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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.