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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | /*===---- prfchiintrin.h - PREFETCHI intrinsic -----------------------------=== |
| 2 | * |
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| 3 | * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | * See https://llvm.org/LICENSE.txt for license information. |
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| 5 | * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | * |
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| 7 | *===-----------------------------------------------------------------------=== |
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| 8 | */ |
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| 9 | |||
| 10 | #ifndef __PRFCHIINTRIN_H |
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| 11 | #define __PRFCHIINTRIN_H |
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| 12 | |||
| 13 | #ifdef __x86_64__ |
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| 14 | |||
| 15 | /* Define the default attributes for the functions in this file. */ |
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| 16 | #define __DEFAULT_FN_ATTRS \ |
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| 17 | __attribute__((__always_inline__, __nodebug__, __target__("prefetchi"))) |
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| 18 | |||
| 19 | /// Loads an instruction sequence containing the specified memory address into |
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| 20 | /// all level cache. |
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| 21 | /// |
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| 22 | /// Note that the effect of this intrinsic is dependent on the processor |
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| 23 | /// implementation. |
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| 24 | /// |
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| 25 | /// \headerfile <x86intrin.h> |
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| 26 | /// |
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| 27 | /// This intrinsic corresponds to the \c PREFETCHIT0 instruction. |
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| 28 | /// |
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| 29 | /// \param __P |
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| 30 | /// A pointer specifying the memory address to be prefetched. |
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| 31 | static __inline__ void __DEFAULT_FN_ATTRS |
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| 32 | _m_prefetchit0(volatile const void *__P) { |
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| 33 | #pragma clang diagnostic push |
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| 34 | #pragma clang diagnostic ignored "-Wcast-qual" |
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| 35 | __builtin_ia32_prefetchi((const void *)__P, 3 /* _MM_HINT_T0 */); |
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| 36 | #pragma clang diagnostic pop |
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| 37 | } |
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| 38 | |||
| 39 | /// Loads an instruction sequence containing the specified memory address into |
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| 40 | /// all but the first-level cache. |
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| 41 | /// |
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| 42 | /// Note that the effect of this intrinsic is dependent on the processor |
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| 43 | /// implementation. |
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| 44 | /// |
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| 45 | /// \headerfile <x86intrin.h> |
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| 46 | /// |
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| 47 | /// This intrinsic corresponds to the \c PREFETCHIT1 instruction. |
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| 48 | /// |
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| 49 | /// \param __P |
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| 50 | /// A pointer specifying the memory address to be prefetched. |
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| 51 | static __inline__ void __DEFAULT_FN_ATTRS |
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| 52 | _m_prefetchit1(volatile const void *__P) { |
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| 53 | #pragma clang diagnostic push |
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| 54 | #pragma clang diagnostic ignored "-Wcast-qual" |
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| 55 | __builtin_ia32_prefetchi((const void *)__P, 2 /* _MM_HINT_T1 */); |
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| 56 | #pragma clang diagnostic pop |
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| 57 | } |
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| 58 | #endif /* __x86_64__ */ |
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| 59 | #undef __DEFAULT_FN_ATTRS |
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| 60 | |||
| 61 | #endif /* __PRFCHWINTRIN_H */ |