53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
/*===---- clwbintrin.h - CLWB intrinsic ------------------------------------===
|
|
*
|
|
* 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.
|
|
*
|
|
*===-----------------------------------------------------------------------===
|
|
*/
|
|
|
|
#ifndef __IMMINTRIN_H
|
|
#error "Never use <clwbintrin.h> directly; include <immintrin.h> instead."
|
|
#endif
|
|
|
|
#ifndef __CLWBINTRIN_H
|
|
#define __CLWBINTRIN_H
|
|
|
|
/* Define the default attributes for the functions in this file. */
|
|
#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("clwb")))
|
|
|
|
/// \brief Writes back to memory the cache line (if modified) that contains the
|
|
/// linear address specified in \a __p from any level of the cache hierarchy in
|
|
/// the cache coherence domain
|
|
///
|
|
/// \headerfile <immintrin.h>
|
|
///
|
|
/// This intrinsic corresponds to the <c> CLWB </c> instruction.
|
|
///
|
|
/// \param __p
|
|
/// A pointer to the memory location used to identify the cache line to be
|
|
/// written back.
|
|
static __inline__ void __DEFAULT_FN_ATTRS
|
|
_mm_clwb(void const *__p) {
|
|
__builtin_ia32_clwb(__p);
|
|
}
|
|
|
|
#undef __DEFAULT_FN_ATTRS
|
|
|
|
#endif
|