prfchiintrin.h (2073B) - Raw
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 */