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      1 /* Copyright (C) 2021-2022 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 #ifndef _MWAITINTRIN_H_INCLUDED
     25 #define _MWAITINTRIN_H_INCLUDED
     26 
     27 #ifndef __MWAIT__
     28 #pragma GCC push_options
     29 #pragma GCC target("mwait")
     30 #define __DISABLE_MWAIT__
     31 #endif /* __MWAIT__ */
     32 
     33 extern __inline void
     34 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     35 _mm_monitor (void const * __P, unsigned int __E, unsigned int __H)
     36 {
     37   __builtin_ia32_monitor (__P, __E, __H);
     38 }
     39 
     40 extern __inline void
     41 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     42 _mm_mwait (unsigned int __E, unsigned int __H)
     43 {
     44   __builtin_ia32_mwait (__E, __H);
     45 }
     46 
     47 #ifdef __DISABLE_MWAIT__
     48 #undef __DISABLE_MWAIT__
     49 #pragma GCC pop_options
     50 #endif /* __DISABLE_MWAIT__ */
     51 
     52 #endif /* _MWAITINTRIN_H_INCLUDED */
     53