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| 1 | /*===---- clflushoptintrin.h - CLFLUSHOPT 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 __IMMINTRIN_H |
| 11 | #error "Never use <clflushoptintrin.h> directly; include <immintrin.h> instead." |
| 12 | #endif |
| 13 | |
| 14 | #ifndef __CLFLUSHOPTINTRIN_H |
| 15 | #define __CLFLUSHOPTINTRIN_H |
| 16 | |
| 17 | /* Define the default attributes for the functions in this file. */ |
| 18 | #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("clflushopt"))) |
| 19 | |
| 20 | /// Invalidates all levels of the cache hierarchy and flushes modified data to |
| 21 | /// memory for the cache line specified by the address \a __m. |
| 22 | /// |
| 23 | /// \headerfile <immintrin.h> |
| 24 | /// |
| 25 | /// This intrinsic corresponds to the \c CLFLUSHOPT instruction. |
| 26 | /// |
| 27 | /// \param __m |
| 28 | /// An address within the cache line to flush and invalidate. |
| 29 | static __inline__ void __DEFAULT_FN_ATTRS |
| 30 | _mm_clflushopt(void const * __m) { |
| 31 | __builtin_ia32_clflushopt(__m); |
| 32 | } |
| 33 | |
| 34 | #undef __DEFAULT_FN_ATTRS |
| 35 | |
| 36 | #endif |
| 37 |
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