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39 lines
1.2 KiB
C
Vendored
39 lines
1.2 KiB
C
Vendored
/*===---- clwbintrin.h - CLWB intrinsic ------------------------------------===
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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 __IMMINTRIN_H
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#error "Never use <clwbintrin.h> directly; include <immintrin.h> instead."
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#endif
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#ifndef __CLWBINTRIN_H
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#define __CLWBINTRIN_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__("clwb")))
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/// Writes back to memory the cache line (if modified) that contains the
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/// linear address specified in \a __p from any level of the cache hierarchy in
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/// the cache coherence domain
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///
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/// \headerfile <immintrin.h>
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///
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/// This intrinsic corresponds to the <c> CLWB </c> instruction.
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///
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/// \param __p
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/// A pointer to the memory location used to identify the cache line to be
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/// written back.
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static __inline__ void __DEFAULT_FN_ATTRS
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_mm_clwb(void const *__p) {
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__builtin_ia32_clwb(__p);
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}
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#undef __DEFAULT_FN_ATTRS
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#endif
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