clang/lib/Headers/usermsrintrin.h

   1 /*===--------------- usermsrintrin.h - USERMSR 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 #ifndef __X86GPRINTRIN_H
  10 #error "Never use <usermsrintrin.h> directly; include <x86gprintrin.h> instead."
  11 #endif // __X86GPRINTRIN_H
  12
  13 #ifndef __USERMSRINTRIN_H
  14 #define __USERMSRINTRIN_H
  15 #ifdef __x86_64__
  16
  17 static __inline__ unsigned long long
  18     __attribute__((__always_inline__, __nodebug__, __target__("usermsr")))
  19     _urdmsr(unsigned long long __A) {
  20   return __builtin_ia32_urdmsr(__A);
  21 }
  22
  23 static __inline__ void
  24     __attribute__((__always_inline__, __nodebug__, __target__("usermsr")))
  25     _uwrmsr(unsigned long long __A, unsigned long long __B) {
  26   return __builtin_ia32_uwrmsr(__A, __B);
  27 }
  28
  29 #endif // __x86_64__
  30 #endif // __USERMSRINTRIN_H