Subversion Repositories openrisc_me

void

f (n, ppt, xrot)

{

  int tileWidth;

  int nlwSrc;

  int srcx;

  int v3, v4;

  register unsigned long ca1, cx1, ca2, cx2;

  unsigned long *pSrcLine;

  register unsigned long *pDst;

  register unsigned long *pSrc;

  register unsigned long b, tmp;

  unsigned long tileEndMask;

  int v1, v2;

  int tileEndPart;

  int needFirst;

  tileEndPart = 0;

  v1 = tileEndPart << 5;

  v2 = 32 - v1;

  while (n--)

    {

      if ((srcx = (ppt - xrot) % tileWidth) < 0)

        if (needFirst)

          if (nlwSrc == 1)

            {

              tmp = b;

              if (tileEndPart)

                b = (*pSrc & tileEndMask) | (*pSrcLine >> v1);

            }

      if (tileEndPart)

        b = (tmp << v1) | (b >> v2);

      if (v4 != 32)

        *pDst = (*pDst & ((tmp << v3) | (b >> v4) & ca1 ^ cx1)

                 ^ (((tmp << v3) | (b >> v4)) & ca2 ^ cx2));

      *pDst = *pDst & tmp;

    }

}