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