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  1. /*===---- cldemoteintrin.h - CLDEMOTE intrinsic ----------------------------===
  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. #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
  11. #error "Never use <cldemoteintrin.h> directly; include <x86intrin.h> instead."
  12. #endif
  13.  
  14. #ifndef __CLDEMOTEINTRIN_H
  15. #define __CLDEMOTEINTRIN_H
  16.  
  17. /* Define the default attributes for the functions in this file. */
  18. #define __DEFAULT_FN_ATTRS \
  19.   __attribute__((__always_inline__, __nodebug__,  __target__("cldemote")))
  20.  
  21. /// Hint to hardware that the cache line that contains \p __P should be demoted
  22. /// from the cache closest to the processor core to a level more distant from
  23. /// the processor core.
  24. ///
  25. /// \headerfile <x86intrin.h>
  26. ///
  27. /// This intrinsic corresponds to the <c> CLDEMOTE </c> instruction.
  28. static __inline__ void __DEFAULT_FN_ATTRS
  29. _cldemote(const void * __P) {
  30.   __builtin_ia32_cldemote(__P);
  31. }
  32.  
  33. #define _mm_cldemote(p) _cldemote(p)
  34. #undef __DEFAULT_FN_ATTRS
  35.  
  36. #endif
  37.