gcc/testsuite/gcc.dg/pr55150-1.c

   1 /* PR middle-end/55150 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Os -g" } */
   4
   5 typedef unsigned int KEY_TABLE_TYPE[(272 / 4)];
   6   typedef unsigned int u32;
   7   typedef unsigned char u8;
   8   static const u32 Camellia_SBOX[][256] = {
   9   };
  10    static const u32 SIGMA[] = {
  11     0xa09e667f, 0x3bcc908b, 0xb67ae858, 0x4caa73b2, 0xc6ef372f, 0xe94f82be,     0x54ff53a5, 0xf1d36f1c, 0x10e527fa, 0xde682d1d, 0xb05688c2, 0xb3e6c1fd };
  12    int Camellia_Ekeygen (int keyBitLength, const u8 * rawKey, KEY_TABLE_TYPE k) {
  13     register u32 s0, s1, s2, s3;
  14     k[0] = s0 = (        {
  15          u32 r = *(const u32 *) (rawKey);
  16   r;
  17  }
  18     );
  19     k[2] = s2 = (               {
  20          u32 r = *(const u32 *) (rawKey + 8);
  21   r;
  22  }
  23     );
  24     k[3] = s3 = (               {
  25          u32 r = *(const u32 *) (rawKey + 12);
  26   r;
  27  }
  28     );
  29     if (keyBitLength != 128)     {
  30         k[8] = s0 = (                {
  31                  u32 r = *(const u32 *) (rawKey + 16);
  32   r;
  33  }
  34         );
  35         if (keyBitLength == 192)        {
  36           k[10] = s2 = ~s0;
  37             k[11] = s3 = ~s1;
  38             }
  39       }
  40     s0 ^= k[0], s1 ^= k[1], s2 ^= k[2], s3 ^= k[3];
  41     if (keyBitLength == 128)     {
  42         k[4] = s0, k[5] = s1, k[6] = s2, k[7] = s3;
  43       }
  44     else     {
  45         k[12] = s0, k[13] = s1, k[14] = s2, k[15] = s3;
  46         s0 ^= k[8], s1 ^= k[9], s2 ^= k[10], s3 ^= k[11];
  47         do    {
  48           register u32 _t0, _t1, _t2, _t3;
  49             _t0 = s2 ^ ((SIGMA + 10))[0];
  50               _t3 ^= Camellia_SBOX[3][(_t0 >> 8) & 0xff];
  51                 s1 ^= _t3;
  52                 }
  53         while (0);
  54         do    {
  55           u32 _t0 = s0 >> (32 - 30);
  56             s2 = (s2 << 30) | (s3 >> (32 - 30));
  57               s3 = (s3 << 30) | _t0;
  58               }
  59         while (0);
  60         k[40] = s0, k[41] = s1, k[42] = s2, k[43] = s3;
  61         k[64] = s1, k[65] = s2, k[66] = s3, k[67] = s0;
  62         s0 = k[8], s1 = k[9], s2 = k[10], s3 = k[11];
  63         k[36] = s0, k[37] = s1, k[38] = s2, k[39] = s3;
  64         s0 = k[12], s1 = k[13], s2 = k[14], s3 = k[15];
  65         do   {
  66           s1 = (s1 << 15) | (s2 >> (32 - 15));
  67           }
  68         while (0);
  69         k[12] = s0, k[13] = s1, k[14] = s2, k[15] = s3;
  70         k[44] = s1, k[45] = s2, k[46] = s3, k[47] = s0;
  71       }
  72   }