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1 | /*===---- ammintrin.h - SSE4a intrinsics -----------------------------------=== |
---|---|
2 | * |
3 | * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | * See https://llvm.org/LICENSE.txt for license information. |
5 | * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | * |
7 | *===-----------------------------------------------------------------------=== |
8 | */ |
9 | |
10 | #ifndef __AMMINTRIN_H |
11 | #define __AMMINTRIN_H |
12 | |
13 | #if !defined(__i386__) && !defined(__x86_64__) |
14 | #error "This header is only meant to be used on x86 and x64 architecture" |
15 | #endif |
16 | |
17 | #include <pmmintrin.h> |
18 | |
19 | /* Define the default attributes for the functions in this file. */ |
20 | #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("sse4a"), __min_vector_width__(128))) |
21 | |
22 | /// Extracts the specified bits from the lower 64 bits of the 128-bit |
23 | /// integer vector operand at the index \a idx and of the length \a len. |
24 | /// |
25 | /// \headerfile <x86intrin.h> |
26 | /// |
27 | /// \code |
28 | /// __m128i _mm_extracti_si64(__m128i x, const int len, const int idx); |
29 | /// \endcode |
30 | /// |
31 | /// This intrinsic corresponds to the <c> EXTRQ </c> instruction. |
32 | /// |
33 | /// \param x |
34 | /// The value from which bits are extracted. |
35 | /// \param len |
36 | /// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0] |
37 | /// are zero, the length is interpreted as 64. |
38 | /// \param idx |
39 | /// Bits [5:0] specify the index of the least significant bit; the other |
40 | /// bits are ignored. If the sum of the index and length is greater than 64, |
41 | /// the result is undefined. If the length and index are both zero, bits |
42 | /// [63:0] of parameter \a x are extracted. If the length is zero but the |
43 | /// index is non-zero, the result is undefined. |
44 | /// \returns A 128-bit integer vector whose lower 64 bits contain the bits |
45 | /// extracted from the source operand. |
46 | #define _mm_extracti_si64(x, len, idx) \ |
47 | ((__m128i)__builtin_ia32_extrqi((__v2di)(__m128i)(x), \ |
48 | (char)(len), (char)(idx))) |
49 | |
50 | /// Extracts the specified bits from the lower 64 bits of the 128-bit |
51 | /// integer vector operand at the index and of the length specified by |
52 | /// \a __y. |
53 | /// |
54 | /// \headerfile <x86intrin.h> |
55 | /// |
56 | /// This intrinsic corresponds to the <c> EXTRQ </c> instruction. |
57 | /// |
58 | /// \param __x |
59 | /// The value from which bits are extracted. |
60 | /// \param __y |
61 | /// Specifies the index of the least significant bit at [13:8] and the |
62 | /// length at [5:0]; all other bits are ignored. If bits [5:0] are zero, the |
63 | /// length is interpreted as 64. If the sum of the index and length is |
64 | /// greater than 64, the result is undefined. If the length and index are |
65 | /// both zero, bits [63:0] of parameter \a __x are extracted. If the length |
66 | /// is zero but the index is non-zero, the result is undefined. |
67 | /// \returns A 128-bit vector whose lower 64 bits contain the bits extracted |
68 | /// from the source operand. |
69 | static __inline__ __m128i __DEFAULT_FN_ATTRS |
70 | _mm_extract_si64(__m128i __x, __m128i __y) |
71 | { |
72 | return (__m128i)__builtin_ia32_extrq((__v2di)__x, (__v16qi)__y); |
73 | } |
74 | |
75 | /// Inserts bits of a specified length from the source integer vector |
76 | /// \a y into the lower 64 bits of the destination integer vector \a x at |
77 | /// the index \a idx and of the length \a len. |
78 | /// |
79 | /// \headerfile <x86intrin.h> |
80 | /// |
81 | /// \code |
82 | /// __m128i _mm_inserti_si64(__m128i x, __m128i y, const int len, |
83 | /// const int idx); |
84 | /// \endcode |
85 | /// |
86 | /// This intrinsic corresponds to the <c> INSERTQ </c> instruction. |
87 | /// |
88 | /// \param x |
89 | /// The destination operand where bits will be inserted. The inserted bits |
90 | /// are defined by the length \a len and by the index \a idx specifying the |
91 | /// least significant bit. |
92 | /// \param y |
93 | /// The source operand containing the bits to be extracted. The extracted |
94 | /// bits are the least significant bits of operand \a y of length \a len. |
95 | /// \param len |
96 | /// Bits [5:0] specify the length; the other bits are ignored. If bits [5:0] |
