1  /* Copyright (C) 2022-2023 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 _X86GPRINTRIN_H_INCLUDED
      25  # error "Never use <prfchiintrin.h> directly; include <x86gprintrin.h> instead."
      26  #endif
      27  
      28  #ifndef _PRFCHIINTRIN_H_INCLUDED
      29  #define _PRFCHIINTRIN_H_INCLUDED
      30  
      31  #ifdef __x86_64__
      32  
      33  
      34  #ifndef __PREFETCHI__
      35  #pragma GCC push_options
      36  #pragma GCC target("prefetchi")
      37  #define __DISABLE_PREFETCHI__
      38  #endif /* __PREFETCHI__ */
      39  
      40  extern __inline void
      41  __attribute__((__gnu_inline__, __always_inline__, __artificial__))
      42  _m_prefetchit0 (void* __P)
      43  {
      44    __builtin_ia32_prefetchi (__P, 3);
      45  }
      46  
      47  extern __inline void
      48  __attribute__((__gnu_inline__, __always_inline__, __artificial__))
      49  _m_prefetchit1 (void* __P)
      50  {
      51    __builtin_ia32_prefetchi (__P, 2);
      52  }
      53  
      54  #ifdef __DISABLE_PREFETCHI__
      55  #undef __DISABLE_PREFETCHI__
      56  #pragma GCC pop_options
      57  #endif /* __DISABLE_PREFETCHI__ */
      58  
      59  #endif /* __x86_64__ */
      60  
      61  #endif /* _PRFCHIINTRIN_H_INCLUDED */