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/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-vrp1" } */

extern const unsigned char mode_size[];

unsigned int

subreg_highpart_offset (outermode, innermode)

     int outermode, innermode;

{

  unsigned int offset = 0;

  int difference = (mode_size[innermode] - mode_size[outermode]);

  if (difference > 0)

    {

        offset += difference % (0 ? 8 : 4);

        offset += difference / 4 * 4;

    }

  return offset;

}

/* There should be one mask with the value 3.  */

/* { dg-final { scan-tree-dump-times " \& 3" 1 "vrp1"} } */

/* There should be one right shift by 2 places.  */

/* { dg-final { scan-tree-dump-times " >> 2" 1 "vrp1"} } */

/* { dg-final { cleanup-tree-dump "vrp1" } } */