| /*===----------------------- clzerointrin.h - CLZERO ----------------------=== |
| * |
| * 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 |
| * |
| *===-----------------------------------------------------------------------=== |
| */ |
| #ifndef __X86INTRIN_H |
| #error "Never use <clzerointrin.h> directly; include <x86intrin.h> instead." |
| #endif |
| |
| #ifndef __CLZEROINTRIN_H |
| #define __CLZEROINTRIN_H |
| |
| /* Define the default attributes for the functions in this file. */ |
| #define __DEFAULT_FN_ATTRS \ |
| __attribute__((__always_inline__, __nodebug__, __target__("clzero"))) |
| |
| /// Zeroes out the cache line for the address \a __line. This uses a |
| /// non-temporal store. Calling \c _mm_sfence() afterward might be needed |
| /// to enforce ordering. |
| /// |
| /// \headerfile <x86intrin.h> |
| /// |
| /// This intrinsic corresponds to the \c CLZERO instruction. |
| /// |
| /// \param __line |
| /// An address within the cache line to zero out. |
| static __inline__ void __DEFAULT_FN_ATTRS |
| _mm_clzero (void * __line) |
| { |
| __builtin_ia32_clzero ((void *)__line); |
| } |
| |
| #undef __DEFAULT_FN_ATTRS |
| |
| #endif /* __CLZEROINTRIN_H */ |
