clang/lib/Headers/waitpkgintrin.h

   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 */