Mercurial > hg > CbC > CbC_llvm
view clang/lib/Headers/clzerointrin.h @ 176:de4ac79aef9d
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 17:13:11 +0900 |
parents | 1d019706d866 |
children | 1f2b6ac9f198 |
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/*===----------------------- clzerointrin.h - CLZERO ----------------------=== * * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. * See https://llvm.org/LICENSE.txt for license information. * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception * *===-----------------------------------------------------------------------=== */ #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H #error "Never use <clzerointrin.h> directly; include <x86intrin.h> instead." #endif #ifndef __CLZEROINTRIN_H #define __CLZEROINTRIN_H /* Define the default attributes for the functions in this file. */ #define __DEFAULT_FN_ATTRS \ __attribute__((__always_inline__, __nodebug__, __target__("clzero"))) /// Loads the cache line address and zero's out the cacheline /// /// \headerfile <clzerointrin.h> /// /// This intrinsic corresponds to the <c> CLZERO </c> instruction. /// /// \param __line /// A pointer to a cacheline which needs to be zeroed out. static __inline__ void __DEFAULT_FN_ATTRS _mm_clzero (void * __line) { __builtin_ia32_clzero ((void *)__line); } #undef __DEFAULT_FN_ATTRS #endif /* __CLZEROINTRIN_H */