cldemoteintrin.h (1207B) - Raw
1 /*===---- cldemoteintrin.h - CLDEMOTE 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 #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H 11 #error "Never use <cldemoteintrin.h> directly; include <x86intrin.h> instead." 12 #endif 13 14 #ifndef __CLDEMOTEINTRIN_H 15 #define __CLDEMOTEINTRIN_H 16 17 /* Define the default attributes for the functions in this file. */ 18 #define __DEFAULT_FN_ATTRS \ 19 __attribute__((__always_inline__, __nodebug__, __target__("cldemote"))) 20 21 /// Hint to hardware that the cache line that contains \p __P should be demoted 22 /// from the cache closest to the processor core to a level more distant from 23 /// the processor core. 24 /// 25 /// \headerfile <x86intrin.h> 26 /// 27 /// This intrinsic corresponds to the <c> CLDEMOTE </c> instruction. 28 static __inline__ void __DEFAULT_FN_ATTRS 29 _cldemote(const void * __P) { 30 __builtin_ia32_cldemote(__P); 31 } 32 33 #define _mm_cldemote(p) _cldemote(p) 34 #undef __DEFAULT_FN_ATTRS 35 36 #endif