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 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 */