48 ///
49 /// \param x
50 /// The value from which bits are extracted.
51 /// \param len
52 /// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0]
53 /// are zero, the length is interpreted as 64.
54 /// \param idx
55 /// Bits [5:0] specify the index of the least significant bit; the other
56 /// bits are ignored. If the sum of the index and length is greater than
57 /// 64, the result is undefined. If the length and index are both zero,
58 /// bits [63:0] of parameter x are extracted. If the length is zero
59 /// but the index is non-zero, the result is undefined.
60 /// \returns A 128-bit integer vector whose lower 64 bits contain the bits
61 /// extracted from the source operand.
62 #define _mm_extracti_si64(x, len, idx) \
63  ((__m128i)__builtin_ia32_extrqi((__v2di)(__m128i)(x), \
64  (char)(len), (char)(idx)))
65 
66 /// \brief Extracts the specified bits from the lower 64 bits of the 128-bit
67 /// integer vector operand at the index and of the length specified by __y.
68 ///
69 /// \headerfile <x86intrin.h>
70 ///
71 /// \code
72 /// This intrinsic corresponds to the \c EXTRQ instruction.
73 /// \endcode
74 ///
75 /// \param __x
76 /// The value from which bits are extracted.
77 /// \param __y
78 /// Specifies the index of the least significant bit at [13:8]
79 /// and the length at [5:0]; all other bits are ignored.
80 /// If bits [5:0] are zero, the length is interpreted as 64.
81 /// If the sum of the index and length is greater than 64, the result is
82 /// undefined. If the length and index are both zero, bits [63:0] of
83 /// parameter __x are extracted. If the length is zero but the index is
84 /// non-zero, the result is undefined.
85 /// \returns A 128-bit vector whose lower 64 bits contain the bits extracted
86 /// from the source operand.
87 static __inline__ __m128i __DEFAULT_FN_ATTRS
88 _mm_extract_si64(__m128i __x, __m128i __y)
89 {
90  return (__m128i)__builtin_ia32_extrq((__v2di)__x, (__v16qi)__y);
91 }
92 
93 /// \brief Inserts bits of a specified length from the source integer vector
94 /// y into the lower 64 bits of the destination integer vector x at the
95 /// index idx and of the length len.
96 ///
97 /// \headerfile <x86intrin.h>
98 ///
99 /// \code
100 /// __m128i _mm_inserti_si64(__m128i x, __m128i y, const int len,
101 /// const int idx);
102 /// \endcode
103 ///
104 /// \code
105 /// This intrinsic corresponds to the \c INSERTQ instruction.
106 /// \endcode
107 ///
108 /// \param x
109 /// The destination operand where bits will be inserted. The inserted bits
110 /// are defined by the length len and by the index idx specifying the least
111 /// significant bit.
112 /// \param y
113 /// The source operand containing the bits to be extracted. The extracted
114 /// bits are the least significant bits of operand y of length len.
115 /// \param len
116 /// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0]
117 /// are zero, the length is interpreted as 64.
118 /// \param idx
119 /// Bits [5:0] specify the index of the least significant bit; the other
120 /// bits are ignored. If the sum of the index and length is greater than
121 /// 64, the result is undefined. If the length and index are both zero,
122 /// bits [63:0] of parameter y are inserted into parameter x. If the
123 /// length is zero but the index is non-zero, the result is undefined.
124 /// \returns A 128-bit integer vector containing the original lower 64-bits
125 /// of destination operand x with the specified bitfields replaced by the
126 /// lower bits of source operand y. The upper 64 bits of the return value
127 /// are undefined.
128 
129 #define _mm_inserti_si64(x, y, len, idx) \
130  ((__m128i)__builtin_ia32_insertqi((__v2di)(__m128i)(x), \
131  (__v2di)(__m128i)(y), \
132  (char)(len), (char)(idx)))
133 
134 /// \brief Inserts bits of a specified length from the source integer vector
135 /// __y into the lower 64 bits of the destination integer vector __x at
136 /// the index and of the length specified by __y.
137 ///
138 /// \headerfile <x86intrin.h>
139 ///
140 /// \code
141 /// This intrinsic corresponds to the \c INSERTQ instruction.
142 /// \endcode
143 ///
144 /// \param __x
145 /// The destination operand where bits will be inserted. The inserted bits
146 /// are defined by the length and by the index of the least significant bit
147 /// specified by operand __y.
148 /// \param __y
149 /// The source operand containing the bits to be extracted. The extracted
150 /// bits are the least significant bits of operand __y with length specified
151 /// by bits [69:64]. These are inserted into the destination at the index
152 /// specified by bits [77:72]; all other bits are ignored.
153 /// If bits [69:64] are zero, the length is interpreted as 64.
154 /// If the sum of the index and length is greater than 64, the result is
155 /// undefined. If the length and index are both zero, bits [63:0] of
156 /// parameter __y are inserted into parameter __x. If the length
157 /// is zero but the index is non-zero, the result is undefined.
158 /// \returns A 128-bit integer vector containing the original lower 64-bits
159 /// of destination operand __x with the specified bitfields replaced by the
160 /// lower bits of source operand __y. The upper 64 bits of the return value
161 /// are undefined.
162 
163 static __inline__ __m128i __DEFAULT_FN_ATTRS
164 _mm_insert_si64(__m128i __x, __m128i __y)
165 {
166  return (__m128i)__builtin_ia32_insertq((__v2di)__x, (__v2di)__y);
167 }
168 
169 /// \brief Stores a 64-bit double-precision value in a 64-bit memory location.
170 /// To minimize caching, the data is flagged as non-temporal (unlikely to be
171 /// used again soon).
172 ///
173 /// \headerfile <x86intrin.h>
174 ///
175 /// \code
176 /// This intrinsic corresponds to the \c MOVNTSD instruction.
177 /// \endcode
178 ///
179 /// \param __p
180 /// The 64-bit memory location used to store the register value.
181 /// \param __a
182 /// The 64-bit double-precision floating-point register value to
183 /// be stored.
184 static __inline__ void __DEFAULT_FN_ATTRS
185 _mm_stream_sd(double *__p, __m128d __a)
186 {
187  __builtin_ia32_movntsd(__p, (__v2df)__a);
188 }
189 
190 /// \brief Stores a 32-bit single-precision floating-point value in a 32-bit
191 /// memory location. To minimize caching, the data is flagged as
192 /// non-temporal (unlikely to be used again soon).
193 ///
194 /// \headerfile <x86intrin.h>
195 ///
196 /// \code
197 /// This intrinsic corresponds to the \c MOVNTSS instruction.
198 /// \endcode
199 ///
200 /// \param __p
201 /// The 32-bit memory location used to store the register value.
202 /// \param __a
203 /// The 32-bit single-precision floating-point register value to
204 /// be stored.
205 static __inline__ void __DEFAULT_FN_ATTRS
206 _mm_stream_ss(float *__p, __m128 __a)
207 {
208  __builtin_ia32_movntss(__p, (__v4sf)__a);
209 }
210 
211 #undef __DEFAULT_FN_ATTRS
212 
213 #endif /* __SSE4A__ */
214 
215 #endif /* __AMMINTRIN_H */
#define __DEFAULT_FN_ATTRS
Definition: adxintrin.h:32