clang/lib/Headers/cldemoteintrin.h

   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