1/*===----------------------- clzerointrin.h - CLZERO ----------------------=== 2 * 3 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 * See https://llvm.org/LICENSE.txt for license information. 5 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 * 7 *===-----------------------------------------------------------------------=== 8 */ 9#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H 10#error "Never use <clzerointrin.h> directly; include <x86intrin.h> instead." 11#endif 12 13#ifndef __CLZEROINTRIN_H 14#define __CLZEROINTRIN_H 15 16/* Define the default attributes for the functions in this file. */ 17#define __DEFAULT_FN_ATTRS \ 18 __attribute__((__always_inline__, __nodebug__, __target__("clzero"))) 19 20/// Loads the cache line address and zero's out the cacheline 21/// 22/// \headerfile <clzerointrin.h> 23/// 24/// This intrinsic corresponds to the <c> CLZERO </c> instruction. 25/// 26/// \param __line 27/// A pointer to a cacheline which needs to be zeroed out. 28static __inline__ void __DEFAULT_FN_ATTRS 29_mm_clzero (void * __line) 30{ 31 __builtin_ia32_clzero ((void *)__line); 32} 33 34#undef __DEFAULT_FN_ATTRS 35 36#endif /* __CLZEROINTRIN_H */ 37