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62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
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/*===---- prfchiintrin.h - PREFETCHI intrinsic -----------------------------===
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*
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* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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* See https://llvm.org/LICENSE.txt for license information.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*
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*===-----------------------------------------------------------------------===
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*/
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#ifndef __PRFCHIINTRIN_H
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#define __PRFCHIINTRIN_H
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#ifdef __x86_64__
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/* Define the default attributes for the functions in this file. */
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#define __DEFAULT_FN_ATTRS \
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__attribute__((__always_inline__, __nodebug__, __target__("prefetchi")))
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/// Loads an instruction sequence containing the specified memory address into
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/// all level cache.
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///
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/// Note that the effect of this intrinsic is dependent on the processor
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/// implementation.
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///
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/// \headerfile <x86intrin.h>
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///
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/// This intrinsic corresponds to the \c PREFETCHIT0 instruction.
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///
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/// \param __P
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/// A pointer specifying the memory address to be prefetched.
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static __inline__ void __DEFAULT_FN_ATTRS
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_m_prefetchit0(volatile const void *__P) {
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wcast-qual"
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__builtin_ia32_prefetchi((const void *)__P, 3 /* _MM_HINT_T0 */);
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#pragma clang diagnostic pop
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}
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/// Loads an instruction sequence containing the specified memory address into
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/// all but the first-level cache.
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///
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/// Note that the effect of this intrinsic is dependent on the processor
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/// implementation.
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///
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/// \headerfile <x86intrin.h>
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///
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/// This intrinsic corresponds to the \c PREFETCHIT1 instruction.
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///
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/// \param __P
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/// A pointer specifying the memory address to be prefetched.
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static __inline__ void __DEFAULT_FN_ATTRS
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_m_prefetchit1(volatile const void *__P) {
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wcast-qual"
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__builtin_ia32_prefetchi((const void *)__P, 2 /* _MM_HINT_T1 */);
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#pragma clang diagnostic pop
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}
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#endif /* __x86_64__ */
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#undef __DEFAULT_FN_ATTRS
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#endif /* __PRFCHWINTRIN_H */
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