clang/lib/Headers/pkuintrin.h

   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