llvm-project/clang/lib/Headers/waitpkgintrin.h

/*===----------------------- waitpkgintrin.h - WAITPKG --------------------===
 *
 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 * See https://llvm.org/LICENSE.txt for license information.
 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 *
 *===-----------------------------------------------------------------------===
 */
#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
#error "Never use <waitpkgintrin.h> directly; include <x86intrin.h> instead."
#endif

#ifndef __WAITPKGINTRIN_H
#define __WAITPKGINTRIN_H

/* Define the default attributes for the functions in this file. */
#define __DEFAULT_FN_ATTRS \
  __attribute__((__always_inline__, __nodebug__,  __target__("waitpkg")))

static __inline__ void __DEFAULT_FN_ATTRS
_umonitor (void * __address)
{
  __builtin_ia32_umonitor (__address);
}

static __inline__ unsigned char __DEFAULT_FN_ATTRS
_umwait (unsigned int __control, unsigned long long __counter)
{
  return __builtin_ia32_umwait (__control,
    (unsigned int)(__counter >> 32), (unsigned int)__counter);
}

static __inline__ unsigned char __DEFAULT_FN_ATTRS
_tpause (unsigned int __control, unsigned long long __counter)
{
  return __builtin_ia32_tpause (__control,
    (unsigned int)(__counter >> 32), (unsigned int)__counter);
}

#undef __DEFAULT_FN_ATTRS

#endif /* __WAITPKGINTRIN_H */