diff options
Diffstat (limited to 'contrib/llvm-project/clang/lib/Headers/mwaitxintrin.h')
| -rw-r--r-- | contrib/llvm-project/clang/lib/Headers/mwaitxintrin.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/contrib/llvm-project/clang/lib/Headers/mwaitxintrin.h b/contrib/llvm-project/clang/lib/Headers/mwaitxintrin.h index ed485380af79..65f427105b41 100644 --- a/contrib/llvm-project/clang/lib/Headers/mwaitxintrin.h +++ b/contrib/llvm-project/clang/lib/Headers/mwaitxintrin.h @@ -16,12 +16,41 @@ /* Define the default attributes for the functions in this file. */ #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("mwaitx"))) + +/// Establishes a linear address memory range to be monitored and puts +/// the processor in the monitor event pending state. Data stored in the +/// monitored address range causes the processor to exit the pending state. +/// +/// \headerfile <x86intrin.h> +/// +/// This intrinsic corresponds to the \c MONITORX instruction. +/// +/// \param __p +/// The memory range to be monitored. The size of the range is determined by +/// CPUID function 0000_0005h. +/// \param __extensions +/// Optional extensions for the monitoring state. +/// \param __hints +/// Optional hints for the monitoring state. static __inline__ void __DEFAULT_FN_ATTRS _mm_monitorx(void * __p, unsigned __extensions, unsigned __hints) { __builtin_ia32_monitorx(__p, __extensions, __hints); } +/// Used with the \c MONITORX instruction to wait while the processor is in +/// the monitor event pending state. Data stored in the monitored address +/// range, or an interrupt, causes the processor to exit the pending state. +/// +/// \headerfile <x86intrin.h> +/// +/// This intrinsic corresponds to the \c MWAITX instruction. +/// +/// \param __extensions +/// Optional extensions for the monitoring state, which can vary by +/// processor. +/// \param __hints +/// Optional hints for the monitoring state, which can vary by processor. static __inline__ void __DEFAULT_FN_ATTRS _mm_mwaitx(unsigned __extensions, unsigned __hints, unsigned __clock) { |