clang/lib/Headers/rdseedintrin.h

   1 /*===---- rdseedintrin.h - RDSEED 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 #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
  11 #error "Never use <rdseedintrin.h> directly; include <x86intrin.h> instead."
  12 #endif
  13
  14 #ifndef __RDSEEDINTRIN_H
  15 #define __RDSEEDINTRIN_H
  16
  17 /* Define the default attributes for the functions in this file. */
  18 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("rdseed")))
  19
  20 static __inline__ int __DEFAULT_FN_ATTRS
  21 _rdseed16_step(unsigned short *__p)
  22 {
  23   return (int) __builtin_ia32_rdseed16_step(__p);
  24 }
  25
  26 static __inline__ int __DEFAULT_FN_ATTRS
  27 _rdseed32_step(unsigned int *__p)
  28 {
  29   return (int) __builtin_ia32_rdseed32_step(__p);
  30 }
  31
  32 #ifdef __x86_64__
  33 static __inline__ int __DEFAULT_FN_ATTRS
  34 _rdseed64_step(unsigned long long *__p)
  35 {
  36   return (int) __builtin_ia32_rdseed64_step(__p);
  37 }
  38 #endif
  39
  40 #undef __DEFAULT_FN_ATTRS
  41
  42 #endif /* __RDSEEDINTRIN_H */