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14 | pmbaty | 1 | /*===---- mm_malloc.h - Implementation of _mm_malloc and _mm_free ----------=== |
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 _MM_MALLOC_H_INCLUDED |
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11 | #define _MM_MALLOC_H_INCLUDED |
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12 | |||
13 | #if defined(__powerpc64__) && \ |
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14 | (defined(__linux__) || defined(__FreeBSD__) || defined(_AIX)) |
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15 | |||
16 | #include <stdlib.h> |
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17 | |||
18 | /* We can't depend on <stdlib.h> since the prototype of posix_memalign |
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19 | may not be visible. */ |
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20 | #ifndef __cplusplus |
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21 | extern int posix_memalign(void **, size_t, size_t); |
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22 | #else |
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23 | extern "C" int posix_memalign(void **, size_t, size_t); |
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24 | #endif |
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25 | |||
26 | static __inline void *_mm_malloc(size_t __size, size_t __alignment) { |
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27 | /* PowerPC64 ELF V2 ABI requires quadword alignment. */ |
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28 | size_t __vec_align = sizeof(__vector float); |
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29 | void *__ptr; |
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30 | |||
31 | if (__alignment < __vec_align) |
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32 | __alignment = __vec_align; |
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33 | if (posix_memalign(&__ptr, __alignment, __size) == 0) |
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34 | return __ptr; |
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35 | else |
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36 | return NULL; |
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37 | } |
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38 | |||
39 | static __inline void _mm_free(void *__ptr) { free(__ptr); } |
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40 | |||
41 | #else |
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42 | #include_next <mm_malloc.h> |
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43 | #endif |
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44 | |||
45 | #endif /* _MM_MALLOC_H_INCLUDED */ |