xsaveintrin.h source code [clang_source_code/lib/Headers/xsaveintrin.h]

1	/*===---- xsaveintrin.h - XSAVE 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 <xsaveintrin.h> directly; include <immintrin.h> instead."
26	#endif
27
28	#ifndef __XSAVEINTRIN_H
29	#define __XSAVEINTRIN_H
30
31	#ifdef _MSC_VER
32	#define _XCR_XFEATURE_ENABLED_MASK 0
33	#endif
34
35	/* Define the default attributes for the functions in this file. */
36	#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("xsave")))
37
38	static __inline__ void __DEFAULT_FN_ATTRS
39	_xsave(void *__p, unsigned long long __m) {
40	__builtin_ia32_xsave(__p, __m);
41	}
42
43	static __inline__ void __DEFAULT_FN_ATTRS
44	_xrstor(void *__p, unsigned long long __m) {
45	__builtin_ia32_xrstor(__p, __m);
46	}
47
48	#ifndef _MSC_VER
49	#define _xgetbv(A) __builtin_ia32_xgetbv((long long)(A))
50	#define _xsetbv(A, B) __builtin_ia32_xsetbv((unsigned int)(A), (unsigned long long)(B));
51	#else
52	#ifdef __cplusplus
53	extern "C" {
54	#endif
55	unsigned __int64 __cdecl _xgetbv(unsigned int);
56	void __cdecl _xsetbv(unsigned int, unsigned __int64);
57	#ifdef __cplusplus
58	}
59	#endif
60	#endif /* _MSC_VER */
61
62	#ifdef __x86_64__
63	static __inline__ void __DEFAULT_FN_ATTRS
64	_xsave64(void *__p, unsigned long long __m) {
65	__builtin_ia32_xsave64(__p, __m);
66	}
67
68	static __inline__ void __DEFAULT_FN_ATTRS
69	_xrstor64(void *__p, unsigned long long __m) {
70	__builtin_ia32_xrstor64(__p, __m);
71	}
72
73	#endif
74
75	#undef __DEFAULT_FN_ATTRS
76
77	#endif
78

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