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  1. /*===----------------------- waitpkgintrin.h - WAITPKG --------------------===
  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. #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
  10. #error "Never use <waitpkgintrin.h> directly; include <x86intrin.h> instead."
  11. #endif
  12.  
  13. #ifndef __WAITPKGINTRIN_H
  14. #define __WAITPKGINTRIN_H
  15.  
  16. /* Define the default attributes for the functions in this file. */
  17. #define __DEFAULT_FN_ATTRS \
  18.   __attribute__((__always_inline__, __nodebug__,  __target__("waitpkg")))
  19.  
  20. static __inline__ void __DEFAULT_FN_ATTRS
  21. _umonitor (void * __address)
  22. {
  23.   __builtin_ia32_umonitor (__address);
  24. }
  25.  
  26. static __inline__ unsigned char __DEFAULT_FN_ATTRS
  27. _umwait (unsigned int __control, unsigned long long __counter)
  28. {
  29.   return __builtin_ia32_umwait (__control,
  30.     (unsigned int)(__counter >> 32), (unsigned int)__counter);
  31. }
  32.  
  33. static __inline__ unsigned char __DEFAULT_FN_ATTRS
  34. _tpause (unsigned int __control, unsigned long long __counter)
  35. {
  36.   return __builtin_ia32_tpause (__control,
  37.     (unsigned int)(__counter >> 32), (unsigned int)__counter);
  38. }
  39.  
  40. #undef __DEFAULT_FN_ATTRS
  41.  
  42. #endif /* __WAITPKGINTRIN_H */
  43.