97 | /// are zero, the length is interpreted as 64. |
98 | /// \param idx |
99 | /// Bits [5:0] specify the index of the least significant bit; the other |
100 | /// bits are ignored. If the sum of the index and length is greater than 64, |
101 | /// the result is undefined. If the length and index are both zero, bits |
102 | /// [63:0] of parameter \a y are inserted into parameter \a x. If the length |
103 | /// is zero but the index is non-zero, the result is undefined. |
104 | /// \returns A 128-bit integer vector containing the original lower 64-bits of |
105 | /// destination operand \a x with the specified bitfields replaced by the |
106 | /// lower bits of source operand \a y. The upper 64 bits of the return value |
107 | /// are undefined. |
108 | #define _mm_inserti_si64(x, y, len, idx) \ |
109 | ((__m128i)__builtin_ia32_insertqi((__v2di)(__m128i)(x), \ |
110 | (__v2di)(__m128i)(y), \ |
111 | (char)(len), (char)(idx))) |
112 | |
113 | /// Inserts bits of a specified length from the source integer vector |
114 | /// \a __y into the lower 64 bits of the destination integer vector \a __x |
115 | /// at the index and of the length specified by \a __y. |
116 | /// |
117 | /// \headerfile <x86intrin.h> |
118 | /// |
119 | /// This intrinsic corresponds to the <c> INSERTQ </c> instruction. |
120 | /// |
121 | /// \param __x |
122 | /// The destination operand where bits will be inserted. The inserted bits |
123 | /// are defined by the length and by the index of the least significant bit |
124 | /// specified by operand \a __y. |
125 | /// \param __y |
126 | /// The source operand containing the bits to be extracted. The extracted |
127 | /// bits are the least significant bits of operand \a __y with length |
128 | /// specified by bits [69:64]. These are inserted into the destination at the |
129 | /// index specified by bits [77:72]; all other bits are ignored. If bits |
130 | /// [69:64] are zero, the length is interpreted as 64. If the sum of the |
131 | /// index and length is greater than 64, the result is undefined. If the |
132 | /// length and index are both zero, bits [63:0] of parameter \a __y are |
133 | /// inserted into parameter \a __x. If the length is zero but the index is |
134 | /// non-zero, the result is undefined. |
135 | /// \returns A 128-bit integer vector containing the original lower 64-bits of |
136 | /// destination operand \a __x with the specified bitfields replaced by the |
137 | /// lower bits of source operand \a __y. The upper 64 bits of the return |
138 | /// value are undefined. |
139 | static __inline__ __m128i __DEFAULT_FN_ATTRS |
140 | _mm_insert_si64(__m128i __x, __m128i __y) |
141 | { |
142 | return (__m128i)__builtin_ia32_insertq((__v2di)__x, (__v2di)__y); |
143 | } |
144 | |
145 | /// Stores a 64-bit double-precision value in a 64-bit memory location. |
146 | /// To minimize caching, the data is flagged as non-temporal (unlikely to be |
147 | /// used again soon). |
148 | /// |
149 | /// \headerfile <x86intrin.h> |
150 | /// |
151 | /// This intrinsic corresponds to the <c> MOVNTSD </c> instruction. |
152 | /// |
153 | /// \param __p |
154 | /// The 64-bit memory location used to store the register value. |
155 | /// \param __a |
156 | /// The 64-bit double-precision floating-point register value to be stored. |
157 | static __inline__ void __DEFAULT_FN_ATTRS |
158 | _mm_stream_sd(void *__p, __m128d __a) |
159 | { |
160 | __builtin_ia32_movntsd((double *)__p, (__v2df)__a); |
161 | } |
162 | |
163 | /// Stores a 32-bit single-precision floating-point value in a 32-bit |
164 | /// memory location. To minimize caching, the data is flagged as |
165 | /// non-temporal (unlikely to be used again soon). |
166 | /// |
167 | /// \headerfile <x86intrin.h> |
168 | /// |
169 | /// This intrinsic corresponds to the <c> MOVNTSS </c> instruction. |
170 | /// |
171 | /// \param __p |
172 | /// The 32-bit memory location used to store the register value. |
173 | /// \param __a |
174 | /// The 32-bit single-precision floating-point register value to be stored. |
175 | static __inline__ void __DEFAULT_FN_ATTRS |
176 | _mm_stream_ss(void *__p, __m128 __a) |
177 | { |
178 | __builtin_ia32_movntss((float *)__p, (__v4sf)__a); |
179 | } |
180 | |
181 | #undef __DEFAULT_FN_ATTRS |
182 | |
183 | #endif /* __AMMINTRIN_H */ |
184 |
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