zig/lib/include/cldemoteintrin.h
2020-08-04 17:17:48 -07:00

37 lines
1.2 KiB
C
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/*===---- cldemoteintrin.h - CLDEMOTE intrinsic ----------------------------===
*
* 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 <cldemoteintrin.h> directly; include <x86intrin.h> instead."
#endif
#ifndef __CLDEMOTEINTRIN_H
#define __CLDEMOTEINTRIN_H
/* Define the default attributes for the functions in this file. */
#define __DEFAULT_FN_ATTRS \
__attribute__((__always_inline__, __nodebug__, __target__("cldemote")))
/// Hint to hardware that the cache line that contains \p __P should be demoted
/// from the cache closest to the processor core to a level more distant from
/// the processor core.
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the <c> CLDEMOTE </c> instruction.
static __inline__ void __DEFAULT_FN_ATTRS
_cldemote(const void * __P) {
__builtin_ia32_cldemote(__P);
}
#define _mm_cldemote(p) _cldemote(p)
#undef __DEFAULT_FN_ATTRS
#endif