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      1 /* Copyright (C) 2004, 2006, 2009 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 3, 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    Under Section 7 of GPL version 3, you are granted additional
     16    permissions described in the GCC Runtime Library Exception, version
     17    3.1, as published by the Free Software Foundation.
     18 
     19    You should have received a copy of the GNU General Public License and
     20    a copy of the GCC Runtime Library Exception along with this program;
     21    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     22    <http://www.gnu.org/licenses/>.  */
     23 
     24 #ifndef _MM_MALLOC_H_INCLUDED
     25 #define _MM_MALLOC_H_INCLUDED
     26 
     27 #include <stdlib.h>
     28 
     29 /* We can't depend on <stdlib.h> since the prototype of posix_memalign
     30    may not be visible.  */
     31 #ifndef __cplusplus
     32 extern int posix_memalign (void **, size_t, size_t);
     33 #else
     34 extern "C" int posix_memalign (void **, size_t, size_t) throw ();
     35 #endif
     36 
     37 static __inline void *
     38 _mm_malloc (size_t size, size_t alignment)
     39 {
     40   void *ptr;
     41   if (alignment == 1)
     42     return malloc (size);
     43   if (alignment == 2 || (sizeof (void *) == 8 && alignment == 4))
     44     alignment = sizeof (void *);
     45   if (posix_memalign (&ptr, alignment, size) == 0)
     46     return ptr;
     47   else
     48     return NULL;
     49 }
     50 
     51 static __inline void
     52 _mm_free (void * ptr)
     53 {
     54   free (ptr);
     55 }
     56 
     57 #endif /* _MM_MALLOC_H_INCLUDED */
     58