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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. |
31 | static __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 |
39 |
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