clzerointrin.h revision 341825
1317019Sdim/*===----------------------- clzerointrin.h - CLZERO ----------------------=== 2317019Sdim * 3317019Sdim * Permission is hereby granted, free of charge, to any person obtaining a copy 4317019Sdim * of this software and associated documentation files (the "Software"), to deal 5317019Sdim * in the Software without restriction, including without limitation the rights 6317019Sdim * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7317019Sdim * copies of the Software, and to permit persons to whom the Software is 8317019Sdim * furnished to do so, subject to the following conditions: 9317019Sdim * 10317019Sdim * The above copyright notice and this permission notice shall be included in 11317019Sdim * all copies or substantial portions of the Software. 12317019Sdim * 13317019Sdim * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14317019Sdim * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15317019Sdim * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16317019Sdim * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17317019Sdim * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18317019Sdim * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19317019Sdim * THE SOFTWARE. 20317019Sdim * 21317019Sdim *===-----------------------------------------------------------------------=== 22317019Sdim */ 23341825Sdim#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H 24317019Sdim#error "Never use <clzerointrin.h> directly; include <x86intrin.h> instead." 25317019Sdim#endif 26317019Sdim 27341825Sdim#ifndef __CLZEROINTRIN_H 28341825Sdim#define __CLZEROINTRIN_H 29317019Sdim 30317019Sdim/* Define the default attributes for the functions in this file. */ 31317019Sdim#define __DEFAULT_FN_ATTRS \ 32317019Sdim __attribute__((__always_inline__, __nodebug__, __target__("clzero"))) 33317019Sdim 34341825Sdim/// Loads the cache line address and zero's out the cacheline 35317019Sdim/// 36317019Sdim/// \headerfile <clzerointrin.h> 37317019Sdim/// 38317019Sdim/// This intrinsic corresponds to the <c> CLZERO </c> instruction. 39317019Sdim/// 40317019Sdim/// \param __line 41317019Sdim/// A pointer to a cacheline which needs to be zeroed out. 42317019Sdimstatic __inline__ void __DEFAULT_FN_ATTRS 43317019Sdim_mm_clzero (void * __line) 44317019Sdim{ 45317019Sdim __builtin_ia32_clzero ((void *)__line); 46317019Sdim} 47317019Sdim 48341825Sdim#undef __DEFAULT_FN_ATTRS 49317019Sdim 50341825Sdim#endif /* __CLZEROINTRIN_H */ 51