clang 20.0.0git
clwbintrin.h
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1/*===---- clwbintrin.h - CLWB intrinsic ------------------------------------===
2 *
3 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 * See https://llvm.org/LICENSE.txt for license information.
5 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 *
7 *===-----------------------------------------------------------------------===
8 */
9
10#ifndef __IMMINTRIN_H
11#error "Never use <clwbintrin.h> directly; include <immintrin.h> instead."
12#endif
13
14#ifndef __CLWBINTRIN_H
15#define __CLWBINTRIN_H
16
17/* Define the default attributes for the functions in this file. */
18#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("clwb")))
19
20/// Writes back to memory the cache line (if modified) that contains the
21/// linear address specified in \a __p from any level of the cache hierarchy in
22/// the cache coherence domain
23///
24/// \headerfile <immintrin.h>
25///
26/// This intrinsic corresponds to the <c> CLWB </c> instruction.
27///
28/// \param __p
29/// A pointer to the memory location used to identify the cache line to be
30/// written back.
31static __inline__ void __DEFAULT_FN_ATTRS
32_mm_clwb(void const *__p) {
33 __builtin_ia32_clwb(__p);
34}
35
36#undef __DEFAULT_FN_ATTRS
37
38#endif
static __inline__ uint32_t volatile uint32_t * __p
Definition: arm_acle.h:88
static __inline__ void __DEFAULT_FN_ATTRS _mm_clwb(void const *__p)
Writes back to memory the cache line (if modified) that contains the linear address specified in __p ...
Definition: clwbintrin.h:32
#define __DEFAULT_FN_ATTRS
Definition: clwbintrin.h:18