diff options
Diffstat (limited to 'lib/Headers/waitpkgintrin.h')
-rw-r--r-- | lib/Headers/waitpkgintrin.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/lib/Headers/waitpkgintrin.h b/lib/Headers/waitpkgintrin.h new file mode 100644 index 0000000000000..e29d6cfa5a511 --- /dev/null +++ b/lib/Headers/waitpkgintrin.h @@ -0,0 +1,56 @@ +/*===----------------------- waitpkgintrin.h - WAITPKG --------------------=== + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + *===-----------------------------------------------------------------------=== + */ +#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 */ |