diff options
Diffstat (limited to 'gcc-4.9/gcc/config/i386/rdseedintrin.h')
-rw-r--r-- | gcc-4.9/gcc/config/i386/rdseedintrin.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/i386/rdseedintrin.h b/gcc-4.9/gcc/config/i386/rdseedintrin.h new file mode 100644 index 000000000..0ab18e552 --- /dev/null +++ b/gcc-4.9/gcc/config/i386/rdseedintrin.h @@ -0,0 +1,66 @@ +/* Copyright (C) 2012-2014 Free Software Foundation, Inc. + + This file is part of GCC. + + GCC is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + GCC is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + <http://www.gnu.org/licenses/>. */ + +#if !defined _X86INTRIN_H_INCLUDED +# error "Never use <rdseedintrin.h> directly; include <x86intrin.h> instead." +#endif + +#ifndef _RDSEEDINTRIN_H_INCLUDED +#define _RDSEEDINTRIN_H_INCLUDED + +#ifndef __RDSEED__ +#pragma GCC push_options +#pragma GCC target("rdseed") +#define __DISABLE_RDSEED__ +#endif /* __RDSEED__ */ + + +extern __inline int +__attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_rdseed16_step (unsigned short *p) +{ + return __builtin_ia32_rdseed_hi_step (p); +} + +extern __inline int +__attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_rdseed32_step (unsigned int *p) +{ + return __builtin_ia32_rdseed_si_step (p); +} + +#ifdef __x86_64__ +extern __inline int +__attribute__((__gnu_inline__, __always_inline__, __artificial__)) +_rdseed64_step (unsigned long long *p) +{ + return __builtin_ia32_rdseed_di_step (p); +} +#endif + +#ifdef __DISABLE_RDSEED__ +#undef __DISABLE_RDSEED__ +#pragma GCC pop_options +#endif /* __DISABLE_RDSEED__ */ + +#endif /* _RDSEEDINTRIN_H_INCLUDED */ |