1 /*===---- prfchwintrin.h - PREFETCHW intrinsic -----------------------------===
2  *
3  * Permission is hereby granted, free of charge, to any person obtaining a copy
4  * of this software and associated documentation files (the "Software"), to deal
5  * in the Software without restriction, including without limitation the rights
6  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7  * copies of the Software, and to permit persons to whom the Software is
8  * furnished to do so, subject to the following conditions:
9  *
10  * The above copyright notice and this permission notice shall be included in
11  * all copies or substantial portions of the Software.
12  *
13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19  * THE SOFTWARE.
20  *
21  *===-----------------------------------------------------------------------===
22  */
23 
24 #if !defined(__X86INTRIN_H) && !defined(_MM3DNOW_H_INCLUDED)
25 #error "Never use <prfchwintrin.h> directly; include <x86intrin.h> or <mm3dnow.h> instead."
26 #endif
27 
28 #ifndef __PRFCHWINTRIN_H
29 #define __PRFCHWINTRIN_H
30 
31 #if defined(__PRFCHW__) || defined(__3dNOW__)
32 static __inline__ void __attribute__((__always_inline__, __nodebug__))
_m_prefetch(void * __P)33 _m_prefetch(void *__P)
34 {
35   __builtin_prefetch (__P, 0, 3 /* _MM_HINT_T0 */);
36 }
37 
38 static __inline__ void __attribute__((__always_inline__, __nodebug__))
_m_prefetchw(void * __P)39 _m_prefetchw(void *__P)
40 {
41   __builtin_prefetch (__P, 1, 3 /* _MM_HINT_T0 */);
42 }
43 #endif
44 
45 #endif /* __PRFCHWINTRIN_H */
46