xref: /freebsd/contrib/llvm-project/clang/lib/Headers/pmmintrin.h (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1 /*===---- pmmintrin.h - SSE3 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 __PMMINTRIN_H
11 #define __PMMINTRIN_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 <emmintrin.h>
18 
19 /* Define the default attributes for the functions in this file. */
20 #define __DEFAULT_FN_ATTRS \
21   __attribute__((__always_inline__, __nodebug__, __target__("sse3"), __min_vector_width__(128)))
22 
23 /// Loads data from an unaligned memory location to elements in a 128-bit
24 ///    vector.
25 ///
26 ///    If the address of the data is not 16-byte aligned, the instruction may
27 ///    read two adjacent aligned blocks of memory to retrieve the requested
28 ///    data.
29 ///
30 /// \headerfile <x86intrin.h>
31 ///
32 /// This intrinsic corresponds to the <c> VLDDQU </c> instruction.
33 ///
34 /// \param __p
35 ///    A pointer to a 128-bit integer vector containing integer values.
36 /// \returns A 128-bit vector containing the moved values.
37 static __inline__ __m128i __DEFAULT_FN_ATTRS
38 _mm_lddqu_si128(__m128i_u const *__p)
39 {
40   return (__m128i)__builtin_ia32_lddqu((char const *)__p);
41 }
42 
43 /// Adds the even-indexed values and subtracts the odd-indexed values of
44 ///    two 128-bit vectors of [4 x float].
45 ///
46 /// \headerfile <x86intrin.h>
47 ///
48 /// This intrinsic corresponds to the <c> VADDSUBPS </c> instruction.
49 ///
50 /// \param __a
51 ///    A 128-bit vector of [4 x float] containing the left source operand.
52 /// \param __b
53 ///    A 128-bit vector of [4 x float] containing the right source operand.
54 /// \returns A 128-bit vector of [4 x float] containing the alternating sums and
55 ///    differences of both operands.
56 static __inline__ __m128 __DEFAULT_FN_ATTRS
57 _mm_addsub_ps(__m128 __a, __m128 __b)
58 {
59   return __builtin_ia32_addsubps((__v4sf)__a, (__v4sf)__b);
60 }
61 
62 /// Horizontally adds the adjacent pairs of values contained in two
63 ///    128-bit vectors of [4 x float].
64 ///
65 /// \headerfile <x86intrin.h>
66 ///
67 /// This intrinsic corresponds to the <c> VHADDPS </c> instruction.
68 ///
69 /// \param __a
70 ///    A 128-bit vector of [4 x float] containing one of the source operands.
71 ///    The horizontal sums of the values are stored in the lower bits of the
72 ///    destination.
73 /// \param __b
74 ///    A 128-bit vector of [4 x float] containing one of the source operands.
75 ///    The horizontal sums of the values are stored in the upper bits of the
76 ///    destination.
77 /// \returns A 128-bit vector of [4 x float] containing the horizontal sums of
78 ///    both operands.
79 static __inline__ __m128 __DEFAULT_FN_ATTRS
80 _mm_hadd_ps(__m128 __a, __m128 __b)
81 {
82   return __builtin_ia32_haddps((__v4sf)__a, (__v4sf)__b);
83 }
84 
85 /// Horizontally subtracts the adjacent pairs of values contained in two
86 ///    128-bit vectors of [4 x float].
87 ///
88 /// \headerfile <x86intrin.h>
89 ///
90 /// This intrinsic corresponds to the <c> VHSUBPS </c> instruction.
91 ///
92 /// \param __a
93 ///    A 128-bit vector of [4 x float] containing one of the source operands.
94 ///    The horizontal differences between the values are stored in the lower
95 ///    bits of the destination.
96 /// \param __b
97 ///    A 128-bit vector of [4 x float] containing one of the source operands.
98 ///    The horizontal differences between the values are stored in the upper
99 ///    bits of the destination.
100 /// \returns A 128-bit vector of [4 x float] containing the horizontal
101 ///    differences of both operands.
102 static __inline__ __m128 __DEFAULT_FN_ATTRS
103 _mm_hsub_ps(__m128 __a, __m128 __b)
104 {
105   return __builtin_ia32_hsubps((__v4sf)__a, (__v4sf)__b);
106 }
107 
108 /// Moves and duplicates odd-indexed values from a 128-bit vector
109 ///    of [4 x float] to float values stored in a 128-bit vector of
110 ///    [4 x float].
