1  /* { dg-additional-options "-fPIC" { target fpic } }  */
       2  
       3  typedef unsigned long word32;
       4  typedef unsigned char byte;
       5  typedef struct cast256_instance { word32 l_key[96];} cast256_key;
       6  word32 cast256_sbox[4][256] = {};
       7  void
       8  key (cast256_key *key, const word32 *in_key, const int key_len)
       9  {
      10    word32 i, j, t, u, cm, cr, lk[8], tm[8], tr[8];
      11    for (i = 0; i < 96; i += 8)
      12      {
      13        for (j = 0; j < 8; ++j)
      14  	{
      15  	  tm[j] = cm;
      16  	  cm += 0x6ed9eba1;
      17  	  tr[j] = cr;
      18  	  cr += 17;
      19  	}
      20        t = (((tm[0] + lk[7]) << ((word32)(tr[0] & 31)))
      21  	   | ((tm[0] + lk[7]) >> (32 - (word32)(tr[0] & 31))));
      22        u = cast256_sbox[0][((byte)((t) >> (8 * 3)))];
      23        u ^= cast256_sbox[1][((byte)((t) >> (8 * 2)))];
      24        lk[7] ^= u;
      25        for (j = 0; j < 8; ++j)
      26  	{
      27  	  cm += 0x6ed9eba1;
      28  	  tr[j] = cr;
      29  	  cr += 17;
      30  	}
      31        t = (((tm[0] + lk[7]) << ((word32)(tr[0] & 31)))
      32  	   | ((tm[0] + lk[7]) >> (32 - (word32)(tr[0] & 31))));
      33        u = cast256_sbox[0][((byte)((t) >> (8 * 3)))];
      34        u ^= cast256_sbox[1][((byte)((t) >> (8 * 2)))];
      35        u -= cast256_sbox[2][((byte)((t) >> (8 * 1)))];
      36        lk[2] ^= u;
      37        lk[7] ^= u;
      38        key->l_key[i + 1] = lk[2];
      39      }
      40  }