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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | /*===---- clwbintrin.h - CLWB intrinsic ------------------------------------=== |
| 2 | * |
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| 3 | * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | * See https://llvm.org/LICENSE.txt for license information. |
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| 5 | * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | * |
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| 7 | *===-----------------------------------------------------------------------=== |
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| 8 | */ |
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| 9 | |||
| 10 | #ifndef __IMMINTRIN_H |
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| 11 | #error "Never use <clwbintrin.h> directly; include <immintrin.h> instead." |
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| 12 | #endif |
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| 13 | |||
| 14 | #ifndef __CLWBINTRIN_H |
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| 15 | #define __CLWBINTRIN_H |
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| 16 | |||
| 17 | /* Define the default attributes for the functions in this file. */ |
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| 18 | #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("clwb"))) |
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| 19 | |||
| 20 | /// Writes back to memory the cache line (if modified) that contains the |
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| 21 | /// linear address specified in \a __p from any level of the cache hierarchy in |
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| 22 | /// the cache coherence domain |
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| 23 | /// |
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| 24 | /// \headerfile <immintrin.h> |
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| 25 | /// |
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| 26 | /// This intrinsic corresponds to the <c> CLWB </c> instruction. |
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| 27 | /// |
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| 28 | /// \param __p |
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| 29 | /// A pointer to the memory location used to identify the cache line to be |
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| 30 | /// written back. |
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| 31 | static __inline__ void __DEFAULT_FN_ATTRS |
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| 32 | _mm_clwb(void const *__p) { |
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| 33 | __builtin_ia32_clwb(__p); |
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| 34 | } |
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| 35 | |||
| 36 | #undef __DEFAULT_FN_ATTRS |
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| 37 | |||
| 38 | #endif |