1 /* Copyright (C) 2012-2013 Free Software Foundation, Inc. 2 3 This file is part of GCC. 4 5 GCC is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3, or (at your option) 8 any later version. 9 10 GCC is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 Under Section 7 of GPL version 3, you are granted additional 16 permissions described in the GCC Runtime Library Exception, version 17 3.1, as published by the Free Software Foundation. 18 19 You should have received a copy of the GNU General Public License and 20 a copy of the GCC Runtime Library Exception along with this program; 21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 22 <http://www.gnu.org/licenses/>. */ 23 24 #if !defined _X86INTRIN_H_INCLUDED 25 # error "Never use <rdseedintrin.h> directly; include <x86intrin.h> instead." 26 #endif 27 28 #ifndef __RDSEED__ 29 # error "RDSEED instruction not enabled" 30 #endif /* __RDSEED__ */ 31 32 #ifndef _RDSEEDINTRIN_H_INCLUDED 33 #define _RDSEEDINTRIN_H_INCLUDED 34 35 extern __inline int 36 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 37 _rdseed16_step (unsigned short *p) 38 { 39 return __builtin_ia32_rdseed_hi_step (p); 40 } 41 42 extern __inline int 43 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 44 _rdseed32_step (unsigned int *p) 45 { 46 return __builtin_ia32_rdseed_si_step (p); 47 } 48 49 #ifdef __x86_64__ 50 extern __inline int 51 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) 52 _rdseed64_step (unsigned long long *p) 53 { 54 return __builtin_ia32_rdseed_di_step (p); 55 } 56 #endif 57 58 #endif /* _RDSEEDINTRIN_H_INCLUDED */ 59
