1 /* Copyright (C) 2012-2013 Free Software Foundation, Inc.
2
3 This file is part of GCC.
4
5 GCC is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3, or (at your option)
8 any later version.
9
10 GCC is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 Under Section 7 of GPL version 3, you are granted additional
16 permissions described in the GCC Runtime Library Exception, version
17 3.1, as published by the Free Software Foundation.
18
19 You should have received a copy of the GNU General Public License and
20 a copy of the GCC Runtime Library Exception along with this program;
21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
22 <http://www.gnu.org/licenses/>. */
23
24 #if !defined _X86INTRIN_H_INCLUDED && !defined _MM3DNOW_H_INCLUDED
25 # error "Never use <prfchwintrin.h> directly; include <x86intrin.h> or <mm3dnow.h> instead."
26 #endif
27
28
29 #if !defined (__PRFCHW__) && !defined (__3dNOW__)
30 # error "PRFCHW instruction not enabled"
31 #endif /* __PRFCHW__ or __3dNOW__*/
32
33 #ifndef _PRFCHWINTRIN_H_INCLUDED
34 #define _PRFCHWINTRIN_H_INCLUDED
35
36 extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
_m_prefetchw(void * __P)37 _m_prefetchw (void *__P)
38 {
39 __builtin_prefetch (__P, 1, 3 /* _MM_HINT_T0 */);
40 }
41
42 #endif /* _PRFCHWINTRIN_H_INCLUDED */
43