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1 | /*===---- prfchiintrin.h - PREFETCHI 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 __PRFCHIINTRIN_H |
11 | #define __PRFCHIINTRIN_H |
12 | |
13 | #ifdef __x86_64__ |
14 | |
15 | /* Define the default attributes for the functions in this file. */ |
16 | #define __DEFAULT_FN_ATTRS \ |
17 | __attribute__((__always_inline__, __nodebug__, __target__("prefetchi"))) |
18 | |
19 | /// Loads an instruction sequence containing the specified memory address into |
20 | /// all level cache. |
21 | /// |
22 | /// Note that the effect of this intrinsic is dependent on the processor |
23 | /// implementation. |
24 | /// |
25 | /// \headerfile <x86intrin.h> |
26 | /// |
27 | /// This intrinsic corresponds to the \c PREFETCHIT0 instruction. |
28 | /// |
29 | /// \param __P |
30 | /// A pointer specifying the memory address to be prefetched. |
31 | static __inline__ void __DEFAULT_FN_ATTRS |
32 | _m_prefetchit0(volatile const void *__P) { |
33 | #pragma clang diagnostic push |
34 | #pragma clang diagnostic ignored "-Wcast-qual" |
35 | __builtin_ia32_prefetchi((const void *)__P, 3 /* _MM_HINT_T0 */); |
36 | #pragma clang diagnostic pop |
37 | } |
38 | |
39 | /// Loads an instruction sequence containing the specified memory address into |
40 | /// all but the first-level cache. |
41 | /// |
42 | /// Note that the effect of this intrinsic is dependent on the processor |
43 | /// implementation. |
44 | /// |
45 | /// \headerfile <x86intrin.h> |
46 | /// |
47 | /// This intrinsic corresponds to the \c PREFETCHIT1 instruction. |
48 | /// |
49 | /// \param __P |
50 | /// A pointer specifying the memory address to be prefetched. |
51 | static __inline__ void __DEFAULT_FN_ATTRS |
52 | _m_prefetchit1(volatile const void *__P) { |
53 | #pragma clang diagnostic push |
54 | #pragma clang diagnostic ignored "-Wcast-qual" |
55 | __builtin_ia32_prefetchi((const void *)__P, 2 /* _MM_HINT_T1 */); |
56 | #pragma clang diagnostic pop |
57 | } |
58 | #endif /* __x86_64__ */ |
59 | #undef __DEFAULT_FN_ATTRS |
60 | |
61 | #endif /* __PRFCHWINTRIN_H */ |
62 |
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