111 ///
112 /// \headerfile <x86intrin.h>
113 ///
114 /// This intrinsic corresponds to the <c> VMOVSHDUP </c> instruction.
115 ///
116 /// \param __a
117 ///    A 128-bit vector of [4 x float]. \n
118 ///    Bits [127:96] of the source are written to bits [127:96] and [95:64] of
119 ///    the destination. \n
120 ///    Bits [63:32] of the source are written to bits [63:32] and [31:0] of the
121 ///    destination.
122 /// \returns A 128-bit vector of [4 x float] containing the moved and duplicated
123 ///    values.
124 static __inline__ __m128 __DEFAULT_FN_ATTRS
125 _mm_movehdup_ps(__m128 __a)
126 {
127   return __builtin_shufflevector((__v4sf)__a, (__v4sf)__a, 1, 1, 3, 3);
128 }
129 
130 /// Duplicates even-indexed values from a 128-bit vector of
131 ///    [4 x float] to float values stored in a 128-bit vector of [4 x float].
132 ///
133 /// \headerfile <x86intrin.h>
134 ///
135 /// This intrinsic corresponds to the <c> VMOVSLDUP </c> instruction.
136 ///
137 /// \param __a
138 ///    A 128-bit vector of [4 x float] \n
139 ///    Bits [95:64] of the source are written to bits [127:96] and [95:64] of
140 ///    the destination. \n
141 ///    Bits [31:0] of the source are written to bits [63:32] and [31:0] of the
142 ///    destination.
143 /// \returns A 128-bit vector of [4 x float] containing the moved and duplicated
144 ///    values.
145 static __inline__ __m128 __DEFAULT_FN_ATTRS
146 _mm_moveldup_ps(__m128 __a)
147 {
148   return __builtin_shufflevector((__v4sf)__a, (__v4sf)__a, 0, 0, 2, 2);
149 }
150 
151 /// Adds the even-indexed values and subtracts the odd-indexed values of
152 ///    two 128-bit vectors of [2 x double].
153 ///
154 /// \headerfile <x86intrin.h>
155 ///
156 /// This intrinsic corresponds to the <c> VADDSUBPD </c> instruction.
157 ///
158 /// \param __a
159 ///    A 128-bit vector of [2 x double] containing the left source operand.
160 /// \param __b
161 ///    A 128-bit vector of [2 x double] containing the right source operand.
162 /// \returns A 128-bit vector of [2 x double] containing the alternating sums
163 ///    and differences of both operands.
164 static __inline__ __m128d __DEFAULT_FN_ATTRS
165 _mm_addsub_pd(__m128d __a, __m128d __b)
166 {
167   return __builtin_ia32_addsubpd((__v2df)__a, (__v2df)__b);
168 }
169 
170 /// Horizontally adds the pairs of values contained in two 128-bit
171 ///    vectors of [2 x double].
172 ///
173 /// \headerfile <x86intrin.h>
174 ///
175 /// This intrinsic corresponds to the <c> VHADDPD </c> instruction.
176 ///
177 /// \param __a
178 ///    A 128-bit vector of [2 x double] containing one of the source operands.
179 ///    The horizontal sum of the values is stored in the lower bits of the
180 ///    destination.
181 /// \param __b
182 ///    A 128-bit vector of [2 x double] containing one of the source operands.
183 ///    The horizontal sum of the values is stored in the upper bits of the
184 ///    destination.
185 /// \returns A 128-bit vector of [2 x double] containing the horizontal sums of
186 ///    both operands.
187 static __inline__ __m128d __DEFAULT_FN_ATTRS
188 _mm_hadd_pd(__m128d __a, __m128d __b)
189 {
190   return __builtin_ia32_haddpd((__v2df)__a, (__v2df)__b);
191 }
192 
193 /// Horizontally subtracts the pairs of values contained in two 128-bit
194 ///    vectors of [2 x double].
195 ///
196 /// \headerfile <x86intrin.h>
197 ///
198 /// This intrinsic corresponds to the <c> VHSUBPD </c> instruction.
199 ///
200 /// \param __a
201 ///    A 128-bit vector of [2 x double] containing one of the source operands.
202 ///    The horizontal difference of the values is stored in the lower bits of
203 ///    the destination.
