clwbintrin.h revision 360660
1/*===---- clwbintrin.h - CLWB intrinsic ------------------------------------=== 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 10#ifndef __IMMINTRIN_H 11#error "Never use <clwbintrin.h> directly; include <immintrin.h> instead." 12#endif 13 14#ifndef __CLWBINTRIN_H 15#define __CLWBINTRIN_H 16 17/* Define the default attributes for the functions in this file. */ 18#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("clwb"))) 19 20/// Writes back to memory the cache line (if modified) that contains the 21/// linear address specified in \a __p from any level of the cache hierarchy in 22/// the cache coherence domain 23/// 24/// \headerfile <immintrin.h> 25/// 26/// This intrinsic corresponds to the <c> CLWB </c> instruction. 27/// 28/// \param __p 29/// A pointer to the memory location used to identify the cache line to be 30/// written back. 31static __inline__ void __DEFAULT_FN_ATTRS 32_mm_clwb(void const *__p) { 33 __builtin_ia32_clwb(__p); 34} 35 36#undef __DEFAULT_FN_ATTRS 37 38#endif 39