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      1 /* Copyright (C) 2004, 2006 Free Software Foundation, Inc.
      2 
      3    This file is part of GCC.
      4 
      5    GCC is free software; you can redistribute it and/or modify
      6    it under the terms of the GNU General Public License as published by
      7    the Free Software Foundation; either version 2, or (at your option)
      8    any later version.
      9 
     10    GCC is distributed in the hope that it will be useful,
     11    but WITHOUT ANY WARRANTY; without even the implied warranty of
     12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13    GNU General Public License for more details.
     14 
     15    You should have received a copy of the GNU General Public License
     16    along with GCC; see the file COPYING.  If not, write to
     17    the Free Software Foundation, 51 Franklin Street, Fifth Floor,
     18    Boston, MA 02110-1301, USA.  */
     19 
     20 /* As a special exception, if you include this header file into source
     21    files compiled by GCC, this header file does not by itself cause
     22    the resulting executable to be covered by the GNU General Public
     23    License.  This exception does not however invalidate any other
     24    reasons why the executable file might be covered by the GNU General
     25    Public License.  */
     26 
     27 #ifndef _MM_MALLOC_H_INCLUDED
     28 #define _MM_MALLOC_H_INCLUDED
     29 
     30 #include <stdlib.h>
     31 
     32 /* We can't depend on <stdlib.h> since the prototype of posix_memalign
     33    may not be visible.  */
     34 #ifndef __cplusplus
     35 extern int posix_memalign (void **, size_t, size_t);
     36 #else
     37 extern "C" int posix_memalign (void **, size_t, size_t) throw ();
     38 #endif
     39 
     40 static __inline void *
     41 _mm_malloc (size_t size, size_t alignment)
     42 {
     43   void *ptr;
     44   if (alignment == 1)
     45     return malloc (size);
     46   if (alignment == 2 || (sizeof (void *) == 8 && alignment == 4))
     47     alignment = sizeof (void *);
     48   if (posix_memalign (&ptr, alignment, size) == 0)
     49     return ptr;
     50   else
     51     return NULL;
     52 }
     53 
     54 static __inline void
     55 _mm_free (void * ptr)
     56 {
     57   free (ptr);
     58 }
     59 
     60 #endif /* _MM_MALLOC_H_INCLUDED */
     61