204 /// \param __b
205 ///    A 128-bit vector of [2 x double] containing one of the source operands.
206 ///    The horizontal difference of the values is stored in the upper bits of
207 ///    the destination.
208 /// \returns A 128-bit vector of [2 x double] containing the horizontal
209 ///    differences of both operands.
210 static __inline__ __m128d __DEFAULT_FN_ATTRS
211 _mm_hsub_pd(__m128d __a, __m128d __b)
212 {
213   return __builtin_ia32_hsubpd((__v2df)__a, (__v2df)__b);
214 }
215 
216 /// Moves and duplicates one double-precision value to double-precision
217 ///    values stored in a 128-bit vector of [2 x double].
218 ///
219 /// \headerfile <x86intrin.h>
220 ///
221 /// \code
222 /// __m128d _mm_loaddup_pd(double const *dp);
223 /// \endcode
224 ///
225 /// This intrinsic corresponds to the <c> VMOVDDUP </c> instruction.
226 ///
227 /// \param dp
228 ///    A pointer to a double-precision value to be moved and duplicated.
229 /// \returns A 128-bit vector of [2 x double] containing the moved and
230 ///    duplicated values.
231 #define        _mm_loaddup_pd(dp)        _mm_load1_pd(dp)
232 
233 /// Moves and duplicates the double-precision value in the lower bits of
234 ///    a 128-bit vector of [2 x double] to double-precision values stored in a
235 ///    128-bit vector of [2 x double].
236 ///
237 /// \headerfile <x86intrin.h>
238 ///
239 /// This intrinsic corresponds to the <c> VMOVDDUP </c> instruction.
240 ///
241 /// \param __a
242 ///    A 128-bit vector of [2 x double]. Bits [63:0] are written to bits
243 ///    [127:64] and [63:0] of the destination.
244 /// \returns A 128-bit vector of [2 x double] containing the moved and
245 ///    duplicated values.
246 static __inline__ __m128d __DEFAULT_FN_ATTRS
247 _mm_movedup_pd(__m128d __a)
248 {
249   return __builtin_shufflevector((__v2df)__a, (__v2df)__a, 0, 0);
250 }
251 
252 /// Establishes a linear address memory range to be monitored and puts
253 ///    the processor in the monitor event pending state. Data stored in the
254 ///    monitored address range causes the processor to exit the pending state.
255 ///
256 /// The \c MONITOR instruction can be used in kernel mode, and in other modes
257 /// if MSR <c> C001_0015h[MonMwaitUserEn] </c> is set.
258 ///
259 /// \headerfile <x86intrin.h>
260 ///
261 /// This intrinsic corresponds to the \c MONITOR instruction.
262 ///
263 /// \param __p
264 ///    The memory range to be monitored. The size of the range is determined by
265 ///    CPUID function 0000_0005h.
266 /// \param __extensions
267 ///    Optional extensions for the monitoring state.
268 /// \param __hints
269 ///    Optional hints for the monitoring state.
270 static __inline__ void __DEFAULT_FN_ATTRS
271 _mm_monitor(void const *__p, unsigned __extensions, unsigned __hints)
272 {
273   __builtin_ia32_monitor(__p, __extensions, __hints);
274 }
275 
276 /// Used with the \c MONITOR instruction to wait while the processor is in
277 ///    the monitor event pending state. Data stored in the monitored address
278 ///    range, or an interrupt, causes the processor to exit the pending state.
279 ///
280 /// The \c MWAIT instruction can be used in kernel mode, and in other modes if
281 /// MSR <c> C001_0015h[MonMwaitUserEn] </c> is set.
282 ///
283 /// \headerfile <x86intrin.h>
284 ///
285 /// This intrinsic corresponds to the \c MWAIT instruction.
286 ///
287 /// \param __extensions
288 ///    Optional extensions for the monitoring state, which can vary by
289 ///    processor.
290 /// \param __hints
291 ///    Optional hints for the monitoring state, which can vary by processor.
292 static __inline__ void __DEFAULT_FN_ATTRS
293 _mm_mwait(unsigned __extensions, unsigned __hints)
294 {
295   __builtin_ia32_mwait(__extensions, __hints);
296 }
297 
298 #undef __DEFAULT_FN_ATTRS
299 
300 #endif /* __PMMINTRIN_H */
301