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(__ppc64__) &&                                                      \
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