/*===---- mwaitxintrin.h - MONITORX/MWAITX intrinsics ----------------------=== * * 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 * *===-----------------------------------------------------------------------=== */ #ifndef __X86INTRIN_H #error "Never use directly; include instead." #endif #ifndef __MWAITXINTRIN_H #define __MWAITXINTRIN_H /* 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 /// /// 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 /// /// 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) { __builtin_ia32_mwaitx(__extensions, __hints, __clock); } #undef __DEFAULT_FN_ATTRS #endif /* __MWAITXINTRIN_H */