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      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 #ifdef __RDSEED__
     29 static __inline__ int __attribute__((__always_inline__, __nodebug__))
     30 _rdseed16_step(unsigned short *__p)
     31 {
     32   return __builtin_ia32_rdseed16_step(__p);
     33 }
     34 
     35 static __inline__ int __attribute__((__always_inline__, __nodebug__))
     36 _rdseed32_step(unsigned int *__p)
     37 {
     38   return __builtin_ia32_rdseed32_step(__p);
     39 }
     40 
     41 #ifdef __x86_64__
     42 static __inline__ int __attribute__((__always_inline__, __nodebug__))
     43 _rdseed64_step(unsigned long long *__p)
     44 {
     45   return __builtin_ia32_rdseed64_step(__p);
     46 }
     47 #endif
     48 #endif /* __RDSEED__ */
     49