1 | /*===---- fxsrintrin.h - FXSR intrinsic ------------------------------------=== |
---|---|
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 __IMMINTRIN_H |
25 | #error "Never use <fxsrintrin.h> directly; include <immintrin.h> instead." |
26 | #endif |
27 | |
28 | #ifndef __FXSRINTRIN_H |
29 | #define __FXSRINTRIN_H |
30 | |
31 | #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("fxsr"))) |
32 | |
33 | /// Saves the XMM, MMX, MXCSR and x87 FPU registers into a 512-byte |
34 | /// memory region pointed to by the input parameter \a __p. |
35 | /// |
36 | /// \headerfile <x86intrin.h> |
37 | /// |
38 | /// This intrinsic corresponds to the <c> FXSAVE </c> instruction. |
39 | /// |
40 | /// \param __p |
41 | /// A pointer to a 512-byte memory region. The beginning of this memory |
42 | /// region should be aligned on a 16-byte boundary. |
43 | static __inline__ void __DEFAULT_FN_ATTRS |
44 | _fxsave(void *__p) |
45 | { |
46 | __builtin_ia32_fxsave(__p); |
47 | } |
48 | |
49 | /// Restores the XMM, MMX, MXCSR and x87 FPU registers from the 512-byte |
50 | /// memory region pointed to by the input parameter \a __p. The contents of |
51 | /// this memory region should have been written to by a previous \c _fxsave |
52 | /// or \c _fxsave64 intrinsic. |
53 | /// |
54 | /// \headerfile <x86intrin.h> |
55 | /// |
56 | /// This intrinsic corresponds to the <c> FXRSTOR </c> instruction. |
57 | /// |
58 | /// \param __p |
59 | /// A pointer to a 512-byte memory region. The beginning of this memory |
60 | /// region should be aligned on a 16-byte boundary. |
61 | static __inline__ void __DEFAULT_FN_ATTRS |
62 | _fxrstor(void *__p) |
63 | { |
64 | __builtin_ia32_fxrstor(__p); |
65 | } |
66 | |
67 | #ifdef __x86_64__ |
68 | /// Saves the XMM, MMX, MXCSR and x87 FPU registers into a 512-byte |
69 | /// memory region pointed to by the input parameter \a __p. |
70 | /// |
71 | /// \headerfile <x86intrin.h> |
72 | /// |
73 | /// This intrinsic corresponds to the <c> FXSAVE64 </c> instruction. |
74 | /// |
75 | /// \param __p |
76 | /// A pointer to a 512-byte memory region. The beginning of this memory |
77 | /// region should be aligned on a 16-byte boundary. |
78 | static __inline__ void __DEFAULT_FN_ATTRS |
79 | _fxsave64(void *__p) |
80 | { |
81 | __builtin_ia32_fxsave64(__p); |
82 | } |
83 | |
84 | /// Restores the XMM, MMX, MXCSR and x87 FPU registers from the 512-byte |
85 | /// memory region pointed to by the input parameter \a __p. The contents of |
86 | /// this memory region should have been written to by a previous \c _fxsave |
87 | /// or \c _fxsave64 intrinsic. |
88 | /// |
89 | /// \headerfile <x86intrin.h> |
90 | /// |
91 | /// This intrinsic corresponds to the <c> FXRSTOR64 </c> instruction. |
92 | /// |
93 | /// \param __p |
94 | /// A pointer to a 512-byte memory region. The beginning of this memory |
95 | /// region should be aligned on a 16-byte boundary. |
96 | static __inline__ void __DEFAULT_FN_ATTRS |
97 | _fxrstor64(void *__p) |
98 | { |
99 | __builtin_ia32_fxrstor64(__p); |
100 | } |
101 | #endif |
102 | |
103 | #undef __DEFAULT_FN_ATTRS |
104 | |
105 | #endif |
106 |