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#ifndef __X86INTRIN_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/// Zeroes out the cache line for the address \a __line. This uses a
21/// non-temporal store. Calling \c _mm_sfence() afterward might be needed
22/// to enforce ordering.
23///
24/// \headerfile <x86intrin.h>
25///
26/// This intrinsic corresponds to the \c CLZERO instruction.
27///
28/// \param __line
29/// An address within the cache line to zero out.
30static __inline__ void __DEFAULT_FN_ATTRS
31_mm_clzero (void * __line)
32{
33 __builtin_ia32_clzero ((void *)__line);
34}
35
36#undef __DEFAULT_FN_ATTRS
37
38#endif /* __CLZEROINTRIN_H */