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