xtestintrin.h 1.6 KB

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  1. /* Copyright (C) 2012-2019 Free Software Foundation, Inc.
  2. This file is part of GCC.
  3. GCC is free software; you can redistribute it and/or modify
  4. it under the terms of the GNU General Public License as published by
  5. the Free Software Foundation; either version 3, or (at your option)
  6. any later version.
  7. GCC is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10. GNU General Public License for more details.
  11. Under Section 7 of GPL version 3, you are granted additional
  12. permissions described in the GCC Runtime Library Exception, version
  13. 3.1, as published by the Free Software Foundation.
  14. You should have received a copy of the GNU General Public License and
  15. a copy of the GCC Runtime Library Exception along with this program;
  16. see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
  17. <http://www.gnu.org/licenses/>. */
  18. #ifndef _IMMINTRIN_H_INCLUDED
  19. # error "Never use <xtestintrin.h> directly; include <immintrin.h> instead."
  20. #endif
  21. #ifndef _XTESTINTRIN_H_INCLUDED
  22. #define _XTESTINTRIN_H_INCLUDED
  23. #ifndef __RTM__
  24. #pragma GCC push_options
  25. #pragma GCC target("rtm")
  26. #define __DISABLE_RTM__
  27. #endif /* __RTM__ */
  28. /* Return non-zero if the instruction executes inside an RTM or HLE code
  29. region. Return zero otherwise. */
  30. extern __inline int
  31. __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  32. _xtest (void)
  33. {
  34. return __builtin_ia32_xtest ();
  35. }
  36. #ifdef __DISABLE_RTM__
  37. #undef __DISABLE_RTM__
  38. #pragma GCC pop_options
  39. #endif /* __DISABLE_RTM__ */
  40. #endif /* _XTESTINTRIN_H_INCLUDED */