| 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 */ |