clang API Documentation

prfchwintrin.h
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00001 /*===---- prfchwintrin.h - PREFETCHW intrinsic -----------------------------===
00002  *
00003  * Permission is hereby granted, free of charge, to any person obtaining a copy
00004  * of this software and associated documentation files (the "Software"), to deal
00005  * in the Software without restriction, including without limitation the rights
00006  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00007  * copies of the Software, and to permit persons to whom the Software is
00008  * furnished to do so, subject to the following conditions:
00009  *
00010  * The above copyright notice and this permission notice shall be included in
00011  * all copies or substantial portions of the Software.
00012  *
00013  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00014  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00015  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00016  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00017  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00018  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00019  * THE SOFTWARE.
00020  *
00021  *===-----------------------------------------------------------------------===
00022  */
00023 
00024 #if !defined(__X86INTRIN_H) && !defined(_MM3DNOW_H_INCLUDED)
00025 #error "Never use <prfchwintrin.h> directly; include <x86intrin.h> or <mm3dnow.h> instead."
00026 #endif
00027 
00028 #ifndef __PRFCHWINTRIN_H
00029 #define __PRFCHWINTRIN_H
00030 
00031 #if defined(__PRFCHW__) || defined(__3dNOW__)
00032 static __inline__ void __attribute__((__always_inline__, __nodebug__))
00033 _m_prefetchw(void *__P)
00034 {
00035   __builtin_prefetch (__P, 1, 3 /* _MM_HINT_T0 */);
00036 }
00037 #endif
00038 
00039 #endif /* __PRFCHWINTRIN_H */