swizzle.c

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/* <LIC_AMD_STD>
 * Copyright (C) 2003-2005 Advanced Micro Devices, Inc.  All Rights Reserved.
 * 
 * Unless otherwise designated in writing, this software and any related 
 * documentation are the confidential proprietary information of AMD. 
 * THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT ANY
 * UNLESS OTHERWISE NOTED IN WRITING, EXPRESS OR IMPLIED WARRANTY OF ANY 
 * KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, 
 * NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE AND IN NO 
 * EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER. 
 * 
 * AMD does not assume any responsibility for any errors which may appear 
 * in the Materials nor any responsibility to support or update the
 * Materials.  AMD retains the right to modify the Materials at any time, 
 * without notice, and is not obligated to provide such modified 
 * Materials to you. AMD is not obligated to furnish, support, or make
 * any further information available to you.
 * </LIC_AMD_STD>  */
/* <CTL_AMD_STD>
 * File Id and RCS Info:
 * $Source: /home/cvs/travis/env/swizzle.c,v $
 * $Id: swizzle.c,v 1.2 2003/12/05 16:10:04 eswartz Exp $
 *=======================================================================
 * Revision History:
 * $Log: swizzle.c,v $
 * Revision 1.2  2003/12/05 16:10:04  eswartz
 * Removed "#include altm.h"
 *
 * Revision 1.1.1.1  2003/06/23 16:05:51  benoy
 * initial
 *
 * Revision 1.4  2003-03-27 16:28:41-06  nathans
 * magic endian fixes.  endian sucks!
 *
 * Revision 1.3  2002-07-26 09:38:06-05  nathans
 * remove ICK!
 *
 * Revision 1.2  2002-07-26 09:32:42-05  nathans
 * #include "swizzle.h"
 *
 * Revision 1.1  2002-07-25 14:15:53-05  nathans
 * change VPI_Linux ugliness to endianness
 *
 * Revision 1.0  2002-07-25 13:43:59-05  nathans
 * Initial revision
 *
 * Revision 1.0  2002-04-30 09:44:25-05  nathans
 * Initial revision
 * </CTL_AMD_STD>  */
/* <DOC_AMD_STD>
 * </DOC_AMD_STD>  */

#include "swizzle.h"

void
uint64_swizzle(uint32 *ptr)
{
#if __BYTE_ORDER == __LITTLE_ENDIAN
  uint32 w0 = ptr[0];
  uint32 w1 = ptr[1];
  ptr[0] = w1;
  ptr[1] = w0;
#else
#endif
}

void
uint32_swizzle(char *ptr)
{
#if __BYTE_ORDER == __LITTLE_ENDIAN
  char b0 = ptr[0];
  char b1 = ptr[1];
  char b2 = ptr[2];
  char b3 = ptr[3];
  ptr[0] = b3;
  ptr[1] = b2;
  ptr[2] = b1;
  ptr[3] = b0;
#else
#endif
}

void
uint16_swizzle(char *ptr)
{
#if __BYTE_ORDER == __LITTLE_ENDIAN
  char b0 = ptr[0];
  char b1 = ptr[1];
  ptr[0] = b1;
  ptr[1] = b0;
#else
#endif
}

void
uint8_swizzle(char *ptr)
{
#if __BYTE_ORDER == __LITTLE_ENDIAN
#else
#endif
}