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  1. /*===---- pkuintrin.h - PKU intrinsics -------------------------------------===
  2.  *
  3.  *
  4.  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  5.  * See https://llvm.org/LICENSE.txt for license information.
  6.  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  7.  *
  8.  *===-----------------------------------------------------------------------===
  9.  */
  10. #ifndef __IMMINTRIN_H
  11. #error "Never use <pkuintrin.h> directly; include <immintrin.h> instead."
  12. #endif
  13.  
  14. #ifndef __PKUINTRIN_H
  15. #define __PKUINTRIN_H
  16.  
  17. /* Define the default attributes for the functions in this file. */
  18. #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("pku")))
  19.  
  20. static __inline__ unsigned int __DEFAULT_FN_ATTRS
  21. _rdpkru_u32(void)
  22. {
  23.   return __builtin_ia32_rdpkru();
  24. }
  25.  
  26. static __inline__ void __DEFAULT_FN_ATTRS
  27. _wrpkru(unsigned int __val)
  28. {
  29.   __builtin_ia32_wrpkru(__val);
  30. }
  31.  
  32. #undef __DEFAULT_FN_ATTRS
  33.  
  34. #endif
  35.