LCOM1920-T02G10

/*===---- mm_malloc.h - Allocating and Freeing Aligned Memory Blocks -------===

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

 * THE SOFTWARE.

 *

 *===-----------------------------------------------------------------------===

 */

#ifndef __MM_MALLOC_H

#define __MM_MALLOC_H

#include <stdlib.h>

#ifdef _WIN32

#include <malloc.h>

#else

#ifndef __cplusplus

extern int posix_memalign(void **__memptr, size_t __alignment, size_t __size);

#else

// Some systems (e.g. those with GNU libc) declare posix_memalign with an

// exception specifier. Via an "egregious workaround" in

// Sema::CheckEquivalentExceptionSpec, Clang accepts the following as a valid

// redeclaration of glibc's declaration.

extern "C" int posix_memalign(void **__memptr, size_t __alignment, size_t __size);

#endif

#endif

#if !(defined(_WIN32) && defined(_mm_malloc))

static __inline__ void *__attribute__((__always_inline__, __nodebug__,

                                       __malloc__))

_mm_malloc(size_t __size, size_t __align)

{

  if (__align == 1) {

    return malloc(__size);

  }

  if (!(__align & (__align - 1)) && __align < sizeof(void *))

    __align = sizeof(void *);

  void *__mallocedMemory;

#if defined(__MINGW32__)

  __mallocedMemory = __mingw_aligned_malloc(__size, __align);

#elif defined(_WIN32)

  __mallocedMemory = _aligned_malloc(__size, __align);

#else

  if (posix_memalign(&__mallocedMemory, __align, __size))

    return 0;

#endif

  return __mallocedMemory;

}

static __inline__ void __attribute__((__always_inline__, __nodebug__))

_mm_free(void *__p)

{

  free(__p);

}

#endif

#endif /* __MM_MALLOC_H */