| /*===----------------------- clzerointrin.h - CLZERO ----------------------=== |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| * |
| *===-----------------------------------------------------------------------=== |
| */ |
| #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 */ |