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1 | /*===---- mm_malloc.h - Implementation of _mm_malloc and _mm_free ----------=== |
---|---|
2 | * |
3 | * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | * See https://llvm.org/LICENSE.txt for license information. |
5 | * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | * |
7 | *===-----------------------------------------------------------------------=== |
8 | */ |
9 | |
10 | #ifndef _MM_MALLOC_H_INCLUDED |
11 | #define _MM_MALLOC_H_INCLUDED |
12 | |
13 | #if defined(__powerpc64__) && \ |
14 | (defined(__linux__) || defined(__FreeBSD__) || defined(_AIX)) |
15 | |
16 | #include <stdlib.h> |
17 | |
18 | /* We can't depend on <stdlib.h> since the prototype of posix_memalign |
19 | may not be visible. */ |
20 | #ifndef __cplusplus |
21 | extern int posix_memalign(void **, size_t, size_t); |
22 | #else |
23 | extern "C" int posix_memalign(void **, size_t, size_t); |
24 | #endif |
25 | |
26 | static __inline void *_mm_malloc(size_t __size, size_t __alignment) { |
27 | /* PowerPC64 ELF V2 ABI requires quadword alignment. */ |
28 | size_t __vec_align = sizeof(__vector float); |
29 | void *__ptr; |
30 | |
31 | if (__alignment < __vec_align) |
32 | __alignment = __vec_align; |
33 | if (posix_memalign(&__ptr, __alignment, __size) == 0) |
34 | return __ptr; |
35 | else |
36 | return NULL; |
37 | } |
38 | |
39 | static __inline void _mm_free(void *__ptr) { free(__ptr); } |
40 | |
41 | #else |
42 | #include_next <mm_malloc.h> |
43 | #endif |
44 | |
45 | #endif /* _MM_MALLOC_H_INCLUDED */ |
46 |
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