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1 | /*===---- cldemoteintrin.h - CLDEMOTE 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 | #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H |
11 | #error "Never use <cldemoteintrin.h> directly; include <x86intrin.h> instead." |
12 | #endif |
13 | |
14 | #ifndef __CLDEMOTEINTRIN_H |
15 | #define __CLDEMOTEINTRIN_H |
16 | |
17 | /* Define the default attributes for the functions in this file. */ |
18 | #define __DEFAULT_FN_ATTRS \ |
19 | __attribute__((__always_inline__, __nodebug__, __target__("cldemote"))) |
20 | |
21 | /// Hint to hardware that the cache line that contains \p __P should be demoted |
22 | /// from the cache closest to the processor core to a level more distant from |
23 | /// the processor core. |
24 | /// |
25 | /// \headerfile <x86intrin.h> |
26 | /// |
27 | /// This intrinsic corresponds to the <c> CLDEMOTE </c> instruction. |
28 | static __inline__ void __DEFAULT_FN_ATTRS |
29 | _cldemote(const void * __P) { |
30 | __builtin_ia32_cldemote(__P); |
31 | } |
32 | |
33 | #define _mm_cldemote(p) _cldemote(p) |
34 | #undef __DEFAULT_FN_ATTRS |
35 | |
36 | #endif |
37 |
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