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  1. /*===------------- tsxldtrkintrin.h - tsxldtrk intrinsics ------------------===
  2.  *
  3.  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4.  * See https://llvm.org/LICENSE.txt for license information.
  5.  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6.  *
  7.  *===-----------------------------------------------------------------------===
  8.  */
  9.  
  10. #ifndef __IMMINTRIN_H
  11. #error "Never use <tsxldtrkintrin.h> directly; include <immintrin.h> instead."
  12. #endif
  13.  
  14. #ifndef __TSXLDTRKINTRIN_H
  15. #define __TSXLDTRKINTRIN_H
  16.  
  17. /* Define the default attributes for the functions in this file */
  18. #define _DEFAULT_FN_ATTRS \
  19.   __attribute__((__always_inline__, __nodebug__, __target__("tsxldtrk")))
  20.  
  21. /// Marks the start of an TSX (RTM) suspend load address tracking region. If
  22. ///    this intrinsic is used inside a transactional region, subsequent loads
  23. ///    are not added to the read set of the transaction. If it's used inside a
  24. ///    suspend load address tracking region it will cause transaction abort.
  25. ///    If it's used outside of a transactional region it behaves like a NOP.
  26. ///
  27. /// \headerfile <x86intrin.h>
  28. ///
  29. /// This intrinsic corresponds to the \c XSUSLDTRK instruction.
  30. ///
  31. static __inline__ void _DEFAULT_FN_ATTRS
  32. _xsusldtrk (void)
  33. {
  34.     __builtin_ia32_xsusldtrk();
  35. }
  36.  
  37. /// Marks the end of an TSX (RTM) suspend load address tracking region. If this
  38. ///    intrinsic is used inside a suspend load address tracking region it will
  39. ///    end the suspend region and all following load addresses will be added to
  40. ///    the transaction read set. If it's used inside an active transaction but
  41. ///    not in a suspend region it will cause transaction abort. If it's used
  42. ///    outside of a transactional region it behaves like a NOP.
  43. ///
  44. /// \headerfile <x86intrin.h>
  45. ///
  46. /// This intrinsic corresponds to the \c XRESLDTRK instruction.
  47. ///
  48. static __inline__ void _DEFAULT_FN_ATTRS
  49. _xresldtrk (void)
  50. {
  51.     __builtin_ia32_xresldtrk();
  52. }
  53.  
  54. #undef _DEFAULT_FN_ATTRS
  55.  
  56. #endif /* __TSXLDTRKINTRIN_H */
  57.