clang 8.0.0

clwbintrin.h
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1 /*===---- clwbintrin.h - CLWB intrinsic ------------------------------------===
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 * copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19 * THE SOFTWARE.
20 *
21 *===-----------------------------------------------------------------------===
22 */
23
24 #ifndef __IMMINTRIN_H
25 #error "Never use <clwbintrin.h> directly; include <immintrin.h> instead."
26 #endif
27
28 #ifndef __CLWBINTRIN_H
29 #define __CLWBINTRIN_H
30
31 /* Define the default attributes for the functions in this file. */
32 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("clwb")))
33
34 /// Writes back to memory the cache line (if modified) that contains the
35 /// linear address specified in \a __p from any level of the cache hierarchy in
36 /// the cache coherence domain
37 ///
38 /// \headerfile <immintrin.h>
39 ///
40 /// This intrinsic corresponds to the <c> CLWB </c> instruction.
41 ///
42 /// \param __p
43 /// A pointer to the memory location used to identify the cache line to be
44 /// written back.
45 static __inline__ void __DEFAULT_FN_ATTRS
46 _mm_clwb(void const *__p) {
47 __builtin_ia32_clwb(__p);
48 }
49
50 #undef __DEFAULT_FN_ATTRS
51
52 #endif
__p
static __inline unsigned char unsigned int unsigned int unsigned int * __p
Definition: adxintrin.h:38
_mm_clwb
static __inline__ void __DEFAULT_FN_ATTRS _mm_clwb(void const *__p)
Writes back to memory the cache line (if modified) that contains the linear address specified in __p ...
Definition: clwbintrin.h:46
__DEFAULT_FN_ATTRS
#define __DEFAULT_FN_ATTRS
Definition: clwbintrin.h:32