clang  12.0.0git
cldemoteintrin.h
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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
#define __DEFAULT_FN_ATTRS
static __inline__ void __DEFAULT_FN_ATTRS _cldemote(const void *__P)
Hint to hardware that the cache line that contains __P should be demoted from the cache closest to th...