zig/lib/include/waitpkgintrin.h
Andrew Kelley 2117fbdae3
update C headers to llvm9
upstream commit 1931d3cb20a00da732c5210b123656632982fde0
2019-07-19 16:50:45 -04:00

43 lines
1.3 KiB
C
Vendored

/*===----------------------- 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 */