| /*===----------------------- 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 |
| * |
| *===-----------------------------------------------------------------------=== |
| */ |
| #if !defined __X86INTRIN_H && !defined __IMMINTRIN_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"))) |
| |
| /// Loads the cache line address and zero's out the cacheline |
| /// |
| /// \headerfile <clzerointrin.h> |
| /// |
| /// This intrinsic corresponds to the <c> CLZERO </c> instruction. |
| /// |
| /// \param __line |
| /// A pointer to a cacheline which needs to be zeroed out. |
| static __inline__ void __DEFAULT_FN_ATTRS |
| _mm_clzero (void * __line) |
| { |
| __builtin_ia32_clzero ((void *)__line); |
| } |
| |
| #undef __DEFAULT_FN_ATTRS |
| |
| #endif /* __CLZEROINTRIN_H */ |
