• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*===---- rdseedintrin.h - RDSEED intrinsics -------------------------------===
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 __X86INTRIN_H
25 #error "Never use <rdseedintrin.h> directly; include <x86intrin.h> instead."
26 #endif
27 
28 #ifndef __RDSEEDINTRIN_H
29 #define __RDSEEDINTRIN_H
30 
31 /* Define the default attributes for the functions in this file. */
32 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("rdseed")))
33 
34 static __inline__ int __DEFAULT_FN_ATTRS
_rdseed16_step(unsigned short * __p)35 _rdseed16_step(unsigned short *__p)
36 {
37   return __builtin_ia32_rdseed16_step(__p);
38 }
39 
40 static __inline__ int __DEFAULT_FN_ATTRS
_rdseed32_step(unsigned int * __p)41 _rdseed32_step(unsigned int *__p)
42 {
43   return __builtin_ia32_rdseed32_step(__p);
44 }
45 
46 #ifdef __x86_64__
47 static __inline__ int __DEFAULT_FN_ATTRS
_rdseed64_step(unsigned long long * __p)48 _rdseed64_step(unsigned long long *__p)
49 {
50   return __builtin_ia32_rdseed64_step(__p);
51 }
52 #endif
53 
54 #undef __DEFAULT_FN_ATTRS
55 
56 #endif /* __RDSEEDINTRIN_H */
57