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63 lines
2.2 KiB
C
Vendored
63 lines
2.2 KiB
C
Vendored
/*===---- mwaitxintrin.h - MONITORX/MWAITX intrinsics ----------------------===
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*
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* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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* See https://llvm.org/LICENSE.txt for license information.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*
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*===-----------------------------------------------------------------------===
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*/
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#ifndef __X86INTRIN_H
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#error "Never use <mwaitxintrin.h> directly; include <x86intrin.h> instead."
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#endif
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#ifndef __MWAITXINTRIN_H
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#define __MWAITXINTRIN_H
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/* Define the default attributes for the functions in this file. */
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#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("mwaitx")))
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/// Establishes a linear address memory range to be monitored and puts
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/// the processor in the monitor event pending state. Data stored in the
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/// monitored address range causes the processor to exit the pending state.
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///
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/// \headerfile <x86intrin.h>
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///
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/// This intrinsic corresponds to the \c MONITORX instruction.
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///
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/// \param __p
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/// The memory range to be monitored. The size of the range is determined by
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/// CPUID function 0000_0005h.
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/// \param __extensions
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/// Optional extensions for the monitoring state.
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/// \param __hints
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/// Optional hints for the monitoring state.
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static __inline__ void __DEFAULT_FN_ATTRS
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_mm_monitorx(void * __p, unsigned __extensions, unsigned __hints)
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{
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__builtin_ia32_monitorx(__p, __extensions, __hints);
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}
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/// Used with the \c MONITORX instruction to wait while the processor is in
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/// the monitor event pending state. Data stored in the monitored address
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/// range, or an interrupt, causes the processor to exit the pending state.
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///
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/// \headerfile <x86intrin.h>
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///
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/// This intrinsic corresponds to the \c MWAITX instruction.
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///
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/// \param __extensions
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/// Optional extensions for the monitoring state, which can vary by
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/// processor.
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/// \param __hints
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/// Optional hints for the monitoring state, which can vary by processor.
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static __inline__ void __DEFAULT_FN_ATTRS
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_mm_mwaitx(unsigned __extensions, unsigned __hints, unsigned __clock)
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{
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__builtin_ia32_mwaitx(__extensions, __hints, __clock);
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}
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#undef __DEFAULT_FN_ATTRS
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#endif /* __MWAITXINTRIN_H */
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